Abstract
A single dose of cobra venom factor, a known, potent depletor of serum complement, has recently been reported to be highly effective in inhibiting lung collagen deposition at 7 days after bleomycin treatment. The present study shows that this is associated with suppression of the bleomycin-induced increase in collagen synthesis, down to virtually normal levels. There is also a concomitant reduction in tissue free proline pool size. No significant effects are noted in noncollagenous protein synthetic rates. This inhibitory effect is not seen at 30 days after bleomycin and is correlated with a return to normal levels of serum complement hemolytic activity. These data suggest an important role for complementary activity in the lung's fibrotic response to bleomycin.
Full text
PDFSelected References
These references are in PubMed. This may not be the complete list of references from this article.
- Azar M. M., Yunis E. J., Pickering P. J., Good R. A. On the nature of immunological tolerance. Lancet. 1968 Jun 15;1(7555):1279–1281. doi: 10.1016/s0140-6736(68)92293-9. [DOI] [PubMed] [Google Scholar]
- Bedrossian C. W., Greenberg S. D., Yawn D. H., O'Neal R. M. Experimentally induced bleomycin sulfate pulmonary toxicity: histopathologic and ultrastructural study in the pheasant. Arch Pathol Lab Med. 1977 May;101(5):248–254. [PubMed] [Google Scholar]
- Bloksma N., van Dijk H., Bijlsma W., Willers J. Modulation of delayed hypersensitivity in mice by cobra venom factor. Cell Immunol. 1979 Aug;46(1):187–191. doi: 10.1016/0008-8749(79)90257-0. [DOI] [PubMed] [Google Scholar]
- Clark J. G., Overton J. E., Marino B. A., Uitto J., Starcher B. C. Collagen biosynthesis in bleomycin-induced pulmonary fibrosis in hamsters. J Lab Clin Med. 1980 Dec;96(6):943–953. [PubMed] [Google Scholar]
- Cochrane C. G., Müller-Eberhard H. J., Aikin B. S. Depletion of plasma complement in vivo by a protein of cobra venom: its effect on various immunologic reactions. J Immunol. 1970 Jul;105(1):55–69. [PubMed] [Google Scholar]
- Dunn M. A., Rojkind M., Warren K. S., Hait P. K., Rifas L., Seifter S. Liver collagen synthesis in murine schistosomiasis. J Clin Invest. 1977 Apr;59(4):666–674. doi: 10.1172/JCI108685. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Hesterberg T. W., Last J. A. Ozone-induced acute pulmonary fibrosis in rats. Prevention of increased rates of collagen synthesis by methylprednisolone. Am Rev Respir Dis. 1981 Jan;123(1):47–52. doi: 10.1164/arrd.1981.123.1.47. [DOI] [PubMed] [Google Scholar]
- Häkkinen H. M., Kulonen E. Effect of ethanol administration on free proline and glutamate in the intact rat liver. Biochem Pharmacol. 1980 May 15;29(10):1435–1439. doi: 10.1016/0006-2952(80)90441-4. [DOI] [PubMed] [Google Scholar]
- Krous H. F., Hamlin W. B. Pulmonary toxicity due to bleomycin. Report of a case. Arch Pathol. 1973 Jun;95(6):407–410. [PubMed] [Google Scholar]
- Luna M. A., Bedrossian C. W., Lichtiger B., Salem P. A. Interstitial pneumonitis associated with bleomycin therapy. Am J Clin Pathol. 1972 Nov;58(5):501–510. doi: 10.1093/ajcp/58.5.501. [DOI] [PubMed] [Google Scholar]
- Maillard J. L., Zarco R. M. Décomplémentation par un facteur extrait du venin de cobra. Effet sur plusieurs réactions immunes du cobaye et du rat. Ann Inst Pasteur (Paris) 1968 Jun;114(6):756–774. [PubMed] [Google Scholar]
- Müller-Eberhard H. J., Fjellström K. E. Isolation of the anticomplementary protein from cobra venom and its mode of action on C3. J Immunol. 1971 Dec;107(6):1666–1672. [PubMed] [Google Scholar]
- Nelson R. A., Jr A new concept of immunosuppression in hypersensitivity reactions and in transplantation immunity. Surv Ophthalmol. 1966 Aug;11(4):498–505. [PubMed] [Google Scholar]
- Peterkofsky B., Diegelmann R. Use of a mixture of proteinase-free collagenases for the specific assay of radioactive collagen in the presence of other proteins. Biochemistry. 1971 Mar 16;10(6):988–994. doi: 10.1021/bi00782a009. [DOI] [PubMed] [Google Scholar]
- Phan S. H., Thrall R. S., Ward P. A. Bleomycin-induced pulmonary fibrosis in rats: biochemical demonstration of increased rate of collagen synthesis. Am Rev Respir Dis. 1980 Mar;121(3):501–506. doi: 10.1164/arrd.1980.121.3.501. [DOI] [PubMed] [Google Scholar]
- TROLL W., LINDSLEY J. A photometric method for the determination of proline. J Biol Chem. 1955 Aug;215(2):655–660. [PubMed] [Google Scholar]
- Thrall R. S., McCormick J. R., Jack R. M., McReynolds R. A., Ward P. A. Bleomycin-induced pulmonary fibrosis in the rat: inhibition by indomethacin. Am J Pathol. 1979 Apr;95(1):117–130. [PMC free article] [PubMed] [Google Scholar]
- Thrall R. S., Phan S. H., McCormick J. R., Ward P. A. The development of bleomycin-induced pulmonary fibrosis in neutrophil-depleted and complement-depleted rats. Am J Pathol. 1981 Oct;105(1):76–81. [PMC free article] [PubMed] [Google Scholar]