Results 161 to 170 of about 2,311 (205)

Effect of Sperm DNA Fragmentation and Chromatin Decondensation on PLCζ Efficacy in Infertile Patients. [PDF]

Curr Issues Mol Biol
Azil S, Kaarouch I, Montjean D, Pagé MG, Cabry R, Louanjli N, Ghazi B, Benkhalifa M.   +7 more
europepmc   +1 more source

Distal Snare Fishing (DSF): A New Method for Successful Wire Retrieval: Navigating Retrieval Strategies Like Fishing for the Perfect Catch. [PDF]

Clin Case Rep
Dumitrascu S, Santos IA, Bentakhou E, Ungureanu C.   +3 more
europepmc   +1 more source

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Intracytoplasmic sperm injection in partial globozoospermia

Fertility and Sterility, 2012
To compare the outcome of intracytoplasmic sperm injection (ICSI) in patient couples where the male partner has partial globozoospermia with the outcome in a general ICSI population.Case-control study.Center for Reproductive Medicine, Radboud University Nijmegen Medical Center, the Netherlands, a tertiary referral center.Between 1997 and 2005, 42 ...
Jan A M Kremer
exaly   +4 more sources

Globozoospermia is associated with chromatin structure abnormalities: Case report [PDF]

Human Reproduction, 2002
A recent study has shown normal sperm chromatin structure in a patient with globozoospermia. However, the poor success rate following intracytoplasmic sperm injection (ICSI) with the use of this sperm suggests that sperm nuclear abnormalities may be present.
Enzo Vicari, Aldo E Calogero
exaly   +4 more sources

Globozoospermia syndrome: An update

Andrologia, 2019
Among the factors involved in male infertility, there is a rare morphology disorder called "globozoospermia" that is classified into total globozoospermia and partial globozoospermia (type I and type II, respectively). This syndrome is primarily characterised by the presence of round-headed spermatozoa with cytoskeleton defects around the nucleus and ...
Farzaneh Fesahat, Ralf Henkel, Ashok Agarwal   +2 more
openaire   +2 more sources

Globozoospermia Syndrome : Two Case Reports

Lebanese Medical Journal, 2014
Globozoospermia is a rare but severe cause of male infertility. The presence of 100% round-headed spermatozoa and lack of acrosome are the diagnostic criteria of total globozoospermia. The pathogenesis of globozoospermia most probably originates in spermiogenesis, specifically in acrosome formation and sperm head elongation.
Sanam, Moradan, Behpour, Yousefi
openaire   +2 more sources

Evaluation and treatment of familial globozoospermia in five brothers

Fertility and Sterility, 2004
To document the pathology of five siblings with complete globozoospermia and to report the effectiveness of repeated intracytoplasmic sperm injection (ICSI) treatment as therapy.Case report.A tertiary center for assisted reproduction.Five siblings with globozoospermia.Twenty cycles of repeated ICSI treatment.
Christopher L R Barratt
exaly   +4 more sources

Chromatin Structure in Globozoospermia: A Case Report

Journal of Andrology, 2001
ABSTRACT: Sperm nuclear abnormalities in patients with globozoospermia have not been well characterized and may lead to the high rates of fertilization failure and embryo loss reported in patients with this form of teratozoospermia. This study used transmission electron microscopy (TEM), the sperm chromatin structure assay (SCSA), and single cell gel ...
K L, Larson, J D, Brannian, N P, Singh, J A, Burbach, L K, Jost, K P, Hansen, D O, Kreger, D P, Evenson   +7 more
openaire   +2 more sources

Association between total globozoospermia and sperm chromatin defects

Andrologia, 2017
Globozoospermia is a severe sperm morphological anomaly leading to primary infertility and low fertilisation following intracytoplasmic sperm injection (ICSI). This phenotype is observed in less than 0.1% of infertile men and is determined by small, round-headed spermatozoa with absence of an acrosomal cap, acrosome protease and also cytoskeletal ...
N. Eskandari, M. Tavalaee, D. Zohrabi, M. H. Nasr-Esfahani   +3 more
openaire   +2 more sources