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PubMed This is a summary of 65 peer-reviewed journal articles Updated
Nephrology · HNF1B-Related Disease

HNF1B-Related Disease: A Patient Guide

At a Glance

HNF1B-related disease can affect the kidneys, pancreas, liver, and reproductive system; a 17q12 deletion may also affect learning, behavior, and social development. Genetic testing and regular monitoring of kidney function, blood pressure, urine, electrolytes, and blood sugar guide care.

HNF1B-related disease is a multisystem umbrella condition caused by a change in a master control gene called HNF1B. This gene acts as a biological blueprint, guiding the development of several vital organs while a baby is growing in the womb. Because this gene is so active during development, a single change can affect the kidneys, pancreas, liver, and reproductive system [1][2].

You may hear this condition referred to by other names, which describe specific features or genetic causes:

  • HNF1B-related Autosomal Dominant Tubulointerstitial Kidney Disease (ADTKD-HNF1B) refers specifically to the kidney involvement.
  • MODY5 refers to the specific type of monogenic diabetes it can cause.
  • 17q12 deletion syndrome is a contiguous-gene deletion syndrome where a small piece of the chromosome containing HNF1B and its neighboring genes is missing.

The way this condition behaves is highly variable, meaning that no two people—even within the same family—will have the exact same symptoms. While the kidneys are the most commonly affected organ, the findings can range from simple cysts and mineral imbalances to more significant structural changes that appear on prenatal ultrasounds. In some individuals, kidney function remains stable for a lifetime, while others may experience a gradual decline that requires specialized medical management. This variability is a hallmark of the condition, making regular monitoring of kidney health, blood pressure, urine protein, and electrolyte levels a central part of long-term care [3][4].

Beyond the kidneys, the condition often involves the pancreas, which can be smaller than average or have difficulty producing insulin. This can lead to a specific form of diabetes (MODY5) that typically appears in adolescence or early adulthood, as well as challenges with digesting certain foods. Some individuals also experience mild changes in liver enzymes or structural differences in the reproductive tract. For those with a 17q12 deletion, there is an additional recognized risk regarding learning, behavior, and social development [5][6].

Living with this diagnosis means moving from a place of uncertainty to a proactive plan for health. Because it affects multiple systems, care is best managed by a multidisciplinary team of specialists, including nephrologists and endocrinologists. While the genetic cause cannot be changed, knowing it allows your doctors to provide personalized, vigilant care. With individualized surveillance, patients can better navigate their symptoms and plan for the future [7][8].

In this guide

6 chapters

01

Orientation: Understanding Your HNF1B Diagnosis

Learn what an HNF1B diagnosis means for kidney health, diabetes, other organs, genetic results, family testing, and ongoing monitoring and care planning.

02

Genetics and Diagnostic Testing

Learn how HNF1B-related disease testing detects gene variants or 17q12 deletions, explains inheritance, and guides family and reproductive planning decisions.

03

Kidney Health: Structure, Electrolytes, and Function

Learn how HNF1B-related kidney disease affects kidney structure, electrolytes, eGFR, urine protein, blood pressure, CKD stages, and long-term monitoring.

04

Beyond the Kidneys: A Multisystem Condition

Learn how HNF1B kidney disease affects the pancreas, liver, reproductive organs, and—if 17q12 is deleted—the brain, including diabetes and digestive symptoms.

05

Daily Care: Treatments and Management Strategies

Learn how HNF1B-related disease is managed, including kidney protection, magnesium and potassium, MODY5 diabetes, pancreatic enzymes, gout, and safety planning.

06

Building Your Care Team and Staying Proactive

Learn how HNF1B-related kidney disease care teams monitor kidney function, diabetes, electrolytes, development, and other health needs across the lifespan.

Common questions in this guide

What is HNF1B-related disease?
HNF1B-related disease is a genetic condition caused by a change in the HNF1B gene or, in some people, a deletion of the 17q12 chromosome region. It can affect the kidneys, pancreas, liver, reproductive system, and—when 17q12 is deleted—learning, behavior, or social development.
How is HNF1B-related disease diagnosed?
HNF1B-related disease is diagnosed through genetic testing that looks for a disease-causing change in the HNF1B gene or a deletion of the 17q12 region. Doctors also consider kidney, pancreatic, liver, reproductive, and developmental findings when planning evaluation and care.
What does ADTKD-HNF1B mean?
ADTKD-HNF1B is the name used for the kidney involvement of HNF1B-related disease. Kidney findings can include cysts, mineral or electrolyte imbalances, and changes in kidney function, and their severity varies from person to person.
What is MODY5, and how is it related to HNF1B?
MODY5 is a form of inherited diabetes associated with HNF1B-related disease. Changes affecting the pancreas can reduce insulin production, so diabetes often appears in adolescence or early adulthood, although timing varies.
What does a 17q12 deletion mean?
A 17q12 deletion means a small section of chromosome 17 is missing, including HNF1B and nearby genes. In addition to kidney, pancreatic, or other organ findings, this deletion can increase the chance of learning, behavior, and social-development differences.
How is HNF1B-related disease monitored?
Monitoring focuses on kidney health, blood pressure, urine protein, and electrolyte levels, with additional follow-up for diabetes and other affected organs. A multidisciplinary team, often including a nephrologist and endocrinologist, can tailor the plan to the person's findings.
Should family members be tested for HNF1B-related disease?
Because HNF1B-related disease is caused by a genetic change and can cause mild or hidden findings, a clinician may recommend testing for some relatives. A genetics professional can explain who should be tested and what a result could mean for each family member.

Get notified when new evidence is published on HNF1B-related autosomal dominant tubulointerstitial kidney disease.

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References

References (8)
  1. 1

    The Role of HNF1B in Tumorigenesis of Solid Tumours: a Review of Current Knowledge.

    Bártů M, Dundr P, Němejcová K, et al.

    Folia biologica 2018; (64(3)):71-83 doi:10.14712/fb2018064030071.

    PMID: 30394265
  2. 2

    The role of hepatocyte nuclear factor 1β in disease and development.

    El-Khairi R, Vallier L

    Diabetes, obesity & metabolism 2016; (18 Suppl 1()):23-32 doi:10.1111/dom.12715.

    PMID: 27615128
  3. 3

    Variable Expressivity of HNF1B Nephropathy, From Renal Cysts and Diabetes to Medullary Sponge Kidney Through Tubulo-interstitial Kidney Disease.

    Izzi C, Dordoni C, Econimo L, et al.

    Kidney international reports 2020; (5(12)):2341-2350 doi:10.1016/j.ekir.2020.09.042.

    PMID: 33305128
  4. 4

    17q12 Recurrent Deletion Syndrome in Childhood.

    Ceravolo G, Mollica S, Cavallaro M, et al.

    Genes 2025; (16(12)) doi:10.3390/genes16121499.

    PMID: 41465172
  5. 5

    Diabetes, Associated Clinical Spectrum, Long-term Prognosis, and Genotype/Phenotype Correlations in 201 Adult Patients With Hepatocyte Nuclear Factor 1B (HNF1B) Molecular Defects.

    Dubois-Laforgue D, Cornu E, Saint-Martin C, et al.

    Diabetes care 2017; (40(11)):1436-1443 doi:10.2337/dc16-2462.

    PMID: 28420700
  6. 6

    Review of neurodevelopmental disorders in patients with HNF1B gene variations.

    Nittel CM, Dobelke F, König J, et al.

    Frontiers in pediatrics 2023; (11()):1149875 doi:10.3389/fped.2023.1149875.

    PMID: 36969268
  7. 7

    17q12 Deletion Syndrome as a Rare Cause for Diabetes Mellitus Type MODY5.

    Roehlen N, Hilger H, Stock F, et al.

    The Journal of clinical endocrinology and metabolism 2018; (103(10)):3601-3610 doi:10.1210/jc.2018-00955.

    PMID: 30032214
  8. 8

    Genotype-phenotype correlations and response to glucose lowering therapy in subjects with HNF1β associated diabetes.

    Ng N, Mijares Zamuner M, Siddique N, et al.

    Acta diabetologica 2022; (59(1)):83-93 doi:10.1007/s00592-021-01794-8.

    PMID: 34487217

This page is for informational purposes only and does not constitute medical advice. It explains HNF1B-related disease, but your nephrologist, endocrinologist, and genetics team should interpret your results and plan monitoring for you or your child.