Whole exome, clinical exome and targeted panel testing can name the disorder behind severe bone and cartilage defects, including COL2A1 and CREB3L1 findings.
Genetic testing for LDL-C QTL7 aims to spot variants that push cholesterol up, informing treatment choices, family planning and research into new therapies.
A quantitative trait locus linked to LDL cholesterol, LDL-QTL8 is examined through FADS1 and PCSK9 research, with notes on risk assessment and treatment choices.
Reduced calcitriol can underlie hypophosphatemic rickets, osteomalacia and hypocalcaemia; the page covers diagnosis and a CASR mutation found in one family.
Germline and somatic KIT changes both shape mastocytosis; D816V appears in about 90% of adults with the systemic form, and tyrosine kinase inhibitors target it.
Mutations in the ARSA gene reduce arylsulfatase A, letting sulfatides build up in myelin; the page covers diagnosis, exome sequencing and carrier testing.
Making up under 1% of prostate cancers, mPSCC may arise from castration-resistant adenocarcinoma; 18F-FDG PET/CT and repeat biopsy aid diagnosis.
MMACHC and PRDX1 changes underlie the digenic cblC type, which can bring developmental delays, neurological problems and bull's eye macular lesions.