Showing posts with label tumors. Show all posts
Showing posts with label tumors. Show all posts

Friday 22 February 2019

Scientists Have Found A New Method Of Cancer Treatment

Scientists Have Found A New Method Of Cancer Treatment.
Blocking a level protein elaborate in the growth of a rare, incurable type of soft-tissue cancer may liquidate the disease, according to a new study involving mice. Researchers from UT Southwestern found that inhibiting the activity of a protein, known as BRD4, caused cancer cells in malignant peripheral moxie sheath tumors to die extenderdlx.com. Malignant peripheral nerve sheath tumors are highly unfriendly soft-tissue cancers, or sarcomas, that form around nerves.

And "This study identifies a potential uncharted therapeutic target to combat malignant peripheral nerve sheath tumor, an incurable fount of cancer that is typically fatal," study senior author Dr Lu Le, an aide-de-camp professor of dermatology, said in a university news release. "The findings also provide powerful insight into what causes these tumors to develop" taiwan. The findings were published online Dec 26, 2013 in the logbook Cell Reports.

Although malignant peripheral nerve sheath tumors can exploit randomly, about 50 percent of cases involve patients with a genetic disorder called neurofibromatosis genre 1. This disorder affects one in 3500 people. About 10 percent of those patients will go on to blossom the soft-tissue cancer, according to the news release. For the study, the researchers examined changes in cells as they evolved into cancerous soft-tissue tumors.

Tuesday 25 September 2018

Statins May Reduce The Risk Of Prostate Cancer

Statins May Reduce The Risk Of Prostate Cancer.
Cholesterol-lowering statins significantly trim prostate tumor inflammation, which may domestic lower the risk of disease progression, young study findings suggest female. Duke University Medical Center researchers found that the use of statins before prostate cancer surgery was associated with a 69 percent reduced distinct possibility of inflammation basically prostate tumors.

For the study, the researchers examined tissue samples of prostate tumors from 236 men undergoing prostate cancer surgery drops. The patients included 37 who took statins during the year ex to their surgery.

Overall, 82 percent of the men had traitorous cells in their prostate tumors and about one-third had decided tumor inflammation. After they accounted for factors such as age, tribe and body-mass index (a measurement that is based on weight and height), the Duke team concluded that statin use was associated with reduced sore within tumors.

Wednesday 4 October 2017

Rapid Diagnostics Of Cancer Increases The Number Of Cases Overdiagnosis

Rapid Diagnostics Of Cancer Increases The Number Of Cases Overdiagnosis.
A late fly-past suggests that doctors need to address the problem of overdiagnosis in cancer woe - the detection and possible treatment of tumors that may never cause symptoms or lead to death vitolax ipaq. The rehashing authors found that about 25 percent of breast cancers found through mammograms and about 60 percent of prostate cancers detected through prostate-specific antigen (PSA) tests may be examples of overdiagnosis.

About half of lung cancers detected through some screening tests may also sketch overdiagnosis hersolution wafa. For several types of cancer - thyroid, prostate, breast, kidney and melanoma - the hundred of untrained cases has gone up over the defunct 30 years, but the death rate has not, the authors noted.

Research suggests that more screening tests are at fault for the increased diagnosis rate. "Whereas early detection may well help some, it definitely hurts others," Dr H Gilbert Welch and Dr William Black, of the VA Medical Center in White River Junction, Vt, and the Dartmouth-Hitchcock Medical Center, wrote in a info remission from the US National Cancer Institute.

So "Often the decision about whether or not to tail early cancer detection involves a delicate balance between benefits and harms - disparate individuals, even in the same situation, might reasonably make different choices". In a commentary, Dr Laura Esserman, of the University of California at San Francisco, and Dr Ian Thompson, of the University of Texas Health Science Center at San Antonio, wrote: "What we miss now in the airfield of cancer is the coming together of physicians and scientists of all disciplines to curtail the burden of cancer death and cancer diagnosis.

Thursday 18 August 2016

New Treatments For Patients With Colorectal And Liver Cancer

New Treatments For Patients With Colorectal And Liver Cancer.
For advanced colon cancer patients who have developed liver tumors, misnamed "radioactive beads" implanted near these tumors may tender survival nearly a year longer than mid patients on chemotherapy alone, a reduced new study finds. The same study, however, found that a drug commonly enchanted in the months before the procedure does not increase this survival benefit. The research, from Beaumont Hospitals in Michigan, helps accelerate the understanding of how various treatment combinations for colorectal cancer - the third most hackneyed cancer in American men and women - affect how well each individual treatment works.

And "I categorically think there's a lot of room for studying the associations between different types of treatments," said burn the midnight oil author Dr Dmitry Goldin, a radiology resident at Beaumont. "There are constantly green treatments, but they come out so fast that we don't always know the consequences or complications of the associations. We penury to study the sequence, or order, of treatments".

The study is scheduled to be presented Saturday at the International Symposium on Endovascular Therapy in Miami Beach, Fla. Research presented at thorough conferences has not been peer-reviewed or published and should be considered preliminary. Goldin and his colleagues reviewed medical records from 39 patients with advanced colon cancer who underwent a operation known as yttrium-90 microsphere radioembolization.

This nonsurgical treatment, approved by the US Food and Drug Administration, implants bantam radioactive beads near inoperable liver tumors. Thirty of the patients were pretreated with the tranquillizer Avastin (bevacizumab) in periods ranging from less than three months to more than nine months before the radioactive beads were placed.

Thursday 7 April 2016

The Genetic Sequence, Which Is Responsible For The Occurrence Of Medulloblastoma In Children

The Genetic Sequence, Which Is Responsible For The Occurrence Of Medulloblastoma In Children.
US scientists have unraveled the genetic encypher for the most familiar personification of brain cancer in children. Gene sequencing reveals that this tumor, medulloblastoma, or MB, possesses far fewer genetic abnormalities than comparable mature tumors. The discovery that MB has five to 10 times fewer mutations than entire adult tumors could further attempts to informed what triggers the cancer and which treatment is most effective.

And "The good news here is that for the first time now we've identified the subdued genetic pieces in a pediatric cancer, and found that with MD there are only a few broken parts," said bring on author Dr Victor E Velculescu, associate professor with the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University in Baltimore. "And that means it's potentially easier to elapse and to discontinue it," he said, likening the cancer to a train that's speeding out of control. Velculescu and his colleagues, who shot their findings in the Dec 16, 2010 online emanation of Science, say this is the first time genetic decoding has been applied to a non-adult cancer.

Each year this cancer strikes about 1 in every 200000 children younger than 15 years old. Before migrating through the patient's main edgy system, MBs begin in the cerebellum portion of the brain that is accountable for controlling balance and complicated motor function. Focusing on 88 childhood tumors, the check in team uncovered 225 tumor-specific mutations in the MB samples, many fewer than the number found in grown-up tumors.

Monday 21 March 2016

High Doses Of Aspirin Reduce The Accuracy Of Colorectal Cancer Tests

High Doses Of Aspirin Reduce The Accuracy Of Colorectal Cancer Tests.
Stool tests that can discover blood from colorectal tumors are more nice for patients on a low-dose aspirin regimen, which is known to wax intestinal bleeding, a new study suggests. While medicinal aspirin use was once feared to skew the results of fecal occult blood tests, or FOBTs, German researchers found the examine was significantly more sensitive for low-dose aspirin users than for non-users. Future studies confirming the results could experience to recommendations to take small doses of aspirin before all such tests, gastroenterology experts said.

Aspirin's blood-thinning properties awaken some doctors to prescribe low-dose regimens (usually 75 mg up to 325 mg) to those at endanger of cardiovascular events such as heart attacks. "We had expected that sympathy was higher - that is, that more tumors were detected," said margin researcher Dr Hermann Brenner, a cancer statistics expert at the German Cancer Research Center in Heidelberg, Germany. "The surprising conclusion was how strongly sensitivity was raised".

The study, conducted from 2005 to 2009, included 1979 patients with an middling age of 62; 233 were legal low-dose aspirin users, and 1746 never used it. Researchers analyzed the supersensitivity and accuracy of two fecal occult blood tests in detecting advanced colorectal neoplasms, tumors that can either be pernicious or benign. Participants were given stool collection instructions and devices, including bowel composing for a later colonoscopy to verify results of the FOBTs. They self-reported aspirin and other medication use in standardized questionnaires.

Advanced tumors were found in the same proportion of aspirin users and non-users, but the sensitivity of both stool tests was significantly higher among those taking low-dose aspirin - 70,8 percent versus 35,9 percent touchiness on one test and 58,3 percent versus 32 percent on the second. "The fundamental of stool tests in early detection of large bowel cancer is the detection of usually very measly amounts of blood from the tumors. Use of low-dose aspirin facilitates this detection". His analyse is reported in the Dec 8, 2010 issue of the Journal of the American Medical Association.

Saturday 3 October 2015

Researchers Have Made A Big Step In Understanding The Treatment Of Ovarian Cancer

Researchers Have Made A Big Step In Understanding The Treatment Of Ovarian Cancer.
New alliance about the untimely stages of ovarian cancer may manage to the development of a new screening test for the cancer, US researchers say. In the study, scientists uncovered near the start tumors and precancerous lesions in inclusion cysts, which give way into the ovary from its surface.

So "This is the first study giving very strong evidence that a substantial number of ovarian cancers ascend in inclusion cysts and that there is indeed a precursor lesion that you can see, put your hands on, and give a handle to," lead author Jeff Boyd, chief scientific officer at Fox Chase Cancer Center in Philadelphia, said in a communication release. "Ovarian cancer most of the beat seems to arise in simple inclusion cysts of the ovary, as opposed to the surface epithelium".

Boyd and his colleagues analyzed ovaries removed from women with BRCA gene mutations (who have a 40 percent lifetime endanger of developing ovarian cancer) and from women with no known genetic gamble factors for ovarian cancer. In both groups of women, gene feeling patterns in the cells of counting cysts were dramatically different than normal ovarian surface cells.

For example, the cells of classification cysts had increased expression of genes that control cell division and chromosome movement. The researchers also found that cells from very anciently tumors and tumor precursor lesions frequently had extra chromosomes.

So "Previous studies only looked at this at the morphologic level, looking at a story of tissue under a microscope. We did that but we also dissected away cells from well-adjusted ovaries and early-stage cancers, and did genetic analyses. We showed that you could follow broadening from normal cells to the precursor lesion, which we call dysplasia, to the actual cancer, and see them adjacent to one another within an incorporation cyst".