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  3. .博碩士學位論文
  4. 105學年度
  5. 以螢光高效能液相層析串聯質譜分析愷他命對小鼠大腦皮質組織蛋白質體之影響
 
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以螢光高效能液相層析串聯質譜分析愷他命對小鼠大腦皮質組織蛋白質體之影響

Other Title
Proteome analysis on ketamine treated mouse cortex by fluorogenic derivatization-liquid chromatography tandem mass spectrometry method
Type
thesis
Date Issued
2017-07-06
Author(s)
謝郁琦
Advisor
林美香
Subjects
系所名稱:藥學系(碩博士班)
Description
學位別:碩士
語文別:中文
指導教授:林美香
口試委員:李宗徽;韓嘉莉
中文關鍵字:愷他命;精神疾病;蛋白質體學;DAABD-Cl;螢光高效能液相層析串聯質譜法
英文關鍵字:ketamine;neuropsychiatric effects;proteomics;fluorogenic derivatization-liquid chromatography-tandem mass spectrometry;DAABD-Cl
Abstract
愷他命 (ketamine) 在1970年被核准作為麻醉藥物使用,過去相關研究中發現,在麻醉劑量以下,愷他命會產生類似思覺失調症等精神病副作用,並具有快速且有效之抗憂鬱症效果,此外,其神經毒性可能造成之傷害亦逐漸受到重視,然而造成這些複雜作用之機轉目前仍尚未有明確定論。本研究即以蛋白質體分析方法,比較小鼠大腦皮質組織在給予愷他命後表現量改變之蛋白質,藉由分析這些差異蛋白質之功能了解愷他命引起精神疾病相關作用或損傷之機轉。
本次研究將投予愷他命之小鼠大腦皮質均質化,並利用螢光衍生化試劑DAABD-Cl (4-[2-(Dimethylamino)ethylaminosulfonyl]-7-chloro-2,1,3-benzoxadiazole)衍生化後,再以螢光高效能液相層析儀(FD-HPLC)分離及定量,螢光強度具顯著差異之蛋白質波峰則以液相層析串聯質譜儀 (LC-MS/MS) 與數據庫檢索系統進行蛋白質身分鑑定。
蛋白質體分析結果共鑑定出35個表現量具顯著差異之蛋白質,其功能與能量代謝、訊息傳遞路徑、神經發育及細胞骨架等有關,其中V-type proton ATPase subunit a、HACE1及TMEPAI可能分別經由不同之機制,而導致相關受體活化及訊息傳遞路徑之調控,產生類精神病及抗憂鬱症之雙重作用,此外,本研究中發現V-type proton ATPase subunit a、HACE1、TPI、GPR124、brevican及PI3K-C2α之表現量異常,其可能造成細胞死亡,而與愷他命之神經毒性有關。本研究有助於了解愷他命於精神疾病相關作用或損傷之機轉,以應用於損傷之評估及治療方式之開發。
URI
https://203.71.86.71/handle/123456789/58016

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