Results 61 to 70 of about 3,961,344 (359)

Do lifestyle practices impede male fertility?

Andrologia, 2020
Alongside an increasing prevalence of couple and male infertility, evidence suggests there is a global declining trend in male fertility parameters over the past few decades.
K. Leisegang, S. Dutta
semanticscholar   +1 more source

Anti-fertility effect of Aerva lanata crude extract in male Dams offspring: An experimental study

International Journal of Reproductive BioMedicine, 2022
Background: Aerva lanata, a herb used as food and also consumed as a tonic by pregnant women to relieve stomach pains and prevent miscarriage. In addition to other characterized properties, it possesses antifertility and anti-implantation activities ...
Raphael Eguono Uwejigho, Kingsley Afoke Iteire, Felix Udawmojo Enemali   +2 more
doaj   +1 more source

Divergent pathophysiological drivers of polycystic ovary syndrome: insulin resistance independently fuels the hyperandrogenic phenotype whilst neuroendocrine factors dominate non-hyperandrogenic presentations

Frontiers in Endocrinology
BackgroundPolycystic Ovary Syndrome (PCOS) manifests as a heterogeneous disorder, yet the extent to which metabolic dysfunction drives specific phenotypes independent of obesity remains debated.
Xiaoxia Wang, Xiaoxia Wang, Hua Nie, Hua Nie, Rong Cui, Rong Cui, Guifang Ye, Guifang Ye, Ying Tan, Ying Tan, Jing Zhang, Jing Zhang, Biyun Zhang, Biyun Zhang, Xingming Zhong, Xingming Zhong   +15 more
doaj   +1 more source

Impact of environmental toxin exposure on male fertility potential

Translational Andrology and Urology, 2020
Idiopathic infertility is the most common individual diagnosis in male infertility, representing nearly 44% of cases. Research studies dating over the last half-century consistently demonstrate a decline in male fertility that is incompletely explained ...
S. Krzastek, J. Farhi, M. Gray, Ryan P. Smith   +3 more
semanticscholar   +1 more source

Androgen Receptor and Vasopressin Receptor (AVPR1a) Genetic Polymorphisms are not associated with Marital Status or Fertility among Ariaal Men of Northern Kenya [PDF]

, 2009
A growing body of scholarship implicates testosterone and vasopressin in male reproductive behavior, including in humans. Since hormones exert their effects through their respective receptors, an open question has been whether genetic polymorphisms in ...
Benjamin C. Campbell, Dan T. A. Eisenberg, Peter B. Gray   +2 more
core   +2 more sources

Unraveling the Intricacies of the Seminal Microbiome and Its Impact on Human Fertility

Biology
Although the microbial communities from seminal fluid were an unexplored field some decades ago, their characteristics and potential roles are gradually coming to light.
Celia Corral-Vazquez, Joan Blanco, Zaida Sarrate, Ester Anton   +3 more
doaj   +1 more source

Hierarchical classification-based pan-cancer methylation analysis to classify primary cancer

BMC Bioinformatics, 2023
Hierarchical classification offers a more specific categorization of data and breaks down large classification problems into subproblems, providing improved prediction accuracy and predictive power for undefined categories, while also mitigating the ...
Youpeng Yang, Qiuhong Zeng, Gaotong Liu, Shiyao Zheng, Tianyang Luo, Yibin Guo, Jia Tang, Yi Huang   +7 more
doaj   +1 more source

The Role of Zinc in Male Fertility

International Journal of Molecular Sciences, 2020
Several studies proposed the importance of zinc ion in male fertility. Here, we describe the properties, roles and cellular mechanisms of action of Zn2+ in spermatozoa, focusing on its involvement in sperm motility, capacitation and acrosomal exocytosis,
Deborah Allouche-Fitoussi, H. Breitbart
semanticscholar   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

FEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc, Blaž Stres, Mirica Karlovits, Igor Karlovits, Petra Jerič, Ondrej Panák, Anja Verbič, Blaž Likozar, Uroš Novak   +8 more
wiley   +1 more source

Association between single nucleotide polymorphisms, TGF-β1 promoter methylation, and polycystic ovary syndrome

BMC Pregnancy and Childbirth
Background Polycystic ovarian syndrome (PCOS) is a common endocrine and metabolic disease in women. Hyperandrogenaemia (HA) and insulin resistance (IR) are the basic pathophysiological characteristics of PCOS.
Mengge Gao, Xiaohua Liu, Heng Gu, Hang Xu, Wenyao Zhong, Xiangcai Wei, Xingming Zhong   +6 more
doaj   +1 more source