1 Most of these diseases are infections, caused by a variety of bacteria, viruses, and parasites that can be foodborne. 2  Other diseases are poisonings, caused by harmful toxins or chemicals that have contaminated the food, for example, poisonous mushrooms.
(cluster designation 4) symbol for a glycoprotein expressed on the surface of helper T lymphocytes and other immune cells. CD4 serves as a receptor for human immunodeficiency virus envelope glycoprotein gp120.
Since the normal function of the chemokine receptors used by HIV-I for entry is to activate cells in response to various stimuli, he hypothesized that the virus itself (or its envelope glycoprotein gp120 that mediates attachment to cells) might mimic natural activation signals and he responsible for inflammation and injury in organs like brain and ...