Related Experiment Video
Updated: Jun 16, 2026
13:47
Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
Published on: June 3, 2018
AQP1 and SLC4A10 as candidate genes for primary open-angle glaucoma
Wenjing Liu1, Yutao Liu, Xue-Jun Qin
1Center for Human Genetics, Duke University Eye Center, Duke University Medical Center, Durham, NC 27710, USA.
Molecular Vision
|January 27, 2010
Summary
Common sequence variants in AQP1 and SLC4A10 genes are not associated with primary open-angle glaucoma (POAG) risk in the Caucasian population. This study examined candidate genes involved in cerebrospinal fluid (CSF) production and POAG.
Area of Science:
- Ophthalmology
- Genetics
- Neuroscience
Background:
- Primary open-angle glaucoma (POAG) pathogenesis may involve reduced cerebrospinal fluid (CSF) pressure.
- Aquaporin 1 (AQP1) and solute carrier family 4, sodium bicarbonate transporter, member 10 (SLC4A10) are key genes in CSF production.
Purpose of the Study:
- To investigate the association between variants in AQP1 and SLC4A10 genes and POAG in a Caucasian population.
- To explore the role of CSF production genes in POAG etiology.
Main Methods:
- Genotyping of 11 single nucleotide polymorphisms (SNPs) in AQP1 and SLC4A10.
- Comparison of genotype frequencies between 382 POAG patients and 363 control subjects.
- Logistic regression analysis adjusted for gender.
Main Results:
- No statistically significant differences in genotype frequencies were observed for any tested SNPs in AQP1 and SLC4A10 between POAG and control groups (p>0.05).
Conclusions:
- Common sequence variants in AQP1 and SLC4A10 are not associated with increased risk for POAG in the Caucasian population.
- This is the first study to examine the link between AQP1, SLC4A10, and POAG risk.
Related Concept Videos
01:25Aquaporins
Aquaporins or AQPs are a family of integral membrane proteins whose primary function is to transport water, while some called aquaglyceroporins also transport glycerol. In addition, aquaporins have also been suspected to be involved in transporting volatile substances, such as carbon dioxide and ammonia, across membranes. Such AQPs that act as gas channels are often highly expressed in cells involved in the gaseous exchange, such as red blood cells, epithelial cells, and pulmonary capillaries.
01:25Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
01:27Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:16Pharmacogenetics of Drug Transporters: P-Glycoprotein and Solute Carrier Transporters
The pharmacogenetics of drug transporters is increasingly recognized as a critical factor influencing interindividual variability in drug absorption, distribution, and elimination. These membrane-bound proteins regulate drugs' movement across cellular barriers by actively pumping them out (efflux) or facilitating their uptake (influx). Among the major transporter families, ATP-binding cassette (ABC) and solute carrier (SLC) transporters play particularly prominent roles. Genetic polymorphisms...
01:28Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
01:29Pharmacogenomics: Identification of New Drug Targets
Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...