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KMID : 1140320220060040218
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Precision and Future Medicine
2022 Volume.6 No. 4 p.218 ~ p.225
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A new era of genetic diagnosis for short stature children: A review
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Kim Yoo-Mi
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Abstract
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Children with short stature are often presented to pediatric endocrinologists. Short stature is defined as the height that is more than two standard deviations below the corresponding mean height for a specific age and sex in a reference population. Endocrine dysfunctions, including growth hormone deficiency/insensitivity, hypothyroidism, cortisol excess, precocious puberty, chronic disease (renal disease, diabetes mellitus, or inflammatory disease), and genetic disorders, should be assessed in patients presenting with short stature. In addition to medical history, physical examination, endocrine study, skeletal survey, and genetic testing are important for identifying the cause of short stature. Based on the next-generation sequencing analysis in patients with short stature, different genes that are unrelated to syndromic or non-syndromic short stature were identified. In particular, the genetic causes of short stature disrupting the growth plates and the pituitary-insulin-like growth factor axis have expanded. In recent years, the molecular level of chondrogenesis in the growth plates, including paracrine signals, extracellular matrix, and fundamental intracellular signals, has been reported. Moreover, new insights into the molecular pathogenesis of short stature are emerging. This article aimed to review the genetic causes of primary growth impairment in idiopathic short stature conditions.
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KEYWORD
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Chondrogenesis, Genetic testing, Growth, Growth plate, High-throughput nucleotide sequencing
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Listed journal information
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