Article ; Online: Bioactive C-phycocyanin exerts immunomodulatory and antitumor activity in mice with induced melanoma.
Toxicology and applied pharmacology
2024 Volume 484, Page(s) 116874
Abstract: Melanoma is the most aggressive and deadly skin cancer. The difficulty in its treatment arises from its ability to suppress the immune system, making it crucial to find a substance that increases anti-tumor immunity. C-phycocyanin (C-PC) appears as a ... ...
| Abstract | Melanoma is the most aggressive and deadly skin cancer. The difficulty in its treatment arises from its ability to suppress the immune system, making it crucial to find a substance that increases anti-tumor immunity. C-phycocyanin (C-PC) appears as a promising bioactive, with multifaceted effects against several cancers, but its efficacy against melanoma has only been tested in vitro. Therefore, we investigated C-PC's the anti-tumor and immunomodulatory action in a murine melanoma model. The tumor was subcutaneously induced in C57BL/6 mice by injecting B16F10 cells. The animals were injected subcutaneously with C-PC for three consecutive days. After euthanasia, the tumor was weighed and measured. The inguinal lymph node was removed, and the cells were stained with antibodies and analyzed by flow cytometry. The heart, brain and lung were analyzed by histopathology. C-PC increased the B cell population of the inguinal lymph node in percentage and absolute number. The absolute number of T lymphocytes and myeloid cells were also increased in the groups treated with C-PC. Thus, C-PC showed a positive immunomodulatory effect both animals with and without tumor. However, this effect was more pronounced in the presence of the tumor. Positive immune system modulation may be associated with a reduction in tumor growth in animals treated with C-PC. Administration of C-PC subcutaneously did not cause organ damage. Our findings demonstrate C-PC's immunomodulatory and anti-melanoma action, paving the way for clinical research with this bioactive. |
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| MeSH term(s) | Animals ; Mice ; Melanoma ; Phycocyanin/pharmacology ; Phycocyanin/therapeutic use ; Mice, Inbred C57BL ; Skin Neoplasms/drug therapy ; Immunomodulation | |||||
| Chemical Substances | Phycocyanin (11016-15-2) | |||||
| Language | English | |||||
| Publishing date | 2024-02-28 | |||||
| Publishing country | United States | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 204477-8 | |||||
| ISSN | 1096-0333 ; 0041-008X | |||||
| ISSN (online) | 1096-0333 | |||||
| ISSN | 0041-008X | |||||
| DOI | 10.1016/j.taap.2024.116874 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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