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2001 | 45 | 1 |

Tytuł artykułu

Lung thrombopoiesis in pregnant rabbits during septic shock - an ultrastructural study

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of the present study was the comparative analysis of morphological changes found in the pulmonary microcirculation of pregnant rabbits in the course of experimental septic shock induced by endotoxin administration. Sixteen female rabbits, white Dutch, c.3 kg of mean body weight were used in the experiments. The endotoxin of Escherichia coli, serotype S.0127:138 (Sigma) was applied intraperitoneally in a single dose of 100 μg/kg b.w. Morphological examinations were based on the ultrastructural analysis with the transmission electron microscope. Severe damage of endothelial cells (necrosis inclusive) was observed in endotoxin-treated rabbits. The vascular lumen in these animals showed cellular aggregation of neutrophils and platelets in particular, as well as microthrombi. Some of the blood vessels showed fragments of megakaryocytes. An increased tendency towards the development of these changes was noted in pregnant rabbits. The study confirmed that the lungs may be an important site of extramedullary thrombopoiesis in the course of septic shock especially during pregnancy.

Wydawca

-

Rocznik

Tom

45

Numer

1

Opis fizyczny

p.49-55,fig.

Twórcy

autor
  • Medical Academy of Bialystok, Bialystok, Poland
autor
autor

Bibliografia

  • 1. Beller F.K., Schmidt E.H., Holzgreve W., Hauss J.: Septicemia during pregnancy: A study in different species of experimental animals. Am. J. Obstet. Gynecol., 1985, 151, 967-975.
  • 2. Harlan J.M., Harker L.A., Reidy M.A., Gajdusek C.M., Schwartz S.M., Striker G.E.: Lipopolysaccharide-mediated bovine endothelial cell injury in vitro. Lab. Invest., 1983, 48, 269-274.
  • 3. Haslett C., Worthen G.S., Giclas P.C., Morrison D.C., Henson J.E., Henson P.M.: The pulmonary vascular sequestration of neutrophils in endotoxemia is initiated by an effect of endotoxin on the neutrophil in the rabbit. Am. Rev. Respir. Dis., 1987, 136, 9-18.
  • 4. Heflin A.C., Brigham K.L.: Prevention by granulocyte depletion of increased vascular permeability of sheep lung following endotoxemia. J. Clin. Invest., 1981, 68, 1253-1260.
  • 5. Hollingsworth H.M., Irwin R.S.: Acute respiratory failure in pregnancy. Clin. Chest Med., 1992, 13, 723-740.
  • 6. Horvath C.J., Fero T.J., Jesmok G., Malik A.B.: Recombinant tumor necrosis factor increases pulmonary vascular permeability independent of neutrophils. Proc. Nat. Acad. Sci. USA, 1988, 85, 9219-9223.
  • 7. Mathison J.C., Wolfson E., Ulevitch R.J.: Participation of tumor necrosis factor in the mediation of gram negative bacterial lipopolysaccharide-induced injury in rabbits. J. Clin. Invest., 1988, 81, 1925-1937.
  • 8. Meyrick B., Brigham K.L.: Acute effects of E. coli endotoxin on the pulmonary microcirculation of anesthetized sheep. Lab. lnvest., 1983, 48, 458-470.
  • 9. Meyrick B.: Endotoxin-mediated pulmonary endothelial cell injury. Fed. Proc., 1986, 45, 19-24.
  • 10. Michie H.R., Manogue K.R., Spriggs D.R., Revhaug A., O'Dwyer S., Dinarello C.A., Cerami A., Wolff S.M., Wilmore D.W.: Detection of circulating tumor necrosis factor after endotoxin administration. N. Engl. J. Med., 1988, 318, 1481-1486.
  • 11. Movat H.Z.: Tumor necrosis factor and interleukin-1: Role in acute inflammation and microvascular injury. J. Lab. Clin. Med., 1987, 110, 668-681.
  • 12. Pingleton W.W., Coalson J.J., Guenter C.A.: Significance of leukocytes in endotoxic shock. Exp. Mol. Pathol., 1975, 22, 183-194.
  • 13. Rabinovici R., Bugelski P.J., Esser K.M., Hillegass L.M., Vernick J., Feuerstein G.: ARDS-like lung injury produced by endotoxin in platelet-activating factor-primed rats. J. Appl. Physiol., 1993, 74, 1791-1802.
  • 14. Salyer J.L., Bohnsack J.F., Knape W.A., Shigeoka A.O., Ashwood E.R., Hill H.R.: Mechanisms of tumor necrosis factor-α alteration of PMN adhesion and migration. Am. J. Pathol., 1990, 136, 831-841.
  • 15. Stephens K.E., Ishizaka A., Larrick J.W., Raffin T.A.: Tumor necrosis factor causes increased pulmonary permeability and edema. Am. Rev. Respir. Dis., 1988, 137, 1364-1370.
  • 16. Sulkowski S., Terlikowski S., Sulkowska M.: Occlusion of pulmonary vessels by megakaryocytes after treatment with tumour necrosis factor-alpha (TNF-α). J. Comp. Path., 1999, 120, 235-245.
  • 17. Terlikowski S., Sulkowska M., Sulkowski S., Jurgiel E., Zalewska I., Południewski G.: Comparative studies on the effect of TNF-α and endotoxin on the ultrastructural picture of pulmonary capillaries in pregnant rabbits. Pathol. International, 1996, 46, 795.
  • 18. Terlikowski S., Sulkowska M., Sulkowski S.: Comparative studies on the effect of TNF-α and LPS on the ultrastructural picture of placental vessels. Eur. J. Haematol., 1996, 57, 19.
  • 19. Trowbridge E.A., Martin J.F., Slater D.N.: Evidence for a theory of physical fragmentation of megakaryocytes, implying that all platelets are produced in the pulmonary circulation. Thromb. Res., 1982, 28, 461-475.

Typ dokumentu

Bibliografia

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bwmeta1.element.agro-article-02d5c60f-0328-4450-8b75-392e61412edb
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