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Tag: "tested" at biology news

Needling Chromosomes Reveals Cell Division Secret

... human hair, a Duke Universitygraduate student has tested their "stickiness" to one another duringcell division. Her uncanny surgical skills have added a piece to thelarge and intricate puzzle of how one cell divides into two -- aprocess fundamental to all organisms.In the Dec. 14, 2004, issue of Current Bi...

Purdue proves concept of using nano-materials for drug discovery

...trolling proteins in cell membranes." Researchers tested the devices with an enzyme that produces a blue color when combined with a liquid that contains molecules small enough to easily pass through the pores. The enzyme, which is a protein, was placed inside the vessels - on the inner surface of the alumi...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...me." For the first time, too, the UNC researchers tested what happened when people cleaned their hands for only 10 seconds, Sickbert-Bennett said. That represented the average length of time researchers observed busy health-care personnel washing or otherwise disinfecting their hands at work. "Previous st...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...e can in animalstudies, I hope this agent might be tested clinically both to treatHER2/neu breast tumors, an...ng, or spreading, but adds that thisnotion must be tested in human clinical trials.Lachman believes that the vaccine will address two additional safetyconside...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...e can in animalstudies, I hope this agent might be tested clinically both to treatHER2/neu breast tumors, an...ng, or spreading, but adds that thisnotion must be tested in human clinical trials.Lachman believes that the vaccine will address two additional safetyconside...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...ior author of the Blood report. The St. Jude team tested levels of sjTREC in the blood of 77 healthy donors...stem cells to their siblings. The researchers also tested 244 samples from 26 of the recipients themselves. The recipients had been treated for either white c...

UCLA scientists transform HIV into cancer-seeking missile

...hanced for safety and specificity before it can be tested as a gene-therapy method in humans. "Our next step will be to test whether we can direct therapeutic genes to the precise location where cancer cells reside," Chen said. "This approach offers many potential applications for controlling cancer and ot...

New Breast Cancer Test Could Save Lives

...n innovative radar system, will enable women to be tested regularly without the fear of over-exposure to rad...plates. This could encourage many more women to be tested regularly for breast cancer, which, according to Cancer Research UK, is the most common cancer for w...

New insight into people who 'see' colors in letters and numbers

...emes, compared to normal control subjects who were tested on the same patterns. However, the experiments with both the synesthetes and the controls also revealed that the synesthetic colors were not as effective as real colors in such tasks. In fMRI scans, the researchers found that the synesthetes showed ...

International trial of two microbicides begins

...isms of action," she adds. The microbicides to be tested are PRO 2000 and BufferGel. Produced by Indevus Pharmaceuticals, Lexington, MA, PRO 2000 has shown activity against HIV and other STIs in both laboratory and animal testing. It is believed to act by inhibiting the entry of HIV and other pathogens int...

Breast Cancer May Be 'Uniquely Sensitive' To Inhibitors Of PI3K Pathway

...tissue samples fromnewly diagnosed patients can be tested for their specific PI3K pathwayabnormality in order to find a drug that zeroes in on what may be thecancer’s Achilles?heel, Mills says. “Using those drugs in combinationwith other treatments such as chemotherapy may significantly advancebreast cancer...

Genetic Variation Visualization - From EMBL

...tissue samples fromnewly diagnosed patients can be tested for their specific PI3K pathwayabnormality in order to find a drug that zeroes in on what may be thecancer’s Achilles?heel, Mills says. “Using those drugs in combinationwith other treatments such as chemotherapy may significantly advancebreast cancer...

MetaChip provides quick, efficient toxicity screening of potential drugs

...isms of action," she adds. The microbicides to be tested are PRO 2000 and BufferGel. Produced by Indevus Pharmaceuticals, Lexington, MA, PRO 2000 has shown activity against HIV and other STIs in both laboratory and animal testing. It is believed to act by inhibiting the entry of HIV and other pathogens int...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

...a unique biological function. When the scientists tested the compound's ability to inhibit Ras function in living cells, they found it blocked the ability of colon cancer cells to grow independently in soft agar, a typical test of the cancerous potential of cells. "The next step is to test cysmethynil in ...

New Mixing Method for Microchip-Sized Labs

...tissue samples fromnewly diagnosed patients can be tested for their specific PI3K pathwayabnormality in order to find a drug that zeroes in on what may be thecancer’s Achilles?heel, Mills says. “Using those drugs in combinationwith other treatments such as chemotherapy may significantly advancebreast cancer...

Antibodies from plants protect against anthrax

...from leaves harvested from the infected plants and tested for their ability to protect mice against anthrax infection. The plant-produced antibodies were just as effective as the antibodies produced by human cells from immunized individuals. The antibodies can be used either before exposure to prevent infe...

The very unexpected life and death of a leukemic cell

...the leukemia cells were not immortal, a hypothesis tested by Nicholas Chiorazzi and colleagues in a paper appearing online on February 10 in advance of publication in the March 1 print edition of the Journal of Clinical Investigation. This new study shows that leukemia cells are born at a fast rate and do i...

Unexpressed But Indispensable -- The DNA Sequences That Control Development

...new areas of investigation, their validity must be tested “in aqua,?in the wet biology of real organisms. For this Elgar and colleagues chose the zebrafish, because its transparent embryo is ideal for observing developmental events. They injected individual CNEs into embryos, along with a green fluorescent ...

Love at first smell

...eased. In the experiment none of the females being tested could see the males. Even males previously rejected by females were rendered irresistible after the synthetic perfume had been applied. Smell is important when choosing a partner, not only for humans but also fish. To fight disease, the body's Major...

Special Imaging Study Shows Failing Hearts Are 'Energy Starved'

...nts with histories of heart failure were similarly tested to measure the CK flux. Results showed that CK flux in healthy hearts is adequate to supply energy to the heart over a fairly wide normal range of rest and stress conditions. However, in patients with mild-to-moderate heart failure, there was a 50 ...

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