>The theory that heat can be used to help kill cancer cells comes from
an observation and review of scientific evidence by cancer researchers at
Johns Hopkins that testicular cancer patients, like seven-time Tour de
France winner Lance Armstrong, have much higher rates of survival than
others with different kinds of advanced cancer. Testicular cancer begins in
the testes, which are a few degrees cooler than the rest of the body. The
structural machinery of cancer cells spreading outside the testes may be
altered by the higher body temperatures, making them more susceptible to
standard chemotherapy treatments than other cancer types.
While heat therapy is in limited experimental use, researchers believe
the key to an effective treatment may be selectively heating cancer cells,
which can also prevent damage in adjacent healthy tissues. The goal, note
S.T.A.R. team members, is to find out the best way to deliver heat directly
to cancer cells. To do so, some of the S.T.A.R. Program researchers will
investigate the use of nanoparticles that are attracted to specific
proteins carried by cancer cells. Once the nanoparticle locates this
specific protein, it can enter the cancer cell, heating it from the inside
out after exposure to a magnetic field. The S.T.A.R. Program team will look
at this and other mechanisms for targeted heat delivery systems to cancer
cells.
In addition to Dr. Getzenberg at Johns Hopkins, the research team for
the S.T.A.R. Program includes:
-- Theodore L. DeWeese, M.D., Professor and Department Chairman of
Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins
University School of Medicine (Baltimore)
-- Donald Coffey, Ph.D., Professor of Urology, Oncology, Pathology,
Pharmacology and Molecular Sciences, Johns Hopkins University School
of Medicine (Baltimore)
-- Kenneth Pienta, M.D., Professor of Internal Medicine and Surgery,
and Director of the NCI Research Cen
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