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Tag: "opportunistic" at biology news

Source of molecular triggers in cutaneous T cell lymphoma identified

... susceptibility of patients with extensive CTCL to opportunistic infections. "Through understanding T cell and dendritic cell interactions, we may gain the ability to manage a spectrum of maladies ranging from cancer to disorders of immune regulation," said Edelson. "Inhibiting Treg-cell generation may be useful ...

Molecular machine may lead to new drugs to combat human diseases

...treating diseases such as some forms of cancer and opportunistic infections that plague HIV patients. Purdue Unive...owever, do have Group I introns, including the HIV opportunistic infections pneumocystis, a form of pneumonia, and thrush, an infection of tissues in the oral cavity...

Scientists decipher genome of fungus that can cause life-threatening infections

...ce data.C. neoformans, an oval-shaped yeast, is an opportunistic human pathogenof global importance that is used by...ryptococcosis has emerged as one of the mostcommon opportunistic infections, and a leading cause of meningitis andbloodstream infection," says Joseph Heitman, a seni...

Immune system's distress signal tells bacteria when to strike back

The human opportunistic pathogen, Pseudomonas aeruginosa, has broken the immune system's code, report researchers from the University of Chicago, enabling the bacteria to recognize when its host is most vulnerable and to launch an attack before the weakened host can muster ...

Crisis in African fish supplies looms, experts warn Africa leaders

...ulations in remote rural areas. Around the cities, opportunistic small operations will spring up to meet demand from growing urban populations. The success of this new micro-enterprise sector will depend on investment to create effective support services. 3. Improve fish market chains In many parts of Africa, ...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...ulations in remote rural areas. Around the cities, opportunistic small operations will spring up to meet demand from growing urban populations. The success of this new micro-enterprise sector will depend on investment to create effective support services. 3. Improve fish market chains In many parts of Africa, ...

New classification of eukaryotes has implications for AIDS treatment, agriculture and beyond

...ms. Here are three examples. 1) Pneumocystis, an opportunistic pathogen causing mortality in AIDS patients and immunocompromised individuals, is now known to be a fungus, indicating a different treatment regimen is needed. 2) Phytophtora, an organism causing potato blight, such as the one that caused the Irish f...

Scientists determine structure of enzyme that disrupts bacterial virulence

...ers, and Pseudomonas aeruginosa, which often forms opportunistic infections on the lung surfaces of patients with cystic fibrosis, rely on their quorum-sensing systems to increase their pathogenicity and resistance to antibiotics. ...

A new step towards an AIDS vaccine

...ral load, reduced CD4 counts and susceptibility to opportunistic infections, and is only partially reverted by anti-retroviral therapy. By identifying the active component of HIV-1 which stimulates pDC function, and consequently other antigen presenting cell function, the authors have recognized an important pathw...

Sangamo BioSciences demonstrates its ZFP treatment protects cells from HIV infection

...able T-cells that would be available to fight both opportunistic infections and HIV itself. In this program, we have been working in close collaboration with Dr. Carl June at the University of Pennsylvania with the goal of initiating a Phase 1 clinical trial to test our ZFP Therapeutic in 2006." Dr. Carl June, D...

Tuberculosis still a risk for patients receiving HIV drugs

.... Girardi said. Since TB is a potentially deadly opportunistic infection for patients with HIV, doctors need to be aware of the risk and take certain precautionary measures. "HIV-infected patients, even when treated with HAART, remain at increased risk of developing tuberculosis," Dr. Girardi said. "Thus, physic...

UCLA scientists discover immune response to HIV differs, even in identical twins

... cytomegalovirus (CMV), a herpes virus that causes opportunistic infections in immunosuppressed individuals, and hepatitis C, the latter being similar to HIV in both its changeable and chronic nature. The study represented collaboration with other UCLA investigators and with Joseph Church of Children's Hospital...

Low-cost drug gaining favor for use in HIV-infected children in poor countries

...y shows that the drug is a safe precaution against opportunistic infections in HIV-positive children. The new review is being released as health policy makers anticipate updated recommendations on cotrimoxazole from the World Health Organization. In May 2005, the WHO gathered HIV/AIDS experts from around the worl...

Extinctions linked to climate change

...at approached 100 percent in some years, due to an opportunistic disease. In the current Nature article, researchers pointed to more examples. "The climate change in the Arctic and sub-Arctic has modified the life cycle of the nematode parasites of musk oxen," the researchers said. "These worms can now complete ...

Protein finding could lead to treatment for inflammatory diseases

...ons has increased with the rise of AIDS. MCV is an opportunistic infection in immunocompromised people, with MCV lesions growing very large and persisting for much longer periods, even years, in this population, Shisler said. "This virus makes other proteins that dampen the immune response, but MC160 seems to be ...

Landmark discovery of a Kaposi's sarcoma-associated herpesvirus receptor

...oung American men, many of whom went on to develop opportunistic infections. Dr. Berger became interested in KSHV because of his interest in how viruses enter cells. A decade ago, his research team was the first to identify CXCR4 as one of the coreceptors that allows HIV to gain entry into cells of the immune sy...

Montreal researchers identify defects of immune cells

...p us to develop better treatments to prevent these opportunistic infections in HIV patients." ...

Research reveals inner workings of immune system 'thermostat'

...n. But these mutants were much more susceptible to opportunistic infections. Why? Without tyk2, Yap found, mice didn't make enough of the pro-inflammatory warriors that destroy harmful bugs and cause inflammation. This finding established the notion that tyk2 signaling controlled Interleukin 12, the furnace side o...

Fire ants: Their true story told by the scientist who loves them

...oathing. The loathing seems a little unfair, since opportunistic fire ants will devour termites, ticks, weevils, mosquitoes and other major threats to Southern plants, property and people. Like a sort of subterranean family album, "The Fire Ants" details emigration, growth, struggle, development and death in a co...

New study calculates millions of years saved in lives of AIDS patients

...by the introduction of certain measures to prevent opportunistic infections. But in the four HAART eras spanning 1996 to 2003, per-person survival increased by approximately eight, 11, 12, and 13 years. Over the past 10 years, the investigators concluded, widespread adoption of HAART regimens, in addition to proph...

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