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Ai Z, Liu S, Zhang J, Hu Y, Tang P, Cui L, Wang X, Zou H, Li X, Liu J, Nan B, Wang Y. Ginseng Glucosyl Oleanolate from Ginsenoside Ro, Exhibited Anti-Liver Cancer Activities via MAPKs and Gut Microbiota In Vitro/Vivo. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7845-7860. [PMID: 38501913 DOI: 10.1021/acs.jafc.3c08150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Ginseng is widely recognized for its diverse health benefits and serves as a functional food ingredient with global popularity. Ginsenosides with a broad range of pharmacological effects are the most crucial active ingredients in ginseng. This study aimed to derive ginseng glucosyl oleanolate (GGO) from ginsenoside Ro through enzymatic conversion and evaluate its impact on liver cancer in vitro and in vivo. GGO exhibited concentration-dependent HepG2 cell death and markedly inhibited cell proliferation via the MAPK signaling pathway. It also attenuated tumor growth in immunocompromised mice undergoing heterograft transplantation. Furthermore, GGO intervention caused a modulation of gut microbiota composition by specific bacterial populations, including Lactobacillus, Bacteroides, Clostridium, Enterococcus, etc., and ameliorated SCFA metabolism and colonic inflammation. These findings offer promising evidence for the potential use of GGO as a natural functional food ingredient in the prevention and treatment of cancer.
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Affiliation(s)
- Zhiyi Ai
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Sitong Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Junshun Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Yue Hu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Ping Tang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Linlin Cui
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Xinzhu Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Hongyang Zou
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Xia Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Jingsheng Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Bo Nan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
| | - Yuhua Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun 130118, China
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Yi Y, Pyun SH, Kim CY, Yun G, Kang E, Heo S, Ullah I, Lee SK. Eye Drop with Fas-Blocking Peptide Attenuates Age-Related Macular Degeneration. Cells 2024; 13:548. [PMID: 38534392 DOI: 10.3390/cells13060548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/10/2024] [Accepted: 03/19/2024] [Indexed: 03/28/2024] Open
Abstract
Age-related macular degeneration (AMD), characterized by macular retinal degeneration, poses a significant health concern due to the lack of effective treatments for prevalent dry AMD. The progression of AMD is closely linked to reactive oxygen species and Fas signaling, emphasizing the need for targeted interventions. In this study, we utilized a NaIO3-induced retinal degeneration mouse model to assess the efficacy of Fas-blocking peptide (FBP). Intravitreal administration of FBP successfully suppressed Fas-mediated inflammation and apoptosis, effectively arresting AMD progression in mice. We developed a 6R-conjugated FBP (6R-FBP) for eye drop administration. 6R-FBP, administered as an eye drop, reached the retinal region, attenuating degeneration by modulating the expression of inflammatory cytokines and blocking Fas-mediated apoptosis in rodent and rabbit NaIO3-induced retinal degeneration models to address practical concerns. Intravitreal FBP and 6R-FBP eye drops effectively reduced retinal degeneration and improved retinal thickness in rodent and rabbit models. This study highlights the therapeutic potential of FBP, particularly 6R-FBP as an eye drop, in inhibiting Fas-mediated cell signaling and protecting against retinal cell death and inflammation in dry AMD. Future investigations should explore the translational prospects of this approach in primates with eye structures comparable to those of humans.
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Affiliation(s)
- Yujong Yi
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Seon-Hong Pyun
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Chae-Yeon Kim
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Gyeongju Yun
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Eunhwa Kang
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Seoyoun Heo
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Irfan Ullah
- Department of Internal Medicine, Yale University, New Haven, CT 06520, USA
| | - Sang-Kyung Lee
- Department of Bioengineering and Institute of Nanoscience and Technology, Hanyang University, Seoul 04763, Republic of Korea
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Li Y, Zhu J, Yu Z, Zhai F, Li H, Jin X. Regulation of apoptosis by ubiquitination in liver cancer. Am J Cancer Res 2023; 13:4832-4871. [PMID: 37970337 PMCID: PMC10636691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/04/2023] [Indexed: 11/17/2023] Open
Abstract
Apoptosis is a programmed cell death process critical to cell development and tissue homeostasis in multicellular organisms. Defective apoptosis is a crucial step in the malignant transformation of cells, including hepatocellular carcinoma (HCC), where the apoptosis rate is higher than in normal liver tissues. Ubiquitination, a post-translational modification process, plays a precise role in regulating the formation and function of different death-signaling complexes, including those involved in apoptosis. Aberrant expression of E3 ubiquitin ligases (E3s) in liver cancer (LC), such as cellular inhibitors of apoptosis proteins (cIAPs), X chromosome-linked IAP (XIAP), and linear ubiquitin chain assembly complex (LUBAC), can contribute to HCC development by promoting cell survival and inhibiting apoptosis. Therefore, the review introduces the main apoptosis pathways and the regulation of proteins in these pathways by E3s and deubiquitinating enzymes (DUBs). It summarizes the abnormal expression of these regulators in HCC and their effects on cancer inhibition or promotion. Understanding the role of ubiquitination in apoptosis and LC can provide insights into potential targets for therapeutic intervention.
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Affiliation(s)
- Yuxuan Li
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of LiHuiLi Hospital, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Jie Zhu
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of LiHuiLi Hospital, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Zongdong Yu
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of LiHuiLi Hospital, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Fengguang Zhai
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Hong Li
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of LiHuiLi Hospital, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
| | - Xiaofeng Jin
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of LiHuiLi Hospital, Ningbo UniversityNingbo 315040, Zhejiang, P. R. China
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo UniversityNingbo 315211, Zhejiang, P. R. China
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Liang J, Tang X, Wan S, Guo J, Zhao P, Lu L. Structure Modification of Ginsenoside Rh 2 and Cytostatic Activity on Cancer Cells. ACS OMEGA 2023; 8:17245-17253. [PMID: 37214689 PMCID: PMC10193561 DOI: 10.1021/acsomega.3c01665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 04/18/2023] [Indexed: 05/24/2023]
Abstract
Ginsenoside Rh2 (Rh2) is one of the most effective anticancer components extracted from red ginseng, but the poor solubility limits its clinical application. In this paper, ginsenoside Rh2 was modified with maleimidocaproic acid or maleimidoundecanoic acid with functional groups at both ends. The structures of derivatives were determined by analysis of 1D and 2D nuclear magnetic resonance, Fourier transform infrared, and high-resolution mass spectrometry. Antiproliferative cell experiments showed that Rh2 modified with maleimidocaproic acid (C-Rh2) displayed higher cytostatic activity against different tumor cells compared with Rh2, while Rh2 modified with maleimidoundecanoic acid (U-Rh2) did not exhibit obvious cytotoxicity. The results suggest that the length of the spacer arm may play an important role in the cytostatic activity of the Rh2 derivatives.
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Liu H, An ZY, Li ZY, Yang LH, Zhang XL, Lv YT, Yin XJ, Quan LH, Kang JD. The ginsenoside Rh2 protects porcine oocytes against aging and oxidative stress by regulating SIRT1 expression and mitochondrial activity. Theriogenology 2023; 200:125-135. [PMID: 36805249 DOI: 10.1016/j.theriogenology.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/25/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
Post-ovulatory aging, a major problem faced by oocytes cultured in vitro, causes oxidative damage and mitochondrial dysfunction in oocytes. The ginsenoside Rh2 is one of the main monomeric components of ginseng, but its effects on porcine oocytes are unknown. In the present study, in vitro aging (IVA) and accelerated induction of aging using H2O2 resulted in DNA damage and an increased incidence of abnormal spindle formation in porcine oocytes. Rh2 supplementation increased the antioxidant capacity, reduced the occurrence of early apoptosis, and improved the development of in vitro fertilized blastocysts. It also rescued the abnormal aggregation of mitochondria and the decrease of the mitochondrial membrane potential under mitochondrial dysfunction. Meanwhile, Rh2 enhanced mRNA expression of the anti-aging and mitochondrial biogenesis-related genes silent information regulator of transcription 1 (SIRT1) and peroxisome proliferator-activated receptor coactivator 1-α (PGC-1α), and the antioxidant gene superoxide dismutase 1 (SOD1). The protection of porcine oocytes against aging and oxidative stress by Rh2 was confirmed using the SIRT1-specific inhibitor EX-527. Our results reveal that Rh2 upregulates SIRT1/PGC-1α to enhance mitochondrial function in porcine oocytes and improve their quality. Our study indicates that Rh2 can be used to prevent mitochondrial dysfunction in oocytes.
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Affiliation(s)
- Hongye Liu
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Zhi-Yong An
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Zhou-Yan Li
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Liu-Hui Yang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Xiu-Li Zhang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Yan-Tong Lv
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Xi-Jun Yin
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanji, 133002, China.
| | - Lin-Hu Quan
- College of Pharmacy, Yanbian University, Yanji, 133002, China.
| | - Jin-Dan Kang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanji, 133002, China.
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Natural and synthetic compounds for glioma treatment based on ROS-mediated strategy. Eur J Pharmacol 2023:175537. [PMID: 36871663 DOI: 10.1016/j.ejphar.2023.175537] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 01/08/2023] [Accepted: 01/23/2023] [Indexed: 03/06/2023]
Abstract
Glioma is the most frequent and most malignant tumor of the central nervous system (CNS),accounting for about 50% of all CNS tumor and approximately 80% of the malignant primary tumors in the CNS. Patients with glioma benefit from surgical resection, chemo- and radio-therapy. However these therapeutical strategies do not significantly improve the prognosis, nor increase survival rates owing to restricted drug contribution in the CNS and to the malignant characteristics of glioma. Reactive oxygen species (ROS) are important oxygen-containing molecules that regulate tumorigenesis and tumor progression. When ROS accumulates to cytotoxic levels, this can lead to anti-tumor effects. Multiple chemicals used as therapeutic strategies are based on this mechanism. They regulate intracellular ROS levels directly or indirectly, resulting in the inability of glioma cells to adapt to the damage induced by these substances. In the current review, we summarize the natural products, synthetic compounds and interdisciplinary techniques used for the treatment of glioma. Their possible molecular mechanisms are also presented. Some of them are also used as sensitizers: they modulate ROS levels to improve the outcomes of chemo- and radio-therapy. In addition, we summarize some new targets upstream or downstream of ROS to provide ideas for developing new anti-glioma therapies.
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The ways for ginsenoside Rh2 to fight against cancer: the molecular evidences in vitro and in vivo. J Ginseng Res 2023; 47:173-182. [PMID: 36926617 PMCID: PMC10014223 DOI: 10.1016/j.jgr.2022.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/30/2022] [Accepted: 09/27/2022] [Indexed: 11/06/2022] Open
Abstract
Cancer is a global public health issue that becomes the second primary cause of death globally. Considering the side effects of radio- or chemo-therapy, natural phytochemicals are promising alternatives for therapeutic interventions to alleviate the side effects and complications. Ginsenoside Rh2 (GRh2) is the main phytochemical extracted from Panax ginseng C.A. Meyer with anticancer activity. GRh2 could induce apoptosis and autophagy of cancer cells and inhibit proliferation, metastasis, invasion, and angiogenesis in vitro and in vivo. In addition, GRh2 could be used as an adjuvant to chemotherapeutics to enhance the anticancer effect and reverse the adverse effects. Here we summarized the understanding of the molecular mechanisms underlying the anticancer effects of GRh2 and proposed future directions to promote the development and application of GRh2.
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Death Receptor DR5 as a Proviral Factor for Viral Entry and Replication of Coronavirus PEDV. Viruses 2022; 14:v14122724. [PMID: 36560727 PMCID: PMC9783156 DOI: 10.3390/v14122724] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Porcine epidemic diarrhea virus (PEDV), a member of Coronaviridae, causes high mortality in newborn piglets, and has caused significant economic losses in the pig industry. PEDV infection can induce apoptosis, both caspase-dependent and caspase-independent, but the details of apoptosis remain clarified. This study investigated the effect of death receptor DR5 on PEDV infection and its relationship with PEDV-induced apoptosis. We found that DR5 knockdown reduced viral mRNA and protein levels of PEDV, and the viral titer decreased from 104.5 TCID50 to 103.4 TCID50 at 12 hpi. Overexpression of DR5 significantly increased the viral titer. Further studies showed that DR5 facilitates viral replication by regulating caspase-8-dependent apoptosis, and the knockdown of DR5 significantly reduced PEDV-induced apoptosis. Interestingly, we detected a biphasic upregulation expression of DR5 in both Vero cells and piglets in response to PEDV infection. We found that DR5 also facilitates viral entry of PEDV, especially, incubation with DR5 antibody can reduce the PEDV binding to Vero cells. Our study improves the understanding of the mechanism by which PEDV induces apoptosis and provides new insights into the biological function of DR5 in PEDV infection.
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In Vitro Anti-Colorectal Cancer and Anti-Microbial Effects of Pinus roxburghii and Nauplius graveolens Extracts Modulated by Apoptotic Gene Expression. SEPARATIONS 2022. [DOI: 10.3390/separations9120393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The use of phytochemicals is gaining increasing attention for treating cancer morbidity with minimal burden side effects. This study evaluated the cytotoxicity and antimicrobial activities of Pinus roxburghii branch (P. roxburghii) and Nauplius graveolens (N. graveolens) extracts in vitro. Cell viability was estimated using MTT assay. DNA fragmentation was determined to detect apoptotic pathway initiation. Mechanistically, the apoptotic pathway was tracked by estimating the relative mRNA expression levels of the Bcl-2, Bax, Cas3, NF-κB, and PI3k genes by qRT-PCR. P. roxburghii exhibited moderate antioxidant activity, while N. graveolens possessed highly significant (p < 0.05) scavenging activity against DPPH and ABTS assays. HPLC analysis demonstrated that catechin and chlorogenic acid were the predominant polyphenolic compounds in P. roxburghii and N. graveolens, respectively. The P. roxburghii and N. graveolens extracts inhibited the viability of HCT-116 cells with IC50 values of 30.6 µg mL−1 and 26.5 µg mL−1, respectively. DNA fragmentation analysis showed that the proposed extracts induced apoptosis in HCT-116 cells. Moreover, the IC50 doses of the selected extracts significantly (p < 0.05) upregulated Bax and cleaved Cas-3, and downregulated Bcl-2, NF-κB, and PI3k genes versus the GAPDH gene as a housekeeping gene in comparison to the control group. The Bax/Bcl-2 ratio was raised upon treatment. The mentioned extracts exhibited antimicrobial action against all tested bacteria and fungi. The highest antibacterial effect was recorded against E. coli, with inhibition zones of 12.0 and 11.2 mm for P. roxburghii and N. graveolens, respectively. On the other hand, the highest antifungal action was registered for Penicillium verrucosum and A. niger, with inhibition zones of 9.8 and 9.2 mm for the tested extracts, respectively. In conclusion, the outcomes of this study indicate that P. roxburghii and N. graveolens extracts could potentially be used as anticancer, antibacterial, and antifungal agents.
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Pinus roxburghii and Nauplius graveolens Extracts Elevate Apoptotic Gene Markers in C26 Colon Carcinoma Cells Induced in a BALB/c Mouse Model. SEPARATIONS 2022. [DOI: 10.3390/separations9100277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The present study aimed to evaluate the chemopreventive potential of Pinus roxburghii branch (P. roxburghii) and Nauplius graveolens (N. graveolens) extracts against human colorectal cancer (CRC) induced by C26 murine cells in a BALB/c mouse model. Real-time qRT-PCR was used to evaluate the apoptotic pathway by measuring the relative mRNA expression levels of the Bcl-2, Bax, Cas3, NF-κB, and PI3k genes. At the termination of the 30-day period, blood samples were collected to assay the biomarkers. The results showed a significant increase (p < 0.05) in the levels of TGF-β, CEA, CA19-9, malondialdehyde, ALT, AST, ALP, urea, and creatinine in the positive control compared to the negative control group. In addition, the glutathione reductase activity and total antioxidant activity were reduced in the positive control compared to the negative control. The biomarkers mentioned above were restored to almost normal levels after administering a safe dose (1/10) of a lethal dose of P. roxburghii and N. graveolens extracts. Administration of one-tenth of the LD50 of P. roxburghii and N. graveolens extracts caused a significant upregulation of the expression of Bax and Cas-3 and downregulation of the Bcl-2, NF-ĸB, and PI3k genes vs. the GAPDH gene as a housekeeping gene compared to the control group. Furthermore, the Bax/Bcl-2 ratio increased upon treatment. After administration of P. roxburghii and N. graveolens at a safe dose (1/10) of a lethal dose, the results showed improvement in both body weight gain and a significant decrease (p < 0.05) in tumor volume. Histopathological changes supported these improvements. Conclusively, the research outputs show that P. roxburghii and N. graveolens extracts can be utilized as potential chemopreventive agents for CRC treatment by stimulating cancer cell apoptosis and suppressing CRC survival and proliferation.
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Chen S, He Z, Xie W, Chen X, Lin Z, Ma J, Liu Z, Yang S, Wang Y. Ginsenoside Rh2 attenuates CDAHFD-induced liver fibrosis in mice by improving intestinal microbial composition and regulating LPS-mediated autophagy. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 101:154121. [PMID: 35489327 DOI: 10.1016/j.phymed.2022.154121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/26/2022] [Accepted: 04/17/2022] [Indexed: 05/17/2023]
Abstract
BACKGROUND Nowadays, liver diseases are threatening more and more people all over the world and one of the main causes is liver fibrosis. However, there is no effective way to reverse liver fibrosis. PURPOSE To investigate whether ginsenoside Rh2 (G-Rh2) can alleviate liver fibrosis and elucidate its underlying mechanism. METHODS In vivo and in vitro methods were adopted in this research. Choline-deficient, L-amino acid-defined, high-fat diet (CDAHFD) was used to feed mice to induce liver fibrosis, and HSC-T6 cells were used to establish an LPS-induced model of liver fibrosis. Through histopathological staining, hematoxylin-eosin (H&E) staining, western blot analysis, intestinal bacteria 16SrRNA sequencing, and other technical means, the research explored whether G-Rh2 possesses anti-fibrotic activity. RESULTS G-Rh2 could notably alleviate CDAHFD-induced liver fibrosis in mice. In particular, it could alleviate liver injury and reduce plasma lipopolysaccharide (LPS) levels. Additionally, G-Rh2 could repair intestinal injury as well as regulate intestinal microbial diversity and composition. HSC-T6 cells could be activated and autophagy could be induced further by LPS in vitro. After being treated with G-Rh2, autophagy was restrained and activation of hepatic stellate cells (HSCs) was controlled. Deeper research showed that G-Rh2 restrained the activation of HSCs via stimulating the AKT-mTOR signaling pathway, restraining autophagy. CONCLUSION The results of our studies clearly suggest that G-Rh2 repairs intestinal injury, improves intestinal microbial composition, reduces plasma LPS levels, and activates the AKT-mTOR signaling pathway to restrain LPS-mediated autophagy, thus playing an important role in anti-hepatic fibrosis. G-Rh2 was found to have the potential to effectively alleviate liver fibrosis.
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Affiliation(s)
- Siyu Chen
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China
| | - Ziwei He
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China
| | - Wei Xie
- School of Pharmaceutical Sciences, WenZhou Medical University, Wenzhou 325035, China
| | - Xuan Chen
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China
| | - Zhuofeng Lin
- School of Pharmaceutical Sciences, WenZhou Medical University, Wenzhou 325035, China
| | - Jisheng Ma
- School of Pharmaceutical Sciences, WenZhou Medical University, Wenzhou 325035, China
| | - Zhi Liu
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China
| | - Shihai Yang
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China; Laboratory for cultivation and breeding of medicinal plants of National Administrition of Traditional Chinese Medicine, JiLin Agricultural University, Changchun,130118, China.
| | - Yanfang Wang
- College of Chinese Medicinal Materials, JiLin Agricultural University, Changchun,130118, China; Laboratory for cultivation and breeding of medicinal plants of National Administrition of Traditional Chinese Medicine, JiLin Agricultural University, Changchun,130118, China.
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Liu Y, Yu S, Xing X, Qiao J, Yin Y, Wang J, Liu M, Zhang W. Ginsenoside Rh2 stimulates the production of mitochondrial reactive oxygen species and induces apoptosis of cervical cancer cells by inhibiting mitochondrial electron transfer chain complex. Mol Med Rep 2021; 24:873. [PMID: 34713297 PMCID: PMC8569524 DOI: 10.3892/mmr.2021.12513] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 10/07/2021] [Indexed: 11/29/2022] Open
Abstract
Ginsenoside Rh2 (G-Rh2) is a monomeric compound that extracted from ginseng and possesses anti-cancer activities both in vitro and in vivo. Previously, we reported that G-Rh2 induces apoptosis in HeLa cervical cancer cells and that the process was related to reactive oxygen species (ROS) accumulation and mitochondrial dysfunction. However, the upstream mechanisms of G-Rh2, along with its cellular targets, remain to be elucidated. In the present study, the Cell Counting Kit-8 assay, flow cytometry and Hoechst staining revealed that G-Rh2 significantly inhibited cell viability and induced apoptosis of cervical cancer cells. However, G-Rh2 was demonstrated to be non-toxic to End1/e6e7 cells. JC-1, rhodamine 123 staining, oxidative phosphorylation and glycolysis capacity assays demonstrated that G-Rh2 exposure caused an immediate decrease in mitochondrial transmembrane potential due to its inhibition of mitochondrial oxidative phosphorylation, as well as glycolysis, both of which reduced cellular ATP production. Western blotting and electron transport chain (ETC) activity assays revealed that G-Rh2 significantly inhibited the activity of ETC complexes I, III and V. Overexpression of ETC complex III partially significantly restored mitochondrial ROS and inhibited the apoptosis of cervical cancer cells induced by G-Rh2. The predicted results of binding energy in molecular docking, confirmed that G-Rh2 was highly likely to induce mitochondrial ROS production and promote cell apoptosis by targeting the ETC complex, especially for ETC complex III. Taken together, the present results revealed the potential anti-cervical cancer activity of G-Rh2 and provide direct evidence for the contribution of impaired ETC complex activity to cervical cancer cell death.
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Affiliation(s)
- Ying Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Shiting Yu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Xin Xing
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Juhui Qiao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Yiqiu Yin
- GeneScience Pharmaceuticals Co., Ltd., Changchun, Jilin 130012, P.R. China
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Wei Zhang
- Scientific Research Department, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
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Bian S, Liu M, Yang S, Lu S, Wang S, Bai X, Zhao D, Wang J. 20(S)-ginsenoside Rh2-induced apoptosis and protective autophagy in cervical cancer cells by inhibiting AMPK/mTOR pathway. Biosci Biotechnol Biochem 2021; 86:92-103. [PMID: 34718401 DOI: 10.1093/bbb/zbab189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 10/25/2021] [Indexed: 01/30/2023]
Abstract
20(S)-Ginsenoside Rh2 (GRh2) has various biological activities including anticancer effects. However, no reports have investigated the connection between autophagy and apoptosis in HeLa cells treated with 20(S)-GRh2. In this study, We found that 20(S)-GRh2 suppressed proliferation and induced apoptosis in HeLa cells by activating the intrinsic apoptotic pathway and causing mitochondrial dysfunction. 20(S)-GRh2 enhanced cell autophagy through promoted the phosphorylation of AMPK, depressed the phosphorylation of AKT and suppressed mTOR activity. Furthermore, treatment with the autophagy inhibitor 3-MA enhanced 20(S)-GRh2-induced apoptosis, while the autophagy inducer rapamycin promoted cell survival. Moreover, the apoptosis inhibitor Z-VAD-FMK significantly restrained the apoptosis and autophagy induced by 20(S)-GRh2 in HeLa cells. We found that 20(S)-ginsenoside Rh2-induced protective autophagy promotes apoptosis of cervical cancer cells by inhibiting AMPK/mTOR pathway.
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Affiliation(s)
- Shuai Bian
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Song Yang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Shuyan Lu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Siming Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Xueyuan Bai
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
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Wang S, Cai Y, Feng Q, Gao J, Teng B. Pseudoginsengenin DQ exerts antitumour activity against hypopharyngeal cancer cells by targeting the HIF-1α-GLUT1 pathway. Cancer Cell Int 2021; 21:382. [PMID: 34281558 PMCID: PMC8287670 DOI: 10.1186/s12935-021-02080-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/06/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Ginsenosides have been reported to possess a variety of biological activities. Synthesized from the ginsenoside protopanaxadiol (PPD), the octanone pseudoginsengenin DQ (PDQ) may have robust pharmacological effects as a secondary ginsenoside. Nevertheless, its antitumour activity and molecular mechanism against hypopharyngeal cancer cells remain unclear. METHODS Cell Counting Kit8 assays, cell cycle assays and cell apoptosis assays were conducted to assess FaDu cell proliferation, cell phase and apoptosis. The interactions between PDQ and HIF-1α were investigated by a molecular docking study. The expression of HIF-1α, GLUT1, and apoptosis-related proteins was detected by Western blotting, direct stochastic optical reconstruction microscopy (dSTORM) and qRT-PCR. A glucose uptake assay was used to assess the glucose uptake capacity of FaDu cells. RESULTS PDQ suppressed proliferation, reduced glucose uptake, and induced cell cycle arrest and apoptosis in FaDu cells. A molecular docking study demonstrated that PDQ could interact with the active site of HIF-1α. PDQ decreased the expression and mRNA levels of HIF-1α and its downstream factor GLUT1. Moreover, the dSTORM results showed that PDQ reduced GLUT1 expression on the cell membrane and inhibited GLUT1 clustering. CONCLUSION Our work showed that the antitumour effect of PDQ was related to the downregulation of the HIF-1α-GLUT1 pathway, suggesting that PDQ could be a potential therapeutic agent for hypopharyngeal cancer treatment.
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Affiliation(s)
- Sanchun Wang
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Yu Cai
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Qingjie Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Jing Gao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Bo Teng
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Hospital of Jilin University, Changchun, China.
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Kim HI, Lee I, Jung YS, Chon SJ, Yun BH, Seo SK. Korean red ginseng induces extrinsic and intrinsic apoptotic pathways in MCF-7 breast cancer cells and MCF-10A non-malignant breast cells. J Obstet Gynaecol Res 2021; 47:2758-2766. [PMID: 33987910 DOI: 10.1111/jog.14826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/24/2021] [Accepted: 04/30/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Among non-hormonal treatments, herbal products are frequently used by women. Korean red ginseng (KRG) is one of the popular herbal medicines. KRG could be one option for relieving menopausal symptoms. However, there are still concerns about the safety for long-term use. In order to be used for alleviating menopausal symptoms, the safety of KRG on breast must be ensured. The purpose of this study was to investigate the effects of KRG on breast cells. METHODS MCF-7 and MCF-10A cells were treated with different concentrations of KRG extracts for 48 h. Cell viability was evaluated by MTT assay, and apoptosis by flow cytometry. The expression of apoptosis-related proteins was determined by western blot analysis and estrogen receptor (ER) affinity by ER binding assay. RESULTS KRG extract inhibited growth and induced apoptosis of both MCF-7 and MCF-10A cells in dose-dependent manner. KRG extract increased the expression of pro-apoptotic proteins BAX, BAK, and BAD and decreased the expression of anti-apoptotic proteins Bcl-2 and Bcl-XL in both cells. The expressions of Fas and FasL were increased in lower doses, but decreased in higher doses in both cells. Activities of caspase-3, -8 and -9 increased in MCF-10A, while caspase-8 and -9 showed increase in MCF-7. Competition of KRG to E2 was significant in MCF-7 as KRG dose increased, whereas ER binding was hardly shown in MCF-10. CONCLUSION KRG induced apoptosis via extrinsic and intrinsic pathway in MCF-7 breast cancer cells and MCF-10A non-malignant cells. KRG may be safely used with regard to breast cancer risk in postmenopausal women to reduce the vasomotor symptoms.
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Affiliation(s)
- Hye In Kim
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Inha Lee
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yeon Soo Jung
- Department of Obstetrics and Gynecology, Wonju Severance Christian Hospital, Yonsei University College of Medicine, Wonju, Republic of Korea
| | - Seung Joo Chon
- Department of Obstetrics and Gynecology, Gil Hospital, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Bo Hyon Yun
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.,Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Seok Kyo Seo
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.,Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
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Bian S, Zhao Y, Li F, Lu S, Yang S, Liu M, Wang S, Zhao D, Zhang W, Wang J. Knockdown of p62/sequestosome enhances ginsenoside Rh2-induced apoptosis in cervical cancer HeLa cells with no effect on autophagy. Biosci Biotechnol Biochem 2021; 85:1097-1103. [PMID: 33784737 DOI: 10.1093/bbb/zbab019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/22/2021] [Indexed: 12/30/2022]
Abstract
p62/sequestosome is a multifunctional adaptor protein that participates in a wide variety of cellular processes. 20(S)-Ginsenoside Rh2 (G-Rh2) has various biological effects, including anticancer activity. We found that G-Rh2 can induce apoptosis and autophagy in HeLa cells. G-Rh2 significantly enhanced the transcriptional level of p62. A siRNA was constructed to knock down p62 and assess its effect on apoptosis induced by G-Rh2. p62 protein levels were successfully downregulated in cells transfected with the p62-specific siRNA. Silencing of p62 further decreased cell viability while also enhancing cell apoptosis, reactive oxygen species generation, the ratio of Bax to Bcl-2, and the cleavage of PARP. p62 knockdown decreased expression levels of Nrf2. Moreover, silencing of p62 had no significant effect on autophagy induced by G-Rh2. These results suggest that combining G-Rh2 treatment with inhibition of p62 may be a potential treatment strategy for cervical cancer.
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Affiliation(s)
- Shuai Bian
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Yue Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Fangyu Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Shuyan Lu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Song Yang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Siming Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Wei Zhang
- Office of Academic Research, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
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Lee YC, Wong WT, Li LH, Chu LJ, Menon MP, Ho CL, Chernikov OV, Lee SL, Hua KF. Ginsenoside M1 Induces Apoptosis and Inhibits the Migration of Human Oral Cancer Cells. Int J Mol Sci 2020; 21:ijms21249704. [PMID: 33352689 PMCID: PMC7766606 DOI: 10.3390/ijms21249704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 12/14/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) accounts for 5.8% of all malignancies in Taiwan, and the incidence of OSCC is on the rise. OSCC is also a common malignancy worldwide, and the five-year survival rate remains poor. Therefore, new and effective treatments are needed to control OSCC. In the present study, we prepared ginsenoside M1 (20-O-beta-d-glucopyranosyl-20(S)-protopanaxadiol), a major deglycosylated metabolite of ginsenoside, through the biotransformation of Panax notoginseng leaves by the fungus SP-LSL-002. We investigated the anti-OSCC activity and associated mechanisms of ginsenoside M1 in vitro and in vivo. We demonstrated that ginsenoside M1 dose-dependently inhibited the viability of human OSCC SAS and OEC-M1 cells. To gain further insight into the mode of action of ginsenoside M1, we demonstrated that ginsenoside M1 increased the expression levels of Bak, Bad, and p53 and induced apoptotic DNA breaks, G1 phase arrest, PI/Annexin V double-positive staining, and caspase-3/9 activation. In addition, we demonstrated that ginsenoside M1 dose-dependently inhibited the colony formation and migration ability of SAS and OEC-M1 cells and reduced the expression of metastasis-related protein vimentin. Furthermore, oral administration or subcutaneous injection of ginsenoside M1 significantly reduced tumor growth in SAS xenograft mice. These results indicate that ginsenoside M1 can be translated into a potential therapeutic against OSCC.
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Affiliation(s)
- Yu-Chieh Lee
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260007, Taiwan; (Y.-C.L.); (W.-T.W.); (M.P.M.)
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260007, Taiwan; (Y.-C.L.); (W.-T.W.); (M.P.M.)
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei 10844, Taiwan;
- National Defense Medical Center, Department of Pathology, Tri-Service General Hospital, Taipei 11490, Taiwan
| | - Lichieh Julie Chu
- Molecular Medicine Research Center, Chang Gung University, Taoyuan 33302, Taiwan;
- Liver Research Center, Chang Gung Memorial Hospital at Linkou, Gueishan, Taoyuan 33302, Taiwan
| | - Mridula P. Menon
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260007, Taiwan; (Y.-C.L.); (W.-T.W.); (M.P.M.)
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei 100051, Taiwan;
| | - Oleg V. Chernikov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry FEB RAS, 690022 Vladivostok, Russia;
| | - Sheau-Long Lee
- Wellhead Biological Technology Corporation, Taoyuan 325, Taiwan;
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260007, Taiwan; (Y.-C.L.); (W.-T.W.); (M.P.M.)
- National Defense Medical Center, Department of Pathology, Tri-Service General Hospital, Taipei 11490, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 406040, Taiwan
- Correspondence: ; Tel.: +886-3931-7626
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18
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Wang J, Bian S, Wang S, Yang S, Zhang W, Zhao D, Liu M, Bai X. Ginsenoside Rh2 represses autophagy to promote cervical cancer cell apoptosis during starvation. Chin Med 2020; 15:118. [PMID: 33292331 PMCID: PMC7661217 DOI: 10.1186/s13020-020-00396-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 10/19/2020] [Indexed: 12/18/2022] Open
Abstract
Background Cancer cells through autophagy-mediated recycling to meet the metabolic demands of growth and proliferation. The steroidal saponin 20(S)-ginsenoside Rh2 effectively inhibits the growth and survival of a variety of tumor cell lines and animal models, but the effects of Rh2 on autophagy remain elusive. Methods Cell viability was measured by CCK-8 (cell counting kit-8) assays. Apoptosis, ROS generation and mitochondrial membrane potential were analyzed by flow cytometry. Western blot analyses were used to determine changes in protein levels. Morphology of apoptotic cells and autophagosome accumulation were analyzed by DAPI staining and transmission electron microscopy. Autophagy induction was monitored by acidic vesicular organelle staining, EGFP-LC3 and mRFP-GFP-LC3 transfection. Atg7 siRNA and autophagy regulator was used to assess the effect of autophagy on apoptosis induced by G-Rh2. Results In this study, we found that low concentration G-Rh2 attenuated cancer cell growth and induced apoptosis upon serum-free starvation. Caspase 3 inhibitors failed to block apoptosis in G-Rh2-treated cells, indicating a caspase-independent mechanism. G-Rh2-treated cells in serum-deprived conditions showed impaired mitochondrial function, increased release and nuclear translocation of apoptosis-inducing factor, but little changes in the mitochondrial and cytoplasmic distributions of cytochrome C. Annexin A2 overexpression in 293T cells inhibited G-Rh2-induced apoptosis under serum-starved conditions. Meanwhile, G-Rh2 reduced lysosomal activity and inhibited the fusion of autophagosome and lysosome, leading to a block of autophagic flux. Knockdown Atg7 significantly inhibited autophagy and triggered AIF-induced apoptosis in serm free condition. The autophagy inducer significantly decreased the apoptosis levels of G-Rh2-treated cells in serum-free conditions. Conclusions Under nutrient deficient conditions, G-Rh2 represses autophagy in cervical cancer cells and enhanced apoptosis through an apoptosis-inducing factor mediated pathway.
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Affiliation(s)
- Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Shuai Bian
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Siming Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Song Yang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Wanying Zhang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China
| | - Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China.
| | - Xueyuan Bai
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Boshuo Road 1035, Changchun, 130117, Jilin, People's Republic of China.
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Liu Y, Wang J, Qiao J, Liu S, Wang S, Zhao D, Bai X, Liu M. Ginsenoside Rh2 inhibits HeLa cell energy metabolism and induces apoptosis by upregulating voltage‑dependent anion channel 1. Int J Mol Med 2020; 46:1695-1706. [PMID: 33000213 PMCID: PMC7521551 DOI: 10.3892/ijmm.2020.4725] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022] Open
Abstract
20(S)‑Ginsenoside Rh2 [20(S)‑GRh2], one of the main active components of Panax ginseng, induces apoptosis in a wide range of cancer cell types. The present study found that 20(S)‑GRh2 reduces mitochondrial membrane potential, decreases adenosine triphosphate generation and induces reactive oxygen species in HeLa cervical cancer cells. In addition, 20(S)‑GRh2 activated mitochondrion‑dependent apoptosis and inhibited both mitochondrial oxidative phosphorylation and glycolysis in HeLa cells. It was found that voltage‑dependent anion channel 1 (VDAC1) expression was significantly upregulated by 20(S)‑GRh2 treatment, while hexokinase 2 expression was downregulated and segregated from the mitochondria. Furthermore, 20(S)‑GRh2 promoted Bax transport from the cytoplasm to the mitochondria, and knockdown of VDAC1 inhibited Bax transport and apoptosis. These results suggest that VDAC1 is a novel target of 20(S)‑GRh2. The present study provides a better understanding of the mechanistic link between cervical cancer metabolism and growth control, and these results may facilitate the development of new treatments for cervical cancer.
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Affiliation(s)
- Ying Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Juhui Qiao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Shichao Liu
- Academic Affairs Office, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Siming Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Xueyuan Bai
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
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20
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Li X, Chu S, Lin M, Gao Y, Liu Y, Yang S, Zhou X, Zhang Y, Hu Y, Wang H, Chen N. Anticancer property of ginsenoside Rh2 from ginseng. Eur J Med Chem 2020; 203:112627. [PMID: 32702586 DOI: 10.1016/j.ejmech.2020.112627] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/26/2020] [Accepted: 06/26/2020] [Indexed: 12/20/2022]
Abstract
Ginseng has been used as a well-known traditional Chinese medicine since ancient times. Ginsenosides as its main active constituents possess a broad scope of pharmacological properties including stimulating immune function, enhancing cardiovascular health, increasing resistance to stress, improving memory and learning, developing social functioning and mental health in normal persons, and chemotherapy. Ginsenoside Rh2 (Rh2) is one of the major bioactive ginsenosides from Panax ginseng. When applied to cancer treatment, Rh2 not only exhibits the anti-proliferation, anti-invasion, anti-metastasis, induction of cell cycle arrest, promotion of differentiation, and reversal of multi-drug resistance activities against multiple tumor cells, but also alleviates the side effects after chemotherapy or radiotherapy. In the past decades, nearly 200 studies on Rh2 in the treatment of cancer have been published, however no specific reviews have been conducted by now. So the purpose of this review is to provide a systematic summary and analysis of the anticancer effects and the potential mechanisms of Rh2 extracted from Ginseng then give a future prospects about it. In the end of this paper the metabolism and derivatives of Rh2 also have been documented.
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Affiliation(s)
- Xun Li
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China; Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, Changsha, 410208, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Shifeng Chu
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Meiyu Lin
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China
| | - Yan Gao
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Yingjiao Liu
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China
| | - Songwei Yang
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China
| | - Xin Zhou
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Yani Zhang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, PR China; Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405, PR China
| | - Yaomei Hu
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China
| | - Huiqin Wang
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China
| | - Naihong Chen
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, PR China; Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, Changsha, 410208, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China; Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, PR China; Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405, PR China.
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21
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Zhu S, Liu X, Xue M, Li Y, Cai D, Wang S, Zhang L. 20( S)-ginsenoside Rh2 induces caspase-dependent promyelocytic leukemia-retinoic acid receptor A degradation in NB4 cells via Akt/Bax/caspase9 and TNF-α/caspase8 signaling cascades. J Ginseng Res 2020; 45:295-304. [PMID: 33841010 PMCID: PMC8020289 DOI: 10.1016/j.jgr.2020.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 03/20/2020] [Accepted: 05/07/2020] [Indexed: 12/03/2022] Open
Abstract
Background Acute promyelocytic leukemia (APL) is a hematopoietic malignancy driven by promyelocytic leukemia–retinoic acid receptor A (PML-RARA) fusion gene. The therapeutic drugs currently used to treat APL have adverse effects. 20(S)-ginsenoside Rh2 (GRh2) is an anticancer medicine with high effectiveness and low toxicity. However, the underlying anticancer mechanisms of GRh2-induced PML-RARA degradation and apoptosis in human APL cell line (NB4 cells) remain unclear. Methods Apoptosis-related indicators and PML-RARA expression were determined to investigate the effect of GRh2 on NB4 cells. Z-VAD-FMK, LY294002, and C 87, as inhibitors of caspase, and the phosphatidylinositol 3-kinase (PI3K) and tumor necrosis factor-α (TNF-α ) pathways were used to clarify the relationship between GRh2-induced apoptosis and PML-RARA degradation. Results GRh2 dose- and time-dependently decreased NB4 cell viability. GRh2-induced apoptosis, cell cycle arrest, and caspase3, caspase8, and caspase9 activation in NB4 cells after a 12-hour treatment. GRh2-induced apoptosis in NB4 cells was accompanied by massive production of reactive oxygen species, mitochondrial damage and upregulated Bax/Bcl-2 expression. GRh2 also induced PML/PML-RARA degradation, PML nuclear bodies formation, and activation of the downstream p53 pathway in NB4 cells. Z-VAD-FMK inhibited caspase activation and significantly reversed GRh2-induced apoptosis and PML-RARA degradation. GRh2 also upregulated TNF-α expression and inhibited Akt phosphorylation. LY294002, an inhibitor of the PI3K pathway, enhanced the antitumor effects of GRh2, and C 87, an inhibitor of the TNF-α pathway, reversed NB4 cell viability, and GRh2-mediated apoptosis in a caspase-8-dependent manner. Conclusion GRh2 induced caspase-dependent PML-RARA degradation and apoptosis in NB4 cells via the Akt/Bax/caspase9 and TNF-α/caspase8 pathways.
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Affiliation(s)
- Sirui Zhu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
| | - Xiaoli Liu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
| | - Mei Xue
- College of Basic Medical Sciences, Institute of TCM-related Comorbid Depression, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
| | - Yu Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
| | - Danhong Cai
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
| | - Shijun Wang
- Shandong co-innovation center of TCM formula, College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250035, PR China
| | - Liang Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China
- Corresponding author. Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, PR China.
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22
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Yang L, Zou H, Gao Y, Luo J, Xie X, Meng W, Zhou H, Tan Z. Insights into gastrointestinal microbiota-generated ginsenoside metabolites and their bioactivities. Drug Metab Rev 2020; 52:125-138. [PMID: 31984805 DOI: 10.1080/03602532.2020.1714645] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The gastrointestinal microbiota and host co-evolve into a complex 'super-organism,' and this relationship plays a vital role in many physiological processes, such as drug metabolism. Ginseng is an important medicinal resource and the main ingredients are ginsenosides, which are less polar, difficult to absorb, and have low bioavailability. However, studies have shown that the biological activity of ginsenosides such as compound K (CK), ginsenoside Rg3 (Rg3), ginsenoside Rh2 (Rh2), 20(S)-protopanaxatriol (20(S)-PPT), and 20(S)-protopanaxadiol (20(S)-PPD) is closely related to the gastrointestinal microbiota. In this paper, the metabolic pathway of gastrointestinal microbiota-generated ginsenosides and the main pharmacological effects of these metabolites are discussed. Furthermore, our study provides a new insight into the discovery of novel drugs. Specifically, in new drug screening process, candidates with low biological activity and bioavailability should not be excluded. Because their metabolites may exhibit good pharmacological effects due to the involvement of the gastrointestinal microbiota. In addition, in further research studies to develop probiotics, a combination of agents could exert greater efficacy than single agents. Moreover, differences in lifestyle and diet lead to differences in the gastrointestinal microbiota in the human body. Therefore, administration of the same drug dose to different individuals could elicit different therapeutic effects, owing to the involvement of the gastrointestinal microbiota. Thus, treatment accuracy could be achieved by detecting the gastrointestinal microbiota before drug treatment.HighlightsGastrointestinal microbiota plays a decisive role in bioactivities of ginsenosides.The metabolic pathway and main pharmacological effects of ginsenoside metabolites are discussed.It provides new insights into novel drug discovery and further research to find probiotic, combinations to exert greater efficacy.Differences in lifestyle and diet, varies the gastrointestinal microbiota in the human body. However, the same dose of a drug producing different therapeutic effects may involve gastrointestinal microbiota.
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Affiliation(s)
- Li Yang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Hecun Zou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China.,Institute of Life Sciences, Chongqing Medical University, Chongqing, Hunan, PR China
| | - Yongchao Gao
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Junjia Luo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Xiaonv Xie
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Wenhui Meng
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Honghao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
| | - Zhirong Tan
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, PR China.,Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha, PR China.,Engineering Research Center of Applied Technology of Pharmacogenomics, Ministry of Education, Changsha, PR China.,National Clinical Research Center for Geriatric Disorders, Changsha, Hunan, PR China
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23
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Sun LR, Zhou W, Zhang HM, Guo QS, Yang W, Li BJ, Sun ZH, Gao SH, Cui RJ. Modulation of Multiple Signaling Pathways of the Plant-Derived Natural Products in Cancer. Front Oncol 2019; 9:1153. [PMID: 31781485 PMCID: PMC6856297 DOI: 10.3389/fonc.2019.01153] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/16/2019] [Indexed: 12/24/2022] Open
Abstract
Natural compounds are highly effective anticancer chemotherapeutic agents, and the targets of plant-derived anticancer agents have been widely reported. In this review, we focus on the main signaling pathways of apoptosis, proliferation, invasion, and metastasis that are regulated by polyphenols, alkaloids, saponins, and polysaccharides. Alkaloids primarily affect apoptosis-related pathways, while polysaccharides primarily target pathways related to proliferation, invasion, and metastasis. Other compounds, such as flavonoids and saponins, affect all of these aspects. The association between compound structures and signaling pathways may play a critical role in drug discovery.
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Affiliation(s)
- Li-Rui Sun
- Department of Pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Wei Zhou
- Department of Pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Hong-Mei Zhang
- Department of Pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Qiu-Shi Guo
- Department of Pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Bing-Jin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Zhi-Hui Sun
- Department of Pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Shuo-Hui Gao
- Department of Gastrointestinal Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Ran-Ji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
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24
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Zhang J, Li W, Yuan Q, Zhou J, Zhang J, Cao Y, Fu G, Hu W. Transcriptome Analyses of the Anti-Proliferative Effects of 20(S)-Ginsenoside Rh2 on HepG2 Cells. Front Pharmacol 2019; 10:1331. [PMID: 31780945 PMCID: PMC6855211 DOI: 10.3389/fphar.2019.01331] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 10/18/2019] [Indexed: 12/21/2022] Open
Abstract
20(S)-ginsenoside Rh2 (Rh2), a well-known protopanaxadiol-type ginsenoside from Panax ginseng has especially gained attention for its anticancer activities on various types of human cancer cells. However, the molecular mechanism through which Rh2 promotes apoptosis in hepatocellular carcinoma (HePG2) cells is not known at the transcriptome level. Rh2 can specifically inhibit the proliferation of HePG2 in a dose- and time-dependent manner. Moreover, Rh2 can significantly increase the apoptosis which was related with an increase in protein expression levels of caspase-3, caspase-6, and poly (ADP-ribose) polymerase. Comparison of RNA-seq transcriptome profiles from control group and Rh2-treated group yielded a list of 2116 genes whose expression was significantly affected, which includes 971 up-regulated genes and 1145 down-regulated genes. The differentially expressed genes in p53 signaling pathway and DNA replication may have closely relationships to the cells apoptosis caused by Rh2 treatment. The results of qPCR validation showed that dynamic changes in mRNA, such as CDKN1A, CCND2, PMAIP1, GTSE1, and TP73.
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Affiliation(s)
- Ji Zhang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Weibo Li
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Qiaoyun Yuan
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Jing Zhou
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Jianmei Zhang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Yufeng Cao
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Guangbo Fu
- Department of Urology, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, China
| | - Weicheng Hu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, School of Life Sciences, Huaiyin Normal University, Huaian, China
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25
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Lin X, Jia Y, Dong X, Shen J, Jin Y, Li Y, Wang F, Anenberg E, Zhou J, Zhu J, Chen X, Xie Q, Xie Y. Diplatin, a Novel and Low-Toxicity Anti-Lung Cancer Platinum Complex, Activation of Cell Death in Tumors via a ROS/JNK/p53-Dependent Pathway, and a Low Rate of Acquired Treatment Resistance. Front Pharmacol 2019; 10:982. [PMID: 31572176 PMCID: PMC6749073 DOI: 10.3389/fphar.2019.00982] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/31/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Platinum-based drugs prevail as the main treatment of lung cancer; this is caused by their relative effectiveness despite known side effects, such as neurotoxicity. The risk reward of the treatment and side effects is confronted when dosage is considered and when resistance to treatment develops. Development of new compounds that improve effectiveness and safety profiles addresses this ongoing need in clinical practice. Objectives: The novel water-soluble platinum complex, diplatin, was synthesized, and its antitumor potency and toxicology profile were evaluated in murine xenograft tumor models and in lung cancer cell lines. Methods: The effects of diplatin, cisplatin (DDP), and carboplatin (CBP) on the viability of nine lung tumor cell lines and one normal human lung epithelial cell line were evaluated using the MTT assay. Therapeutic index was calculated as LD50/ED50 to identify and compare the ideal therapeutic windows of the above compounds. Diplatin’s antitumor effects were assessed in lung xenograft tumors of nude mice; molecular mechanisms of therapeutic effects were identified. Results: Diplatin had desirable IC50 compared to CBP in a variety of cultured tumor cells, notably lung tumor cells. In the mouse xenograft lung tumor, diplatin led to a substantially improved therapeutic index when compared to the effects of DDP and CBP. Importantly, diplatin inhibited the growth of DDP-resistant lung tumor cells. Diplatin’s mode of action was characterized to be through cell cycle arrest in the G2/M phase and induction of lung tumor apoptosis via ROS/JNK/p53-mediated pathways. Conclusion: Diplatin was observed to have antitumor effects in mice with both greater potency and safety compared with DDP and CBP. These observations indicate that diplatin is promising as a potential treatment in future clinical applications.
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Affiliation(s)
- Xixi Lin
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongliang Jia
- Zhejiang Respiratory Drugs Research Laboratory of Food and Drug Administration of China, Zhejiang University School of Medicine, Hangzhou, China.,Breath Smooth Biotech Hangzhou Co., LTD, Hangzhou, China
| | - Xinwei Dong
- Zhejiang Respiratory Drugs Research Laboratory of Food and Drug Administration of China, Zhejiang University School of Medicine, Hangzhou, China.,Breath Smooth Biotech Hangzhou Co., LTD, Hangzhou, China
| | - Jian Shen
- Zhejiang Respiratory Drugs Research Laboratory of Food and Drug Administration of China, Zhejiang University School of Medicine, Hangzhou, China.,Breath Smooth Biotech Hangzhou Co., LTD, Hangzhou, China
| | - Yachao Jin
- Breath Smooth Biotech Hangzhou Co., LTD, Hangzhou, China
| | - Yanyou Li
- Beijing Shuobai Pharmaceutical Co., LTD, Beijing, China
| | - Fang Wang
- Joinn Laboratories, BAD, Beijing, China
| | - Eitan Anenberg
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiancang Zhou
- Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianping Zhu
- Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoping Chen
- Beijing Shuobai Pharmaceutical Co., LTD, Beijing, China
| | - Qiangmin Xie
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Zhejiang Respiratory Drugs Research Laboratory of Food and Drug Administration of China, Zhejiang University School of Medicine, Hangzhou, China
| | - Yicheng Xie
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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26
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A Novel Tanshinone Analog Exerts Anti-Cancer Effects in Prostate Cancer by Inducing Cell Apoptosis, Arresting Cell Cycle at G2 Phase and Blocking Metastatic Ability. Int J Mol Sci 2019; 20:ijms20184459. [PMID: 31510010 PMCID: PMC6770861 DOI: 10.3390/ijms20184459] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/31/2019] [Accepted: 09/03/2019] [Indexed: 12/18/2022] Open
Abstract
Prostate cancer (PCa), an epithelial malignant tumor, is the second common cause of cancer death among males in western countries. Thus, the development of new strategies is urgently needed. Tanshinones isolated from Salvia miltiorrhiza and its synthetic analogs show various biological activities including anticancer effects. Among them, the tanshinone analog 2-((Glycine methyl ester)methyl)-naphtho (TC7) is the most effective, with better selectivity and lower toxicity. Therefore, in this work, the effect of TC7 against PCa was investigated through assessing the molecular mechanisms regulating the growth, metastasis, and invasion of PCa cells. Human PCa cells, PC3 and LNCAP, were used to evaluate TC7 mechanisms of action in vitro, while male BALB/c nude mice were used for in vivo experiments by subjecting each mouse to a subcutaneous injection of PC3 cells into the right flank to evaluate TC7 effects on tumor volume. Our in vitro results showed that TC7 inhibited cell proliferation by arresting the cell cycle at G2/M through the regulation of cyclin b1, p53, GADD45A, PLK1, and CDC2/cyclin b1. In addition, TC7 induced cell apoptosis by regulating apoptosis-associated genes such as p53, ERK1, BAX, p38, BCL-2, caspase-8, cleaved-caspase-8, PARP1, and the phosphorylation level of ERK1 and p38. Furthermore, it decreased DNA synthesis and inhibited the migration and invasion ability by regulating VEGF-1 and MMP-9 protein expression. Our in vivo evidence supports the conclusion that TC7 could be considered as a potential promising chemotherapeutic candidate in the treatment of PCa.
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27
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Induction of apoptosis by in vitro and in vivo plant extracts derived from Menyanthes trifoliata L. in human cancer cells. Cytotechnology 2019; 71:165-180. [PMID: 30610508 PMCID: PMC6368494 DOI: 10.1007/s10616-018-0274-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 10/25/2018] [Indexed: 12/14/2022] Open
Abstract
Menyanthes trifoliata L. has been used in traditional medicine for centuries. It exists in Asia, Europe, North America and in Morocco and is exploited as a remedy for anemia and lack of appetite. This plant shows many pharmacological properties, but its most interesting one is its anti-cancer potential. The present study examines the induction of apoptosis in grade IV glioma cells after treatment with the extracts from aerial part and root of M. trifoliata plants derived from in vitro (MtAPV and MtRV, respectively) and from soil (MtAPS and MtRS, respectively) and presents the first comparison of the biological effects of four different extracts of M. trifoliata against glioblastoma cells. The root extracts of M. trifoliata plants were found to exhibit cytotoxic effects against grade IV glioma cells, but not normal human astrocytes. HPLC analysis demonstrated the presence of various polyphenolic compounds, including sinapinic acid, ferulic acid, syringic acid and vanilic acid. Higher amount of pentacyclic triterpene (betulinic acid) was also found in MtRV extract. The growth inhibition of human grade IV glioma cells mediated by MtRV extract appears to be associated with apoptosis and G2/M phase cell cycle arrest, and altered expression of the pro- and anti-apoptotic genes (Bax, Bcl-2, Cas-3 and TP53) and proteins (Bax, Bcl-2, Cas-3 and p53), as well as decreased mitochondrial membrane potential. Our results indicate that M. trifoliata gives promising results as an anti-cancer agent for human glioblastoma cell lines. However, further research is necessary in view of its therapeutic use.
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28
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Jazvinšćak Jembrek M, Slade N, Hof PR, Šimić G. The interactions of p53 with tau and Aß as potential therapeutic targets for Alzheimer’s disease. Prog Neurobiol 2018; 168:104-127. [DOI: 10.1016/j.pneurobio.2018.05.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 03/04/2018] [Accepted: 05/01/2018] [Indexed: 12/24/2022]
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29
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Membrane cholesterol delays cellular apoptosis induced by ginsenoside Rh2, a steroid saponin. Toxicol Appl Pharmacol 2018; 352:59-67. [DOI: 10.1016/j.taap.2018.05.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 05/04/2018] [Accepted: 05/14/2018] [Indexed: 01/25/2023]
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30
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Duan Z, Deng J, Dong Y, Zhu C, Li W, Fan D. Anticancer effects of ginsenoside Rk3 on non-small cell lung cancer cells: in vitro and in vivo. Food Funct 2018; 8:3723-3736. [PMID: 28949353 DOI: 10.1039/c7fo00385d] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ginsenoside Rk3 (Rk3) is present in the roots of processed Panax notoginseng herbs and it exerts anti-platelet aggregation, pro-immunogenic and cardioprotective effects. However, little is known regarding the anticancer activities of this compound, especially in lung cancer. This study was designed to investigate the anticancer effects of Rk3 on non-small cell lung cancer (NSCLC) cells and in an H460 xenograft tumor model. Our results showed that Rk3 reduced cell viability, inhibited both cell proliferation and colony formation, and induced G1 phase cell cycle arrest by downregulating the expression of cyclin D1 and CDK4 and upregulating the expression of P21. Rk3 also induced apoptosis in a concentration-dependent manner in H460 and A549 cells by Annexin V/PI staining, TUNEL assay and JC-1 staining, resulting in a change in the nuclear morphology. Moreover, Rk3 induced the activation of caspase-8, -9, and -3, promoted changes in mitochondrial membrane potential, decreased the expression of Bcl-2, increased the expression of Bax, and caused the release of cytochrome c, which indicated that the apoptosis-inducing effects of Rk3 were triggered via death receptor-mediated mitochondria-dependent pathways. Furthermore, Rk3 significantly inhibited the growth of H460 xenograft tumors without an obvious effect on the body weight of the treated mice. Histological analysis indicated that Rk3 inhibited tumor growth by altering the proliferation and morphology of tumor cells. In addition, we confirmed that Rk3 inhibited angiogenesis via CD34 staining and chick embryo chorioallantoic membrane (CAM) assay in vivo. Taken together, our findings revealed not only the anticancer effect of Rk3 on NSCLC cells but also a new promising therapeutic agent for human NSCLC.
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Affiliation(s)
- Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
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31
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Zhang XP, Li KR, Yu Q, Yao MD, Ge HM, Li XM, Jiang Q, Yao J, Cao C. Ginsenoside Rh2 inhibits vascular endothelial growth factor-induced corneal neovascularization. FASEB J 2018; 32:3782-3791. [PMID: 29465315 DOI: 10.1096/fj.201701074rr] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
VEGF-induced neovascularization plays a pivotal role in corneal neovascularization (CoNV). The current study investigated the potential effect of ginsenoside Rh2 (GRh2) on neovascularization. In HUVECs, pretreatment with GRh2 largely attenuated VEGF-induced cell proliferation, migration, and vessel-like tube formation in vitro. At the molecular level, GRh2 disrupted VEGF-induced VEGF receptor 2 (VEGFR2)-Grb-2-associated binder 1 (Gab1) association in HUVECs, causing inactivation of downstream AKT and ERK signaling. Gab1 knockdown (by targeted short hairpin RNA) similarly inhibited HUVEC proliferation and migration. Notably, GRh2 was ineffective against VEGF in Gab1-silenced HUVECs. In a mouse cornea alkali burn model, GRh2 eyedrops inhibited alkali-induced neovascularization and inflammatory cell infiltrations in the cornea. Furthermore, alkali-induced corneal expression of mRNAs/long noncoding RNAs in cornea were largely attenuated by GRh2. Overall, GRh2 inhibits VEGF-induced angiogenic effect via inhibiting VEGFR2-Gab1 signaling in vitro. It also alleviates angiogenic and inflammatory responses in alkali burn-treated mouse corneas.-Zhang, X.-P., Li, K.-R., Yu, Q., Yao, M.-D., Ge, H.-M., Li, X.-M., Jiang, Q., Yao, J., Cao, C. Ginsenoside Rh2 inhibits vascular endothelial growth factor-induced corneal neovascularization.
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Affiliation(s)
- Xiao-Pei Zhang
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Ke-Ran Li
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Qing Yu
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Mu-Di Yao
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Hui-Min Ge
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Xiu-Miao Li
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Qin Jiang
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Jin Yao
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Cong Cao
- The Fourth School of Clinical Medicine, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Neuropsychiatric Diseases Research and Institute of Neuroscience, Soochow University, Suzhou, China; and.,North District, The Municipal Hospital of Suzhou, Suzhou, China
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32
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Li KF, Kang CM, Yin XF, Li HX, Chen ZY, Li Y, Zhang Q, Qiu YR. Ginsenoside Rh2 inhibits human A172 glioma cell proliferation and induces cell cycle arrest status via modulating Akt signaling pathway. Mol Med Rep 2017; 17:3062-3068. [PMID: 29207171 PMCID: PMC5783527 DOI: 10.3892/mmr.2017.8193] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/13/2017] [Indexed: 01/08/2023] Open
Abstract
Ginsenoside Rh2 (G-Rh2), the main bioactive component in American ginseng, is known to exert a wide variety of biological activities. Accumulating evidence suggests that G-Rh2 inhibits cell proliferation and induces apoptosis of tumor cells. However, the possible mechanism through which G-Rh2 exerts its action on malignant glioma cells have not been completely elucidated. The findings of the present study demonstrated that G-Rh2 decreased the viability of glioma cells in a dose- and time-dependent manner, and induced cell cycle arrest. G-Rh2-induced cell cycle arrest was accompanied by the downregulation of cyclin-dependent kinase 4 and Cyclin E. In addition, G-Rh2 markedly reduced the expression of total- RAC-α serine/threonine-protein kinase (Akt) and the levels of phosphorylated-Akt. These findings provide mechanistic details of how G-Rh2 acts on glioma cells and suggest that G-Rh2 may function as a potential anti-cancer drug for glioma treatment.
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Affiliation(s)
- Kai-Fei Li
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Chun-Min Kang
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Xiao-Feng Yin
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Hai-Xia Li
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Zhuo-Yu Chen
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yao Li
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Qiong Zhang
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yu-Rong Qiu
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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Zhou P, Tu L, Lin X, Hao X, Zheng Q, Zeng W, Zhang X, Zheng Y, Wang L, Li S. cfa-miR-143 Promotes Apoptosis via the p53 Pathway in Canine Influenza Virus H3N2-Infected Cells. Viruses 2017; 9:v9120360. [PMID: 29186842 PMCID: PMC5744135 DOI: 10.3390/v9120360] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 11/16/2017] [Accepted: 11/21/2017] [Indexed: 12/25/2022] Open
Abstract
MicroRNAs regulate multiple aspects of the host response to viral infection. This study verified that the expression of cfa-miR-143 was upregulated in vivo and in vitro by canine influenza virus (CIV) H3N2 infection. To understand the role of cfa-miR-143 in CIV-infected cells, the target gene of cfa-miR-143 was identified and assessed for correlations with proteins involved in the apoptosis pathway. A dual luciferase reporter assay showed that cfa-miR-143 targets insulin-like growth factor binding protein 5 (Igfbp5). Furthermore, a miRNA agomir and antagomir of cfa-miR-143 caused the downregulation and upregulation of Igfbp5, respectively, in CIV-infected madin-darby canine kidney (MDCK) cells. This study demonstrated that cfa-miR-143 stimulated p53 and caspase3 activation and induced apoptosis via the p53 pathway in CIV H3N2-infected cells. In conclusion, CIV H3N2 induced the upregulation of cfa-miR-143, which contributes to apoptosis via indirectly activating the p53-caspase3 pathway.
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Affiliation(s)
- Pei Zhou
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Liqing Tu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Xi Lin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Xiangqi Hao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Qingxu Zheng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Weijie Zeng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Xin Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Yun Zheng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Lifang Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
| | - Shoujun Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou 510642, China.
- Guangdong Provincial Pet Engineering Technology Research Center, Guangzhou 510642, China.
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Luo H, Liang H, Chen J, Xu Y, Chen Y, Xu L, Yun L, Liu J, Yang H, Liu L, Peng J, Liu Z, Tang L, Chen W, Tang H. Hydroquinone induces TK6 cell growth arrest and apoptosis through PARP-1/p53 regulatory pathway. ENVIRONMENTAL TOXICOLOGY 2017; 32:2163-2171. [PMID: 28444915 DOI: 10.1002/tox.22429] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 03/31/2017] [Accepted: 04/06/2017] [Indexed: 06/07/2023]
Abstract
Hydroquinone (HQ), one of the most important metabolites derived from benzene, induces cell cycle arrest and apoptosis. Poly(ADP-ribose) polymerase-1 (PARP-1) participates in various biological processes, including DNA repair and cell cycle regulation. To explore whether PARP-1 regulatory pathway mediated HQ-induced cell cycle arrest and apoptosis, we assessed the effect of PARP-1 suppression on induction of apoptosis analyzed by FACSCalibur flow cytometer in PARP-1 deficientTK6 cells (TK6-shPARP-1). We observed an increase in the fraction of cells in G1 phase by 7.6% and increased apoptosis by 4.5% in PARP-1-deficient TK6 cells (TK6-shPARP-1) compared to those negative control cells (TK6-shNC cells) in response to HQ treatment. Furthermore, HQ might activate the extrinsic pathways of apoptosis via up-regulation of Fas expression, followed by caspase-3 activation, apoptotic body, and sub G1 accumulation. Enhanced p53 expression was observed in TK6-shPARP-1 cells than in TK6-shNC cells after HQ treatment. In contrast, Fas expression was lower in TK6-shPARP-1 cells than in TK6-shNC cells. Therefore, we conclude that HQ may activate apoptotic signals via Fas up-regulation and p53-mediated apoptosis in TK6-shNC cells. The reduction of PARP-1 expression further intensified up-regulation of p53 in TK6-shPARP-1 cells, resulting in an increased G1→S phase cell arrest and apoptosis in TK6-shPARP-1 cells compared to TK6-shNC cells.
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Affiliation(s)
- Hao Luo
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Hairong Liang
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jiajia Chen
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yongchun Xu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yuting Chen
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Longmei Xu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Lin Yun
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jiaxian Liu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Hui Yang
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Linhua Liu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jianming Peng
- Huizhou Prevention and Treatment Centre for Occupational Disease, Huizhou, China
| | - Zhidong Liu
- Huizhou Prevention and Treatment Centre for Occupational Disease, Huizhou, China
| | - Lin Tang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wen Chen
- Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Huanwen Tang
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
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Do M, Kwak IH, Ahn JH, Lee IJ, Lee JH. Survivin protects fused cancer cells from cell death. BMB Rep 2017; 50:361-366. [PMID: 28193315 PMCID: PMC5584743 DOI: 10.5483/bmbrep.2017.50.7.185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Indexed: 01/06/2023] Open
Abstract
Tetraploidy, a potential precursor of cancer-associated aneuploidy, is produced either by cell fusion or failure of cytokinesis. In this study, low p53-expressing HeLa cells were used to address the fate of cancer cells after fusion. We found that massive cell death or growth arrest occurred a few days after fusion. Interestingly, cells with larger nuclei preferentially died after fusion, suggesting that a larger deviation of DNA content is a strong inducer of apoptosis. Notably, a fraction of cells escaped cell death. Also, the stability of survivin increased, and its localization changed preferentially to the cytosol in fused cells. Knockdown of survivin decreased the survival of fused cells, more than observed in unfused cells, showing increased dependency of fused cells on survivin. Collectively, after cancer cell fusion, some fused cells avoid the apoptotic crisis partly owing to survivin, and continue to proliferate, a process that contributes to human cancer progression.
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Affiliation(s)
- Mihyang Do
- Department of Biochemistry and Molecular Biology, and Genomic instability Research Center, Ajou University School of Medicine; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon 16499, Korea
| | - In-Hae Kwak
- Department of Biochemistry and Molecular Biology, Ajou University, Suwon 16499, Korea
| | - Ju-Hyun Ahn
- Department of Biochemistry and Molecular Biology, and Genomic instability Research Center, Ajou University School of Medicine; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon 16499, Korea
| | - In Jeong Lee
- Department of Biochemistry and Molecular Biology, Ajou University, Suwon 16499, Korea
| | - Jae-Ho Lee
- Department of Biochemistry and Molecular Biology, and Genomic instability Research Center, Ajou University School of Medicine; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon 16499, Korea
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Ge G, Yan Y, Cai H. Ginsenoside Rh2 Inhibited Proliferation by Inducing ROS Mediated ER Stress Dependent Apoptosis in Lung Cancer Cells. Biol Pharm Bull 2017; 40:2117-2124. [DOI: 10.1248/bpb.b17-00463] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Guanqun Ge
- Department of Breast Surgery, The First Affiliated Hospital of Xi’an Jiaotong University
| | - Yan Yan
- The Second Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University
| | - Hui Cai
- Department of Vascular Surgery, The First Affiliated Hospital of Xi’an Jiaotong University
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Chen F, Zheng SL, Hu JN, Sun Y, He YM, Peng H, Zhang B, McClements DJ, Deng ZY. Octyl Ester of Ginsenoside Rh2 Induces Apoptosis and G1 Cell Cycle Arrest in Human HepG2 Cells by Activating the Extrinsic Apoptotic Pathway and Modulating the Akt/p38 MAPK Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:7520-7529. [PMID: 27671480 DOI: 10.1021/acs.jafc.6b03519] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Ginsenoside Rh2 is a potential active metabolite of ginseng that has antitumor activity against a variety of tumor cells. Previously, we reported that Rh2-O, an octyl ester derivative of ginsenoside Rh2, had a higher anticancer activity than Rh2 through activating the intrinsic apoptotic pathway. In this study, we found that the extrinsic apoptotic pathway was also involved in Rh2-O-induced HepG2 cells apoptosis as evidenced by the up-regulation of Fas, FasL, TNFR1, and TNF-α as well as the cleavage of caspase 8. Moreover, flow cytometric analysis demonstrated that Rh2-O induced G1 cell cycle arrest in HepG2 cells. Rh2-O-induced G1 phase arrest was accompanied by the down-regulation of cyclin D3 and cyclin E and cyclin-dependent kinases (CDK) 4 and 6 and the up-regulation of p21WAF1/CIP1 and p27KIP1. In addition, Rh2-O down-regulated the phosphorylation of Akt, and its inhibitor LY294002 promoted Rh2-O-induced G1 phase arrest. Rh2-O treatment also activated p38 MAPK, JNK, and ERK expression. Inhibitors of p38 MAPK (SB203580), but not those of JNK (SP600125) or ERK (PB98095), promoted Rh2-O-induced G1 phase arrest in HepG2 cells. These results indicated that the disruption of Akt and p38 MAPK cascades played a pivotal role in Rh2-O-induced G1 phase arrest.
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Affiliation(s)
- Fang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Shi-Lian Zheng
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Jiang-Ning Hu
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Yong Sun
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Yue-Ming He
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Han Peng
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
| | - Bing Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
| | - David Julian McClements
- Department of Food Science, University of Massachusetts Amherst , Amherst, Massachusetts 01003, United States
| | - Ze-Yuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang, Jiangxi 330047, China
- College of Food Science, Nanchang University , Nanchang, Jiangxi 330047, China
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Sun H, Luo G, Chen D, Xiang Z. A Comprehensive and System Review for the Pharmacological Mechanism of Action of Rhein, an Active Anthraquinone Ingredient. Front Pharmacol 2016; 7:247. [PMID: 27582705 PMCID: PMC4987408 DOI: 10.3389/fphar.2016.00247] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 07/27/2016] [Indexed: 11/30/2022] Open
Abstract
Rhein is a major medicinal ingredient isolated from several traditional Chinese medicines, including Rheum palmatum L., Aloe barbadensis Miller, Cassia angustifolia Vahl., and Polygonum multiflorum Thunb. Rhein has various pharmacological activities, such as anti-inflammatory, antitumor, antioxidant, antifibrosis, hepatoprotective, and nephroprotective activities. Although more than 100 articles in PubMed are involved in the pharmacological mechanism of action of rhein, only a few focus on the relationship of crosstalk among multiple pharmacological mechanisms. The mechanism of rhein involves multiple pathways which contain close interactions. From the overall perspective, the pathways which are related to the targets of rhein, are initiated by the membrane receptor. Then, MAPK and PI3K-AKT parallel signaling pathways are activated, and several downstream pathways are affected, thereby eventually regulating cell cycle and apoptosis. The therapeutic effect of rhein, as a multitarget molecule, is the synergistic and comprehensive result of the involvement of multiple pathways rather than the blocking or activation of a single signaling pathway. We review the pharmacological mechanisms of action of rhein by consulting literature published in the last 100 years in PubMed. We then summarize these pharmacological mechanisms from a comprehensive, interactive, and crosstalk perspective. In general, the molecular mechanism of action of drug must be understood from a systematic and holistic perspective, which can provide a theoretical basis for precise treatment and rational drug use.
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Affiliation(s)
- Hao Sun
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Guangwen Luo
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Dahui Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Zheng Xiang
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
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Lin Y, Li Y, Song ZG, Zhu H, Jin YH. The interaction of serum albumin with ginsenoside Rh2 resulted in the downregulation of ginsenoside Rh2 cytotoxicity. J Ginseng Res 2016; 41:330-338. [PMID: 28701874 PMCID: PMC5489766 DOI: 10.1016/j.jgr.2016.06.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 06/21/2016] [Accepted: 06/23/2016] [Indexed: 12/22/2022] Open
Abstract
Background Ginsenoside Rh2 (G-Rh2) is a ginseng saponin that is widely investigated because of its remarkable antitumor activity. However, the molecular mechanism by which (20S) G-Rh2 triggers its functions and how target animals avoid its cytotoxic action remains largely unknown. Methods Phage display was used to screen the human targets of (20S) G-Rh2. Fluorescence spectroscopy and UV-visible absorption spectroscopy were used to confirm the interaction of candidate target proteins and (20S) G-Rh2. Molecular docking was utilized to calculate the estimated free energy of binding and to structurally visualize their interactions. MTT assay and immunoblotting were used to assess whether human serum albumin (HSA), bovine serum albumin (BSA), and bovine serum can reduce the cytotoxic activity of (20S) G-Rh2 in HepG2 cells. Results In phage display, (20S) G-Rh2-beads and (20R) G-Rh2-beads were combined with numerous kinds of phages, and a total of 111 different human complementary DNAs (cDNA) were identified, including HSA which had the highest rate. The binding constant and number of binding site in the interaction between (20S)-Rh2 and HSA were 3.5 × 105 M−1 and 1, and those in the interaction between (20S) G-Rh2 and BSA were 1.4 × 105 M−1 and 1. The quenching mechanism is static quenching. HSA, BSA and bovine serum significantly reduced the proapoptotic effect of (20S) G-Rh2. Conclusion HSA and BSA interact with (20S) G-Rh2. Serum inhibited the activity of (20S) G-Rh2 mainly due to the interaction between (20S) G-Rh2 and serum albumin (SA). This study proposes that HSA may enhance (20S) G-Rh2 water solubility, and thus might be used as nanoparticles in the (20S) G-Rh2 delivery process.
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Affiliation(s)
- Yingjia Lin
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, Jilin, China
| | - Yang Li
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, Jilin, China
| | - Zhi-Guang Song
- College of Chemistry, Jilin University, Changchun, China
| | - Hongyan Zhu
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, Jilin, China
| | - Ying-Hua Jin
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, Jilin, China
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Anticancer Activities of Protopanaxadiol- and Protopanaxatriol-Type Ginsenosides and Their Metabolites. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:5738694. [PMID: 27446225 PMCID: PMC4944051 DOI: 10.1155/2016/5738694] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 04/27/2016] [Indexed: 01/30/2023]
Abstract
Recently, most anticancer drugs are derived from natural resources such as marine, microbial, and botanical sources, but the low success rates of chemotherapies and the development of multidrug resistance emphasize the importance of discovering new compounds that are both safe and effective against cancer. Ginseng types, including Asian ginseng, American ginseng, and notoginseng, have been used traditionally to treat various diseases, due to their immunomodulatory, neuroprotective, antioxidative, and antitumor activities. Accumulating reports have shown that ginsenosides, the major active component of ginseng, were helpful for tumor treatment. 20(S)-Protopanaxadiol (PDS) and 20(S)-protopanaxatriol saponins (PTS) are two characteristic types of triterpenoid saponins in ginsenosides. PTS holds capacity to interfere with crucial metabolism, while PDS could affect cell cycle distribution and prodeath signaling. This review aims at providing an overview of PTS and PDS, as well as their metabolites, regarding their different anticancer effects with the proposal that these compounds might be potent additions to the current chemotherapeutic strategy against cancer.
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Chen Y, Liu ZH, Xia J, Li XP, Li KQ, Xiong W, Li J, Chen DL. 20(S)-ginsenoside Rh2 inhibits the proliferation and induces the apoptosis of KG-1a cells through the Wnt/β-catenin signaling pathway. Oncol Rep 2016; 36:137-46. [PMID: 27121661 DOI: 10.3892/or.2016.4774] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 01/07/2016] [Indexed: 11/06/2022] Open
Abstract
Previous research has shown that total saponins of Panax ginseng (TSPG) and other ginsenoside monomers inhibit the proliferation of leukemia cells. However, the effect has not been compared among them. Cell viability was determined by Cell Counting Kit-8 assay, and ultra-structural characteristics were observed under transmission electron microscopy. Cell cycle distribution and apoptosis were determined by flow cytometry (FCM). Real-time fluorescence quantitative‑PCR, western blotting and immunofluorescence were used to measure the expression of β-catenin, TCF4, cyclin D1 and NF-κBp65. β-catenin/TCF4 target gene transcription were observed by ChIP-PCR assay. We found that 20(S)-ginsenoside Rh2 [(S)Rh2] inhibited the proliferation of KG-1a cells more efficiently than the other monomers. Moreover, (S)Rh2 arrested KG-1a cells in the G0/G1 phase and induced apoptosis. In addition, the levels of β-catenin, TCF4, cyclin D1 mRNA and protein were decreased. The ChIP-PCR showed that (S)Rh2 downregulated the transcription of β-catenin/TCF4 target genes, such as cyclin D1 and c-myc. These results indicated that (S)Rh2 induced cell cycle arrest and apoptosis through the Wnt/β-catenin signaling pathway, demonstrating its potential as a chemotherapeutic agent for leukemia therapy.
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Affiliation(s)
- Yi Chen
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ze-Hong Liu
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Jing Xia
- Department of Human Anatomy, Chongqing Medical and Health School, Chongqing 408000, P.R. China
| | - Xiao-Peng Li
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ke-Qiong Li
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wei Xiong
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Jing Li
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Di-Long Chen
- Laboratory of Stem Cell and Tissue Engineering, Department of Histology and Embryology, Chongqing Medical University, Chongqing 400016, P.R. China
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Ghorai A, Sarma A, Bhattacharyya NP, Ghosh U. Carbon ion beam triggers both caspase-dependent and caspase-independent pathway of apoptosis in HeLa and status of PARP-1 controls intensity of apoptosis. Apoptosis 2016; 20:562-80. [PMID: 25670618 DOI: 10.1007/s10495-015-1107-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
High linear energy transfer (LET) carbon ion beam (CIB) is becoming very promising tool for various cancer treatments and is more efficient than conventional low LET gamma or X-rays to kill malignant or radio-resistant cells, although detailed mechanism of cell death is still unknown. Poly (ADP-ribose) polymerase-1 (PARP-1) is a key player in DNA repair and its inhibitors are well-known as radio-sensitizer for low LET radiation. The objective of our study was to find mechanism(s) of induction of apoptosis by CIB and role of PARP-1 in CIB-induced apoptosis. We observed overall higher apoptosis in PARP-1 knocked down HeLa cells (HsiI) compared with negative control H-vector cells after irradiation with CIB (0-4 Gy). CIB activated both intrinsic and extrinsic pathways of apoptosis via caspase-9 and caspase-8 activation respectively, followed by caspase-3 activation, apoptotic body, nucleosomal ladder formation and sub-G1 accumulation. Apoptosis inducing factor translocation into nucleus in H-vector but not in HsiI cells after CIB irradiation contributed caspase-independent apoptosis. Higher p53 expression was observed in HsiI cells compared with H-vector after exposure with CIB. Notably, we observed about 37 % fall of mitochondrial membrane potential, activation of caspase-9 and caspase-3 and mild activation of caspase-8 without any detectable apoptotic body formation in un-irradiated HsiI cells. We conclude that reduction of PARP-1 expression activates apoptotic signals via intrinsic and extrinsic pathways in un-irradiated cells. CIB irradiation further intensified both intrinsic and extrinsic pathways of apoptosis synergistically along with up-regulation of p53 in HsiI cells resulting overall higher apoptosis in HsiI than H-vector.
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Affiliation(s)
- Atanu Ghorai
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani, 741235, India
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Kim SJ, Kim AK. Anti-breast cancer activity of Fine Black ginseng (Panax ginseng Meyer) and ginsenoside Rg5. J Ginseng Res 2015; 39:125-34. [PMID: 26045685 PMCID: PMC4452536 DOI: 10.1016/j.jgr.2014.09.003] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 09/21/2014] [Accepted: 09/22/2014] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Black ginseng (Ginseng Radix nigra, BG) refers to the ginseng steamed for nine times and fine roots (hairy roots) of that is called fine black ginseng (FBG). It is known that the content of saponin of FBG is higher than that of BG. Therefore, in this study, we examined antitumor effects against MCF-7 breast cancer cells to target the FBG extract and its main component, ginsenoside Rg5 (Rg5). METHODS Action mechanism was determined by MTT assay, cell cycle assay and western blot analysis. RESULTS The results from MTT assay showed that MCF-7 cell proliferation was inhibited by Rg5 treatment for 24, 48 and 72 h in a dose-dependent manner. Rg5 at different concentrations (0, 25, 50 and 100 μM), induced cell cycle arrest in G0/G1 phase through regulation of cell cycle-related proteins in MCF-7 cells. As shown in the results from western blot analysis, Rg5 increased expression of p53, p21(WAF1/CIP1) and p15(INK4B) and decreased expression of Cyclin D1, Cyclin E2 and CDK4. Expression of apoptosis-related proteins including Bax, PARP and Cytochrome c was also regulated by Rg5. These results indicate that Rg5 stimulated cell apoptosis and cell cycle arrest at G0/G1 phase via regulation of cell cycle-associated proteins in MCF-7 cells. CONCLUSION Rg5 promotes breast cancer cell apoptosis in a multi-path manner with higher potency compared to 20(S)-ginsenoside Rg3 (Rg3) in MCF-7 (HER2-/ER+) and MDA-MB-453 (HER2+/ER-) human breast cancer cell lines, and this suggests that Rg5 might be an effective natural new material in improving breast cancer.
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Affiliation(s)
| | - An Keun Kim
- College of Pharmacy, Sookmyung Women's University, Seoul, Korea
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44
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Joo EJ, Chun J, Ha YW, Ko HJ, Xu MY, Kim YS. Novel roles of ginsenoside Rg3 in apoptosis through downregulation of epidermal growth factor receptor. Chem Biol Interact 2015; 233:25-34. [PMID: 25824408 DOI: 10.1016/j.cbi.2015.03.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 02/26/2015] [Accepted: 03/18/2015] [Indexed: 12/17/2022]
Abstract
Ginsenoside Rg3 (Rg3), a pharmacologically active compound from red ginseng, has been reported to induce cell death in various cancer cell lines, although the specific mechanisms have not been well established. In the present study, Rg3 treatment to A549 human lung adenocarcinoma led to cell death via not only apoptotic pathways but also the downregulation of epidermal growth factor receptor (EGFR). We used cross-linker and cell enzyme-linked immunosorbent assays to show that Rg3 inhibited EGFR dimerization by EGF stimulation and caused EGFR internalization from the cell membrane. Among several important phosphorylation sites in cytoplasmic EGFR, Rg3 increased the phosphorylation of tyrosine 1045 (pY1045) and serine 1046/1047 (pS1046/1047) for EGFR degradation and coincidently, attenuated pY1173 and pY1068 for mitogen-activated protein kinase activity. These effects were amplified under EGF-pretreated Rg3 stimulation. In vivo experiments showed that the average volume of the tumors treated with 30 mg/kg of Rg3 was significantly decreased by 40% compared with the control. Through immunohistochemistry, we detected the fragmentation of DNA, the accumulation of Rg3, and the reduction of EGFR expression in the Rg3-treated groups. Here, we provide the first description of the roles of Rg3 in the reduction of cell surface EGFR, the attenuation of EGFR signal transduction, and the eventual activation of apoptosis in A549 human lung adenocarcinoma.
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Affiliation(s)
- Eun Ji Joo
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea; Division of Hematology/Oncology and Leukemia Research Program, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA
| | - Jaemoo Chun
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Young Wan Ha
- Samsung Advanced Institute of Technology (SAIT)/Samsung Electronics Co. Ltd, Suwon 443-803, Republic of Korea
| | - Hye Jin Ko
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Mei-Ying Xu
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Yeong Shik Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea.
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45
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Nakanishi A, Minami A, Kitagishi Y, Ogura Y, Matsuda S. BRCA1 and p53 tumor suppressor molecules in Alzheimer's disease. Int J Mol Sci 2015; 16:2879-92. [PMID: 25636033 PMCID: PMC4346871 DOI: 10.3390/ijms16022879] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 11/20/2014] [Accepted: 01/20/2015] [Indexed: 12/16/2022] Open
Abstract
Tumor suppressor molecules play a pivotal role in regulating DNA repair, cell proliferation, and cell death, which are also important processes in the pathogenesis of Alzheimer’s disease. Alzheimer’s disease is the most common neurodegenerative disorder, however, the precise molecular events that control the death of neuronal cells are unclear. Recently, a fundamental role for tumor suppressor molecules in regulating neurons in Alzheimer’s disease was highlighted. Generally, onset of neurodegenerative diseases including Alzheimer’s disease may be delayed with use of dietary neuro-protective agents against oxidative stresses. Studies suggest that dietary antioxidants are also beneficial for brain health in reducing disease-risk and in slowing down disease-progression. We summarize research advances in dietary regulation for the treatment of Alzheimer’s disease with a focus on its modulatory roles in BRCA1 and p53 tumor suppressor expression, in support of further therapeutic research in this field.
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Affiliation(s)
- Atsuko Nakanishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Akari Minami
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Yasuko Kitagishi
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Yasunori Ogura
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
| | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women's University, Kita-Uoya Nishimachi, Nara 630-8506, Japan.
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Szychowski KA, Sitarz AM, Wojtowicz AK. Triclosan induces Fas receptor-dependent apoptosis in mouse neocortical neurons in vitro. Neuroscience 2014; 284:192-201. [PMID: 25313001 DOI: 10.1016/j.neuroscience.2014.10.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 09/30/2014] [Accepted: 10/01/2014] [Indexed: 12/22/2022]
Abstract
Triclosan (TCS) is a commonly used antimicrobial agent in personal care and sanitizing products, as well as in household items. Numerous studies have demonstrated the presence of TCS in various human tissues. Several studies have reported the accumulation of TCS in fish and human brain tissue. The aim of the present study was to investigate the effect of TCS on apoptosis in mouse neocortical neurons after 7 days of culture in vitro following 3, 6 and 24 h of exposure. To explore the mechanism underlying the effects of TCS in neurons, we studied the activation and protein expression of the Fas receptor (FasR) and caspase-8, caspase-9 and caspase-3, as well as DNA fragmentation in TCS-treated cells. Cultures of neocortical neurons were prepared from Swiss mouse embryos on day 15/16 of gestation. The cells were cultured in phenol red-free Neurobasal medium with B27 and glutamine. The cultures were treated with concentrations of TCS ranging from 1 nM to 100 μM for 3, 6 and 24 h. The level of lactate dehydrogenase (LDH) was measured in the culture medium to exclude the cytotoxic concentrations. The cytotoxic effects were only observed when the highest concentrations of TCS were used (50 and 100 μM). To study apoptosis, the activities of caspase-8, caspase-9 and caspase-3 were measured, and DNA fragmentation was evaluated. Our results are the first time to demonstrate that TCS can induce an apoptotic process in neocortical neurons in vitro. The data demonstrated that TCS caused caspase-3 activation, DNA fragmentation and apoptotic body formation. Non-cytotoxic concentrations of TCS activated the extrinsic apoptotic signaling pathway, which is dependent on FasR and caspase-8 activation. However, it is also possible that TCS may activate the intrinsic apoptotic pathway after long-term exposure. Therefore, further studies on the mechanism underlying the effects of TCS on the nervous system are needed.
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Affiliation(s)
- K A Szychowski
- Department of Animal Biotechnology, Animal Sciences Faculty, University of Agriculture, Redzina 1B, 30-248 Krakow, Poland.
| | - A M Sitarz
- Department of Animal Biotechnology, Animal Sciences Faculty, University of Agriculture, Redzina 1B, 30-248 Krakow, Poland.
| | - A K Wojtowicz
- Department of Animal Biotechnology, Animal Sciences Faculty, University of Agriculture, Redzina 1B, 30-248 Krakow, Poland.
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Li K, Wu D, Chen X, Zhang T, Zhang L, Yi Y, Miao Z, Jin N, Bi X, Wang H, Xu J, Wang D. Current and emerging biomarkers of cell death in human disease. BIOMED RESEARCH INTERNATIONAL 2014; 2014:690103. [PMID: 24949464 PMCID: PMC4052120 DOI: 10.1155/2014/690103] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 04/17/2014] [Indexed: 01/18/2023]
Abstract
Cell death is a critical biological process, serving many important functions within multicellular organisms. Aberrations in cell death can contribute to the pathology of human diseases. Significant progress made in the research area enormously speeds up our understanding of the biochemical and molecular mechanisms of cell death. According to the distinct morphological and biochemical characteristics, cell death can be triggered by extrinsic or intrinsic apoptosis, regulated necrosis, autophagic cell death, and mitotic catastrophe. Nevertheless, the realization that all of these efforts seek to pursue an effective treatment and cure for the disease has spurred a significant interest in the development of promising biomarkers of cell death to early diagnose disease and accurately predict disease progression and outcome. In this review, we summarize recent knowledge about cell death, survey current and emerging biomarkers of cell death, and discuss the relationship with human diseases.
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Affiliation(s)
- Kongning Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Deng Wu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Xi Chen
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Ting Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Lu Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Ying Yi
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Zhengqiang Miao
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Nana Jin
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Xiaoman Bi
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Hongwei Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
| | - Jianzhen Xu
- College of Bioengineering, Henan University of Technology, Zhengzhou 450001, China
| | - Dong Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin 150081, China
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