Description:
FRAGILE X MENTAL RETARDATION SYNDROME
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Repository
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NIGMS Human Genetic Cell Repository
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| Subcollection |
Heritable Diseases
Chromosome Abnormalities |
| Class |
Disorders with Trinucleotide Expansions |
| Class |
X Chromosome Markers |
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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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Family Member
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1
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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,XY[19]
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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 |
4.87 |
| Passage Frozen |
7 |
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| IDENTIFICATION OF SPECIES OF ORIGIN |
Species of Origin Confirmed by Chromosome Analysis |
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| Remarks |
Moderate mental retardation; large ears & long face with prognathic appearance; undefined connective tissue dysplasia; 50% of lymphocytes and 12% of fibroblasts show 46,fra(X)(q27),Y with FudR |
| Sharma SD, Reddy BK, Pal R, Ritakari TE, Cooper JD, Selvaraj BT, Kind PC, Chandran S, Wyllie DJA, Chattarji S, Astrocytes mediate cell non-autonomous correction of aberrant firing in human FXS neurons Cell reports42:112344 2022 |
| PubMed ID: 37018073 |
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| Chakraborty A, Jenjaroenpun P, Li J, El Hilali S, McCulley A, Haarer B, Hoffman EA, Belak A, Thorland A, Hehnly H, Schildkraut C, Chen CL, Kuznetsov VA, Feng W, Replication Stress Induces Global Chromosome Breakage in the Fragile X Genome Cell reports32:108179 2020 |
| PubMed ID: 32966779 |
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| Kumari D, Sciascia N, Usdin K, Small Molecules Targeting H3K9 Methylation Prevent Silencing of Reactivated Genes11:108179 2020 |
| PubMed ID: 32230785 |
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| Sapozhnikov DM, Szyf M, Unraveling the functional role of DNA demethylation at specific promoters by targeted steric blockage of DNA methyltransferase with CRISPR/dCas9 Nature communications12:5711 2020 |
| PubMed ID: 34588447 |
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| Das Sharma S, Pal R, Reddy BK, Selvaraj BT, Raj N, Samaga KK, Srinivasan DJ, Ornelas L, Sareen D, Livesey MR, Bassell GJ, Svendsen CN, Kind PC, Chandran S, Chattarji S, Wyllie DJA, Cortical neurons derived from human pluripotent stem cells lacking FMRP display altered spontaneous firing patterns Molecular autism11:52 2019 |
| PubMed ID: 32560741 |
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| Ramaiah M, Tan K, Plank TM, Song HW, Dumdie JN, Jones S, Shum EY, Sheridan SD, Peterson KJ, Gromoll J, Haggarty SJ, Cook-Andersen H, Wilkinson MF, A microRNA cluster in the Fragile-X region expressed during spermatogenesis targets FMR1 EMBO Reports11:52 2018 |
| PubMed ID: 30573526 |
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| Gray SJ, Gerhardt J, Doerfler W, Small LE, Fanning E, An origin of DNA replication in the promoter region of the human fragile X mental retardation (FMR1) gene Molecular and cellular biology27:426-37 2006 |
| PubMed ID: 17101793 |
| Passage Frozen |
7 |
| Split Ratio |
1:2 |
| Temperature |
37 C |
| Percent CO2 |
5% |
| Percent O2 |
AMBIENT |
| Medium |
Eagle's Minimum Essential Medium with Earle's salts and non-essential amino acids with 2mM L-glutamine or equivalent |
| Serum |
15% fetal bovine serum Not inactivated |
| Supplement |
- |
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