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Journal of Pediatric Endocrinology and Metabolism

Editor-in-Chief: Kiess, Wieland

Ed. by Bereket, Abdullah / Darendeliler, Feyza / Dattani, Mehul / Gustafsson, Jan / Luo, Fei Hong / Mericq, Veronica / Ogata, Tsutomu / Toppari, Jorma

12 Issues per year

IMPACT FACTOR 2017: 1.086

CiteScore 2017: 1.07

SCImago Journal Rank (SJR) 2017: 0.465
Source Normalized Impact per Paper (SNIP) 2017: 0.580

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Volume 23, Issue 4


Novel Growth Hormone Receptor Gene Mutation in a Patient with Laron Syndrome

Ahmet Arman / Bilgin Yüksel / Ajda Coker / Ozlem Sarioz / Fatih Temiz / Ali Kemal Topaloglu
Published Online: 2010-09-17 | DOI: https://doi.org/10.1515/jpem.2010.064


Growth Hormone (GH) is a 22 kDa protein that has effects on growth and glucose and fat metabolisms. These effects are initiated by binding of growth hormone (GH) to growth hormone receptors (GHR) expressed in target cells. Mutations or deletions in the growth hormone receptor cause an autosomal disorder called Laron-type dwarfism (LS) characterized by high circulating levels of serum GH and low levels of insulin like growth factor-1 (IGF-1). We analyzed the GHR gene for genetic defect in seven patients identified as Laron type dwarfism. We identified two missense mutations (S40L and W104R), and four polymorphisms (S473S, L526I, G168G and exon 3 deletion). We are reporting a mutation (W104R) at exon 5 of GHR gene that is not previously reported, and it is a novel mutation.

KEY WORDS: Growth Failure; Laron Syndrome; Growth Hormone Receptor

About the article

Corresponding author: Dr. Ahmet Arman,

Published Online: 2010-09-17

Published in Print: 2010-04-01

Citation Information: Journal of Pediatric Endocrinology and Metabolism, Volume 23, Issue 4, Pages 407–414, ISSN (Online) 2191-0251, ISSN (Print) 0334-018X, DOI: https://doi.org/10.1515/jpem.2010.064.

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