The pentose phosphate pathway plays an essential role in supporting human sperm capacitation  

Oleh:

Miraglia, Erica ; Lussiana, Cristina ; Viarisio, Daniele

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 93 no. 07 (May 2010), page 2437-2440.
Topik: pentose phosphate pathway

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2010.03 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In swim-up–selected spermatozoa of 38 normozoospermic patients, capacitated spermatozoa exhibited enhanced pentose phosphate pathway (PPP) activity and increased expression of glucose-6-phosphate dehydrogenase (G6PD). The G6PD inhibitor DHEA and the inhibitors of NADPH oxidase apocynin and diphenylene iodonium (DPI) prevented both superoxide generation and capacitation in human spermatozoa, but whereas DPI and DHEA inhibited PPP, apocynin did not influence it, suggesting that PPP activation during capacitation is not a response to increased oxidative stress but exerts a role by supplying reducing equivalents to oxygen.

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