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Tag: "study" at biology news

Male circumcision reduces risk of HIV transmission from women to men

The first study to examine the probability ofHIV infection per act...per-sexual-act probability ofHIV transmission. The study is the first to calculate the probabilityof infection for men who have multiple, concurrent heterose...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...tics & Applied Mathematics. He adds that this study “illustrates the need for researchers to set stand...n 2002 by researchers in the journal, Lancet. That study reported dramatic results using mass spectrometry to search for a pattern of proteins in blood. In s...

New species from old data

...tics & Applied Mathematics. He adds that this study “illustrates the need for researchers to set stand...n 2002 by researchers in the journal, Lancet. That study reported dramatic results using mass spectrometry to search for a pattern of proteins in blood. In s...

Cracking the olfactory code in bees

...tics & Applied Mathematics. He adds that this study “illustrates the need for researchers to set stand...n 2002 by researchers in the journal, Lancet. That study reported dramatic results using mass spectrometry to search for a pattern of proteins in blood. In s...

Study Demonstrates Gene Expression Microarrays are Comparable and Reproducible

...unity (and the microarrays producing companies)! A study funded by the National Cancer Institute, part of t...rector’s Challenge program set up this preliminary study to compareresults between labs. Twelve different tumor tissues, five cancer celllines, and five puri...

Signaling protein builds bigger, better bones in mice

...tics & Applied Mathematics. He adds that this study “illustrates the need for researchers to set stand...n 2002 by researchers in the journal, Lancet. That study reported dramatic results using mass spectrometry to search for a pattern of proteins in blood. In s...

Scientists detect probable genetic cause of some Parkinson's disease cases

...o earlier detection of Parkinson's disease.Further study of how this gene works also might help scientistsidentify new treatments."In addition to Dr. Singleton, the collaborative work was spearheaded byWilliam C. Nichols, Ph.D., of Cincinnati Children's Hospital, TatianaForoud, Ph.D., of Indiana University...

Computers to be used to find blueprint for new influenza drug

...effectiveness is limited. He and Dr Ruggiero will study sialidases, enzymes used by the flu virus to snip off a special type of sugar, sialic acid, from the throat cell, allowing the virus to enter the cell and reproduce. The new drug would be chemically similar to the sialic acid, but would act to inhib...

Transplantation Of Monkey Embryonic Stem Cells Reverses Parkinson Disease In Primates

...e Parkinson'sInstitute, California, describes this study as a milestone in thedevelopment of stem cell tech...py in humans.Langston highlights that "clearly the study reported here will advanceresearch aimed at validating the use of stem cells to treatneurodegenerati...

Study Links Ebola Outbreaks To Animal Carcasses

...ing infected wild animal carcasses, according to a study by the Wildlife Conservation Society (WCS) and its...n of the journal Emerging Infectious Diseases, the study found that many animal carcasses tested for Ebola between 2001 and 2003 produced positive results, a...

Bound for destruction: Ubiquitination protects against improper Notch signaling

...it known as a proteasome. Hayashi et al. sought to study thepossibility that ubiquitination might play a part in rendering theunbound Notch receptor inert. Their attention was drawn to Nedd4 (amember of the ubiquitin ligase family of molecules that directly bindto proteins marked for degradation), as it ha...

Combination therapy boosts effectiveness of telomere-directed cancer cell death

...ssometimes worth it, as we can see .A new research study published in the January issue of Cancer Cellprovi...e inhibitor and accelerated cancer celldeath."This study provides insight into strategies for telomere-basedmolecular cancer therapeutics. We expect that inh...

Inflammatory molecules released by pollen trigger allergies

...pollen particles provoke allergic reactions? A new study in the February 21 issue of The Journal of Experimental Medicine puts some of the blame on bioactive molecules that are released from pollen. These molecules bind to immune cells and cause them to launch a typical allergy-promoting immune response. P...

GATA: a graphic alignment tool for comparative sequence analysis

...ssometimes worth it, as we can see .A new research study published in the January issue of Cancer Cellprovi...e inhibitor and accelerated cancer celldeath."This study provides insight into strategies for telomere-basedmolecular cancer therapeutics. We expect that inh...

Whole genome fine map of rice completed

...e are large differences in intergenic regions. The study also analyzed the duplication history of the rice genome. Eighteen pairs of apparent duplications were discovered, covering 65.7% of the genome. Among them, 17 pairs happened before the divergence of the grasses from other flowering plants. More impo...

“Nano-scissors?laser shows precise surgical capability

...x nervous systems. This laserallows researchers to study nerve cells at their most basicevolutionary form, opening the door to other experiments on genetic andmolecular factors that determine whether damaged nerve cells regrow.Ben-Yakar developed the femtosecond laser surgery technique using thelaboratorie...

Genome-wide mouse study yields link to human leukemia

...p a "treasure box" of opportunity and possibility, study authors say. Researchers in The Ohio State University Comprehensive Cancer Center bred a type of mouse that develops acute lymphoblastic leukemia (ALL). The mouse first goes through a pre-leukemic stage marked by rapidly expanding T cells and natura...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

... whole grains, spinach, seeds andother foods.Their study in yeast cells demonstrated that iron-starved cell...uman cells, as well, to aneven greater degree. His study was conducted in yeast cells becausetheir genome is remarkably similar to that of a human cell. In f...

Learning to fight an adversary that won't stay down

...action (PCR) have made it possible to identify and study the many genes responsible for antibiotic resistance in hospitals and the environment. "What has been found is that there are more antibiotic resistance genes around than we ever realized," says Dr. Davies. "There are more than 300 genes now known t...

Novel Enzyme Shows Potential As An Anti-HIV Target

...d prove to be a promising anti-HIV therapy. Future study will have to verify whether inhibiting SIRT1 can successfully put the brakes on HIV transcription and control the virus (See also “A New Paradigm in Eukaryotic Biology: HIV Tat and the Control of Transcriptional Elongation?/a>. ...

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