Cited by 26Pancreatic function and diabetesDiabetes and associated disordersDiabetes Management and Research

Gender and neurogenin3 influence the pathogenesis of ketosis‐prone diabetes

Louet, J.‐F., Smith, S. B., Gautier, J.‐F., Molokhia, M., Virally, M.‐L., Kevorkian, J.‐P., Guillausseau, P.‐J., Vexiau, P. +5 more·2008·Diabetes, Obesity and Metabolism

Abstract

Ketosis‐prone diabetes (KPD) is a phenotypically defined form of diabetes characterized by male predominance and severe insulin deficiency. Neurogenin3 (NGN3) is a proendocrine gene, which is essential for the fate of pancreatic β cells. Mice lacking ngn3 develop early insulin‐deficient diabetes. Thus, we hypothesized that gender and variants in NGN3 could predispose to KPD. We have studied clinical and metabolic parameters according to gender in patients with KPD (n = 152) and common type 2 diabetes (T2DM) (n = 167). We have sequenced NGN3 in KPD patients and screened gene variants in T2DM and controls (n = 232). In KPD, male gender was associated with a more pronounced decrease in β‐cell insulin secretory reserve, assessed by fasting C–peptide [mean (ng/ml) ± s.d., M: 1.1 ± 0.6, F: 1.5 ± 0.9; p = 0.02] and glucagon‐stimulated C–peptide [mean (ng/ml) ± s.d., M: 2.2 ± 1.1, F: 3.1 ± 1.7; p = 0.03]. The rare affected females were in an anovulatory state. We found two new variants in the promoter [−3812T/C (af: 2%) and −3642T/C (af: 1%)], two new coding variants [S171T (af: 1%) and A185S (af: 1%)] and the variant already described [S199F (af: 69%)]. These variants were not associated with diabetes. Clinical investigation revealed an association between 199F and hyperglycaemia assessed by glycated haemoglobin [HbA1c (%, ±s.d.) S199: 12.6 ± 1.6, S199F: 12.4 ± 1.4 and 199F: 14.1 ± 2.2; p = 0.01]. In vitro , the P171T, A185S and S199F variants did not reveal major functional alteration in the activation of NGN3 target genes. In conclusion, male gender, anovulatory state in females and NGN3 variations may influence the pathogenesis of KPD in West Africans. This has therapeutic implications for potential tailored pharmacological intervention in this population.

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Crossref · 10.1111/j.1463-1326.2007.00830.x

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  • In ketosis-prone diabetes, women are protected unless they are in a hypoestrogenic state.

    “In ketosis-prone diabetes, women are protected unless they are in a hypoestrogenic state [43, 45].”

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Authors
Louet, J. ‐., Smith, S. B., Gautier, J. ‐., Molokhia, M., Virally, M. ‐., Kevorkian, J. ‐., Guillausseau, P. ‐., Vexiau, P., Charpentier, G., German, M. S., Vaisse, C., Urbanek, M., & Mauvais‐Jarvis, F.
Affiliations
  • Baylor College of Medicine (US)
  • University of California, San Francisco (US)
  • Université Paris Cité (FR)
  • London School of Hygiene & Tropical Medicine (GB)
  • Centre Hospitalier Sud Francilien (FR)
  • Northwestern University (US)
Corresponding author
Mauvais‐Jarvis, F.
Venue
Diabetes, Obesity and Metabolism
Publisher
Wiley
Published
2008-09-15
Volume
10
Issue
10
Pages
912-920
ISSN
  • 1462-8902 (ISSN-L)
  • 1463-1326
OpenAlex
W2019676137
Cited by
26
References
37
Citations by year
2026: 2 · 2024: 1 · 2023: 2 · 2021: 1 · 2018: 2 · 2017: 3 · 2016: 1 · 2015: 5 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
1.76
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes Obesity and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK021344, R21DK069362, R01DK074970)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD044405)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
KPD, neurogenin 3, sex differences, anovulation, insulin secretion, beta-cell function, C-peptide, type 2 diabetes, promoter polymorphism, HbA1c, hyperglycemia, pancreatic beta cells, genetic susceptibility, insulin deficiency
MeSH terms
Insulin Secretion, Adult, Anovulation, C-Peptide, Diabetes Mellitus, Type 2, Female, Genotype, Glucagon, Humans, Insulin, Male, Middle Aged, Nerve Tissue Proteins, Promoter Regions, Genetic, Sex Factors, Biomarkers, Gene Expression, Chi-Square Distribution, Case-Control Studies, Diabetic Ketoacidosis, Black People, Basic Helix-Loop-Helix Proteins, Basic Helix-Loop-Helix Transcription Factors

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