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Wolfram syndrome
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Condition

Wolfram syndrome

Wolfram syndrome is a rare, progressive disorder characterized by diabetes mellitus, vision loss, and various neurological and urinary tract complications.

Overview

Wolfram syndrome affects multiple body systems. Its hallmark features are diabetes mellitus (due to insulin shortage) and optic atrophy (progressive vision loss). Many individuals also experience diabetes insipidus, hearing loss, and urinary tract problems. The condition is categorized into two types based on genetic cause.

Key Symptoms

  • Diabetes mellitus: Usually the first symptom, typically diagnosed around age 6.
  • Optic atrophy: Often appears around age 11, leading to loss of color and peripheral vision, eventually resulting in blindness.
  • Diabetes insipidus: Occurs in about 70 percent of patients, caused by the pituitary gland's inability to release the hormone vasopressin.
  • Neurological/Psychiatric: Balance and coordination problems (ataxia), seizures, depression, and psychosis.
  • Urinary issues: Affecting 60 to 90 percent of patients, including incontinence and bladder dysfunction.

Causes

Wolfram syndrome is caused by genetic variants that disrupt cellular function:

  • Type 1: Caused by variants in the WFS1 gene, which produces the protein wolframin. This protein regulates calcium levels in the endoplasmic reticulum. Lack of functional wolframin triggers cell death (apoptosis), particularly in insulin-producing beta cells in the pancreas.
  • Type 2: Caused by variants in the CISD2 gene, which helps maintain mitochondria (the cell's energy centers). Dysfunction leads to energy depletion and cell death. Type 2 is distinguished by the presence of stomach/intestinal ulcers and excessive bleeding.

Inheritance

Both types of Wolfram syndrome are inherited in an autosomal recessive pattern, meaning both copies of the gene in each cell must be altered to cause the condition.

Frequently Asked Questions

Children with a known Wolfram syndrome mutation should have fasting blood glucose or HbA1c testing every 6 months starting at age 2–3 years, even if they are asymptomatic, because diabetes often appears before age 6. Early detection allows prompt insulin therapy and better long‑term control.
Parents should watch for gradual loss of color discrimination, difficulty seeing in low light, and a narrowing of peripheral vision. If any of these occur, an ophthalmology referral for visual field testing and optical coherence tomography is recommended.
Regular bladder training, timed voiding schedules, and, if needed, clean intermittent catheterization can reduce urinary retention. Antibiotic prophylaxis is considered for recurrent urinary tract infections, and urologic evaluation is advised if symptoms worsen.
No disease‑modifying drugs are currently approved. Symptomatic treatment—such as antiepileptic drugs for seizures, physical therapy for ataxia, and speech therapy for dysarthria—helps maintain function. Emerging research on ER stress modulators and mitochondrial support is ongoing but not yet standard care.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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