Proteomics

Dataset Information

0

Cervico-Vaginal mucus proteins of buffalo


ABSTRACT: Cervico-vaginal fluid (CVF) plays significant roles in coitus, sperm transport and implantation. It is believed to be a good non-invasive biomarker for various diagnostic purposes. In this study, a comprehensive proteomic analysis of buffalo CVF was performed during the estrous cycle in order to document the protein expressions, utilizing SDS-PAGE, mass spectrometry, and immunoblot.Xcalibur software (version 2.0. SR1) was used for analyzing the mass spectrometry data. Product ion scans gathered from tandem mass spectrometry were involved in the database search software SEQUEST (TURBO) (http://sjsupport.thermofinnigan.com/project/product_support/xcal_layered_apps_turbosequest.htm). Peak lists were created from the products in the scan data (threshold set to 10,000) and these were searched against the mammalian protein sequence database from NCBI (http://www.ncbi.nlm.nih.gov/). Modification of cysteine by carboxymethylation and methionine by oxidation modifications was allowed. The mass tolerance for the precursor peptide ions was set to 3.5 and the fragment ion tolerance was set to 1. Singly charged, doubly charged and triply charged peptides have higher cross-correlation score viz., 1.9, 2.2 and 3.75, respectively, which give high confidence in terms of protein identification. More than two unique peptides for each protein were taken for confirmation of the protein present in the sample.

INSTRUMENT(S): Thermo Electron instrument model

ORGANISM(S): Bubalus Bubalis

TISSUE(S): Vaginal Fluid

SUBMITTER: Subramanian Muthukumar  

LAB HEAD: G Archunan

PROVIDER: PXD000620 | Pride | 2014-03-17

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
BuffaloCVF_d_1.mgf Mgf
BuffaloCVF_d_2.mgf Mgf
BuffaloCVF_d_3.mgf Mgf
BuffaloCVF_d_4.mgf Mgf
BuffaloCVF_d_5.mgf Mgf
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Publications

Buffalo cervico-vaginal fluid proteomics with special reference to estrous cycle: heat shock protein (HSP)-70 appears to be an estrus indicator.

Muthukumar Subramanian S   Rajkumar Ramalingam R   Karthikeyan Kandasamy K   Liao Chen-Chung CC   Singh Dheer D   Akbarsha Mohammad Abdulkader MA   Archunan Govindaraju G  

Biology of reproduction 20140508 5


Cervico-vaginal fluid (CVF) plays significant roles in coitus, sperm transport, and implantation. It is believed to be a good noninvasive biomarker for various diagnostic purposes. In this study, a comprehensive proteomic analysis of buffalo CVF was performed during the estrous cycle in order to document the protein expressions, utilizing SDS-PAGE, mass spectrometry, and immunoblot. The main objective was to screen the CVF of buffalo for one or more estrus-specific proteins. A total of 416 prote  ...[more]

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