rspНаучно-практическая ревматологияRheumatology Science and Practice1995-44841995-4492IMA-PRESS, LLC10.14412/1995-4484-2015-502-505rsp-2127Research ArticleОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯORIGINAL RESEARCHАссоциация полиморфизма гена интерлейкина 1β с постменопаузальным остеопорозом у женщин в российской популяцииASSOCIATION OF INTERLEUKIN-1β GENE POLYMORPHISM WITH POSTMENOPAUSAL OSTEOPOROSIS IN WOMEN IN THE RUSSIAN POPULATIONКрыловМ. Ю.KrylovM. Yu.mekry@yandex.ruНикитинскаяО. А.NikitinskayaO. A.СамаркинаЕ. Ю.SamarkinaE. Yu.ТоропцоваН. В.ToroptsovaN. V.ФГБНУ Научно-исследовательский институт ревматологии им. В.А. Насоновой, Москва, Россия 115522 Москва, Каширское шоссе, 34АРоссияV.A. Nasonova Research Institute of Rheumatology, Moscow, Russia 34A, Kashirskoe Shosse, Moscow 115522Russian Federation201514102015535502505Copyright © Крылов М.Ю., Никитинская О.А., Самаркина Е.Ю., Торопцова Н.В., 20152015Крылов М.Ю., Никитинская О.А., Самаркина Е.Ю., Торопцова Н.В.Krylov M.Y., Nikitinskaya O.A., Samarkina E.Y., Toroptsova N.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://rsp.mediar-press.net/rsp/article/view/2127

Интерлейкин 1β (ИЛ1β) является потенциальным стимулятором костной резорбции. Антагонист рецептора ИЛ1β (ИЛ1РА) представляет собой естественный ингибитор биологических эффектов ИЛ1β.

Цель – изучить распределение частот полиморфизмов генов ИЛ1β и ИЛ1РА и их связь с минеральной плотностью кости (МПК) у женщин с первичным остеопорозом (ОП).

Материал и методы

Материал и методы. Изучено распределение частот генотипов полиморфизма (-511С/Т) гена ИЛ1β и частот генотипов полиморфизма гена ИЛ1РА, связанного с количеством вариабельных тандемных повторов (ВТП), среди 254 женщин с ОП и 214 здоровых женщин.

Результаты и обсуждение

Результаты и обсуждение. Носители (-511СТ) генотипа гена ИЛ1β среди больных с ОП встречались несколько чаще (53,0%), чем в контрольной группе (43,4%), однако различия недостоверны. Риск развития ОП у них был в 1,5 раза выше, чем у носителей других генотипов (отношение шансов – 1,49, доверительный интервал – 1,02–2,18; р=0,041). Пациентки – носители Т-аллеля (СТ- и ТТ-генотипы) гена ИЛ1β имели достоверно более низкую МПК позвоночника (LI–IV), чем пациентки, не имеющие этого аллеля (СС-генотип; р=0,011). Не обнаружено различий в распределении частот полиморфизма гена ИЛ1РА, связанного с количеством ВТП, между больными и контролем. В группе больных ОП носители редкого варианта А1А3 гена ИЛ1РА (3,1%) имели достоверно более высокие значения МПК шейки бедра (0,698±0,064 г/см2) по сравнению с носителями вариантов А1А1, А1А2 и А2А2 (0,613±0,078; 0,607±0,082 и 0,615±0,064 г/см2; р=0,003, р=0,003 и р=0,002 соответственно).

Выводы

Выводы. (-511С/Т) полиморфизм гена ИЛ1β ассоциируется со сниженной МПК позвоночника, а вариант А1А3 гена ИЛ1РА – с более высокой МПК шейки бедра.

Interleukin-1β (IL-1β) is a potential stimulant of bone resorption. IL-1β receptor antagonist (IL-1RA) is a natural inhibitor of the biological effects of IL-1β.

Objective

Objective: to study the frequency distribution of polymorphisms in the IL-1β and IL-1RA genes and their association with bone mineral density (BMD) in women with primary osteoporosis (OP).

Subjects and methods

Subjects and methods. The distribution of genotype frequency of IL-1β (-511C/T) polymorphism and that of IL-1RA 511C/T polymorphism that is associated with the number of variable tandem repeats (VTR), were investigated in 254 women with OP and 214 healthy women.

Results and discussion

Results and discussion. IL-1β (-511C/T) genotype carriers were encountered somewhat more frequently among the patients with OP (53.0%) than in the control group (43.4%); however, the differences were insignificant. In these carriers, the risk of OP was 1.5-fold higher than that in those of other genotypes (odds ratio, 1.49; confidence interval, 1.02–2.18; p = 0.041). The patients who were IL-1β T allele (CT- and TT-genotype) carriers had a significantly lower spine (LI–IV) BMD than those who had not this allele (CC-genotype; p = 0.011). The patients and the controls showed no differences in the frequency distribution of IL-1RA gene polymorphism associated with the number of VTR. In the OP group, the carriers of the rare genotype A1A3 in the IL-1RA gene (3.1%) had significantly higher femoral neck BMD (0.698±0.064 g/cm2) than those of the А1А1, А1А2 and А2А2 genotypes (0.613±0.078; 0.607±0.082. and 0.615±0.064 g/cm2; р = 0.003, р = 0.003, and р = 0.002, respectively).

Conclusion

Conclusion. IL-1β (-511C/T) polymorphism is associated with lower spine BMD and IL-1RA A1A3 genotype polymorphism is related to higher femoral neck BMD.

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The authors declare that there are no conflicts of interest present.