The gene for the human mast cell high-affinity IgE receptor alpha chain: chromosomal localization to Iq21-q23 and RFLP analysis

I Tepler, C C Morton, A Shimizu, R F Holcombe, R Eddy, T B Shows, P Leder

Research output: Contribution to journalArticlepeer-review

Abstract

We have used a cDNA probe for the human IgE receptor alpha chain to determine the chromosomal location for the human gene. A combination of Southern blot analysis of panels of somatic-cell hybrid DNAs and chromosomal in situ hybridization has localized the gene to the long arm of chromosome 1 at q21-q23. With this cDNA probe, we have also identified an RsaI RFLP which is inherited in a Mendelian fashion. This polymorphic marker on chromosome 1 should be valuable for studies directed at the identification both of diseases involving the IgE receptor alpha chain and of genetic factors affecting the allergic response.

Original languageEnglish
Pages (from-to)761-5
Number of pages5
JournalAmerican Journal of Human Genetics
Volume45
Issue number5
Publication statusPublished - Nov 1989

Keywords

  • Antigens, Differentiation, B-Lymphocyte
  • Chromosome Mapping
  • Chromosomes, Human, Pair 1
  • Cloning, Molecular
  • DNA Probes
  • Deoxyribonucleases, Type II Site-Specific
  • Humans
  • Hybrid Cells
  • Immunoglobulin E
  • Mast Cells
  • Nucleic Acid Hybridization
  • Polymorphism, Restriction Fragment Length
  • Receptors, Fc
  • Receptors, IgE
  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.

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