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Yun Jeong Doh  (Doh YJ) 1 Article
A Case of Pseudopseudohypoparathyroidism with Normal Stature.
Sae Rom Kim, Yun Jeong Doh, Hee Kyung Kim, Seong Su Moon, Ju Young Lee, Jae Han Jeon, Soo Won Kim, Bo Wan Kim, In Kyu Lee, Jung Guk Kim
J Korean Endocr Soc. 2009;24(2):138-143.   Published online June 1, 2009
DOI: https://doi.org/10.3803/jkes.2009.24.2.138
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AbstractAbstract PDF
Pseudopseudohypoparathyroidism (PPHP) is characterized by the phenotype of Albright hereditary osteodystrophy (AHO) alone without biochemical evidence of multihormone resistance, which is unlike pseudohypoparathyroidism. AHO is associated with characteristic developmental abnormalities that include a short stocky stature, a short neck, brachydactyly, a round face, central obesity, mental retardation and subcutaneous ossifications. AHO is an autosomal dominant disease that's caused by heterozygous inactivating mutations in the Gsalpha gene (GNAS1). Melanocortin-4 receptor (MC4R) is a hypothalamic Gs-coupled receptor that is thought to mediate the central effect of leptin on satiety. MC4R mutations cause morbid obesity starting in infancy, as well as an elevated leptin level. A 62 year old man with a height of 171.5 cm, a round face, a short neck, central obesity and brachydactyly had normal ranges of serum calcium, phosphorus and PTH and a normal Ellsworth-Howard test. GNAS1 gene analysis revealed substitution of alanine to cysteine in the 165 codon of exon 6 and substitution of alanine to cysteine in the 231 codon of exon 9. Two known SNPs (Cyt-1042Thy, Gua-719Ade) in the MC4R were detected in the patient. We report here on a case of PPHP and the patient had normal stature. We propose that MC4R may have contributed to the obesity & normal stature of this patient.

Citations

Citations to this article as recorded by  
  • Polyglandular Autoimmune Syndrome Type III with Primary Hypoparathyroidism
    Sang Jin Kim, Sang-Yoon Kim, Han-Byul Kim, Hyukwon Chang, Ho-Chan Cho
    Endocrinology and Metabolism.2013; 28(3): 236.     CrossRef
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