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  1. Home
  2. College of Medicine /醫學院
  3. Institute of Medicine/醫學研究所
  4. 早產兒、足月健康兒及足月病兒血中瘦體蛋白之分析
 
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早產兒、足月健康兒及足月病兒血中瘦體蛋白之分析

Date Issued
2001
Author(s)
蘇本華  
PEN-HUA Su  
Advisor
陳家玉  
JIA-YUH Chen
URI
https://handle.ncl.edu.tw/11296/y7shp9
https://scholars.csmu.edu.tw/handle/123456789/34901
Abstract
自從西元1994年,肥胖基因的產物--瘦體蛋白被發現以來,醫學界對於有關身體肥胖的機轉以及能量平衡的調節,便有了更進一步的了解。目前已知瘦體蛋白主要由身體脂肪細胞製造,以荷爾蒙的型態提供腦部有關身體能量儲存量之多寡的訊息,並活化下視丘中樞以達到調節能量攝取及消耗能量的作用。如我們所知,人的一生有許多時期,是身體快速生長發育時期,例如胎兒期、嬰兒期、青春期等。其中胎兒時期的生長速率非常快,特別是在妊娠後期胎兒的體重急速增加,身體脂肪及蛋白質比例亦顯著上升。這樣的變化是否會經由與能量調節極有關連的瘦體蛋白來呈現特別的變化呢?因此我們希望能經由本研究,分析台灣早產兒與足月兒血清中瘦體蛋白的濃度,並經由統計學的方法,了解新生兒的出生體重、身高、頭圍、腰圍、臀圍、週數、體表面積、身體質量指數及性別等,分別與血清中瘦體蛋白濃度的相關性。本論文的研究目標有四:(1)了解台灣的早產兒及足月兒血清中瘦體蛋白是否有差異。(2)了解不同出生週數之新生兒出生體重、身高、頭圍、腰圍、臀圍、週數、體表面積、身體質量指數及性別等、與血清中瘦體蛋白濃度的相關性分析研究。(3)了解健康及生病的新生兒血清中瘦體蛋白濃度是否有顯著差異。(4)了解不同性別的新生兒血清中瘦體蛋白濃度是否如成人般有兩性間的差異存在。我的研究論文中對於104位新生兒,分別依其出生週數及臨床表現分為早產兒、足月健康兒及足月病兒三組。根據統計分析指出(1)血清中瘦體蛋白濃度與出生體重、身高、體表面積,有顯著相關。(2)足月健康兒血清中瘦體蛋白濃度明顯高於足月病兒與早產兒。(3)不同性別的三組新生兒血清中瘦體蛋白濃度有女高於男的趨勢,但經由統計分析後有顯著差異。(4)新生兒血清中瘦體蛋白濃度隨出生時妊娠週數及體重的增加而上升,且有線性關係。
Leptin, a hormone that signals the amount of energy stores to the brain, has recently been shown to play a role in the regulation of several hypothalamic pituitary axis, including the growth hormone axis. In order to investigate a potential association of serum leptin concentrations and clinical condition in preterm, sick term and healthy term newborns. Serum leptin concentrations were evaluated in 104 newborns. Twenty-eight of them were healthy term (18 male and 10 famale; gestational age: >37 weeks, ≦42weeks), 21 were sick term (12 male and 9 female; gestational age: >37 weeks, ≦42 weeks) and 55 were preterm neonates (35 male and 20 female; gestational age: 26-37 weeks). Leptin values correlate positively with birth weight, birth length, head circumference, waist circumference, hip circumference, body surface, weight/length ratio and gestational age (r=0.38, 0.42, 0.29, 0.21, 0.29, 0.40, 0.31 and 0.28). The concentrations of leptin are statistically significantly higher (p<0.05) in term neonates (3.02±2.94 ng/ml) than preterm neonates (1.93±2.21 ng/ml). Female infants also have significant higher (p<0.05) serum leptin values than male infants (2.43±2.63 vs. 1.93±2.21 ng/ml). We also found leptin is present in venous blood after 26 weeks of gestation.
Subjects
肥胖基因
瘦體蛋白
早產兒
足月兒
體重
ob-gene
leptin
preterm
term
body weight
Type
thesis
File(s)
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089CSMC0534003-001.zip

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40.56 KB

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