HOME >> BIOLOGY >> NEWS
Researchers wake up viruses inside tumors to image and then destroy cancers

PHILADELPHIA -- Researchers have found a way to activate Epstein-Barr viruses inside tumors as a way to identify patients whose infection can then be manipulated to destroy their tumors. They say this strategy could offer a novel way of treating many cancers associated with Epstein-Barr, including at least four different types of lymphoma and nasopharyngeal and gastric cancers.

In the March 1 issue of Clinical Cancer Research, a team of radiologists and oncologists from Johns Hopkins Medical Institutions describe how they used two agents already on the market − one of which is the multiple myeloma drug Velcade − to light up tumor viruses on a gamma camera. The technique is the first in the new field of in vivo molecular-genetic imaging that doesn't require transfecting tumors with a "reporter" gene, the scientists say.

"The beauty of this is that you don't have to introduce any reporter genes into the tumor because they are already there," says radiologist Martin G. Pomper, M.D., Ph.D. "This is the only example we know of where it is possible to image activated endogenous gene expression without having to transfect cells."

A variety of blood and solid cancers are more likely to occur in people who have been infected with the Epstein-Barr virus (EBV), but not everyone with these cancers has such infections. For those who do, researchers, such as Hopkins oncologist and co-author Richard F. Ambinder, M.D., Ph.D., have been working on ways to activate the reproductive, or "lytic" cycle, within the virus to make it replicate within the tumor cell. When enough viral particles are produced, the tumor will burst, releasing the virus. In animal experiments, this experimental therapy, called lytic induction therapy, results in tumor death.

As the first step in this study, researchers screened a wide variety of drugs to see if any of them could reawaken the virus. They were fortunate in that one of the genes that is expre
'"/>

Contact: Greg Lester
lester@aacr.org
267-646-0554
American Association for Cancer Research
1-Mar-2007


Page: 1 2 3

Related biology news :

1. Researchers find pathway that controls cell size and division
2. Researchers watch antibiotics, bacteria meet at atomic level
3. Researchers discover gene responsible for Restless Legs Syndrome
4. Researchers witness natural selection at work in dramatic comeback of male butterflies
5. Researchers discover human embryonic stem cells are the ultimate perpetual fuel cell
6. Researchers use new approach to predict protein function
7. Researchers probe risks, benefits of folic acid fortification
8. Researchers identify genetic mutation that may alter tumor cell proliferation
9. Researchers discover method for identifying how cancer evades the immune system
10. Researchers use adult stem cells to create soft tissue
11. Researchers find gene that spurs development of the epididymis

Post Your Comments:
(Date:7/30/2014)... A group of researchers from the University of Helsinki ... experimentally to reproduce in mice morphological changes which have ... gradual modifications in the embryonic development of mice teeth, ... morphologically are very similar to those observed in the ... millions of years ago. , To modify the ...
(Date:7/30/2014)... is pleased to announce its new relationship with the ... and CINP will partner to publish International Journal ... open-access journal. , Alan Frazer, Editor-in-Chief of IJNP ... expertise of OUP will further facilitate the goal for ... very leading journals within neuropsychopharmacology. The conversion of the ...
(Date:7/30/2014)... $1 million from the Cornelia Cogswell Rossi Foundation to ... , The newly established Connie Cogswell Rossi ... a greater breadth and depth of knowledge of neurobehavioral ... of research to improve human health. , The new ... Laboratory and its external partners, supporting research to enhance ...
Breaking Biology News(10 mins):Scientists reproduce evolutionary changes by manipulating embryonic development of mice 2OUP to partner with the International College of Neuropsychopharmacology 2Rossi Foundation pledges $1M for JAX neurobehavioral research center 2
(Date:7/30/2014)... (PRWEB) July 30, 2014 ... of leading Immunologists, Principle Investigators, scientists in the ... J Malemud, Professor at Case Western Reserve University ... his keynote address on “The effects of ... production of matrix metalloproteinase-9”. Arya Biragyn, a Senior ...
(Date:7/29/2014)... 2014 SoundConnect , an ... is proud to announce the strategic additions of ... their Boston, Charleston and Atlanta offices. SoundConnect’s ... demand for hosted solutions, collaboration and mobility that ... cost. , SoundConnect was founded in 2004, with ...
(Date:7/29/2014)... have hurdled a number of significant technological challenges ... observing technology originally created for the James Webb ... Investigator Harvey Moseley, a scientist at NASA,s Goddard ... that electrostatically actuated microshutter arrays that is, ... are as functional as the current technology,s magnetically ...
(Date:7/29/2014)... DIEGO , July 29, 2014   Sequenom, ... sciences company that provides innovative genetic analysis solutions, and ... of esoteric laboratory services in the United ... noninvasive prenatal testing patents and applications. "We ... innovation, and patient care, and we welcome the opportunity ...
Breaking Biology Technology:Unveiling Breakthroughs in Clinical & Cellular Immunology 2Unveiling Breakthroughs in Clinical & Cellular Immunology 3SoundConnect Organization and Culture is Evolving 2Revolutionary microshutter technology hurdles significant challenges 2Revolutionary microshutter technology hurdles significant challenges 3Revolutionary microshutter technology hurdles significant challenges 4Sequenom Enters Into License Agreement With Mayo Medical Laboratories 2Sequenom Enters Into License Agreement With Mayo Medical Laboratories 3Sequenom Enters Into License Agreement With Mayo Medical Laboratories 4
Cached News: