Hypertension, inflammation and T lymphocytes are increased in a rat model of HELLP syndrome

Hypertens Pregnancy. 2014 Feb;33(1):41-54. doi: 10.3109/10641955.2013.835820.

Abstract

Objective: An animal model of hemolysis, elevated liver enzymes, low platelet count (HELLP) was used to determine if T lymphocytes accompany hypertension and increased inflammatory cytokines.

Methods: sFlt-1 (4.7 µg/kg/day) and sEndoglin (7 µg/kg/day) were infused into normal pregnant rats (HELLP rats) for 8 days.

Results: HELLP was associated with increased mean arterial pressure (p = 0.0001), hemolysis (p = 0.044), elevated liver enzymes (p = 0.027), and reduced platelets (p = 0.035). HELLP rats had increased plasma levels of TNFα (p = 0.039), IL-6 (p = 0.038) and IL-17 (p = 0.04). CD4(+) and CD8(+) T lymphocytes were increased.

Conclusion: These data support the hypothesis that T cells are associated with hypertension and inflammation.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Animals
  • Blood Pressure
  • Disease Models, Animal
  • Endoglin
  • Female
  • HELLP Syndrome / blood
  • HELLP Syndrome / chemically induced
  • HELLP Syndrome / immunology*
  • HELLP Syndrome / physiopathology
  • Interleukin-17 / blood
  • Interleukin-6 / blood
  • Intracellular Signaling Peptides and Proteins
  • Pregnancy
  • Rats
  • Rats, Sprague-Dawley
  • Th1 Cells / physiology*
  • Tumor Necrosis Factor-alpha / blood
  • Vascular Endothelial Growth Factor Receptor-1

Substances

  • Endoglin
  • Eng protein, rat
  • Interleukin-17
  • Interleukin-6
  • Intracellular Signaling Peptides and Proteins
  • Tumor Necrosis Factor-alpha
  • Vascular Endothelial Growth Factor Receptor-1