Description:
TRISOMY 21
NIA AGING CELL REPOSITORY DNA PANEL - DOWN SYNDROME
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Repository
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NIA Aging Cell Culture Repository
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| Subcollection |
Chromosome Abnormalities
Heritable Diseases |
| Quantity |
10 µg |
| Quantitation Method |
Please see our FAQ |
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Biopsy Source
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Peripheral vein
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Cell Type
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B-Lymphocyte
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Tissue Type
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Blood
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Transformant
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Epstein-Barr Virus
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Sample Source
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DNA from LCL
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Relation to Proband
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proband
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Confirmation
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Clinical summary/Case history
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ISCN
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47,XX,+21
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Species
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Homo sapiens
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Common Name
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Human
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Remarks
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| IDENTIFICATION OF SPECIES OF ORIGIN |
Species of Origin Confirmed by Nucleoside Phosphorylase,Glucose-6-Phosphate Dehydrogenase, and Lactate Dehydrogenase Isoenzyme Electrophoresis |
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| Gene |
APOE |
| Chromosomal Location |
19q13.2 |
| Allelic Variant 1 |
107741.0015; APOE3 ISOFORM |
| Identified Mutation |
CYS112 AND ARG158; Weisgraber et al. [J. Biol. Chem. 256: 9077-9083 (1981)] and Rall et al. [Proc. Nat. Acad. Sci. 79: 4696-4700 (1982)] identified one of the 3 major apolipoprotein E isoforms, apolipoprotein E3. The variant has Cys112 and Arg158. This is the most common variant, with frequencies of 40% to 90% in various populations. |
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| Gene |
APOE |
| Chromosomal Location |
19q13.2 |
| Allelic Variant 2 |
107741.0016; APOE4 ISOFORM |
| Identified Mutation |
CYS112ARG; Weisgraber et al. [J. Biol. Chem. 256: 9077-9083 (1981)], Das et al. [J. Biol. Chem. 260: 6240-6247 (1985)] and Paik et al. [Proc. Nat. Acad. Sci. 82: 3445-3449 (1985)] identified the apolipoprotein E4 isoform in which there is a Cys112-to-Arg substitution. This variant is found in 6% to 37% of individuals from different populations. |
| Remarks |
Down syndrome. The APOE genotype of the donor subject is E3/E4. |
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