Rapid Identification of Phospholipase A2 Transcripts from Snake Venoms

Antitumoral Potential of Tunisian Snake Venoms Secreted Phospholipases A2

Phospholipases type A2 (PLA2s) are the most abundant proteins found in Viperidae snake venom. They are quite fascinating from both a biological and structural point of view. Despite similarity in their structures and common catalytic properties, they exhibit a wide spectrum of pharmacological activities. Besides being hydrolases, secreted phospholipases A2 (sPLA2) are an important group of toxi...

Phospholipase B in snake venoms and bee venom.

[Snake venoms].

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Phospholipase A of snake venoms. I. Isolation and molecular properties of isoenzymes from Naja naja and Vipera russellii venoms.

A combination of narrow range isoelectric focusing, electrophoresis on polyacrylamide gel, and gel exclusion on Sephadex reveals the presence of at least 9, possibly 11 isoenzymes of phospholipase A in Naja naja (cobra) venom. Their isoelectric points range from pH 4.60 to 5.66 and their molecular weights from 8,500 to 20,200. The most abundant form (isoelectric point = pH 4.95) has been isolat...

Rapid screening and identification of ACE inhibitors in snake venoms using at-line nanofractionation LC-MS

This study presents an analytical method for the screening of snake venoms for inhibitors of the angiotensin-converting enzyme (ACE) and a strategy for their rapid identification. The method is based on an at-line nanofractionation approach, which combines liquid chromatography (LC), mass spectrometry (MS), and pharmacology in one platform. After initial LC separation of a crude venom, a post-c...