Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer

Author:

Olive Kenneth P.1,Jacobetz Michael A.1,Davidson Christian J.2,Gopinathan Aarthi12,McIntyre Dominick1,Honess Davina1,Madhu Basetti1,Goldgraben Mae A.1,Caldwell Meredith E.1,Allard David1,Frese Kristopher K.1,DeNicola Gina12,Feig Christine1,Combs Chelsea2,Winter Stephen P.1,Ireland-Zecchini Heather1,Reichelt Stefanie1,Howat William J.1,Chang Alex3,Dhara Mousumi3,Wang Lifu24,Rückert Felix5,Grützmann Robert5,Pilarsky Christian5,Izeradjene Kamel6,Hingorani Sunil R.6,Huang Pearl7,Davies Susan E.8,Plunkett William9,Egorin Merrill10,Hruban Ralph H.3,Whitebread Nigel11,McGovern Karen11,Adams Julian11,Iacobuzio-Donahue Christine3,Griffiths John1,Tuveson David A.1

Affiliation:

1. Cancer Research UK, Cambridge Research Institute, The Li Ka Shing Centre, Robinson Way, Cambridge CB2 ORE, UK.

2. Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA.

3. Departments of Oncology and Pathology, The Sol Goldman Pancreatic Cancer Research Center, Sidney Cancer Center and Johns Hopkins University, Baltimore, MD 21287, USA.

4. Department of Gastroenterology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China.

5. Department of Surgery, University Hospital Dresden, Fetscherstrasse 74, 01307 Dresden, Germany.

6. Clinical Research and Public Health Sciences Division, Fred Hutchinson Cancer Research Center (FHCRC), and University of Washington, Seattle, WA 98109, USA.

7. Oncology Franchise, Merck and Company, North Wales, PA 19454, USA.

8. Department of Histopathology, Addenbrooke’s Hospital, Cambridge University Hospitals National Health Service (NHS) Foundation Trust, Cambridge CB2 2QQ, UK.

9. M. D. Anderson Cancer Center, University of Texas, Houston, TX 77030, USA.

10. Division of Hematology and Oncology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.

11. Infinity Pharmaceuticals, Cambridge, MA 01239, USA.

Abstract

It's All in the Delivery Pancreatic cancer is almost universally associated with a poor prognosis, in part because the tumors are resistant to chemotherapeutic drugs. Working with a mouse tumor model that displays many features of the human disease, Olive et al. (p. 1457 , published online 21 May; see the Perspective by Olson and Hanahan ) found that the tumors were poorly vascularized, a factor likely to impede drug delivery. Treatment of the mice with the chemotherapeutic drug gemcitabine in combination with a drug that depletes tumor-associated stromal tissue led to an increase in tumor vasculature, enhanced delivery of gemcitabine, and a delay in disease progression. Thus, drugs targeting the tumor stroma may merit investigation as a way to enhance the efficacy of conventional chemotherapy for pancreatic cancer.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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