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JCI online early table of contents: August 2, 2010
Date:8/2/2010

EDITOR'S PICK: Boosting the efficacy of anticancer vaccines

There are several challenges to be overcome if therapeutic anticancer vaccines, which are designed to boost the patient's anticancer immune response, are to be successfully developed. For example, the viruses used to deliver the tumor protein to the patient's immune system are themselves targeted by the patient's immune system, inducing neutralizing and suppressive responses. But now, a team of researchers, led by Michael Morse, at Duke University Medical Center, Durham, has developed a way to overcome these neutralizing and suppressive responses by using an alphavirus packaged in virus-like replicon particles. Repeated administration of such particles carrying the tumor protein CEA to patients with metastatic cancer expressing CEA induced clinically relevant immune responses targeted to CEA. As the presence of such immune responses was associated with longer overall patient survival, the authors hope their approach might be of therapeutic use in many cancer settings.

TITLE: An alphavirus vector overcomes the presence of neutralizing antibodies and elevated numbers of Tregs to induce immune responses in humans with advanced cancer

AUTHOR CONTACT:
Michael A. Morse
Duke University Medical Center, Durham, North Carolina, USA.
Phone: 919.681.3480; Fax: 919.681.7970; E-mail: morse004@mc.duke.edu.

View this article at: http://www.jci.org/articles/view/42672?key=6b32a2643b93a9932287


ONCOLOGY: Genetic mutations determine breast cancer subtype

Breast cancers can be divided into different subtypes based on several criteria, including the marker proteins they express. Different tumor subtypes are associated with different clinical outcomes; for example, breast cancers lacking expression of the protei
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Contact: Karen Honey
press_releases@the-jci.org
734-546-5242
Journal of Clinical Investigation
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