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Cited by 379

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Akt-dependent phosphorylation of endothelial nitric-oxide synthase mediates penile erection

Open access
Hurt, K. Joseph, Musicki, Biljana, Palese, Michael A., Crone, Julie K., Becker, Robyn E., Moriarity, John L., Snyder, Solomon H., Burnett, Arthur L.·2002·Proceedings of the National Academy of Sciences

Abstract

In the penis, nitric oxide (NO) can be formed by both neuronal NO synthase and endothelial NOS (eNOS). eNOS is activated by viscous drag/shear stress in blood vessels to produce NO continuously, a process mediated by the phosphatidylinositol 3-kinase (PI3kinase)/Akt pathway. Here we show that PI3-kinase/Akt physiologically mediates erection. Both electrical stimulation of the cavernous nerve and direct intracavernosal injection of the vasorelaxant drug papaverine cause rapid increases in phosphorylated (activated) Akt and eNOS. Phosphorylation is diminished by wortmannin and LY294002, inhibitors of PI3-kinase, the upstream activator of Akt. The two drugs also reduce erection. Penile erection elicited by papaverine is reduced profoundly in mice with targeted deletion of eNOS. Our findings support a model in which rapid, brief activation of neuronal NOS initiates the erectile process, whereas PI3-kinase/Akt-dependent phosphorylation and activation of eNOS leads to sustained NO production and maximal erection.

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Crossref · 10.1073/pnas.052712499

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Metadata

Authors
Hurt, K. J., Musicki, B., Palese, M. A., Crone, J. K., Becker, R. E., Moriarity, J. L., Snyder, S. H., & Burnett, A. L.
Venue
Proceedings of the National Academy of Sciences
Published
2002-03-19
Volume
99
Issue
6
Pages
4061-4066
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2152357927
Cited by
379
References
3
FWCI
10.50
Type
journal article
Language
en
Open access
bronze

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