Microvascular endothelial cells of the bovine corpus luteum: A comparative examination of the estrous cycle and pregnancy

Jessica Ann Cherry, Xiaoying Hou, Bo Ruben Rueda, John S Davis, David Harrison Townson

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Endothelial cells derived from the corpus luteum (CLENDOs) exhibit diverse characteristics presumably serving their wide-ranging roles in luteal function and fate. Here, several attributes of CLENDOs derived from cows at midcycle (days 9-12 of the estrous cycle) were compared with CLENDOs from early pregnancy (day 60 of pregnancy). Flow cytometric analysis of cells fluorescently-tagged with the lectins Bandeiraea simplicifolia (BS-1) and Concanavalin A (ConA) indicated that CLENDOs of midcycle CL do not differ from those of pregnancy. Mean fluorescence intensity for BS-1 was 15 ± 1 and 23 ± 7 fluorescent units for midcycle CLENDOs and CLENDOs of pregnancy, respectively (P>0.05). For ConA, mean fluorescence was 25 ± 2 and 26 ± 1 fluorescent units, respectively (P>0.05). The CLENDOs were also exposed to cytokines to assess differences in activation of nuclear factor kappa B signaling (NF-κB), induction of the transcription factor interferon regulatory factor 1 (IRF1), cytokine production, and cytokine-induced cell death. In response to TNF, for instance, both types of CLENDOs exhibited a rapid, 5-fold decrease in NF-κB inhibitor alpha (NFKBIA) protein expression (P<0.05), and a 4-fold increase in IRF1 expression (P<0.05), that did not differ with phenotype (P>0.05). Similarly, both types of CLENDOs produced tumor necrosis factor alpha and chemokine ligand 2 in response to IFNG stimulation (P>0.05) that did not differ with phenotype (P>0.05). Lastly, extended exposure of CLENDOs of midcycle CL to cytokines induced cell death (∼50% cell death vs. control) similar to the incidence of cell death seen previously in CLENDOs of early pregnancy. The results indicate that several physical and functional characteristics of CLENDOs of midcycle CL are retained through early pregnancy, including lectin-binding properties, sensitivity to cytokines, and the activation of cytokine-initiated intracellular signals.

Original languageEnglish (US)
Pages (from-to)183-191
Number of pages9
JournalJournal of Reproduction and Development
Volume54
Issue number3
DOIs
StatePublished - Jun 1 2008

Fingerprint

Estrous Cycle
Corpus Luteum
corpus luteum
estrous cycle
endothelial cells
cytokines
Endothelial Cells
pregnancy
Cytokines
Pregnancy
cell death
cattle
Cell Death
concanavalin A
Concanavalin A
lectins
Fluorescence
Griffonia simplicifolia
Interferon Regulatory Factor-1
fluorescence

Keywords

  • Bovine
  • Corpus luteum
  • Cytokine
  • Endothelial cell
  • Lectin

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Microvascular endothelial cells of the bovine corpus luteum : A comparative examination of the estrous cycle and pregnancy. / Cherry, Jessica Ann; Hou, Xiaoying; Rueda, Bo Ruben; Davis, John S; Townson, David Harrison.

In: Journal of Reproduction and Development, Vol. 54, No. 3, 01.06.2008, p. 183-191.

Research output: Contribution to journalArticle

Cherry, Jessica Ann ; Hou, Xiaoying ; Rueda, Bo Ruben ; Davis, John S ; Townson, David Harrison. / Microvascular endothelial cells of the bovine corpus luteum : A comparative examination of the estrous cycle and pregnancy. In: Journal of Reproduction and Development. 2008 ; Vol. 54, No. 3. pp. 183-191.
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