Related Experiment Video
Updated: Jun 23, 2026

Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors
Published on: June 7, 2016
Live longer sans the AT1A receptor.
Mark P Mattson1, Stuart Maudsley
1Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, MD 21224, USA. mattsonm@grc.nia.nih.gov
Excessive activation of the angiotensin II type 1A receptor (AT(1A)R) is linked to aging-related diseases. Mice lacking AT(1A)R show extended lifespan and reduced oxidative stress, indicating its role in aging.
Area of Science:
- Cardiovascular research
- Aging biology
- Renal disease
Background:
- Excessive activation of the angiotensin II type 1A receptor (AT(1A)R) by angiotensin II (Ang II) is implicated in age-related hypertension, diabetes, and kidney disease.
- AT(1A)R signaling plays a crucial role in the physiological processes associated with aging.
Purpose of the Study:
- To investigate the role of AT(1A)R signaling in the aging process.
- To explore the potential of targeting AT(1A)R for anti-aging interventions.
Main Methods:
- Utilizing AT(1A)R-deficient mouse models.
- Comparing lifespan and oxidative stress levels between AT(1A)R-deficient and wild-type mice.
- Analyzing the molecular mechanisms underlying AT(1A)R's influence on aging.
Main Results:
- AT(1A)R-deficient mice exhibit significantly longer lifespans compared to wild-type counterparts.
- Reduced levels of oxidative stress were observed in AT(1A)R-deficient mice.
- These findings suggest a direct link between AT(1A)R signaling and the aging process.
Conclusions:
- AT(1A)R signaling is a key contributor to age-related diseases and the aging process itself.
- Targeting AT(1A)R may offer a novel therapeutic strategy for promoting longevity and mitigating age-related conditions.
- Further research into AT(1A)R pathways could unlock new avenues for anti-aging interventions.
More Related Videos
07:21Subcutaneous Angiotensin II Infusion using Osmotic Pumps Induces Aortic Aneurysms in Mice
Published on: September 28, 2015
09:51Live Cell Imaging and 3D Analysis of Angiotensin Receptor Type 1a Trafficking in Transfected Human Embryonic Kidney Cells Using Confocal Microscopy
Published on: March 27, 2017
Related Concept Videos
Antihypertensive Drugs: Angiotensin II Receptor Blockers
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
Antihypertensive Drugs: Direct Renin Inhibitors
Antihypertensive Drugs: Action of β1 Blockers
Adrenergic Antagonists: Pharmacological Actions of ɑ-Receptor Blockers
α1-blockers: These drugs inhibit α1-adrenoceptors on smooth muscle cells, resulting in vasodilation. This vasodilation lowers blood pressure, making α1-blockers valuable in treating hypertension. Additionally, α1-blockers effectively address urinary obstruction...