Results 21 to 30 of about 110,198 (324)

On the origin of trisomy 21 Down syndrome [PDF]

open access: yes, 2008
Background: Down syndrome, characterized by an extra chromosome 21 is the most common genetic cause for congenital malformations and learning disability.
Hultén, Maj A.   +6 more
core   +2 more sources

Hypermetabolism in mice carrying a near-complete human chromosome 21

open access: yeseLife, 2023
The consequences of aneuploidy have traditionally been studied in cell and animal models in which the extrachromosomal DNA is from the same species. Here, we explore a fundamental question concerning the impact of aneuploidy on systemic metabolism using ...
Dylan C Sarver   +11 more
doaj   +1 more source

Clinical findings associated with a de novo partial trisomy 10p11.22p15.3 and monosomy 7p22.3 detected by chromosomal microarray analysis. [PDF]

open access: yes, 2011
We present the case of an 18-month-old boy with dysmorphic facial features, developmental delay, growth retardation, bilateral clubfeet, thrombocytopenia, and strabismus, whose array CGH analysis revealed concurrent de novo trisomy 10p11.22p15.3 and ...
Dipple, Katrina M   +3 more
core   +2 more sources

Oral characteristics of Trisomy 8 and monosomy 18: a case report [PDF]

open access: yes, 2011
Several reports described various mosaic chromosomal syndromes characterized by alterations originated by either an excess or deficit in the number of chromosomes.
Campus, Guglielmo Giuseppe   +3 more
core   +1 more source

Studying Abnormal Chromosomal Diseases Using Patient-Derived Induced Pluripotent Stem Cells

open access: yesFrontiers in Cellular Neuroscience, 2020
Chromosomal abnormality causes congenital and acquired intractable diseases. In general, there are no fundamental treatments for these diseases. To establish platforms to develop therapeutics for these diseases, patient-derived induced pluripotent stem ...
Yohei Hayashi   +2 more
doaj   +1 more source

Fetuin A concentration in the second trimester amniotic fluid of fetuses with Trisomy 21 appears to be lower: phenotypic considerations [PDF]

open access: yes, 2012
Objective: We investigated whether the concentration of the glycoprotein fetuin A is altered in the second trimester amniotic fluid of trisomy 21 pregnancies compared with euploid pregnancies. Methods.
Botsis, D.   +7 more
core   +4 more sources

Maternal cell-free DNA-based screening for fetal microdeletion and the importance of careful diagnostic follow-up. [PDF]

open access: yes, 2015
BackgroundNoninvasive prenatal screening (NIPS) by next-generation sequencing of cell-free DNA (cfDNA) in maternal plasma is used to screen for common aneuploidies such as trisomy 21 in high risk pregnancies.
Chu, Tianjiao   +5 more
core   +2 more sources

Distribution of chromosome 18 and X centric heterochromatin in the interphase nucleus of cultured human cells [PDF]

open access: yes, 1990
In situ hybridization of human chromosome 18 and X-specific alphoid DNA-probes was performed in combination with three dimensional (3D) and two dimensional (2D) image analysis to study the interphase distribution of the centric heterochromatin (18c and ...
Agard   +63 more
core   +1 more source

Single umbilical artery: a continuous dilemma and challenge in obstetric management

open access: yesClinical and Experimental Obstetrics & Gynecology, 2021
Background: The single umbilical artery (SUA), an entity with almost unknown etiology, is still subject to discussion regarding its clinical significance, especially when it is an isolated discovery (iSUA).
Oana Sorina Tica   +5 more
doaj   +1 more source

Biomarkers of leukemia risk: benzene as a model. [PDF]

open access: yes, 1998
Although relatively rare, leukemias place a considerable financial burden on society and cause psychologic trauma to many families. Leukemia is the most common cancer in children.
Smith, MT, Zhang, L
core   +3 more sources

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