Related Experiment Video
Updated: Aug 18, 2026

Hydrogel Nanoparticle Harvesting of Plasma or Urine for Detecting Low Abundance Proteins
Published on: August 7, 2014
Abstract:
The retina, choroid, ciliary body, iris and aqueous humor of swine eyes contain enzymes capable of producing (kallikrein) and inactivating (kininase I and II) kinins. The activity of the enzymes varies in different eye structures. Higher activities of kallikrein and kininase II were found in highly vascularized tissues such as retina, choroid and ciliary body. The highest activity of kininase I (carboxypeptidase N) was found in the aqueous humor. The presence of these enzymes in the eye structures suggests a possible role for them in local metabolism of vasoactive peptides.
Related Concept Videos
Paracrine Signaling
Cytoskeletal Linker Proteins - Plakins
Nitric Oxide Signaling Pathway
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Microbiome of the Eye
Acute Inflammation II: Cellular Phase

