{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T15:52:06Z","timestamp":1792857126367,"version":"4.5.0"},"reference-count":16,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2012,12,5]],"date-time":"2012-12-05T00:00:00Z","timestamp":1354665600000},"content-version":"vor","delay-in-days":4,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Biochem &amp; Molecular Tox"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Previous work found that high\u2010molecular\u2010weight fractions in the egg extract of <jats:italic>Latrodectus tredecimguttatus<\/jats:italic> exhibited strong toxicities. For investigating the possible relationship of proteins in the eggs with the toxic effect, the protein composition of the eggs was analyzed using proteomic strategies and compared with that of the spider's venom. SDS\u2010PAGE showed that the proteins of eggs were primarily distributed in the molecular weight range of higher than 55 kDa as well as around 34 kDa, having high abundance proteins with molecular weights of about 60 kDa and 130 kDa. A total of 157 proteins were identified from the egg extract, which were involved in important cellular functions and processes including catalysis, transport, and metabolism regulation. Comparison indicated that the protein composition of eggs is more complex than that of venom, and there are few similarities between the protein composition of the two materials, demonstrating that the eggs have their own distinct toxic mechanism. \u00a9 2012Wiley Periodicals, Inc. J BiochemMol Toxicol 26:510\u2010515, 2012; View this article online at <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/www.wileyonlinelibrary.com\">wileyonlinelibrary.com<\/jats:ext-link>. 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