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Tag: "suppress" at biology news

Type of stem cell found to reside in transplanted lungs

...t indicates a very strong ability of these MSCs to suppress the immune cells that are involved in organ rejection. In addition to helping prevent organ rejection, other possible uses for the lung-derived MSCs could be therapies related to heart attack and pulmonary fibrosis, Lama says. MSCs are termed prog...

Get a whiff of this: Smell test could sniff out serious health problems

...lls like banana. “You have to get people to really suppress the sniff and that’s why the bad odors work so well,?explains Frank. “To a certain extent, we put the banana smell in there to give them a little break.? Frank adds that his current research is exploring the patterns of loss of smell that could be ...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

...and do so in a way that the plant won’t completely suppress its normal metabolisms and activate all of its stress metabolisms when faced with a lot of stress. If you want to generate a plant that is more tolerant, you need to deal with these two things." Added Koussevitzky: "We’re trying to put the signalin...

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

... HIV levels; however, their ability to continue to suppress the virus declines over time as the virus mutates and the immune system is progressively destroyed. The infection of CD4+ T cells occurs very early in HIV disease, and virus persists indefinitely. Other viruses also replicate robustly but, unlike ...

Marine phytoplankton changes form to protect itself from different predators

...vival chances, Phaeocystis globosa will enhance or suppress the formation of colonies based on whether nearby grazers prefer eating large or small particles. “Based on chemical signals from attacked neighbors, Phaeocystis globosa enhances colony formation if that’s the best thing to do for survival, or it ...

454 sequencing identifies HIV drug resistance at early stage

...roviral drug combinations that have the ability to suppress these resistant HIV strains which will lead to better clinical responses in patients.” While treatment of HIV has been largely successful, with dramatic increases in survival over the last decade, a significant number of patients develop drug resi...

Progress toward an antitumor vaccine

...chors are themselves highly immunogenic, which can suppress the immune response against the true target, the glycoprotein.” This team has now found a good anchoring technique: Their anchor is a thioether (two carbon atoms coupled together through a sulfur atom). To this end, the carrier protein is first eq...

Loss of stem cells correlates with premature aging in animal study

...that preserve stem cells and may, consequentially, suppress aging. ...

Scratch no more: Gene for itch sensation discovered

...inal cord. This suggests that drugs can be used to suppress the itch sensation without affecting the pain sensation, according to Chen. And because pain can be an important protective cue that warns of danger, it may be a distinct advantage to have an anti-itch medication that doesn't compromise our pain-sens...

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