Related Experiment Video
Updated: Aug 13, 2026

10:30
Multi-exon Skipping Using Cocktail Antisense Oligonucleotides in the Canine X-linked Muscular Dystrophy
Published on: May 24, 2016
[X-linked recessive bulbospinal neuropathy (Kennedy syndrome)]
C H Wulff1, S A Sørensen, W Trojaborg
1Department of Internal Medicine, Armed Forces Hospitals Southern Region, Khamis Mushayt, Kingdom of Saudi Arabia.
Ugeskrift for Laeger
|November 13, 1995
Summary
This report details a case of X-linked recessive bulbospinal neuronopathy. Genetic analysis revealed expanded CAG repeats, consistent with chronic motor and sensory axonopathy.
Area of Science:
- Neurology
- Genetics
- Neurophysiology
Background:
- X-linked recessive bulbospinal neuronopathy is a rare neuromuscular disorder.
- Understanding its genetic basis and clinical presentation is crucial for diagnosis.
Observation:
- A case study of a patient with X-linked recessive bulbospinal neuronopathy was presented.
- Clinical observations included symptoms indicative of nerve damage.
Findings:
- Neurophysiological assessments indicated chronic partial denervation, specifically motor axonopathy and large fiber sensory axonopathy.
- DNA analysis identified an abnormally increased number of tandem CAG repeats, a known genetic marker for certain neurodegenerative disorders.
Implications:
- This case contributes to the understanding of X-linked recessive bulbospinal neuronopathy.
- The findings highlight the importance of genetic testing and neurophysiological evaluation in diagnosing such conditions.
Related Concept Videos
Genetic Lingo
Overview
Pedigree Analysis
Overview
Pleiotropy
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
Sex-linked Disorders
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
Sex Linked Disorders
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
Huntington Disease l: Introduction
Huntington disease or HD is a progressive, fatal neurodegenerative disorder inherited in an autosomal dominant pattern.PathophysiologyIt is caused by expansion of the CAG trinucleotide repeat in the HTT gene on chromosome 4 (4p16.3), producing an abnormal huntingtin protein with an expanded polyglutamine tract. This misfolded protein disrupts cellular function, leading to neuronal death. Normal alleles have ≤26 repeats, 27–35 are intermediate (risk of expansion), 36–39 show reduced penetrance,...

