Results 1 to 10 of about 566,665 (344)

Post-Thaw Sperm Recovery Rates; A Retrospective Study

Fertility & Reproduction, 2022
Background: Cryopreservation is currently the only fertility preservation option available to patients undergoing gonadotoxic treatment. Much research in the field focusses on techniques, media and equipment employed to cryopreserve cells, and ...
Pui Ying LEUNG, Peter ELLIOT, Jing AN, Yu-Cih SHIH, Aideen KILLEEN   +4 more
doaj   +1 more source

Validation of sORP, a Measure of Oxidative Stress, in Australian Population

Fertility & Reproduction, 2022
Background: Excessive reactive oxygen species are normally eliminated by seminal plasma free radical antioxidant scavengers and enzymes. Assessing the oxidation reduction potential of seminal fluid (mV/million sperm/mL) enables the detection of an ...
Yu-Cih SHIH, Peter ELLIOT, Jing AN, Pui Ying LEUNG, Aideen KILLEEN   +4 more
doaj   +1 more source

External quality assessment scheme for sperm DNA fragmentation: a pilot study in China

Basic and Clinical Andrology, 2023
Background The aim of this article is to establish an external quality assessment (EQA) scheme for sperm Deoxyribonucleic acid (DNA) fragmentation (SDF) detection, and to assess the feasibility of the scheme.
Yan Zheng, Ying-Bi Wu, Ye-Lin Jia, Li-Juan Ying, Ting-Ting Yang, Qing-Yuan Cheng, Jiao Qin, Chen Luo, Lin Yu, Fu-Ping Li   +9 more
doaj   +1 more source

Follicle-stimulating hormone signaling in Sertoli cells: a licence to the early stages of spermatogenesis

Reproductive Biology and Endocrinology, 2022
Follicle-stimulating hormone signaling is essential for the initiation and early stages of spermatogenesis. Follicle-stimulating hormone receptor is exclusively expressed in Sertoli cells.
Jia-Ming Wang, Zhen-Fang Li, Wan-Xi Yang, Fu-Qing Tan   +3 more
doaj   +1 more source

Bladder Neck Obstruction: Experience and Management in a Sperm Bank

Life, 2023
Primary Bladder Neck Obstruction (PBNO) management provides medical and surgical treatment, such as transurethral incisions that can lead to retrograde ejaculation.
Maria Neve Hirsch, Francesco Pallotti, Fabiana Faja, Alessandra Buonacquisto, Gaia Cicolani, Anna Chiara Conflitti, Silvia Di Chiano, Andrea Lenzi, Francesco Lombardo, Donatella Paoli   +9 more
doaj   +1 more source

Extend the Survival of Human Sperm In Vitro in Non-Freezing Conditions: Damage Mechanisms, Preservation Technologies, and Clinical Applications

Cells, 2022
Preservation of human spermatozoa in vitro at normothermia or hypothermia maintaining their functions and fertility for several days plays a significant role in reproductive biology and medicine.
Qingyuan Cheng, Liman Li, Min Jiang, Bo Liu, Yang Xian, Shasha Liu, Xiao Liu, Wenrui Zhao, Fuping Li   +8 more
doaj   +1 more source

Effect of somatometric parameters on the prevalence and severity of varicocele: a systematic review and meta-analysis

Reproductive Biology and Endocrinology, 2021
Background Published studies have shown contradictory results regarding the relationship between somatometric parameters and varicoceles. We performed a systematic review and meta-analysis to investigate the possible effects of age, height, weight, and ...
Runqing Li, Junjie Liu, Yushan Li, Quanxian Wang   +3 more
doaj   +1 more source

Comment on Boitrelle et al. The Sixth Edition of the WHO Manual for Human Semen Analysis: A Critical Review and SWOT Analysis. Life 2021, 11, 1368

Life, 2022
We wish to congratulate Boitrelle and colleagues for their comprehensive critical review on the Sixth Edition of the WHO Laboratory Manual for Human semen examination [...]
Francesco Pallotti, Francesco Lombardo, Donatella Paoli   +2 more
doaj   +1 more source

Cryopreservation of single-sperm: where are we today?

Reproductive Biology and Endocrinology, 2020
Background Patients with severe oligospermia and nonobstructive azoospermia have very limited numbers of viable sperm in their epididymal and testicular samples. Thus, cryopreservation of their sperm is performed to avoid repeated sperm retrievals and to
Shasha Liu, Fuping Li
doaj   +1 more source

By hook or by crook? Morphometry, competition and cooperation in rodent sperm [PDF]

, 2007
Background Sperm design varies enormously across species and sperm competition is thought to be a major factor influencing this variation. However, the functional significance of many sperm traits is still poorly understood.
AH Harcourt, AJ Holloway, BGM Jamieson, BGM Jamieson, CM Lessells, D Haig, DJ Hosken, DM Woolley, ERS Roldan, F Hayashi, FJ Rohlf, FJ Rohlf, GA Parker, GA Parker, Harry D.M. Moore, HDM Moore, HDM Moore, J Cohen, J Cohen, J Sivinski, L McGregor, M Pagel, MJ Anderson, MJ Anderson, RP Freckleton, RR Snook, RS Voss, S Ferson, S Pitnick, SA Ramm, Simone Immler, SP Flaherty, SP Flaherty, T Pizzari, Tim R. Birkhead, Tom Pizzari, TT Smith, WD Hamilton, WG Breed, WG Breed, William G. Breed   +40 more
core   +5 more sources