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Vitamin D in cancer patients: above all, do no harm. Goodwin PJ. J Clin Oncol. 2009 May 1;27(13):2117-9. Epub 2009 Apr 6. PMID: 19349538

A research team has shown an additive in a popular potato chip can rid the body of toxins, but do the benefits outweigh the harm?

A research team has shown an additive in a popular potato chip can rid the body of toxins, but do the benefits outweigh the harm?

A comprehensive diagnostic and prognostic cancer (oncology) biomarker database with cancer companion diagnostics biomarker pathway maps, which contain protein-protein interactions networks of cancer drug efficacy/response/predictive biomarkers. This database contains discovery, pre-clinical and clinical cancer biomarkers that were identified or validated using patient samples. The biomarkers include blood based cancer biomarkers, tumor biomarkers, urinary cancer biomarkers, fecal cancer biomarkers, saliva cancer biomarkers, breath cancer biomarkers etc. Patient/sample details, experimental results/observations, biological and molecular functional analysis, biological process analysis, protein-protein interaction networks of each biomarker are included in this database.Link (preview is available): http://www.sciclips.com/sciclips/diagnostic-prognostic-cancer-biomarker-main.do

The active compound in marijuana, THC, can slow the growth of lung tumours and reduce the spread of the cancer in mice, a preliminary study reveals. Human lung cancer tumours grew less than half as fast in mice that received moderate doses of the compound, the researchers reveal. They hope that drugs mimicking the apparent anti-cancer effects of tetrahydrocanabinol (THC) could one day help treat patients. The team strongly discourage people from self-medicating by smoking marijuana, noting that doing so could potentially encourage tumour growth.

A new approach to cancer treatment called immunotherapy could spare patients at least some of the grueling battery of chemotherapy treatments by retraining the body's own defenders--the cells of the immune system--to recognize and destroy tumors. Now researchers at Harvard University have developed a simple way to do this inside the body: a polymer implant attracts and trains immune-system cells to go after cancer. The experimental approach has shown great success in animal studies, increasing the survival rate of mice with a deadly melanoma from 0 to 90 percent. The implant could also be used to treat diseases of the immune system such as arthritis and diabetes, and, potentially, to train other kinds of cells, including stem cells used to repair damage to the body.

"Compounds similar to those found in cannabis have been shown to stop prostate cancer cells from multiplying. Two cannabinoid compounds, JWH-015 and MET, stopped prostate tumour growth in human prostate cells in Petri dishes and also in mice with the disease. They halted the cell-division cycle and killed the cancer cells, and had the greatest effect on aggressive prostate cancer cell types, which do not respond to hormone treatments. Some 192,000 men in the US alone are diagnosed with prostate cancer each year, and researchers Inés Díaz-Laviada Marturet at the University of Alcalá, Spain, and her colleagues say the results could offer hope to those affected. But before you go looking for a dealer, New Scientist answers a few questions"

What is VITAL? The VITamin D and OmegA-3 TriaL (VITAL) is a research study in 20,000 U.S. men and women investigating whether taking daily dietary supplements of vitamin D (about 2000 IU) or fish oil (about 1 gram of omega-3 fatty acids) reduces the risk of developing cancer, heart disease, and stroke in people who do not have a prior history of these illnesses. Recruitment for the study will begin in January 2010.

There is new research out this morning from South Dakota State University which offers evidence that including flax in the diet may help prevent colorectal tumors or keep tumors from growing as quickly when they do form. Professor C. Dwivedi, head of SDSU's Department of Pharmaceutical Sciences, directed the study. The study was conducted in mice that develop spontaneous intestinal tumors. This strain of mouse is often used as a model by cancer researchers due to this mutation.

The association of solar ultraviolet B (UVB) with reducing risk of cancer: multifactorial ecologic analysis of geographic variation in age-adjusted cancer mortality rates. Grant WB, Garland CF. Anticancer Res. 2006 Jul-Aug;26(4A):2687-99. PMID: 16886679 CONCLUSION: These results provide additional support for the hypothesis that solar UVB, through photosynthesis of vitamin D, is inversely-associated with cancer mortality rates, and that various other cancer risk-modifying factors do not detract from this link. It is thought that sun avoidance practices after 1980, along with improved cancer treatment, led to reduced associations in the latter period. The results regarding solar UVB should be studied further with additional observational and intervention studies of vitamin D indices and cancer incidence, mortality and survival rates.

Mitochondrially targeted effects of berberine [Natural Yellow 18, 5,6-dihydro-9,10-dimethoxybenzo(g)-1,3-benzodioxolo(5,6-a) quinolizinium] on K1735-M2 mouse melanoma cells: comparison with direct effects on isolated mitochondrial fractions. Pereira GC, Branco AF, Matos JA, Pereira SL, Parke D, Perkins EL, Serafim TL, Sardão VA, Santos MS, Moreno AJ, Holy J, Oliveira PJ. J Pharmacol Exp Ther. 2007 Nov;323(2):636-49. Epub 2007 Aug 17. PMID: 17704354 doi: 10.1124/jpet.107.128017 The present work shows that berberine is accumulated by mitochondria of a mouse melanoma cell line, leading to mitochondrial fragmentation and dysfunction, accompanied by decreased cellular energy charge. When the effect was compared with the results obtained on isolated mitochondrial fractions, it is observed that regardless of the system used, berberine is toxic for mitochondria. One major limitation of the present study (as in many others) is the lack of knowledge of the real concentration of berberine that reaches mitochondria in intact cells. Although we do not possess data regarding this aspect, it is wise to speculate that mitochondrial berberine concentrations will be much higher than in the bulk cytosol due to electrophoretic accumulation. We believe that the range of berberine concentrations accumulated by mitochondria in intact cells is within the range of concentrations used on isolated mitochondrial fractions in the present study. The present work not only provides insights on the mechanism by which berberine interferes with tumor cell proliferation, demonstrating previously unknown effects on mitochondrial physiology, but also raises a note of caution on the use of berberine as a nontoxic "natural" over-the-counter medication.

In the largest study of its kind to date, Stanford University School of Medicine researchers have shown that women related to a patient with a breast cancer caused by a…

"For years, it's been the perfect excuse for secret admirers to steal a kiss with the object of their desire. But research suggests mistletoe could do much more than just ignite Christmas passions. Scientists have found an extract of the plant could help to fight bowel cancer, which affects 37,500 a year in the UK. Patients who had the mistletoe treatment regularly injected into their blood had fewer side-effects from toxic chemotherapy and radiotherapy and survived longer than those who did not. The extract is thought to help the body's immune system fight tumours and speed up the disposal of toxic 'debris' left by chemotherapy. Researchers led by Professor Kurt Zanker from the German Institute of Immunology and Experimental Oncology, concluded: 'The results suggest convincing evidence that there is a significant benefit from treatment with mistletoe extract.' The scientists treated 429 cancer patients with the mistletoe jab and compared them with 375 receiving conventional care. The results, published in the journal of The Society For Integrative Oncology, showed only 19 per cent of those in the mistletoe group suffered side-effects from toxic treatments, compared to 48 per cent in the other group. They were also 32 per cent more likely to still be alive five years after starting therapy."

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New computer model analyzes microscopic breast cancer images and predicts patient survival better than the pathologists who do the job now.

Cell line is a permanently established cell culture that can proliferate indefinitely given appropriate fresh medium and space. Cell line differs from cell strain in that they have escaped the Hayflick limit and become immortalised. Some species, rodents in particular, give rise to cell lines relatively easily, whereas other species do not.

Deciding upon a course of treatment for cancer is a personal decision that shouldn't be reached lightly.