NA16881
DNA from Fibroblast
Description:
BLOOM SYNDROME; BLM
RECQ PROTEIN-LIKE 3; RECQL3
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Repository
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NIGMS Human Genetic Cell Repository
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| Subcollection |
Heritable Diseases
Hereditary Cancers |
| Class |
Repair Defective and Chromosomal Instability Syndromes |
| Class |
Syndromes with Increased Chromosome Breakage |
| Quantity |
10 µg |
| Quantitation Method |
Please see our FAQ |
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Biopsy Source
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Unspecified
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Cell Type
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Fibroblast
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Tissue Type
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Skin
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Transformant
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Untransformed
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Sample Source
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DNA from Fibroblast
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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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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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| PDL at Freeze |
6.88 |
| Passage Frozen |
15 |
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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 |
RECQL3 |
| Chromosomal Location |
15q26.1 |
| Allelic Variant 1 |
fs:974+23-X; BLOOM SYNDROME |
| Identified Mutation |
2923delC |
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| Gene |
RECQL3 |
| Chromosomal Location |
15q26.1 |
| Allelic Variant 2 |
fs:974+23-X; BLOOM SYNDROME |
| Identified Mutation |
2923delC |
| Remarks |
Clinically affected; B. S. Registry # 6; born at term; birth weight = 2,116 grams; at age 18 years; weight = 35 kg, height = 143 cm; sun sensitive facial telangiectasias; cafe-au-lait spots; squamous cell carcinoma of the epiglottis; disseminated lymphoma; died at age 30; elevated sister chromatid exchange; increased chromosome breakage; culture established from skin specimen taken at autopsy; donor subject is homozygous for a 1-bp deletion at nucleotide 2923 of the RECQL3 gene [2923delC] resulting in a frameshift [fs:974+23-X]. |
| German J, Sanz MM, Ciocci S, Ye TZ, Ellis NA, Syndrome-causing mutations of the BLM gene in persons in the Bloom's Syndrome Registry Human mutation28:743-53 2007 |
| PubMed ID: 17407155 |
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| German J, Bloom D, Passarge E, Bloom's syndrome. V. Surveillance for cancer in affected families. Clin Genet12:162-8 1977 |
| PubMed ID: 908169 |
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