The immune system's T cells have the unique responsibilities of being both jury and executioner. They examine other cells for signs of disease, including cancers or infections, and, if such evidence is found, rid them from ...
Biochemistry
Nov 2, 2009
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(PhysOrg.com) -- EphA4 is a protein which is attached to the surfaces of many types of human cells and plays a role in a wide range of biological processes. EphA4 functions by binding to ephrin ligands, cell surface proteins ...
Analytical Chemistry
Oct 23, 2009
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A team of international molecular scientists, led by a Monash University researcher has discovered a new, fast mechanism by which cells communicate change - for example their location during spreading of a cancer in the human ...
Cell & Microbiology
Oct 14, 2009
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Researchers in Australia are developing diversionary tactics to fool disease-causing bacteria in the gut. Many bacteria, including those responsible for major gut infections, such as cholera, produce toxins that damage human ...
Cell & Microbiology
Sep 8, 2009
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A research report featured on the cover of the September 2009 print issue of The FASEB Journal describes how Australian scientists developed a new gene therapy vector that uses the same machinery that viruses use to transport ...
Biotechnology
Aug 31, 2009
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New research from The Children's Hospital of Philadelphia sheds light on the role of cell receptors in acting as gatekeepers for infectious viruses. By using mice genetically engineered to lack a particular receptor in heart ...
Cell & Microbiology
Jul 22, 2009
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Pathogen recognition is the foundation of the body's immune response and survival against infection. A small cell-receptor protein called DC-SIGN is part of the immune system, and recognizes certain pathogens, including those ...
Biochemistry
Jul 14, 2009
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The oceans teem with microscopic bacteria that produce much of Earth's oxygen as they absorb carbon dioxide greenhouse gas. But fast-mutating viruses also populate the seas, attacking marine bacteria in an ages-old evolutionary ...
Ecology
Jul 2, 2009
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(PhysOrg.com) -- Although the tiny roundworm Caenorhabditis elegans has only 302 neurons in its entire nervous system, studies of this simple animal have significantly advanced our understanding of human brain function because ...
Biochemistry
Jul 2, 2009
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(PhysOrg.com) -- To say our genes are resourceful is a gross understatement. Through ingenious combinations of a paltry 20 amino acids, the basic building blocks of life, genes engineer all of the tissues and organs that ...
Biochemistry
May 7, 2009
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