Effects of exogenous tumour necrosis factor-α on the secretory function of the bovine reproductive tract depend on tumour necrosis factor-α concentrations

Dj Skarzynski, Kk Piotrowska, Mm Bah, A. Korzekwa, I. Woclawek-Potocka, K. Sawai, K. Okuda

Research output: Contribution to journalArticle

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Abstract

Contents The aim of study was to correlate tumour necrosis factor-α (TNF) infused doses used with the TNF concentrations achieved and with the secretory function of both the ovary and the uterus in cows. We evaluated the concentrations of progesterone (P4), prostaglandin (PG)F, PGE2 nitric oxide (NO) and TNF in the jugular vein and vena cava caudalis as parameters of exogenous TNF action on the female reproductive tract. Aortae abdominalis of cows (n = 18) were infused with saline or two doses of TNF (luteolytic - 1 μg or luteotrophic - 10 μg). In the peripheral blood, 1 μg TNF concentrations achieved within the range of 30-45 pg/ml, and 10 μg TNF provoked a sharp increase in achieved concentrations at a range of 250-450 pg/mL). The TNF concentrations achieved in vena cava caudalis were five to six times higher than that in peripheral blood (p <0.001). One microgram TNF increased PGF and NO (p <0.001) and decreased P4 (p <0.05). The higher TNF dose stimulated P4 and PGE2 (p <0.01). TNF infusion at luteolytic dose achieved its concentrations at the physiological range previously observed in cows. Luteotrophic TNF dose achieved the concentrations in vena cava caudalis that are much higher than physiological level and were previously noted in pathological circumstances (i.e. mastitis, metritis).

Original languageEnglish
Pages (from-to)371-379
Number of pages9
JournalReproduction in Domestic Animals
Volume44
Issue number3
DOIs
Publication statusPublished - Jun 2009

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tumor necrosis factors
Tumor Necrosis Factor-alpha
cattle
vena cava
Venae Cavae
dosage
Dinoprost
Dinoprostone
cows
nitric oxide
Nitric Oxide
Mastitis
endometritis
Jugular Veins
jugular vein
blood
aorta
uterus
prostaglandins
Uterus

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Biotechnology
  • Endocrinology

Cite this

Effects of exogenous tumour necrosis factor-α on the secretory function of the bovine reproductive tract depend on tumour necrosis factor-α concentrations. / Skarzynski, Dj; Piotrowska, Kk; Bah, Mm; Korzekwa, A.; Woclawek-Potocka, I.; Sawai, K.; Okuda, K.

In: Reproduction in Domestic Animals, Vol. 44, No. 3, 06.2009, p. 371-379.

Research output: Contribution to journalArticle

Skarzynski, Dj ; Piotrowska, Kk ; Bah, Mm ; Korzekwa, A. ; Woclawek-Potocka, I. ; Sawai, K. ; Okuda, K. / Effects of exogenous tumour necrosis factor-α on the secretory function of the bovine reproductive tract depend on tumour necrosis factor-α concentrations. In: Reproduction in Domestic Animals. 2009 ; Vol. 44, No. 3. pp. 371-379.
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