Adding Radiation Therapy To Chemotherapy Improves Survival In Patients With High-risk Breast Cancer
...tectomy and adjuvant chemotherapy, the addition of radiation therapy leads to better survival outcomes with few...Cancer Institute. The British Columbia randomized radiation therapy trial was designed to determine the effect on survival of the addition of locoregional radia...Novel Asthma Study Shows Multiple Genetic Input Required; Single-gene Solution Shot Down
...tectomy and adjuvant chemotherapy, the addition of radiation therapy leads to better survival outcomes with few...Cancer Institute. The British Columbia randomized radiation therapy trial was designed to determine the effect on survival of the addition of locoregional radia...U-M scientist to talk about tissue engineering at AAAS
.... Regenerating the jaw bone of a person undergoing radiation therapy for cancer means managing the constant bacteria bath of a human mouth as well as compensating for the damage of radiation. "It's not just a question of whether we can make new tissue in a perfect condition. Now we're mimicking what can reall...New imaging method gives early indication if brain cancer therapy is effective, U-M study shows
...if the tumor was responding to the chemotherapy or radiation therapy. This has potential to spare patients from... beginning a new treatment involving chemotherapy, radiation therapy or a combination. Three weeks later, they had another diffusion MRI. After finishing their t......e fought cancer by using surgery, chemotherapy, or radiation to excise or shrink the primary tumor. "However, in too many cases it's simply impossible to completely remove the tumor," Dr. Huang explained. "So recently the idea of targeting cell migration -- metastasis -- has become an alternative strategy tha...Taking Aim With Nanoparticle PEBBLEs
...ociate professor of environmental health sciences, radiation oncology and radiology with joint appointments in the Medical School and the School of Public Health; and Yong-Eun Lee Koo, a research associate in the chemistry department, College of Literature, Science and the Arts. To date, the researchers have ...Scientists discover unique microbe in California's largest lake
...ast threeorganisms that can do this using infrared radiation as well."All three of these organisms are closely related species ofAcaryochloris, but the other two live in the Pacific and must grow onor in an animal or plant to survive in nature," Wood says. "This newmicrobe opens up a whole new range of possibl...New Treatment Rivals Chemotherapy For Lymphoma, Study Finds
...n found on the surface of the cancerous cells. The radiation zaps these malignant cells with minimal exposure t...ickly Bexxar reaches the tumor and how quickly the radiation disappears from the patient's body. One to two weeks after that initial dose, the patient then recei...Effective Cancer Treatments Follow The Clock
... effects of other anti-cancer drugs, as well as to radiation therapy and may provide a rationale for adjusting the timing of chemotherapy to make it less toxic. “There is one more very important clinical application of these findings,?Antoch said, “as they provide a rationale for developing drugs that can enha...Potential treatments for neurofibromatosis
... They're very challenging to treat surgically, and radiation and chemotherapy don't help," said Dr. Clapp. ...Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert
... resistance because they are exposed to extreme UV radiation in the desert environment. This characterization also may explain why such a high proportion of the bacteria from the most arid site are pigmented ?red, yellow or pink ?as they grow in the laboratory, according to Minkley. The first phase of the AST...Nanoparticles offer new hope for detection and treatment
...to discern whether a tumor was still growing after radiation or chemotherapy treatments. Although this study focused on melanoma tumors, the researchers believe the technology should work for most solid tumors, because all tumors must recruit new blood vessels to obtain nutrients as they grow. Nevertheless, ...Newly discovered pathway might help in design of cancer drugs
...ther than directing chemotherapeutic medication or radiation to tumors through a scattershot approach, said Mar...ular chemical pathway in detail. "Exposing DNA to radiation is like hitting a fine piece of crystal stemware with a hammer. It shatters, and looking for a parti...Buying Time Through Hibernation on Demand
... treatment by allowing patients to tolerate higher radiation doses without damaging healthy tissue. Cancer cell...n to grow. As a result, they are more resistant to radiation than surrounding healthy cells, which need oxygen to live. Roth hypothesizes that temporarily elimin...U-M team recovers ancient whale in Egyptian desert
... treatment by allowing patients to tolerate higher radiation doses without damaging healthy tissue. Cancer cell...n to grow. As a result, they are more resistant to radiation than surrounding healthy cells, which need oxygen to live. Roth hypothesizes that temporarily elimin...Protein That Promotes Survival Of Stem Cells Might Be Key To Poor Leukemia Prognosis
...ood system of patients undergoing chemotherapy and radiation for cancer. Opferman completed work on this project while a member of Stanley Korsmeyer's laboratory at the Dana-Farber Cancer Institute (Boston). Mcl-1 belongs to the Bcl-2 family of proteins. Some of these family members promote apoptosis, while o...Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment
...opportunity to have children when chemotherapy and radiation treatments rob them of their fertility, researcher...urkey. Cancer treatments such as chemotherapy and radiation therapy can cause damage to a woman's reproductive system and leave her unable to have children afte...Duke engineers develop new 3-D cardiac imaging probe
...ices. However, the use of X-ray imaging results in radiation exposure for patients and requires bulky lead-shielding garments for clinicians. In addition, such procedures take up to seven hours to complete. Biomedical engineering professor Stephen Smith, who specializes in ultrasound imaging, said a move to t...Physiological effects of reduced gravity on bacteria
...y, coupled with impacts of other features (such as radiation resistance and the ability to persist under very low nutrient conditions), may contribute to the success of these water system bacteria. ...Study uncovers bacteria's worst enemy
...an radiological, and so a bacteria's resistance to radiation does not necessarily ensure a tolerance for radionuclides. In fact, the bacteria's worst enemy in a nuclear waste site may not be the radioactive elements, but rather, the other toxic metals that might also be found at the site. The study also shows...'Smart drug' targets deadly brain cancer
...astoma multiforme is usually treated with surgery, radiation therapy and chemotherapy -- and median survival is...nder way will test the combination of CCI-779 with radiation therapy in patients who have newly diagnosed glioblastoma multiforme. They will also test CCI-779 in...Whole-body MRI Takes Less Than 20 Min To Scan A Patient's Entire Body For Cancer Spread To Bone
... scan—which means it’s noninvasive and there is no radiation risk to the patient—whole-body MRI can also detect metastases in other parts of the body besides the bones, such as in the brain, lung or liver,?said Dr. Vilanova. Dr. Vilanova will present the full results of the study on May 16 during the American...Penn Researchers Use Robotic Surgery
...treatments often involve a combination of surgery, radiation therapy, and chemotherapy. In many cases, surgery offers the greatest chance of cure. Conventional cancer surgery can consist of an almost ear-to-ear incision across the throat or splitting the jaw in half. This can result in speech and swallowing de...Two new retroviruses—transmitted from animals—identified
...treatments often involve a combination of surgery, radiation therapy, and chemotherapy. In many cases, surgery offers the greatest chance of cure. Conventional cancer surgery can consist of an almost ear-to-ear incision across the throat or splitting the jaw in half. This can result in speech and swallowing de...Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips
...to a new strain. Drug companies use chemicals and radiation to damage DNA and induce mutations. But it's not easy to detect these single base-pair mutations in the so-called industrial mutant strains. Kao's group, for example, detected the presence of an unidentified regulator gene altering the timing of eryt...Atmosphere may cleanse itself better than previously thought
... the team to characterize the minute quantities of radiation absorbed by a substance called methyl hydroperoxide when it breaks up in sunlight and forms OH radicals. Methyl hydroperoxide is one of the substances that can absorb light in the lower UV spectrum, and the team theorizes that the sensitive laser tec...Woods Hole Research Center plans controlled burn in Amazon rainforest
... prevents all but a tiny portion of incoming solar radiation from reaching the forest interior, keeping the litter layer too moist to sustain a fire. Now large areas of forest are selectively logged prior to being settled, leaving holes in the canopy; longer, more intense dry seasons provoke leaf thinning; and...Looks matter to female barn swallows
...ate University in Tempe. "Factors like ultraviolet radiation from the sun, soiling and even feather degrading bacteria are known to affect the color of bird feathers once they are grown, and perhaps the best males are those who spend more time preening and protecting their plumage." The paper's other co-autho...Researchers devise new technique for creating human stem cells
... the embryonic stem cell nucleus with chemicals or radiation would induce the cell's suicide program, called apoptosis, he said. Melton emphasized that "at this at this stage in our understanding, the hard fact is that the only way to create an embryonic stem cell from a somatic cell is by nuclear transfer in...Compound from Chinese medicine shows promise in head and neck cancer
... allowed some patients to undergo chemotherapy and radiation therapy instead of surgery, this form of cancer is often resistant to chemotherapy. When the cancer does not respond to these powerful drugs, patients must resort to surgery. "Patients really benefit long-term by avoiding surgery because the side ef...Duke Experiments Boost Radiation's Cancer-Killing Effects
...ncer growth. Blocking a protein called HIF-1 after radiation therapy doubled the length of time it took for hum...n cancers to begin growing again in mice, said the radiation biologists from the Duke Comprehensive Cancer Center. Each therapy alone had limited or no benefit ...IBM Transforms the Art of Scientific Expeditions
...ncer growth. Blocking a protein called HIF-1 after radiation therapy doubled the length of time it took for hum...n cancers to begin growing again in mice, said the radiation biologists from the Duke Comprehensive Cancer Center. Each therapy alone had limited or no benefit ...MERIS monitoring tracks planetary photosynthesis levels
...gen we breathe. The fraction of incoming solar radiation useful for photosynthesis that is actually absorbe...ex (MGVI) provides FAPAR values based on reflected radiation from the Earth's land surface. EC-JRC is responsible for the processing algorithm that yields the MG...Lands surface change on Alaska tundra creating longer, warmer summers in Arctic
...Both of these changes increase the amount of solar radiation that goes into heating rather than being reflected...e is a shorter period of snow on the ground, solar radiation is absorbed by the land surface more readily and contributes to heating, thus accelerating the melti...Pollution-eating bacteria produce electricity
... for the organism and is highly resistant to heat, radiation and drying. Such characteristics could prove useful in future microbial fuel cell designs where the device need not always be operational but must survive long periods of hazardous conditions before being used. "The generation of electricity is one ...The ecological effects of the Chernobyl disaster
...go Reactor number 4 at Chernobyl exploded, sending radiation across a large region of what is now the Ukraine, ...tium 90 (90Sr) and Cesium 137 (137Cs). Yet despite radiation levels dangerous to humans, most natural areas in the region have rebounded, and by ecological stand...New study finds how cells with damaged DNA alert the immune system
...erial -- the DNA damage pathway -- was exposure to radiation and chemotherapy drugs. They found that cells in which the DNA damage pathway was triggered were the ones that exhibited an increase in the expression of special proteins on the cell surface. These "ligands" on the membrane are specific to the NKG2D...Renewed hope for Parkinson's patients
...erial -- the DNA damage pathway -- was exposure to radiation and chemotherapy drugs. They found that cells in which the DNA damage pathway was triggered were the ones that exhibited an increase in the expression of special proteins on the cell surface. These "ligands" on the membrane are specific to the NKG2D...NC State researchers redesign life for Mars and beyond
... and life in space - extreme temperatures,drought, radiation and gravity, for example - are not easily remedied...r class to investigate new mechanisms for reducing radiation damage in spring 2007. ...Scientists develop nanotech-laser treatment that kills cancer cells without harming healthy tissue
... eliminate months of debilitating chemotherapy and radiation treatment, he adds. "The laser we used is a 3-centimeter beam that's held like a flashlight," he notes. "We can take the beam and put anywhere we want. We can shine it on a local area of the skin or inside an internal organ using a fiber-optic devic...Chernobyl: The true scale of the accident
...up to four thousand people could eventually die of radiation exposure from the Chernobyl nuclear power plant (N...wer than 50 deaths had been directly attributed to radiation from the disaster, almost all being highly exposed rescue workers, many who died within months of th...Regenerating worms help elucidate stem cell biology
... which occurs when scientists expose the animal to radiation in the laboratory, is devastating. "The animal wil...ts as those whose neoblasts have been destroyed by radiation -- head regression, curling, and the inability to regenerate -- suggesting that the gene was needed ...Polymer gel can block toxic leakage problem in gene therapy
...rom the Pratt School and the Duke Medical Center's radiation oncology department studied a preferred kind of an...ssociate Ava Krol, associate research professor of radiation oncology Chuan-Yuan Li, and radiation oncology research associates Shanling Liu and Takashi Kon. In...Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer
...nanoparticle-p53 therapy enhanced chemotherapy and radiation treatment for cancer, pushing damaged cancer cells to die. They have also demonstrated that the nanocomplex goes only to cancer cells, leaving normal tissue alone, and have used this approach in testing several other therapeutic genes in animals as w...Science's Breakthrough of the Year: Watching evolution in action
...aviors of neutron stars. A short, intense pulse of radiation from near the center of the Milky Way, recorded on 27 December 2004, may be the result of a short gamma ray burst -- a rapid merger of two ancient neutron stars or a neutron star and a black hole. Brain Wiring and Disease: Several studies in 2005 s...PET imaging reveals the immune system at work
...ttings it produces images of the body by detecting radiation emitted from radioactive substances, such as fluorodeoxyglucose, injected into the body. In the work reported by Witte's group, PET was used to follow immune cells whose DNA included "reporter genes," genes engineered to help concentrate chemical tra...Jefferson biologist coaxing human embryonic stem cells to make dopamine with simpler, faster method
...ttings it produces images of the body by detecting radiation emitted from radioactive substances, such as fluorodeoxyglucose, injected into the body. In the work reported by Witte's group, PET was used to follow immune cells whose DNA included "reporter genes," genes engineered to help concentrate chemical tra...Discovering the first steps in transcription-coupled repair
...lity to repair damage to DNA caused by ultraviolet radiation throughout the genome, whereas in CS the global re...mage that might have been inflicted by ultraviolet radiation or oxidative damage, for example. Or it may encounter situations such as a highly repetitive sequenc...Young scientists turn to gel to ease side-effects of cancer treatment
...n. The density of the gel alters when subjected to radiation beams, so radiologists can use it to take the guesswork out of the intensity-modulated radiation therapy treatment of malignant cancers. By testing the radiation beam on the gel first, radiologis...Study shows combination of immune substances to be safe
...ther tumors that respond poorly to chemotherapy or radiation therapy. But interferon can have serious side effects that limit its use. Surprisingly, the two drugs used in sequence caused no serious side effects in patients. "Interferon can be quite toxic when used alone," says principal investigator Willia...Sensors, a smart dose of medicine for cancer treatment
...he INVORAD project developed systems for real-time radiation monitoring for patient dosimetry in Intensity Modulated Radiotherapy (IMRT). IMRT is a radiation therapy for cancers that improves clinical outcomes by more accurately targeting tumours and minimis...T-rays: New imaging technology spotlighted by American Chemical Society
...e potential of the THz region for lack of suitable radiation sources. Advanced materials research has provided new and higher power sources, and interest in THz sensing and imaging has exploded as a result. Objects at room temperature emit thermal energy in the THz range that can be used to sense and image ob...Picking particles faster than one at a time
...ectron beam has to be kept at low power to prevent radiation damage, so the signal-to-noise ratio is low and the particles are barely perceptible shapes in a field of gray. "It's hard to find good candidates even with an expert eye," says Adiga. "Having to choose hundreds of thousands of particles is a bottl...Living taste cells produced outside the body
...r people who have lost their sense of taste due to radiation therapy or tissue damage, who typically lose weigh...elp people who have lost their sense of taste from radiation or diseases. Identification of factors that promote taste cell regeneration and growth may provide n...Chemotherapy gel may fight breast cancer and reduce breast deformity
... who undergo surgery for breast cancer followed by radiation therapy often experience breast deformities that c...estin Convention Center in Pittsburgh. "Although radiation therapy is the standard treatment for breast cancer following surgery, it is expensive, time consumi...Botox could help target resistant tumors for treatment
...erapy, providing an open door for chemotherapy and radiation treatments, according to a study published in the ...oxygenation temporarily." While chemotherapy and radiation treatments have remained the standard of care, tumor cells of most cancer types have shown increasin...U-M scientists identify major psoriasis susceptibility gene
...er, M.D., Ph.D., a professor of dermatology and of radiation oncology in the U-M Medical School and the Ann Arbor VA Healthcare System. "It's as if you are pushing a shopping cart down the aisle at the grocery store and putting genes in your cart," Elder adds. "There are several different brands of each gene ...Extinctions linked to climate change
...er levels of exposure of amphibian embryos to UV-B radiation in sunlight, and egg mortality in the western toad that approached 100 percent in some years, due to an opportunistic disease. In the current Nature article, researchers pointed to more examples. "The climate change in the Arctic and sub-Arctic has......ans to reduce or avoid the use of certain drugs or radiation that can damage major organs or cause secondary cancers. "Our success reflects many years of dedication and research by an experienced team that have paid off substantially," said Ching-Hon Pui, M.D., director of the Leukemia/Lymphoma Division at St......n have a lumpectomy and are sometimes treated with radiation or chemotherapy, but despite this conventional therapy the cancer still can occasionally reoccur," says Greene. Detection of very early recurrence is important and Greene feels the power of this technology will facilitate recognizing early phases of ...