Results 1 to 10 of about 316,099 (294)

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

Leydig cell metabolic disorder act as a new mechanism affecting for focal spermatogenesis in Klinefelter syndrome patients: a real world cross-sectional study base on the age

Frontiers in Endocrinology, 2023
BackgroundKlinefelter’s syndrome (KS) was once considered infertile due to congenital chromosomal abnormalities, but the presence of focal spermatozoa changed this.
Huang Liu, Zhenhui Zhang, Yong Gao, Hai Lin, Zhiyong Zhu, Houbin Zheng, Wenjing Ye, Zefang Luo, Zhaohui Qing, Xiaolan Xiao, Lei Hu, Yu Zhou, Xinzong Zhang   +12 more
doaj   +1 more source

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

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

Sperm storage [PDF]

Current Biology, 2012
(Uploaded by Plazi for the Bat Literature Project) No abstract provided.
Orr, Teri J., Zuk, Marlene
openaire   +2 more sources

The sperm centrioles

Molecular and Cellular Endocrinology, 2020
Centrioles are eukaryotic subcellular structures that produce and regulate massive cytoskeleton superstructures. They form centrosomes and cilia, regulate new centriole formation, anchor cilia to the cell, and regulate cilia function. These basic centriolar functions are executed in sperm cells during their amplification from spermatogonial stem cells ...
Tomer, Avidor-Reiss, Alexa, Carr, Emily Lillian, Fishman   +2 more
openaire   +3 more sources

Functional remodeling of the gut microbiome and metabolome in primary idiopathic male infertility

BMC Microbiology
Background Primary idiopathic male infertility (PIMI) is a complex condition with unclear biological mechanisms. Increasing evidence indicates that gut microbiome-derived functional and metabolic alterations can influence host physiological processes ...
Chen Luo, Hailin Yao, Yang Xian, Tingting Yang, Xiao Xiao, Lijuan Ying, Jinyan Xu, Xuefeng Luo, Dajian Qiu, Yuan Liu, Bo Liu, Fuping Li   +11 more
doaj   +1 more source

Obstetric and perinatal outcomes in pregnancies conceived with donor versus partner sperm: a systematic review and meta-analysis

Frontiers in Endocrinology
BackgroundMale-related factors contribute to 30-40% of infertility cases, with donor sperm serving as a critical solution for severe male infertility or paternally inherited genetic disorders.
Junjie Liu, Yanpeng Dai, Zuozhe Song, Xintao Sun, Dongdong Lv, Dehua Zhao   +5 more
doaj   +1 more source

Integrated profiling of semen microbiota and metabolome reveals dysregulation in primary idiopathic male infertility

Journal of Translational Medicine
Background Primary idiopathic male infertility remains a significant challenge due to its complex etiology and the lack of effective diagnostic tools.
Hailin Yao, Chen Luo, Yang Xian, Bo Liu, Tingting Yang, Run Tian, Xiao Xiao, Wenrui Zhao, Lijuan Ying, Jinyan Xu, Shasha Liu, Yelin Jia, Xuefeng Luo, Dajian Qiu, Yuan Liu, Qinqin Wu, Xiaohong Luo, Zhenmi Liu, Fuping Li   +18 more
doaj   +1 more source

Cryopreservation Does Not Affect the Clinical Pregnancy Rate of Blastocysts Derived from Vitrified Oocytes

Scientific Reports, 2022
Vitrified, or “frozen”, donor eggs can either be fertilized and cultured for fresh transfer (group 1), or fertilized and cryopreserved for transfer in a “frozen embryo transfer” cycle (group 2).
Hadi Ramadan, Tarita Pakrashi, Andrea R. Thurman, Kimball O. Pomeroy, Gerard Celia   +4 more
doaj   +1 more source