RA
Gene-environment associations are important in rheumatoid arthritis (RA) susceptibility, with an association existing between smoking, HLA- DRB1 'shared epitope' alleles, PTPN22 and antibodies to cyclic citrullinated peptides (CCP).
Gene-environment associations are important in <span class="disease" id="19898480-1-47-67">rheumatoid arthritis</span> (<span class="disease" id="19898480-1-69-71">RA</span>) susceptibility, with an association existing between smoking, HLA- DRB1 'shared epitope' alleles, <span class="gene" id="19898480-1-171-177">PTPN22</span> and antibodies to cyclic citrullinated peptides (CCP).