Results 11 to 20 of about 7,680,621 (399)
A new perspective on semen quality of aged male: The characteristics of metabolomics and proteomics
Frontiers in Endocrinology, 2023 BackgroundSemen quality is negatively correlated with male age and is mainly quantified by a routine semen analysis, which is descriptive and inconclusive.
Yi Guo +9 more
doaj +2 more sources
Spatiotemporal trends in human semen quality
Nature Reviews Urology, 2022 Over the past four decades, studies of various designs have reported spatial and temporal trends in human semen quality. Several standardized-methodology studies in homogeneous populations that compare specific cities within a country or a continent provide clear evidence of geographical differences in sperm production, even over short distances within
Auger, Jacques +3 more
openaire +4 more sources
Thyroid dysfunction and semen quality [PDF]
International Journal of Immunopathology and Pharmacology, 2018 Thyroid hormones act on testis in multiple ways and exert their effect on different cell types, including Leydig and Sertoli cells, and germ cells. An excess or deficit of thyroid hormones results in alterations of testis function, including semen abnormalities. More frequently, hyperthyroidism has been associated with reduced semen volume and reduced
Sandro La Vignera, Roberto Vita
openaire +3 more sources
Regulation of semen quality by fatty acids in diets, extender, and semen
Frontiers in Veterinary Science, 2023 Fatty acids (FAs) are classified into different types according to the degree of hydrocarbon chain saturation, including saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs), omega-3 polyunsaturated fatty acids (omega-3 PUFAs) and omega-6 ...
Chongshan Yuan, Jun Wang, Wenfa Lu
semanticscholar +1 more source
Impact of environmental factors on human semen quality and male fertility: a narrative review
Environmental Sciences Europe, 2022 Background Worldwide rising trend in infertility has been observed in the past few years with male infertility arising as a major problem. One main reason for the rise in male infertility cases is declining semen quality.
Naina Kumar, A. Singh
semanticscholar +1 more source
Animals, 2023 Simple Summary Semen collection frequency and season are the primary factors influencing the ability to effectively utilize artificial insemination technology during rooster fertility to ensure semen quality and a usable number of sperm for ...
Maruay Pimprasert +3 more
semanticscholar +1 more source
Antioxidants, 2022 Exposure to endocrine-disrupting chemicals (EDCs) may result in oxidative stress and endocrine system disturbance, which can have an impact on human reproduction and development.
I. Virant-Klun +2 more
semanticscholar +1 more source
Molecular Medicine, 2022 Background Clinical data suggest that male reproductive dysfunction especially infertility is a critical issue for type 1 diabetic patient (T1D) because most of them are at the reproductive age.
Yanan Hao +11 more
semanticscholar +1 more source
Association between ambient particulate matter exposure and semen quality in fertile men
Environmental Health, 2022 Background Several studies have suggested adverse effects of particulate matter (PM) exposure on male reproductive health; few have investigated the association between PM exposure and semen quality in a large population of fertile men.
Wei Wu +9 more
semanticscholar +1 more source
Journal of Advanced Veterinary and Animal Research, 2023 Objective: The present study analyzed the seminal plasma proteome and possible relationships between proteins and semen quality in azoospermic and normal Simmental bulls.
Abdullah Baharun +6 more
doaj +1 more source