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Reisenauer KN, Aroujo J, Tao Y, Ranganathan S, Romo D, Taube JH. Therapeutic vulnerabilities of cancer stem cells and effects of natural products. Nat Prod Rep 2023; 40:1432-1456. [PMID: 37103550 PMCID: PMC10524555 DOI: 10.1039/d3np00002h] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Covering: 1995 to 2022Tumors possess both genetic and phenotypic heterogeneity leading to the survival of subpopulations post-treatment. The term cancer stem cells (CSCs) describes a subpopulation that is resistant to many types of chemotherapy and which also possess enhanced migratory and anchorage-independent growth capabilities. These cells are enriched in residual tumor material post-treatment and can serve as the seed for future tumor re-growth, at both primary and metastatic sites. Elimination of CSCs is a key goal in enhancing cancer treatment and may be aided by application of natural products in conjunction with conventional treatments. In this review, we highlight molecular features of CSCs and discuss synthesis, structure-activity relationships, derivatization, and effects of six natural products with anti-CSC activity.
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Affiliation(s)
| | - Jaquelin Aroujo
- Department of Chemistry and Biochemistry, Baylor Univesrity, Waco, TX, USA
| | - Yongfeng Tao
- Department of Chemistry and Biochemistry, Baylor Univesrity, Waco, TX, USA
| | | | - Daniel Romo
- Department of Chemistry and Biochemistry, Baylor Univesrity, Waco, TX, USA
| | - Joseph H Taube
- Department of Biology, Baylor University, Waco, TX, USA.
- Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, USA
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2
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Kang Y, He W, Ren C, Qiao J, Guo Q, Hu J, Xu H, Jiang X, Wang L. Advances in targeted therapy mainly based on signal pathways for nasopharyngeal carcinoma. Signal Transduct Target Ther 2020; 5:245. [PMID: 33093441 PMCID: PMC7582884 DOI: 10.1038/s41392-020-00340-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 09/12/2020] [Accepted: 09/16/2020] [Indexed: 02/07/2023] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a malignant epithelial carcinoma of the head and neck region which mainly distributes in southern China and Southeast Asia and has a crucial association with the Epstein-Barr virus. Based on epidemiological data, both incidence and mortality of NPC have significantly declined in recent decades grounded on the improvement of living standard and medical level in an endemic region, in particular, with the clinical use of individualized chemotherapy and intensity-modulated radiotherapy (IMRT) which profoundly contributes to the cure rate of NPC patients. To tackle the challenges including local recurrence and distant metastasis in the current NPC treatment, we discussed the implication of using targeted therapy against critical molecules in various signal pathways, and how they synergize with chemoradiotherapy in the NPC treatment. Combination treatment including targeted therapy and IMRT or concurrent chemoradiotherapy is presumably to be future options, which may reduce radiation or chemotherapy toxicities and open new avenues for the improvement of the expected functional outcome for patients with advanced NPC.
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Affiliation(s)
- Yuanbo Kang
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Weihan He
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Caiping Ren
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China.
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
| | - Jincheng Qiao
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Qiuyong Guo
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Jingyu Hu
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Hongjuan Xu
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Xingjun Jiang
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
| | - Lei Wang
- Department of Neurosurgery, Cancer Research Institute, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
- Cancer Research Institute, Collaborative Innovation Center for Cancer Medicine, School of Basic Medical Science, Central South University, 410008, Changsha, Hunan, China.
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
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Shakeri A, Zirak MR, Wallace Hayes A, Reiter R, Karimi G. Curcumin and its analogues protect from endoplasmic reticulum stress: Mechanisms and pathways. Pharmacol Res 2019; 146:104335. [DOI: 10.1016/j.phrs.2019.104335] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 02/07/2023]
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Chainoglou E, Hadjipavlou-Litina D. Curcumin analogues and derivatives with anti-proliferative and anti-inflammatory activity: Structural characteristics and molecular targets. Expert Opin Drug Discov 2019; 14:821-842. [DOI: 10.1080/17460441.2019.1614560] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Eirini Chainoglou
- Department of Pharmaceutical Chemistry, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Dimitra Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Cole DW, Svider PF, Shenouda KG, Lee PB, Yoo NG, McLeod TM, Mutchnick SA, Yoo GH, Kaufman RJ, Callaghan MU, Fribley AM. Targeting the unfolded protein response in head and neck and oral cavity cancers. Exp Cell Res 2019; 382:111386. [PMID: 31075256 DOI: 10.1016/j.yexcr.2019.04.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 03/25/2019] [Accepted: 04/05/2019] [Indexed: 12/18/2022]
Abstract
Many FDA-approved anti-cancer therapies, targeted toward a wide array of molecular targets and signaling networks, have been demonstrated to activate the unfolded protein response (UPR). Despite a critical role for UPR signaling in the apoptotic execution of cancer cells by many of these compounds, the authors are currently unaware of any instance whereby a cancer drug was developed with the UPR as the intended target. With the essential role of the UPR as a driving force in the genesis and maintenance of the malignant phenotype, a great number of pre-clinical studies have surged into the medical literature describing the ability of dozens of compounds to induce UPR signaling in a myriad of cancer models. The focus of the current work is to review the literature and explore the role of the UPR as a mediator of chemotherapy-induced cell death in squamous cell carcinomas of the head and neck (HNSCC) and oral cavity (OCSCC), with an emphasis on preclinical studies.
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Affiliation(s)
- Daniel W Cole
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Peter F Svider
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Kerolos G Shenouda
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Paul B Lee
- Oakland University William Beaumont School of Medicine, Rochester Hills, Michigan, USA
| | - Nicholas G Yoo
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Thomas M McLeod
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - Sean A Mutchnick
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA
| | - George H Yoo
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA; Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA
| | - Randal J Kaufman
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Michael U Callaghan
- Carman and Ann Adams Department of Pediatrics, Wayne State University School of Medicine, Detroit, MI, USA; Children's Hospital of Michigan, Detroit Medical Center, Detroit, MI, USA
| | - Andrew M Fribley
- Department of Otolaryngology - Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI, USA; Carman and Ann Adams Department of Pediatrics, Wayne State University School of Medicine, Detroit, MI, USA; Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA; Children's Hospital of Michigan, Detroit Medical Center, Detroit, MI, USA; Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA.
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6
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Hu S, Xu Y, Meng L, Huang L, Sun H. Curcumin inhibits proliferation and promotes apoptosis of breast cancer cells. Exp Ther Med 2018; 16:1266-1272. [PMID: 30116377 PMCID: PMC6090267 DOI: 10.3892/etm.2018.6345] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/29/2018] [Indexed: 12/15/2022] Open
Abstract
Curcumin is a natural compound that appears to be promising for clinical application, as it has been shown in in vitro and in vivo studies to exert antitumor effects by modulating multiple signaling cellular pathways. In the present study, the antitumor effects of curcumin and its mechanism of action were investigated in cultured breast cancer cells. The MTT assay was used to determine the effect of curcumin on breast cancer cell proliferation, flow cytometry was used to detect alterations of the cell cycle, and western blot analysis was used to determine the expression of signaling molecules involved in the cell cycle, proliferation and apoptosis. The results revealed that curcumin significantly inhibited the proliferation of various breast cancer cell lines, such as T47D, MCF7, MDA-MB-231 and MDA-MB-468, with an IC50 at the micromolar level, indicating the potent antitumor activity of curcumin. In-depth study of its mechanism of action revealed that curcumin induced cell cycle arrest at the G2/M phase and decreased the expression of the CDC25 and CDC2 proteins, while increasing the expression of P21. In addition, curcumin inhibited the phosphorylation of protein kinase B (Akt)/mammalian target of rapamycin (mTOR), decreased B-cell lymphoma 2 (BCL2) and promoted BCL-2-associated X protein (BAX) and cleavage of caspase 3, subsequently inducing apoptosis of breast cancer cells. In conclusion, curcumin inhibited the proliferation of breast cancer cells and induced G2/M phase cell cycle arrest and apoptosis, which may be associated with the decrease of CDC25 and CDC2 and increase of P21 protein levels, as well as inhibition of the phosphorylation of Akt/mTOR and induction of the mitochondrial apoptotic pathway. The findings of the present study may provide a basis for the further study of curcumin in the treatment of breast cancer.
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Affiliation(s)
- Shan Hu
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Yingchun Xu
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Liwei Meng
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - Liming Huang
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
| | - He Sun
- Clinical Laboratory Center, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, P.R. China
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Ramayanti O, Brinkkemper M, Verkuijlen SAWM, Ritmaleni L, Go ML, Middeldorp JM. Curcuminoids as EBV Lytic Activators for Adjuvant Treatment in EBV-Positive Carcinomas. Cancers (Basel) 2018; 10:cancers10040089. [PMID: 29565326 PMCID: PMC5923344 DOI: 10.3390/cancers10040089] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/19/2018] [Accepted: 03/21/2018] [Indexed: 12/24/2022] Open
Abstract
Epstein-Barr virus (EBV) persists in nasopharyngeal (NPC) and gastric carcinomas (EBVaGC) in a tightly latent form. Cytolytic virus activation (CLVA) therapy employs gemcitabine and valproic acid (GCb+VPA) to reactivate latent EBV into the lytic phase and antiviral valganciclovir to enhance cell death and prevent virus production. CLVA treatment has proven safe in phase-I/II trials with promising clinical responses in patients with recurrent NPC. However, a major challenge is to maximize EBV lytic reactivation by CLVA. Curcumin, a dietary spice used in Asian countries, is known for its antitumor property and therapeutic potential. Novel curcuminoids that were developed to increase efficacy and bioavailability may serve as oral CLVA adjuvants. We investigated the potential of curcumin and its analogs (curcuminoids) to trigger the EBV lytic cycle in EBVaGC and NPC cells. EBV-reactivating effects were measured by immunoblot and immunofluorescence using monoclonal antibodies specific for EBV lytic proteins. Two of the hit compounds (41, EF24) with high lytic inducing activity were further studied for their synergistic or antagonistic effects when combined with GCb+VPA and analyzed by cytotoxicity and mRNA profiling assays to measure the EBV reactivation. Curcuminoid as a single agent significantly induced EBV reactivation in recombinant GC and NPC lines. The drug effects were dose- and time-dependent. Micromolar concentration of curcuminoid EF24 enhanced the CLVA effect in all cell systems except SNU719, a naturally infected EBVaGC cell that carries a more tightly latent viral genome. These findings indicated that EF24 has potential as EBV lytic activator and may serve as an adjuvant in CLVA treatment.
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Affiliation(s)
- Octavia Ramayanti
- Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands.
| | - Mitch Brinkkemper
- Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands.
| | | | - Leni Ritmaleni
- Laboratory of Medicinal Chemistry, Gadjah Mada University, Yogyakarta 55281, Indonesia.
| | - Mei Lin Go
- Department of Pharmacy, National University of Singapore, Singapore 117543, Singapore.
| | - Jaap M Middeldorp
- Department of Pathology, VU University Medical Center, 1081HV Amsterdam, The Netherlands.
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3-Bromopyruvate enhances TRAIL-induced apoptosis in human nasopharyngeal carcinoma cells through CHOP-dependent upregulation of TRAIL-R2. Anticancer Drugs 2017; 28:739-749. [PMID: 28471808 DOI: 10.1097/cad.0000000000000502] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Past reports have shown that the sensitivity of cancer cells to TRAIL-induced apoptosis is related to their expression of TRAIL-death receptors on the cell surface. However, the level of TRAIL-death receptors expression on cancer cells is always low. Our previous research showed that nasopharyngeal carcinoma (NPC) cells have a poor sensitivity to low doses of TRAIL. Here, we evaluated combined treatment with the energy inhibitor 3-bromopyruvate (3BP) and TRAIL as a method to produce an increased apoptotic response in NPC cells. The results showed that 3BP and TRAIL together produced higher cytotoxicity and increased TRAIL-R2 expression in NPC cells compared with the effects of either 3BP or TRAIL alone. These findings led us to hypothesize that 3BP may sensitize NPC cells to TRAIL. 3BP is a metabolic blocker that inhibits hexokinase II activity, suppresses ATP production, and induces endoplasmic reticulum (ER) stress. Our results showed that 3BP also activated AMP-activated protein kinase, which we found to play an important role in the induction of ER stress by 3BP. Furthermore, the induction of TRAIL-R2 expression and the sensitization of the NPC cells to TRAIL by 3BP were reduced when we inhibited the expression of CHOP. Taken together, our results showed that a low dose of 3BP sensitized NPC cells to TRAIL-induced apoptosis by the upregulation of CHOP, which was mediated by the activation of AMP-activated protein kinase and ER stress. The results showed that 3BP is a promising candidate agent for enhancing the therapeutic response to TRAIL in NPC.
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