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Cancer risk from medical radiation may have been overestimated
By Dross at 2010-12-01 13:04
 

 

The risk of developing radiation-induced cancer from computed tomography (CT) may be lower than previously thought, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

read more | 1 comment | 1438 reads

The American Society of Hematology's 52nd Annual Meeting and Exposition Showcases the Latest Advances in the Field
By Dross at 2010-12-01 05:02
 


We'll be at the 52nd annual ASH meeting in Orlando in a few days. Read more about this, the largest hematology conference in the U.S. Here. 

read more | 1482 reads

Crystal structure of the eukaryotic ribosome solved to 4 angstrom
By Dross at 2010-12-01 04:01
 
One of the holy grails of X-ray crystallography was the structure of the eukaryotic ribosome. That feat has now been achieved by the Strasbourg group including Adam Ben-Shem. The structure was obtained by developing newer faster methods of purifying the ribozome before allowing it to crystallize. The process included starving the cell of glucose to obtain a homogeneous population of ribosomes. The data set has a resolution of 4.15 angstrom although the team is currently working on a data set down to 3 angstrom.
 
read more | 1139 reads

Celebrex may help prevent some non-melanoma skin cancers
By Dross at 2010-12-01 01:59
 

 

 New research shows the NSAID Celebrex may help prevent some non-melanoma skin cancers from developing in patients who have pre-cancerous actinic keratoses lesions and are at high risk for having the disease.

read more | 1 comment | 2233 reads

Drop in breast cancer rates directly tied to reduced hormone therapy
By Dross at 2010-11-30 22:46
 

In a new UCSF study of more than 2 million mammogram screenings performed on nearly 700,000 women in the United States, scientists for the first time show a direct link between reduced hormone therapy and declines in ductal carcinomaterm in situ (DCIS) as well as invasive breast cancer. The researchers saw such a striking decrease, they believe they also have uncovered indirect evidence that hormones promote breast tumor growth.

read more | 2308 reads

Visitors of immunocompromised patients should allow their hands to dry after washing to avoid cold and flu transmission
By Dross at 2010-11-30 19:44
 

 Americans spend more than $3.6 billion each year on cold remedies(i), but neglect a simple action that could help ward off cold and flu in the first place.  Washing and drying their hands. Hand washing is recognized as a good way to prevent cold and flu, but hand drying is just as important – damp hands can spread up to 1,000 times more bacteria than dry ones.

read more | 1117 reads

Sporadic breast cancers start with ineffective DNA repair systems, Pitt researchers find
By Dross at 2010-11-30 05:13
 

 PITTSBURGH, Nov. 29 – Breast cancers that arise sporadically, rather than through inheritance of certain genes, likely start with defects of DNA repair mechanisms that allow environmentally triggered mutations to accumulate, according to researchers at the University of Pittsburgh School of Medicine, Magee-Womens Hospital of UPMC and the University of Pittsburgh Cancer Institute.

read more | 2105 reads

Tiny RNA shown to cause multiple types of leukemia
By Dross at 2010-11-30 05:09
 

 

CAMBRIDGE, Mass. (November 29, 2010) – Whitehead Institute researchers have shown in mouse models that overexpression of the microRNA 125b (miR-125b) can independently cause leukemiaterm and accelerate the disease's progression. Their results are published in this week's online edition of the Proceedings of the National Academy of Sciences (PNAS).

read more | 2501 reads

Cytogenetic follow-up by karyotyping and fluorescence in situ hybridization: implications for monitoring patients with MDS
By Dross at 2010-11-30 02:12
 

 In patients with low and intermediate risk myelodysplastic syndrome and deletion 5q (del(5q)) treated with lenalidomide, monitoring of cytogenetic response is mandatory, since patients without cytogenetic response have a significantly increased risk of progression. Therefore, we have reviewed cytogenetic data of 302 patients. Patients were analyzed by karyotyping and fluorescence in situ hybridization. In 85 patients, del(5q) was only detected by karyotyping.

read more | 2 comments | 1890 reads

Partial reversal of aging achieved in mice
By Dross at 2010-11-30 01:12
 

Harvard scientists have expressed augmented levels of telomerase in mouse models of aging, resulting in new brain and testes growth. Importantly the mice did not show signs of developing cancer. 

 

Please follow here for more on this story: http://news.harvard.edu/gazette/story/2010/11/partial-reversal-of-aging-achieved-in-mice/ 

 

1068 reads

Bad news for marijuana users: cannabis suppresses immune functions
By Dross at 2010-11-29 23:46
 

 

An international team of immunologists studying the effects of cannabis have discovered how smoking marijuana can trigger a suppression of the body's immune functions. The research, published in the European Journal of Immunology, reveals why cannabis users are more susceptible to certain types of cancers and infections.

read more | 1132 reads

Dartmouth Study Uses the Patient's Tumor to Form Vaccine
By Dross at 2010-11-29 22:45
 

A new process for creating a personalized vaccine may become a crucial tool in helping patients with colorectal cancer develop an immune response against their own tumors. This dendritic cell (DC) vaccine, developed at Dartmouth and described in a research paper published this week in the journal Clinical Cancer Research, was used after surgical resection of metastaticterm tumors to try to prevent the growth of additional metastases.

read more | 2 comments | 2274 reads

New imaging technique accurately finds cancer cells, fast
By Dross at 2010-11-29 22:41
 

Researchers at the university of Illinois, led by Stephen Boppart have developed a system of tumor cell detection based on increased concentrations of protein present in cancer cells and the increased resonance of of those proteins at the selected wavelength of light. For more information on what at cancer focus think is a novel technique, visit The University of Illinois or read the paper in the upcoming issue of Cancer Research.

 

read more | 966 reads

Women with personal history of breast cancer should be screened with MRI
By Dross at 2010-11-29 21:29
 


CHICAGO – Women with a personal history of breast cancer should consider annual screening with MRI in addition to mammography, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

read more | 1846 reads

New prostate cancer imaging shows real-time tumor metabolism
By Dross at 2010-11-29 21:24
 


A UCSF research collaboration with GE Healthcare has produced the first results in humans of a new technology that promises to rapidly assess the presence and aggressiveness of prostate tumors in real time, by imaging the tumor's metabolism.

read more | 1729 reads

 
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