Article ; Online: Genetic variants associated with inflammatory bowel disease and gut graft-versus-host disease.
2021 Volume 5, Issue 21, Page(s) 4456–4464
Abstract: Previous studies have identified genetic variants associated with inflammatory bowel disease (IBD). We tested the hypothesis that some of these variants are also associated with the risk of moderate to severe gut graft-versus-host disease (GVHD) after ... ...
Abstract | Previous studies have identified genetic variants associated with inflammatory bowel disease (IBD). We tested the hypothesis that some of these variants are also associated with the risk of moderate to severe gut graft-versus-host disease (GVHD) after allogeneic hematopoietic cell transplantation (HCT). Associations were evaluated initially in a discovery cohort of 1980 HCT recipients of European ancestry with HLA-matched related or unrelated donors. Associations discovered in this cohort were tested for replication in a separate cohort of 1294 HCT recipients. Among the 296 single-nucleotide polymorphisms and 26 HLA alleles tested, we found that the recipient rs1260326 homozygous T allele in GCKR was associated with a higher risk of stage 2 to 4 gut GVHD. No other candidate variants were associated with stage 2 to 4 gut GVHD. The rs1260326 variant resides in an IBD-associated locus containing FNDC4, a gene that encodes a secreted anti-inflammatory factor that dampens macrophage activity and improves colitis in mice. Our results suggest that targeting inflammatory macrophages with recombinant FNDC4 offers an attractive avenue of clinical investigation for management of IBD and gut GVHD. |
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MeSH term(s) | Animals ; Colitis ; Graft vs Host Disease/genetics ; Hematopoietic Stem Cell Transplantation/adverse effects ; Humans ; Inflammatory Bowel Diseases/genetics ; Mice ; Proteins ; Unrelated Donors |
Chemical Substances | FNDC4 protein, human ; Proteins |
Language | English |
Publishing date | 2021-09-08 |
Publishing country | United States |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2915908-8 |
ISSN | 2473-9537 ; 2473-9529 |
ISSN (online) | 2473-9537 |
ISSN | 2473-9529 |
DOI | 10.1182/bloodadvances.2021004959 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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