Trypanosoma cruzi is lysed by coelomic cytolytic factor-1, an invertebrate analogue of tumor necrosis factor, and induces phenoloxidase activity in the coelomic fluid of Eisenia foetida foetida

Elizabeth Olivares Fontt, Alain Beschin, Els Van Dijck, Vincent Vercruysse, Martin Bilej, Rudolf Lucas, Patrick De Baetselier, Bernard Vray

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

A cytolytic protein named Coelomic Cytolytic Factor-1 (CCF-1) was isolated from the coelomic fluid of the earthworm Eisenia foetida foetida. Despite the absence of any gene homology, CCF-1 showed functional analogy with the mammalian cytokine tumour necrosis factor (TNF), particularly based on similar lectin-like activity. Indeed, both CCF-1 and TNF recognise N,N′-diacetylchitobiose and exert lytic activity on African Trypanosoma brucei brucei. In this report, we show that South-American Trypanosoma cruzi trypomastigotes, but not epimastigotes, were lysed by earthworm coelomic fluid or purified CCF-1. However, T. cruzi was less susceptible to lysis than T. brucei brucei. This lytic effect of coelomic fluid and CCF-1 on T. cruzi trypomastigotes was partially inhibited in the presence of anti-CCF-1 monoclonal antibody, antibody neutralising the lectin-like activity of TNF or N,N′-diacetylchitobiose. In contrast, this lytic effect was completely inhibited when using T. b. brucei. In addition, T. cruzi components, upon recognition by CCF-1 in E. f. foetida coelomic fluid, triggered the prophenoloxidase cascade, an invertebrate defence mechanism. These results further extend the functional analogies of CCF-1 and TNF, suggesting that both molecules share a similar lectin-like activity that has been conserved as an innate recognition mechanism in invertebrates and vertebrates. They also establish a link between stercorarian (T. cruzi) and salivarian (T. brucei) trypanosomatids having divergent phylogenetic origins and patterns of evolution, but possessing closely related cell surface sugar moieties.

Original languageEnglish (US)
Pages (from-to)27-34
Number of pages8
JournalDevelopmental and Comparative Immunology
Volume26
Issue number1
DOIs
StatePublished - Jan 1 2002

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Oligochaeta
Monophenol Monooxygenase
Trypanosoma cruzi
Invertebrates
Tumor Necrosis Factor-alpha
Trypanosoma brucei brucei
Lectins
Neutralizing Antibodies
Vertebrates
Monoclonal Antibodies
Cytokines
Genes
Proteins

Keywords

  • CCF-1
  • Coelomic cytotoxic factor
  • Innate immunity
  • Lectin
  • Tumor necrosis factor

ASJC Scopus subject areas

  • Immunology
  • Developmental Biology

Cite this

Trypanosoma cruzi is lysed by coelomic cytolytic factor-1, an invertebrate analogue of tumor necrosis factor, and induces phenoloxidase activity in the coelomic fluid of Eisenia foetida foetida. / Olivares Fontt, Elizabeth; Beschin, Alain; Van Dijck, Els; Vercruysse, Vincent; Bilej, Martin; Lucas, Rudolf; De Baetselier, Patrick; Vray, Bernard.

In: Developmental and Comparative Immunology, Vol. 26, No. 1, 01.01.2002, p. 27-34.

Research output: Contribution to journalArticle

Olivares Fontt, Elizabeth ; Beschin, Alain ; Van Dijck, Els ; Vercruysse, Vincent ; Bilej, Martin ; Lucas, Rudolf ; De Baetselier, Patrick ; Vray, Bernard. / Trypanosoma cruzi is lysed by coelomic cytolytic factor-1, an invertebrate analogue of tumor necrosis factor, and induces phenoloxidase activity in the coelomic fluid of Eisenia foetida foetida. In: Developmental and Comparative Immunology. 2002 ; Vol. 26, No. 1. pp. 27-34.
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