Rare Gene Mutations Causing Parathyroid Disorders: A Review.

07:00 EST 1st March 2020 | BioPortfolio

Summary of "Rare Gene Mutations Causing Parathyroid Disorders: A Review."

Since parathyroid hormone () was first isolated and its gene () was sequenced, only eight mutations have been discovered. The C18R mutation in , discovered in 1990, was the first to be reported. This autosomal dominant mutation induces endoplasmic reticulum stress and subsequent apoptosis in parathyroid cells. The next mutation, which was reported in 1992, is associated with exon skipping. The substitution of G with C in the first nucleotide of the second intron results in the exclusion of the second exon; since this exon includes the initiation codon, translation initiation is prevented. An S23P mutation and an S23X mutation at the same residue were reported in 1999 and 2012, respectively. Both mutations resulted in hypoparathyroidism. In 2008, a somatic R83X mutation was detected in a parathyroid adenoma tissue sample collected from a patient with hyperparathyroidism. In 2013, a heterozygous p.Met1_Asp6del mutation was incidentally discovered in a case-control study. Two years later, the R56C mutation was reported; this is the only reported hypoparathyroidism-causing mutation in the mature bioactive part of . In 2017, another heterozygous mutation, M14K, was detected. The discovery of these eight mutations in the gene has provided insights into its function and broadened our understanding of the molecular mechanisms underlying mutation progression. Further attempts to detect other such mutations will help elucidate the functions of PTH in a more sophisticated manner.


Journal Details

This article was published in the following journal.

Name: Endocrinology and metabolism (Seoul, Korea)
ISSN: 2093-5978
Pages: 64-70


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Medical and Biotech [MESH] Definitions

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