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Blood pressure ‘barometer’ found after 60 years, U.Va. scientists say - WTOP
Aug 03, 2021 40 secs

A news release Tuesday describes the “cellular sensors” as being able to detect subtle changes in blood pressure and adjust hormone levels to keep it in check.

Scientists believed the barometers, called baroreceptors, existed in specialized kidney cells called renin cells, but nobody could find them before Dr.

“It was exhilarating to find that the elusive pressure-sensing mechanism, the baroreceptor, was intrinsic to the renin cell, which has the ability to sense and react, both within the same cell,” Sequeira-Lopez said.

When the baroreceptors detect too much pressure outside the renin cell, the production of renin — a hormone that helps regulate blood pressure — is restricted.

When the baroreceptors detect that blood pressure is too low, they prompt the production of more renin.

This is the mechanism that allows the body to maintain the correct blood pressure.

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