Intrauterine and postnatal growth failure with normal GH/IGF1 axis and insulin-resistant diabetes in a consanguineous kinship

Jaime Guevara-Aguirre, Marco Guevara-Aguirre, Vivian Hwa, Patricio Prócel, Jeannette Saavedra, Harry Ostrer, Peng Fang, Ron G. Rosenfeld, Sarah Kerns, Arlan L. Rosenbloom

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10 Scopus citations


Objective: To describe the clinical and biochemical features, and perform molecular analysis for candidate abnormalities in a novel familial syndrome of intrauterine growth retardation (IUGR), failure of an adolescent growth spurt with proportional adult short stature, minimal subluxation of the 5th metacarpal-phalangeal joint, and adult-onset insulin-resistant diabetes unrelated to obesity or other manifestations of metabolic syndrome (MS). Design: Detailed clinical history, auxological, biochemical, radiological, and molecular studies, including DNA analysis and in vitro study of the GH/IGF1 pathway. Materials and methods: Ten affected adults from two generations of five related families were studied in detail, and information obtained about nine other likely affected individuals. Results: Height Z-scores ranged from K7.3 to K3.8. Unaffected parents of the older generation and frequency of confirmed and suspected instances of the syndrome in the two generations studied is consistent with autosomal recessive inheritance. Insulin resistance was uniformly present in seven subjects testedwhowere not taking insulin. Diabetes severity did not correlate with overweight. Subjects did not have other typical manifestations of MS such as substantial hyperlipidemia, osteoporosis, or hypertension. No biochemical abnormality in the GH/IGF1 axis or molecular defect was found. Conclusions:While the association of IUGR and adult MS, including diabetes, has beenwell documented, these subjects did not have typical manifestations of MS. Abnormalities in common components that could result in a combination of IUGR, severe postnatal growth, and insulin resistance have been ruled out. A mutation in an unidentified gene may affect intrauterine and postnatal growth, with insulin resistance directly affected or as a result of this growth phenomenon.

Original languageEnglish
Pages (from-to)521-529
Number of pages9
JournalEuropean Journal of Endocrinology
Issue number3
StatePublished - Mar 2012
Externally publishedYes


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