{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,15]],"date-time":"2025-10-15T18:42:31Z","timestamp":1760553751472,"version":"build-2065373602"},"reference-count":33,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,2,1]],"date-time":"2017-02-01T00:00:00Z","timestamp":1485907200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"fundamental research grant scheme","award":["14125-22314"],"award-info":[{"award-number":["14125-22314"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electrophoresis"],"published-print":{"date-parts":[[2017,3]]},"abstract":"<jats:p>Effective protein extraction is essential especially in producing a well\u2010resolved proteome on 2D gels. A well\u2010resolved placental cotyledon proteome, with good reproducibility, have allowed researchers to study the proteins underlying the physiology and pathophysiology of pregnancy. The aim of this study is to determine the best protein extraction protocol for the extraction of protein from placental cotyledons tissues for a two\u2010dimensional gel electrophoresis (2D\u2010GE). Based on widely used protein extraction strategies, 12 different extraction methodologies were carefully selected, which included one chemical extraction, two mechanical extraction coupled protein precipitations, and nine chemical extraction coupled protein precipitations. Extracted proteins were resolved in a one\u2010dimensional gel electrophoresis and 2D\u2010GE; then, it was compared with set criteria: extraction efficacy, protein resolution, reproducibility, and recovery efficiency. Our results revealed that a better profile was obtained by chemical extraction in comparison to mechanical extraction. We further compared chemical extraction coupled protein precipitation methodologies, where the DNase\/lithium chloride\u2010dense sucrose homogenization coupled dichloromethane\u2010methanol precipitation (DNase\/LiCl\u2010DSH\u2010D\/MPE) method showed good protein extraction efficiency. This, however, was carried out with the best protein resolution and proteome reproducibility on 2D\u2010gels. DNase\/LiCl\u2010DSH\u2010D\/MPE was efficient in the extraction of proteins from placental cotyledons tissues. In addition, this methodology could hypothetically allow the protein extraction of any tissue that contains highly abundant lipid and glycogen.<\/jats:p>","DOI":"10.1002\/elps.201600377","type":"journal-article","created":{"date-parts":[[2016,12,19]],"date-time":"2016-12-19T08:52:41Z","timestamp":1482137561000},"page":"633-644","source":"Crossref","is-referenced-by-count":2,"title":["An effective placental cotyledons proteins extraction method for 2D gel electrophoresis"],"prefix":"10.1002","volume":"38","author":[{"given":"Niu J.","family":"Tan","sequence":"first","affiliation":[{"name":"Medical Genetics Unit, Department of Biomedical Science, Faculty of Medicine and Health Sciences Universiti Putra Malaysia  Selangor Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leona D.J","family":"Daim","sequence":"additional","affiliation":[{"name":"Sime Darby Technology Centre Sdn. 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