TY  - JOUR
AU  - Jančić, Ivan
AU  - Sefik-Bukilica, Mirjana
AU  - Živojinović, Slađana
AU  - Damjanov, Nemanja
AU  - Spasovski, Vesna
AU  - Kotur, Nikola
AU  - Klaassen, Kristel
AU  - Pavlović, Sonja
AU  - Bufan, Biljana
AU  - Arsenović-Ranin, Nevena
PY  - 2015
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/2331
AB  - Background: The study was undertaken to assess the influence of functional -308G/A TNF-alpha (rs 1800629) and -174G/C IL-6 (rs1800795) promoter polymorphisms on the therapeutic response to etanercept, a TNF-alpha. blocker, in patients with rheumatoid arthritis (RA). Methods: Seventy-three patients suffering from active RA were studied, at baseline and 6 and 12 months after therapy. The therapeutic response was estimated according to the European League Against Rheumatism response criteria. Patients were genotyped for -308G/A TNF-alpha and -174G/C IL-6 polymorphisms by the PCR-RFLP method, and the influence of genotype on etanercept response was assessed. Results: No difference in the percentage of responders (patients who had DAS28 improvement > 1.2) between patients with the TNF-alpha -308GG and GA and AA genotype was detected after 6 and 12 months of treatment. After 12 months of treatment the percentage of responders was significantly increased in patients with the IL-6 -174GG genotype compared with those with the GC or CC genotype (p=0.006 by Chi-square test). Evaluation of the patients according to their combined IL-6/INF-alpha genotypes showed that patients with the IL-6 -174GG / TNF-alpha -308GG genotype were more frequent among the responders compared to those with other combined genotypes (p=0.022 by Chi-square test). More precisely, all patients with the combined IL-6 -174GG / TNF-alpha -308GG genotype were responders after 12 months of etanercept treatment. Conclusions: The study suggests that patients who are genetically low TNF-alpha and IL-6 producers are the best responders to etanercept therapy.
PB  - Društvo medicinskih biohemičara Srbije, Beograd i Versita
T2  - Journal of Medical Biochemistry
T1  - Influence of Promoter Polymorphisms of the Tnf-α (-308g/A) and IL-6 (-174g/C) Genes on Therapeutic Response to Etanercept in Rheumatoid Arthritis
VL  - 34
IS  - 4
SP  - 414
EP  - 421
DO  - 10.2478/jomb-2014-0060
ER  - 

@article{
author = "Jančić, Ivan and Sefik-Bukilica, Mirjana and Živojinović, Slađana and Damjanov, Nemanja and Spasovski, Vesna and Kotur, Nikola and Klaassen, Kristel and Pavlović, Sonja and Bufan, Biljana and Arsenović-Ranin, Nevena",
year = "2015",
abstract = "Background: The study was undertaken to assess the influence of functional -308G/A TNF-alpha (rs 1800629) and -174G/C IL-6 (rs1800795) promoter polymorphisms on the therapeutic response to etanercept, a TNF-alpha. blocker, in patients with rheumatoid arthritis (RA). Methods: Seventy-three patients suffering from active RA were studied, at baseline and 6 and 12 months after therapy. The therapeutic response was estimated according to the European League Against Rheumatism response criteria. Patients were genotyped for -308G/A TNF-alpha and -174G/C IL-6 polymorphisms by the PCR-RFLP method, and the influence of genotype on etanercept response was assessed. Results: No difference in the percentage of responders (patients who had DAS28 improvement > 1.2) between patients with the TNF-alpha -308GG and GA and AA genotype was detected after 6 and 12 months of treatment. After 12 months of treatment the percentage of responders was significantly increased in patients with the IL-6 -174GG genotype compared with those with the GC or CC genotype (p=0.006 by Chi-square test). Evaluation of the patients according to their combined IL-6/INF-alpha genotypes showed that patients with the IL-6 -174GG / TNF-alpha -308GG genotype were more frequent among the responders compared to those with other combined genotypes (p=0.022 by Chi-square test). More precisely, all patients with the combined IL-6 -174GG / TNF-alpha -308GG genotype were responders after 12 months of etanercept treatment. Conclusions: The study suggests that patients who are genetically low TNF-alpha and IL-6 producers are the best responders to etanercept therapy.",
publisher = "Društvo medicinskih biohemičara Srbije, Beograd i Versita",
journal = "Journal of Medical Biochemistry",
title = "Influence of Promoter Polymorphisms of the Tnf-α (-308g/A) and IL-6 (-174g/C) Genes on Therapeutic Response to Etanercept in Rheumatoid Arthritis",
volume = "34",
number = "4",
pages = "414-421",
doi = "10.2478/jomb-2014-0060"
}

Jančić, I., Sefik-Bukilica, M., Živojinović, S., Damjanov, N., Spasovski, V., Kotur, N., Klaassen, K., Pavlović, S., Bufan, B.,& Arsenović-Ranin, N.. (2015). Influence of Promoter Polymorphisms of the Tnf-α (-308g/A) and IL-6 (-174g/C) Genes on Therapeutic Response to Etanercept in Rheumatoid Arthritis. in Journal of Medical Biochemistry
Društvo medicinskih biohemičara Srbije, Beograd i Versita., 34(4), 414-421.
https://doi.org/10.2478/jomb-2014-0060

Jančić I, Sefik-Bukilica M, Živojinović S, Damjanov N, Spasovski V, Kotur N, Klaassen K, Pavlović S, Bufan B, Arsenović-Ranin N. Influence of Promoter Polymorphisms of the Tnf-α (-308g/A) and IL-6 (-174g/C) Genes on Therapeutic Response to Etanercept in Rheumatoid Arthritis. in Journal of Medical Biochemistry. 2015;34(4):414-421.
doi:10.2478/jomb-2014-0060 .

Jančić, Ivan, Sefik-Bukilica, Mirjana, Živojinović, Slađana, Damjanov, Nemanja, Spasovski, Vesna, Kotur, Nikola, Klaassen, Kristel, Pavlović, Sonja, Bufan, Biljana, Arsenović-Ranin, Nevena, "Influence of Promoter Polymorphisms of the Tnf-α (-308g/A) and IL-6 (-174g/C) Genes on Therapeutic Response to Etanercept in Rheumatoid Arthritis" in Journal of Medical Biochemistry, 34, no. 4 (2015):414-421,
https://doi.org/10.2478/jomb-2014-0060 . .

TY  - JOUR
AU  - Jančić, Ivan
AU  - Arsenović-Ranin, Nevena
AU  - Sefik-Bukilica, Mirjana
AU  - Živojinović, Slađana
AU  - Damjanov, Nemanja
AU  - Spasovski, Vesna
AU  - Srzentić, Sanja
AU  - Stanković, Biljana
AU  - Pavlović, Sonja
PY  - 2013
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1998
AB  - To examine whether -174G/C interleukin-6 (IL-6) gene polymorphism, previously reported to correlate with IL-6 level, influences response to etanercept therapy in patients with rheumatoid arthritis. Seventy-seven patients with active RA were studied, at baseline and 6- and 12-month follow-up after etanercept therapy. Treatment response was estimated according to the European League Against Rheumatism response criteria. RA patients were genotyped for -174G/C IL-6 gene polymorphism by the PCR-RFLP method, and influence of genotype at this polymorphism to clinical response to etanercept was assessed. After 12 months of treatment, the percentage of responders (patients who had DAS28 improvement > 1.2) was significantly increased in patients carrying the IL-6 -174G/G genotype (95.7 %) compared with those with the G/C (75.6 %) or CC (44.4 %) genotype (p = 0.006 by Chi-square test). No significant difference in the mean values of DAS28 improvement was observed between groups with different genotype. RA patients with an IL-6 -174GG genotype respond to etanercept better than patients with GC or CC genotype. This finding, if confirmed in future studies, suggests that the -174G/C IL-6 polymorphism may be a genetic marker of responsiveness to tumor necrosis factor-alpha (TNF-alpha) blockers in RA.
PB  - Springer Heidelberg, Heidelberg
T2  - Rheumatology International
T1  - -174G/C interleukin-6 gene promoter polymorphism predicts therapeutic response to etanercept in rheumatoid arthritis
VL  - 33
IS  - 6
SP  - 1481
EP  - 1486
DO  - 10.1007/s00296-012-2586-y
ER  - 

@article{
author = "Jančić, Ivan and Arsenović-Ranin, Nevena and Sefik-Bukilica, Mirjana and Živojinović, Slađana and Damjanov, Nemanja and Spasovski, Vesna and Srzentić, Sanja and Stanković, Biljana and Pavlović, Sonja",
year = "2013",
abstract = "To examine whether -174G/C interleukin-6 (IL-6) gene polymorphism, previously reported to correlate with IL-6 level, influences response to etanercept therapy in patients with rheumatoid arthritis. Seventy-seven patients with active RA were studied, at baseline and 6- and 12-month follow-up after etanercept therapy. Treatment response was estimated according to the European League Against Rheumatism response criteria. RA patients were genotyped for -174G/C IL-6 gene polymorphism by the PCR-RFLP method, and influence of genotype at this polymorphism to clinical response to etanercept was assessed. After 12 months of treatment, the percentage of responders (patients who had DAS28 improvement > 1.2) was significantly increased in patients carrying the IL-6 -174G/G genotype (95.7 %) compared with those with the G/C (75.6 %) or CC (44.4 %) genotype (p = 0.006 by Chi-square test). No significant difference in the mean values of DAS28 improvement was observed between groups with different genotype. RA patients with an IL-6 -174GG genotype respond to etanercept better than patients with GC or CC genotype. This finding, if confirmed in future studies, suggests that the -174G/C IL-6 polymorphism may be a genetic marker of responsiveness to tumor necrosis factor-alpha (TNF-alpha) blockers in RA.",
publisher = "Springer Heidelberg, Heidelberg",
journal = "Rheumatology International",
title = "-174G/C interleukin-6 gene promoter polymorphism predicts therapeutic response to etanercept in rheumatoid arthritis",
volume = "33",
number = "6",
pages = "1481-1486",
doi = "10.1007/s00296-012-2586-y"
}

Jančić, I., Arsenović-Ranin, N., Sefik-Bukilica, M., Živojinović, S., Damjanov, N., Spasovski, V., Srzentić, S., Stanković, B.,& Pavlović, S.. (2013). -174G/C interleukin-6 gene promoter polymorphism predicts therapeutic response to etanercept in rheumatoid arthritis. in Rheumatology International
Springer Heidelberg, Heidelberg., 33(6), 1481-1486.
https://doi.org/10.1007/s00296-012-2586-y

Jančić I, Arsenović-Ranin N, Sefik-Bukilica M, Živojinović S, Damjanov N, Spasovski V, Srzentić S, Stanković B, Pavlović S. -174G/C interleukin-6 gene promoter polymorphism predicts therapeutic response to etanercept in rheumatoid arthritis. in Rheumatology International. 2013;33(6):1481-1486.
doi:10.1007/s00296-012-2586-y .

Jančić, Ivan, Arsenović-Ranin, Nevena, Sefik-Bukilica, Mirjana, Živojinović, Slađana, Damjanov, Nemanja, Spasovski, Vesna, Srzentić, Sanja, Stanković, Biljana, Pavlović, Sonja, "-174G/C interleukin-6 gene promoter polymorphism predicts therapeutic response to etanercept in rheumatoid arthritis" in Rheumatology International, 33, no. 6 (2013):1481-1486,
https://doi.org/10.1007/s00296-012-2586-y . .

TY  - CONF
AU  - Arsenović-Ranin, Nevena
AU  - Jančić, Ivan
AU  - Sefik-Bukilica, Mirjana
AU  - Živojinović, S.
AU  - Damjanov, Nemanja
AU  - Spasovski, Vesna
AU  - Srzentić, Sanja
AU  - Stanković, B.
AU  - Pavlović, S.
PY  - 2012
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/1652
PB  - Wiley-Blackwell, Hoboken
C3  - Immunology
T1  - Polymorphism at position-174 of the interleukin-6 gene influences outcome of etanercept therapy in rheumatoid arthritis
VL  - 137
SP  - 24
EP  - 24
UR  - https://hdl.handle.net/21.15107/rcub_farfar_1652
ER  - 

@conference{
author = "Arsenović-Ranin, Nevena and Jančić, Ivan and Sefik-Bukilica, Mirjana and Živojinović, S. and Damjanov, Nemanja and Spasovski, Vesna and Srzentić, Sanja and Stanković, B. and Pavlović, S.",
year = "2012",
publisher = "Wiley-Blackwell, Hoboken",
journal = "Immunology",
title = "Polymorphism at position-174 of the interleukin-6 gene influences outcome of etanercept therapy in rheumatoid arthritis",
volume = "137",
pages = "24-24",
url = "https://hdl.handle.net/21.15107/rcub_farfar_1652"
}

Arsenović-Ranin, N., Jančić, I., Sefik-Bukilica, M., Živojinović, S., Damjanov, N., Spasovski, V., Srzentić, S., Stanković, B.,& Pavlović, S.. (2012). Polymorphism at position-174 of the interleukin-6 gene influences outcome of etanercept therapy in rheumatoid arthritis. in Immunology
Wiley-Blackwell, Hoboken., 137, 24-24.
https://hdl.handle.net/21.15107/rcub_farfar_1652

Arsenović-Ranin N, Jančić I, Sefik-Bukilica M, Živojinović S, Damjanov N, Spasovski V, Srzentić S, Stanković B, Pavlović S. Polymorphism at position-174 of the interleukin-6 gene influences outcome of etanercept therapy in rheumatoid arthritis. in Immunology. 2012;137:24-24.
https://hdl.handle.net/21.15107/rcub_farfar_1652 .

Arsenović-Ranin, Nevena, Jančić, Ivan, Sefik-Bukilica, Mirjana, Živojinović, S., Damjanov, Nemanja, Spasovski, Vesna, Srzentić, Sanja, Stanković, B., Pavlović, S., "Polymorphism at position-174 of the interleukin-6 gene influences outcome of etanercept therapy in rheumatoid arthritis" in Immunology, 137 (2012):24-24,
https://hdl.handle.net/21.15107/rcub_farfar_1652 .