{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T23:42:05Z","timestamp":1782603725327,"version":"3.54.5"},"reference-count":67,"publisher":"American Physiological Society","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2013,10,15]]},"abstract":"<jats:p>Focal segmental glomerulosclerosis (FSGS) and collapsing glomerulopathy are common causes of nephrotic syndrome. Variants in &gt;20 genes, including genes critical for mitochondrial function, have been associated with these podocyte diseases. One such gene, PDSS2, is required for synthesis of the decaprenyl tail of coenzyme Q<jats:sub>10<\/jats:sub>(Q<jats:sub>10<\/jats:sub>) in humans. The mouse gene Pdss2 is mutated in the kd\/kd mouse model of collapsing glomerulopathy. We examined the hypothesis that human PDSS2 polymorphisms are associated with podocyte diseases. We genotyped 377 patients with primary FSGS or collapsing glomerulopathy, together with 900 controls, for 9 single-nucleotide polymorphisms in the PDSS2 gene in a case-control study. Subjects included 247 African American (AA) and 130 European American (EA) patients and 641 AA and 259 EA controls. Among EAs, a pair of proxy SNPs was significantly associated with podocyte disease, and patients homozygous for one PDSS2 haplotype had a strongly increased risk for podocyte disease. By contrast, the distribution of PDSS2 genotypes and haplotypes was similar in AA patients and controls. Thus a PDSS2 haplotype, which has a frequency of 13% in the EA control population and a homozygote frequency of 1.2%, is associated with a significantly increased risk for FSGS and collapsing glomerulopathy in EAs. Lymphoblastoid cell lines from FSGS patients had significantly less Q<jats:sub>10<\/jats:sub>than cell lines from controls; contrary to expectation, this finding was independent of PDSS2 haplotype. These results suggest that FSGS patients have Q<jats:sub>10<\/jats:sub>deficiency and that this deficiency is manifested in patient-derived lymphoblastoid cell lines.<\/jats:p>","DOI":"10.1152\/ajprenal.00143.2013","type":"journal-article","created":{"date-parts":[[2013,8,8]],"date-time":"2013-08-08T06:22:30Z","timestamp":1375942950000},"page":"F1228-F1238","source":"Crossref","is-referenced-by-count":36,"title":["Focal segmental glomerulosclerosis is associated with a<i>PDSS2<\/i>haplotype and, independently, with a decreased content of coenzyme Q<sub>10<\/sub>"],"prefix":"10.1152","volume":"305","author":[{"given":"David L.","family":"Gasser","sequence":"first","affiliation":[{"name":"Department of Genetics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cheryl A.","family":"Winkler","sequence":"additional","affiliation":[{"name":"Basic Research Laboratory, Center for Cancer Research, 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