| |
Research
Briefs Summer/Fall 2004
Highlights of Current Research at The Wistar Institute
NEW DIAGNOSTIC FOR APPENDICITIS: An
antibody discovered by scientists at The Wistar Institute will
help doctors diagnose cases of appendicitis quickly and accurately.
NeutroSpec™, a new imaging agent approved by the Food and
Drug Administration in July, is based on a Wistar-discovered monoclonal
antibody called SSEA1. NeutroSpec™ binds to a type of white
blood cell that travels through the body to sites of infection.
When injected into the blood, NeutroSpec™ binds to these
white blood cells battling an infection, enabling physicians to
detect the infection with a gamma camera, a common piece of equipment
in hospitals. The Wistar antibody was developed further by Palatin
Technologies with assistance from Thomas Jefferson University . The
Philadelphia Inquirer reported on the FDA’s approval
of NeutroSpec™ and the Wistar discovery that made the advance
possible in a front-page story in July.
UNDERSTANDING A CANCER GENE: First
discovered twenty years ago, the cancer gene MYC is the most overexpressed
oncogene in human cancers. The promise of therapies targeting MYC
appears especially great; MYC mutations are associated with a wide
range of common cancer types, including breast, colon, ovarian
and prostate cancers, and melanoma. Recent studies have determined
that the MYC protein, known as a transcription factor, binds to
about 15 percent of all genes. Scientists had long believed that
when MYC binds to a target gene, it turns that gene on, or activates
it. Surprisingly, new work by scientists including Wistar assistant
professor Steven B. McMahon, Ph.D., demonstrates that MYC frequently
binds to genes without activating them. The unexpected discovery
that MYC binds to a large percentage of genes without activating
them calls into question long-held assumptions about MYC’s
functioning and opens new directions for MYC research, McMahon
says.
MAJOR SKIN CANCER GRANT: A scientist at The
Wistar Institute is heading a major skin-cancer research effort
supported by a highly competitive grant from the National Cancer
Institute (NCI). Meenhard Herlyn, D.V.M., D.Sc., professor and
leader of Wistar’s
Molecular and Cellular Oncogenesis Program, is the principal investigator
of a Specialized Program of Research Excellence (SPORE), one of only
three SPOREs in the country related to skin cancer. Recently, Herlyn’s
SPORE was renewed by the NCI for $2.3 million per year through 2009.
His project focuses on melanoma and cutaneous T cell lymphoma, the
deadliest forms of skin cancer. The NCI established the SPORE program
in 1992 to promote interdisciplinary research and to speed the transfer
of basic research findings from the laboratory to hospitals and clinics
to improve cancer diagnosis and treatment. In addition to skin cancer,
the NCI funds SPOREs supporting research into many other major types
of cancer, including breast, prostate, lung, ovarian and brain cancers,
and lymphoma. The Wistar Institute is the only NCI Cancer Center
focused on basic research that holds a SPORE grant.
|
|