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  #1  
Old 06-23-2011
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Question Drug mechanism of action that lead to male impotence!

In clinical trials an experimental drug is found cause impotence in large percentage of males. Inhibition of which of following is responsible for this side effect?

1) conversion of DHT to testosterone
2) oxycitocin
3) prostaglandins
4) NO synthase
5) forward motility factor
6) decreased prolcatin
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  #2  
Old 06-23-2011
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Where did you get this question from?

Last edited by add1; 06-23-2011 at 11:15 PM.
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Old 06-23-2011
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the ans is NO synthase
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  #4  
Old 06-23-2011
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NO synthase
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Old 06-23-2011
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I think is 4) NO synthase
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Old 06-23-2011
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Yes, I also agree its D) NO Synthesis
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Old 06-23-2011
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4) NO synthase
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Old 06-23-2011
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4) NO synthase
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Old 06-24-2011
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NO synthase
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Old 06-24-2011
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NO synthase inhibition preventing the vasodilation necesary for erection
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Old 06-24-2011
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NO synthase.
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Old 06-24-2011
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Why NO synthase
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Old 06-24-2011
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NO synthase
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Old 06-24-2011
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yea, i didnt get either why NO synthase?
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Old 06-25-2011
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Who has the question ?
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Old 06-25-2011
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Quote:
Originally Posted by star123 View Post
yea, i didnt get either why NO synthase?
NO Synthase makes NO which is a potent vasodilator, NO is then degraded by 5-PDE (which can be inhibited -- viagra)
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