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Volumn 298, Issue 5601, 2002, Pages 2195-2199

Evidence for antibody-catalyzed ozone formation in bacterial killing and inflammation

Author keywords

[No Author keywords available]

Indexed keywords

ANTIGENS; BACTERIA; BIODIVERSITY; CATALYSIS; HYDROGEN PEROXIDE; OXIDATION; OZONE;

EID: 0037073888     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1077642     Document Type: Article
Times cited : (315)

References (31)
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    • note
    • Materials and Methods available as supporting online material (SOM) on Science Online.
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    • 2*-generating system is guided solely by experimental considerations such as reaction efficiency and cellular or substrate sensitivity to irradiation.
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    • An analysis of the effects of additives, such as catalase, on intermediates that are generated during the water-oxidation pathway is only meaningful with antigen nonspecific antibodies because they are not encumbered by the sequestration and proximity effects of antigen-specific antibodies. The fact that the effect of catalase is not as dramatic on the bactericidal effects when antibodies specific for bacterial surface antigens are used is consistent with this reasoning.
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    • note
    • 2 in solution were compared with antigen nonspecific antibodies.
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    • -2). In white light, however no discemable exchange occurs during the experiment.
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    • 2* in phosphate buffer (PB) as being in accord with the known propensity of alkenes that contain no allylic hydrogens and at least one electron-donating atom α-to the olefin to form dioxetane intermediates which collapse to further products via a presumed retro [2+2] process (20).
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    • Vinyl benzoic acids 3 and 4 and their oxidized derivatives 5a and -b and 6a and -b used during these experiments are shown in the SOM (6).
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    • Human neutrophils were prepared as previously described (26).
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    • note
    • Hypochlorous acid (HOCl) is an oxidant known to be produced by neutrophils. In our experiments, NaOCl (2 mM) in P85 oxidizes 1 (100 μM) but does not cleave the double bond of 1 to yield isatin sulfonic acid 2 (6).
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    • We thank members of the TSRI mass-spectroscopy facility, especially G. Suizdak and M. Sonderegger for assistance with the isotope analysis, M. Wood for expert assistance with the electron microscopy experiments, and C. Cochran for supply of the antibody to 85A. Supported by NIH GM43858 (K.D.J.), PO1CA27489 (Program Project Grant to K.D.J. and R.A.L.) and The Skaggs Institute for Chemical Biology. J.E.M. is an Achievement Rewards for College Scientists (ARCS) Foundation graduate fellow; C.T. is supported in part by NIH training grant (ST32AI07606).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.