Dataset Information

Spatiotemporal profiling of the bovine oviduct fluid proteome around the time of ovulation

ABSTRACT: Unraveling the composition and regulation of the oviduct fluid (OF) is crucial to understand the microenvironment in which sperm capacitation, fertilization and early embryo development take place. Therefore, our aim was to determine the spatiotemporal changes in the OF proteome according to the anatomical region of the oviduct (ampulla vs. isthmus), the proximity of the ovulating ovary (ipsilateral vs. contralateral side) and the peri-ovulatory stage (pre-ovulatory or Pre-ov vs. post-ovulatory or Post-ov). Oviducts from adult cyclic cows were collected at a local slaughterhouse and pools of OF were analyzed by nanoLC-MS/MS and label-free protein quantification (n=32 OF pools for all region stage side conditions). A total of 3,760 proteins were identified in the OF, of which 37% were predicted to be secreted. The oviduct region was the major source of variation in protein abundance, followed by the proximity of the ovulating ovary and finally the peri-ovulatory stage. Differentially abundant proteins between regions, stages and sides were involved in a broad variety of biological functions, including protein binding, response to stress, cell-to-cell adhesion, calcium homeostasis and the immune system. This work highlights the dynamic regulation of oviduct secretions and provides new protein candidates for interactions between the maternal environment, the gametes and the early embryo.

INSTRUMENT(S): timsTOF Pro

ORGANISM(S): Bos Taurus (bovine)

TISSUE(S): Oviductal Fluid

SUBMITTER: E Com

LAB HEAD: Charles Pineau

PROVIDER: PXD030915 | Pride | 2022-03-03

REPOSITORIES: Pride

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			Action	DRS
	348_AC1_post_Slot1-20_1_2006.d.7z	Other
	348_AC1_post_Slot1-20_1_2006_DA5.2.216_1__348_AC1post_.mzid.gz	Mzid
	348_AC1_post_Slot1-20_1_2006_DA5.2.216_1__348_AC1post_.mzid_348_AC1_post_Slot1-20_1_2006_DA5.2.216_1__348_AC1post_.MGF	Mzid
	348_AC1_pre_Slot1-19_1_2009.d.7z	Other
	348_AC1_pre_Slot1-19_1_2009_DA5.2.216_1__348_AC1pre_.mzid.gz	Mzid

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Spatiotemporal profiling of the bovine oviduct fluid proteome around the time of ovulation

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