News tagged with cytotoxic t cells
Earlier Flu Viruses Provided Some Immunity to Current H1N1 Influenza, Study Shows
Oct 14, 2009 |
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(PhysOrg.com) -- University of California, Davis, researchers studying the 2009 H1N1 influenza virus, formerly referred to as "swine flu," have identified a group of immunologically important sites on the ...
Estrogen-dependent switch tempers killing activity of immune cells
Aug 10, 2009 |
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The sex hormone estrogen tempers the killing activity of a specific group of immune cells, the cytotoxic T cells (CTLs), which are known to attack tumor cells and cells infected by viruses. The key player in this process ...
Vaccine shows therapeutic promise against advanced melanoma
Jun 01, 2009 |
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A vaccine for one of the most lethal cancers, advanced melanoma, has shown improved response rates and progression-free survival for patients when combined with the immunotherapy drug, Interleukin-2, according to researchers ...
Virologists developing more potent vaccine technology
May 04, 2009 |
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Virginia Tech virologist Chris Roberts' goal is to develop a platform for a flu vaccine that allows rapid modifications to meet new strains of flu.
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First-ever blueprint of a minimal cell is more complex than expected
23 hours ago |
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What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an entire organism ...
Research sheds light on workings of anti-cancer drug
Chemistry / Analytical Chemistry
23 hours ago |
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(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...
Physician-scientist proves stem cells heal lungs of newborn animals
Nov 26, 2009 |
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Dr. Bernard Thébaud lives in two very different worlds. As a specialist in the Stollery Children's Hospital's Neonatal Intensive Care Unit at the Royal Alexandra Hospital, he cares for tiny babies, many of whom struggle ...
Knockouts in human cells point to pathogenic targets
Nov 26, 2009 |
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(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.
Whiteflies sabotage alarm system of plant in distress
Nov 26, 2009 |
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(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...
An end to sleep problems? Researchers discover enzyme behind effects of sleep deprivation
Nov 26, 2009 |
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There is hope for those who miss one night too many or whose children keep them up at night. The unwelcome effects of a bad night's sleep - forgetfulness, impaired mental performance - can be dealt with by reducing the concentration ...
RNA on the move
Nov 26, 2009 |
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In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along ...
Plasma produces KO cocktail for MRSA
Nov 26, 2009 |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
Implant-based cancer vaccine is first to eliminate tumors in mice
Nov 25, 2009 |
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(PhysOrg.com) -- A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week in the journal ...
Crosstalk between critical cell-signaling pathways holds clues to tumor invasion and metastasis
Nov 25, 2009 |
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Two signaling pathways essential to normal human development - the Wnt/Wingless (Wnt) and epidermal growth factor receptor (EGFR) pathways - interact in ways that can promote tumor cell invasion and metastasis, researchers ...
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