模擬失重大鼠腸系膜小動(dòng)脈平滑肌細(xì)胞電壓依賴性鈣離子通道電流的

1、 32 生理學(xué)報(bào) Acta Physiologica Sinica, February 25, 2005, 57(1: 27-32 10 2+ KV 上調(diào) 結(jié)合 L-VDC 的下調(diào)可使 Ca 內(nèi)流減少， 這 可能也是失重下主要阻力性動(dòng)脈血管功能與結(jié)構(gòu)下 調(diào)的電生理學(xué)自體調(diào)節(jié)機(jī)制之一。但 L-VDC 電流密 度的降低是由于通道表達(dá)的降低還是單個(gè)通道功能 的改變引起還有待進(jìn)一步闡明。 參考文獻(xiàn) 1 Zhang LF ( 張立藩,Yu ZB, Ma J, Mao QW. Peripheral effector mechanism hypothesis on cardiovascular dysfun

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