Background: Bacterial infections are common in postpartum dairy cows. Cortisol level has been observed to increase in dairy cows during peripartum period, and is associated with the endometrial innate immunity against pathogen like E.coli . However, the mechanism underlying how cortisol regulates E.coli -induced inflammatory response in bovine endometrial epithelial cells (BEEC) remains elusive.
Results: Cortisol decreased the expressions of IL1β, IL6, TNF-α, IL8, and TLR4 mRNA in BEEC treated with LPS or heat-killed E.coli , but up-regulated the these gene expressions in BEEC stimulated by live E.coli .
Conclusion: Cortisol exerted the anti-inflammation action on LPS- or heat-killed E.coli -stimulated BEEC, but the pro-inflammation action on live E.coli -induced BEEC.

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Posted 28 Oct, 2019
On 17 Dec, 2019
Received 16 Dec, 2019
On 03 Dec, 2019
Received 09 Nov, 2019
Invitations sent on 04 Nov, 2019
On 04 Nov, 2019
On 21 Oct, 2019
On 18 Oct, 2019
On 17 Oct, 2019
On 17 Oct, 2019
Posted 28 Oct, 2019
On 17 Dec, 2019
Received 16 Dec, 2019
On 03 Dec, 2019
Received 09 Nov, 2019
Invitations sent on 04 Nov, 2019
On 04 Nov, 2019
On 21 Oct, 2019
On 18 Oct, 2019
On 17 Oct, 2019
On 17 Oct, 2019
Background: Bacterial infections are common in postpartum dairy cows. Cortisol level has been observed to increase in dairy cows during peripartum period, and is associated with the endometrial innate immunity against pathogen like E.coli . However, the mechanism underlying how cortisol regulates E.coli -induced inflammatory response in bovine endometrial epithelial cells (BEEC) remains elusive.
Results: Cortisol decreased the expressions of IL1β, IL6, TNF-α, IL8, and TLR4 mRNA in BEEC treated with LPS or heat-killed E.coli , but up-regulated the these gene expressions in BEEC stimulated by live E.coli .
Conclusion: Cortisol exerted the anti-inflammation action on LPS- or heat-killed E.coli -stimulated BEEC, but the pro-inflammation action on live E.coli -induced BEEC.

Figure 1

Figure 2

Figure 3

Figure 4
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