Popović, Nikola

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  • Popović, Nikola (3)
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Author's Bibliography

Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix

Stanisavljević, Nemanja S.; Soković Bajić, Svetlana; Jovanović, Živko; Matić, Ivana; Tolinački, Maja; Popović, Dušanka; Popović, Nikola; Terzić-Vidojević, Amarela; Golić, Nataša; Beškoski, Vladimir; Samardžić, Jelena

(Frontiers, 2020)

TY  - JOUR
AU  - Stanisavljević, Nemanja S.
AU  - Soković Bajić, Svetlana
AU  - Jovanović, Živko
AU  - Matić, Ivana
AU  - Tolinački, Maja
AU  - Popović, Dušanka
AU  - Popović, Nikola
AU  - Terzić-Vidojević, Amarela
AU  - Golić, Nataša
AU  - Beškoski, Vladimir
AU  - Samardžić, Jelena
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4300
AB  - In this study, for the first time, the comprehensive analysis of antiproliferative and antioxidant activities of ramson, followed by the analysis of its associated microbiota and health-promoting effects of lactic acid bacteria (LAB), was performed. Ramson (Allium ursinum) is recognized as a medicinal plant with a long history of use in traditional medicine due to its antimicrobial and antioxidant activity. In this study the influence of in vitro gastrointestinal digestion on the cytotoxic activity of A. ursinum extracts against human malignant cell lines was demonstrated. Seven sulfur compounds, the degradation products of thiosulfinates, including diallyl disulfide were shown to inhibit proliferation of malignant cells by inducing accumulation within G2/M phase as well as to induce apoptosis through activation of caspase-3 and mitochondrial signaling pathway. Further, the A. ursinum microbiota, particularly LAB with potential probiotic effects, was analyzed by culture-dependent method and culture-independent method [denaturing gradient gel electrophoresis (DGGE)]. The obtained results revealed that the most abundant genera were Streptococcus, Lactobacillus, and Bacillus. The Lactobacillus genus was mainly represented by L. fermentum. The pulsed-field gel electrophoresis (PFGE) analysis revealed the presence of two PFGE pulsotypes. The probiotic potential of the strain L. fermentum BGSR163 belonging to PFGE pulsotype 1 and the strain L. fermentum BGSR227 belonging to the PFGE pulsotype 2 was characterized. The results revealed that both strains are safe for human use, successfully survive the simulated gastrointestinal conditions, have potential to transiently colonize the gastrointestinal tract (GIT) and have a protective immunomodulatory effect, inducing the production of proinflammatory cytokine IL17 and regulatory cytokine IL10, while decreasing the production of proinflammatory cytokine IFN-γ. In conclusion, the results of this study suggest that consumption of A. ursinum might have health-promoting properties, including anticancer effects, while L. fermentum strains isolated from A. ursinum leaves could be used as probiotics for human consumption.
PB  - Frontiers
T2  - Frontiers in Microbiology
T1  - Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix
VL  - 11
DO  - 10.3389/fmicb.2020.601616
ER  - 
@article{
author = "Stanisavljević, Nemanja S. and Soković Bajić, Svetlana and Jovanović, Živko and Matić, Ivana and Tolinački, Maja and Popović, Dušanka and Popović, Nikola and Terzić-Vidojević, Amarela and Golić, Nataša and Beškoski, Vladimir and Samardžić, Jelena",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4300",
abstract = "In this study, for the first time, the comprehensive analysis of antiproliferative and antioxidant activities of ramson, followed by the analysis of its associated microbiota and health-promoting effects of lactic acid bacteria (LAB), was performed. Ramson (Allium ursinum) is recognized as a medicinal plant with a long history of use in traditional medicine due to its antimicrobial and antioxidant activity. In this study the influence of in vitro gastrointestinal digestion on the cytotoxic activity of A. ursinum extracts against human malignant cell lines was demonstrated. Seven sulfur compounds, the degradation products of thiosulfinates, including diallyl disulfide were shown to inhibit proliferation of malignant cells by inducing accumulation within G2/M phase as well as to induce apoptosis through activation of caspase-3 and mitochondrial signaling pathway. Further, the A. ursinum microbiota, particularly LAB with potential probiotic effects, was analyzed by culture-dependent method and culture-independent method [denaturing gradient gel electrophoresis (DGGE)]. The obtained results revealed that the most abundant genera were Streptococcus, Lactobacillus, and Bacillus. The Lactobacillus genus was mainly represented by L. fermentum. The pulsed-field gel electrophoresis (PFGE) analysis revealed the presence of two PFGE pulsotypes. The probiotic potential of the strain L. fermentum BGSR163 belonging to PFGE pulsotype 1 and the strain L. fermentum BGSR227 belonging to the PFGE pulsotype 2 was characterized. The results revealed that both strains are safe for human use, successfully survive the simulated gastrointestinal conditions, have potential to transiently colonize the gastrointestinal tract (GIT) and have a protective immunomodulatory effect, inducing the production of proinflammatory cytokine IL17 and regulatory cytokine IL10, while decreasing the production of proinflammatory cytokine IFN-γ. In conclusion, the results of this study suggest that consumption of A. ursinum might have health-promoting properties, including anticancer effects, while L. fermentum strains isolated from A. ursinum leaves could be used as probiotics for human consumption.",
publisher = "Frontiers",
journal = "Frontiers in Microbiology",
title = "Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix",
volume = "11",
doi = "10.3389/fmicb.2020.601616"
}
Stanisavljević, N. S., Soković Bajić, S., Jovanović, Ž., Matić, I., Tolinački, M., Popović, D., Popović, N., Terzić-Vidojević, A., Golić, N., Beškoski, V.,& Samardžić, J. (2020). Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix.
Frontiers in Microbiology
Frontiers., 11.
https://doi.org/10.3389/fmicb.2020.601616
Stanisavljević NS, Soković Bajić S, Jovanović Ž, Matić I, Tolinački M, Popović D, Popović N, Terzić-Vidojević A, Golić N, Beškoski V, Samardžić J. Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix. Frontiers in Microbiology. 2020;11
Stanisavljević Nemanja S., Soković Bajić Svetlana, Jovanović Živko, Matić Ivana, Tolinački Maja, Popović Dušanka, Popović Nikola, Terzić-Vidojević Amarela, Golić Nataša, Beškoski Vladimir, Samardžić Jelena, "Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix" Frontiers in Microbiology, 11 (2020),
https://doi.org/10.3389/fmicb.2020.601616 .
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Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis

Ognjenović, Jana; Milčić-Matić, Natalija; Smiljanić, Katarina; Vuckovic, Olga; Burazer, Lidija M.; Popović, Nikola; Stanić-Vučinić, Dragana; Ćirković-Veličković, Tanja

(Elsevier Science Bv, Amsterdam, 2013)

TY  - JOUR
AU  - Ognjenović, Jana
AU  - Milčić-Matić, Natalija
AU  - Smiljanić, Katarina
AU  - Vuckovic, Olga
AU  - Burazer, Lidija M.
AU  - Popović, Nikola
AU  - Stanić-Vučinić, Dragana
AU  - Ćirković-Veličković, Tanja
PY  - 2013
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1391
AB  - Canine atopic dermatitis (CAD) is an immune system disorder that affects 10-15% of the canine population. Short ragweed (Ambrosia artemisiifolia) pollen represents one of the major seasonal sources of allergenic pollen proteins in Europe, particularly in the Pannonian valley of the Balkan region. In Serbia, about 66% of atopic dogs showed a positive intradermal skin test with its pollen extract, which is second to house dust mites. Therefore, characterization of Ambrosia artemisiifolia pollen components, in terms of defining major and minor allergens that induce clinically manifested allergic reaction in dogs, is important for valid diagnosis and efficient therapy. This study has, for the first time, characterized and identified major Ambrosia artemisiifolia allergens in CAD, using an immunoproteomic approach. To assess the prevalence of specific IgE in electrophoretically separated ragweed pollen proteins, individual reactivity of sera from dogs with CAD was analyzed and compared to the reactivity of sera from healthy dogs in the non-reducing conditions, which were found optimal for specific canine IgE detection. A specific IgE band (38 kDa) was recognized as the most dominant allergen in CAD, occurring in 81% of positive dog's sera. 2-D immunoblotting followed by a mass spectrometry peptide fingerprint analyses with pooled canine and human atopic sera, revealed that 38 kDa major Ambrosia atremisiifolia allergens in CAD were all five isoallergens of the Amb a 1 group (antigen E), including the previously named Amb a 2 (antigen K). In contrast to canine sera, human atopic sera also recognized lower mass allergens such as the 13 fragment of Amb a 1 and profilins (Amb a 8 variants). The most prominent ragweed proteins in CAD, represent, as in humans, variants of all five isoallergens of the Amb a 1 group (pectate lyase): Amb a 1.0101 and its natural variant E1XUL2, Amb a 1.0202, 1.0304, 1.0402 and the natural variant of Amb a 1.0501, E1XUM0, as well as the a fragment of pollen allergen Amb a 1.0201.
PB  - Elsevier Science Bv, Amsterdam
T2  - Veterinary Immunology and Immunopathology
T1  - Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis
VL  - 155
IS  - 1-2
SP  - 38
EP  - 47
DO  - 10.1016/j.vetimm.2013.06.005
ER  - 
@article{
author = "Ognjenović, Jana and Milčić-Matić, Natalija and Smiljanić, Katarina and Vuckovic, Olga and Burazer, Lidija M. and Popović, Nikola and Stanić-Vučinić, Dragana and Ćirković-Veličković, Tanja",
year = "2013",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1391",
abstract = "Canine atopic dermatitis (CAD) is an immune system disorder that affects 10-15% of the canine population. Short ragweed (Ambrosia artemisiifolia) pollen represents one of the major seasonal sources of allergenic pollen proteins in Europe, particularly in the Pannonian valley of the Balkan region. In Serbia, about 66% of atopic dogs showed a positive intradermal skin test with its pollen extract, which is second to house dust mites. Therefore, characterization of Ambrosia artemisiifolia pollen components, in terms of defining major and minor allergens that induce clinically manifested allergic reaction in dogs, is important for valid diagnosis and efficient therapy. This study has, for the first time, characterized and identified major Ambrosia artemisiifolia allergens in CAD, using an immunoproteomic approach. To assess the prevalence of specific IgE in electrophoretically separated ragweed pollen proteins, individual reactivity of sera from dogs with CAD was analyzed and compared to the reactivity of sera from healthy dogs in the non-reducing conditions, which were found optimal for specific canine IgE detection. A specific IgE band (38 kDa) was recognized as the most dominant allergen in CAD, occurring in 81% of positive dog's sera. 2-D immunoblotting followed by a mass spectrometry peptide fingerprint analyses with pooled canine and human atopic sera, revealed that 38 kDa major Ambrosia atremisiifolia allergens in CAD were all five isoallergens of the Amb a 1 group (antigen E), including the previously named Amb a 2 (antigen K). In contrast to canine sera, human atopic sera also recognized lower mass allergens such as the 13 fragment of Amb a 1 and profilins (Amb a 8 variants). The most prominent ragweed proteins in CAD, represent, as in humans, variants of all five isoallergens of the Amb a 1 group (pectate lyase): Amb a 1.0101 and its natural variant E1XUL2, Amb a 1.0202, 1.0304, 1.0402 and the natural variant of Amb a 1.0501, E1XUM0, as well as the a fragment of pollen allergen Amb a 1.0201.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Veterinary Immunology and Immunopathology",
title = "Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis",
volume = "155",
number = "1-2",
pages = "38-47",
doi = "10.1016/j.vetimm.2013.06.005"
}
Ognjenović, J., Milčić-Matić, N., Smiljanić, K., Vuckovic, O., Burazer, L. M., Popović, N., Stanić-Vučinić, D.,& Ćirković-Veličković, T. (2013). Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis.
Veterinary Immunology and Immunopathology
Elsevier Science Bv, Amsterdam., 155(1-2), 38-47.
https://doi.org/10.1016/j.vetimm.2013.06.005
Ognjenović J, Milčić-Matić N, Smiljanić K, Vuckovic O, Burazer LM, Popović N, Stanić-Vučinić D, Ćirković-Veličković T. Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis. Veterinary Immunology and Immunopathology. 2013;155(1-2):38-47
Ognjenović Jana, Milčić-Matić Natalija, Smiljanić Katarina, Vuckovic Olga, Burazer Lidija M., Popović Nikola, Stanić-Vučinić Dragana, Ćirković-Veličković Tanja, "Immunoproteomic characterization of Ambrosia artemisiifolia pollen allergens in canine atopic dermatitis" Veterinary Immunology and Immunopathology, 155, no. 1-2 (2013):38-47,
https://doi.org/10.1016/j.vetimm.2013.06.005 .
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8
9

Evaluation of Criteria for Diagnosis of Atopic Dermatitis and Detection of Allergen Specific Ige Antibodies in Dogs Allergic to Ambrosia Artemisiifolia Pollen

Milčić-Matić, Natalija; Ognjenović, Jana; Burazer, Lidija M.; Blagojević, G.; Popović, Nikola; Lazarevic, M.; Stanić-Vučinić, Dragana

(De Gruyter Poland Sp Zoo, Warsaw, 2013)

TY  - JOUR
AU  - Milčić-Matić, Natalija
AU  - Ognjenović, Jana
AU  - Burazer, Lidija M.
AU  - Blagojević, G.
AU  - Popović, Nikola
AU  - Lazarevic, M.
AU  - Stanić-Vučinić, Dragana
PY  - 2013
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1407
AB  - Common ragweed (Ambrosia atremisiifolia) is one of the most frequent causes of pollen-induced allergic reactions both in humans and dogs. It has not been defined yet, what is the major allergen(s) to which most dogs allergic to ragweed show a positive result on intradermal skin test (IDST). In the present study sensitization to Ambrosia artemisiifolia pollen allergens in dogs with atopic dermatitis was examined with both in vivo and in vitro tests, including IDST and serum allergen specific IgE test. Detection of specific-IgE antibodies against ragweed allergens by immunoblotting in the sera of allergic dogs was optimized, as well. Dogs that were positive, as judged by IDST reactions to ragweed pollen allergens, also had alergen specific IgE antibodies in their sera. Results indicate that major allergens of A. artemisifolia pollen in dogs are Amb a 1 and Amb a 2. Further characterization of ragweed allergens is needed before they could potentially be used in intradermal testing or allergen immunotherapy in affected dogs. Also, we evaluated new Favrots diagnostic criteria for canine atopic dermatitis in dogs allergic to Ambrosia atremisiifolia pollen. It might be concluded that proposed criteria are of great assistance for seting up suspected diagnosis of canine atopic dermatitis, after ruling out other pruritic dermatoses.
AB  - Kratka ambrozija (Ambrosia artemisiifolia) je jedan od najčešćih uzročnika alergijskih reakcija izazvanih polenom kod ljudi i pasa. Još uvek nije definisano koji je glavni alergen (i), na koji, većina pasa alergičnih na polen ambrozije, ispoljava pozitivnu reakciju na intradermalnom testu. U ovoj studiji je ispitana senzibilizacija na polen ove biljke kod pasa sa simptomima atopijskog dermatitisa in vivo i in vitro testovima, uključujući intradermalni test i dokazivanje prisustva alergen specifičnih IgE antitela u serumu. Optimizovani su uslovi za detekciju IgE specifičnih antitela iz seruma pasa alergičnih na polen ambrozije imunoblot tehnikom. Psi koji su imali pozitivnu reakciju na polen ove biljke na intradermalnom testu, takođe su imali specifična IgE antitela u serumu. Dobijeni rezultati ukazuju da su glavni alergeni Ambrosia artemisiifolia kod pasa Amb a 1 i Amb a 2. Neophodna je dalja karakterizacija alergena ambrozije kako bi se oni mogli primeniti pri rutinskom intradermalnom testiranju ili u alergen specifičnoj imunoterapiji obolelih pasa. Takođe je razmatrana i validnost Favrotovih dijagnostičkih kriterijuma kod pasa alergičnih na polen ambrozije. Može se zaključiti da su predloženi kriterijumi od velike pomoći u postavljanju suspektne dijagnoze atopijskog dermatitisa pasa, nakon isključenja drugih pruritičnih dermatoza.
PB  - De Gruyter Poland Sp Zoo, Warsaw
T2  - Acta Veterinaria, Beograd
T1  - Evaluation of Criteria for Diagnosis of Atopic Dermatitis and Detection of Allergen Specific Ige Antibodies in Dogs Allergic to Ambrosia Artemisiifolia Pollen
T1  - Evaluacija kriterijuma za dijagnozu atopijskog dermatitisa i detekcija alergen specifičnih IgE antitela kod pasa alergičnih na polen biljke Ambrosia artemisiifolia
VL  - 63
IS  - 4
SP  - 437
EP  - 451
DO  - 10.2298/AVB1304437M
ER  - 
@article{
author = "Milčić-Matić, Natalija and Ognjenović, Jana and Burazer, Lidija M. and Blagojević, G. and Popović, Nikola and Lazarevic, M. and Stanić-Vučinić, Dragana",
year = "2013",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1407",
abstract = "Common ragweed (Ambrosia atremisiifolia) is one of the most frequent causes of pollen-induced allergic reactions both in humans and dogs. It has not been defined yet, what is the major allergen(s) to which most dogs allergic to ragweed show a positive result on intradermal skin test (IDST). In the present study sensitization to Ambrosia artemisiifolia pollen allergens in dogs with atopic dermatitis was examined with both in vivo and in vitro tests, including IDST and serum allergen specific IgE test. Detection of specific-IgE antibodies against ragweed allergens by immunoblotting in the sera of allergic dogs was optimized, as well. Dogs that were positive, as judged by IDST reactions to ragweed pollen allergens, also had alergen specific IgE antibodies in their sera. Results indicate that major allergens of A. artemisifolia pollen in dogs are Amb a 1 and Amb a 2. Further characterization of ragweed allergens is needed before they could potentially be used in intradermal testing or allergen immunotherapy in affected dogs. Also, we evaluated new Favrots diagnostic criteria for canine atopic dermatitis in dogs allergic to Ambrosia atremisiifolia pollen. It might be concluded that proposed criteria are of great assistance for seting up suspected diagnosis of canine atopic dermatitis, after ruling out other pruritic dermatoses., Kratka ambrozija (Ambrosia artemisiifolia) je jedan od najčešćih uzročnika alergijskih reakcija izazvanih polenom kod ljudi i pasa. Još uvek nije definisano koji je glavni alergen (i), na koji, većina pasa alergičnih na polen ambrozije, ispoljava pozitivnu reakciju na intradermalnom testu. U ovoj studiji je ispitana senzibilizacija na polen ove biljke kod pasa sa simptomima atopijskog dermatitisa in vivo i in vitro testovima, uključujući intradermalni test i dokazivanje prisustva alergen specifičnih IgE antitela u serumu. Optimizovani su uslovi za detekciju IgE specifičnih antitela iz seruma pasa alergičnih na polen ambrozije imunoblot tehnikom. Psi koji su imali pozitivnu reakciju na polen ove biljke na intradermalnom testu, takođe su imali specifična IgE antitela u serumu. Dobijeni rezultati ukazuju da su glavni alergeni Ambrosia artemisiifolia kod pasa Amb a 1 i Amb a 2. Neophodna je dalja karakterizacija alergena ambrozije kako bi se oni mogli primeniti pri rutinskom intradermalnom testiranju ili u alergen specifičnoj imunoterapiji obolelih pasa. Takođe je razmatrana i validnost Favrotovih dijagnostičkih kriterijuma kod pasa alergičnih na polen ambrozije. Može se zaključiti da su predloženi kriterijumi od velike pomoći u postavljanju suspektne dijagnoze atopijskog dermatitisa pasa, nakon isključenja drugih pruritičnih dermatoza.",
publisher = "De Gruyter Poland Sp Zoo, Warsaw",
journal = "Acta Veterinaria, Beograd",
title = "Evaluation of Criteria for Diagnosis of Atopic Dermatitis and Detection of Allergen Specific Ige Antibodies in Dogs Allergic to Ambrosia Artemisiifolia Pollen, Evaluacija kriterijuma za dijagnozu atopijskog dermatitisa i detekcija alergen specifičnih IgE antitela kod pasa alergičnih na polen biljke Ambrosia artemisiifolia",
volume = "63",
number = "4",
pages = "437-451",
doi = "10.2298/AVB1304437M"
}
Milčić-Matić, N., Ognjenović, J., Burazer, L. M., Blagojević, G., Popović, N., Lazarevic, M.,& Stanić-Vučinić, D. (2013). Evaluacija kriterijuma za dijagnozu atopijskog dermatitisa i detekcija alergen specifičnih IgE antitela kod pasa alergičnih na polen biljke Ambrosia artemisiifolia.
Acta Veterinaria, Beograd
De Gruyter Poland Sp Zoo, Warsaw., 63(4), 437-451.
https://doi.org/10.2298/AVB1304437M
Milčić-Matić N, Ognjenović J, Burazer LM, Blagojević G, Popović N, Lazarevic M, Stanić-Vučinić D. Evaluacija kriterijuma za dijagnozu atopijskog dermatitisa i detekcija alergen specifičnih IgE antitela kod pasa alergičnih na polen biljke Ambrosia artemisiifolia. Acta Veterinaria, Beograd. 2013;63(4):437-451
Milčić-Matić Natalija, Ognjenović Jana, Burazer Lidija M., Blagojević G., Popović Nikola, Lazarevic M., Stanić-Vučinić Dragana, "Evaluacija kriterijuma za dijagnozu atopijskog dermatitisa i detekcija alergen specifičnih IgE antitela kod pasa alergičnih na polen biljke Ambrosia artemisiifolia" Acta Veterinaria, Beograd, 63, no. 4 (2013):437-451,
https://doi.org/10.2298/AVB1304437M .
1
1