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Tag: "tests" at biology news

Association of herpesvirus with lung disorder questioned

...tudy, Katano and colleagues performed two types of tests in the tissue samples, one to detect an antigen as...ed with HHV-8, the other to detect HHV-8 DNA. Both tests failed to detect either the antigen or the DNA in any of the 22 samples from the two groups with som...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

... the need for the development of better laboratory tests for such studies. "When DNA repair capacity can be measured easily and quickly, the scientific community will be able to clearly understand the role of DNA repair capacity in the development of cancer and possibly to develop interventions to reduce c...

Growth in the sea comes down to a struggle for iron

...the onset of ice ages. Martin died in 1993 just as tests of his ideas were getting underway, but scientists...ytoplankton bloom of any of the iron fertilization tests conducted to that date. The question that remains unanswered is why the diatoms showed signs of nutr...

Neuronal 'traffic jam' marks early Alzheimer's disease

...r's disease that could be used in early diagnostic tests for the disorder, they said. The research team le...lication of these findings to potential diagnostic tests or new therapies remains speculative at this time. "However, if tracers could be developed that woul...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

...been implicated,?Mukherjee said.He found in animal tests that Nifrolidine binds to receptors in thetemporal and frontal cortex, areas that are responsible for learningand memory as well as reasoning, planning, problem solving and emotion.According to Mukherjee, patients with Alzheimer’s disease have beenkn...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

... development of new vaccines as well as diagnostic tests that can distinguish the amoeba's most deadly stra...ced is allowing the development of "new diagnostic tests that help distinguish the most deadly substrains of the parasite." Dr. Alok Bhattacharya, a collabo...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

... used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researchers worldwide are excited about the notion of using protein “barcodes?to identify individual cancers before symptoms appear, but Baggerly and others maintain that the promise of...

New species from old data

... used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researchers worldwide are excited about the notion of using protein “barcodes?to identify individual cancers before symptoms appear, but Baggerly and others maintain that the promise of...

Cracking the olfactory code in bees

... used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researchers worldwide are excited about the notion of using protein “barcodes?to identify individual cancers before symptoms appear, but Baggerly and others maintain that the promise of...

Signaling protein builds bigger, better bones in mice

... used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researchers worldwide are excited about the notion of using protein “barcodes?to identify individual cancers before symptoms appear, but Baggerly and others maintain that the promise of...

Research on Worms Yields Clues on Aging

...verage of 17 days to an average of 20 days.Further tests on anticonvulsants revealed that they also increas...g the latter phase of their extended lives.Further tests showed that the anticonvulsants stimulated transmissionof signals in nerves that control body moveme...

Genome-wide mouse study yields link to human leukemia

...but only in the mice with full-blown ALL. Further tests revealed that the methylation pattern in the mice with leukemia is strikingly similar to the pattern of methylation in human leukemia. In the process, the researchers also identified a new gene that when methylated, appears to interrupt normal cell ...

Marburg virus disease in Angola - update

... infection and laboratory results were negative in tests performed by the Bernard-Nocht Institute for Tropical Medicine, Hamburg, Germany, a WHO Reference Laboratory. ...

Gene therapy converts dead bone graft to new, living tissue

...rectly onto a bone graft during surgery. Numerous tests in mice confirmed that the virus permeated the inflammatory tissue around the dead bone and turned on the genes. The mouse body then began to treat the implanted bone as if it were its own tissue instead of a foreign object, which would normally trig...

Mouse brain tumors mimic those in human genetic disorder

...gate a clinicalconcern. Physicians rely on several tests to determine whether a childwith an optic pathway ...nd the patient's clinical symptoms. Butoften those tests aren't sufficiently informative, so experts alsoexamine pictures of the patient's brain taken with m...

Gene variations explain drug dose required to control seizures

...he findings suggest that, by incorporating genetic tests into the prescription process, physicians might improve outcomes for patients with epilepsy, said the researchers. A similar approach might also prove useful for other conditions, such as Parkinson's disease and cancer, in which patients' drug dosage...

Poplar trees redirect resources in response to simulated attack

...es there," Ferrieri said. "We will have to do more tests to see what compounds are formed." Ferrieri believes there may be an increase in compounds that resist microbial attack after plants have soaked up atmospheric carbon dioxide, therefore countering the effects of fossil-fuel combustion. This is a str...

New Study from Affymetrix Laboratories Points to Changing View of How Genome Works

...fymetrix tiling microarrays and unique biochemical tests to scan the sequence of 10 human chromosomes -- one third of the human genome sequence -- and found that roughly 15 percent of the DNA sequence analyzed was transcribed; most sites of transcription were not located in areas associated with protein-co...

Scientists develop new color-coded test for protein folding

..., which works on the same principle as ordinary pH tests that measure the acidity of water, is described in the March 2005 issue of the journal Chemistry and Biology. "What we've developed is a simple and inexpensive sensor for determining when a protein changes its conformation," said study co-author Ric...

Nanogen Issued Patent for Electronic Microarray With Memory

...road suite of analyte specific reagents to develop tests to detect infectious diseases, drug toxicity and m...ary SynX offers a line of point-of-care diagnostic tests and is building expertise in cardiac related health conditions. Nanogen's ten years of pioneering re...

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