Salpingitis Impairs Bovine Tubal Function and Sperm-Oviduct Interaction.
Animals
Apoptosis
Cattle
Endometritis
/ pathology
Epithelial Cells
/ metabolism
Fallopian Tubes
/ pathology
Female
Fertilization
Glycoproteins
/ metabolism
Humans
Infertility
/ pathology
Male
Mucus
/ metabolism
Oviducts
/ physiology
Salpingitis
/ pathology
Sperm Motility
Spermatozoa
/ physiology
Tight Junctions
/ metabolism
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
26 07 2019
26 07 2019
Historique:
received:
18
02
2019
accepted:
17
07
2019
entrez:
28
7
2019
pubmed:
28
7
2019
medline:
11
11
2020
Statut:
epublish
Résumé
Salpingitis is a common cause for subfertility and infertility both in humans and animals. However, the effects of salpingitis on tubal function and reproductive success are largely unknown. Therefore we set out to investigate the effects of inflammation on sperm and oocyte transport and gameto-maternal interaction in the oviduct using the bovine as a model. For this purpose, oviducts revealing mild (n = 45), moderate (n = 55) and severe (n = 45) inflammation were obtained from cows immediately after slaughter and investigated by live cell imaging, histochemistry and scanning electron microscopy. Our studies showed that endometritis was always correlated with salpingitis. Moderate and severe inflammation caused a significant increase in the thickness of tubal folds (p < 0.05). Severe inflammation was characterized by luminal accumulations of mucus and glycoproteins, increased apoptosis, loss of tight junctions and shedding of tubal epithelial cells. The mean ciliary beat frequency (CBF) in the ampulla was significantly reduced as compared to the controls (p < 0.05). The higher the grade of inflammation, the lower was the CBF (p < 0.001). In severe inflammation, spermatozoa were stuck in mucus resulting in decreased sperm motility. Our results imply that tubal inflammation impairs proper tubal function and leads to reduced sperm fertilizing capacity.
Identifiants
pubmed: 31350463
doi: 10.1038/s41598-019-47431-x
pii: 10.1038/s41598-019-47431-x
pmc: PMC6659645
doi:
Substances chimiques
Glycoproteins
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
10893Références
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