Document Detail

Identification of pregnancy-associated glycoproteins by peptide mass fingerprinting in water buffalo (Bubalus bubalis).
MedLine Citation:
PMID:  25296505     Owner:  NLM     Status:  In-Process    
Ruminant placentas synthesize pregnancy-associated glycoproteins (PAGs) during pregnancy, which serve as biomarkers of pregnancy. The present study was conducted to verify, whether PAGs are expressed in buffalo placenta by using lectin-based affinity chromatography and peptide mass finger printing (PMF). Fetal cotyledonary tissues were collected from gravid uteri procured from slaughtered house. Proteins were extracted and subjected to wheat germ agglutinin (WGA) lectin affinity chromatography to isolate the PAGs. The isolated glycoproteins were separated by one-dimensional SDS-PAGE. PMF results of the 75 kDa protein revealed presence of two PAGs (PAG-7 and -11). The PAG-7 consisted of about 170 mass signals, of which 16 were assigned to corresponding/translated cDNA sequences of buffalo PAG-7, leading to sequence coverage of 40%. PMF result of PAG-11 showed 170 mass signals, of which 15 were assigned to buffalo PAG-11, leading to sequence coverage of 34%. In conclusion, the glycoprotein isolated from placental extract corresponding to 75 kDa band on SDS PAGE gel was a mixture of PAG-7 and -11, which may help in development of suitable diagnostics for pregnancy in buffalo.
Pradeep Kumar; Abhishake Saxena; S K Singh; R K Sharma; I Singh; S K Agarwal
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Indian journal of biochemistry & biophysics     Volume:  51     ISSN:  0301-1208     ISO Abbreviation:  Indian J. Biochem. Biophys.     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-10-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0310774     Medline TA:  Indian J Biochem Biophys     Country:  India    
Other Details:
Languages:  eng     Pagination:  326-30     Citation Subset:  IM    
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