Results 31 to 40 of about 2,948,023 (230)

Prevalence and patterns of chromosomal abnormalities among Egyptian patients with infertility: a single institution’s 5-year experience

Middle East Fertility Society Journal, 2022
Background Chromosomal abnormalities represent an important cause of human infertility. Little is known about the prevalence of chromosomal abnormalities among Egyptian couples with infertility.
Faeza El-Dahtory, Sohier Yahia, Rabab Ahmed Rasheed, Yahya Wahba   +3 more
doaj   +1 more source

Mosaicism in preimplantation human embryos: when chromosomal abnormalities are the norm

Trends in Genetics, 2017
Along with errors in meiosis, mitotic errors during post-zygotic cell division contribute to pervasive aneuploidy in human embryos. Relatively little is known, however, about the genesis of these errors or their fitness consequences.
R. McCoy
semanticscholar   +1 more source

The prevalence of chromosomal abnormalities in subgroups of infertile men [PDF]

, 2011
BACKGROUND: The prevalence of chromosomal abnormalities is assumed to be higher in infertile men and inversely correlated with sperm concentration. Although guidelines advise karyotyping infertile men, karyotyping is costly, therefore it would be of ...
van Ravenswaaij-Arts, C. M. A., Land, J. A., Dijkhuizen, T., Dul, E. C., J. A. Land, E. C. Dul, J. van Echten-Arends, van Ravenswaaij-Arts, C.M., Dul, E.C., Land, J.A., T. Dijkhuizen, Groen, H., Groen, H.; id_orcid, van Echten-Arends, J., C. M. A. van Ravenswaaij-Arts, H. Groen   +15 more
core   +2 more sources

Chromosomal abnormalities and mental illness

, 2003
Linkage studies of mental illness have provided suggestive evidence of susceptibility loci over many broad chromosomal regions. Pinpointing causative gene mutations by conventional linkage strategies alone is problematic.
MacIntyre, D J, Pickard, B S, Blackwood, D H R, Porteous, D J, Muir, W J   +4 more
core   +4 more sources

Study on Types of Chromosomal Abnormalities among Children and Adolescents in Hamadan

پژوهان, 2021
Aims: Problems caused by chromosomal abnormalities along with long-term disabilities can have devastating effects on the patient, family, health care system and society.
Fatemeh Bahreini, Negar Shamloei, Razieh Amini   +2 more
doaj  

Additional chromosome abnormalities in patients with acute promyelocytic leukemia treated with all-trans retinoic acid and chemotherapy

Haematologica, 2010
Background Acute promyelocytic leukemia is a subtype of acute myeloid leukemia characterized by the t(15;17). The incidence and prognostic significance of additional chromosomal abnormalities in acute promyelocytic leukemia is still a controversial ...
José Cervera, Pau Montesinos, Jesús M. Hernández-Rivas, María J. Calasanz, Anna Aventín, María T. Ferro, Elisa Luño, Javier Sánchez, Edo Vellenga, Chelo Rayón, Gustavo Milone, Javier de la Serna, Concha Rivas, José D. González, Mar Tormo, Elena Amutio, Marcos González, Salut Brunet, Bob Lowenberg, Miguel A. Sanz   +19 more
doaj   +1 more source

Chromosome Abnormalities

Veterinary Clinics of North America: Food Animal Practice, 1993
Chromosome abnormalities have been described in food animals since 1964. Some are self-limiting because they cause sterility or other developmental defects incompatible with normal growth and development, making them unacceptable for production systems.
openaire   +2 more sources

Chromosomal abnormalities as a cause of recurrent abortions in Egypt

, 2011
Background: In 4%-8% of couples with recurrent abortion, at least one of the partners has chromosomal abnormality. Most spontaneous miscarriages which happen in the first and second trimesters are caused by chromosomal abnormalities.
El-Dahtory, Faeza Abdel Mogib
core   +3 more sources

Clinical application of single nucleotide polymorphism microarray analysis in pregnancy loss in Northwest China

Frontiers in Genetics, 2023
Background: Spontaneous abortion is the most common complication of early pregnancy. In this study, we aim to investigate the clinical application value of genetic diagnosis using single nucleotide polymorphism (SNP) microarray analysis on the products ...
ShuYuan Xue, ShuYuan Xue, LiXia Wang, Jie Wei, YuTong Liu, GuiFeng Ding, PengGao Dai   +6 more
doaj   +1 more source

Clinicopathological analysis of polyploid diffuse large B-cell lymphoma. [PDF]

PLoS ONE, 2018
Polyploid chromosomes are those with more than two sets of homologous chromosomes. Polyploid chromosomal abnormalities are observed in various malignant tumors. The prognosis in such cases is generally poor.
Joji Shimono, Hiroaki Miyoshi, Junichi Kiyasu, Tomohiko Kamimura, Tetsuya Eto, Takuto Miyagishima, Koji Nagafuji, Masao Seto, Takanori Teshima, Koichi Ohshima   +9 more
doaj   +1 more source