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Thursday, May 13, 2010
Sad News from HB's Relative
Thursday, May 14, 2009
Sad To Hear About Someone
Sunday, July 6, 2008
Malaysian medicine cuts chemo resistance
McGill University researchers said the study focused on a class of natural products known as cyclopenta benzofuran flavaglines, or CBFs. Working with mice genetically modified to mimic human leukemias, they found the CBF compound silvestrol can make tumors susceptible to the killing effects of anticancer drugs.
Silvestrol is a natural compound derived from a large genus of trees and shrubs found in Malaysia, South China and some Pacific islands, the scientists said. It's been used in Malaysian folk medicine for generations, but never as a cancer therapy.
The researchers cautioned trials in humans and possible treatments are still many years away.
The results of the study that included Boston University, the Sloan-Kettering Cancer Center, the University of Vienna and the Howard Hughes Medical Institute are published in the June issue of The Journal of Clinical Investigation.
Copyright 2008 by United Press International
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Saturday, May 17, 2008
Mammogram, not biopsy, for breast lesions
In a study published in American Journal of Roentgenology, researchers said six-month short-interval follow-up diagnostic mammogram had an 83 percent sensitivity rating -- meaning a relatively high proportion of true cancers were being identified, with a low proportion of cases mistakenly deemed benign.
"Because the probability of cancer is so low, we don't want to put the patient through an unnecessary biopsy, which is an invasive procedure that increases both patient anxiety and medical costs," study lead author Erin J. Aiello Bowles of the Group Health Center for Health Studies in Seattle said in a statement.
The study included 45,007 initial short-interval follow-up mammograms. In the study, 360 women with "probably benign" lesions were diagnosed with breast cancer within six months, and 506 women were diagnosed with cancer within 12 months.
The approximately one out of a 100 probably benign lesions linked to a cancer diagnosis within the year points to a need to monitor these patients, because "we want to detect the cancers as early as possible," Bowles said. After the six-month diagnostic mammograms, follow-ups should continue for the next two to three years "until long-term stability is demonstrated."
Copyright 2008 by United Press International
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Tuesday, April 29, 2008
Viruses may be linked to lung cancer
LOUISVILLE, Ky. (UPI) -- U.S. and Israeli researchers suggest viruses may have a role in the development of lung cancer.
The researchers all agree smoking is by far the most important risk factor for lung cancer, but Dr. Arash Resazadeh and colleagues from the University of Louisville, Ky., found five out of 22 non-small-cell lung cancer samples tested positive for human papilloma virus.
"We think HPV has a role as a co-carcinogen which increases the risk of cancer in a smoking population," Resasadeh said in a statement.
In another study, Samuel Ariad from Soroka Medical Center in Beer Sheva, Israel, and colleagues found more than half of the 65 patients with non-small-cell lung cancer had evidence of measles virus in tissue samples taken from their cancer.
In his study, Ariad found the "measles virus is a ubiquitous human virus that may be involved in the pathogenesis of lung cancer. Most likely, it acts in modifying the effect of other carcinogens and not as a causative factor by itself."
Both studies have been presented at the First European Lung Cancer Conference in Geneva, Switzerland, jointly organized by the European Society for Medical Oncology and the International Association for the Study of Lung Cancer.
Copyright 2008 by United Press International
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Thursday, April 24, 2008
Study discovers how cancer cells spread
MONTREAL (UPI) -- Canadian scientists say they've discovered cancer cells spread by releasing protein "bubbles" -- a finding that might alter our concept of how cancer works.
The discovery was made by Dr. Janusz Rak and colleagues at the Research Institute of the McGill University Health Center in collaboration with Dr. Ab Guha of the University of Toronto.
The researchers found cancer cells are able to communicate with their more healthy counterparts by releasing vesicles -- bubble-like structures containing cancer-causing proteins that can trigger specific mechanisms when they merge into non- or less-malignant cells.
Rak said the finding demonstrates that cancer is a multi-cell process, where the cells "talk" to one another extensively.
"This goes against the traditional view that a single 'mutated' cell will simply multiply uncontrollably to the point of forming a tumor," said Rak. "This discovery opens exciting new research avenues, but we also hope that it will lead to positive outcomes for patients."
The study appears in the online edition of the journal Nature Cell Biology.
Copyright 2008 by United Press International
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Tuesday, March 11, 2008
The top five cancer-causing foods!!
The top five cancer-causing foods are:
1. Hot dogs
Because they are high in nitrates, the Cancer Prevention Coalition advises that children eat no more than 12 hot dogs a month. If you can't live without hot dogs, buy those made without sodium nitrate.
Also high in the same sodium nitrates found in hot dogs, bacon, and other processed meats raise the risk of heart disease. The saturated fat in bacon also contributes to cancer.
3. Doughnuts
Doughnuts are cancer-causing double trouble. First, they are made with white flour, sugar, and hydrogenated oils, then fried at high temperatures. Doughnuts, says Adams , may be the worst food you can possibly eat to raise your risk of cancer.
4. French fries
Like doughnuts, French fries are made with hydrogenated oils and then fried at high temperatures. They also contain cancer- causing acryl amides which occur during the frying process. They should be called cancer fries, not French fries,
said Adams .
5. Chips, crackers, and cookies
All are usually made with white flour and sugar. Even the ones whose labels claim to be free of trans-fats generally contain small amounts of trans-fats.
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