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  5. 瑪卡萃取物增補對力竭性耐力運動後免疫功能及發炎反應之影響
 
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瑪卡萃取物增補對力竭性耐力運動後免疫功能及發炎反應之影響

Other Title
Effects of Lepidium meyenii (Maca) Extract Supplementation on Immune Function and Inflammatory Response After Exhaustive Endurance Exercise
Type
thesis
Date Issued
2023-06-09
Author(s)
林珊
Advisor
呂思潔
Subjects
系所名稱:醫學科學研究所碩士班
Description
學位別:碩士
語文別:中文
口試委員:呂思潔 LEU, SY-JYE;黃文經 HUANG, WEN-CHING;楊明達 YANG, MING-TA
授權範圍:網際網路,開放日期為2023-07-24
Abstract
目的:本研究旨在探討瑪卡萃取物增補對於力竭性耐力運動後免疫功能與發炎反應的影響。方法:本研究以20位健康成年男性為實驗參與者,先讓所有實驗參與者進行第一次漸增強度運動測試,以測得最大攝氧量,之後依其分為瑪卡組 (n = 9) 與安慰劑組 (n = 11),再進行連續12週、每日早、晚各2.25 g的瑪卡萃取物或安慰劑增補。12週增補後所有實驗參與者再次進行漸增強度測試,並於二日後以70% 最大攝氧量的強度在跑步機上持續跑60分鐘後,再以90% 最大攝氧量的強度持續跑至力竭。實驗在力竭性耐力運動前、運動後立即、運動後2小時、運動後4小時與運動後24小時採集血液以測量免疫功能 (白血球、嗜中性球、淋巴球、輔助T細胞 (CD4+)、細胞毒性T細胞 (CD8+)、B細胞、自然殺手細胞數量) 及發炎反應 (周邊血液單核細胞之腫瘤壞死因子-α、干擾素-γ、介白素-2、介白素-4、介白素-6、介白素-8與介白素-10濃度) 等指標。結果:增補前二組間各項數值均無顯著差異,增補後瑪卡組僅有周邊血液單核細胞的干擾素-γ濃度在運動後立即與運動後24小時顯著高於安慰劑組 (p "=" .014、.006),其餘發炎反應指標在各時間點間均無顯著差異。另外,此運動模式下所有實驗參與者的淋巴球數量在運動後2小時與運動後4小時皆顯著低於運動前 (p "=" .001、.031),且CD4+/CD8+比值在運動後立即亦顯著低於運動前 (p < .001),並於運動後2小時回升至運動前。結論:60分鐘的跑步機力竭性耐力運動會誘發人體免疫空窗之現象,但12週的瑪卡萃取物僅對周邊血液單核細胞中的干擾素-γ有正向的效益,其餘指標並無額外的增補效益。
關鍵詞:淋巴球亞群、周邊血液單核細胞、干擾素-γ、CD4+/CD8+比值
URI
https://handle.ncl.edu.tw/11296/tc475p
https://203.71.86.71/handle/123456789/10252

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