Tag: "benign" at biology news

Genetic factors strongly shape how peers are chosen

...ke into account self-selection into deviant versus benign environments, he said. The effects of peers in adolescence can be quite powerful, either encouraging or discouraging deviant behaviors. Peers also provide access to substances of abuse....

Researchers probe risks, benefits of folic acid fortification

...dstream may have facilitated the transformation of benign growths into cancers, or small cancers into larger ones, he says. Second, the fact that a synthetic form of folate is used for fortification may be important, suggests Mason. As the total amount of folic acid ingested increases, the mechanism that co...

UC Davis is partner in new $125 million federal bioenergy research center

...al of the mostenergy-efficient and environmentally benign fuel crops can berealized. "The DOE JBEI will be a center of intellectual thought and provideenergy research leadership designed to meet its program objectivesquickly and effectively," said Graham Fleming, deputy director ofBerkeley Lab. Bioener...

Researchers pit novel version of common virus against cancer

... years scientists have been engineering relatively benign viruses to selectively infiltrate and deliver genetic materials into more dangerous cells. However, the current generation of mutant viruses under study has limitations. So far, they are proving to be effective only in tumor cells that express cert...

Study could impact noninvasive treatment of cancer tumors

... Monroe believed that nanoparticles might act as a benign replacement for CPAs. To test this, they added commercially available gold nanoparticles to cells suspended in a culture medium. However, contrary to their initial hypothesis, Devireddy and Monroe found that the nanoparticles did not significantly c...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...ason other than cancer, such as a hysterectomy for benign disease, says Dr. Song, MCG clinical associate professor at MCG and director of research for Augusta-based Xytex Research/Xytex International. Collaborators at the University of Texas Health Science Center and M.D. Anderson Cancer Center are doing th...

Scientists develop new drugs to fight colon and breast cancer more effectively

...(those which are cancerous) and less toxic against benign cells (those which are unnecessarily destroyed or ...ast cancer, but it can also affect the rest of the benign epithelial tissue. As everybody knows, current treatments for cancer destroy a large number of unaff...

Yin and yang -- Balance could play key role in progression of Alzheimer's disease

...tion of AB42 fibrils sharply decreased, protecting benign AB42 monomers. "We have found that the ratio of AB40 to AB42 plays a key role in AB42 aggregation," Wang said. "The current mode of thinking in Alzheimers emphasizes the toxic role of AB42 but neglects the protective role of AB40. Combined with p...

Understanding why C. difficile causes disease -- it's hungry

... in the intestinal tract. This can happen when the benign bacteria that normally inhabit the intestinal tract are reduced such as when people take antibiotics or other antimicrobial drugs. Then, C. difficile can cause symptoms ranging from diarrhea to life-threatening inflammations of the colon. In 2002 a...

Leading the fight against food poisoning

...e phages with full regard for safety, and that are benign to animals, humans and the environment. "This research agreement is of great importance to the health market in general. The combination of these two research teams provides strong impetus for creating a safe, effective and low-cost solution to thi...

A close-up on pancreatic disease: How do we improve the odds?

...le ducts). Of the 166 cases, 135 cases were benign [38 serous cystadenomas, 35 mucinous cystic neopla... (average 67 years for malignancy vs. 62 years for benign lesions). Most patients with malignancy displayed symptoms (28/31, 96%), with abdominal pain being ...

Gene thought to assist chemo may help cancer thrive

...53. In the study, researchers took malignant and benign ovarian tumors straight from the operating room an...those whose profiles were similar to patients with benign tumors. As they continued their analysis, they found that the main difference between the groups'...

Researcher receives $1.8M AIDS-related grant

...f AIDS patients leave them vulnerable to otherwise benign viruses, Johnson, going a step further, believes that proteins produced by the AIDS virus, HIV, may actually supercharge the JC virus. To do this the HIV proteins interact with proteins produced by cells in the brain. This prompts a molecular casca...

Catching cancer's spread by watching hemoglobin

...ry useful for distinguishing between malignant and benign skin tumors, and would remove the critical need for skin biopsies, which is especially helpful if there are multiple suspicious areas that need to be investigated. Since hemoglobin is highly concentrated in red blood cells, imaging the locations wh...

Reversing cancer cells to normal cells

...e metastatic melanoma cells are reverted to a more benign skin cell without the ability to form tumors. Findings from the zebrafish study were further confirmed in the human embryonic stem cell model and the chick embryo model - where inhibiting Nodal signaling led to the reversal of the melanoma cells to...

Nanotechnology provides 'green' path to environmentally sustainable economy

...ed products and processes that are environmentally benign or "clean and green"; Managing nanomaterials and their production to minimize potential environmental, health, and safety risks; Using nanotechnology to clean up toxic waste site and other legacy pollution problems; and Substituting gree...

Gene analysis might explain ethnic differences in sensitivity to chemotherapy in lung cancer

... people of various ethnicities with 556 samples of benign and cancerous lung tumors. They found that the three inherited polymorphisms were less common in healthy people from Japan and Taiwan than in healthy people of European, African or Mexican descent. This suggests that this population normally makes...

New diagnostic technologies offer non-invasive means

...ed DNA, and could reliably distinguish cancer from benign diseases. Currently, only 50 percent of head an... neck cancer patients and 69 control patients with benign diseases and history of tobacco or alcohol use. The test detected two patients with cancer or precan...

New way to catch cancer's spread, rapid 3-D retinal imaging, more at CLEO/QELS 2007

...ry useful for distinguishing between malignant and benign skin tumors, and would remove the critical need for skin biopsies, which is especially helpful if there are multiple suspicious areas that need to be investigated. While the technique has been demonstrated in vitro (by excising tissue samples and i...

Researchers find gene mutation that causes infertility in male mice

...ishing between those DNA sequence changes that are benign in humans versus those that disrupt sperm or egg production. The researchers are engaged in a project to identify ultimately all the genes needed for fertility in mice and apply this information to the human situation....

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