Tag: "two" at biology news
Small, Smac-like molecule encourages death of cancer cells
...is also a dimer, which means that is it made up of two
identical halves. Dr. Harran, an organic chemist, said their original candidate molecules were monomers, able to imitate just one half of the two-headed protein. "While working with a particular monomer, we performed a chemical reaction that caused i...
A genetic disorder yields insight into genes and cognition
...tex. The visual cortex is basically organized into two
processing pathways--a ventral pathway that proces...s with WS, as they asked the volunteers to perform two
perceptual tasks. Such fMRI imaging involves using harmless magnetic fields and radio waves to image...
Essential smell gene may provide key to new insect repellents
... of receptor, and the Or83b receptor is unusual in two
ways. First, nearly all the olfactory neurons in the fly have the Or83b receptor, whereas other kinds of receptors are divided up among small groups of olfactory neurons. In addition, Or83b is found in widely divergent species of insects, including l...
Flame retardants found on supermarket shelves
...to accumulate in animal and human tissues. Only two
other similar market basket studies have been done... Dallas supermarkets were higher than in the other two
studies. Although these findings are preliminary, they suggest that food is a major route of intake...
Chernobyl study: Risk of thyroid cancer rises with radiation dose
...doing this kind of research in Russia or the other two
countries. We had to set it all up from scratch." Challenges included purchasing Russian vehicles for the field teams using federal dollars an unprecedented bureaucratic challenge for the researchers importing all laboratory equipment and supplies,...
DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows
...e mice lived on a nutritious diet of soy and fish two
ingredients chock-full of omega-3 fatty acids," sa...mega-3 fatty acids. They divided the animals into two
sets of older mice, which already showed brain lesions but displayed no major loss of brain-cell act...
Stuck on you: Scientists lay bare secrets of bacterial attachment proteins
... yield detailed insights into the structure of the two
nanometre-wide Dr Adhesins. Their work helps to resolve a long-standing debate amongst microbiologists; it leads to the reclassifying of the Dr Adhesins into a group of bacterial protein appendages known as 'fimbriae'. These appendages are very dif...
Convulsions in worms mimic epileptic seizures
...r regulation of epilepsy, a condition that affects two
percent of the population. Guy A. Caldwell, coordi... Program; Shelli N. Williams, a Ph.D. student; and two
HHMI undergraduate research interns, Cody J. Locke and Andrea L. Braden. They studied worms with a m...
Disease diagnosis, drug development focus of UH prof's biochip research
...ices" portion of the symposium, as part of session two
on "Nanobio Interfaces," Pettitt's talk "Poly-electrolytes at the liquid solid interface: Biochips" will begin at 4:30 p.m., Tuesday, Sept. 7, in the Sam Male North, Cable Beach Resort. Starting during the conference week and continuing through ...
Analysis of gene expression in lymphoid cells can determine lymphoma cancer
...ermining the presence of cancer by analyzing these two
molecules in the lymphoid tissue," explains Giordano, an internationally recognized researcher in the genetics of cancer and gene therapy. "The change of levels of CDK9 and CYCLIN T1 in lymphoid cells shows a correlation with activity of the cancer....
Scientists discover proteins involved in spread of HIV-1 infection
...e yeast version of TSG101, called Vps23p, binds to two
other proteins, Vps28p and Vps37p, to form the E ndosomal S orting C omplex R equired for T ransport (ESCRT-I) which then participates in the protein sorting and packaging process. However, the analogous pathway in humans is not quite as define...
NHGRI launches Centers for Excellence in Ethical, Legal, and Social Implications Research
... funding assistance, in concert with the NHGRI, to two
of these centers (Duke and Stanford) reflects the ...d human health. It will be dedicated to addressing two
overarching themes resulting from the clinical integration of genomics: the need to define criteria ...
Molecular motor myosin VI moves 'hand over hand,' researchers say
...d, moves by the same "hand-over-hand" mechanism as two
other molecular motors, myosin V and kinesin. "Now... Like the related protein myosin V, myosin VI has two
"arms" connected to a "body." The tiny molecule converts chemical energy into mechanical motion, an...
Green tea research leads to gum and other products
... piece of the mint-flavored, sugar-free gum equals two
cups of green tea. CCA Industries, Inc. is a publi.... Dr. Hsu discovered that the polyphenols activate two
separate pathways, one for normal cells and one for cancer cells. The polyphenols serve as a sentine...
NASA satellites detect 'glow' of plankton in black waters
..."glow" under sunlight, due to the unique data from two
NASA satellites. According to a study conducted in...system is connected to what happens on land and in two
remote rivers, the Peace and Caloosahatchee, as they drain into the ocean. Extreme climate condition...
Analysis of biological clock may lead to greater understanding of human disease
...eactions set the clock. There are key proteins and two
key feedback loops involved, making the system a hierarchical control scheme, a design tool often used in engineering. The mechanism is called a negative feedback loop similar to that employed by an air conditioning thermostat system. It reacts when ...
Protemix corporation announces discovery of way to repair hearts damaged by diabetes
...zarin TM has a potential worldwide market of over two
million people with diabetic heart failure.' Professor Norman Sharpe, Medical Director, New Zealand Heart Foundation said: 'We hear the word breakthrough all too often, but this is a significant finding for diabetes research, which provides insight i...
APS awards more than $140,000 to minority students of physiology
...They hypothesize that, during HBV infection, these two
PKC variations are activated and alter mitochondrial calcium signaling which contributes to apoptosis. Gary Morris Eastern Virginia Medical School Mr. Morris is researching the cAMP-dependent kinase, a family of enzymes that are central to physiol...
How an insidious mutation fools DNA replication
...anded molecule shaped like a spiral staircase. The two
strands of the spiral are linked by sequences of m... process of replicating DNA, which begins when the two
strands unzip. A protein enzyme called DNA polymerase then works its way along one "template" strand...
MIT team explains yin-yang of ginseng
..., or why the popular alternative medicine can have two
entirely different, opposing effects on the body. ...Sanqi--show that each has different proportions of two
key ingredients. Additional studies showed that a preponderance of one ingredient has positive effec...
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