Results 1 to 10 of about 246,990 (196)

The over-representation of binary DNA tracts in seven sequenced chromosomes [PDF]

BMC Genomics, 2004
Background DNA tracts composed of only two bases are possible in six combinations: A+G (purines, R), C+T (pyrimidines, Y), G+T (Keto, K), A+C (Imino, M), A+T (Weak, W) and G+C (Strong, S).
Yagil Gad
doaj   +3 more sources

Change in the karyotype of the embryo as a cause of spontaneous abortion in the first trimester

Вісник Харківського Національного Університету Імені В.Н. Каразіна: Серія Біологія, 2021
Currently, one of the most actual health problems in the world is the problem of a spontaneous abortion. Chromosomal abnormalities are one of the main reasons of early abortion, stillbirth or the birth of a child with multiple congenital malformations ...
O. Feskov, I. Feskova, Ye. Zhylkova, V. Rudenko, O. Blazhko   +4 more
doaj   +1 more source

FISH analysis for chromosomes 13, 16, 18, 21, 22, X and Y in all blastomeres of IVF pre-embryos from 144 randomly selected donated human oocytes and impact on pre-embryo morphology [PDF]

Human Reproduction, 2003
The data are compiled from two multicentre, prospectively randomized studies on the effect of follicular fluid meiosis-activating sterol (FF-MAS) on human oocytes. The donated oocytes were exposed either to test doses of FF-MAS or to control solutions.
S, Ziebe, K, Lundin, A, Loft, C, Bergh, A, Nyboe Andersen, U, Selleskog, D, Nielsen, C, Grøndahl, H, Kim, J-C, Arce   +9 more
openaire   +2 more sources

Quality of Blastocysts Created by Embryo Splitting: A Time-Lapse Monitoring and Chromosomal Aneuploidy Study

Cell Journal, 2020
Objective: The aim of this study was to screen the potential of human embryos to develop into expanding blastocysts following in vitro embryo splitting and then assess the quality of the generated blastocysts based on chromosomal characteristics and ...
Marjan Omidi, Mohammad Ali Khalili, Iman Halvaei, Fatemeh Montazeri, Seyed Mehdi Kalantar   +4 more
doaj   +1 more source

Comparison of chromosomal instability of human amniocytes in primary and long-term cultures in AmnioMAX II and DMEM media: A cross-sectional study

International Journal of Reproductive BioMedicine, 2020
Background: The genomic stability of stem cells to be used in cell therapy and other clinical applications is absolutely critical. In this regard, the relationship between in vitro expansion and the chromosomal instability (CIN), especially in human ...
Seyed Mehdi Hoseini, Fateme Montazeri, Maryam Moghaddam-Matin, Ahmad Reza Bahrami, Hassan Heidarian Meimandi, Saeed Ghasemi-Esmailabad, Seyed Mehdi Kalantar   +6 more
doaj   +1 more source

Human ring chromosome registry for cases in the Chinese population: re-emphasizing Cytogenomic and clinical heterogeneity and reviewing diagnostic and treatment strategies

Molecular Cytogenetics, 2018
Background Constitutional ring chromosomes are rare orphan chromosomal disorders. Ring chromosome syndrome featuring growth retardation and mild to intermediate intellectual disability is likely caused by the dynamic behavior of ring chromosome through ...
Qiping Hu, Hongyan Chai, Wei Shu, Peining Li   +3 more
doaj   +1 more source

The Gender Gap in Pharmaceutical Research

Voices in Bioethics, 2018
“I did what?!” That’s the question more than 1,350 people asked[*1] when reporting adverse effects of Ambien [1]. The accounts became increasingly bizarre – sleep-eating, sleep-walking, sleep-driving.
Elisabeth Armstrong
doaj   +1 more source

Characterization of Acute Myeloid Leukemia With t(16;21) Translocation: Cytogenetic, Molecular, and Immunophenotypic Findings. [PDF]

World J Oncol
Bravo-Davila M, Espinoza-Rodrigez D, Orejon-Huarancca J, Zapata Dongo RJ.   +3 more
europepmc   +1 more source

Spectrum and Clinical Reproductive Significance of Cytogenetic Abnormalities in Infertility and Recurrent Early Pregnancy Loss: A Five-Year Retrospective Study of 10,285 Cases. [PDF]

Cureus
Kunda S, Kasaragadda M, Patibandla S, Singh S, Parvez S, Rao Golla T.   +5 more
europepmc   +1 more source

The formation and propagation of human Robertsonian chromosomes. [PDF]

Nature
de Lima LG, Guarracino A, Koren S, Potapova T, McKinney S, Rhie A, Solar SJ, Seidel C, Fagen BL, Walenz BP, Bouffard GG, Brooks SY, Peterson M, Hall K, Crawford J, Young AC, Pickett BD, Garrison E, Phillippy AM, Gerton JL.   +19 more
europepmc   +1 more source