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21q21.3

A chromosome band present on 21q
National Institutes of Health

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21qAPP wt AlleleChromosomes

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2019
2019
Tetrasomy 21 pter→q21.3 due to an extra +dic(21;21)mat in a severely psychomotor-retarded female patient without down syndrome phenotype.
2019
2019
Клинико-генетический анализ синдрома Дауна у пациентов, зарегистрированных в монгольской ассоциации синдрома Дауна
Aim: to conduct a cytogenetic study using cryotyping, MLPA, FISH, to study the relationship of polymorphisms of theGATA1 gene in… 
2014
2014
Characterization of human gene locus CYYR1: a complex multi-transcript system
Cysteine/tyrosine-rich 1 (CYYR1) is a gene we previously identified on human chromosome 21 starting from an in-depth… 
Review
2013
Review
2013
Partial trisomy and tetrasomy of chromosome 21 without Down Syndrome phenotype and short overview of genotype-phenotype correlation. A case report.
AIMS Trisomy of chromosome 21 is associated with Down syndrome (DS) - the commonest genetic cause of mental retardation. We… 
2011
2011
Association of Genetic Markers with Mental Retardation
Abstract Five red cell genetic markers namely, acid phosphatase locus 1 (ACP1), esterase D (ESD), glyoxalase locus 1 (GLO1… 
1995
1995
Physical findings in 21q22 deletion suggest critical region for 21q- phenotype in q22.
Multiple abnormalities were observed in a newborn infant with a deletion in the long arm of chromosome 21, from band 22q22.1… 
1992
1992
Isolation, characterization, and regional mapping of microclones from a human chromosome 21 microdissection library.
Thirty-four unique-sequence microclones were isolated from a previously described microdissection library of human chromosome 21… 
1991
1991
Possible mapping of the gene for transient myeloproliferative syndrome at 21q11.2
SummaryThe parental origin of the extra chromosome 21 was studied in 20 patients with trisomy 21-associated transient… 
1988
1988
Regional assignment of six polymorphic DNA sequences on chromosome 21 by in situ hybridization to normal and rearranged chromosomes.
We have assigned six polymorphic DNA segments to chromosomal subregions and have established the physical order of these… 
1977
1977
Partial trisomy 20 (20q13) and partial trisomy 21 (21pter leads to 21q21.3).
A patient with a double partial trisomy 20 and 21 with mild mental retardation and multiple congenital anomalies is presented… 
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