Links to free radical disease ipo.. Cerovive is the registered tradmark of the astrazeneca corporation for the nxy-059, a derivative of pbn..
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 and apparently safe in the treatment of various inflammatory lesions in man. Catalase has also been used in the treatment of arthritic disease in man with reported success. (195). Likewise, the action of such established antiflammatory drugs as the corticosteroids, any non-steroidal antiinflammatory agents (1,76-183,198-200) may be at least partially dependent upon interference with active oxygen metabolism in phagocytes.
Further, peroxidase release from eosinophils may playa similar role in inhibition of the inflammatory response (201) while the antioxidant properties of ceruloplasmin may also give this compound antiinflammatory properties.(21,128).
An illustrative (albeit circumstantial) model for the role of superoxide in rheumatoid arthritis can be postulated as follows: 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.
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.
With this caution, active oxygen species may play a significant role in the etiology of other inflammatory lesions in man, For example, SOD is reported to be effective in the treatment of lupus erythematosis,(43,158) and unique light-activated, superoxide-dependent lymphocyte clastogenic factors present in the serum of patients with lupus and other collagen diseases may account for some of the photosensitivity of this group of disorders. Both direct and indirect production of active oxygen species may also have a role in the pathophysiology of gout and other hyperuricemic syndromes.
hair loss treatmentAntioxidants such as the methoxyphenols are apparently effective in the amelioration of both experimental cerebral edema and spinal cord injury.(17,56). However, once again we must emphasize that, like most else in this field, the evidence for free radical involvement in inflammation and neuronal injury is circumstantial and has not been proven conclusively.
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