Results 81 to 90 of about 18,974 (282)

One number to rule them all: The Wildlife Sperm Index for standardized gamete assessment

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract In wildlife conservation, breeding programmes focused on reintroduction are critical to recovering endangered species. Assisted reproductive technologies (ARTs) and biobanking play pivotal roles in these efforts but depend on high‐quality gametes.
Leah Jacobs   +4 more
wiley   +1 more source

Trends in the Use and Indications for Intracytoplasmic Sperm Injection Between 2005 and 2017: A State‐Wide Descriptive Cohort Analysis

open access: yesAustralian and New Zealand Journal of Obstetrics and Gynaecology, EarlyView.
ABSTRACT Background Intracytoplasmic sperm injection (ICSI) was first developed to overcome male factor infertility. ICSI has increased in uptake globally, including in cases where its use is non‐essential for fertilisation. Aims To identify temporal trends in the use of, and indications for ICSI in an Australian context.
Aleah Kink   +13 more
wiley   +1 more source

Appropriate cut-off value for follicle-stimulating hormone in azoospermia to predict spermatogenesis

open access: yesReproductive Biology and Endocrinology, 2010
Background This study was undertaken to determine the optimal cut-off value for FSH to predict the presence of spermatogenesis in patients with non-obstructive azoospermia.
Chen Shyh-Chyan   +3 more
doaj   +1 more source

Testicular histopathology and its association with germ cell numbers, serum concentrations of reproductive hormones, and semen quality

open access: yesAndrology, EarlyView.
Abstract Background It is well‐established that spermatogenesis, semen quality, and reproductive hormones are interlinked. It is, however, less well‐described how various specific testicular histopathologies are linked to reproductive hormones and semen quality.
Gülizar Saritas   +6 more
wiley   +1 more source

Proteomic biomarkers in seminal plasma as predictors of reproductive potential in azoospermic men

open access: yesFrontiers in Endocrinology
IntroductionAzoospermia, characterized by an absence of sperm in the ejaculate, represents the most severe form of male infertility. While surgical sperm retrieval in obstructive azoospermia (OA) is successful in the majority of cases, patients with non ...
Daniela Fietz   +14 more
doaj   +1 more source

Evaluation of Candidates for Sperm Retrieval [PDF]

open access: bronze, 2021
Darren J. Bryk   +2 more
openalex   +1 more source

The use of deidentified organ donor testes for research

open access: yesAndrology, EarlyView.
Abstract Our knowledge of testis development and function mainly comes from research using mammalian model organisms, primarily the mouse. However, there are integral differences between men and other mammalian species regarding cellular composition and expression profiles during fetal and post‐natal testis development and in the mature testis ...
Marina V. Pryzhkova   +4 more
wiley   +1 more source

Folding, misfolding, and regulation of intracellular traffic of G protein‐coupled receptors involved in the hypothalamic–pituitary–gonadal axis

open access: yesAndrology, EarlyView.
Abstract Background G protein‐coupled receptors are a large and functionally diverse family of membrane receptors involved in a number of biological processes. Like other proteins, G protein‐coupled receptors need to be properly folded in order to traffic to the plasma membrane and interact with agonist.
Alfredo Ulloa‐Aguirre   +5 more
wiley   +1 more source

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