http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. A common virus known to cause cervical and head and neck cancers may also trigger some cases of lung cancer, according to new research presented by Fox Chase Cancer Center at the AACR Annual Meeting 2013 on Wednesday, April 10. http://medicalxpress.com/news/2013-04-lung-cancers-linked-common-virus.html Cancer Wed, 10 Apr 2013 09:15:43 EST news284804136 By loading fragile RNA into silicon nanoparticles, researchers from The Methodist Hospital and two other institutions found a new drug delivery system can reduce the size of ovarian tumors by as much as 83 percent—and stop tumor growth in chemotherapy-resistant ovarian cancer tissue. http://medicalxpress.com/news/2013-02-nanoteched-rna-drug-ovarian-cancer.html Cancer Thu, 14 Feb 2013 08:30:01 EST news280052808 Genetic sequencing technology is altering the way cancer is diagnosed and treated, but traditional specimen handling methods threaten to slow that progress. http://medicalxpress.com/news/2013-01-scripps-physicians-cancer-tissue.html Cancer Fri, 04 Jan 2013 13:09:32 EST news276527366 The first-ever comprehensive study of prostate cancer tissue has revealed a completely new gene network driving the disease in patients who have stopped responding to standard hormone treatment, according to Cancer Research UK research published today in Cancer Cell. http://medicalxpress.com/news/2012-12-world-first-tissue-re-shape-future-advanced.html Cancer Fri, 21 Dec 2012 06:39:37 EST news275294369 A new study published in BJS has demonstrated for the first time that a simple breath analysis could be used for colorectal cancer screening. The study is part of the "Improving Outcomes in Gastrointestinal Cancer" supplement. http://medicalxpress.com/news/2012-12-possibly-colorectal-cancer.html Cancer Wed, 05 Dec 2012 00:00:02 EST news273864155 A team led by David Rimm, professor of pathology at Yale School of Medicine, investigated protein expression in breast tissue biomarkers to determine whether the time from tissue removal to fixation in preservative can affect the accuracy of testing for cancer. http://medicalxpress.com/news/2012-11-gauging-accuracy-breast-cancer-biomarker.html Cancer Thu, 01 Nov 2012 10:23:00 EST news270984170 BGI Tech Solutions announced today that they have achieved whole exome sequencing analysis of total degraded DNA as low as 200 ng from formalin fixed paraffin embedded (FFPE) samples. This advancement enables researchers to efficiently uncover the genetic information from FFPE disease samples such as cancers and infectious diseases, with the advantages of high reliability, accuracy and fast turnaround time. http://medicalxpress.com/news/2012-09-bgi-exome-sequencing-analysis-ffpe.html Genetics Tue, 18 Sep 2012 09:51:55 EST news267180706 A Phase I/II, multi-center trial designed to test the safety and preliminary efficacy of a first in class cancer treatment opened worldwide today at the Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, a partnership between Scottsdale Healthcare and the Translational Genomics Research Institute (TGen). PR610 is designed to become activated in tissues with low levels of oxygen, which is characteristic of many cancers. This "targeted" approach should deliver more active drug to cancer tissue and less active drug to normal tissue. http://medicalxpress.com/news/2012-08-non-small-cell-lung-cancer.html Cancer Wed, 29 Aug 2012 16:11:37 EST news265475483 Researchers at Aalto University in Finland have developed the world's first device designed for mapping the human brain that combines whole-head magnetoencephalography (MEG) and magnetic resonance imaging (MRI) technology. MEG measures the electrical function and MRI visualizes the structure of the brain. The merging of these two technologies will produce unprecedented accuracy in locating brain electrical activity non-invasively. http://medicalxpress.com/news/2012-07-unprecedented-accuracy-brain-electrical-device.html Medical research Thu, 26 Jul 2012 10:55:28 EST news262518915 The pattern of genomic alterations in colon and rectal tissues is the same regardless of anatomic location or origin within the colon or the rectum, leading researchers to conclude that these two cancer types can be grouped as one, according to The Cancer Genome Atlas (TCGA) project's large-scale study of colon and rectal cancer tissue specimens. http://medicalxpress.com/news/2012-07-genomic-colon-rectal-tumors-constitute.html Cancer Wed, 18 Jul 2012 13:00:26 EST news261826077 Scientists at the Novo Nordisk Foundation Center for Protein Research at the University of Copenhagen have used a new method to assemble a massive catalogue of data on proteins. This gives them unprecedented insight into a process called protein phosphorylation. The research was recently published in the scientific journal Nature Communications. http://medicalxpress.com/news/2012-06-giant-raft-disease.html Medical research Thu, 28 Jun 2012 09:53:22 EST news260095995 The strategy used by Google to decide which pages are relevant for a search query can also be used to determine which proteins in a patient's cancer are relevant for the disease progression. Researchers from Dresden University of Technology, Germany, have used a modified version of Google's PageRank algorithm to rank about 20,000 proteins by their genetic relevance to the progression of pancreatic cancer. In their study, published in PLoS Computational Biology, they found seven proteins that can help to assess how aggressive a patient's tumor is and guide the clinician to decide if that patient should receive chemotherapy or not. http://medicalxpress.com/news/2012-05-google-cancer-algorithm-biomarkers.html Cancer Thu, 17 May 2012 17:05:36 EST news256493125 Researchers at Fox Chase Cancer Center in Philadelphia have found that a protein associated with other cancers appears to also be important in head and neck cancer, and may consequently serve as a good target for new treatments. The findings will be reported at the AACR Annual Meeting 2012 on Sunday, April 1. http://medicalxpress.com/news/2012-04-protein-aurora-a-survival-neck-cancer.html Cancer Sun, 01 Apr 2012 14:40:20 EST news252510005 A flatworm known for its ability to regenerate cells is shedding more light on how cancer could be treated and how regenerative medicine could better target diseases, according to researchers at the University of California, Merced. http://medicalxpress.com/news/2012-03-scientists-protein-critical-tissue-regeneration.html Medical research Tue, 20 Mar 2012 18:24:44 EST news251486671 In the two largest clinical studies ever conducted on the molecular genetics of lung cancer, an international team led by scientists at the University of California, San Francisco (UCSF) has demonstrated that an available molecular test can predict the likelihood of death from early-stage lung cancer more accurately than conventional methods. The work may eventually help improve the odds of survival for hundreds of thousands of patients each year. http://medicalxpress.com/news/2012-01-lung-cancer-survival.html Cancer Thu, 26 Jan 2012 18:30:01 EST news246806867 Researchers at the Stanford University School of Medicine have used an innovative mathematical technique to find markers that effectively predict how deadly a cancer will be. The discovery, which in this case concerned bladder cancer, could lead to faster, less expensive and more accurate analysis of cancer risk and better treatment of the disease. http://medicalxpress.com/news/2012-01-algorithm-bladder-cancer-marker.html Cancer Tue, 17 Jan 2012 09:06:30 EST news246013580 A low-fat diet with fish oil supplements eaten for four to six weeks prior to prostate removal slowed down the growth of prostate cancer cells -- the number of rapidly dividing cells -- in human prostate cancer tissue compared to a traditional, high-fat Western diet. http://medicalxpress.com/news/2011-10-fat-diet-fish-oil-growth.html Cancer Tue, 25 Oct 2011 13:27:08 EST news238768020 For the first time, a specific microorganism has been found to be associated with human colorectal cancer. In two studies published online today in Genome Research, independent research teams have identified Fusobacterium in colon cancer tissue, a finding that could open new avenues for diagnosis and treatment of the disease. http://medicalxpress.com/news/2011-10-link-bacterium-colon-cancer.html Cancer Mon, 17 Oct 2011 17:00:05 EST news238080896 Research led by Dr. Suresh Alahari, the Fred Brazda Professor of Biochemistry and Molecular Biology at LSU Health Sciences Center New Orleans and its Stanley S. Scott Cancer Center, has found that a protein discovered by his laboratory can inhibit the growth of breast cancer cells. The research will be published September 14, 2011 online in the Journal of the National Cancer Institute. http://medicalxpress.com/news/2011-09-protein-suppress-breast-cancer-growth.html Cancer Wed, 14 Sep 2011 16:30:53 EST news235236613 Researchers from the Ottawa Hospital Research Institute (OHRI), the University of Ottawa (uOttawa), Jennerex Inc. and several other institutions today reported promising results of a world-first cancer therapy trial in renowned journal Nature. The trial is the first to show that an intravenously-delivered viral therapy can consistently infect and spread within tumours without harming normal tissues in humans. It is also the first to show tumour-selective expression of a foreign gene after intravenous delivery. http://medicalxpress.com/news/2011-08-results-world-first-viral-therapy-trial.html Cancer Wed, 31 Aug 2011 13:23:19 EST news234015783 Several chemicals that can accumulate to high levels in our body (for example BPA and some pesticides) have been recently linked to an increased risk of cancer and/or impaired responsiveness to anticancer drugs. A team of researchers, led by Sridhar Mani, at Albert Einstein College of Medicine, New York, has now identified a potential mechanistic link between environmental exposure to these foreign chemicals (xenogens) and cancer drug therapy response and survival. http://medicalxpress.com/news/2011-07-pxr-stone-environmental-chemical-cancer.html Cancer Mon, 11 Jul 2011 12:53:42 EST news229607612 A team of Yale Cancer Center researchers has confirmed that between 10-20% of breast cancers classified as Estrogen Receptor (ER) negative are really positive. Understanding when and why breast cancers may be misclassified has important implications for treatment and outcomes for women diagnosed with breast cancer. Its findings are published online in the June 28 Journal of Clinical Oncology. http://medicalxpress.com/news/2011-06-false-negative-breast-cancer-wrong.html Cancer Mon, 27 Jun 2011 16:00:33 EST news228393756 Using the latest gene sequencing tools to examine so-called epigenetic influences on the DNA makeup of colon cancer, a Johns Hopkins team says its results suggest cancer treatment might eventually be more tolerable and successful if therapies could focus on helping cancer cells get back to normal in addition to strategies for killing them. http://medicalxpress.com/news/2011-06-cancer-cells-universal-dark-exposed.html Cancer Sun, 26 Jun 2011 16:24:39 EST news228324269 Researchers at Children's Hospital Boston have found a marker called ABCB5 that both tags a small proportion of cells within colorectal cancers and fuels resistance in those cells to standard treatments. The results indicate that eliminating ABCB5-expressing cells is crucial for successful colorectal cancer treatment, while adding to the growing body of evidence for a theory of cancer growth called the cancer stem cell hypothesis. http://medicalxpress.com/news/2011-06-cellular-root-colorectal-cancers.html Cancer Wed, 08 Jun 2011 10:49:58 EST news226748977 Levels of C-reactive protein (CRP) are increased in response to acute inflammation, infection and tissue damage. There are also reports that CRP levels are elevated because of cancer. New research published in BioMed Central's open access journal Breast Cancer Research shows that elevated CRP levels are predictive of a poor prognosis for breast cancer sufferers. http://medicalxpress.com/news/2011-06-c-reactive-protein-breast-cancer-survival.html Cancer Fri, 03 Jun 2011 02:50:39 EST news226287983 Women with ovarian cancer could be helped by a new test that identifies the specific type of tumour they have, a conference will hear this week. http://medicalxpress.com/news/2011-05-treatment-ovarian-cancer-patients.html Cancer Tue, 31 May 2011 10:20:29 EST news226056014 A new, promising marker for diagnosing prostate cancer has been discovered by Swedish researchers with the aid of a unique method developed at the Department of Immunology, Genetics and Pathology. The study, being published this week in the journal Proceedings of the National Academy of Sciences, PNAS, can lead to more reliable diagnoses and fewer unnecessary operations. http://medicalxpress.com/news/2011-05-marker-reliable-prostate-cancer.html Cancer Mon, 09 May 2011 15:00:38 EST news224161418