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Tag: "cleared" at biology news

Penn researchers link cell's protein recycling systems

...revented.” The accumulated misfolded proteins were cleared out by the lysosome system. “Then we knew that this system can compensate for the impaired proteasome function, which in itself tells us that the two pathways intersect,” says Taylor. “The question was, ‘How is this working"’” The Role of HDAC6 “T...

Warning from Asian bees

...our swarms of Asian bees found in Cairns have been cleared of carrying the dreaded Varroa destructor mite but the intruders themselves could pose the beginning of a serious threat to Australian honey bee populations. Asian bees are known to have found their way into Australian ports at least half a dozen ti...

Resistant HIV quickly hides in infants' cells

...nsmitted drug-resistant virus will likely never be cleared from that infant with currently available treatments. However, it is important to point out that because PIs are the first-line drugs used to treat HIV infection in infants in the United States, PI-containing treatment was still effective in control...

Maggots rid patients of MRSA

...he study ulcer. All but one of the patients was cleared of the superbug. During the treatment period, no adverse reactions were reported and there was a reduction in sloughy necrotic tissue and an increase in healthy, growing tissue on removal of the last larval application. In their second study, he a...

New sucker-footed bat discovered in Madagascar

...nts in zones where the original forests have been cleared and burned. "For now, we do not have to worry...orest cover remains, as the forests continue to be cleared by associated subsistence agricultural activities and to provide wood energy for urban zones. The is...

Large size crucial for Amazon forest reserves

...ving a trail of small forest fragments isolated by cleared land. Many species that occur in intact forest prior to destruction will not be present in a small fragment, but would they be found in an equally small plot surrounded by untouched forest? The answer to this question has profound management implicat...

Natural polyester makes new sutures stronger, safer

...er need to have them removed. A biopolymer suture cleared last month by the FDA is made of materials that th...tities of the strong, flexible polymer. The FDA cleared the biopolymer sutures on Feb. 8, and Williams said Tepha plans to start marketing them soon, in par...

Reactivated gene shrinks tumors

...rink but the senescent tumor cells were eventually cleared away. The researchers are not sure why these two cancers are affected in different ways, but they have started trying to figure it out by identifying the other genes that are activated in each type of tumor when p53 turns back on. The study als...

Ring-around-the-cell

...odeling every day of our lives, as old material is cleared away so that new bone can form. In diseases such as osteoporosis, an imbalance in this process is responsible for the characteristic bone loss. New research at the Weizmann Institute of Science, which recently appeared in the online journal PLoS ONE,...

Growth hormone to boost athletic performance risks diabetes

...r which he was discharged. His symptoms completely cleared up, and he was no longer diabetic. The use of growth hormone has steadily risen among amateur athletes and bodybuilders all round the world, say the authors, because it is easy to buy online and difficult to detect in screening tests—unlike anabol...

Teenager moves video icons just by imagination

...game, he then controlled it with his brain. "He cleared out the whole level one basically on brain control," said Leuthardt. "He learned almost instantaneously. We then gave him a more challenging version in two-dimensions and he mastered two levels there playing only with his imagination." In 2004, Le...

Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses

...a. "For some respiratory viruses, you've either cleared the infection at that point or succumbed to the infection," Tripp said. "What we've developed is the next generation of diagnostic testing." ...

New engineered drug may offer prolonged arthritis relief

... large amounts of this drug systemically, but it's cleared very rapidly and there is no evidence that it reaches the joint space," said Helawe Betre, who performed these studies for his doctoral work at Duke and now works at Zimmer Orthobiologics. "We set out to develop a modified version of the drug that wh...

Most widely used organic pesticide requires help to kill

... the caterpillars whose intestinal tracts had been cleared of their native microbial communities showed none of the agent's toxic effects. When the insect's microbial gut flora were reestablished, Bt's insecticidal activity was restored.To further test their results, the Wisconsin team used a strain of liv...

Molecular 'on/off switch' controls immune defenses against viruses

...nerate an immune response. Once the virus has been cleared out, the LGP2 protein turns off the RIG-I signals. This interaction between RIG-I and LGP2 is vital for properly regulating immunity, but viruses such as hepatitis C can disrupt the normal process to shut down immune defenses early, the research t...

Researchers unveil strategy for creating actively-programmed anti-cancer molecules

...a week. In comparison, the small molecule drug was cleared in a matter of minutes. "Although the study focused specifically on breast cancer, these new findings could have broad application in the treatment of a number of other cancers, potentially increasing the efficacy of a number of existing or undevel...

A new tool against brain disease

...virus vaccine against smallpox that is effectively cleared by the immune system. According to Walker, those findings indicate that activation of the PD-1 pathway occurs during the immune system's general response to viral infection. In test tube studies, the researchers showed that higher PD-1 expressi...

How HIV 'exhausts' killer T cells

...virus vaccine against smallpox that is effectively cleared by the immune system. According to Walker, those findings indicate that activation of the PD-1 pathway occurs during the immune system's general response to viral infection. In test tube studies, the researchers showed that higher PD-1 expressi...

First surveys of Tanzanian mountains reveal 160+ animal species, including new & endemic

...rved about 49 acres of one forest reserve had been cleared for bean and tobacco farms. Elsewhere, there was evidence of logging and hunting camps. These observations underscore the urgent need for additional conservation investment in the area and in helping limited forestry department staff with tiny budget...

Drug triggers body's mechanism to reverse aging effect on memory process

...ged rats' brains even after the ampakines had been cleared from the animals' bodies. The drug used in the injections has a half-life of only 15 minutes; the increase in LTP was seen in the rats' brains more than 18 hours later. According to the researchers, this study suggests that pharmaceutical products ba...

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