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Tag: "counteract" at biology news

Cells re-energize to come back from the brink of death

...s the levels of an enzyme called GAPDH in order to counteract CICD. GAPDH appears to prevent CICD by supporting the functioning of the mitochondria and triggering the activity of certain genes that prevent or repair cell damage. The findings also suggest that the increase in GAPDH provides energy to increase au...

HIV and malaria combine to adversely affect pregnant women and their infants

...nd have also discovered how the HIV virus works to counteract this defence. The research could lead to improved vaccines for pregnant women in malaria-ravished regions. Malaria is a parasitic disease spread by mosquitoes that kills more than one million people every year. While the disease affects mostly child...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...sibility, there is a great need for solutions that counteract the acoustical effects of many employees working closely together. Acoustical scientists and engineers are using existing research to develop software that replicates acoustical conditions in and recommends solutions for these open-plan spaces. Jon...

Human's ecological footprint in 2015 and Amazonia revealed

...n footprint. "Increasing energy efficiency to counteract these impacts is feasible, but would need a focused international effort to succeed," say the researchers. According to the study, one advantage to the rapid growth of these two nations is with the development of their infrastructures in the early...

Scripps research study shows humans and plants share common regulatory pathway

...eria and other pathogens-the R proteins evolved to counteract these pathogenic effects. Our study provides a new perspective on the Nod1 pathway in mammalian cells as well as the value of drawing on plant studies of R protein pathways to better understand the pathogen recognition functions of these proteins." ...

Researchers urge monitoring of bone health during chemotherapy

...siology. "But there are things that can be done to counteract this. Physicians should carefully monitor their cancer patient's bone health with regular bone density scans (DEXA) and prescribe medications to prevent bone loss when needed. And patients should consume enough calcium and vitamin D and get sufficien...

Xylitol reduces risk of cavities

... other hand, a relatively high intake is needed to counteract the production of acid between the teeth, accordin... gum. About 6 g of xylitol per day is needed to counteract the production of acid and thereby reduce the risk of cavities. The daily intake should be distri...

Can engineered immune cells stop AIDS?

...hells as delivery vehicles to insert DNA that will counteract the infection. The "Cadillac" of this gene delivery system is an HIV-based "lentiviral vector," a type of retrovirus that uses the backbone of a virus to infect both dividing and nondividing cells. Wang says lentiviral vectors are very effici...

Leukemic cells find safe haven in bone marrow

...cules released by certain cells in the bone marrow counteract the effect of that drug, according to investigators at St. Jude Children's Research Hospital. The researchers showed that mesenchymal cells in the bone marrow create a protective niche for leukemic cells by releasing large amounts of asparagine, an...

Signal protein shows promise for blocking tumor promoters in skin cells

A protein with the ironic name "Srcasm" can counteract the effects of tumor-promoting molecules in skin c...e researchers decided to test whether Srcasm could counteract the errant effects of Src kinases. They developed strains of mice with high levels of Srcasm, which ...

Negative effects of caffeine are stronger on daytime sleep than on nocturnal sleep

... other sources of caffeine during the nighttime to counteract sleepiness generated by sleep deprivation, jet lag, and shift-work. However, this habit may have important effects when you then try to recuperate during daytime." Thirty-four moderate caffeine consumers participated in both caffeine (200 mg) and p...

Scientists show drug can counteract muscular dystrophy in mice

.... "This is the first example of using a drug to counteract muscular dystrophy in mouse models," says Dr. Sartorelli. Yet he points out that the drug is only promoting muscle regeneration ?it is not curing the defect that causes muscle deterioration. Further studies are needed to determine how long the drug ...

Brain protein improves stroke symptoms in rats, even when injected after 3 days

...e brain is to control the formation of neurons and counteract neurone death, reduces the size of the area affected by a stroke by a third when injected four hours after the onset of the stroke. The study also shows that regular, delayed injections of G-CSF, starting up to three days after experimental stroke, a...

Enzyme shreds Alzheimer's protein

...opment of AD, whereas overexpression of CatB could counteract Aß accumulation and aggregation. Thus, pharmacological activation of CatB could downregulate Aß1-42 assemblies through C-terminal truncation, offering an approach to the treatment of AD." ...

Choosy females make colourful males

...therefore underlines the importance of measures to counteract the ongoing eutrophication of the lake. ...

Neurons grown from embryonic stem cells restore function in paralyzed rats

...ram, a drug approved to treat depression, helps to counteract axon-inhibiting signals from myelin. Some animals also received transplants of neural stem cells that secreted the nerve growth factor GDNF into the sciatic nerve (the sciatic nerve extends from the spine down the back of the hind leg). GDNF causes ...

Ultrasound may help regrow teeth

...t braces can be worn. This new device will work to counteract the destructive resorptive process while allowing for the continued wearing of corrective braces. With approximately five million people in North America presently wearing orthodontic braces, the market size for the device would be 1.4 million users....

A large step forward in the fight against African sleeping sickness

...to ApoL-1, because it has particular proteins that counteract ApoL-1's action. For some time now, scientists ha...e is every indication that this substance can also counteract Trypanosoma brucei rhodesiense in humans − sparing them from African sleeping sickness. ...

Sweet 'water taste' paradoxically predicts sweet taste inhibitors

... Sweet inhibitors are used by the food industry to counteract the undesirable high sweetness that results from replacing fats with sweet carbohydrates in reduced-fat products such as snack foods and salad dressings. "The extremely close parallels between the behavior of the human sweet taste receptor and the p...

Researchers use dirt to stay one step ahead of antibiotic resistance

... it can also guide the development of therapies to counteract this resistance." Researchers screened 480 strains of soil bacteria isolated from diverse locations for resistance to 21 clinically relevant antibiotics. At high drug concentrations, the soil-dwelling bacteria displayed a stunning level of resistan...

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