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Tag: "body" at biology news

Catching cancer's spread by watching hemoglobin

...he vessels on a glass dish), imaging in the living body is possible either for vessels up to a millimeter below the surface or through the use of minimally invasive probes, being developed in various labs, that can be inserted in the body. Meeting Paper: CTuF1, "Two-Photon Absorption Imaging of Hemogl...

A cherry on top: Tart cherries may alter heart/diabetes factors

... increased production of a molecule that helps the body handle fat and sugar, compared with rats that didn...ny course of action for humans. Still, the growing body of knowledge is encouraging." Bolling and Seymour performed the study using 48 male Dahl Salt-Se...

Machine preservation may promote more organ sharing

...that the machine-preserved kidneys were out of the body for a longer period of time (a mean of 24 hours ve...it is a superior means of preserving organs out of body and provides a way to assess the viability of the organ." Stratta said machine preservation has p...

Vaccine prevents prion disease in mice

...ure. The disease spreads when an animal eats the body parts of other animals contaminated with prions. The disease causes dementia and abnormal limb movements. Prion is a protein that is also an infectious agent. The proteins are so similar to proteins found normally that the immune system does not ...

Keeping the immune system from starting a 'food fight'

After every meal, the body must prevent the immune system from launching an a... strengthen STAMP2 or prevent its suppression, the body might retain control," effectively unlinking chronic overeating and obesity from other symptoms of m...

Nitric oxide: Key to cardiovascular and pulmonary function and drug effectiveness

A naturally occurring molecule in the body appears to control whether certain medications, su... time. Nitric oxide is a molecule produced by the body that controls many functions, including the contraction or dilation of blood vessels. New experim...

Cancer patients monitor fatigue in real time

...sing anemia and by forming toxic substances in the body that interfere with normal cell functions. "People who are having problems breathing -- another symptom of some cancers -- may also experience fatigue." According to Hacker, this is the first study of real-time collection of fatigue data in acu...

Corals -- More complex than you?

...use all those genes to produce only 12-14 types of body cells. Humans, on the other hand, have developed hundreds, even thousands of different cell types. A possible explanation for this, Prof. Miller believes, is that coral genes may interact with each other in far less complex ways. Humans, on the ...

A frown or a smile? Children with autism can't discern

...ick up what’s going on ?they miss the nuances, the body language and facial expressions and sometimes miss the big picture and instead focus on minor, less socially relevant details,?Davies said. “That, in turn, affects interpersonal bonds.? ...

Premature births may be linked to seasonal levels of pesticides and nitrates in surface water

...esentation expands upon that work. "A growing body of evidence suggests that the consequence of prenatal exposure to pesticides and nitrates as well as to other environmental contaminants is detrimental to many outcomes of pregnancy. As a neonatologist, I am seeing a growing number of birth defects, ...

Students invent protective pouch to enhance cell therapy

...ein to produce insulin and other proteins that the body needs. The students have built a housing in which ...fective treatment without interfering with healthy body functions. Arepally and Bulte have overcome some of these hurdles by working with semi-permeable...

Fat screen delivers plant-derived chemical with antidiabetic effects

...is paradoxical mode of action is the idea that the body needs a place to store lipids," Tontonoz said. "If the body becomes less able to store lipids in fat, it may deposit in other tissues," where it can spur diseas...

DNA repair proteins monitored at double-strand break

...used by radiation, natural oxidants in food or the body and other toxins that can cause disease and aging. "Prior to this work, there was no practical and efficient way to find and study the DNA repair proteins that organize themselves on and around a double-strand break in human cells," said Michael K...

Toxoplasmosis infection trick revealed by scientists

...smosis pick out and invade host cells in the human body is vital if we want to fight these diseases effectively. "Now that we understand that it’s a key interaction between a protein on the parasite’s surface and sugars on the human cell which lead to the cell’s invasion, there is potential to develop...

Dealing deadly cancers a knockout punch

...mechanism, which persists for weeks or months, the body continues to fight off cancer long after the virus clears from the body. Future directions On April 11, 2007, Oncolytics announced it had initiated a Phase II trial to evaluate intravenous administration of Reolysin in patients with sarcomas...

Slowing the racing heart

...ries to increase or decrease the blood flow to the body as we eat, sleep or exercise. "Disturbances of pacemaker control are common in heart diseases. When the heartbeat becomes non-rhythmic and chaotic, it can result in fatal arrhythmias and stroke," said R. John Solaro, UIC distinguished university ...

Confirmed -- deforestation plays critical climate change role

...less efficient at higher temperatures. "The new body of information shows considerable value in preserving tropical forests such as those in the Amazon and Indonesia as carbon sinks, that they do not release the carbon back into the atmosphere as has been suggested," Dr Canadell says. "However, it also...

100 percent of pregnant women have at least one kind of pesticide in their placenta

...resence of pesticides we find an older age, higher body mass index, less weight gained during pregnancy, lower educational level, higher workplace exposure, first-time motherhood and lower weight in babies. "Serious effects on the baby" According to María José López, "we do not really know the con...

Dinosaur hearing, listening to muscle noise, quieter cubicles

... The researchers found a relationship between the body mass of a species and the size of a sensory structure in the inner ear known as the basilar papilla. Small, lightweight species with a short basilar membrane can hear higher frequencies than larger species with a longer basilar membrane. Analyzing...

The quest for an effective HIV vaccine presents new possibilities, challenges

...ize the specific microbe and can protect the human body against it if it reappears. HIV, however, has thwa...l CD4+ T cells, replicates, spreads throughout the body and establishes HIV reservoirs in lymphatic tissues. Within weeks of exposure, virus levels peak and...

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