Chemists synthesize molecule that helps body battle cancers, malaria
...ung cancer, prostate cancer, HIV-1 and malaria. An extract from the bark of theSouth American tree Quillaja saponaria Molina, QS-21A is available only in small quantities. "Now that we have synthesized this remarkable molecule and confirmed its structure, we are in a position to examine how it works and inve...Lack of specific collagen type leads to osteoarthritis
...out the custom-built "microaspirator," which could extract individual, intact chondrons. Other methods of isolating chondrons, which either involve dissolving surrounding tissues with harsh enzymes or grinding the cartilage in pieces, typically yield damaged chondrons, Alexopoulos said. "Using a tiny syringe...Component of green tea protects injured livers in mice
...insing livers with a solution containing green tea extract prevented failures in transplants using fatty livers. The current study examined whether (-)-epigallocatechin-3-gallate (EGCG), the major flavonoid component found in green tea, protected fatty livers from cell damage after I/R injury. Led by Kenneth...Women with thyroid problem have lower risk of breast cancer
...r a century ago physicians described using thyroid extract to treat breast cancer. Later, studies found that one of the circulating thyroid hormones actually sustained breast cancer cells, while animal studies found mammary gland cells responded to thyroid hormones. Population studies have shown conflicting ...Herb used to treat diabetes works like modern-day prescription drugs, study suggests
...sults were promising. The largest dose of the herb extract 1,000 milligrams decreased insulin and blood glu...ughout the body. If the enzyme binds to the herbal extract rather than to a carbohydrate, then less glucose gets into the blood stream, resulting in lowered bl...Herbal extract as effective as commonly prescribed anti-depressant
A specially manufactured extract from the herb St John's Wort is at least as effective in treating depression as a commonly prescribed anti-depressant, according to new research published on bmj.com today. St John's Wort* and the anti-depressant drug Paroxetine** were used in a tri...New study finds kelp can reduce level of hormone related to breast cancer risk
...tion with colleagues at UC Davis, dosing with kelp extract led to a 23 to 35 percent decrease in estradiol levels. "One possibility is that the kelp may be acting as an estrogen antagonist by preventing estradiol from binding with its estrogen receptors," said Skibola. "Our next step is to try to isolate th...Hearing aid signal not clear? Then switch frequency to FM, finds UCI study
...onal sound than AM does. Current cochlear implants extract only AM information, limiting significantly their performance under realistic listening situations. These FM modifications, Zeng adds, can particularly assist Asians and Africans who speak tonal languages, such as Mandarin, in which tonal variations ...O Christmas tree: Your bark may fight arthritis
...wed that highly purified preparations of pine bark extract have potent anti-inflammatory effects. In the futu...iversity of Turku in Finland. He cautions that the extract used in this study has not yet been tested in animals or humans. Until those studies are done, he ad...Research by scientists affiliated with the Earth Institute at Columbia University
... construct global fields of helium isotopes and to extract unique information on the circulation patterns at different depth levels in the ocean, as well as on local and regional processes such as ventilation of water masses in deep water formation regions. Additionally, the data sets are now sufficiently la...New biopsy technique helps assess breast cancer's spread
...small 22-gauge needle is inserted into the node to extract cells that can be evaluated for cancer. It requires only local anesthesia and involves no surgical incisions. Both sentinel lymph node sampling and axillary node dissection are full surgical procedures. The researchers used ultrasound to examine 57 w...Study will assess effect of tomato oil on precancerous prostate changes
...te-sponsored study at Northwestern will use tomato extract (literally, tomato oil) from non-genetically modified tomatoes raised in Israel and specially grown to be high in lycopene content. Results of the study will be useful for clarifying the mechanisms of action of lycopene in the prostate, for designi...Gene from 1918 virus proves key to virulent influenza
...t form. In the late 1990s, scientists were able to extract a handful of genes from the 1918 virus by looking in the preserved lung tissue of some of the pandemic's victims. Subsequently, the genes were sequenced, including two critical genes that make hemagglutinin and neuraminidase, the protein keys that he...Denver physician patents minimally invasive technology for hair transplantation surgery
...be -- a small,self-contained device -- to isolate, extract and transplant single follicular units of hair without the trauma associated with other types of hair transplantation surgery. According to Dr. Harris, a head and neck/facial plastic surgeon whose practice is limited solely to medical and surgical ha...Taking apart a hurricane: Multi-sensor Envisat sees through Frances
...f the affected region. "The potential is there to extract a large amount of useful information which can help the US National Hurricane Center increase the accuracy of their hurricane predictions and reduce danger to the public." Envisat's 'thermometer' takes Frances' temperature Another instrument aboa...Dental pulp cells may hold key to treatment of Parkinson's disease
...l approach for this Parkinson's study: researchers extract a tooth and draw cells from the center of the tooth, then culture them in a Petri dish to increase the number of the cells. The cell mixture then contains neuronal precursor cells and cells that produce beneficial neurotrophic factors. Nosrat emphas...Green and black tea polyphenols consumption results in slower prostate cancer cell growth
...mounts of tea polyphenols in the form of green tea extract supplement capsules. Dr. Henning's co-authors are Yantao Niu, Nicolas H. Lee, Francisco Conde, Pakshan Leun, Jenny Hong, George Csathy, Hossein Ziaee, Vay L. W. Go, David Heber, and William J. Aronson, of UCLA's Center for Human Nutrition, Department...Popular chewing gum eliminates bacteria that cause bad breath
...ad already shown in previous lab studies that this extract suppresses the growth of oral pathogens." The gum base without flavors or cinnamic aldehyde produced no significant reduction in oral bacteria. "Our study shows that chewing gum can be a functional food, having a significant impact on oral hygiene ov...Human studies show feasibility of brain-machine interfaces
...han the cortical surface. "This shows that one can extract information not only from cortical areas, but from subcortical ones, too," said Nicolelis. "This suggests that in the future, there will be more options for sampling neuronal information to control a prosthetic device," he said. According to Turner, ...Lack of awareness about stroke hinders use of life-saving drugs, precludes testing of new therapies
...something that keeps blood from clotting when they extract it from prey. The specific protein responsible for the anti-clotting action was identified in the 1980s....