Immunological effects and therapeutic role of C5a in cancer

Victoria R. Darling, Ralph J. Hauke, Stefano Tarantolo, Devendra K. Agrawal

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations


The specific role of C5a in cancer, especially in melanoma, has yet to be determined. Differential effects of C5a could be cancer specific. In the host defense system, C5a functions to protect the body from harmful entities via a plethora of mechanisms. Yet, C5a may also serve to potentiate cancerous process. C5a facilitates cellular proliferation and regeneration by attracting myeloid-derived suppressor cells and supporting tumor promotion. In this article, we critically reviewed the properties, mechanisms of action and functions of C5a, with particular emphasis on cancer inhibition and promotion, and clinical application of such knowledge in better management of patients with cancer. Outstanding questions and future directions in regard to the function of C5a in melanoma and other cancers are discussed.

Original languageEnglish
Pages (from-to)255-263
Number of pages9
JournalExpert Review of Clinical Immunology
Issue number2
StatePublished - Feb 1 2015

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Medicine(all)


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