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Oestrogens and spermatogenesis [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2010
The role of oestrogens in male reproductive tract physiology has for a long time been a subject of debate. The testis produces significant amounts of oestrogenic hormones, via aromatase, and oestrogen receptors (ERs)α (ESR1) and ERβ (ESR2) are selectively expressed in cells of the testis as well as the epididymal epithelium, depending upon species ...
Rex A Hess, Serge Carreau
exaly   +5 more sources
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PHGPx and spermatogenesis

BioFactors, 2001
AbstractPHGPx of rat sperm mitochondrial capsule is cross‐linked and inactive. The enzyme is in part released in an active form by mercaptoethanol. Treatment with H2O2 of reduced and solubilised capsule proteins, in the absence of any added reductant, results in: i) H2O2 consumption which depends on the presence of both, PHGPx activity and protein ...
ROVERI, ANTONELLA   +3 more
openaire   +4 more sources

Evolution and spermatogenesis [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2010
Sexual reproduction depends on the production of haploid gametes, and their fusion to form diploid zygotes. Here, we discuss sperm production and function in a molecular and functional evolutionary context, drawing predominantly from studies in model organisms (mice, Drosophila ,
Helen White-Cooper
exaly   +3 more sources

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