用荧光染料fura-2法测定心室肌细胞内游离钙离子浓度
用fura-2荧光染料测定了静息时的酶解分离心室肌细胞内游离Ca2+浓度,40mMKCI和5mM咖啡因都能使心室肌细胞内游离Ca2+浓度增加,但KCI增加游离Ca2+浓度需要细胞外液中存在Ca2+,而咖啡因则否,提示KCl增加细胞内游离Ca2+浓度可能是通过细胞外Ca2+内流,咖啡因则使细胞内贮存Ca2+释放。...
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| Format: | Article |
|---|---|
| Language: | zho |
| Published: |
Editorial Office of Journal of Sun Yat-sen University
1990-01-01
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| Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
| Subjects: | |
| Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43593146/ |
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