DNA methylation analysis in immature testicular sperm cells at different developmental stages
M Manning, W Lissens, W Weidner, I Liebaers - Urologia internationalis, 2001 - karger.com
Testicular sperm extraction and intracytoplasmic sperm injection (TESE-ICSI) is a frequently
used therapeutic option in azoospermic males. Genetic imprinting is a mechanism of gene …
used therapeutic option in azoospermic males. Genetic imprinting is a mechanism of gene …
DNA methylation imprinting errors in spermatogenic cells from maturation arrest azoospermic patients
PI Marques, S Fernandes, F Carvalho, A Barros… - …, 2017 - Wiley Online Library
Imprinting errors have been described in spermatozoa from infertile patients with
oligozoospermia and azoospermia. However, little is known about methylation of imprinted …
oligozoospermia and azoospermia. However, little is known about methylation of imprinted …
Imprinting analysis in spermatozoa prepared for intracytoplasmic sperm injection (ICSI)
M Manning, W Lissens, I Liebaers… - … journal of andrology, 2001 - Wiley Online Library
Genetic imprinting is a mechanism of gene regulation by which only one of the parental
copies of a gene is expressed. This process is mediated by the methylation of DNA. As …
copies of a gene is expressed. This process is mediated by the methylation of DNA. As …
[HTML][HTML] Aberrant DNA methylation at imprinted genes in testicular sperm retrieved from men with obstructive azoospermia and undergoing vasectomy reversal
A Minor, V Chow, S Ma - Reproduction, 2011 - rep.bioscientifica.com
Male factor infertility has been associated with abnormal DNA methylation at imprinted
genes. Little information is available on the status of imprinting in the sperm of men with …
genes. Little information is available on the status of imprinting in the sperm of men with …
[HTML][HTML] Methylation defects of imprinted genes in human testicular spermatozoa
CJ Marques, T Francisco, S Sousa, F Carvalho… - Fertility and sterility, 2010 - Elsevier
OBJECTIVE: To study the methylation imprinting marks of two oppositely imprinted genes,
H19 and MEST/PEG1, in human testicular spermatozoa from azoospermic patients with …
H19 and MEST/PEG1, in human testicular spermatozoa from azoospermic patients with …
Genetic imprinting during impaired spermatogenesis
S Hartmann, M Bergmann, RM Bohle… - MHR: Basic science …, 2006 - academic.oup.com
Disorders in genetic imprinting are discussed as potential genetic risk in assisted
reproduction technology (ART), where most of the natural selection mechanisms are …
reproduction technology (ART), where most of the natural selection mechanisms are …
Abnormal methylation of imprinted genes in human sperm is associated with oligozoospermia
CJ Marques, P Costa, B Vaz, F Carvalho… - MHR-Basic Science …, 2008 - academic.oup.com
Genomic imprinting marks in the male germ line are already established in the adult
germinal stem cell population. We studied the methylation patterns of H19 and MEST …
germinal stem cell population. We studied the methylation patterns of H19 and MEST …
Epigenetic germline mosaicism in infertile men
S Laurentino, J Beygo, V Nordhoff… - Human molecular …, 2015 - academic.oup.com
Imprinted genes are expressed either from the paternal or the maternal allele, because the
other allele has been silenced in the mother's or father's germline. Imprints are characterized …
other allele has been silenced in the mother's or father's germline. Imprints are characterized …
Sperm DNA methylation of H19 imprinted gene and male infertility
Infertility affects up to 15% of reproductive‐aged couples worldwide, with male factor being
detected in 40%–50% of the cases. Proper sperm production is associated with the …
detected in 40%–50% of the cases. Proper sperm production is associated with the …
[HTML][HTML] Poor semen parameters are associated with abnormal methylation of imprinted genes in sperm DNA
B Song, Y Chen, C Wang, G Li, Z Wei, X He… - Reproductive Biology …, 2022 - Springer
Background Altered sperm DNA methylation patterns of imprinted genes as well as certain
spermatogenesis-related genes has been proposed as a possible mechanism of male …
spermatogenesis-related genes has been proposed as a possible mechanism of male …
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