Panić, Marko

Link to this page

Authority KeyName Variants
orcid::0000-0002-9239-6799
  • Panić, Marko (8)
Projects

Author's Bibliography

Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions

Panić, Marko; Prijić, Ivana; Simić, Mihajlo; Ćuruvija, Ivana; Lukić, Ivana; Drgačević, Luka; Kojić, Milan

(Serbian Society for Microbiology, 2024)

TY  - CONF
AU  - Panić, Marko
AU  - Prijić, Ivana
AU  - Simić, Mihajlo
AU  - Ćuruvija, Ivana
AU  - Lukić, Ivana
AU  - Drgačević, Luka
AU  - Kojić, Milan
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/880
AB  - Diphtheria and tetanus, once formidable causes of morbidity and mortality worldwide, have seen their threats markedly diminished through the advent and widespread use of vaccines. This review article delves into the historical journey of diphtheria and tetanus vaccines, evaluates their current status in global immunization programs, and explores future perspectives in their evolution and implementation. The inception of diphtheria and tetanus vaccines marked a pivotal shift in infectious disease control. The development of diphtheria toxoid by Emil von Behring in the late 19th century and the subsequent creation of tetanus toxoid in the early 20th century set the stage for large-scale immunization efforts. These efforts were bolstered in the mid-20th century with the integration of these toxoids into combination vaccines, notably the DTP (diphtheria-tetanus-pertussis) vaccine, facilitating broader immunization coverage and enhanced public health outcomes. Currently, the inclusion of diphtheria and tetanus vaccines in national immunization schedules has led to a significant decline in the incidence of these diseases globally. However, challenges remain, including disparities in vaccine coverage and the emergence of non-toxigenic strains causing diphtheria. The review highlights the WHO’s strategies towards achieving higher immunization coverage and the importance of maintaining high vaccination rates to prevent resurgence. Looking forward, the review discusses the ongoing research and development aimed at improving vaccine formulations, reducing adverse reactions, and enhancing the efficacy and durability of protection. Innovations such as nanoparticle vaccines and DNA vaccines are explored as potential avenues for future advancements. Additionally, the review addresses the critical role of global health governance in addressing vaccine hesitancy, improving access in low-resource settings, and coordinating responses to outbreaks. In conclusion, while the battle against diphtheria and tetanus has seen significant victories, continuous efforts in vaccine innovation, policy implementation, and global cooperation are essential to sustain these gains and achieve the ultimate goal of global eradication.
PB  - Serbian Society for Microbiology
C3  - XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
T1  - Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions
EP  - 169
SP  - 169
UR  - https://hdl.handle.net/21.15107/rcub_intor_880
ER  - 
@conference{
author = "Panić, Marko and Prijić, Ivana and Simić, Mihajlo and Ćuruvija, Ivana and Lukić, Ivana and Drgačević, Luka and Kojić, Milan",
year = "2024",
abstract = "Diphtheria and tetanus, once formidable causes of morbidity and mortality worldwide, have seen their threats markedly diminished through the advent and widespread use of vaccines. This review article delves into the historical journey of diphtheria and tetanus vaccines, evaluates their current status in global immunization programs, and explores future perspectives in their evolution and implementation. The inception of diphtheria and tetanus vaccines marked a pivotal shift in infectious disease control. The development of diphtheria toxoid by Emil von Behring in the late 19th century and the subsequent creation of tetanus toxoid in the early 20th century set the stage for large-scale immunization efforts. These efforts were bolstered in the mid-20th century with the integration of these toxoids into combination vaccines, notably the DTP (diphtheria-tetanus-pertussis) vaccine, facilitating broader immunization coverage and enhanced public health outcomes. Currently, the inclusion of diphtheria and tetanus vaccines in national immunization schedules has led to a significant decline in the incidence of these diseases globally. However, challenges remain, including disparities in vaccine coverage and the emergence of non-toxigenic strains causing diphtheria. The review highlights the WHO’s strategies towards achieving higher immunization coverage and the importance of maintaining high vaccination rates to prevent resurgence. Looking forward, the review discusses the ongoing research and development aimed at improving vaccine formulations, reducing adverse reactions, and enhancing the efficacy and durability of protection. Innovations such as nanoparticle vaccines and DNA vaccines are explored as potential avenues for future advancements. Additionally, the review addresses the critical role of global health governance in addressing vaccine hesitancy, improving access in low-resource settings, and coordinating responses to outbreaks. In conclusion, while the battle against diphtheria and tetanus has seen significant victories, continuous efforts in vaccine innovation, policy implementation, and global cooperation are essential to sustain these gains and achieve the ultimate goal of global eradication.",
publisher = "Serbian Society for Microbiology",
journal = "XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april",
title = "Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions",
pages = "169-169",
url = "https://hdl.handle.net/21.15107/rcub_intor_880"
}
Panić, M., Prijić, I., Simić, M., Ćuruvija, I., Lukić, I., Drgačević, L.,& Kojić, M.. (2024). Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
Serbian Society for Microbiology., 169-169.
https://hdl.handle.net/21.15107/rcub_intor_880
Panić M, Prijić I, Simić M, Ćuruvija I, Lukić I, Drgačević L, Kojić M. Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april. 2024;:169-169.
https://hdl.handle.net/21.15107/rcub_intor_880 .
Panić, Marko, Prijić, Ivana, Simić, Mihajlo, Ćuruvija, Ivana, Lukić, Ivana, Drgačević, Luka, Kojić, Milan, "Diphtheria and tetanus vaccines: a historical overview, present achievements, and future directions" in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april (2024):169-169,
https://hdl.handle.net/21.15107/rcub_intor_880 .

mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design

Lukić, Ivana; Dragačević, Luka; Panić, Marko; Stamenković, Marina; Kojić, Milan

(Serbian Society for Microbiology, 2024)

TY  - CONF
AU  - Lukić, Ivana
AU  - Dragačević, Luka
AU  - Panić, Marko
AU  - Stamenković, Marina
AU  - Kojić, Milan
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/878
AB  - In the post-COVID-19 era, there has been a significant increase in the development of mRNA vaccines not only against various diseases besides SARS-CoV-2, but also to treat cancer and genetic disorders. These vaccines, revolutionizing vaccinology, offer rapid pandemic response, high efficacy, minimal side effects, and cost-effectiveness. Achieving these benefits hinges on seamlessly integrating mRNA production steps, from plasmid DNA cloning to lipid nanoparticle formulation. This overview aims to comprehend or circumvent pitfalls in plasmid DNA cloning, a critical initial step in mRNA vaccine production. The focus is on achieving accurate insert sequence and gene expression, and it highlights the critical role of plasmid DNA design in ensuring vaccine effectiveness. Our research project entitled “Role of macroautophagy in lipid nanoparticle mRNA delivery and adjuvanticity” recognized the significance of this aspect. During our research, we designed a plasmid DNA cloning vector to incorporate the GFP-SARS-CoV-2 Spike gene. The vector was carefully constructed with several key features, including a high-copy plasmid, pUC18/pUC19 vector backbone with a robust T7 promoter, origin of replication, multiple cloning sites, polyadenylation signal, and ampicillin resistance for bacterial selection. Despite careful design, challenges like poly-A tail deletion may arise, prompting the exploration of stable large-size and low-copy vectors, as well as linear and bacteriophage vectors. But, for largescale production and regulatory compliance, vector systems must be scalable and well-documented. Commercial vectors and automated synthesis facilitate gene construction, with artificial intelligence ensuring sequence accuracy. Precision is crucial for complex antigens, as seen in tuberculosis mRNA vaccine development. Addressing these challenges demands a combining of molecular biology techniques, computational tools, and collaboration with experts in microbiology, molecular biology, and vaccine development. The design’s scalability and documentation are vital for large-scale production and regulatory compliance, emphasizing the multifaceted approach required for successful mRNA vaccine development.
PB  - Serbian Society for Microbiology
C3  - XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
T1  - mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design
EP  - 157
SP  - 157
UR  - https://hdl.handle.net/21.15107/rcub_intor_878
ER  - 
@conference{
author = "Lukić, Ivana and Dragačević, Luka and Panić, Marko and Stamenković, Marina and Kojić, Milan",
year = "2024",
abstract = "In the post-COVID-19 era, there has been a significant increase in the development of mRNA vaccines not only against various diseases besides SARS-CoV-2, but also to treat cancer and genetic disorders. These vaccines, revolutionizing vaccinology, offer rapid pandemic response, high efficacy, minimal side effects, and cost-effectiveness. Achieving these benefits hinges on seamlessly integrating mRNA production steps, from plasmid DNA cloning to lipid nanoparticle formulation. This overview aims to comprehend or circumvent pitfalls in plasmid DNA cloning, a critical initial step in mRNA vaccine production. The focus is on achieving accurate insert sequence and gene expression, and it highlights the critical role of plasmid DNA design in ensuring vaccine effectiveness. Our research project entitled “Role of macroautophagy in lipid nanoparticle mRNA delivery and adjuvanticity” recognized the significance of this aspect. During our research, we designed a plasmid DNA cloning vector to incorporate the GFP-SARS-CoV-2 Spike gene. The vector was carefully constructed with several key features, including a high-copy plasmid, pUC18/pUC19 vector backbone with a robust T7 promoter, origin of replication, multiple cloning sites, polyadenylation signal, and ampicillin resistance for bacterial selection. Despite careful design, challenges like poly-A tail deletion may arise, prompting the exploration of stable large-size and low-copy vectors, as well as linear and bacteriophage vectors. But, for largescale production and regulatory compliance, vector systems must be scalable and well-documented. Commercial vectors and automated synthesis facilitate gene construction, with artificial intelligence ensuring sequence accuracy. Precision is crucial for complex antigens, as seen in tuberculosis mRNA vaccine development. Addressing these challenges demands a combining of molecular biology techniques, computational tools, and collaboration with experts in microbiology, molecular biology, and vaccine development. The design’s scalability and documentation are vital for large-scale production and regulatory compliance, emphasizing the multifaceted approach required for successful mRNA vaccine development.",
publisher = "Serbian Society for Microbiology",
journal = "XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april",
title = "mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design",
pages = "157-157",
url = "https://hdl.handle.net/21.15107/rcub_intor_878"
}
Lukić, I., Dragačević, L., Panić, M., Stamenković, M.,& Kojić, M.. (2024). mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
Serbian Society for Microbiology., 157-157.
https://hdl.handle.net/21.15107/rcub_intor_878
Lukić I, Dragačević L, Panić M, Stamenković M, Kojić M. mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april. 2024;:157-157.
https://hdl.handle.net/21.15107/rcub_intor_878 .
Lukić, Ivana, Dragačević, Luka, Panić, Marko, Stamenković, Marina, Kojić, Milan, "mRNA vaccine manufacturing – challenges in plasmid DNA cloning vector design" in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april (2024):157-157,
https://hdl.handle.net/21.15107/rcub_intor_878 .

Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development

Panić, Marko; Prijić, Ivana; Simić, Mihajlo; Lukić, Ivana; Petrušić, Marija; Živković, Irena; Kojić, Milan

(Serbian Society for Microbiology, 2024)

TY  - CONF
AU  - Panić, Marko
AU  - Prijić, Ivana
AU  - Simić, Mihajlo
AU  - Lukić, Ivana
AU  - Petrušić, Marija
AU  - Živković, Irena
AU  - Kojić, Milan
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/876
AB  - Tetanus toxin, a highly potent neurotoxin produced by Clostridium tetani, is the primary agent responsible for causing tetanus. This serious, potentially fatal disease can be effectively prevented through vaccination. Thanks to successful vaccination campaigns, tetanus has become exceedingly rare in both developed and most developing countries. However, the widespread presence of C. tetani spores in the environment means that tetanus cannot be completely eradicated, underscoring the ongoing need for vaccination. Traditionally, tetanus vaccines are produced by cultivating C. tetani, extracting a crude form of the tetanus toxin, and then chemically inactivating it for use in immunization. This method has proven clinically effective and is in widespread use. A challenge with this approach, however, is that the vaccine contains hundreds of various C. tetani proteins, with the active component making up only a variable and small fraction of the overall vaccine mass. To improve the current tetanus vaccine, there is potential in the recombinant production of a genetically inactivated tetanus vaccine. Prior studies have demonstrated the feasibility of engineering the full-length tetanus toxin in E. coli, and our current work builds on this foundation. We have successfully cloned the complete tetanus toxin open reading frame into the pMAL expression vector. This step was followed by the creation of a genetically inactivated protein, achieved through standard site-directed mutagenesis which altered 8 critical amino acid residues. These mutations have been confirmed via sequencing, ensuring that the toxin is genetically inactivated and thus does not require chemical inactivation for vaccine production. Our present focus is on optimizing the expression of this protein in E. coli. Following this, we intend to conduct thorough assessments of the biochemical and immunological properties of the recombinant tetanus toxin. This research represents a promising avenue towards enhancing the efficacy and specificity of tetanus vaccines, potentially improving global health outcomes.
PB  - Serbian Society for Microbiology
C3  - XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
T1  - Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development
EP  - 113
SP  - 113
UR  - https://hdl.handle.net/21.15107/rcub_intor_876
ER  - 
@conference{
author = "Panić, Marko and Prijić, Ivana and Simić, Mihajlo and Lukić, Ivana and Petrušić, Marija and Živković, Irena and Kojić, Milan",
year = "2024",
abstract = "Tetanus toxin, a highly potent neurotoxin produced by Clostridium tetani, is the primary agent responsible for causing tetanus. This serious, potentially fatal disease can be effectively prevented through vaccination. Thanks to successful vaccination campaigns, tetanus has become exceedingly rare in both developed and most developing countries. However, the widespread presence of C. tetani spores in the environment means that tetanus cannot be completely eradicated, underscoring the ongoing need for vaccination. Traditionally, tetanus vaccines are produced by cultivating C. tetani, extracting a crude form of the tetanus toxin, and then chemically inactivating it for use in immunization. This method has proven clinically effective and is in widespread use. A challenge with this approach, however, is that the vaccine contains hundreds of various C. tetani proteins, with the active component making up only a variable and small fraction of the overall vaccine mass. To improve the current tetanus vaccine, there is potential in the recombinant production of a genetically inactivated tetanus vaccine. Prior studies have demonstrated the feasibility of engineering the full-length tetanus toxin in E. coli, and our current work builds on this foundation. We have successfully cloned the complete tetanus toxin open reading frame into the pMAL expression vector. This step was followed by the creation of a genetically inactivated protein, achieved through standard site-directed mutagenesis which altered 8 critical amino acid residues. These mutations have been confirmed via sequencing, ensuring that the toxin is genetically inactivated and thus does not require chemical inactivation for vaccine production. Our present focus is on optimizing the expression of this protein in E. coli. Following this, we intend to conduct thorough assessments of the biochemical and immunological properties of the recombinant tetanus toxin. This research represents a promising avenue towards enhancing the efficacy and specificity of tetanus vaccines, potentially improving global health outcomes.",
publisher = "Serbian Society for Microbiology",
journal = "XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april",
title = "Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development",
pages = "113-113",
url = "https://hdl.handle.net/21.15107/rcub_intor_876"
}
Panić, M., Prijić, I., Simić, M., Lukić, I., Petrušić, M., Živković, I.,& Kojić, M.. (2024). Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
Serbian Society for Microbiology., 113-113.
https://hdl.handle.net/21.15107/rcub_intor_876
Panić M, Prijić I, Simić M, Lukić I, Petrušić M, Živković I, Kojić M. Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april. 2024;:113-113.
https://hdl.handle.net/21.15107/rcub_intor_876 .
Panić, Marko, Prijić, Ivana, Simić, Mihajlo, Lukić, Ivana, Petrušić, Marija, Živković, Irena, Kojić, Milan, "Exploring E. coli-based expression of genetically inactivated tetanus toxin for vaccine development" in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april (2024):113-113,
https://hdl.handle.net/21.15107/rcub_intor_876 .

Inactivation of diphtheria toxin by site-directed mutagenesis

Prijić, Ivana; Panić, Marko; Simić, Mihajlo; Blagojević, Veljko; Ćuruvija, Ivana; Lukić, Ivana; Dragačević, Luka; Kojić, Milan

(Serbian Society for Microbiology, 2024)

TY  - CONF
AU  - Prijić, Ivana
AU  - Panić, Marko
AU  - Simić, Mihajlo
AU  - Blagojević, Veljko
AU  - Ćuruvija, Ivana
AU  - Lukić, Ivana
AU  - Dragačević, Luka
AU  - Kojić, Milan
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/877
AB  - Diphtheria toxin is a single polypeptide chain produced by toxigenic strains of Corynebacterium diphtheriae that causes the disease diphtheria in humans by gaining entry into the cytoplasm of cells and inhibiting protein synthesis. Formaldehyde (chemical) detoxification converts diphtheria toxin into toxoid, which is used in diphtheria vaccine production. Recombinant, genetically detoxified diphtheria toxin is superior in terms of safety and purity, but it has still not found its application in recombinant diphtheria vaccine production. Both chemically and genetically inactivated forms of the diphtheria toxin have proven effective as protein carriers in conjugate vaccines. The goal of this study was to create a plasmid construct which can be used to express a genetically inactivated diphtheria toxin. Gene coding for diphtheria toxin was cloned into pMALHisEk expression vector and introduced into DH5α competent Escherichia coli cells. Three site-directed point mutations, which led to three amino acid substitutions (G52E-substitutes glycine with glutamic acid, G79D- substitutes glycine with aspartic acid, E148D- substitutes glutamic acid with aspartic acid) were conducted. A single G52E amino acid substitution is responsible for the loss of the enzymatic activity of the diphtheria toxin. G79D is recognized as a good candidate site for combining with other mutations in vaccine development and E148D may be a good candidate as carrier protein because it could reduce both the stability of NAD binding and catalytic activity of the enzyme. Each individual mutation is sufficient for toxin inactivation, but together they ensure non-toxicity, preventing reversion to the wild-type sequence. All mutations were confirmed by DNA sequencing. Recombinant diphtheria toxoid could serve as a potential vaccine epitope or protein carrier for conjugate vaccines. Further optimization of recombinant protein expression in Escherichia coli should provide sufficient quantities of soluble recombinant protein for further testing of its safety, immunogenicity and protection.
PB  - Serbian Society for Microbiology
C3  - XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
T1  - Inactivation of diphtheria toxin by site-directed mutagenesis
EP  - 115
SP  - 115
UR  - https://hdl.handle.net/21.15107/rcub_intor_877
ER  - 
@conference{
author = "Prijić, Ivana and Panić, Marko and Simić, Mihajlo and Blagojević, Veljko and Ćuruvija, Ivana and Lukić, Ivana and Dragačević, Luka and Kojić, Milan",
year = "2024",
abstract = "Diphtheria toxin is a single polypeptide chain produced by toxigenic strains of Corynebacterium diphtheriae that causes the disease diphtheria in humans by gaining entry into the cytoplasm of cells and inhibiting protein synthesis. Formaldehyde (chemical) detoxification converts diphtheria toxin into toxoid, which is used in diphtheria vaccine production. Recombinant, genetically detoxified diphtheria toxin is superior in terms of safety and purity, but it has still not found its application in recombinant diphtheria vaccine production. Both chemically and genetically inactivated forms of the diphtheria toxin have proven effective as protein carriers in conjugate vaccines. The goal of this study was to create a plasmid construct which can be used to express a genetically inactivated diphtheria toxin. Gene coding for diphtheria toxin was cloned into pMALHisEk expression vector and introduced into DH5α competent Escherichia coli cells. Three site-directed point mutations, which led to three amino acid substitutions (G52E-substitutes glycine with glutamic acid, G79D- substitutes glycine with aspartic acid, E148D- substitutes glutamic acid with aspartic acid) were conducted. A single G52E amino acid substitution is responsible for the loss of the enzymatic activity of the diphtheria toxin. G79D is recognized as a good candidate site for combining with other mutations in vaccine development and E148D may be a good candidate as carrier protein because it could reduce both the stability of NAD binding and catalytic activity of the enzyme. Each individual mutation is sufficient for toxin inactivation, but together they ensure non-toxicity, preventing reversion to the wild-type sequence. All mutations were confirmed by DNA sequencing. Recombinant diphtheria toxoid could serve as a potential vaccine epitope or protein carrier for conjugate vaccines. Further optimization of recombinant protein expression in Escherichia coli should provide sufficient quantities of soluble recombinant protein for further testing of its safety, immunogenicity and protection.",
publisher = "Serbian Society for Microbiology",
journal = "XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april",
title = "Inactivation of diphtheria toxin by site-directed mutagenesis",
pages = "115-115",
url = "https://hdl.handle.net/21.15107/rcub_intor_877"
}
Prijić, I., Panić, M., Simić, M., Blagojević, V., Ćuruvija, I., Lukić, I., Dragačević, L.,& Kojić, M.. (2024). Inactivation of diphtheria toxin by site-directed mutagenesis. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
Serbian Society for Microbiology., 115-115.
https://hdl.handle.net/21.15107/rcub_intor_877
Prijić I, Panić M, Simić M, Blagojević V, Ćuruvija I, Lukić I, Dragačević L, Kojić M. Inactivation of diphtheria toxin by site-directed mutagenesis. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april. 2024;:115-115.
https://hdl.handle.net/21.15107/rcub_intor_877 .
Prijić, Ivana, Panić, Marko, Simić, Mihajlo, Blagojević, Veljko, Ćuruvija, Ivana, Lukić, Ivana, Dragačević, Luka, Kojić, Milan, "Inactivation of diphtheria toxin by site-directed mutagenesis" in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april (2024):115-115,
https://hdl.handle.net/21.15107/rcub_intor_877 .

The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration

Lukić, Ivana; Popović, Mina; Miljković, Radmila; Tsibulskaya, Darya; Panić, Marko; Dragačević, Luka; Stojanović, Marijana

(Serbian Society for Microbiology, 2024)

TY  - CONF
AU  - Lukić, Ivana
AU  - Popović, Mina
AU  - Miljković, Radmila
AU  - Tsibulskaya, Darya
AU  - Panić, Marko
AU  - Dragačević, Luka
AU  - Stojanović, Marijana
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/874
AB  - Limosilactobacillus reuteri demonstrates a significant
role in treating gastrointestinal diseases
through the synthesis of various health-promoting
factors. These include mucus-binding proteins,
reactive oxygen species-scavenging enzymes, antimicrobial
agents (reuterin is capable of inhibiting
the growth of a wide spectrum of microorganisms),
vitamins (folate and vitamin B12), and unique
exopolysaccharides. Different strains of L. reuteri
exhibit strain-specific anti-inflammatory effects,
influencing the expression of immune-related
factors such as IL-10 and TNF-α (PMID: 20798357;
PMID: 22207578). Furthermore, the mitigating
impact of L. reuteri strains on inflammation is confirmed
in vivo and in vitro with the implication of
an interaction between probiotics and immune
cells in the intestinal mucosa (PMID: 22207578).
Our study aimed to investigate the potential anti-
inflammatory effects of daily treatment with autochthonous
probiotic strain L. reuteri B2 (PMID:
33932415) could have an anti-inflammatory effect
on local immune response. In a 14-day experiment
with Intor Swiss: Albino mice (n=10), those treated
with L. reuteri B2 (5x106 CFU/mL, 100 μl) showed a
favorable impact on the gut’s inflammatory environment.
Histological analyses of colon samples
and intraperitoneal macrophages revealed lower
myeloperoxidase (MPO) activity, reduced production
of superoxide ions, IFNγ, IL-6, and TNFα, along
with an enhanced production of IL-10 in L. reuteri
B2 treated mice compared to untreated ones. Notably,
histopathological preparations did not show
significant differences between the groups. The
study suggests that L. reuteri B2 may be valuable
for further evaluation in managing, preventing,
and treating inflammatory bowel diseases. The
presented findings contribute to understanding
the specific anti-inflammatory effects of this strain
on the local immune response, supporting its potential
as a therapeutic agent.
PB  - Serbian Society for Microbiology
C3  - XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
T1  - The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration
EP  - 38
SP  - 38
UR  - https://hdl.handle.net/21.15107/rcub_intor_874
ER  - 
@conference{
author = "Lukić, Ivana and Popović, Mina and Miljković, Radmila and Tsibulskaya, Darya and Panić, Marko and Dragačević, Luka and Stojanović, Marijana",
year = "2024",
abstract = "Limosilactobacillus reuteri demonstrates a significant
role in treating gastrointestinal diseases
through the synthesis of various health-promoting
factors. These include mucus-binding proteins,
reactive oxygen species-scavenging enzymes, antimicrobial
agents (reuterin is capable of inhibiting
the growth of a wide spectrum of microorganisms),
vitamins (folate and vitamin B12), and unique
exopolysaccharides. Different strains of L. reuteri
exhibit strain-specific anti-inflammatory effects,
influencing the expression of immune-related
factors such as IL-10 and TNF-α (PMID: 20798357;
PMID: 22207578). Furthermore, the mitigating
impact of L. reuteri strains on inflammation is confirmed
in vivo and in vitro with the implication of
an interaction between probiotics and immune
cells in the intestinal mucosa (PMID: 22207578).
Our study aimed to investigate the potential anti-
inflammatory effects of daily treatment with autochthonous
probiotic strain L. reuteri B2 (PMID:
33932415) could have an anti-inflammatory effect
on local immune response. In a 14-day experiment
with Intor Swiss: Albino mice (n=10), those treated
with L. reuteri B2 (5x106 CFU/mL, 100 μl) showed a
favorable impact on the gut’s inflammatory environment.
Histological analyses of colon samples
and intraperitoneal macrophages revealed lower
myeloperoxidase (MPO) activity, reduced production
of superoxide ions, IFNγ, IL-6, and TNFα, along
with an enhanced production of IL-10 in L. reuteri
B2 treated mice compared to untreated ones. Notably,
histopathological preparations did not show
significant differences between the groups. The
study suggests that L. reuteri B2 may be valuable
for further evaluation in managing, preventing,
and treating inflammatory bowel diseases. The
presented findings contribute to understanding
the specific anti-inflammatory effects of this strain
on the local immune response, supporting its potential
as a therapeutic agent.",
publisher = "Serbian Society for Microbiology",
journal = "XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april",
title = "The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration",
pages = "38-38",
url = "https://hdl.handle.net/21.15107/rcub_intor_874"
}
Lukić, I., Popović, M., Miljković, R., Tsibulskaya, D., Panić, M., Dragačević, L.,& Stojanović, M.. (2024). The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april
Serbian Society for Microbiology., 38-38.
https://hdl.handle.net/21.15107/rcub_intor_874
Lukić I, Popović M, Miljković R, Tsibulskaya D, Panić M, Dragačević L, Stojanović M. The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration. in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april. 2024;:38-38.
https://hdl.handle.net/21.15107/rcub_intor_874 .
Lukić, Ivana, Popović, Mina, Miljković, Radmila, Tsibulskaya, Darya, Panić, Marko, Dragačević, Luka, Stojanović, Marijana, "The anti-inflammatory effect of Limosilactobacillus Reuteri b2 administration" in XIII Congress of microbiologists of Serbia with international participation, Mikromed regio 5, From biotechnology to human and planetary health, 4-6 april (2024):38-38,
https://hdl.handle.net/21.15107/rcub_intor_874 .

Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination

Patiño-Guillén, Gerardo; Pešović, Jovan; Panić, Marko; Savić-Pavićević, Dušanka; Bošković, Filip; Keyser, Ulrich Felix

(Nature, 2024)

TY  - JOUR
AU  - Patiño-Guillén, Gerardo
AU  - Pešović, Jovan
AU  - Panić, Marko
AU  - Savić-Pavićević, Dušanka
AU  - Bošković, Filip
AU  - Keyser, Ulrich Felix
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/865
AB  - Transcription, a critical process in molecular biology, has found many applications in RNA synthesis, including mRNA vaccines and RNA therapeutics. However, current RNA characterization technologies suffer from amplification and enzymatic biases that lead to loss of native information. Here, we introduce a strategy to quantitatively study both transcription and RNA polymerase behaviour by sizing RNA with RNA nanotechnology and nanopores. To begin, we utilize T7 RNA polymerase to transcribe linear DNA lacking termination sequences. Surprisingly, we discover alternative transcription termination in the origin of replication sequence. Next, we employ circular DNA without transcription terminators to perform rolling circle transcription. This allows us to gain valuable insights into the processivity and transcription behaviour of RNA polymerase at the single-molecule level. Our work demonstrates how RNA nanotechnology and nanopores may be used in tandem for the direct and quantitative analysis of RNA transcripts. This methodology provides a promising pathway for accurate RNA structural mapping by enabling the study of full-length RNA transcripts at the single-molecule level.
PB  - Nature
T2  - Nature Communications
T1  - Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination
IS  - 1
SP  - 1699
VL  - 15
DO  - 10.1038/s41467-024-45968-8
ER  - 
@article{
author = "Patiño-Guillén, Gerardo and Pešović, Jovan and Panić, Marko and Savić-Pavićević, Dušanka and Bošković, Filip and Keyser, Ulrich Felix",
year = "2024",
abstract = "Transcription, a critical process in molecular biology, has found many applications in RNA synthesis, including mRNA vaccines and RNA therapeutics. However, current RNA characterization technologies suffer from amplification and enzymatic biases that lead to loss of native information. Here, we introduce a strategy to quantitatively study both transcription and RNA polymerase behaviour by sizing RNA with RNA nanotechnology and nanopores. To begin, we utilize T7 RNA polymerase to transcribe linear DNA lacking termination sequences. Surprisingly, we discover alternative transcription termination in the origin of replication sequence. Next, we employ circular DNA without transcription terminators to perform rolling circle transcription. This allows us to gain valuable insights into the processivity and transcription behaviour of RNA polymerase at the single-molecule level. Our work demonstrates how RNA nanotechnology and nanopores may be used in tandem for the direct and quantitative analysis of RNA transcripts. This methodology provides a promising pathway for accurate RNA structural mapping by enabling the study of full-length RNA transcripts at the single-molecule level.",
publisher = "Nature",
journal = "Nature Communications",
title = "Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination",
number = "1",
pages = "1699",
volume = "15",
doi = "10.1038/s41467-024-45968-8"
}
Patiño-Guillén, G., Pešović, J., Panić, M., Savić-Pavićević, D., Bošković, F.,& Keyser, U. F.. (2024). Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination. in Nature Communications
Nature., 15(1), 1699.
https://doi.org/10.1038/s41467-024-45968-8
Patiño-Guillén G, Pešović J, Panić M, Savić-Pavićević D, Bošković F, Keyser UF. Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination. in Nature Communications. 2024;15(1):1699.
doi:10.1038/s41467-024-45968-8 .
Patiño-Guillén, Gerardo, Pešović, Jovan, Panić, Marko, Savić-Pavićević, Dušanka, Bošković, Filip, Keyser, Ulrich Felix, "Single-molecule RNA sizing enables quantitative analysis of alternative transcription termination" in Nature Communications, 15, no. 1 (2024):1699,
https://doi.org/10.1038/s41467-024-45968-8 . .
28

Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8.

Patiño-Guillén, Gerardo; Pešović, Jovan; Panić, Marko; Savić-Pavićević, Dušanka; Bošković, Filip; Keyser, Ulrich Felix

(Nature, 2024)

TY  - DATA
AU  - Patiño-Guillén, Gerardo
AU  - Pešović, Jovan
AU  - Panić, Marko
AU  - Savić-Pavićević, Dušanka
AU  - Bošković, Filip
AU  - Keyser, Ulrich Felix
PY  - 2024
UR  - http://intor.torlakinstitut.com/handle/123456789/866
AB  - This PDF file includes: → Supplementary Figures 1 to 29 → Supplementary Tables 1 to 8
PB  - Nature
T2  - Nature Communications
T1  - Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8.
IS  - 1
VL  - 15
DO  - 10.17863/CAM.104528
ER  - 
@misc{
author = "Patiño-Guillén, Gerardo and Pešović, Jovan and Panić, Marko and Savić-Pavićević, Dušanka and Bošković, Filip and Keyser, Ulrich Felix",
year = "2024",
abstract = "This PDF file includes: → Supplementary Figures 1 to 29 → Supplementary Tables 1 to 8",
publisher = "Nature",
journal = "Nature Communications",
title = "Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8.",
number = "1",
volume = "15",
doi = "10.17863/CAM.104528"
}
Patiño-Guillén, G., Pešović, J., Panić, M., Savić-Pavićević, D., Bošković, F.,& Keyser, U. F.. (2024). Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8.. in Nature Communications
Nature., 15(1).
https://doi.org/10.17863/CAM.104528
Patiño-Guillén G, Pešović J, Panić M, Savić-Pavićević D, Bošković F, Keyser UF. Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8.. in Nature Communications. 2024;15(1).
doi:10.17863/CAM.104528 .
Patiño-Guillén, Gerardo, Pešović, Jovan, Panić, Marko, Savić-Pavićević, Dušanka, Bošković, Filip, Keyser, Ulrich Felix, "Supplementary Material for: Patiño-Guillén, G.; Pešović, J.; Panić, M.; Savić-Pavićević, D.; Bošković, F.; Keyser, U. F. Single-Molecule RNA Sizing Enables Quantitative Analysis of Alternative Transcription Termination. Nat Commun 2024, 15 (1), 1699. https://doi.org/10.1038/s41467-024-45968-8." in Nature Communications, 15, no. 1 (2024),
https://doi.org/10.17863/CAM.104528 . .

STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles

Vlijm, Rifka; Li, Xue; Panić, Marko; Rüthnick, Diana; Hata, Shoji; Herrmannsdörfer, Frank; Kuner, Thomas; Heilemann, Mike; Engelhardt, Johann; Hell, Stefan W.; Schiebel, Elmar

(Biophysical Society, 2018)

TY  - CONF
AU  - Vlijm, Rifka
AU  - Li, Xue
AU  - Panić, Marko
AU  - Rüthnick, Diana
AU  - Hata, Shoji
AU  - Herrmannsdörfer, Frank
AU  - Kuner, Thomas
AU  - Heilemann, Mike
AU  - Engelhardt, Johann
AU  - Hell, Stefan W.
AU  - Schiebel, Elmar
PY  - 2018
UR  - http://intor.torlakinstitut.com/handle/123456789/843
AB  - The centrosome linker proteins C-Nap1, rootletin and CEP68 connect the
two centrosomes of a cell during interphase into one microtubule organizing centre. This coupling is important for cell migration, cilia formation and timing of mitotic spindle formation. Very little is known about
the structure of the centrosome linker. Here, we used STimulated Emission Depletion (STED)microscopy to show that each C-Nap1 ring at the
proximal end of the two centrioles organizes a rootletin ring and in addition multiple rootletin fibres that radiate outwards from the ring into the
cytoplasm. Rootletin filaments have a repeat organization of 75 nm and
bind CEP68 via its C-terminal spectrin repeat containing region in 75
nm intervals. CEP68 is essential in forming rootletin filaments that branch
off centrioles and modulates the thickness of rootletin fibres. Thus, the
centrosome linker consists of a vast network of repeating rootletin units
with C-Nap1 as ring organizer and CEP68 as filament modulator. The
punctual contact model is consistent with the biological properties of
the centrosome linker.
PB  - Biophysical Society
PB  - Elsevier
C3  - Biophysical Journal
T1  - STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles
IS  - 3
SP  - 535a
VL  - 114
DO  - 10.1016/j.bpj.2017.11.2926
ER  - 
@conference{
author = "Vlijm, Rifka and Li, Xue and Panić, Marko and Rüthnick, Diana and Hata, Shoji and Herrmannsdörfer, Frank and Kuner, Thomas and Heilemann, Mike and Engelhardt, Johann and Hell, Stefan W. and Schiebel, Elmar",
year = "2018",
abstract = "The centrosome linker proteins C-Nap1, rootletin and CEP68 connect the
two centrosomes of a cell during interphase into one microtubule organizing centre. This coupling is important for cell migration, cilia formation and timing of mitotic spindle formation. Very little is known about
the structure of the centrosome linker. Here, we used STimulated Emission Depletion (STED)microscopy to show that each C-Nap1 ring at the
proximal end of the two centrioles organizes a rootletin ring and in addition multiple rootletin fibres that radiate outwards from the ring into the
cytoplasm. Rootletin filaments have a repeat organization of 75 nm and
bind CEP68 via its C-terminal spectrin repeat containing region in 75
nm intervals. CEP68 is essential in forming rootletin filaments that branch
off centrioles and modulates the thickness of rootletin fibres. Thus, the
centrosome linker consists of a vast network of repeating rootletin units
with C-Nap1 as ring organizer and CEP68 as filament modulator. The
punctual contact model is consistent with the biological properties of
the centrosome linker.",
publisher = "Biophysical Society, Elsevier",
journal = "Biophysical Journal",
title = "STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles",
number = "3",
pages = "535a",
volume = "114",
doi = "10.1016/j.bpj.2017.11.2926"
}
Vlijm, R., Li, X., Panić, M., Rüthnick, D., Hata, S., Herrmannsdörfer, F., Kuner, T., Heilemann, M., Engelhardt, J., Hell, S. W.,& Schiebel, E.. (2018). STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles. in Biophysical Journal
Biophysical Society., 114(3), 535a.
https://doi.org/10.1016/j.bpj.2017.11.2926
Vlijm R, Li X, Panić M, Rüthnick D, Hata S, Herrmannsdörfer F, Kuner T, Heilemann M, Engelhardt J, Hell SW, Schiebel E. STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles. in Biophysical Journal. 2018;114(3):535a.
doi:10.1016/j.bpj.2017.11.2926 .
Vlijm, Rifka, Li, Xue, Panić, Marko, Rüthnick, Diana, Hata, Shoji, Herrmannsdörfer, Frank, Kuner, Thomas, Heilemann, Mike, Engelhardt, Johann, Hell, Stefan W., Schiebel, Elmar, "STED Nanoscopy of the Centrosome Linker Reveals a CEP68-Organized, Periodic Rootletin Network Anchored to a C-Nap1 Ring at Centrioles" in Biophysical Journal, 114, no. 3 (2018):535a,
https://doi.org/10.1016/j.bpj.2017.11.2926 . .
1