Abstract:
:The immune system plays an important role in pregnancy. Chemokines recruit leukocytes at the maternal-fetal interface during early pregnancy. However, the role of the chemokine, C-C motif chemokine ligand 21 (CCL21), is less known. The aim of this study was to identify the expression of CCL21 and its receptor, CCR7, in the endometrium during estrous cycle and early pregnancy, and to investigate the functional effects of CCL21 on porcine trophectoderm (pTr) and porcine uterine luminal epithelial (pLE) cells. Our results indicated that CCL21 and CCR7 are increased in the glandular (GE) and luminal epithelium (LE) of the endometrium during early pregnancy, compared to estrous pigs. Recombinant CCL21 improved pTr and pLE cell proliferation through activation of the PI3K and MAPK pathways and suppression of tunicamycin-induced endoplasmic reticulum (ER) stress or LPS-induced inflammation. Collectively, these results provide novel insights into CCL21-mediated signaling mechanisms at the maternal-fetal interface during early pregnancy.
journal_name
Dev Comp Immunoljournal_title
Developmental and comparative immunologyauthors
Bae H,Lim W,Bazer FW,Whang KY,Song Gdoi
10.1016/j.dci.2019.01.016subject
Has Abstractpub_date
2019-05-01 00:00:00pages
73-84eissn
0145-305Xissn
1879-0089pii
S0145-305X(18)30441-5journal_volume
94pub_type
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