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Old 01-07-2012
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Kidney Aldosterone & α-intercalated cells

Does aldosterone increase the H+ channel only, or does it up-regulate the K+/H+ ATPase?
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Old 01-08-2012
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Aldosterone only upregulates H ATPAse and doesn't upregulate H K ATPase because HATPase is stimulated by Aldosterone ( say, hyperaldosteronism) while H K ATPase reacts to conserve K under low K diet condition only.

Aldosteron acts on the principal cells to secrete K to a varied extent, depending on many factors.

At least, thats what I found in books. Any correction?
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Old 01-10-2012
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Thanks Patho2012. Looks like it is only the H+ ATPase channels that are unregulated in the alpha-intercalated cells.
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Endocrine-, Physiology-, Renal-

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