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脂细胞肥胖基因的特异产物称肥胖蛋白(leptin),可调节成人、儿童的食欲和体重,通过测定新生儿脐血leptin探讨其对胎儿生长的影响和不同性别胎儿血leptin的差异。 正常分娩新生儿82例中男性43例,女性39例,孕期36～42(平均39.7±1.2)周,出生体重2306～4128(3053±363)g,胎盘重365～920(587±119)g,出生体重标准差为~-1.75～~+3.2SD(-0.13±0.86SD),Kaup指数为10.2～16.5(12.9±1.1)g/cm~2×10,体重/身高为51.3～82.6(62.6±6.2)g/cm。分娩后即采集脐血,分离血清,-80℃
The specific product of adipocyte fat gene is called leptin, which can regulate the appetite and body weight of adults and children. The effect of leptin on the growth of fetus and the difference of leptin in different sex fetus blood were investigated. Among the 82 newborns with normal childbirth, 43 males, 39 females, 36-42 gets during pregnancy (average 39.7 ± 1.2) weeks, birth weight 2306-4128 (3053 ± 363) g, placental weight 365-9205 (587 ± 119) g , The standard deviation of birth weight was ~ -1.75 ~ + 3.2 SD (-0.13 ± 0.86 SD), the Kaup index was 10.2 ~ 16.5 (12.9 ± 1.1) g / cm ~ 2 × 10 and the body weight / height was 51.3 ~ 82.6 ± 6.2) g / cm. Umbilical cord blood was collected after delivery, and serum was separated at -80 ° C