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Baloghová J, Michalková R, Baranová Z, Mojžišová G, Fedáková Z, Mojžiš J. Spice-Derived Phenolic Compounds: Potential for Skin Cancer Prevention and Therapy. Molecules 2023; 28:6251. [PMID: 37687080 PMCID: PMC10489044 DOI: 10.3390/molecules28176251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/20/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Skin cancer is a condition characterized by the abnormal growth of skin cells, primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Different types of skin cancer include melanoma, basal cell carcinoma, and squamous cell carcinoma. Despite the advancements in targeted therapies, there is still a need for a safer, highly efficient approach to preventing and treating cutaneous malignancies. Spices have a rich history dating back thousands of years and are renowned for their ability to enhance the flavor, taste, and color of food. Derived from various plant parts like seeds, fruits, bark, roots, or flowers, spices are important culinary ingredients. However, their value extends beyond the culinary realm. Some spices contain bioactive compounds, including phenolic compounds, which are known for their significant biological effects. These compounds have attracted attention in scientific research due to their potential health benefits, including their possible role in disease prevention and treatment, such as cancer. This review focuses on examining the potential of spice-derived phenolic compounds as preventive or therapeutic agents for managing skin cancers. By compiling and analyzing the available knowledge, this review aims to provide insights that can guide future research in identifying new anticancer phytochemicals and uncovering additional mechanisms for combating skin cancer.
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Affiliation(s)
- Janette Baloghová
- Department of Dermatovenerology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (J.B.); (Z.B.); (Z.F.)
| | - Radka Michalková
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Kosice, Slovakia;
| | - Zuzana Baranová
- Department of Dermatovenerology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (J.B.); (Z.B.); (Z.F.)
| | - Gabriela Mojžišová
- Center of Clinical and Preclinical Research MEDIPARK, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Kosice, Slovakia;
| | - Zuzana Fedáková
- Department of Dermatovenerology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (J.B.); (Z.B.); (Z.F.)
| | - Ján Mojžiš
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Kosice, Slovakia;
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Li L, Lu S, Ma C. Anti-proliferative and pro-apoptotic effects of curcumin on skin cutaneous melanoma: Bioinformatics analysis and in vitro experimental studies. Front Genet 2022; 13:983943. [PMID: 36171883 PMCID: PMC9510772 DOI: 10.3389/fgene.2022.983943] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/23/2022] [Indexed: 11/26/2022] Open
Abstract
Objective: To reveal the potential mechanisms of curcumin for the treatment of skin cutaneous melanoma (SKCM) and its identify novel prognostic biomarkers. Methods: We searched the Cancer Genome Atlas and Traditional Chinese Medicine Systems Pharmacology database for the data on SKCM and curcumin. We conducted data analysis using R and online tools. The propagation and migration of SKCM cells were assessed with CCK-8 and scratch wound assays, respectively. We assessed apoptosis by TUNEL assay and western blot. Results: The survival analysis revealed that the mRNA expressions of DPYD, DPYS, LYN, PRKCQ, and TLR1 were significantly related to a favorable overall survival in SKCM patients. Additionally, the mRNA expression level of DPYD was associated with GPI, LYN, PCSK9, PRKCQ, and TLR1 mRNAs. GSEA results showed that the prognostic hub genes were augmented with ultraviolet, apoptosis, and metastasis. Curcumin expressed proliferation and migration of SK-MEL-1 cells (p < 0.05), and induced apoptosis (p < 0.05) significantly. Conclusion: Curcumin may have potential therapeutic effects in SKCM by inhibiting cell proliferation and migration and inducing apoptosis by regulating oxygen-related signaling pathways. The hub genes might be identified as novel biomarkers for SKCM.
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Affiliation(s)
- Long Li
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuwen Lu
- Department of Ophthalmology, the First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Chao Ma
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Chao Ma,
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Curcumin Increased the Sensitivity of Non-Small-Cell Lung Cancer to Cisplatin through the Endoplasmic Reticulum Stress Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6886366. [PMID: 35754693 PMCID: PMC9232348 DOI: 10.1155/2022/6886366] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 04/10/2022] [Accepted: 05/23/2022] [Indexed: 01/05/2023]
Abstract
Objective Non-small-cell lung cancer (NSCLC) is one of the most lethal cancers. Although cisplatin-based chemotherapies have been regarded as a promising treatment approach, cisplatin resistance still remains one of the major clinical challenges. Curcumin, a naturally occurring polyphenol, has been proved to increase chemotherapeutic efficiency of NSCLC cells. However, the role of curcumin in cisplatin-resistant NSCLC cells has been rarely investigated. This study aims to investigate whether curcumin enhances cisplatin sensitivity of human NSCLC cells and its underlying mechanisms. Method A549/DDP and H1299/DDP cells were treated by DDP or/and curcumin before cell viability, and apoptosis were determined by using a CCK-8 assay and flow cytometer. The expressions of apoptosis and ER stress-related proteins, including cleaved caspase-3, cleaved PARP, CHOP, GRP78, XBP-1, ATF6, and caspase-4, were measured by the qPCR and western blotting. After cotreatment by DDP and curcumin, A549/DDP and H1299/DDP cells were further treated by the ER stress inhibitor, salubrinal (20 μm), after which the cell apoptosis and viability were detected. Result Treatment by DDP and curcumin can substantially decrease cell viability, while can increase the cell apoptosis rate, elevate mRNA and protein expressions of apoptosis and ER stress-related proteins, compared with cells treated by DDP or curcumin alone. Salubrinal treatment can counteract the suppressive effect of DDP and curcumin on cell viability and decrease the cell apoptosis of A549/DDP and H1299/DDP cells. Conclusion Curcumin can increase the sensitivity of NSCLC to cisplatin through an ER stress pathway and thus can be served as one of the molecular targets for overcoming the cisplatin resistance.
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Rezghi Barez S, Movahedian Attar A, Aghaei M. MicroRNA-30c-2-3p regulates ER stress and induces apoptosis in ovarian cancer cells underlying ER stress. EXCLI JOURNAL 2021; 20:922-934. [PMID: 34121978 PMCID: PMC8192875 DOI: 10.17179/excli2020-2970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 05/19/2021] [Indexed: 12/11/2022]
Abstract
Ovarian cancer is a common gynecologic cancer with a high rate of recurrence, drug resistance, and mortality, thereby necessitating novel molecular target therapies. Ovarian cancer as a solid tumor has constantly been challenged by endoplasmic reticulum stress (ERS). Currently, XBP1 as a therapeutic target in solid tumors plays a key role in adaptation to ERS. Single-stranded RNAs usually modulate posttranscriptional of the gene activity. miR-30c-2-3p has been demonstrated to inhibit the expression of XBP1. Here, we evaluated the effect of miR-30c-2-3p on controlling XBP1-CHOP-BIM and its apoptotic effects on ovarian cancer cell lines during ERS. The ER stress was assessed using Thioflavin T staining in OVCAR3 and SKOV3 cells. The expression of ER stress genes was measured by QRT-PCR. The protein levels of XBP1(s), BIP/GRP78, CHOP, and BIM were evaluated using Western blotting. Cell viability and apoptosis in STF-083010 and Tunicamycin (Tm) co-treated cells were evaluated using BrdU, MTT, Annexin V-FITC/PI staining, and caspase-12 and -3 activities assays. We found that miR-30c-2-3p significantly decreased the folding capacity of ER, leading to ERS intensification (P<0.05). Additionally, the Western blot analysis showed the modest up-regulation of CHOP and BIM with pro-apoptotic activity and down-regulation of the BIP protein. Furthermore, mimic miR-30c-2-3p transfection not only decreased cell proliferation but also induced cell death in ovarian cancer cells in response to the Tm-treatment. Our results indicated that the apoptotic pathway was induced possibly through activation of caspases -12 and -3 and elevation of the Bax/Bcl-2 ratio. Overall, the present paper adds new evidence to the possible treatment of miR-30c-2-3p via impeding the XBP1 transcription in ovarian cancer cells provoking apoptotic pathways by XBP1/CHOP/BIM mediators.
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Affiliation(s)
- Shekufe Rezghi Barez
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ahmad Movahedian Attar
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahmoud Aghaei
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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Nesari A, Mansouri MT, Khodayar MJ, Rezaei M. Preadministration of high-dose alpha-tocopherol improved memory impairment and mitochondrial dysfunction induced by proteasome inhibition in rat hippocampus. Nutr Neurosci 2021; 24:119-129. [PMID: 31084475 DOI: 10.1080/1028415x.2019.1601888] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Objective: The ubiquitin-proteasome system plays a key role in memory consolidation. Proteasome inhibition and free radical-induced neural damage were implicated in neurodegenerative states. In this study, it was tested whether alpha-tocopherol (αT) in low and high doses could improve the long-term memory impairment induced by proteasome inhibition and protects against hippocampal oxidative stress. Methods: Alpha-tocopherol (αT) (60, 200 mg/kg, i.p. for 5 days) was administered to rats with memory deficit and hippocampal oxidative stress induced by bilateral intra-hippocampal injection of lactacystin (32 ng/μl) and mitochondrial evaluations were performed for improvement assessments. Results: The results showed that lactacystin significantly reduced the passive avoidance memory performance and increased the level of malondialdehyde (MDA), reactive oxygen species (ROS) and diminished the mitochondrial membrane potential (MMP) in the rat hippocampus. Furthermore, Intraperitoneal administration of αT significantly increased the passive avoidance memory, glutathione content and reduced ROS, MDA levels and impaired MMP. Conclusions: The results suggested that αT has neuroprotective effects against lactacystin-induced oxidative stress and memory impairment via the enhancement of hippocampal antioxidant capacity and concomitant mitochondrial sustainability. This finding shows a way to prevent and also to treat neurodegenerative diseases associated with mitochondrial impairment.
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Affiliation(s)
- Ali Nesari
- Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Taghi Mansouri
- Department of Pharmacology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Anesthesiology, Irving Medical Center, Columbia University, New York, NY, USA
| | - Mohammad Javad Khodayar
- Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohsen Rezaei
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Toxicology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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Zhou H, Guo F, Luo J, Zhang Y, Liu J, Zhang Y, Zheng X, Wan F, Ding W. Functional analysis of an upregulated calmodulin gene related to the acaricidal activity of curcumin against Tetranychus cinnabarinus (Boisduval). PEST MANAGEMENT SCIENCE 2021; 77:719-730. [PMID: 32865312 DOI: 10.1002/ps.6066] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 08/01/2020] [Accepted: 08/31/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Curcumin is a promising botanical acaricidal compound with activity against Tetranychus cinnabarinus. Calmodulin (CaM) is a key calcium ion (Ca2+ ) sensor that plays a vital role in calcium signaling. Overexpression of the CaM gene with inducible character occurs in curcumin-treated mites, but its functional role remains to be further analyzed by RNA interference (RNAi) and protein expression. RESULTS A CaM gene was cloned from T. cinnabarinus (designated TcCaM). TcCaM was upregulated and the protein was activated in mites by curcumin. The susceptibility of mites to curcumin was decreased after inhibiting CaM function with anti-CaM drug trifluoperazine (TFP) and silencing CaM transcription with RNAi, suggesting that the CaM gene is involved in the acaricidal activity of curcumin against mites. Moreover, the TFP pre-treated Sf9 cells were resistant to curcumin-mediated increase in [Ca2+ ]i levels, indicating that CaM-mediated Ca2+ homeostasis was disturbed by curcumin. TcCaM was then re-engineered for heterologous expression in Escherichia coli. Strikingly, our results showed that the recombinant CaM protein was directly activated by curcumin via inducing its conformational changes, its half-maximal effective concentration (EC50 ) value is 0.3 μmol L-1 in vitro, which is similar to curcumin against CaM-expressing Sf9 cells (0.76 μmol L-1 ) in vivo. CONCLUSION These results confirm that the overexpressed CaM gene is involved in the acaricidal activity of curcumin, and the mode of action of curcumin may be via activating CaM function, and thereby disrupting Ca2+ homeostasis in T. cinnabarinus. This study highlights the novel target mechanism of new acaricides, promoting our understanding of the molecular mechanism of CaM-mediated acaricide targets in mites.
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Affiliation(s)
- Hong Zhou
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Fuyou Guo
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Jinxiang Luo
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Yongqiang Zhang
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Jinlin Liu
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Yanchun Zhang
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Xinyu Zheng
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Fenglin Wan
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
| | - Wei Ding
- Institute of Pesticide Science, College of Plant Protection, Southwest University, Chongqing, P. R. China
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Pagliaro L, Marchesini M, Roti G. Targeting oncogenic Notch signaling with SERCA inhibitors. J Hematol Oncol 2021; 14:8. [PMID: 33407740 PMCID: PMC7789735 DOI: 10.1186/s13045-020-01015-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/02/2020] [Indexed: 12/26/2022] Open
Abstract
P-type ATPase inhibitors are among the most successful and widely prescribed therapeutics in modern pharmacology. Clinical transition has been safely achieved for H+/K+ ATPase inhibitors such as omeprazole and Na+/K+-ATPase inhibitors like digoxin. However, this is more challenging for Ca2+-ATPase modulators due to the physiological role of Ca2+ in cardiac dynamics. Over the past two decades, sarco-endoplasmic reticulum Ca2+-ATPase (SERCA) modulators have been studied as potential chemotherapy agents because of their Ca2+-mediated pan-cancer lethal effects. Instead, recent evidence suggests that SERCA inhibition suppresses oncogenic Notch1 signaling emerging as an alternative to γ-secretase modulators that showed limited clinical activity due to severe side effects. In this review, we focus on how SERCA inhibitors alter Notch1 signaling and show that Notch on-target-mediated antileukemia properties of these molecules can be achieved without causing overt Ca2+ cellular overload.
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Affiliation(s)
- Luca Pagliaro
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Matteo Marchesini
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Giovanni Roti
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy.
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Heger V, Benesova B, Viskupicova J, Majekova M, Zoofishan Z, Hunyadi A, Horakova L. Phenolic Compounds from Morus nigra Regulate Viability and Apoptosis of Pancreatic β-Cells Possibly via SERCA Activity. ACS Med Chem Lett 2020; 11:1006-1013. [PMID: 32435418 DOI: 10.1021/acsmedchemlett.0c00047] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/24/2020] [Indexed: 12/16/2022] Open
Abstract
The ability of phenolic compounds from Morus nigra to modulate sarco-endoplasmic Ca2+-ATPase (SERCA1) activity was analyzed. Enzyme activity decrease correlated with the binding energy of agents to SERCA1. Results from theoretical and experimental approaches were coherent in identifying binding sites to SERCA1. Albanol A inhibited SERCA1 by immersion in the luminal gate at the site of Ca2+ release. Kuwanon U exerted an inhibitory effect by preventing ATP binding in the cytosolic region of SERCA1, and this was associated with conformational alterations. On the basis of similarities of SERCA isoforms, the viability of beta-cells containing SERCA2b was analyzed. Both correlation of viability and negative correlation of SERCA2b expression with SERCA1 activity were found for agents with the highest binding energy to SERCA1. The compounds studied may regulate viability and apoptosis of pancreatic beta-cells via modulation of SERCA activity. Novel pharmacological interventions in diabetes may be realized via compounds restoring ER calcium levels.
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Affiliation(s)
- Vladimir Heger
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine SAS, Dubravska cesta 9, 841 01 Bratislava, Slovakia
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynska
dolina, Ilkovicova 6, 842 15 Bratislava 4, Slovakia
| | - Barbora Benesova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine SAS, Dubravska cesta 9, 841 01 Bratislava, Slovakia
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynska
dolina, Ilkovicova 6, 842 15 Bratislava 4, Slovakia
| | - Jana Viskupicova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine SAS, Dubravska cesta 9, 841 01 Bratislava, Slovakia
| | - Magdalena Majekova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine SAS, Dubravska cesta 9, 841 01 Bratislava, Slovakia
| | - Zoofishan Zoofishan
- Institute of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary
| | - Attila Hunyadi
- Institute of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös u. 6, 6720 Szeged, Hungary
| | - Lubica Horakova
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine SAS, Dubravska cesta 9, 841 01 Bratislava, Slovakia
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Barez SR, Atar AM, Aghaei M. Mechanism of inositol-requiring enzyme 1-alpha inhibition in endoplasmic reticulum stress and apoptosis in ovarian cancer cells. J Cell Commun Signal 2020; 14:403-415. [PMID: 32200504 DOI: 10.1007/s12079-020-00562-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 03/09/2020] [Indexed: 02/06/2023] Open
Abstract
IRE1α endonuclease is a key regulator of endoplasmic reticulum (ER) stress that controls cell survival/apoptosis in cancers. Inhibition of IRE1α endonuclease leads to decreased splice XBP1 which decreases cell proliferation and increases cell death in cancer cells. Therefore, this study investigated the effects and mechanism of STF-083010 (an IRE1α inhibitor) on the cell growth/apoptosis of ovarian malignant cells via the XBP1-CHOP-Bim pathway following the induction of ER stress (ERS). ERS in OVCAR3 and SKOV3 cells was measured using Thioflavin T staining. The expression of ER stress response genes was evaluated by QRT-PCR. The levels of XBP1(s), PERK, phospho-PERK, p-PP2A, ATF4, BIP/GRP78, CHOP, and Bim proteins were evaluated using western blotting. Cell viability and apoptosis in STF-083010 and Tunicamycin (Tm) co-treated cells were assessed using BrdU, MTT, Annexin V-FITC/PI staining, and caspases-12 and -3 activity assays. The results showed increased XBP1, CHOP, and ATF-4 mRNA expression levels as well as high protein aggregation in STF-083010 and Tm co-treated cells. The IRE1α inhibitor down-regulated sXBP1 and BIP proteins, while XBP-1, p-PERK, ATF-4, CHOP, and Bim proteins were up-regulated. STF-083010 reduced cell proliferation and induced apoptosis through the activation of caspases-12 and -3 and Bax/Bcl-2 protein expression. In summary, the present data revealed the effects of STF-083010 in ER stress and apoptosis as well as signaling via XBP1/CHOP/Bim mediators. Thus, STF-083010 is proposed as a new target for the control of ERS in ovarian cancer cells.
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Affiliation(s)
- Shekufe Rezghi Barez
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ahmad Movahedian Atar
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahmoud Aghaei
- Department of Clinical Biochemistry, School of Pharmacy & Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran.
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Guo WW, Zhang ZT, Wei Q, Zhou Y, Lin MT, Chen JJ, Wang TT, Guo NN, Zhong XC, Lu YY, Yang QY, Han M, Gao J. Intracellular Restructured Reduced Glutathione-Responsive Peptide Nanofibers for Synergetic Tumor Chemotherapy. Biomacromolecules 2020; 21:444-453. [PMID: 31851512 DOI: 10.1021/acs.biomac.9b01202] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Self-assembled peptide nanofibers have been widely studied in cancer nanotherapeutics with their excellent biocompatibility and low toxicity of degradation products, showing the significant potential in inhibiting tumor progression. However, poor solubility prevents direct intravenous administration of nanofibers. Although water-soluble peptide precursors have been formed via the method of phosphorylation for intravenous administration, their opportunities for broad in vivo application are limited by the weak capacity of encapsulating drugs. Herein, we designed a novel restructured reduced glutathione (GSH)-responsive drug delivery system encapsulating doxorubicin for systemic administration, which achieved the intracellular restructuration from three-dimensional micelles into one-dimensional nanofibers. After a long blood circulation, micelles endocytosed by tumor cells could degrade in response to high GSH levels, achieving more release and accumulation of doxorubicin at desired sites. Further, the synergistic chemotherapy effects of self-assembled nanofibers were confirmed in both in vitro and in vivo experiments.
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Olajuyin AM, Olajuyin AK, Wang Z, Zhao X, Zhang X. CD146 T cells in lung cancer: its function, detection, and clinical implications as a biomarker and therapeutic target. Cancer Cell Int 2019; 19:247. [PMID: 31572064 PMCID: PMC6761715 DOI: 10.1186/s12935-019-0969-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 09/18/2019] [Indexed: 12/12/2022] Open
Abstract
CD146 alternatively called melanoma cell adhesion molecule (MCAM), is a biomarker and therapeutic target of clinical significance. It is found on different cells including the endothelial cells and lymphocytes which participate in heterotypic and homotypic ligand-receptor. This review concentrated on the CD146 expression T cells (or lymphocytes) centering on Treg in lung cancer. Here, we have also considered the vigorous investigation of CD146 mainly acknowledged new roles, essential mechanisms and clinical implications of CD146 in cancer. CD146 has progressively become a significant molecule, particularly recognized as a novel biomarker, prognosis and therapy for cancer. Hence, targeting CD146 expression by utilization of methanol extracts of Calotropis procera leaf may be useful for the treatment of carcinogenesis.
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Affiliation(s)
- Ayobami Matthew Olajuyin
- Department of Respiratory and Critical Care Medicine, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, 450003 Henan China
| | - Adefunke Kafayat Olajuyin
- Department of Respiratory and Critical Care Medicine, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, 450003 Henan China
| | - Ziqi Wang
- Department of Respiratory and Critical Care Medicine, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, 450003 Henan China
| | - Xingru Zhao
- Department of Respiratory and Critical Care Medicine, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, 450003 Henan China
| | - Xiaoju Zhang
- Department of Respiratory and Critical Care Medicine, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, 450003 Henan 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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Unraveling the molecular mechanisms and the potential chemopreventive/therapeutic properties of natural compounds in melanoma. Semin Cancer Biol 2019; 59:266-282. [PMID: 31233829 DOI: 10.1016/j.semcancer.2019.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/19/2019] [Accepted: 06/21/2019] [Indexed: 12/12/2022]
Abstract
Melanoma is the most fatal form of skin cancer. Current therapeutic approaches include surgical resection, chemotherapy, targeted therapy and immunotherapy. However, these treatment strategies are associated with development of drug resistance and severe side effects. In recent years, natural compounds have also been extensively studied for their anti-melanoma effects, including tumor growth inhibition, apoptosis induction, angiogenesis and metastasis suppression and cancer stem cell elimination. Moreover, a considerable number of studies reported the synergistic activity of phytochemicals and standard anti-melanoma agents, as well as the enhanced effectiveness of their synthetic derivatives and novel formulations. However, clinical data confirming these promising effects in patients are still scanty. This review emphasizes the anti-tumor mechanisms and potential application of the most studied natural products for melanoma prevention and treatment.
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ER stress promotes antitumor effects in BRAFi/MEKi resistant human melanoma induced by natural compound 4-nerolidylcathecol (4-NC). Pharmacol Res 2018; 141:63-72. [PMID: 30550954 DOI: 10.1016/j.phrs.2018.12.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 12/10/2018] [Indexed: 12/12/2022]
Abstract
Melanoma accounts for only 4% of malignant neoplasms of the skin, but is considered the most serious because it is highly deadly. Mutations in the MAPK (Ras-Raf-MEK-ERK) pathway is closely linked to the lack of control of cell proliferation. Especially in melanoma, this pathway has become a target for the development of oncogene-targeted therapies, such as the potent inhibitors of v-Raf murine sarcoma viral oncogene homolog B (BRAFi) and mitogen-activated protein kinase kinase (MEKi). Very high rates of response have been achieved, but most patients are relapsed due to the development of resistance, justifying the constant search for new therapeutic compounds. Early results from our group indicated that 4-nerolidylcatechol (4-NC), a catechol compound extracted from Pothomorphe umbellata, induces DNA damage, ROS production, increased p53 expression culminating in apoptosis in melanoma but with no data regarding the 4-NC effects in cells resistant to BRAFi or MEKi. Therefore, here we evaluated the role of 4-NC alone or in combination with BRAFi/MEKi in resistant melanoma cells. Double-resistant cells were generated and characterized by MAPK pathway reactivation. 4-NC alone or in combination (30 μM) with MAPK inhibitors was cytotoxic, inhibited colony formation and decreased invasiveness in two and three-dimensional cell culture models of treatment-naïve, BRAFi-resistant and BRAF/MEKi double-resistant melanoma cells. Apoptosis induction was demonstrated in resistant and double-resistant melanoma cell lines after 4-NC treatments. 4-NC showed important ability to induce apoptosis via Endoplasmatic Reticulum (ER) stress and specifically BiP and CHOP that had increased protein expression in all melanoma cell lines proving to be part of the ER stress pathway activation. CHOP knockdown slightly but enough increases cellular viability following 4-NC treatment indicating that apoptosis observed is partially dependent on CHOP. In summary, we show that 4-NC is a compound with activity against cutaneous melanoma, including resistant cells to clinically approved therapies.
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Shimada K, Ushijima K, Suzuki C, Horiguchi M, Ando H, Akita T, Shimamura M, Fujii J, Yamashita C, Fujimura A. Pulmonary administration of curcumin inhibits B16F10 melanoma lung metastasis and invasion in mice. Cancer Chemother Pharmacol 2018; 82:265-273. [PMID: 29869202 DOI: 10.1007/s00280-018-3616-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 05/18/2018] [Indexed: 01/08/2023]
Abstract
PURPOSE Curcumin is expected to have beneficial effects including an anti-cancer effect. However, its lower bioavailability is a critical concern and limits the utility of curcumin in clinical practice. In this study, we investigated whether transpulmonary delivery of curcumin is pharmacologically effective along with improving its bioavailability in mice with lung metastasis. METHODS C57BL/6J mice were injected with B16F10 melanoma cells via their tail vein and given curcumin by pulmonary administration every other day. The lung tissue of the vehicle-treated mice on day 17 was covered by nodules of metastatic melanoma. RESULTS Pulmonary curcumin administration significantly and dose-dependently protected the lung metastasis of melanoma. The phosphorylation of JNK (c-Jun NH2 terminal kinase) and HLJ1 expression levels in the lung metastatic nodules of the melanoma were significantly increased by pulmonary curcumin administration. The anti-metastatic effect of curcumin was blunted in mice injected with HLJ1 knocked-down B16F10 melanoma. Systemic bioavailability after pulmonary administration was 61-times higher than after oral administration. Additionally, the curcumin concentration in the lung tissue was sustained to a high level until 24 h after pulmonary administration. CONCLUSIONS This study showed the usefulness of curcumin to suppress lung metastasis of melanoma by pulmonary administration, a method that may overcome the low-bioavailability of curcumin.
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Affiliation(s)
- Ken Shimada
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Tochigi, 329-0498, Japan.,Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Kentaro Ushijima
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Tochigi, 329-0498, Japan.
| | - Chisato Suzuki
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Tochigi, 329-0498, Japan.,Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Michiko Horiguchi
- Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan.,Division of Pediatric Hematology, Oncology, and Stem Cell Transplantation, Columbia University Medical Center, New York, USA
| | - Hitoshi Ando
- Department of Cellular and Molecular Function Analysis, Graduate School of Medical Sciences, Kanazawa University, Ishikawa, Japan
| | - Tomomi Akita
- Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Mizuki Shimamura
- Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Junki Fujii
- Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Chikamasa Yamashita
- Department of Pharmaceutics and Drug Delivery, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba, Japan
| | - Akio Fujimura
- Division of Clinical Pharmacology, Department of Pharmacology, School of Medicine, Jichi Medical University, Tochigi, 329-0498, Japan
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16
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Ma WW, Zhao L, Yuan LH, Yu HL, Wang H, Gong XY, Wei F, Xiao R. Elaidic acid induces cell apoptosis through induction of ROS accumulation and endoplasmic reticulum stress in SH‑SY5Y cells. Mol Med Rep 2017; 16:9337-9346. [PMID: 29152653 PMCID: PMC5779995 DOI: 10.3892/mmr.2017.7830] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 06/26/2017] [Indexed: 01/09/2023] Open
Abstract
Elaidic acid, which is a major trans fatty acid, has been reported to be involved in neurotoxicity; however, the underlying molecular mechanisms underlying its neurotoxic effects remain largely unknown. Therefore, the present study aimed to investigate the potential mechanisms underlying elaidic acid‑induced neuronal damage in vitro. The SH‑SY5Y neuroblastoma cell line was used as a model in the present study. Following treatment of cells with various concentrations of elaidic acid or with vehicle for 24 h, cell viability was measured using the MTT assay. Mitochondrial membrane potential (MMP) and reactive oxygen species (ROS) release were measured using flow cytometry. Cell apoptosis was measured by Annexin V‑fluorescein isothiocyanate/propidium iodide double staining, and cellular redox status was determined using ELISA analysis. Furthermore, western blotting was used to detect the protein expression levels of factors associated with oxidative damage and components of the endoplasmic reticulum (ER) stress/unfolded protein response (UPR) signaling pathways. The results demonstrated that elaidic acid treatment inhibited cell viability, elevated cell apoptosis and resulted in a loss of MMP. In addition, elaidic acid induced marked alterations in cellular redox status. Treatment with high doses of elaidic acid treatment also enhanced the release of ROS, and upregulated lipid peroxide and malondialdehyde levels; however, it reduced superoxide dismutase and glutathione peroxidase activities. Furthermore, elaidic acid resulted in upregulation of nuclear factor erythroid 2‑related factor 2 and downregulation of heme oxygenase 1, which are two key antioxidative factors. Elaidic acid treatment also induced or inhibited the expression of numerous ER stress/UPR‑associated molecules. It induced glucose‑regulated protein 78 (GRP78) expression, whereas the expression levels of activating transcription factor 4 (ATF4) and CCAAT/enhancer‑binding protein homologous protein (CHOP) were upregulated and then downregulated following treatment with various doses of elaidic acid. These results indicated that elaidic acid inhibited SH‑SY5Y cell growth and induced apoptosis by enhancing oxidative stress and activating the ER stress/UPR signaling pathway and the GRP78/ATF4/CHOP pathway.
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Affiliation(s)
- Wei-Wei Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Lei Zhao
- Department of Molecular Physiology and Biophysics, Holden Comprehensive Cancer Center, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
| | - Lin-Hong Yuan
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Huan-Ling Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Hui Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Xin-Yuan Gong
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Feng Wei
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
| | - Rong Xiao
- Department of Nutrition and Food Hygiene, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, P.R. China
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Chemaly ER, Troncone L, Lebeche D. SERCA control of cell death and survival. Cell Calcium 2017; 69:46-61. [PMID: 28747251 DOI: 10.1016/j.ceca.2017.07.001] [Citation(s) in RCA: 132] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 07/03/2017] [Accepted: 07/03/2017] [Indexed: 12/31/2022]
Abstract
Intracellular calcium (Ca2+) is a critical coordinator of various aspects of cellular physiology. It is increasingly apparent that changes in cellular Ca2+ dynamics contribute to the regulation of normal and pathological signal transduction that controls cell growth and survival. Aberrant perturbations in Ca2+ homeostasis have been implicated in a range of pathological conditions, such as cardiovascular diseases, diabetes, tumorigenesis and steatosis hepatitis. Intracellular Ca2+ concentrations are therefore tightly regulated by a number of Ca2+ handling enzymes, proteins, channels and transporters located in the plasma membrane and in Ca2+ storage organelles, which work in concert to fine tune a temporally and spatially precise Ca2+ signal. Chief amongst them is the sarco/endoplasmic reticulum (SR/ER) Ca2+ ATPase pump (SERCA) which actively re-accumulates released Ca2+ back into the SR/ER, therefore maintaining Ca2+ homeostasis. There are at least 14 different SERCA isoforms encoded by three ATP2A1-3 genes whose expressions are species- and tissue-specific. Altered SERCA expression and activity results in cellular malignancy and induction of ER stress and ER stress-associated apoptosis. The role of SERCA misregulation in the control of apoptosis in various cell types and disease setting with prospective therapeutic implications is the focus of this review. Ca2+ is a double edge sword for both life as well as death, and current experimental evidence supports a model in which Ca2+ homeostasis and SERCA activity represent a nodal point that controls cell survival. Pharmacological or genetic targeting of this axis constitutes an incredible therapeutic potential to treat different diseases sharing similar biological disorders.
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Affiliation(s)
- Elie R Chemaly
- Division of Nephrology and Hypertension, Department of Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Luca Troncone
- Cardiovascular Research Institute, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Djamel Lebeche
- Cardiovascular Research Institute, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Diabetes, Obesity and Metabolism Institute, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Graduate School of Biological Sciences, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
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18
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Rivera M, Ramos Y, Rodríguez-Valentín M, López-Acevedo S, Cubano LA, Zou J, Zhang Q, Wang G, Boukli NM. Targeting multiple pro-apoptotic signaling pathways with curcumin in prostate cancer cells. PLoS One 2017; 12:e0179587. [PMID: 28628644 PMCID: PMC5476315 DOI: 10.1371/journal.pone.0179587] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 06/01/2017] [Indexed: 01/07/2023] Open
Abstract
Curcumin, an extract from the turmeric rhizome (Curcuma longa), is known to exhibit anti-inflammatory, antioxidant, chemopreventive and antitumoral activities against aggressive and recurrent cancers. Accumulative data indicate that curcumin may induce cancer cell death. However, the detailed mechanism underlying its pro-apoptotic and anti-cancer effects remains to be elucidated. In the present study, we examined the signaling pathways triggered by curcumin, specifically, the exact molecular mechanisms of curcumin-induced apoptosis in highly metastatic human prostate cancer cells. The effect of curcumin was evaluated using for the first time in prostate cancer, a gel-free shotgun quantitative proteomic analysis coupled with Tandem Mass Tag isobaric labeling-based-signaling networks. Results were confirmed at the gene expression level by qRT-PCR and at the protein expression level by western blot and flow cytometry. Our findings revealed that curcumin induced an Endoplasmic Reticulum stress-mediated apoptosis in PC3. The mechanisms by which curcumin promoted cell death in these cells were associated with cell cycle arrest, increased reactive oxygen species, autophagy and the Unfolded Protein Response. Furthermore, the upregulation of ER stress was measured using key indicators of ER stress: Glucose-Regulated Protein 78, Inositol-Requiring Enzyme 1 alpha, Protein Disulfide isomerase and Calreticulin. Chronic ER stress induction was concomitant with the upregulation of pro-apoptotic markers (caspases 3,9,12) and Poly (ADP-ribose) polymerase. The downregulated proteins include anti-apoptotic and anti-tumor markers, supporting their curcumin-induced pro-apoptotic role in prostate cancer cells. Taken together, these data suggest that curcumin may serve as a promising anticancer agent by inducing a chronic ER stress mediated cell death and activation of cell cycle arrest, UPR, autophagy and oxidative stress responses.
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Affiliation(s)
- Mariela Rivera
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
| | - Yanilda Ramos
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
| | - Madeline Rodríguez-Valentín
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
| | - Sheila López-Acevedo
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
| | - Luis A. Cubano
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
| | - Jin Zou
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, Atlanta, Georgia, United States of America
| | - Qiang Zhang
- Department of Chemistry, RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Guangdi Wang
- Department of Chemistry, RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Nawal M. Boukli
- Department of Microbiology and Immunology, Biomedical Proteomics Facility, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico, United States of America
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19
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Zhang J, Feng Z, Wang C, Zhou H, Liu W, Kanchana K, Dai X, Zou P, Gu J, Cai L, Liang G. Curcumin derivative WZ35 efficiently suppresses colon cancer progression through inducing ROS production and ER stress-dependent apoptosis. Am J Cancer Res 2017; 7:275-288. [PMID: 28337376 PMCID: PMC5336501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 02/04/2016] [Indexed: 06/06/2023] Open
Abstract
Colon cancer is characterized by its fast progression and poor prognosis, and novel agents of treating colon cancer are urgently needed. WZ35, a synthetic curcumin derivative, has been reported to exhibit promising antitumor activity. Here, we investigated the in vitro and in vivo activities of WZ35 and explored the underlying mechanisms in colon cancer cell lines. WZ35 treatment significantly decreased the cell viability associated with G2/M cell cycle arrest and apoptosis induction in colon cancer cell lines. We also show that WZ35 is highly effective in inhibiting tumor growth in a CT26 xenograft mouse model. Mechanistically, WZ35 treatment significantly induced reactive oxygen species (ROS) generation and endoplasmic reticulum (ER) stress in CT26 cells. Abrogation of ROS production by N-acetylcysteine (NAC) co-treatment almost totally reversed the WZ35-induced cell apoptosis and ER stress activation. Inhibition of p-PERK by GSK2606414 can significantly reverse WZ35-induced cell apoptosis in CT26 cells. Taken together, the curcumin derivative WZ35 exhibited anti-tumor effects in colon cancer cells both in vitro and in vivo, via a ROS-ER stress-mediated mechanism. These findings indicate that activating ROS generation could be an important strategy for the treatment of colon cancers.
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Affiliation(s)
- Junru Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Science, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
- School of Pharmaceutical Science, Binzhou Medical UniversityYantai, Shandong 264003, China
| | - Zhiguo Feng
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Chunhua Wang
- School of Pharmaceutical Science, Binzhou Medical UniversityYantai, Shandong 264003, China
| | - Huiping Zhou
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Weidong Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Karvannan Kanchana
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Xuanxuan Dai
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Peng Zou
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
| | - Junlian Gu
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Science, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
- Kosair Children’s Hospital Research Institute, Department of Pediatrics of The University of LouisvilleLouisville, KY 40202, USA
| | - Lu Cai
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Science, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
- Kosair Children’s Hospital Research Institute, Department of Pediatrics of The University of LouisvilleLouisville, KY 40202, USA
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical UniversityWenzhou, Zhejiang 325035, China
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20
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Schwarzlin R, Pušenjak N, Makuc D, Križman M, Vovk I, Plavec J, Švajger U. Synergistic complex from plants Solanaceae exhibits cytotoxicity for the human hepatocellular carcinoma cell line HepG2. Altern Ther Health Med 2016; 16:395. [PMID: 27756283 PMCID: PMC5070086 DOI: 10.1186/s12906-016-1362-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Accepted: 09/09/2016] [Indexed: 11/11/2022]
Abstract
Background It had been demonstrated that sugars from various plants can act as potent agents, which induce apoptosis of cancer cells. Methods Using HPLC, we fractionated a mixture of two plant extracts from the plant family Solanaceae, namely Capsicum chinense and the plant family Amaryllidaceae namely Allium sativum. We evaluated the effect of different fractions on apoptosis of HepG2 cell line. The most effective fraction was further studied to determine its molecular composition using mass spectrometry (MS) and NMR. We further evaluated the effect of determined molecular composition found in the selected fraction by using a mixture of commercially available substances, which were found in the fraction and tested its pro-apoptotic effect on HepG2 cells. To get some insight into potential apoptotic mechanisms we studied caspase-3 activity and mitochondrial integrity in treated cells. Results Out of 93 fractions obtained by HPLC from the plant extract we found HPLC fraction 10 (10 min elution) was the most effective. MS and NMR studies revealed high presence of cellobiose together with vitamin C, sulphur (S) and trace amounts of selenium (Se). HPLC fraction 10 triggered apoptosis of HepG2 within 3 h in the 0.01–1.0 mg/mL concentration range. Furthermore, a mixture of pure cellobiose, vitamin C, S and Se (complex cellobiose/C/S/Se) had a very similar capacity in inducing apoptosis of HepG2 cells compared to HPLC fraction 10. Complex cellobiose/C/S/Se was capable of inducing caspase-3 activity and led to loss of mitochondrial integrity. The capacity of cellobiose alone to induce apoptosis of HepG2 was approximately 1000-fold lower compared to complex cellobiose/C/S/Se. Conclusion In this study we present the highly synergistic effect of a unique complex consisting of cellobiose, vitamin C, sulphur and selenium on triggering the apoptosis of human hepatocellular carcinoma (HepG2) cell line.
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21
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Curcumin, mitochondrial biogenesis, and mitophagy: Exploring recent data and indicating future needs. Biotechnol Adv 2016; 34:813-826. [DOI: 10.1016/j.biotechadv.2016.04.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 04/11/2016] [Accepted: 04/28/2016] [Indexed: 11/23/2022]
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22
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Mirzaei H, Naseri G, Rezaee R, Mohammadi M, Banikazemi Z, Mirzaei HR, Salehi H, Peyvandi M, Pawelek JM, Sahebkar A. Curcumin: A new candidate for melanoma therapy? Int J Cancer 2016; 139:1683-95. [PMID: 27280688 DOI: 10.1002/ijc.30224] [Citation(s) in RCA: 197] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Accepted: 05/25/2016] [Indexed: 02/06/2023]
Abstract
Melanoma remains among the most lethal cancers and, in spite of great attempts that have been made to increase the life span of patients with metastatic disease, durable and complete remissions are rare. Plants and plant extracts have long been used to treat a variety of human conditions; however, in many cases, effective doses of herbal remedies are associated with serious adverse effects. Curcumin is a natural polyphenol that shows a variety of pharmacological activities including anti-cancer effects, and only minimal adverse effects have been reported for this phytochemical. The anti-cancer effects of curcumin are the result of its anti-angiogenic, pro-apoptotic and immunomodulatory properties. At the molecular and cellular level, curcumin can blunt epithelial-to-mesenchymal transition and affect many targets that are involved in melanoma initiation and progression (e.g., BCl2, MAPKS, p21 and some microRNAs). However, curcumin has a low oral bioavailability that may limit its maximal benefits. The emergence of tailored formulations of curcumin and new delivery systems such as nanoparticles, liposomes, micelles and phospholipid complexes has led to the enhancement of curcumin bioavailability. Although in vitro and in vivo studies have demonstrated that curcumin and its analogues can be used as novel therapeutic agents in melanoma, curcumin has not yet been tested against melanoma in clinical practice. In this review, we summarized reported anti-melanoma effects of curcumin as well as studies on new curcumin formulations and delivery systems that show increased bioavailability. Such tailored delivery systems could pave the way for enhancement of the anti-melanoma effects of curcumin.
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Affiliation(s)
- Hamed Mirzaei
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Naseri
- Department of Anatomical Sciences, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ramin Rezaee
- Department of Physiology and Pharmacology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Mohsen Mohammadi
- Razi Herbal Medicines Research Center and Department of pharmaceutical biotechnology, Faculty of pharmacy, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Zarrin Banikazemi
- Biochemistry of Nutrition Research Center, School of Medicine, Mashhad University of Medical Science, Mashhad, Iran
| | - Hamid Reza Mirzaei
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Salehi
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mostafa Peyvandi
- Department of Anatomical Sciences, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Anatomical Sciences, School of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - John M Pawelek
- Department of Dermatology and the Yale Cancer Center, Yale University School of Medicine, New Haven, CT
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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23
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Ye H, Wei X, Wang Z, Zhang S, Ren J, Yao S, Shi L, Yang L, Qiu P, Wu J, Liang G. A novel double carbonyl analog of curcumin induces the apoptosis of human lung cancer H460 cells via the activation of the endoplasmic reticulum stress signaling pathway. Oncol Rep 2016; 36:1640-8. [DOI: 10.3892/or.2016.4911] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 04/29/2016] [Indexed: 11/05/2022] Open
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24
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Pan Y, Liu G, Xiao J, Su B, Zhou F, Wei Y. A novel curcuminoid exhibits enhanced antitumor activity in nasopharyngeal carcinoma. Int J Oncol 2016; 48:2175-83. [PMID: 26983360 DOI: 10.3892/ijo.2016.3425] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 02/18/2016] [Indexed: 11/05/2022] Open
Abstract
Curcumin shows growth-inhibition against tumor cells through multi-target mechanisms. Nevertheless, the poor stability and pharmacokinetics considerably limit its clinical functions. Increased effort has been put into the chemical alteration of curcumin to find potential analogues with improved bioavailability and antitumor activities. In this study, the antitumor activity of a novel curcuminoid (B63) in nasopharyngeal carcinoma (NPC) was examined. The MTT and colony formation assays were used to detect NPC cell viability and proliferation. Flow cytometry was used to detect cell cycle distribution. The Annexin V/PI staining assay and cleavage PARP and cleavage caspase-3 expression were used to examine apoptosis. Western blotting was used to examine the protein expression of endoplasmic reticulum (ER) stress pathway markers, XBP-1, ATF-4 and CHOP. The suppressive effect of B63 on tumor growth was examined in vivo by subcutaneously inoculated NPC in a tumor model using nude mice. Treatment with B63 potentially caused growth inhibition and apoptosis in NPC cells in a dose- and time-responsive manner. Its antitumor effect was associated with the ER stress activation. Nevertheless, the same dose of curcumin did not activate ER stress. In addition, knockdown of Chop attenuated B63-induced cell viability inhibition, suggesting that the apoptotic pathway is ER stress-dependent. The tumor volume and weight were significantly reduced by pretreating the NPC cells with B63 before implantation in the in vivo mouse model. B63 exhibited a more potent antitumor action than curcumin in NPC. These observations on the novel compound B63 indicate a novel candidate for NPC therapy.
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Affiliation(s)
- Yunbao Pan
- Department of Pathology, Affiliated Hospital, Jiangnan University, Wuxi, Jiangsu 214062, P.R. China
| | - Guohong Liu
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, P.R. China
| | - Jian Xiao
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510080, P.R. China
| | - Bojin Su
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510080, P.R. China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Yongchang Wei
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
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25
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Pal HC, Hunt KM, Diamond A, Elmets CA, Afaq F. Phytochemicals for the Management of Melanoma. Mini Rev Med Chem 2016; 16:953-79. [PMID: 26864554 PMCID: PMC4980238 DOI: 10.2174/1389557516666160211120157] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 11/23/2015] [Accepted: 02/07/2016] [Indexed: 11/22/2022]
Abstract
Melanoma claims approximately 80% of skin cancer-related deaths. Its life-threatening nature is primarily due to a propensity to metastasize. The prognosis for melanoma patients with distal metastasis is bleak, with median survival of six months even with the latest available treatments. The most commonly mutated oncogenes in melanoma are BRAF and NRAS accounting approximately 60% and 20% of cases, respectively. In malignant melanoma, accumulating evidence suggests that multiple signaling pathways are constitutively activated and play an important role in cell proliferation, cell survival, epithelial to mesenchymal transition, metastasis and resistance to therapeutic regimens. Phytochemicals are gaining considerable attention because of their low toxicity, low cost, and public acceptance as dietary supplements. Cell culture and animals studies have elucidated several cellular and molecular mechanisms by which phytochemicals act in the prevention and treatment of metastatic melanoma. Several promising phytochemicals, such as, fisetin, epigallocatechin-3-gallate, resveratrol, curcumin, proanthocyanidins, silymarin, apigenin, capsaicin, genistein, indole-3-carbinol, and luteolin are gaining considerable attention and found in a variety of fresh fruits, vegetables, roots, and herbs. In this review, we will discuss the preventive potential, therapeutic effects, bioavailability and structure activity relationship of these selected phytochemicals for the management of melanoma.
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Affiliation(s)
| | | | | | | | - Farrukh Afaq
- Department of Dermatology, University of Alabama at Birmingham, Volker Hall, Room 501, 1670 University Blvd., Birmingham, AL, 35294, USA.
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Hassan M, Selimovic D, Hannig M, Haikel Y, Brodell RT, Megahed M. Endoplasmic reticulum stress-mediated pathways to both apoptosis and autophagy: Significance for melanoma treatment. World J Exp Med 2015; 5:206-217. [PMID: 26618107 PMCID: PMC4655250 DOI: 10.5493/wjem.v5.i4.206] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 06/29/2015] [Accepted: 09/08/2015] [Indexed: 02/06/2023] Open
Abstract
Melanoma is the most aggressive form of skin cancer. Disrupted intracellular signaling pathways are responsible for melanoma's extraordinary resistance to current chemotherapeutic modalities. The pathophysiologic basis for resistance to both chemo- and radiation therapy is rooted in altered genetic and epigenetic mechanisms that, in turn, result in the impairing of cell death machinery and/or excessive activation of cell growth and survival-dependent pathways. Although most current melanoma therapies target mitochondrial dysregulation, there is increasing evidence that endoplasmic reticulum (ER) stress-associated pathways play a role in the potentiation, initiation and maintenance of cell death machinery and autophagy. This review focuses on the reliability of ER-associated pathways as therapeutic targets for melanoma treatment.
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Hartman ML, Talar B, Gajos-Michniewicz A, Czyz M. MCL-1, BCL-XL and MITF Are Diversely Employed in Adaptive Response of Melanoma Cells to Changes in Microenvironment. PLoS One 2015; 10:e0128796. [PMID: 26035829 PMCID: PMC4452715 DOI: 10.1371/journal.pone.0128796] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 04/30/2015] [Indexed: 01/07/2023] Open
Abstract
Melanoma cells can switch their phenotypes in response to microenvironmental insults. Heterogeneous melanoma populations characterized by long-term growth and a high self-renewal capacity can be obtained in vitro in EGF(+)bFGF(+) medium whilst invasive potential of melanoma cells is increased in serum-containing cultures. In the present study, we have shown that originally these patient-derived melanoma populations exhibit variable expression of pro-survival genes from the BCL-2 family and inhibitors of apoptosis (IAPs), and differ in the baseline MCL-1 transcript stability as well. While being transferred to serum-containing medium, melanoma cells are well protected from death. Immediate adaptive response of melanoma cells selectively involves a temporary MCL-1 increase, both at mRNA and protein levels, and BCL-XL can complement MCL-1, especially in MITFlow populations. Thus, the extent of MCL-1 and BCL-XL contributions seems to be cell context-dependent. An increase in MCL-1 level results from a transiently enhanced stability of its transcript, but not from altered protein turnover. Inhibition of MCL-1 preceding transfer to serum-containing medium caused the induction of cell death in a subset of melanoma cells, which confirms the involvement of MCL-1 in melanoma cell survival during the rapid alteration of growth conditions. Additionally, immediate response to serum involves the transient increase in MITF expression and inhibition of ERK-1/2 activity. Uncovering the mechanisms of adaptive response to rapid changes in microenvironment may extend our knowledge on melanoma biology, especially at the stage of dissemination.
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Affiliation(s)
- Mariusz L. Hartman
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
| | - Beata Talar
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
| | | | - Malgorzata Czyz
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
- * E-mail:
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Kim B, Kim HS, Jung EJ, Lee JY, K. Tsang B, Lim JM, Song YS. Curcumin induces ER stress-mediated apoptosis through selective generation of reactive oxygen species in cervical cancer cells. Mol Carcinog 2015; 55:918-28. [DOI: 10.1002/mc.22332] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 03/26/2015] [Accepted: 04/02/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Boyun Kim
- WCU Biomodulation; Department of Agricultural Biotechnology; Seoul National University; Seoul Republic of Korea
| | - Hee Seung Kim
- Department of Obstetrics and Gynecology; Seoul National University College of Medicine; Seoul Korea
- Cancer Research Institute; Seoul National University College of Medicine; Seoul Republic of Korea
| | - Eun-Ji Jung
- Cancer Research Institute; Seoul National University College of Medicine; Seoul Republic of Korea
| | - Jung Yun Lee
- Department of Obstetrics and Gynecology; Seoul National University College of Medicine; Seoul Korea
| | - Benjamin K. Tsang
- WCU Biomodulation; Department of Agricultural Biotechnology; Seoul National University; Seoul Republic of Korea
- Departments of Obstetrics & Gynecology and Cellular & Molecular Medicine; Interdisciplinary School of Health Sciences; University of Ottawa, and Chronic Disease Program; Ottawa Hospital Research Institute; Ottawa Ontario Canada
| | - Jeong Mook Lim
- WCU Biomodulation; Department of Agricultural Biotechnology; Seoul National University; Seoul Republic of Korea
| | - Yong Sang Song
- WCU Biomodulation; Department of Agricultural Biotechnology; Seoul National University; Seoul Republic of Korea
- Department of Obstetrics and Gynecology; Seoul National University College of Medicine; Seoul Korea
- Cancer Research Institute; Seoul National University College of Medicine; Seoul Republic of Korea
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Gara RK, Srivastava VK, Duggal S, Bagga JK, Bhatt M, Sanyal S, Mishra DP. Shikonin selectively induces apoptosis in human prostate cancer cells through the endoplasmic reticulum stress and mitochondrial apoptotic pathway. J Biomed Sci 2015; 22:26. [PMID: 25879420 PMCID: PMC4389804 DOI: 10.1186/s12929-015-0127-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Accepted: 03/06/2015] [Indexed: 12/12/2022] Open
Abstract
Background Despite the recent progress in screening and therapy, a majority of prostate cancer cases eventually attain hormone refractory and chemo-resistant attributes. Conventional chemotherapeutic strategies are effective at very high doses for only palliative management of these prostate cancers. Therefore chemo-sensitization of prostate cancer cells could be a promising strategy for increasing efficacy of the conventional chemotherapeutic agents in prostate cancer patients. Recent studies have indicated that the chemo-preventive natural agents restore the pro-apoptotic protein expression and induce endoplasmic reticulum stress (ER stress) leading to the inhibition of cellular proliferation and activation of the mitochondrial apoptosis in prostate cancer cells. Therefore reprogramming ER stress-mitochondrial dependent apoptosis could be a potential approach for management of hormone refractory chemoresistant prostate cancers. We aimed to study the effects of the natural naphthoquinone Shikonin in human prostate cancer cells. Results The results indicated that Shikonin induces apoptosis in prostate cancer cells through the dual induction of the endoplasmic reticulum stress and mitochondrial dysfunction. Shikonin induced ROS generation and activated ER stress and calpain activity. Moreover, addition of antioxidants attenuated these effects. Shikonin also induced the mitochondrial apoptotic pathway mediated through the enhanced expression of the pro-apoptotic Bax and inhibition of Bcl-2, disruption of the mitochondrial membrane potential (MMP) followed by the activation of caspase-9, caspase-3, and PARP cleavage. Conclusion The results suggest that shikonin could be useful in the therapeutic management of hormone refractory prostate cancers due to its modulation of the pro-apoptotic ER stress and mitochondrial apoptotic pathways. Electronic supplementary material The online version of this article (doi:10.1186/s12929-015-0127-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rishi Kumar Gara
- Cell Death Research Laboratory, Endocrinology Division CSIR-Central Drug Research Institute, Lucknow, 226031, India. .,Center for Cancer Research, UTHSC, Memphis, TN, USA.
| | | | - Shivali Duggal
- Department of Radiotherapy, King George Medical University, Lucknow, 226003, India.
| | - Jaspreet Kaur Bagga
- Cell Death Research Laboratory, Endocrinology Division CSIR-Central Drug Research Institute, Lucknow, 226031, India.
| | - Mlb Bhatt
- Department of Radiotherapy, King George Medical University, Lucknow, 226003, India.
| | - Sabyasachi Sanyal
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow, 226031, India.
| | - Durga Prasad Mishra
- Cell Death Research Laboratory, Endocrinology Division CSIR-Central Drug Research Institute, Lucknow, 226031, India.
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Strickland LR, Pal HC, Elmets CA, Afaq F. Targeting drivers of melanoma with synthetic small molecules and phytochemicals. Cancer Lett 2015; 359:20-35. [PMID: 25597784 DOI: 10.1016/j.canlet.2015.01.016] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 01/06/2015] [Accepted: 01/10/2015] [Indexed: 12/19/2022]
Abstract
Melanoma is the least common form of skin cancer, but it is responsible for the majority of skin cancer deaths. Traditional therapeutics and immunomodulatory agents have not shown much efficacy against metastatic melanoma. Agents that target the RAS/RAF/MEK/ERK (MAPK) signaling pathway - the BRAF inhibitors vemurafenib and dabrafenib, and the MEK1/2 inhibitor trametinib - have increased survival in patients with metastatic melanoma. Further, the combination of dabrafenib and trametinib has been shown to be superior to single agent therapy for the treatment of metastatic melanoma. However, resistance to these agents develops rapidly. Studies of additional agents and combinations targeting the MAPK, PI3K/AKT/mTOR (PI3K), c-kit, and other signaling pathways are currently underway. Furthermore, studies of phytochemicals have yielded promising results against proliferation, survival, invasion, and metastasis by targeting signaling pathways with established roles in melanomagenesis. The relatively low toxicities of phytochemicals make their adjuvant use an attractive treatment option. The need for improved efficacy of current melanoma treatments calls for further investigation of each of these strategies. In this review, we will discuss synthetic small molecule inhibitors, combined therapies and current progress in the development of phytochemical therapies.
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Affiliation(s)
- Leah Ray Strickland
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Harish Chandra Pal
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Craig A Elmets
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Farrukh Afaq
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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Curcumin inhibits aerobic glycolysis and induces mitochondrial-mediated apoptosis through hexokinase II in human colorectal cancer cells in vitro. Anticancer Drugs 2015; 26:15-24. [DOI: 10.1097/cad.0000000000000132] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Cao A, Li Q, Yin P, Dong Y, Shi H, Wang L, Ji G, Xie J, Wu D. Curcumin induces apoptosis in human gastric carcinoma AGS cells and colon carcinoma HT-29 cells through mitochondrial dysfunction and endoplasmic reticulum stress. Apoptosis 2014; 18:1391-1402. [PMID: 23881281 DOI: 10.1007/s10495-013-0871-1] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the present study, we investigate the effect of curcumin, a major active component isolated from rhizomes of Curcuma longa, on the cytotoxicity of three human carcinoma cell lines (AGS, HT-29 and MGC803) in gastrointestinal tract and a normal gastric epithelial cell line GES-1, and the mechanism of curcumin-induced apoptosis. The results indicated that curcumin inhibited the gastrointestinal carcinoma cell growth in a dose-dependent manner and cytotoxicity was more towards the gastric carcinoma cell AGS and colon carcinoma cell HT-29 compared to normal gastric cell GES-1, and increased externalization of phosphatidylserine residue was observed by Annexin V/PI staining in the two cell lines. Treatment of AGS and HT-29 cells with curcumin enhanced the cleavage of procaspase-3, -7, -8 and -9. Meanwhile, curcumin induced endoplasmic reticulum (ER) stress and mitochondrial dysfunction as evidenced by up-regulation of CCAAT/enhancer binding protein homologous protein (CHOP), phosphorylation of JNK and down-regulation of SERCA2ATPase, release of cytochrome c, decrease of Bcl-2 and reduction of mitochondrial membrane potential in both AGS and HT-29 cells. Overexpression of bax, total JNK, phospho-FADD and total FADD were also observed in curcumin-treated HT-29 cells. Moreover, curcumin decreased cytosolic and ER Ca(2+), but increased mitochondrial Ca(2+) in the two cell lines. 2-Aminoethoxydiphenyl borate, an antagonist of inositol 1, 4, 5-triphosphate receptor, partly blocked curcumin-induced cytosolic Ca(2+) decrease in AGS and HT-29 cells. Additionally, carbonyl cyanide m-chlorophenylhydrazone, an inhibitor of mitochondrial Ca(2+) uptake, reversed curcumin-triggered AGS and HT-29 cells growth inhibition. siRNA to CHOP markedly reduced curcumin-induced apoptosis. These results suggest that curcumin can impact on ER stress and mitochondria functional pathways in AGS and HT-29 cells, death receptor pathway was also involved in curcumin-treated HT-29 cells, thus identifying specific well-defined molecular mechanisms that may be targeted by therapeutic strategies.
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Affiliation(s)
- Aili Cao
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Qi Li
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China
| | - Peihao Yin
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China
| | - Yang Dong
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Hailian Shi
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Li Wang
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China
| | - Guang Ji
- Institute of Digestive Diseases, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Jianqun Xie
- Institute of Digestive Diseases, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Dazheng Wu
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China. .,Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China.
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Vitadello M, Germinario E, Ravara B, Libera LD, Danieli-Betto D, Gorza L. Curcumin counteracts loss of force and atrophy of hindlimb unloaded rat soleus by hampering neuronal nitric oxide synthase untethering from sarcolemma. J Physiol 2014; 592:2637-52. [PMID: 24710058 DOI: 10.1113/jphysiol.2013.268672] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Antioxidant administration aimed to antagonize the development and progression of disuse muscle atrophy provided controversial results. Here we investigated the effects of curcumin, a vegetal polyphenol with pleiotropic biological activity, because of its ability to upregulate glucose-regulated protein 94 kDa (Grp94) expression in myogenic cells. Grp94 is a sarco-endoplasmic reticulum chaperone, the levels of which decrease significantly in unloaded muscle. Rats were injected intraperitoneally with curcumin and soleus muscle was analysed after 7 days of hindlimb unloading or standard caging. Curcumin administration increased Grp94 protein levels about twofold in muscles of ambulatory rats (P < 0.05) and antagonized its decrease in unloaded ones. Treatment countered loss of soleus mass and myofibre cross-sectional area by approximately 30% (P ≤ 0.02) and maintained a force-frequency relationship closer to ambulatory levels. Indexes of muscle protein and lipid oxidation, such as protein carbonylation, revealed by Oxyblot, and malondialdehyde, measured with HPLC, were significantly blunted in unloaded treated rats compared to untreated ones (P = 0.01). Mechanistic involvement of Grp94 was suggested by the disruption of curcumin-induced attenuation of myofibre atrophy after transfection with antisense grp94 cDNA and by the drug-positive effect on the maintenance of the subsarcolemmal localization of active neuronal nitric oxide synthase molecules, which were displaced to the sarcoplasm by unloading. The absence of additive effects after combined administration of a neuronal nitric oxide synthase inhibitor further supported curcumin interference with this pro-atrophic pathway. In conclusion, curcumin represents an effective and safe tool to upregulate Grp94 muscle levels and to maintain muscle function during unweighting.
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Affiliation(s)
| | - Elena Germinario
- Department of Biomedical Sciences, University of Padova, Padova, Italy Interuniversity Institute of Myology, Italy
| | - Barbara Ravara
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | | | - Daniela Danieli-Betto
- Department of Biomedical Sciences, University of Padova, Padova, Italy Interuniversity Institute of Myology, Italy
| | - Luisa Gorza
- Department of Biomedical Sciences, University of Padova, Padova, Italy
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Lei Y, Henderson BR, Emmanuel C, Harnett PR, deFazio A. Inhibition of ANKRD1 sensitizes human ovarian cancer cells to endoplasmic reticulum stress-induced apoptosis. Oncogene 2014; 34:485-95. [PMID: 24531715 DOI: 10.1038/onc.2013.566] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 11/30/2013] [Accepted: 12/07/2013] [Indexed: 02/07/2023]
Abstract
High expression of Ankyrin Repeat Domain 1 (ANKRD1) in ovarian carcinoma is associated with poor survival, and in ovarian cancer cell lines is associated with platinum resistance. Importantly, decreasing ANKRD1 expression using siRNA increases cisplatin sensitivity. In this study, we investigated possible mechanisms underlying the association of ANKRD1 with cisplatin response. We first demonstrated that cisplatin-induced apoptosis in ovarian cancer cell lines was associated with endoplasmic reticulum (ER) stress, evidenced by induction of Glucose-Regulated Protein 78 (GRP78), growth arrest- and DNA damage-inducible gene 153 (GADD153) and increased intracellular Ca(2+) release. The level of sensitivity to cisplatin-induced apoptosis was associated with ANKRD1 protein levels and poly (ADP-ribose) polymerase (PARP) cleavage. COLO 316 ovarian cancer cells, which express high ANKRD1 levels, were relatively resistant to cisplatin, and ER stress-induced apoptosis, whereas OAW42 and PEO14 cells, which express lower ANKRD1 levels, are more sensitive to ER stress-induced apoptosis. Furthermore, we show that overexpression of ANKRD1 attenuated cisplatin-induced cytotoxicity, and conversely siRNA knockdown of ANKRD1 sensitized ovarian cancer cells to cisplatin and ER stress-induced apoptosis associated with induction of GADD153, and downregulation of BCL2 and BCL-XL. Taken together, these results suggest that ANKRD1 has a significant role in the regulation of apoptosis in human ovarian cancer cells, and is a potential molecular target to enhance sensitivity of ovarian cancer to chemotherapy.
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Affiliation(s)
- Y Lei
- 1] Department of Gynaecological Oncology, Westmead Hospital, Westmead, New South Wales, Australia [2] Westmead Institute for Cancer Research, University of Sydney at the Westmead Millennium Institute, Westmead, New South Wales, Australia
| | - B R Henderson
- Westmead Institute for Cancer Research, University of Sydney at the Westmead Millennium Institute, Westmead, New South Wales, Australia
| | - C Emmanuel
- 1] Department of Gynaecological Oncology, Westmead Hospital, Westmead, New South Wales, Australia [2] Westmead Institute for Cancer Research, University of Sydney at the Westmead Millennium Institute, Westmead, New South Wales, Australia
| | - P R Harnett
- 1] Westmead Institute for Cancer Research, University of Sydney at the Westmead Millennium Institute, Westmead, New South Wales, Australia [2] Crown Princess Mary Cancer Centre, Westmead Hospital, Westmead, New South Wales, Australia
| | - A deFazio
- 1] Department of Gynaecological Oncology, Westmead Hospital, Westmead, New South Wales, Australia [2] Westmead Institute for Cancer Research, University of Sydney at the Westmead Millennium Institute, Westmead, New South Wales, Australia [3] Crown Princess Mary Cancer Centre, Westmead Hospital, Westmead, New South Wales, Australia
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Uncoupling protein 2 deficiency aggravates astrocytic endoplasmic reticulum stress and nod-like receptor protein 3 inflammasome activation. Neurobiol Aging 2014; 35:421-30. [DOI: 10.1016/j.neurobiolaging.2013.08.015] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 08/02/2013] [Accepted: 08/16/2013] [Indexed: 01/07/2023]
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Nabavi SF, Daglia M, Moghaddam AH, Habtemariam S, Nabavi SM. Curcumin and Liver Disease: from Chemistry to Medicine. Compr Rev Food Sci Food Saf 2013; 13:62-77. [DOI: 10.1111/1541-4337.12047] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 09/23/2013] [Indexed: 02/06/2023]
Affiliation(s)
- Seyed Fazel Nabavi
- Applied Biotechnology Research Center; Baqiyatallah Univ. of Medical Sciences; Tehran Iran
| | - Maria Daglia
- Dept. of Drug Sciences; Univ. of Pavia, Medicinal Chemistry and Pharmaceutical Technology Section; via Taramelli 12 27100 Pavia Italy
| | - Akbar Hajizadeh Moghaddam
- Amol Univ. of Special Modern Technologies; Amol Iran
- Dept. of Biology; Faculty of basic science; Univ. of Mazandaran; Babolsar Iran
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories; Medway School of Science, Univ. of Greenwich; Central Ave. Chatham-Maritime Kent ME4 4TB U.K
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center; Baqiyatallah Univ. of Medical Sciences; Tehran Iran
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Antoine F, Girard D. Mechanisms involved in curcumin-induced human neutrophil apoptosis: Evidence that curcumin activates the endoplasmic reticulum stress-induced cell apoptosis pathway. SAGE Open Med 2013; 1:2050312113488104. [PMID: 26770672 PMCID: PMC4687759 DOI: 10.1177/2050312113488104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Curcumin was previously reported to accelerate neutrophil apoptosis, but the
mechanism is unclear. Herein, we confirmed that curcumin induces human
neutrophil apoptosis as assessed by cytology and by increase in the cell surface
expression of annexin-V and CD16 shedding. Curcumin activated caspase-3 and the
cleavage of the two cytoskeletal proteins lamin B1 and vimentin. In
addition, curcumin activated protein kinase RNA-like endoplasmic reticulum
kinase and eukaryotic initiation factor 2 alpha and reduced de novo protein
synthesis and the protein expression of the two chaperone proteins, HSP70 and
HSP90. We conclude that curcumin acts as an endoplasmic reticulum stressor in
human neutrophils. The ability of curcumin to activate the endoplasmic reticulum
stress-induced cell apoptotic pathway is part of its mode of action in primary
cells like mature neutrophils.
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Affiliation(s)
- Francis Antoine
- Laboratoire de recherche en inflammation et physiologie des granulocytes, INRS-Institut Armand-Frappier, Université du Québec, Laval, QC, Canada
| | - Denis Girard
- Laboratoire de recherche en inflammation et physiologie des granulocytes, INRS-Institut Armand-Frappier, Université du Québec, Laval, QC, Canada
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Cheng Y, Ren X, Zhang Y, Shan Y, Huber-Keener KJ, Zhang L, Kimball SR, Harvey H, Jefferson LS, Yang JM. Integrated regulation of autophagy and apoptosis by EEF2K controls cellular fate and modulates the efficacy of curcumin and velcade against tumor cells. Autophagy 2012. [PMID: 23182879 DOI: 10.4161/auto.22801] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Endoplasmic reticulum (ER) stress induces both autophagy and apoptosis yet the molecular mechanisms and pathways underlying the regulation of these two cellular processes in cells undergoing ER stress remain less clear. We report here that eukaryotic elongation factor-2 kinase (EEF2K) is a critical controller of the ER stress-induced autophagy and apoptosis in tumor cells. DDIT4, a stress-induced protein, was required for transducing the signal for activation of EEF2K under ER stress. We further showed that phosphorylation of EEF2K at Ser398 was essential for induction of autophagy, while phosphorylation of the kinase at Ser366 and Ser78 exerted an inhibitory effect on autophagy. Suppression of the ER stress-activated autophagy via silencing of EEF2K aggravated ER stress and promoted apoptotic cell death in tumor cells. Moreover, inhibiting EEF2K by either RNAi or NH125, a small molecule inhibitor of the enzyme, rendered tumor cells more sensitive to curcumin and velcade, two anticancer agents that possess ER stress-inducing action. Our study indicated that the DDIT4-EEF2K pathway was essential for inducing autophagy and for determining the fate of tumor cells under ER stress, and suggested that inhibiting the EEF2K-mediated autophagy can deteriorate ER stress and lead to a greater apoptotic response, thereby potentiating the efficacy of the ER stress-inducing agents against cancer.
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Affiliation(s)
- Yan Cheng
- Department of Pharmacology, Penn State Hershey Cancer Institute, Pennsylvania State University College of Medicine and Milton S. Hershey Medical Center, Hershey, PA, USA.
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A novel proteasome inhibitor acting in mitochondrial dysfunction, ER stress and ROS production. Invest New Drugs 2012; 31:493-505. [PMID: 22975862 PMCID: PMC3644403 DOI: 10.1007/s10637-012-9871-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 08/16/2012] [Indexed: 12/23/2022]
Abstract
In cancer-treatment, potentially therapeutic drugs trigger their effects through apoptotic mechanisms. Generally, cell response is manifested by Bcl-2 family protein regulation, the impairment of mitochondrial functions, and ROS production. Notwithstanding, several drugs operate through proteasome inhibition, which, by inducing the accumulation and aggregation of misfolded or unfolded proteins, can lead to endoplasmic reticulum (ER) stress. Accordingly, it was shown that Amblyomin-X, a Kunitz-type inhibitor identified in the transcriptome of the Amblyomma cajennense tick by ESTs sequence analysis of a cDNA library, obtained in recombinant protein form, induces apoptosis in murine renal adenocarcinoma (RENCA) cells by: inducing imbalance between pro- and anti-apoptotic Bcl-2 family proteins, dysfunction/mitochondrial damage, production of reactive oxygen species (ROS), caspase cascade activation, and proteasome inhibition, all ER-stress inductive. Moreover, there was no manifest action on normal mouse-fibroblast cells (NHI3T3), suggesting an Amblyomin-X tumor-cell selectivity. Taken together, these evidences indicate that Amblyomin-X could be a promising candidate for cancer therapy.
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Chen MB, Wu XY, Tao GQ, Liu CY, Chen J, Wang LQ, Lu PH. Perifosine sensitizes curcumin-induced anti-colorectal cancer effects by targeting multiple signaling pathways bothin vivoandin vitro. Int J Cancer 2012; 131:2487-98. [DOI: 10.1002/ijc.27548] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Accepted: 03/02/2012] [Indexed: 01/05/2023]
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Curcumin-induced apoptosis in human hepatocellular carcinoma j5 cells: critical role of ca(+2)-dependent pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:512907. [PMID: 22606206 PMCID: PMC3347719 DOI: 10.1155/2012/512907] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2011] [Revised: 12/01/2011] [Accepted: 12/18/2011] [Indexed: 12/17/2022]
Abstract
The antitumor effects of curcumin, a natural biologically active compound extracted from rhizomes of Curcuma longa, have been studied in many cancer cell types including human hepatocellular carcinoma (HCC). Here, we investigated the effects of Ca2+ on curcumin-induced apoptosis in human HCC J5 cells. The abrogation of mitochondrial membrane potential (ΔΨm), the increase of reactive oxygen species (ROS) production, and calcium release were demonstrated with flow cytometry as early as 15 minutes after curcumin treatment. In addition, an increase level of cytochrome c in the cytoplasm which led to DNA fragmentation was observed. To verify the role of Ca2+ in curcumin-induced apoptosis, 1,2-bis(o-aminophenoxy)ethane-N,N,N′,N′-tetraacetic acid (BAPTA), an intracellular calcium chelator, was applied. Cell viability was increased, but ΔΨm, ROS production, activation of caspase 3, and cell death were decreased in J5 cells pretreated with BAPTA for 2 h followed by the treatment of 25 μM curcumin. These results suggest that the curcumin-induced apoptosis in human HCC J5 cells is via mitochondria-dependent pathway and is closely related to the level of intracellular accumulation of calcium.
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Kaddour-Djebbar I, Choudhary V, Lakshmikanthan V, Shirley R, El Gaish M, Al-Shabrawey M, Al-Husein B, Zhong R, Davis M, Dong Z, Bollag WB, Kumar MV. Diltiazem enhances the apoptotic effects of proteasome inhibitors to induce prostate cancer cell death. J Pharmacol Exp Ther 2012; 341:646-55. [PMID: 22393247 DOI: 10.1124/jpet.111.188151] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Diltiazem is a calcium channel blocker used to treat cardiovascular ailments. In addition, reports suggest that diltiazem induces cell death, which could make it a drug of choice for the treatment of cancer associated with hypertension. The goal of this research was to determine whether diltiazem is capable of inducing apoptosis in prostate cancer cells, either alone or in combination with the proteasome inhibitors, lactacystin and bortezomib (Velcade). Bortezomib is approved for the treatment of multiple myeloma; unfortunately, it has side effects that limit its utility. Presumably these side effects could be decreased by reducing its dose in combination with another drug. We have previously shown that lactacystin induces apoptosis in LNCaP cells; here, we show that this effect was enhanced by diltiazem. Furthermore, in proteasome inhibitor-resistant DU145 cells, diltiazem alone did not induce apoptosis but decreased cytosolic calcium levels and induced mitochondrial fission; likewise, lactacystin did not induce apoptosis but up-regulated the proapoptotic protein Bik. However, increasing concentrations of diltiazem in combination with lactacystin or bortezomib induced apoptosis in a dose-dependent and synergistic manner. The combination of diltiazem and lactacystin also up-regulated the levels of Bik and released Bak from Bcl-xL, indicating the involvement of the Bcl2 family pathway in this apoptosis. In addition, the drug combination up-regulated GRP78, suggesting also the involvement of endoplasmic reticulum stress in the apoptotic response. Thus, our results demonstrate a potential therapeutic advantage of combining a frequently used calcium channel blocker with proteasome inhibitors in the treatment of prostate cancer.
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Xiao J, Wang Y, Peng J, Guo L, Hu J, Cao M, Zhang X, Zhang H, Wang Z, Li X, Yang S, Yang H, Liang G. A synthetic compound, 1,5-bis(2-methoxyphenyl)penta-1,4-dien-3-one (B63), induces apoptosis and activates endoplasmic reticulum stress in non-small cell lung cancer cells. Int J Cancer 2012; 131:1455-65. [PMID: 22189907 DOI: 10.1002/ijc.27406] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 12/09/2011] [Indexed: 02/04/2023]
Abstract
Endoplasmic reticulum (ER) stress-induced cancer cell apoptosis has become a novel signaling target for the development of therapeutic drugs for cancer treatment. Curcumin, a dietary phytochemical, exhibits growth-suppressive activity against cancer cells via multitarget mechanisms. However, the low stability and poor pharmacokinetics significantly limit its clinical applications. Thus, we designed and synthesized a novel monocarbonyl analog of curcumin, 1,5-bis(2-methoxyphenyl) penta-1,4-dien-3-one (B63). This compound exhibited a higher chemical stability in cultural medium and a better intracellular profile than curcumin. Treatment with B63 potently induced apoptosis of human non-small cell lung cancer (NSCLC) cells in a dose-responsive manner, while exhibiting no cytotoxicity in normal lung fibroblast cells. Its antitumor effect was associated with the ER stress-mediated apoptotic pathway and, ultimately, the activation of the caspase cascades. However, curcumin at the same concentrations did not cause ER stress in H460 cells. Further, C/EBP homologous protein knockdown by siRNA attenuated B63-induced cell apoptosis, indicating that the apoptotic pathway is ER stress-dependent. In vivo, the volume and weight of the tumor were reduced significantly by pretreating the H460 tumor cells with B63 before implantation. Taken together, these insights on the novel compound B63, from both chemical and biological perspectives, may provide a novel anticancer candidate for the treatment of NSCLC.
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Affiliation(s)
- Jian Xiao
- Bioorganic & Medicinal Chemistry Research Center, Zhejiang Key Laboratory of Biotechnology Pharmaceutical Engineering, School of Pharmacy, Wenzhou Medical College, Wenzhou, People's Republic of China
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44
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Yan Z, Hoffmann A, Kaiser EK, Grunwald WC, Cool DR. Misfolding of Mutated Vasopressin Causes ER-Retention and Activation of ER-Stress Markers in Neuro-2a Cells. ACTA ACUST UNITED AC 2011; 4:136-146. [PMID: 24567768 PMCID: PMC3932059 DOI: 10.2174/1876528901104010136] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Arginine-vasopressin (AVP) is a peptide hormone normally secreted from neuroendocrine cells via the regulated secretory pathway. In Familial Neurohypophyseal Diabetes Insipidus (FNDI), an autosomal dominant form of central diabetes insipidus, mutations of pro-vasopressin appear to accumulate in the endoplasmic reticulum (ER) causing a lack of biologically active AVP in the blood. To investigate the effect of pro-vasopressin mutations regarding intracellular functions of protein targeting and secretion, we created two FNDI-associated amino acid substitution mutants, e.g., G14R, and G17V in frame with green fluorescent protein (GFP) and pro-vasopressin (VP) in frame with red fluorescent protein (VP-RFP). Fluorescence microscopy of Neuro-2a cells expressing these constructs revealed co-localization of VP-GFP and VP-RFP to punctate granules along the length and accumulating at the tips of neurites, characteristic of regulated secretory granules. In contrast, the two FNDI-associated amino acid substitution mutants, e.g., G14R-GFP, and G17VGFP, were localized to a perinuclear region of the Neuro-2a cells characteristic of the endoplasmic reticulum. Co-expression of these mutants with VP-RFP showed VP-RFP was retained in the ER, co-localized with the mutants suggesting the formation of heterodimers as found in FNDI. Stimulated secretion experiments indicated that VP-GFP was secreted in an inducible manner whereas, G14R-GFP and G17V-GFP were retained to nearly 100% within the cells. Analysis by western blotting and semi-quantitative RT-PCR indicated an increased protein and mRNA expression for an ER resident molecular chaperone, BiP. Further analysis of ER-storage disease-associated proteins such as caspase 12 and CHOP showed an increase in these as well. The results suggest that G14R-GFP and G17V-GFP are retained in the ER of Neuro-2a cells, resulting in up-regulation of the molecular chaperone BiP, and activation of the ER-storage disease-associated caspase cascade system.
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Affiliation(s)
- Zhongyu Yan
- Department of Pharmacology & Toxicology, Wright State University, Dayton, OH 45435
| | - Andrea Hoffmann
- Department of Pharmacology & Toxicology, Wright State University, Dayton, OH 45435
| | - Erin Kelly Kaiser
- Department of Pharmacology & Toxicology, Wright State University, Dayton, OH 45435
| | - William C Grunwald
- Department of Pharmacology & Toxicology, Wright State University, Dayton, OH 45435
| | - David R Cool
- Department of Pharmacology & Toxicology, Wright State University, Dayton, OH 45435
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Mito S, Thandavarayan RA, Ma M, Lakshmanan A, Suzuki K, Kodama M, Watanabe K. Inhibition of cardiac oxidative and endoplasmic reticulum stress-mediated apoptosis by curcumin treatment contributes to protection against acute myocarditis. Free Radic Res 2011; 45:1223-31. [DOI: 10.3109/10715762.2011.607252] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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46
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Poksay KS, Banwait S, Crippen D, Mao X, Bredesen DE, Rao RV. The small chaperone protein p23 and its cleaved product p19 in cellular stress. J Mol Neurosci 2011; 46:303-14. [PMID: 21691801 DOI: 10.1007/s12031-011-9574-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2011] [Accepted: 06/06/2011] [Indexed: 02/07/2023]
Abstract
The presence of misfolded proteins elicits cellular responses including an endoplasmic reticulum (ER) stress response that may protect cells against the toxic buildup of misfolded proteins. Accumulation of these proteins in excessive amounts, however, overwhelms the "cellular quality control" system and impairs the protective mechanisms designed to promote correct folding and degrade misfolded proteins, ultimately leading to organelle dysfunction and cell death. Studies from multiple laboratories have identified the roles of several ER stress-induced cell death modulators and effectors. Earlier, we reported the role of the small co-chaperone protein p23 in preventing ER stress-induced cell death. p23 undergoes caspase-dependent cleavage to yield a 19-kD product (p19), and mutation of this caspase cleavage site not only blocks the formation of the 19-kD product but also attenuates the ER stress-induced cell death process triggered by various stressors. Thus, a critical question is whether p23 and/or p19 could serve as an in vivo marker for neurodegenerative diseases featuring misfolded proteins and cellular stress. In the present study, we used an antibody that recognizes both p23 and p19 as well as a specific neo-epitope antibody that detects only the p19 fragment. These antibodies were used to detect the presence of both these proteins in cells, primary neurons, brain samples from a mouse model of Alzheimer's disease (AD), and fixed human AD brain samples. While patients with severe AD did display a consistent reduction in p23 levels, our inability to observe p19 in mouse or human AD brain samples suggests that the usefulness of the p23 neo-epitope antibody is restricted to cells and primary neurons undergoing cellular stress.
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Affiliation(s)
- Karen S Poksay
- The Buck Institute for Research on Aging, 8001 Redwood Blvd, Novato, CA 94945, USA
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47
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Mekahli D, Bultynck G, Parys JB, De Smedt H, Missiaen L. Endoplasmic-reticulum calcium depletion and disease. Cold Spring Harb Perspect Biol 2011; 3:a004317. [PMID: 21441595 PMCID: PMC3098671 DOI: 10.1101/cshperspect.a004317] [Citation(s) in RCA: 329] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The endoplasmic reticulum (ER) as an intracellular Ca(2+) store not only sets up cytosolic Ca(2+) signals, but, among other functions, also assembles and folds newly synthesized proteins. Alterations in ER homeostasis, including severe Ca(2+) depletion, are an upstream event in the pathophysiology of many diseases. On the one hand, insufficient release of activator Ca(2+) may no longer sustain essential cell functions. On the other hand, loss of luminal Ca(2+) causes ER stress and activates an unfolded protein response, which, depending on the duration and severity of the stress, can reestablish normal ER function or lead to cell death. We will review these various diseases by mainly focusing on the mechanisms that cause ER Ca(2+) depletion.
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Affiliation(s)
- Djalila Mekahli
- Laboratory of Molecular and Cellular Signaling, Department of Molecular Cell Biology, KU Leuven Campus Gasthuisberg O&N I, Belgium
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48
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Wang Y, Xiao J, Zhou H, Yang S, Wu X, Jiang C, Zhao Y, Liang D, Li X, Liang G. A novel monocarbonyl analogue of curcumin, (1E,4E)-1,5-bis(2,3-dimethoxyphenyl)penta-1,4-dien-3-one, induced cancer cell H460 apoptosis via activation of endoplasmic reticulum stress signaling pathway. J Med Chem 2011; 54:3768-78. [PMID: 21504179 DOI: 10.1021/jm200017g] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Endoplasmic reticulum (ER) stress-induced cancer cell apoptosis has become a novel signaling target for development of cancer therapeutic drugs. Curcumin exhibits growth-suppressive activity against a variety of cancer cells. We previously synthesized a series of monocarbonyl analogues of curcumin with strong cytotoxicity against tumor cells. In this study, we found that only compound 19 [(1E,4E)-1,5-bis(2,3-dimethoxyphenyl)penta-1,4-dien-3-one] can induce C/EBP-homologous protein (CHOP) expression in human lung cancer H460 cells. Treatment with 19 induced H460 cell apoptosis in a dose-responsive manner, and this effect was associated with corresponding increases in a series of key components in ER stress-mediated apoptosis pathway, followed by caspase cleavage and activation. However, curcumin at the same concentrations does not display such properties. CHOP knockdown by specific siRNA attenuated 19-induced cell apoptosis, further indicating that the apoptotic pathway is ER stress-dependent. In vivo, 19 showed a dramatic 53.5% reduction in H460 xenograft tumor size after 22 days of treatment. Taken together, these mechanistic insights on the novel compound 19, with nontoxicity, may provide us with a novel anticancer candidate.
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Affiliation(s)
- Yi Wang
- Wenzhou Medical College, Wenzhou 325035, People's Republic of China
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49
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Syed DN, Mukhtar H. Botanicals for the prevention and treatment of cutaneous melanoma. Pigment Cell Melanoma Res 2011; 24:688-702. [PMID: 21426532 DOI: 10.1111/j.1755-148x.2011.00851.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Cutaneous melanoma, a cancer of melanocytes, when detected at later stages is arguably one of the most lethal cancers and the cause of more years of lost life than any other cancer among young adults. There is no standard therapy for advanced-stage melanoma and the median survival time for patients with metastatic melanoma is <1 yr. An urgent need for novel strategies against melanoma has directed research towards the development of new chemotherapeutic and biologic agents that can target the tumor by several different mechanisms. Recently, several dietary agents are being investigated for their role in the prevention and treatment of various forms of cancer and may represent the future modality of the treatment. Here, we have reviewed emerging data on botanicals that are showing promise for their potential inhibitory effect against cutaneous melanoma.
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Affiliation(s)
- Deeba N Syed
- Department of Dermatology, University of Wisconsin, Madison, WI, USA
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50
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Eom KS, Kim HJ, So HS, Park R, Kim TY. Berberine-induced apoptosis in human glioblastoma T98G cells is mediated by endoplasmic reticulum stress accompanying reactive oxygen species and mitochondrial dysfunction. Biol Pharm Bull 2011; 33:1644-9. [PMID: 20930370 DOI: 10.1248/bpb.33.1644] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Berberine has a wide range of biochemical and pharmacologic effects, including antitumor activity, but the mechanisms involved in berberine-induced apoptosis remain unclear. The purpose of the present study was to investigate the changes in oxidative stress and endoplasmic reticulum (ER)-related molecules, which are closely associated with cell death-signaling transduction pathways, in human glioblastoma T98G cells treated with berberine. Berberine significantly decreased the cell viability of T98G cells in a dose-dependent manner. Berberine increased the production of reactive oxygen species (ROS) and level of intracellular Ca(2+). Berberine induced ER stress as evidenced by the detection of ER stress-associated molecules such as phosphorylated protein kinase-like ER kinase, eukaryotic translation initiation factor-2α, glucose-regulated protein 78/immunoglobulin heavy chain-binding protein, and CCAAT/enhancer-binding protein (C/EBP)-homologous protein/growth arrest and DNA damage-inducible gene 153, which was associated with the activation of caspase-3. Furthermore, the administration of the antioxidants, N-acetylcysteine and glutathione, reversed berberine-induced apoptosis. Berberine also markedly enhanced apoptosis in T98G cells through the induction of a higher ratio of Bax/Bcl-2 proteins, disruption of the mitochondrial membrane potential, activation of caspase-9 and -3, and cleavage of the poly(ADP-ribose) polymerase (PARP). The inhibition of ER stress using salubrinal led to an increased the level of Bcl-2, whereas the level of Bax, cleavage of procaspase-9 and -3, and PARP were decreased when compared with cells treated with berberine alone, indicating that berberine-induced apoptosis is associated with mitochondrial dysfunction. These results demonstrate that berberine induces apoptosis via ER stress through the elevation of ROS and mitochondrial-dependent pathway in human glioblastoma T98G cells.
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Affiliation(s)
- Ki Seong Eom
- Department of Neurosurgery, Wonkwang University, Iksan, Jeonbuk 570–711, Republic of Korea
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