Cited by 1,159Iron Metabolism and DisordersTrace Elements in HealthNeurological diseases and metabolism

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

Microcytic anaemia mice have a mutation in Nramp2, a candidate iron transporter gene

Abstract

Although disorders of iron metabolism are prevalent, iron transport remains poorly understood. To address this problem, we undertook a positional cloning strategy to identify the causative mutation in mice with microcytic anaemia (mk). Homozygous mk/mk mice have microcytic, hypochromic anaemia due to severe defects in intestinal iron absorption and erythroid iron utilization. We report the identification of a strong candidate gene for mk, and suggest that the phenotype is a consequence of a missense mutation in Nramp2 (ref. 5), a previously identified gene of unknown function. Nramp2 is homologous to Nramp1, a gene activa in host defense. If Nramp2 is mk, as the cumulative evidence suggests, our findings have broad implications for the understanding of iron transport and resistance to intracellular pathogens.

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Crossref · 10.1038/ng0897-383

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Research works printed but not linked: 2

  1. McFarland, E.C. & Russell, E.S. Microcytic anemia (mk) has been located close to Ca on chromosome 15. Mouse News Letter 53, 35 (1975).
  2. Weinberg, E.D. The iron-withholding defense system. ASM News 59, 559–562 (1993).

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Metadata

Authors
Fleming, M. D., Trenor, C. C., Su, M. A., Foernzler, D., Beier, D. R., Dietrich, W. F., & Andrews, N. C.
Affiliations
  • Brigham and Women's Hospital (US)
  • Boston Children's Hospital (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Andrews, Nancy C.
Venue
Nature Genetics
Published
1997-08
Volume
16
Issue
4
Pages
383-386
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2082806735
Cited by
1,159
References
35
Citations by year
2026: 7 · 2025: 13 · 2024: 11 · 2023: 16 · 2022: 12 · 2021: 14 · 2020: 13 · 2019: 23 · 2018: 20 · 2017: 23 · 2016: 21 · 2015: 24 · 2014: 28 · 2013: 33 · 2012: 35
FWCI
42.97
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
Funders
  • National Institutes of Health (1k08hl003600-01)
  • National Heart, Lung, and Blood Institute (K08 HL03600)
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
Keywords
microcytic anemia, DMT1, iron transport, iron metabolism, intestinal iron absorption, missense mutations, positional cloning, NRAMP1, mice
MeSH terms
Frataxin, Animals, Friedreich Ataxia, Humans, Mitochondria, Phosphotransferases (Alcohol Group Acceptor), Iron-Binding Proteins

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