Related Experiment Video
Updated: May 27, 2025

14:19
Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
Published on: June 29, 2013
28.1K
Alport Syndrome May contribute to Grand Multiparity in a Typical Low Income Setting
Victoria I Ogala-Akogwu1,2, Peter K Uduagbamen3, Emmauuel A Anteyi2
1Nephrology Unit, Department of Medicine, State House Medical Centre, Abuja, Nigeria.
Ethiopian Journal of Health Sciences
|February 21, 2025
Summary
Alport syndrome, a genetic disorder affecting kidneys, hearing, and vision, caused a fatal outcome in a young male despite multiple transplants. This rare inherited condition highlights the severe impact of COL4A5 gene mutations.
Area of Science:
- Nephrology
- Genetics
- Ophthalmology
- Otolaryngology
Background:
- Alport syndrome (AS) is a rare inherited disorder impacting basement membranes in the kidneys, cochlea, and lens.
- It leads to progressive kidney disease, hearing loss, and visual deficits, potentially causing end-stage renal failure.
Observation:
- A 26-year-old male presented with edema, foamy urine, hematuria, and long-standing sensory impairments.
- He had three siblings with similar symptoms, suggesting a familial genetic condition.
Findings:
- Molecular genetic screening identified a pathogenic COL4A5 gene mutation, confirming X-linked Alport syndrome in the patient and three siblings.
- The patient experienced kidney failure, requiring hemodialysis and two unsuccessful kidney transplants, ultimately leading to his death.
Implications:
- This case underscores the severe, often fatal, progression of X-linked Alport syndrome.
- Familial deaths from AS may influence reproductive decisions, particularly in resource-limited environments, potentially contributing to grand multiparity.
Related Concept Videos
Oogenesis
63.3K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.3K
Nondisjunction
3.7K
Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers. Nondisjunction is common during anaphase I or anaphase II of meiosis. Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold...
3.7K
Renal Tubule and Collecting Duct
722
The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
722
Sex-linked Disorders
99.9K
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.
99.9K

