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Pulmonary fibrosis inhibited by pentraxin-2/SAP in research study
Date:2/10/2011

MALVERN, PA February 10, 2011 Promedior, Inc., a clinical stage biotechnology company developing novel therapies to treat fibrotic and inflammatory diseases, announced today the publication of collaborative research in the International Journal of Biochemistry and Cell Biology entitled, "TGF-beta driven lung fibrosis is macrophage dependent and blocked by Serum amyloid P." The research showed that human Pentraxin-2 (PTX-2), also called human Serum amyloid P (SAP), potently inhibits all undesirable pro-fibrotic pathologies driven by TGFβ1 and represents a novel therapeutic approach for the treatment of diseases that involve lung fibrosis, including idiopathic pulmonary fibrosis (IPF). This research validates that PTX-2/SAP can have therapeutic effects even in conditions driven by TGFβ1 growth factor, and builds on the body of research showing the unique role of PTX-2/SAP in activating the body's natural ability to resolve tissue damage in disease processes that cause fibrosis and inflammation.

In this study, researchers examined the effects of PTX-2/SAP in the lung specific TGFβ1 transgenic mouse model, since many of the pathogenic mechanisms observed in lung fibrosis can be stimulated by the growth factor TGFβ1. Highlights of the results from this study validating the potential therapeutic effects of PTX-2/SAP in pulmonary fibrosis included:

  • PTX-2/SAP inhibited all of the pathologies driven by TGFβ1 including apoptosis, airway inflammation, pulmonary fibrocyte and M2 macrophage accumulation and collagen deposition, without affecting the levels of TGFβ1 in the lung;

  • An abbreviated therapeutic dose schedule was equally efficacious and demonstrated a sustained durability of effect following cessation of drug dosing, suggesting that intermittent dosing may be feasible in human patients;

  • PTX-2/SAP levels were reduced in the serum of IPF patients when compared to clos
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Contact: Kathryn Morris
kathryn@theyatesnetwork.com
845-635-9828
Yates Public Relations
Source:Eurekalert

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