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Stains
Multidrug resistance protein (MRP)
Authors: Kara Hamilton, M.S., Nat Pernick, M.D., PathologyOutlines.com, Inc.
Revised: 27 March 2010, last major update - March 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● 190kDa transmembrane phosphoglycoprotein and member of MRP / ABCC subfamily of ATP binding cassette transporters
● Overexpressed in various human multidrug resistant tumor cell lines
● Does not cross react with P-glycoprotein (mdr1, mdr3)
Subtypes:
MRP4 – transports molecules involved in cellular signalling (Trends Pharmacol Sci 2008;29:200)
Uses
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Positive stains - normal
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Positive stains – not carcinoma
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Positive stains - carcinoma
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Negative stains
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Micro images
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Additional references
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Sources for MRP (advertisements): Covance
End of Stains > Multidrug resistance protein (MRP)
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