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Journal of Environmental Pathology, Toxicology and Oncology

Publicado 4 números por año

ISSN Imprimir: 0731-8898

ISSN En Línea: 2162-6537

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 2.4 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 2.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.5 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00049 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.59 SJR: 0.429 SNIP: 0.507 CiteScore™:: 3.9 H-Index: 49

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Deposition of Complement Proteins on Cells Treated by Photodynamic Therapy in Vitro

Volumen 25, Edición 1-2, 2006, pp. 189-204
DOI: 10.1615/JEnvironPatholToxicolOncol.v25.i1-2.110
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SINOPSIS

Activation of the complement system has emerged as a critical event in the response of tumors to photodynamic therapy (PDT) due to its involvement in the vascular effects as well as in the inflammatory and immune reactions observed with this treatment modality. However, the exact mechanism of PDT-induced complement activation has not been precisely characterized. The present study examines the potential of PDT at the cellular level to directly activate the complement system. Mouse tumor SCCVII cells treated by Photofrin-based PDT and post-incubated in the presence of homologous (mouse) serum were analyzed by flow cytometry for binding of complement proteins on their surface. The results show that PDT induced the fixation of complement C3 protein, probably in the form of its activated fragments, and of the terminal membrane attacks complex of complement on the treated SCCVII cells. Deposition of C3/C3 fragments on human umbilical vein endothelial cells (HUVEC) treated by Photofrin-PDT and post-incubated in the presence of human serum was also detected. Complement fixation was preferentially elevated on SCCVII cell undergoing PDT-induced apoptosis. The induction of surface expression of heat shock protein 70 (HSP70) on PDT-treated cells also triggered complement deposition, since the presence of anti-HSP70 antibodies during the post-PDT incubation blocked the anchoring of C3/C3 fragments to SCCVII cells. The fact that PDT-treated cells are recognized by the complement system as their target adds an important element for understanding the mechanism of tumor response to PDT.

CITADO POR
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  19. Asadzadeh Zahra, Safarzadeh Elham, Safaei Sahar, Baradaran Ali, Mohammadi Ali, Hajiasgharzadeh Khalil, Derakhshani Afshin, Argentiero Antonella, Silvestris Nicola, Baradaran Behzad, Current Approaches for Combination Therapy of Cancer: The Role of Immunogenic Cell Death, Cancers, 12, 4, 2020. Crossref

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  22. Mroz Pawel, Vatansever Fatma, Muchowicz Angelika, Hamblin Michael R., Photodynamic Therapy of Murine Mastocytoma Induces Specific Immune Responses against the Cancer/Testis Antigen P1A, Cancer Research, 73, 21, 2013. Crossref

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