HNF1B-related disease: developmental origins, molecular mechanisms, and multisystem clinical challenges

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ID: 315644
2026
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Abstract
Abstract Variants or deletions involving the HNF1B gene cause HNF1B-MODY. HNF1B-MODY represents a multisystem disorder extending far beyond its original classification as a monogenic form of diabetes. Recent research has expanded our understanding of HNF1B’s role in human development. It reveals critical involvement in renal, pancreatic, hepatic, genitourinary, and neurological organogenesis. Advances in molecular genetics have highlighted that approximately half of affected individuals carry large 17q12 deletions encompassing HNF1B and neighboring genes, correlating with broader syndromic features such as intellectual disability, autism spectrum traits, and psychiatric illness. The increasing availability of next-generation sequencing, coupled with copy number variant (CNV) analysis, has improved diagnostic yield. Underdiagnosis remains common due to variable expressivity and phenotypic overlap with more prevalent disorders. Notable progress has been made in dissecting tissue-specific roles of HNF1B. Patient-derived iPSC models and single-cell transcriptomics offer new insights into early developmental pathways and transcriptional networks. These tools enable organoid-based studies and the potential discovery of therapeutics. Clinically, awareness of symptoms, such as renal cysts, persistent hypomagnesemia, pancreatic hypoplasia, and non-autoimmune diabetes, has led to the development of diagnostic scoring systems and multidisciplinary care algorithms. Although current treatment remains supportive, research into gene regulation, epigenetic modifiers, and pharmacologic rescue strategies is ongoing. HNF1B-related disease illustrates how pleiotropic gene dysfunction can present with diverse organ involvement. Integrating genomics, developmental biology, and targeted surveillance may help improve early diagnosis and patient outcomes.
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openalex_W7163332149 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Petr Heneberg
Journal clinical kidney journal
Year 2026
DOI
10.1093/ckj/sfag185
URL
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