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Article
Human microphthalmia associated with mutations in the retinal homeobox gene CHX10
Isolated human microphthalmia/anophthalmia, a cause of congenital blindness, is a clinically and genetically heterogeneous developmental disorder characterized by a small eye and other ocular abnormalities. Th...
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Article
Cloning and characterization of human PREB; a gene that maps to a genomic region associated with trisomy 2p syndrome
We have isolated the human homolog of a novel rodent gene that may be involved in the regulation of pituitary gene transcription. The human PREB gene encodes a predicted protein of 417 amino acids, exhibiting...
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Article
Protein-tyrosine phosphatase SH-PTP2 (PTPN11) is localized to 12q24.1–24.3
A 2.1-kb cDNA probe encoding the human SH2-domain containing protein-tyrosine phosphatase SH-PTP2 (PTPN11) was hybridized to human metaphase chromosomes in three independent experiments. In each instance, hybr...
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Article
Human methylenetetrahydrofolate reductase: isolation of cDNA, map** and mutation identification
Methylenetetrahydrofolate reductase (MTHFR) catalyses the reduction of methylenetetrahydrofolate to methyltetrahydrofolate, a cofactor for homocysteine methylation to methionine. MTHFR deficiency, an autosomal...
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Article
Evidence for at least four Fanconi anaemia genes including FACC on chromosome 9
Fanconi anaemia (FA) is a DNA repair disorder characterized by cellular hypersensitivity to DNA cross–linking agents and extensive phenotypic heterogeneity. To determine the extent of genetic heterogeneity pre...
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Article
In situ hybridization studies using a molecular probe that maps to Xq27–Xq28
The locus DXS98, which is recognized by the sequence p4D-8, is closely linked to the FRAXA locus. In this study we present data that confirm the existing map** data, sublocalizing this sequence to the Xq27 r...
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Article
Trisomy 22 in a newborn with multiple malformations
A case of complete trisomy 22 in live-born female child with multiple malformations is reported. The karyotype of the index patient had 46 chromosomes, with one chromosome 22 missing and one supranumerary meta...
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Article
Isolation and characterization of an α-satellite repeated sequence from human chromosome 22
We constructed a library in λIL47.1 with DNA isolated from flow-sorted human chromosome 22. Over 50% of the recombinants contained the same highly repetitive sequence. When this sequence was used to probe Sout...