Studies on the anaemia in rabbits infected with Trypanosoma brucei brucei. 1. Evidence for haemolysis

G. C. Jenkins, P. McCrorie, C. M. Forsberg, J. L. Brown

Research output: Contribution to journalArticle

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Abstract

Measurements of red cell counts, haemoglobin concentrations, packed cell volumes, reticulocyte percentages and pyruvate kinase levels were carried out daily in rabbits infected with either Trypanosoma brucei brucei S42 or T. b. brucei 427. With both stocks, rabbits became anaemic within 7 days, the anaemia being initially more severe in those animals infected with the S42 stock. Mean cell volumes, percentage of reticulocytes and pyruvate kinase levels increased during the infection, whereas mean cell haemoglobins remained relatively constant and mean cell haemoglobin concentrations decreased. Red cell T50 values were reduced in both infections, especially when the infecting organism was T. b. brucei S42. Bone marrow aspirates showed a general hyperplasia. The evidence is indicative of an anaemia which is haemolytic in origin, in spite of normal serum bilirubin concentrations. Possible mechanisms of haemolysis are discussed and it is concluded that the major cause is red cell damage due to the attachment to the erythrocytes of immune-complex factors, together with sequestration and destruction of red cells in the spleen and other organs of the reticuloendothelial system.

Original languageEnglish
Pages (from-to)107-121
Number of pages15
JournalJournal of Comparative Pathology
Volume90
Issue number1
DOIs
Publication statusPublished - 1980

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Trypanosoma brucei brucei
hemolysis
Hemolysis
anemia
Anemia
rabbits
Rabbits
Pyruvate Kinase
Erythrocyte Indices
Reticulocytes
hemoglobin
reticulocytes
Hemoglobins
pyruvate kinase
cells
Mononuclear Phagocyte System
Immunologic Factors
Infection
Antigen-Antibody Complex
Cell Size

Cite this

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title = "Studies on the anaemia in rabbits infected with Trypanosoma brucei brucei. 1. Evidence for haemolysis",
abstract = "Measurements of red cell counts, haemoglobin concentrations, packed cell volumes, reticulocyte percentages and pyruvate kinase levels were carried out daily in rabbits infected with either Trypanosoma brucei brucei S42 or T. b. brucei 427. With both stocks, rabbits became anaemic within 7 days, the anaemia being initially more severe in those animals infected with the S42 stock. Mean cell volumes, percentage of reticulocytes and pyruvate kinase levels increased during the infection, whereas mean cell haemoglobins remained relatively constant and mean cell haemoglobin concentrations decreased. Red cell T50 values were reduced in both infections, especially when the infecting organism was T. b. brucei S42. Bone marrow aspirates showed a general hyperplasia. The evidence is indicative of an anaemia which is haemolytic in origin, in spite of normal serum bilirubin concentrations. Possible mechanisms of haemolysis are discussed and it is concluded that the major cause is red cell damage due to the attachment to the erythrocytes of immune-complex factors, together with sequestration and destruction of red cells in the spleen and other organs of the reticuloendothelial system.",
author = "Jenkins, {G. C.} and P. McCrorie and Forsberg, {C. M.} and Brown, {J. L.}",
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Studies on the anaemia in rabbits infected with Trypanosoma brucei brucei. 1. Evidence for haemolysis. / Jenkins, G. C.; McCrorie, P.; Forsberg, C. M.; Brown, J. L.

In: Journal of Comparative Pathology, Vol. 90, No. 1, 1980, p. 107-121.

Research output: Contribution to journalArticle

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