ArticleLife science alliance2023
Integrin ligands block mechanical signal transduction in baroreceptors.
Article in Life science alliance, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- Integrin α5β1 Activation by PHSRN Peptide Elicits Neuroprotection and Functional Recovery in Parkinson's Disease Mice.Antioxidants (Basel, Switzerland) · 2026Article
- Mechanotransduction-driven macrophage polarization via Integrin-SRC-STAT6 pathway in distraction osteogenesis.Journal of orthopaedic translation · 2026Article
- Research progress on the regulatory mechanism of integrin-mediated mechanical stress in cells involved in bone metabolism.Journal of cellular and molecular medicine · 2024Review
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Baroreceptors are nerve endings located in the adventitia of the carotid sinus and aortic arch. They act as a mechanoelectrical transducer that can sense the tension stimulation exerted on the blood vessel wall by the rise in blood pressure and transduce the mechanical force into discharge of the nerve endings. However, the molecular identity of mechanical signal transduction from the vessel wall to the baroreceptor is not clear. We discovered that exogenous integrin ligands, such as RGD, IKVAV, YIGSR, PHSRN, and KNEED, could restrain pressure-dependent discharge of the aortic nerve in a dose-dependent and reversible manner. Perfusion of RGD at the baroreceptor site in vivo can block the baroreceptor reflex. An immunohistochemistry study showed the binding of exogenous RGD to the nerve endings under the adventitia of the rat aortic arch, which may competitively block the binding of integrins to ligand motifs in extracellular matrix. These findings suggest that connection of integrins with extracellular matrix plays an important role in the mechanical coupling process between vessel walls and arterial baroreceptors.
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Registered trials
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