Download presentation
Presentation is loading. Please wait.
1
7 Feb 05 Part II1 PHARMACOLOGY 545 Cardiovascular Pharmacology Cardiac SL ion transport systems Part II 7 February 2005
2
7 Feb 05 Part II2
3
3
4
4 Outline Physiological functions of cardiac SL Excitation-contraction coupling Regulation of pH i Metabolism Regulatory receptors Structure of cardiac sarcolemma Excitation-contraction coupling Regulation of pH i
5
7 Feb 05 Part II5 Na + -Ca 2+ exchanger (NCX)
6
7 Feb 05 Part II6 NCX 3Na + Ca 2+ E NCX = 3E Na -2E Ca
7
7 Feb 05 Part II7 E-C coupling in mammalian heart
8
7 Feb 05 Part II8
9
9
10
10
11
7 Feb 05 Part II11
12
7 Feb 05 Part II12 transcribe cDNA into cRNA in vitrotranscribe cDNA into cRNA in vitro inject cRNA into Xenopus oocytesinject cRNA into Xenopus oocytes measuring NCX activity cRN A NCX
13
7 Feb 05 Part II13 NCX Ca 2+ (8 mM) Na (100 mM) extracellular side cytoplasmic side excised giant patch clamp 1 M
14
7 Feb 05 Part II14
15
7 Feb 05 Part II15 Ca 2+ dependence of NCX
16
7 Feb 05 Part II16
17
7 Feb 05 Part II17
18
7 Feb 05 Part II18
19
7 Feb 05 Part II19
20
7 Feb 05 Part II20 NCX 3Na + Ca 2+ E NCX = 3E Na -2E Ca
21
7 Feb 05 Part II21 E-C coupling in mammalian heart
22
7 Feb 05 Part II22
23
7 Feb 05 Part II23
24
7 Feb 05 Part II24
25
7 Feb 05 Part II25
26
7 Feb 05 Part II26 Store-operated channels (SOC)
27
7 Feb 05 Part II27
28
7 Feb 05 Part II28
29
7 Feb 05 Part II29
30
7 Feb 05 Part II30
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.