Cited by 46Thyroid Disorders and TreatmentsPituitary Gland Disorders and TreatmentsGrowth Hormone and Insulin-like Growth Factors

The multiple genetic causes of central hypothyroidism

Persani, Luca, Bonomi, Marco·2017·Best Practice & Research Clinical Endocrinology & Metabolism

Abstract

An insufficient stimulation by thyrotropin (TSH) of an otherwise normal thyroid gland represents the cause of Central Hypothyrodism (CeH). CeH is about 1000-folds rarer than Primary Hypothyroidism and often represents a real challenge for the clinicians, mainly because they cannot rely on adequately sensitive parameters for diagnosis or management, as it occurs with circulating TSH in PH. Therefore, CeH diagnosis can be frequently missed or delayed in patients with a previously unknown pituitary involvement. A series of genetic defects have been described to account for isolated CeH or combined pituitary hormone defects (CPHDs) with variable clinical characteristics and degrees of severity. The recently identified candidate gene IGSF1 appears frequently involved. This review provides an updated illustration of the different genetic defects accounting for CeH.

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Crossref · 10.1016/j.beem.2017.04.003

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  • The most frequently identified mutations associated with multiple pituitary hormone deficiency are in PROP1.

    “The most frequently identified mutations associated with MPHD are in PROP1 [27, 34-37].”
  • Mental retardation can be particularly severe in case of delay in diagnosis of isolated congenital CeH associated with biallelic TSHβ mutations, due to false-negative results of neonatal TSH screening for primary thyroid defects.

    “Mental retardation can be particularly severe in case of delay in the diagnosis of isolated congenital CeH associated with biallelic TSHβ mutations, due to the false-negative results of the neonatal TSH screening for primary thyroid defects (3, 20, 21, 22, 23, 24, 25).”
  • Progressive onset of thyrotrope defect beyond the critical neonatal period can be not infrequently seen in several genetic CeH cases.

    “However, a progressive onset of the thyrotrope defect beyond the critical neonatal period can be not infrequently seen in several of these genetic CeH cases (3, 9, 28, 30).”

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Authors
Persani, L., & Bonomi, M.
Affiliations
University of Milan (IT)
Corresponding author
Persani, Luca
Venue
Best Practice & Research Clinical Endocrinology & Metabolism
Publisher
Elsevier BV
Published
2017-03
Volume
31
Issue
2
Pages
255-263
ISSN
1521-690X (ISSN-L)
OpenAlex
W2607142792
Cited by
46
References
47
Citations by year
2026: 4 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 8 · 2021: 2 · 2020: 4 · 2019: 6 · 2018: 7 · 2017: 3 · 2015: 1
FWCI
0.80
Type
journal article
Language
en
Open access
closed
Locations
  • Best Practice & Research Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pituitary Gland Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
Keywords
central hypothyroidism, thyroid-stimulating hormone, TSH deficiency, combined pituitary hormone deficiency, genetic disorders, IGSF1, pituitary disorders
MeSH terms
Diagnosis, Differential, Humans, Hypothyroidism, Pituitary Diseases, Pituitary Gland, Thyrotropin, Genetic Heterogeneity

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