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Tag: "phase" at biology news

A gene's first 'kiss' sets off that affair known as puberty

Puberty, that awkward phase when boys and girls are primed for their sexual reproductive years as men and women, appears to be triggered by the brain's own version of "It takes two to tango," whereby a signal literally gets turned on by a molecule that is produced by a gene apt...

Research on Worms Yields Clues on Aging

...nt and fastpumping of mouthparts during the latter phase of their extended lives.Further tests showed that the anticonvulsants stimulated transmissionof signals in nerves that control body movement.Scientists previously had found genetic mutations in C. elegans thataffect both the nervous system and life s...

Leukemia Drug Breakthrough Study In New England Journal Of Medicine

...ter & Research Institute, recently conducted a phase I/II trial of the experimental drug Revlimid showi...iversity of South Florida, initially developed the phase I clinical trial of Revlimid for treatment of MDS following his laboratory observations that the age...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

... Reinisch and Kreiling have already begun the next phase oftheir work. They are currently examining the origins of BCE toxicity atthe single-neuron level to learn what genes are turned on and off bythe exposure to the chemical mixture. The research is focused on afamily of genes known as P53, which helps t...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

... Reinisch and Kreiling have already begun the next phase oftheir work. They are currently examining the origins of BCE toxicity atthe single-neuron level to learn what genes are turned on and off bythe exposure to the chemical mixture. The research is focused on afamily of genes known as P53, which helps t...

Researchers add new tool to tumor-treatment arsenal

...atives have shown promising anti-tumor activity in phase I and II clinical trials. RAD001 lowers the amount of DNA-damaging agent needed by blocking p53's DNA-repair function, automatically killing the cancer cells when agents like cisplatin are introduced. "These findings provide the rationale for combi...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...of Health. The first half of this project ?a pilot phase that started in 2000 ?has centered on developing n... sequences. Although the main focus of the second phase of the PSI will be on solving protein structures, Norvell said there will be continued development o...

Influenza vaccine uses insect cells to speed development

...utinin. The FluBlok vaccine has recently finished phase II clinical trials, where it has established safety and the ability to elicit a strong antibody response in humans. "Since all the media used here are chemically stable and commercially available, the process can be easily scaled up for commercial m...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...itioned exactly with respect to others during each phase of the wing beat in order to produce the high power output.?/p> The researchers note that the many similarities between insect muscle and other oscillatory muscles, including human cardiac muscle, mean that the research may be adaptable for other...

World's largest rainforest drying experiment completes first phase

... are analyzing the surprising results of the first phase of a drydown experiment occurring in the Amazonian...ding to Nepstad, with the completion of this first phase of the experiment, attention will turn to another future scenario for the world's tropical rainfores...

Scientists find fossil proof of Egypt's ancient climate

...esources, since it seems to be the strongest humid phase in this region over the past 400,000 years. We're ...e exceeds five yards, an indication that the humid phase lasted at least several thousand years. Normal rainfall in the area they study is a minuscule 0.7 of...

Rush Physicians Using Gene Therapy For Heart Patients With Moderate To Severe Chest Pains Who Do Not Benefit From Other Treatments

...enter to grow new blood vessels in the heart. The phase II clinical research study uses vascular endothelial growth factor-2 (VEGF-2) in the form of a solution containing a DNA plasmid that is delivered using catheterization to heart tissue that has been damaged from insufficient blood flow. Once the cat...

Sexual cooperation: Mating increases longevity in ant queens

...it from the queen experiencing a long reproductive phase after the colony reaches sexual maturity. ...

Kinovate Life Sciences Launches Nittophase?High Performance Solid Support For Oligonucleatide Synthesis

...on on May 1st. The joint development of this solid phase support product was announced on November 8th, 2004 by Kinovate’s sole shareholder, Nitto Denko Corporation (Osaka, Japan), a leading multi-national polymer synthesis company and Isis Pharmaceuticals, Inc. (NASDAQ: ISIS), a leader in RNA-based drug d...

International HapMap consortium expands mapping effort

...irector Francis S. Collins, M.D., Ph.D. The first phase of the HapMap Project has allowed scientists to ma... analysis of this data later this year. The second phase of the project will provide researchers with a denser map that will enable them to more precisely na...

Expression Project for Oncology (expO) completes first phase of standardized gene expression analyses

...les for 60 tumor specimens, completing the initial phase of the nation’s first and eventually largest publi...s. Standardization, which will take place at every phase from consent to collection to gene expression, will result in better patient care. Collaboration wi...

HIV vaccine trial breaks ground for future research

The results of the world's first phase 3 HIV vaccine efficacy trial are reported in the March 1 issue of The Journal of Infectious Diseases, now available online. Although the vaccine was ineffective in preventing HIV infection, the trial represents a landmark in the fight against HIV and...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

...season ?from August to mid-October ?was the second phase of a three-year program whose goal is to understan...n the laboratory, according to Minkley. The first phase of the ASTEP project began in 2003 when a solar-powered robot named Hyperion, also developed at Carn...

New drug shows promise as powerful anticancer agent

...ave led to clinical evaluation of this compound in phase I clinical trials. Plk1 is a molecule that plays a key role in driving cell division. High levels of Plk1 have been observed in many human tumors, and studies using various laboratory techniques have shown that inhibition of Plk1activity leads to ce...

Turning viruses into allies against cancer

...ch has show promise in pre-clinical studies. In a phase I/II clinical trial, the scientists tested their m... one-third of the treated mice. During the second phase of their study, the scientists attached the iodine "symporter" protein to the MV-Edm and injected th...

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