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The pre-hatching bovine embryo transforms the uterine luminal metabolite composition in vivo

Sponchiado, Mariana ; Gonella-Diaza, Angela M ; Rocha, Cecília C ; Turco, Edson G Lo ; Pugliesi, Guilherme ; Leroy, Jo L M R ; Binelli, Mario

Scientific reports, 2019-06, Vol.9 (1), p.8354-8354, Article 8354 [Periódico revisado por pares]

England: Nature Publishing Group

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The pre-hatching bovine embryo transforms the uterine luminal metabolite composition in vivo
Autor: Sponchiado, Mariana ; Gonella-Diaza, Angela M ; Rocha, Cecília C ; Turco, Edson G Lo ; Pugliesi, Guilherme ; Leroy, Jo L M R ; Binelli, Mario
Assuntos: Amines ; Amino Acids - genetics ; Animals ; Biogenic amines ; Blastocyst - metabolism ; Blastocyst - physiology ; Bovidae ; Cattle ; Corpus luteum ; Corpus Luteum - metabolism ; Embryo Implantation - genetics ; Embryo Implantation - physiology ; Embryogenesis ; Embryonic Development - genetics ; Endometrium ; Endometrium - growth & development ; Endometrium - metabolism ; Estrus - genetics ; Estrus - physiology ; Female ; Gene expression ; Glycine ; Hatching ; Implantation ; Lipoxygenase ; Mass spectroscopy ; Metabolites ; Paracrine signalling ; Parturition - genetics ; Parturition - physiology ; Phospholipids ; Pregnancy ; Pregnancy, Animal ; Reproductive system ; Sarcosine ; Secretion ; Transcriptome - genetics ; Uterus ; Uterus - growth & development ; Uterus - metabolism
É parte de: Scientific reports, 2019-06, Vol.9 (1), p.8354-8354, Article 8354
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Descrição: In cattle, conceptus development after elongation relies on well-characterized, paracrine interactions with the hosting maternal reproductive tract. However, it was unrecognized previously that the pre-hatching, pre-implantation bovine embryo also engages in biochemical signalling with the maternal uterus. Our recent work showed that the embryo modified the endometrial transcriptome in vivo. Here, we hypothesized that the embryo modulates the biochemical composition of the uterine luminal fluid (ULF) in the most cranial portion of the uterine horn ipsilateral to the corpus luteum. Endometrial samples and ULF were collected post-mortem from sham-inseminated cows and from cows inseminated and detected pregnant 7 days after oestrus. We used quantitative mass spectrometry to demonstrate that the pre-hatching embryo changes ULF composition in vivo. Embryo-induced modulation included an increase in concentrations of lipoxygenase-derived metabolites [12(S)-HETE, 15(S)-HETE] and a decrease in the concentrations of amino acids (glycine), biogenic amines (sarcosine), acylcarnitines and phospholipids. The changed composition of the ULF could be due to secretion or depletion of specific molecules, executed by either the embryo or the endometrium, but initiated by signals coming from the embryo. This study provides the basis for further understanding embryo-initiated modulation of the uterine milieu. Early embryonic signalling may be necessary to guarantee optimal development and successful establishment of pregnancy in cattle.
Editor: England: Nature Publishing Group
Idioma: Inglês

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The pre-hatching bovine embryo transforms the uterine luminal metabolite composition in vivo

Sponchiado, Mariana ; Gonella-Diaza, Angela M ; Rocha, Cecília C ; Turco, Edson G Lo ; Pugliesi, Guilherme ; Leroy, Jo L M R ; Binelli, Mario

England: Nature Publishing Group

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