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Restoring Elasticity To Tissues Is A Stretch

Scientists In Dallas, San Diego Zero On Fibulin-5 Mucoprotein, Which Honchos Elastin Action

By David N. Leff

Wednesday, January 16, 2002

No Abstract

Science Editor

There’s a lot of give, stretch and elasticity to large blood vessels, tendons, ligaments and heart muscle. That compliant behavior is the work of a yellowish mucoprotein called elastin, the main connective-tissue protein of such stretchable structures. Elastin’s main enemy in the body is pulmonary emphysema, which leaves its victims wheezing and gasping not just for breath but for therapeutic snortfuls of pure inhaled oxygen.

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