The CXC chemokine receptor (CXCR) 3 and its chemokines (CXCL9, CXCL10, CXCL11) 
are involved in the pathogenesis of autoimmune disesases. Under the influence of interferon 
(IFN) γ, the IFNγ-inducible chemokines are secreted by lymphocytes, and by target cells 
(fibroblasts, epithelial cells, etc). In target tissues, Th1 lymphocytes are recruited; hence IFNγ 
is enhanced, which stimulates IFNγ-inducible chemokines (CXCL9, CXCL10, CXCL11) 
secretion reiterating the autoimmune process. Many studies have evaluated if blockade of ..

Antonelli, Alessandro

Fallahi, Poupak

FERRARI, Silvia Martina

FERRI, Clodoveo

GIUGGIOLI, DILIA

Poupak Fallahi

Silvia Ferrari

Dilia Giuggioli

Clodoveo Ferri

Alessandro Antonelli

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Letters in Drug Design & Discovery

Application of Agents Against Interferon-Gamma-Dependent Chemokines in Immunotherapy

The C-X-C chemokine receptor (CXCR)3 and its chemokines (CXCL9, CXCL10, CXCL11) are involved in the pathogenesis of autoimmune disesases. Under the influence of interferon( IFN)gamma, the IFN gamma-inducible chemokines are secreted by lymphocytes, and by target cells (fibroblasts, epithelial cells, etc). In target tissues, Th1 lymphocytes are recruited; hence IFN. is enhanced, which stimulates IFN gamma-inducible chemokines (CXCL9, CXCL10, CXCL11) secretion reiterating the autoimmune process.

Many studies have evaluated if blockade of CXCR3 or its chemokines have therapeutic significance in autoimmune diseases (for example in thyroid autoimmune disorders, etc).

Peroxisome proliferator-activated receptor (PPAR)gamma or -alpha agonists show a strong inhibitory effect on the expression and production of CXCR3 chemokines in vitro, in various kinds of cells, such as denditric cells, monocytes, macrophages, endothelial and vascular smooth muscle cells, intestinal cells, thyrocytes, fibroblasts, preadipocytes and mesangial cells, and in vivo in animal models.

Further studies are ongoing to explore the use of new molecules that act as antagonists of CXCR3, or block CXCL10, in autoimmune disorders, and many interesting patents have been recently applied. Phase II studies have assessed the efficacy and safety of fully human, monoclonal antibodies to CXCL10, for the treatment of autoimmune disorders (for example rheumatoid arthritis, or ulcerative colitis)

Application of Agents Against Interferon-Gamma-Dependent Chemokines in Immunotherapy

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