Cited by 7,631Immune Response and InflammationInflammasome and immune disordersSepsis Diagnosis and Treatment

Defective LPS Signaling in C3H/HeJ and C57BL/10ScCr Mice: Mutations in Tlr4 Gene

Poltorak, Alexander, He, Xiaolong, Smirnova, Irina, Liu, Mu-Ya, Huffel, Christophe Van, Du, Xin, Birdwell, Dale, Alejos, Erica +6 more·1998·Science

Abstract

Mutations of the gene Lps selectively impede lipopolysaccharide (LPS) signal transduction in C3H/HeJ and C57BL/10ScCr mice, rendering them resistant to endotoxin yet highly susceptible to Gram-negative infection. The codominant Lps d allele of C3H/HeJ mice was shown to correspond to a missense mutation in the third exon of the Toll-like receptor-4 gene ( Tlr4 ), predicted to replace proline with histidine at position 712 of the polypeptide chain. C57BL/10ScCr mice are homozygous for a null mutation of Tlr4 . Thus, the mammalian Tlr4 protein has been adapted primarily to subserve the recognition of LPS and presumably transduces the LPS signal across the plasma membrane. Destructive mutations of Tlr4 predispose to the development of Gram-negative sepsis, leaving most aspects of immune function intact.

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Crossref · 10.1126/science.282.5396.2085

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Authors
Poltorak, A., He, X., Smirnova, I., Liu, M.-Y., Huffel, C. V., Du, X., Birdwell, D., Alejos, E., Silva, M., Galanos, C., Freudenberg, M., Ricciardi-Castagnoli, P., Layton, B., & Beutler, B.
Affiliations
  • Howard Hughes Medical Institute (US)
  • A. Poltorak, X. He, I. Smirnova, M.-Y. Liu, C. Van Huffel, X. Du, D. Birdwell, E. Alejos, M. Silva, B. Layton, B. Beutler, Howard Hughes Medical Institute and the Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75235–9050 USA. C. Galanos and M. Freudenberg, Max-Planck Institute für Immunobiologie, Freiburg, Germany. P. Ricciardi, CNR–Cellular and Molecular Pharmacology Center, Milan, Italy.
Venue
Science
Published
1998-12-11
Volume
282
Issue
5396
Pages
2085-2088
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2129319296
Cited by
7,631
References
30
Citations by year
2026: 110 · 2025: 108 · 2024: 137 · 2023: 158 · 2022: 158 · 2021: 200 · 2020: 194 · 2019: 202 · 2018: 202 · 2017: 225 · 2016: 250 · 2015: 272 · 2014: 320 · 2013: 284 · 2012: 350
FWCI
76.21
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
Keywords
TLR4, lipopolysaccharide signaling, endotoxin resistance, C3H/HeJ mice, missense mutations, innate immunity
MeSH terms
Amino Acid Sequence, Animals, Chromosome Mapping, Cloning, Molecular, Genes, Dominant, Homozygote, Lipopolysaccharides, Macrophages, Membrane Glycoproteins, Mice, Inbred C3H, Mice, Inbred C57BL, Molecular Sequence Data, Receptors, Cell Surface, RNA, Messenger, Signal Transduction, Gram-Negative Bacterial Infections, Point Mutation, Mutation, Missense, Drosophila Proteins, Toll-Like Receptors, Toll-Like Receptor 4, Mice

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