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S100A9 as a pharmacological target molecule in inflammation and cancer.

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Author

Summary, in English

Upon tissue injury and infection both stressed and dying cells can release proteins that normally reside inside the cells. Some of the released proteins become ligands of various cell surface receptors expressed by local cells and such proteins are denoted damage associated molecular patterns (DAMPs). Binding of some DAMPs to certain cell surface receptors induces signals emanating in the production of pro-inflammatory cytokines, ultimately leading to an inflammatory response. Our laboratory is interested in the S100A9 protein, a bona fide DAMP protein. This protein normally resides inside monocytes and neutrophils and in these cells it forms heterodimers with the S100A8 protein. The S100A8/A9 heterodimer is released in large amounts during several types of inflammatory disease and is currently used clinically as a biomarker in some diseases. The fact that several different pro-inflammatory functions have been ascribed to this protein makes it a potential target for the development of small molecule inhibitors. We have developed several such inhibitors, some of which are already in phase III clinical development. This review describes our efforts to investigate the biological functions of the S100A9 protein as well as our ongoing efforts of developing second-generation, more specific, small molecule inhibitors of its pro-inflammatory functions.

Department/s

  • Immunology
  • BioCARE: Biomarkers in Cancer Medicine improving Health Care, Education and Innovation

Publishing year

2015

Language

English

Pages

97-104

Publication/Series

Endocrine, Metabolic & Immune Disorders - Drug Targets

Volume

15

Issue

2

Document type

Journal article

Publisher

Bentham Science Publishers

Topic

  • Immunology in the medical area

Status

Published

Research group

  • Immunology

ISBN/ISSN/Other

  • ISSN: 2212-3873