Cited by 233Iron Metabolism and DisordersLiver Disease Diagnosis and TreatmentTrace Elements in Health

Effect of iron depletion in carbohydrate-intolerant patients with clinical evidence of nonalcoholic fatty liver disease

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Facchini, Francesco S., Hua, Nancy W., Stoohs, Riccardo A.·2002·Gastroenterology

Abstract

Background & aims Increased body iron, genetic hemochromatosis (GH) mutations, and nonalcoholic fatty liver disease (NAFLD) tend to cluster in carbohydrate-intolerant patients. In an attempt to further clarify the interrelationships among these conditions, we studied 42 carbohydrate-intolerant patients who were free of the common GH mutations C282Y and H63D, and had a serum iron saturation lower than 50%.Methods We measured body iron stores, and induced iron depletion to a level of near-iron deficiency (NID) by quantitative phlebotomy.Results In the 17 patients with clinical evidence of NAFLD, we could not demonstrate supranormal levels of body iron (1.6 +/- 0.2 vs. 1.4 +/- 0.2 g; P = 0.06). However, at NID, there was a 40%-55% improvement (P = 0.05-0.0001) of both fasting and glucose-stimulated plasma insulin concentrations, and near-normalization of serum alanine aminotransferase activity (from 61 +/- 5 to 32 +/- 2 IU/L; P < 0.001).Conclusions These results reflect the insulin-sparing effect of iron depletion and indicate a key role of iron and hyperinsulinemia in the pathogenesis of NAFLD.

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  1. George DK, Goldwurm S, MacDonald GA, Cowley LL, Walker NI, Ward PJ, Jazwinska EC, Powell LW. Increased hepatic iron con- centration in non-alcoholic steato-hepatitis is associated with increased fibrosis. Gastroenterology 1998;114:311-317.
  2. Chitturi S, Farrell GC. Etiopathogenesis of non-alcoholic steato- hepatitis. Semin Liv Dis 2001;21:27-41.
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  5. Johnson RN, Metcalf PA, Baker JR. Fructosamine: a new ap- proach to the estimation of serum glycosilprotein. Clin Chim Acta 1982;127:87-95.

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Authors
Facchini, F. S., Hua, N. W., & Stoohs, R. A.
Affiliations
  • San Francisco General Hospital (US)
  • Stanford Medicine (US)
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2002-04
Volume
122
Issue
4
Pages
931-939
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2135385594
Cited by
233
References
53
Citations by year
2026: 5 · 2025: 1 · 2024: 1 · 2023: 5 · 2022: 13 · 2021: 5 · 2020: 3 · 2019: 3 · 2018: 6 · 2017: 4 · 2016: 10 · 2015: 15 · 2014: 10 · 2013: 11 · 2012: 11
FWCI
8.01
Type
journal article
Language
en
Open access
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Kaiser Permanente
  • Kaiser Foundation Research Institute
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
Keywords
non-alcoholic fatty liver disease, iron depletion, carbohydrate intolerance, iron deficiency, iron stores, insulin resistance, hyperinsulinemia, insulin-sparing effect, alanine aminotransferase, hereditary hemochromatosis
MeSH terms
Adult, Alanine Transaminase, Blood Glucose, Diabetes Mellitus, Type 2, Dietary Carbohydrates, Fatty Liver, Female, Hemochromatosis, Humans, Hyperinsulinism, Insulin, Iron, Male, Middle Aged, Phlebotomy

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