Цель: Анализ влияния клинических и генетических факторов риска на возникновение микроальбуминурии (МАУ) при артериальной гипертензии (АГ). Материалы и методы. Обследован 371 пациент с АГ, 65% мужчин, средний возраст 51,7±8,3 года. Группу контроля составили 184 человека, 83% мужчин, средний возраст 37±14 лет. Обследование: липидный спектр, гликемия, креатинин, анализ мочи, определение МАУ (тест-полоски Micral-test), положительный результат при повторном выявлении более 20 мг/л. Генотипирование по однонуклеотидным заменам Glu298Asp гена эндотелиальной NO-синтазы (eNOS), С242Т гена субъединицы p22phox NADPH-оксидазы, А1166С гена ATR 1 проводили методом полимеразной цепной реакции (ПЦР) с анализом полиморфизма длины рестрикционных фрагментов, а по заменам М235Т, G(-6)A гена AGT с помощью аллель-специфичной ПЦР «в реальном времени». Достоверность различий определяли с использованием χ2, рассчитывали показатели относительного риска (ОР) и отношения шансов (ОШ). Результаты. МАУ выявлена у 10,5%. Достоверно повышали ее риск курение (ОШ 2,2; р=0,017), сахарный диабет (ОШ 2,7; р=0,009) и III степень АГ (ОШ 3,2; р=0,009), влияние отягощенной наследственности, пола, ожирения, дислипидемии, давности АГ недостоверно. В целом по группе не получено влияния изучаемых полиморфизмов на развитие МАУ. При делении на подгруппы по возрасту больных и возрасту установления АГ получена достоверность отличий и показано участие полиморфизмов Glu298Asp гена eNOS, G(-6)A гена AGT и А1166С гена ATR1. Выводы. Риск МАУ повышается у больных АГ при наличии курения, сахарного диабета, III степени АГ. У лиц до 50 лет МАУ ассоциировалась с аллелем G полиморфизма G(-6)A гена AGT (ОШ 2,6; р=0,02); при установлении АГ в возрасте до 35 лет риск МАУ ассоциировался с аллелем А полиморфизма Glu298Asp гена eNOS (ОШ 3,6; р=0,02) и аллелем С полиморфизма А1166С гена ATR1 (ОШ 2,6; р=0,034).
Aim: The analysis of clinical and genetic risk factors influence on the occurrence of microalbuminuria (MAU) in patients with arterial hypertension (AH). Materials and methods: 371 patient AH, 65% of men, age 51,7±8,3, control group – 184 people, age 37±14 years, 83% of men was tested (surveyed). Examination. Lipidic spectrum, glycemia, kreatine, the urine analysis, MAU definition (test strip Micral-test), positive result at repeated revealing >20 mg/l. The genetic typing on single nucleotides replacements Glu298Asp of a eNOS gene, the С242Т of a gene subunit p22phox NADPH oxydase, А1166С of a ATR 1 gene was performed by the PTSR method with the length of restriction fragment polymorphism analysis, and on the М235Т, G (-6) A gene AGT replacements by means of allele-specific PTSR «in real time». The accuracy of diversity was defined with the use of ?2, figuring out the relative risk factor and the ratio chances (OR). Results. MAU was revealed in 10,5%. The risk of MAU was increased by smoking (OR 2,2, р=0,017), diabetes (OR 2,7, р=0,009) and third stage AH (OR 3,2, р=0,009), the influence of the burdened heredity, sex, obesity, dislipidemii, prescription AH is doubtful. The influence of polymorphism under test on the MAU development is not obtained for the group on the whole. The significance of difference for subgroups on age and age of AH reliability establishment was acquired and the involvement of polymorphisms Glu298Asp of eNOS gene, G (-6) A gene AGT and А1166С gene ATR1 was shown. Conclusions. The MAU risk rises in AH patients with the habit of smoking, in patients with diabetes, 3 stage AH. In patients under the age of 50 MAU was associated with allele G of polymorphism G (-6) A gene AGT (OR 2,6, р=0,02); at AH determination before the age of 35 the risk of MAU is associated with allele A of polymorphism Glu298Asp of a gene eNOS (OR 3,6, р=0,02) and with allele C of polymorphism А1166С of gene ATR1 (OR 2,6, р=0,034).
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1 ГОУ ВПО Петрозаводский государственный университет министерства образования и науки РФ,
2 Больница скорой медицинской помощи, Петрозаводск,
3 ФФМ МГУ им. М.В.Ломоносова,
4 ФГУ РКНПК МЗ и СР РФ, Москва
*eme@karelia.ru
1 GOU VPO «Petrozavodsk state university MO &N RF,
2 Clinic of emergency medicine, Petrozavodsk,
3 Laboratory of genetic and cell technology FFM MGU M.V.Lomonosov,
4 FSI RC SPC Ministry of Health
*eme@karelia.ru