Scientists Activate New Cancer Drug Using Light and Oxygen
...ollaborated on over three years. The collaboration began before Dr. Zheng was recruited to OCI from the University of Pennsylvania in August 2006. Their paper describes how these new photosensitizer drugs can only be activated by light once they have been localized in the target tumor cells. For the fir...Protein Folds Research Offers Insight into Metabolic Evolution
.... Step by step, according to this theory, proteins began taking over some of the original functions of RNA. The most ancient (protein) molecules were involved in the interconversion of nucleotides. But they were not synthesizing them, Caetano-Anolls said. We see that all the enzymes that were involved in...Toddler Infected With Rare Side Effect Of Smallpox Vaccination Recovering
...s of anthrax sent through the mail, the government began vaccinating military personnel and many health car...ve caused another crisis in which the boys kidneys began failing and his abdomen filled with fluid. He looked like he was going to die, Dr. Kahana recalled. ...Stem Cell Answer to Infertility in Five Years, Says Scientist
...e procedure showed promise as the human stem cells began to develop into sperm; however, these developing stem cells never reached full maturity. While success with human adult stem cells has remained elusive, Dr. Nayernia remains optimistic about the culmination of his research with stem cells, embryoni...Astronauts can Now Feed on 'radiation-eating' Fungi
...in and co-lead author of the study. The research began five years ago when Dr. Casadevall read on the Web...tor's walls. "I found that very interesting and began discussing with colleagues whether these fungi might be using the radiation emissions as an energy s...US Halts Import of Chinese Toothpaste
... if they test negative for the chemical. The FDA began the tests following reports that tainted Chinese toothpaste was sold in Australia, the Dominican Republic and Panama. "There is absolutely no evidence of this toothpaste in the U.S. but it is what we believe a prudent and cautionary measure to pro...First Human Case of Bird Flu Confirmed in Vietnam Since 2005
...uc province, 60 kilometres north of capital Hanoi, began suffering from high fever and breathing difficulties on May 10. He is in a critical condition and is being treated in Hanoi's Bach Mai Hospital. He cannot breathe without the aid of a respirator. Five days before he fell ill, the man slaughtered ch...Understanding Why C. Difficile Causes Disease -- It's Hungry
...f the colon. In 2002 a new, more virulent strain began appearing in hospitals in the United States and Canada. Recently, this strain was shown to be responsible for more than half of all cases in a representative sampling in Quebec. The highly virulent strain has a much higher toxin production which lead...Gay Film Festival Begins in Delhi
A ten-day long festival for gays began in the capital on Saturday. The Nigah Queer Fest will showcase over 20 films on homosexuality directed by many international directors. The films will be followed by panel discussions and a photographic presentation. The aim of the programme is...Color Vision Drove Primates to Develop Red Skin and Hair, Study Finds
...fter primates evolved the ability to see red, they began to develop red and orange skin and hair . Humans...ection. Fernandez, the studys lead author, first began to question the strict correlation of food choice and color vision while studying howler monkeys in ...Ostracized HIV-affected Widow Turns to Begging
... son. Villagers and even her in-laws immediately began boycotting her. Dilip Kumar Parida, a social activist, said the locals believed that AIDS is transmitted even if one interacts with an infected person. Abandoned by her in-laws, a villager said, Sukanti and her son took refuge in a deserted grain s...Antidepressant Use May Boost Fracture Risk, From Harvard Women's Health Watch
... to this association. During the 1990s, depression began to emerge as a possible cause of bone loss, rather than a result. Scientists studied women who didn't have osteoporosis symptoms or even know they had the condition. They found lower bone mineral density in those who were depressed. Moreover, the l...Thai 'Condom King's' NGO Wins Gates Award for Anti-AIDS Work
... Washington, the Gates Foundation said. "When we began our work in 1974, we couldn't have imagined a health crisis on the scale of HIV/AIDS," Viravaidya said in a Gates Foundation release announcing the award. "I was thrilled to see PDA's staff and volunteers rise to the challenge of the epidemic, and ...Detecting Cold, Feeling Pain: Study Reveals Why Menthol Fresh
...inding is a milestone in an investigation the team began several years ago. In 2002, the researchers discovered that the receptor was activated by chemical cooling agents such as menthol, a natural product of mint, and cool air. They reported their discovery, or cloning, of the receptor in Nature, hypothes...Investigational Drug Being Pursued for the Treatment of Ischaemic Stroke
...is planned to enroll 650 patients. Patient accrual began in November 2005. The trials are being conducted in the U.S., Europe, South Africa, Australia, and New Zealand. Additional countries will be entering the program. The company expects that the trials will be conducted at up to 130 sites worldwide an...FDA Approves ZYFLO CR(TM) (Zileuton) for Chronic Treatment of Asthma
...release formulation of zileuton. DEY's sales force began promoting ZYFLO(R) on April 30, 2007. Upon the launch of ZYFLO CR(TM), the combined sales forces of the two companies will begin promoting ZYFLO CR(TM) to approximately 15,000 allergists, pulmonologists and primary care physicians across the U.S....Activists Urge Greater Medical Support for Gulf War Veterans Exposed to Sarin Gas
... deployed troops returned home, about one in seven began experiencing a mysterious set of ailments, often called gulf war illnesses, with problems including persistent fatigue, chronic headaches, joint pain and nausea. Those symptoms persist today for more than 150,000 of them, according to the Department ...New Platform for Regulating Expression of Therapeutic Genes Unveiled
...was kept off in immature embryonic stem cells, but began to express itself as the cell turned into more defined tissues. This new platform now provides a means for scientists to achieve highly tailored gene expression patterns when delivering recombinant genetic material into cells. We had been looking f...Implanting Electrodes in the Brain Could Help Treat Severe Depression
...as turned on. Yet all of them almost instinctively began preparing for pleasurable activities. Focusing on the accumbens region of the brain not only seems right from a theoretical standpoint but also from an experimental point of view because it could be one node in a larger circuit that affects depress...Toolkit to Assess Reproductive Health Needs of Displaced Women
...'s Division of Reproductive Health. CDC officially began a reproductive health for refugees program in 1998....