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The absence of an effective therapy against human solid tumors has fostered the development of promising antineoplastic therapeutic candidates, as the CIGB-552 peptide. This synthetic peptide has shown to be effective in reducing tumor size and increasing the lifespan in tumor-bearing mice. Therefore, this work was aimed to explore the safety profile and preliminary assessment of antitumor activity of the CIGB-552 peptide therapeutic candidate in a small population of dogs (n=9) having malignant spontaneously-arising solid tumors. The peptide was administered by subcutaneous (s.c.) route, at three dosage levels (0.075, 0.15 and 0.3mg/kg). The results showed no dose-limiting toxicities in any dogs. The antitumor activity observed in dogs receiving CIGB-552 was associated with the reduction in the tumor volume. Given the antitumor effects of CIGB-552 as mediated by COMMD1 protein, which function is highly conserved among eukaryotic organisms, and the similarities of canine and human types of cancer with respect to tumor biology, it is likely that CIGB-552 could demonstrate comparable anti-cancer activity in human patients. Synthetic peptide, COMMD1, Tumor, Dog, CIGB-552.
Pubmed ID: 28987957
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Public database with millions of high-resolution images showing the spatial distribution of proteins in different normal human tissues and cancer types, as well as different human cell lines. The data is released together with application-specific validation performed for each antibody, including immunohistochemisty, Western blot analysis and, for a large fraction, a protein array assay and immunofluorescent based confocal microscopy. The database has been developed in a gene-centric manner with the inclusion of all human genes predicted from genome efforts. Search functionalities allow for complex queries regarding protein expression profiles, protein classes and chromosome location. Antibodies included have been analyzed using a standardized protocol in a single attempt without further efforts to optimize the procedure and therefore it cannot be excluded that certain observed binding properties are due to technical rather than biological reasons and that further optimization could result in a different outcome. Submission of antibodies: The Swedish Human Proteome Atlas (HPA) program, invites submission of antibodies from both academic and commercial sources to be included in the human protein atlas. All antibodies will be validated by the HPA-program by a standard procedure and antibodies that are accepted will be use in the tissue- profiling program to generate high-resolution immunohistochemistry images representing a wide spectrum of normal tissues and cancer types.
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