{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T21:00:18Z","timestamp":1777928418890,"version":"3.51.4"},"reference-count":10,"publisher":"SAGE Publications","issue":"13","license":[{"start":{"date-parts":[[2012,9,5]],"date-time":"2012-09-05T00:00:00Z","timestamp":1346803200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Lupus"],"published-print":{"date-parts":[[2012,11]]},"abstract":"<jats:p>Collapsing glomerulopathy(CG), characterized by collapse of the glomerular capillary loops onto the mesangial stalks is rarely associated to systemic lupus erythematosus (SLE). Recently a genetic predisposition to HIV associated nephropathy (HIVAN) has been shown in Afro-Americans: MYH9 polymorhism in 2008 and then APOL1 variants (G1 and G2 alleles) in 2010 were shown to be strongly associated with HIVAN.<\/jats:p>\n                  <jats:p>We describe here for the first time the association of CG in a young Afro-American female with SLE having a homozygous mutation of APOL1. The clinical history, laboratory findings and immunofluorescence all confirmed a diagnosis of SLE. However, studies for factors associated with collapsing glomerulopathy in other situations were consistently negative. As this Afro-American patient developed a CG, we performed genotyping of APOL1. It was found that she is homozygotic for the G2 allele of APOL1. 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