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  5. 非營養性甜味劑對於滋養層細胞球體植入子宮內膜細胞的影響
 
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非營養性甜味劑對於滋養層細胞球體植入子宮內膜細胞的影響

Other Title
Effects of non-nutritive sweeteners on trophoblast spheroids implantation in endometrial cells
Type
thesis
Date Issued
2022-07-05
Author(s)
陳憬儀
Advisor
謝榮鴻
Subjects
系所名稱:保健營養學系碩士班
Publisher
保健營養學系碩士班
Description
口試委員:葉添順 YEH, TIEN-SHUN;陳玉華 CHEN, YUE-HWA;謝榮鴻 HSIEH, RONG-HONG
開放校內, 開放日期為2022-07-22;校外, 開放日期為2025-07-22
Abstract
不孕症為全球關注的議題之一,懷孕期間暴露於非營養性甜味劑使活性氧物種的生成增加及降低粒線體功能,影響胎盤及胎兒的發育,進而阻礙著床而無法受孕。本次研究旨在探討阿斯巴甜、蔗糖素及醋磺內酯鉀對於子宮內膜細胞及與滋養層細胞球體附著之影響。分別以0.5、1 及 2 mM 阿斯巴甜、蔗糖素及醋磺內酯鉀培養人類子宮內膜腺癌細胞 24 小時,以螢光染色分析細胞與粒線體氧化壓力、粒線體膜電位及其數量,以海馬生物能量測定儀分析粒線體呼吸耗氧速率以評估粒線體功能,以免疫呈色法分析抗氧化酵素活性,以西方墨點法分析系線體生合成相關蛋白表現量。另外,將滋養層細胞球體與子宮內膜細胞共培養,評估球體附著率作為體外著床模型。結果顯示,蔗糖素會降低滋養層球體附著率,藉由增加其細胞與粒線體中的氧化壓力,降低粒線體SOD活性,抑制了粒線體呼吸功能,增加粒線體膜電位,並代償性增加粒線體數量。阿斯巴甜及醋磺內酯鉀對於球體附著率無顯著影響。醋磺內酯鉀增加粒線體數量,並藉由增加CAT活性減少細胞內的ROS生成。另外,阿斯巴甜透過其代謝途徑生成細胞氧化壓力而提升CAT活性,沒有觀察到對於粒線體之影響。
URI
https://handle.ncl.edu.tw/11296/36pj4f
https://203.71.86.71/handle/123456789/10835

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