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. Cerovive is the registered tradmark of the astrazeneca corporation for the nxy-059, a derivative of pbn.....questions
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This is of some clinical importance, since an antiinflammatory pharmaceutical preparation rich in SOD ("orgotein") is used in veterinary medicine and recently has been shown to be both effective Hair Lossand apparently safe in the treatment of various inflammatory lesions in man.
An illustrative (albeit circumstantial) model for the role of superoxide in rheumatoid arthritis can be postulated as follows: Granulocytes tend to be concentrated at sites of active rheumatic disease, presumably in response to the presence of immune complexes and other immunomodulator substances. Superoxide, peroxide, and other active oxygen species produced further kindle the inflammatory process by specific mechanisms such as those outlined in Figure 4. Catalysis of radical oxidations by transition-sernies metals may also play a role.
links1.. centaur cerovive renovis radical nitrone Agents such as ectopic SOD may interfere with this process by destroying active oxygen species or increasing peroxide fluxes, thus interfering with one or more of the mechanisms detailed above and in Figure 4.
Since SOD is one of the most substrate-specific enzymes known, at first sight its efficacy in rheumatoid arthritis and other lesions strongly implies a role for active oxygen species in such diseases and a role for superoxide-destroying agents in their treatment. However, there are serious problems with such an assumption. For example, the course of action of SOD as an inflammatory agent often bears no apparent relationship to its serum levels (1,185) and the "denatured" enzyme still possesses significant antiinflammatory properties. 185 Feel (51) even ably questions the specific role of the protein in destroying superoxide.