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In vivo antitumor and antimetastatic effects of flavokawain B in 4T1 breast cancer cell-challenged mice.


ABSTRACT: Flavokawain B (FKB) is a naturally occurring chalcone that can be isolated through the root extracts of the kava-kava plant (Piper methysticum). It can also be synthesized chemically to increase the yield. This compound is a promising candidate as a biological agent, as it is reported to be involved in a wide range of biological activities. Furthermore, FKB was reported to have antitumorigenic effects in several cancer cell lines in vitro. However, the in vivo antitumor effects of FKB have not been reported on yet. Breast cancer is one of the major causes of cancer-related deaths in the world today. Any potential treatment should not only impede the growth of the tumor, but also modulate the immune system efficiently and inhibit the formation of secondary tumors. As presented in our study, FKB induced apoptosis in 4T1 tumors in vivo, as evidenced by the terminal deoxynucleotidyl transferase dUTP nick end labeling and hematoxylin and eosin staining of the tumor. FKB also regulated the immune system by increasing both helper and cytolytic T-cell and natural killer cell populations. In addition, FKB also enhanced the levels of interleukin 2 and interferon gamma but suppressed interleukin 1B. Apart from that, FKB was also found to inhibit metastasis, as evaluated by clonogenic assay, bone marrow smearing assay, real-time polymerase chain reaction, Western blot, and proteome profiler analysis. All in all, FKB may serve as a promising anticancer agent, especially in treating breast cancer.

SUBMITTER: Abu N 

PROVIDER: S-EPMC4358690 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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In vivo antitumor and antimetastatic effects of flavokawain B in 4T1 breast cancer cell-challenged mice.

Abu Nadiah N   Mohamed Nurul Elyani NE   Yeap Swee Keong SK   Lim Kian Lam KL   Akhtar M Nadeem MN   Zulfadli Aimi Jamil AJ   Kee Beh Boon BB   Abdullah Mohd Puad MP   Omar Abdul Rahman AR   Alitheen Noorjahan Banu NB  

Drug design, development and therapy 20150306


Flavokawain B (FKB) is a naturally occurring chalcone that can be isolated through the root extracts of the kava-kava plant (Piper methysticum). It can also be synthesized chemically to increase the yield. This compound is a promising candidate as a biological agent, as it is reported to be involved in a wide range of biological activities. Furthermore, FKB was reported to have antitumorigenic effects in several cancer cell lines in vitro. However, the in vivo antitumor effects of FKB have not b  ...[more]

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