体育科学
體育科學
체육과학
China Sport Science
2009年
2期
65~70
,共null页
高效液相色谱 低氧训练 心肌组织 腺苷酸 能荷 鼠 动物实验
高效液相色譜 低氧訓練 心肌組織 腺苷痠 能荷 鼠 動物實驗
고효액상색보 저양훈련 심기조직 선감산 능하 서 동물실험
high performance liquid chromatography ; hypoxic training ; rnyocardiurn ; adenosine phosphate ; energy charge ; rat ; animal experiment
目的:利用高效液相色谱(HPLC)技术,探讨不同低氧训练模式下大鼠心肌组织ATP、ADP、AMP含量以及能荷(EC)水平能量代谢的变化特征。方法:将40只大鼠随机分为4组,每组各10只,分别进行常氧训练(control)、高住低练(HiLo)、低住高练(LoHi)和间歇性低氧训练(IHT),4周后断头处死,取心肌组织进行液相色谱分析。结果:不同低氧训练模式下大鼠心肌组织ATP、ADP、AMP含量以及EC水平变化存在一定差异,与常氧训练相比,HiLo组ATP下降了36.1%,LoHi组和IHT组分别提高了12.5%和36.0%,均产生显著性差异;ADP和AMP的变化趋势与ATP相似,除了HiLo组AMP下降了23.9%外,其余的均未有较大的变化;HiLo组心肌组织腺苷酸池总量下降了19.0%,而LoHi组和IHT组表现为略有提高,但只有IHT组产生显著性差异(P〈0.05),各组的EC水平差异不大,维持在相对稳定的状态。结论:HiLo低氧训练后的ATP含量、腺苷酸池总量以及EC水平最低,IHT低氧训练后的ATP含量、腺苷酸池总量以及EC水平最高,表现出IHT训练后EC维持能量代谢能力的效果最为显著,EC水平维持能量代谢能力表现为IHT〉LoHi〉常氧训练〉HiLo。
目的:利用高效液相色譜(HPLC)技術,探討不同低氧訓練模式下大鼠心肌組織ATP、ADP、AMP含量以及能荷(EC)水平能量代謝的變化特徵。方法:將40隻大鼠隨機分為4組,每組各10隻,分彆進行常氧訓練(control)、高住低練(HiLo)、低住高練(LoHi)和間歇性低氧訓練(IHT),4週後斷頭處死,取心肌組織進行液相色譜分析。結果:不同低氧訓練模式下大鼠心肌組織ATP、ADP、AMP含量以及EC水平變化存在一定差異,與常氧訓練相比,HiLo組ATP下降瞭36.1%,LoHi組和IHT組分彆提高瞭12.5%和36.0%,均產生顯著性差異;ADP和AMP的變化趨勢與ATP相似,除瞭HiLo組AMP下降瞭23.9%外,其餘的均未有較大的變化;HiLo組心肌組織腺苷痠池總量下降瞭19.0%,而LoHi組和IHT組錶現為略有提高,但隻有IHT組產生顯著性差異(P〈0.05),各組的EC水平差異不大,維持在相對穩定的狀態。結論:HiLo低氧訓練後的ATP含量、腺苷痠池總量以及EC水平最低,IHT低氧訓練後的ATP含量、腺苷痠池總量以及EC水平最高,錶現齣IHT訓練後EC維持能量代謝能力的效果最為顯著,EC水平維持能量代謝能力錶現為IHT〉LoHi〉常氧訓練〉HiLo。
목적:이용고효액상색보(HPLC)기술,탐토불동저양훈련모식하대서심기조직ATP、ADP、AMP함량이급능하(EC)수평능량대사적변화특정。방법:장40지대서수궤분위4조,매조각10지,분별진행상양훈련(control)、고주저련(HiLo)、저주고련(LoHi)화간헐성저양훈련(IHT),4주후단두처사,취심기조직진행액상색보분석。결과:불동저양훈련모식하대서심기조직ATP、ADP、AMP함량이급EC수평변화존재일정차이,여상양훈련상비,HiLo조ATP하강료36.1%,LoHi조화IHT조분별제고료12.5%화36.0%,균산생현저성차이;ADP화AMP적변화추세여ATP상사,제료HiLo조AMP하강료23.9%외,기여적균미유교대적변화;HiLo조심기조직선감산지총량하강료19.0%,이LoHi조화IHT조표현위략유제고,단지유IHT조산생현저성차이(P〈0.05),각조적EC수평차이불대,유지재상대은정적상태。결론:HiLo저양훈련후적ATP함량、선감산지총량이급EC수평최저,IHT저양훈련후적ATP함량、선감산지총량이급EC수평최고,표현출IHT훈련후EC유지능량대사능력적효과최위현저,EC수평유지능량대사능력표현위IHT〉LoHi〉상양훈련〉HiLo。
Objective: The purpose of this study was to explore the changes of contents of ATP, ADP, AMP and EC in rat myocardium after different pattern of hypoxic training with high performance liquid chromatography (HPLC). Method:Forty rats were randomly divided into four groups with 10 rats in each group, which made four weeks training for low altitude training (control), living- high-training-low (HiLo), living-low-training-high (LoHi) and interval hypoxic training (IHT). Rats were killed by neck breaking and myocardium was determined by HPLC four weeks later. Result:There was existed certain different on changes of contents of ATP, ADP, AMP and EC in rat myocardiurn after different pattern of hypoxic training. Compared with control group, content of ATP in HiLo decreased 36. 1%, but LoHi and IHT group's increased 12. 5 % and 36.0 % respectively, there were significant differences among groups. Except the contents of AMP and adenosine phosphates pool in HiLo group decreased 23.9% and 19.0%, there were no differences among groups, although the energy charge of each group was not improvement degree vary from difference training model. Conclusion: The contents of ATP, adenosine phosphates pool and EC were the lowest in HiLo group but the highest in IHT group after four weeks hypoxic training. This result indicated that IHT was the best hypoxic training model to improve the level of energy metabolism, as to EC, IHT〉LoHi 〉 control〉 HiLo.