中华心血管病杂志
中華心血管病雜誌
중화심혈관병잡지
Chinese Journal of Cardiology
2013年
12期
1020-1024
,共5页
张邱兵%张源明%程路峰%袁庆艳%章桂铭%梁平%苟芳
張邱兵%張源明%程路峰%袁慶豔%章桂銘%樑平%茍芳
장구병%장원명%정로봉%원경염%장계명%량평%구방
高血压%T淋巴细胞%Kv1.3钾通道%钾通道,钙激活
高血壓%T淋巴細胞%Kv1.3鉀通道%鉀通道,鈣激活
고혈압%T림파세포%Kv1.3갑통도%갑통도,개격활
Hypertension%T-lymphocytes%Kv1.3 potassium channel%Potassium channels,calcium-activated
目的 探讨新疆哈萨克族高血压病患者外周血T淋巴细胞电压依赖性钾通道(Kv1.3钾通道)及钙激活钾通道(IKCa1钾通道)的电流变化.方法 读取随机数字表法随机选取20例首次就诊且未经药物治疗的新疆哈萨克族高血压病患者作为高血压组,20例哈萨克族健康体检者作为对照组.采用免疫磁珠法分离两组患者外周血T淋巴细胞,运用全细胞膜片钳电流记录的方法,记录T淋巴细胞膜上Kv1.3和IKCa1钾通道电流特性.结果 高血压组患者T淋巴细胞Kv1.3钾通道峰值电流密度明显高于对照组[(280±74) pA/pF(n =39)比(179 ±51) pA/pF(n=38),P<0.01],Kv1.3钾通道膜电容与对照组比较差异则无统计学意义[(2.7±0.7)pF比(2.9±0.6) pF,P>0.05].高血压组患者T淋巴细胞IKCa1钾通道峰值电流密度明显高于对照组[(198 ±44) pA/pF(n =28)比(124 ±43) pA/pF(n=26),P<0.01],IKCa1钾通道膜电容与对照组比较差异则无统计学意义[(2.8±0.8)pF比(2.4±0.8) pF,P>0.05].结论 新疆哈萨克族高血压病患者外周血T淋巴细胞Kv1.3及IKCa1钾通道电流密度增加,提示Kv1.3和IKCa1钾通道在新疆哈萨克族高血压病患者的T淋巴细胞的激活过程中起着重要作用.
目的 探討新疆哈薩剋族高血壓病患者外週血T淋巴細胞電壓依賴性鉀通道(Kv1.3鉀通道)及鈣激活鉀通道(IKCa1鉀通道)的電流變化.方法 讀取隨機數字錶法隨機選取20例首次就診且未經藥物治療的新疆哈薩剋族高血壓病患者作為高血壓組,20例哈薩剋族健康體檢者作為對照組.採用免疫磁珠法分離兩組患者外週血T淋巴細胞,運用全細胞膜片鉗電流記錄的方法,記錄T淋巴細胞膜上Kv1.3和IKCa1鉀通道電流特性.結果 高血壓組患者T淋巴細胞Kv1.3鉀通道峰值電流密度明顯高于對照組[(280±74) pA/pF(n =39)比(179 ±51) pA/pF(n=38),P<0.01],Kv1.3鉀通道膜電容與對照組比較差異則無統計學意義[(2.7±0.7)pF比(2.9±0.6) pF,P>0.05].高血壓組患者T淋巴細胞IKCa1鉀通道峰值電流密度明顯高于對照組[(198 ±44) pA/pF(n =28)比(124 ±43) pA/pF(n=26),P<0.01],IKCa1鉀通道膜電容與對照組比較差異則無統計學意義[(2.8±0.8)pF比(2.4±0.8) pF,P>0.05].結論 新疆哈薩剋族高血壓病患者外週血T淋巴細胞Kv1.3及IKCa1鉀通道電流密度增加,提示Kv1.3和IKCa1鉀通道在新疆哈薩剋族高血壓病患者的T淋巴細胞的激活過程中起著重要作用.
목적 탐토신강합살극족고혈압병환자외주혈T림파세포전압의뢰성갑통도(Kv1.3갑통도)급개격활갑통도(IKCa1갑통도)적전류변화.방법 독취수궤수자표법수궤선취20례수차취진차미경약물치료적신강합살극족고혈압병환자작위고혈압조,20례합살극족건강체검자작위대조조.채용면역자주법분리량조환자외주혈T림파세포,운용전세포막편겸전류기록적방법,기록T림파세포막상Kv1.3화IKCa1갑통도전류특성.결과 고혈압조환자T림파세포Kv1.3갑통도봉치전류밀도명현고우대조조[(280±74) pA/pF(n =39)비(179 ±51) pA/pF(n=38),P<0.01],Kv1.3갑통도막전용여대조조비교차이칙무통계학의의[(2.7±0.7)pF비(2.9±0.6) pF,P>0.05].고혈압조환자T림파세포IKCa1갑통도봉치전류밀도명현고우대조조[(198 ±44) pA/pF(n =28)비(124 ±43) pA/pF(n=26),P<0.01],IKCa1갑통도막전용여대조조비교차이칙무통계학의의[(2.8±0.8)pF비(2.4±0.8) pF,P>0.05].결론 신강합살극족고혈압병환자외주혈T림파세포Kv1.3급IKCa1갑통도전류밀도증가,제시Kv1.3화IKCa1갑통도재신강합살극족고혈압병환자적T림파세포적격활과정중기착중요작용.
Objective To observe the current changes of voltage-dependent potassium channel (Kv1.3 potassium channel) and calcium-activated potassium channel (IKCa1 potassium channel) in peripheral blood T-lymphocyte derived from hypertensive patients of Xinjiang Kazakh.Methods Twenty randomly selected untreated Kazakh hypertensive patients and 20 Kazakh healthy subjects from Xinjiang were included in this study.T-lymphocytes were isolated from peripheral blood with magnetic cell sorting,the whole-cell currents of Kv1.3 and IKCa1 potassium channels were recorded with patch-clamp technique.Results (1) The current density of Kv1.3 potassium channel was significantly higher in the hypertensive group [(280 ±74) pA/pF (n =39)] than that in the control group [(179 ±51) pA/pF (n =38),P < 0.01],while the membrane capacitance was similar between the two groups.(2) The current density of IKCa1 potassium channel was also significantly higher in the hypertensive group [(198 ± 44) pA/pF (n =28)] than that in the control group [(124 ± 43) pA/pF (n =26),P < 0.01],while the membrane capacitance was also similar between the two groups.Conclusions The T-lymphocytes Kv1.3 potassium channel and IKCa1 potassium channel current densities are higher in hypertensive patients in Xinjiang Kazakh suggesting a potential role of Kv1.3 and IKCa1 potassium channels activation in the pathophysiology of hypertension.