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Genes for two autosomal recessive forms of chronic granulomatous disease assigned to 1q25 (NCF2) and 7q11.23 (NCF1).

Authors
  • U Francke
  • C L Hsieh
  • B E Foellmer
  • K J Lomax
  • H L Malech
  • T L Leto
Publication Date
Sep 01, 1990
Source
PMC
Keywords
Disciplines
  • Biology
  • Medicine
License
Unknown

Abstract

Chronic granulomatous disease (CGD) is a heterogeneous group of inherited disorders of impaired superoxide production in phagocytes. The most common X-linked recessive form involves the CYBB locus in band Xp21.1 that encodes the membrane-bound beta subunit of the cytochrome b558 complex. Two autosomal recessive forms of CGD result from defects in cytosolic components of the phagocyte NADPH oxidase system, p47phox (NCF1) and p67phox (NCF2). By using human cDNA probes we have mapped the genes for these proteins to chromosomal sites. The combined data from Southern analysis of somatic cell hybrid lines and chromosomal in situ hybridization localize NCF1 to 7q11.23 and NCF2 to band 1q25. The NCF1 localization corrects an erroneous preliminary assignment to chromosome 10. In the mouse, the locus corresponding to NCF2 (Ncf-2) was mapped with somatic cell hybrid panels and recombinant inbred strains to mouse chromosome 1 near Xmv-21 within a region of conserved homology with human chromosome 1 region q21-q32. A second site, probably a processed pseudogene, was identified on mouse chromosome 13.

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