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Mycopathologia

, Volume 88, Issue 1, pp 61–63 | Cite as

Suppression of humoral response during the course of Candida albicans infection in mice

  • Juan Carlos Valdez
  • Oscar Enrique Meson
  • Graciela Aciar de Valdez
  • Angel Sirena
Article

Abstract

This paper aims at demonstrating the non-specific immunosuppression as regards thyme-dependent antigens sheep erythrocytes (SRBC) during the course of Candida albicans systemic infection.

Three lots of syngeneic /BALB/c mice, 8–12 weeks of age, were used. The first normal lot was inoculated via the intraperitoneal route with a (SRBC) suspension (4×108 cells ml) in a Hank's balanced saline solution. The primary response of antibodies formed by splenic cells was measured from 4 to 8 days after inoculation using the direct plaque forming cells technique. The second lot was infected by the same route with a suspension of Candida albicans (1×107 cells). Positive retrocultures from the blood and kidneys of these infected mice were obtained. These yeasts cultivated in a Sabouraud medium were harvested after 20 h at 37 °C. Following the same methodology the immune response to SRBC was determined. The serum obtained from infected mice was transferred to a third lot of mice at different intervals during the course of the infection. The immune response to SRBC was done by the direct plaque-forming cells technique. Controls were carried out using normal donors and recipients.

A suppression of the immune response was obtained as from the 2nd day of inoculation up to the 28th day. It was not possible to transfer such suppression passively by means of the serum.

These results suggest that the systemic infection by Candida albicans induce a non-specific immunosuppression in the organism, already demonstrated in viral infections, bacteria, protozoaria and metazoaria in mammals.

In some way, this will contribute to explain the mechanisms of immune response to Candida albicans.

Keywords

Immune Response Candida Albicans Infected Mouse Systemic Infection Normal Donor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Dr W. Junk Publishers 1984

Authors and Affiliations

  • Juan Carlos Valdez
    • 1
  • Oscar Enrique Meson
    • 1
  • Graciela Aciar de Valdez
    • 1
  • Angel Sirena
    • 1
  1. 1.Instituto de Microbiología ‘Dr. Luis C. Verna’, Sección Inmunologia, Facultad de Bioquímica Química y FarmaciaUniversidad Nacional de TucumánArgentina

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