NDLI: Gynura procumbens modulates the microtubules integrity and enhances distinct mechanism on doxorubicin and 5-flurouracil-induced breast cancer cell death

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Gynura procumbens modulates the microtubules integrity and enhances distinct mechanism on doxorubicin and 5-flurouracil-induced breast cancer cell death

Antioxidant and anticancer effect of methanolic extract of Aerva lanata Linn. against Ehrlich Ascites Carcinoma (EAC) in vivo

Anticataract activity of rhamnocitrin isolated from Bauhinia variegata stem bark

Oriental Pharmacy and Experimental Medicine : Volume 12, Issue 2, June 2012

Oriental Pharmacy and Experimental Medicine : Volume 12, Issue 1, March 2012

Oriental Pharmacy and Experimental Medicine : Volume 11

Gynura procumbens modulates the microtubules integrity and enhances distinct mechanism on doxorubicin and 5-flurouracil-induced breast cancer cell death

Content Provider	Springer Nature Link
Author	Nurulita, Nunuk Aries Meiyanto, Edy Matsuda, Eishou Kawaichi, Masashi
Copyright Year	2012
Abstract	Recent studies both in vitro and in vivo of G. procumbens exhibits chemopreventive properties for tumor inhibition on several types of cancer. Our study was carried out to observe the anticancer property of ethyl acetate fraction of G. procumbens leaves (FEG) on breast cancer cells as well as the co-chemotherapeutic potential, and to investigate its molecular mechanisms. 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was used to measure the growth inhibitory effect of FEG, doxorubicin (DOX), and 5-fluorouracil (5-FU) and their combination. Flowcytometry, 4′,6-diamidino-2-phenylindole (DAPI) staining, and immunobloting were used to explore the mechanism of cell cycle arrest and apoptosis. FEG inhibited cell proliferation, induced G$_{1}$ phase arrest and apoptosis. The inhibitory effect of FEG was enhanced when combined with Dox and 5-FU. The apoptosis induction was related to the increase of c-PARP expression after combination treatment of FEG and Dox or 5-FU on MCF-7 cells. However, treatment of DOX, 5-FU, and FEG on T47D cells, resulting no significance DNA fragmentation and nuclei condensation evidance. Only combination treatment of 5-FU + FEG showed c-PARP expression in T47D cells. In T47D cells, The FEG treatment also caused the decrease of microtubule expression as shown by Western blotting assay. The decreasing level of microtubul expression might be caused by protein aggregation, as shown by immunostaning using α-tubulin antibody. All these results suggest that FEG potentiates the DOX and 5-FU efficacy on MCF-7 and T47D cells. FEG induces T47D cell death through different mechanism than MCF-7 that proposed to be mitotic catastrophe. The FEG may have specific targeted on microtubule integrity modulation leading to the cell cycle arrest and proliferation inhibition. Further FEG could be developed as a co-chemotherapeutic agent for reducing side effect and have specific molecular target for breast cancer.
Starting Page	205
Ending Page	218
Page Count	14
File Format	PDF
ISSN	15982386
Journal	Oriental Pharmacy and Experimental Medicine
Volume Number	12
Issue Number	3
e-ISSN	22111069
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-02-23
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Gynura procumbens Microtubules Apoptosis Breast cancer MCF-7 T47D Combination effect Pharmacy Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Complementary and Alternative Medicine

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