NONSTOP Motor: Sodium Potassium ATPase Pump (Na K ATPase Pump)
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- Опубліковано 27 тра 2024
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Video Summary:
Na-K ATPase pump actively transports Na out of the cell and K into the cell. During each cycle it moves 3 Na out, 2 K in and uses 1 ATP. The Na gradient established by this pump can be secondarily be used to transport other substances against their electrochemical gradient. By moving 1 net positive ion outside it creates electronegativity inside the cell. This is required for impulse transmission in neurons and muscles. And finally, it balances the ion entry driven by negatively charged proteins inside the cell, which contributes to maintain cell volume.
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Dr Vipul Navadiya
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.
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I am very glad to hear that. I want to make medical education so fun that people watch these videos as they watch movies or web series. So when you give such comments, it shows that I am going in right direction. Thanks for the complement and support. Now that you started loving pharmacology all the other subjects will also start getting interesting.
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Yes we are already working in that direction. Thank you 😊
Thank you so much!
But some indicate that na+ binds first then phosphate group, which is accurate?
Getting the basics is enough in the beginning. Go into intricate details later only as you need or find interesting.
Sir I'm a medico too, now preparing for the NEETPG. I'm lucky to have found your channel 😊
Could you please help me with a doubt? In a Na K ATPase pump, does ouabain have a seperate binding site, or does it bind to K+ binding site? I read that digoxin competes with K+ for its binding site thus making this a case of competitive inhibition. What kind of inhibition happens in case of ouabain?
Digoxin and ouabain both are cardiac glycosides and both work by similar mechanism. So yes, K+ competes with ouabain for same binding site.
@@NonstopNeuron Honestly what I don't understand is what's the logic of naming a seperate 'ouabain binding site' on the alpha subunit if it binds to the K+ binding site only.. It's very confusing.