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Tag: "carries" at biology news

DNA Molecules Used To Assemble Nanoparticles

...o the diseased cells. The other end of the complex carries a fluorescent protein so that the researchers can ...a nanoparticle cluster in which a single dendrimer carries three single-strands of DNA, each with a sequence specific to the DNA attached to other kinds of den...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...ats can do their dirty work," said Spiegelman, who carries out basic research on fat cells and metabolic pathways in diabetes and cancer at Dana-Farber. "It offers the opportunity to try to understand what makes these fatty acids so deleterious, and what we need to avoid." Moreover, it is possible that in t...

Gene therapy converts dead bone graft to new, living tissue

...05 Kappa Delta Young Investigator Award. The honor carries with it a grant for $20,000 to help expand his research. Schwarz is also founder and president of the Rochester-based biotechnology company LAGeT, a company Schwarz spun off from his university research. The firm seeks to commercialize Schwarz's res...

Researchers discover molecule that causes secondary stroke

...the cerebral spinal fluid that envelopes the brain carries off wastes and exchanges them for nutrients at what's called the blood-brain barrier," Dr. Clark says. "After a hemorrhagic stroke, however, toxins given off by the brain bleed contribute to the development of specific molecules that later causes the...

Same mutation aided evolution in many fish species, Stanford study finds

...apt to their unique environments. The recent work carries a few surprises. Kingsley said that the gene in question, called Eda, is an old friend to laboratory researchers who have found that mutations in the same gene in mice cause altered hair patterns. However, in mice similar alterations can also be crea...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

... produce a vital chemical known as dopamine, which carries messages that tell the body how and when to move. In tests with 31 monkeys, including a control group, scientists inserted copies of a gene to produce GDNF into a region in the front part of the brain called the striatum. They then induced Parkinson-...

Gene therapy for Parkinson's disease moves forward in animals

... produce a vital chemical known as dopamine, which carries messages that tell the body how and when to move. In tests with 31 monkeys, including a control group, scientists inserted copies of a gene to produce GDNF into a region in the front part of the brain called the striatum. They then induced Parkinson-...

Iron exporter revealed that may explain common human disorder

...obin, the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues. Unlike other metals, iron cannot be eliminated through the liver or kidneys, Andrews explained. Iron balance is maintained instead through the complex regulation of tissues that transport, store, and utili...

Nanoscale Diagnostic Sets Sights on Alzheimer's

...e test and its potential to tell doctors a patient carries the ADDLs. According to the researchers, BCA is about 1 million times more sensitive than the next best thing ?standard enzyme-linked immunoassays (ELISAs). ELISAs do not have the sensitivity required to detect ADDLs in cerebrospinal fluid. BCA cou...

Multi-purpose protein regulates new protein synthesis and immune cell development

...ut there's only one IRE1 gene and one protein that carries out a unique biochemical reaction. This makes IRE1 a perfect target for pharmacological intervention for B cell-driven autoimmune diseases, like myasthenia gravis or systemic lupus erythematosus." Results from the study will be published in the Feb....

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

...otentially fatal weakening of the main artery that carries blood out from the heart. In an article published online February 28, 2005 in the Annals of Neurology (http://www.interscience.wiley.com/journal/ana) the same French researchers who linked dolichoectasia with aortic aneurysm reveal new evidence that...

Live vaccines more effective against horse herpes virus

...ate contact between horses. Once infected, a horse carries the virus for the rest of its life in a "latent" (dormant) state. The same symptoms from the initial infection can be reactivated by stress later in life. Osterrieder will present his new findings on vaccine effectiveness, involving a limited study ...

Biomarkers isolated from saliva successfully predict oral and breast cancer

...g early cancer. In the cell, messenger RNA or mRNA carries a copy of the genetic code or DNA, housed in the cell's nucleus, to other parts of the cell for protein manufacture. The process by which genes are copied to mRNA, via an enzyme called RNA polymerase, is called transcription and the products are call...

Novel gene-silencing nanoparticles shown to inhibit Ewing's sarcoma

... attached to transferrin, a protein that typically carries iron molecules through the bloodstream until it meets up with a transferrin receptor on the surface of another cell. The transferrin binds tightly to a receptor on the cell's surface, where it is drawn inside and surrounded by a small vesicle. The ve...

Maine Researchers Find Exceptions to Old Rules of Genetic Inheritance

... In feral house mice, 20 percent of the population carries one copy of the t haplotype whereas the remaining 80 percent carries the wild haplotype. According to the distribution predictions set out by Gregor Mendel, the 19th cen...

Analysis Of Human Genome To Predict The Development Of Illnesses

...Genomic Analysis for Rapid Biological Annotation), carries out the following process: firstly, it hierarchically classifies all known genes and proteins according to their molecular function, molecular composition and biological process. With the unknown ones, they are logged (comparing similarities and diff...

Engineers improve plastic's potential for use in implants by linking it to biological material

...r it to attach well to the plastic. Aspartic acid carries a negative charge, which in T59 appeared to be drawn to the positively charged surface of the polypyrrole the way magnets of opposite charges cling together. Yet other peptides containing aspartic acid didn't attach to polypyrrole, leading the resear...

U. Iowa researchers improve Huntington's disease symptoms in mice

...ered or transgenic mouse model used by the UI team carries a section of the human HD gene. These mice quickly develop movement and coordination abnormalities and they die young. Aggregates, or clumps of protein, also develop in certain brain cells. Davidson explained that this mouse is very good for proof-o...

Researchers pioneer new gene therapy technique using natural repair process

.... One out of every 12 African-American individuals carries this mutation, and one out of every 500 African-American births is afflicted with disease. In theory, blood stem cells with the sickle cell mutation could be removed, treated with the enzyme and the correct version of the mutant gene, and eventually...

Climatologists discover deep-sea secret

... influenced by the gulf stream. This ocean current carries warm water from the Gulf of Mexico northwards along the Florida coast, eastwards across the Atlantic and southwards along the west coast of Europe, bringing a mild climate. The strength of the current is dependent on the salinity of the water travell...

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