Severe Growth Hormone Deficiency in an Indian Boy Caused by a Novel 6 Kb Homozygous Deletion Spanning the Gene

Overview

Journal J Clin Res Pediatr Endocrinol

Specialties Endocrinology
Pediatrics

Date 2023 Feb 2

PMID 36728277

Authors

Basma Haris

Idris Mohammed

Umm-Kulthum Ismail Umlai

Diksha Shirodkar

Khalid Hussain

Affiliations

Soon will be listed here.

Abstract

Growth disorders resulting in extreme short stature (ESS) are often a result of deficiency in growth hormone (GH) released from the pituitary gland or a defective GH releasing receptor. Genetic defects in the and genes account for around 11.1-20% of ESS cases, resulting in a rare condition called isolated GH deficiency (IGHD). We describe the characterization of a genetic defect discovered in a 3-year-old male patient with ESS, developmental failure and undetectable serum levels of GH. There was a family history of short stature, with both parents being short. Whole genome sequencing of the patient DNA revealed a large, novel 6 kb homozygous deletion spanning the entire gene in the patient. While the deletion was homozygous in the proband, it was present in the heterozygous state in the parents. Thus, we report a novel homozygous deletion including the gene leading to IGHD-type 1A associated with ESS.

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