HNF-1β regulates transcription of the PKD modifier gene Kif12

Yimei Gong, Zhendong Ma, Vishal Patel, Evelyne Fischer, Thomas Hiesberger, Marco Pontoglio, Peter Igarashi

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


Hepatocyte nuclear factor-1β (HNF-1β) is a transcription factor that regulates gene expression in the kidney, liver, pancreas, and other epithelial organs. Mutations of HNF-1β lead to a syndrome of inherited renal cysts and diabetes and are also a common cause of sporadic renal dysplasia. The full complement of target genes responsible for the functions of HNF-1β, however, is incompletely defined. Using a functional genomics approach involving chromatin immunoprecipitation and promoter arrays, combined with gene expression profiling, we found that an HNF-1β target gene in the kidney is kinesin family member 12 (Kif12), a gene previously identified as a candidate modifier gene in the cpk mouse model of polycystic kidney disease. Mutations of HNF-1β inhibited Kif12 transcription in both cultured cells and knockout mice by altering co-factor recruitment and histone modification. Because kinesin-12 family members participate in orienting cell division, downregulation of Kif12 may underlie the abnormal planar cell polarity observed in cystic kidney diseases.

Original languageEnglish (US)
Pages (from-to)41-47
Number of pages7
JournalJournal of the American Society of Nephrology
Issue number1
StatePublished - Jan 2009


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