Results 71 to 80 of about 489,854 (362)

Effect of seven oriental herbs mixture (Jogyeongbohyeoldan) on the restoration of ovarian aging in aged mice

Clinical and Experimental Obstetrics & Gynecology, 2021
Purpose of Investigation: Ovarian aging remains a difficult problem in infertility treatment. The traditional oriental herbs have been widely used for female infertility treatment.
Jong-Kil Joo, Chae-Hak Lim, MinJung Park, HyeonJeong Kim, Chang-Woon Kim, Chul-Hee Yoon, Jeong-Eun Yoo, BoSun Joo   +7 more
doaj   +1 more source

Clinical utility of sperm DNA fragmentation testing: practice recommendations based on clinical scenarios

Translational Andrology and Urology, 2017
Recent studies show that spermatozoal DNA integrity is essential for normal fertilization and transmission of paternal genetic information to the offspring.
M. Basar, S. Kahraman
semanticscholar   +1 more source

Male scorpionflies assess the amount of rival sperm transferred by females' previous mates

, 2007
Engqvist L. Male scorpionflies assess the amount of rival sperm transferred by females' previous mates. Evolution. 2007;61(6):1489-1494.Theory predicts that when sperm compete numerically, selection will favor males who vary the number of sperm they ...
Engqvist, Leif ; https://orcid.org/
core   +1 more source

Paternal Circadian Disruption Impairs Offspring Cognition via Sperm microRNAs

Advanced Science, EarlyView.
Paternal circadian disruption remodels the sperm small RNA payload, elevating miR‐92a‐3p/miR‐25‐3p levels and perturbing early embryonic gene regulatory programs. Microinjection experiments and single‐embryo transcriptomics reveal sex‐specific developmental vulnerabilities, ultimately impairing offspring hippocampal synaptic plasticity and cognition ...
Kexin Zou, Sisi Luo, Binliang Tang, Zhiqiang Liu, Yuchuan Zhou, Yicong Meng, Zhengmu Wu, Zheng Sun, Weihui Shi, Jianzhong Sheng, Chuanjin Yu, Zhenhua Li, Siyi Wei, Mo Zhang, Yujie Luo, Jing Yan, Xueyun Qin, Jiahang Mo, Chengliang Zhou, Jinsong Li, Hefeng Huang, Yifu Ding, Guolian Ding   +22 more
wiley   +1 more source

Does the FNA sperm retrieval failure prediction model work well for current NOA individuals undertaking risk screening before the operation? Model validation, high-risk population identification and potential alternative sperm retrieval exploration

BMC Medical Informatics and Decision Making
Background Non-obstructive azoospermia (NOA), the severe type of male infertility. The objective of this study was to evaluate the predictive accuracy of a prediction model of sperm retrieval failure with fine needle aspiration (FNA).
Xiaohui Jiang, Dingming Li, Yi Zheng, Yinxian Li, Hengzhou Bai, Guicheng Zhao, Yi Zhang, Yue Ma   +7 more
doaj   +1 more source

Tight junction between endothelial cells: the interaction between nanoparticles and blood vessels

Beilstein Journal of Nanotechnology, 2016
Since nanoparticles are now widely applied as food additives, in cosmetics and other industries, especially in medical therapy and diagnosis, we ask here whether nanoparticles can cause several adverse effects to human health.
Yue Zhang, Wan-Xi Yang
doaj   +1 more source

Age-specific and sex-specific reference intervals for non-fasting lipids and apolipoproteins in 7260 healthy Chinese children and adolescents measured with an Olympus AU5400 analyser: a cross-sectional study

BMJ Open, 2019
Aims Ethnic, demographic, lifestyle, genetic and environmental factors influence lipids and apolipoproteins. The aim of this study was to establish age-specific and gender-specific reference intervals for non-fasting lipids and apolipoproteins in healthy
Junjie Liu, Yanpeng Dai, Enwu Yuan, Yushan Li, Quanxian Wang, Linkai Wang, Yanhua Su   +6 more
doaj   +1 more source

A pathogenic variant in the uncharacterized RNF212B gene results in severe aneuploidy male infertility and repeated IVF failure

HGG Advances, 2023
Summary: Quantitative and qualitative spermatogenic impairments are major causes of men’s infertility. Although in vitro fertilization (IVF) is effective, some couples persistently fail to conceive.
Moran Gershoni, Tslil Braun, Ron Hauser, Shimi Barda, Ofer Lehavi, Mira Malcov, Tsvia Frumkin, Yael Kalma, Shmuel Pietrokovski, Eli Arama, Sandra E. Kleiman   +10 more
doaj   +1 more source

Cellular Cargo Delivery: Toward Assisted Fertilization by Sperm-Carrying Micromotors.

Nano letters (Print), 2016
We present artificially motorized sperm cells-a novel type of hybrid micromotor, where customized microhelices serve as motors for transporting sperm cells with motion deficiencies to help them carry out their natural function.
M. Medina‐Sánchez, Lukas Schwarz, Anne K. Meyer, Franziska Hebenstreit, O. Schmidt   +4 more
semanticscholar   +1 more source

Theoretical influence of female mating status and remating propensity on male sperm allocation patterns

, 2006
Engqvist L, Reinhold K. Theoretical influence of female mating status and remating propensity on male sperm allocation patterns. JOURNAL OF EVOLUTIONARY BIOLOGY.
Reinhold, Klaus, L. ENGQVIST, K. REINHOLD, Engqvist, Leif ; https://orcid.org/   +3 more
core   +1 more source