Presentation is loading. Please wait.

Presentation is loading. Please wait.

7 Feb 05 Part II1 PHARMACOLOGY 545 Cardiovascular Pharmacology Cardiac SL ion transport systems Part II 7 February 2005.

Similar presentations


Presentation on theme: "7 Feb 05 Part II1 PHARMACOLOGY 545 Cardiovascular Pharmacology Cardiac SL ion transport systems Part II 7 February 2005."— Presentation transcript:

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


Download ppt "7 Feb 05 Part II1 PHARMACOLOGY 545 Cardiovascular Pharmacology Cardiac SL ion transport systems Part II 7 February 2005."

Similar presentations


Ads by Google