Description:
RING CHROMOSOME
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Repository
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NIGMS Human Genetic Cell Repository
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| Subcollection |
Chromosome Abnormalities |
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Cell Type
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Fibroblast
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Transformant
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Untransformed
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Race
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White
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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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46,XX dic, r(21)[36]/45,XX,-21[10]/46,XX,r(21)[4]
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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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| Passage Frozen |
3 |
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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 and by Chromosome Analysis |
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| Remarks |
Ring chromosomes present in 88% of cells; in 72% the r(21) was double the expected size & in 8% it was not possible to assign to a size class; slow growing culture |
| Passage Frozen |
3 |
| Split Ratio |
1:5 |
| Temperature |
37 C |
| Percent CO2 |
5% |
| Medium |
Ham's F12 with 2mM L-glutamine or equivalent |
| Serum |
15% fetal bovine serum Not inactivated |
| Substrate |
None specified |
| Subcultivation Method |
trypsin-EDTA |
| Supplement |
- |
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