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Islam R, Yen KP, Rani NN'IM, Hossain MS. Recent advancement in developing small molecular inhibitors targeting key kinase pathways against triple-negative breast cancer. Bioorg Med Chem 2024; 112:117877. [PMID: 39159528 DOI: 10.1016/j.bmc.2024.117877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 08/05/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024]
Abstract
Triple-negative breast cancer (TNBC) stands out as the most formidable variant of breast cancer, predominantly affecting younger women and characterized by a bleak outlook and a high likelihood of spreading. The absence of safe and effective targeted treatments leaves standard cytotoxic chemotherapy as the primary option. The role of protein kinases, frequently altered in many cancers, is significant in the advancement and drug resistance of TNBC, making them a logical target for creating new, potent therapies against TNBC. Recently, an array of promising small molecules aimed at various kinases have been developed specifically for TNBC, with combination studies showing a synergistic improvement in combatting this condition. This review underscores the effectiveness of small molecule kinase inhibitors in battling the most lethal form of breast cancer and sheds light on prospective pathways for crafting novel treatments.
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Affiliation(s)
- Rajibul Islam
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Selangor Darul Ehsan 47500, Malaysia.
| | - Khor Poh Yen
- Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur, Royal College of Medicine Perak, 30450 Ipoh, Perak, Malaysia
| | - Nur Najihah 'Izzati Mat Rani
- Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur, Royal College of Medicine Perak, 30450 Ipoh, Perak, Malaysia
| | - Md Selim Hossain
- Vascular Biology Centre, Medical College of Georgia, Augusta University, Augusta, GA, USA
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2
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Lin W, Wang X, Diao M, Wang Y, Zhao R, Chen J, Liao Y, Long Q, Meng Y. Promoting reactive oxygen species accumulation to overcome tyrosine kinase inhibitor resistance in cancer. Cancer Cell Int 2024; 24:239. [PMID: 38982494 PMCID: PMC11234736 DOI: 10.1186/s12935-024-03418-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 06/22/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUND In tumor treatment, protein tyrosine kinase inhibitors (TKIs) have been extensively utilized. However, the efficacy of TKI is significantly compromised by drug resistance. Consequently, finding an effective solution to overcome TKI resistance becomes crucial. Reactive oxygen species (ROS) are a group of highly active molecules that play important roles in targeted cancer therapy including TKI targeted therapy. In this review, we concentrate on the ROS-associated mechanisms of TKI lethality in tumors and strategies for regulating ROS to reverse TKI resistance in cancer. MAIN BODY Elevated ROS levels often manifest during TKI therapy in cancers, potentially causing organelle damage and cell death, which are critical to the success of TKIs in eradicating cancer cells. However, it is noteworthy that cancer cells might initiate resistance pathways to shield themselves from ROS-induced damage, leading to TKI resistance. Addressing this challenge involves blocking these resistance pathways, for instance, the NRF2-KEAP1 axis and protective autophagy, to promote ROS accumulation in cells, thereby resensitizing drug-resistant cancer cells to TKIs. Additional effective approaches inducing ROS generation within drug-resistant cells and providing exogenous ROS stimulation. CONCLUSION ROS play pivotal roles in the eradication of tumor cells by TKI. Harnessing the accumulation of ROS to overcome TKI resistance is an effective and widely applicable approach.
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Affiliation(s)
- Wei Lin
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaojun Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Mingxin Diao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Yangwei Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Rong Zhao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Jiaping Chen
- Department of Cardiothoracic Surgery, Third Affiliated Hospital of Kunming Medical University (Yunnan Cancer Hospital), Kunming, Yunnan, China
| | - Yongde Liao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China.
| | - Qinghong Long
- Department of Internal Medicine, Renmin Hospital, Wuhan University, Wuhan, 430022, China.
| | - Yunchong Meng
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China.
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Venkatesh J, Muthu M, Singaravelu I, Cheriyan VT, Sekhar SC, Acharige NCPN, Levi E, Assad H, Pflum MKH, Rishi AK. Phosphorylation of cell cycle and apoptosis regulatory protein-1 by stress activated protein kinase P38γ is a novel mechanism of apoptosis signaling by genotoxic chemotherapy. Front Oncol 2024; 14:1376666. [PMID: 38756656 PMCID: PMC11096501 DOI: 10.3389/fonc.2024.1376666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/08/2024] [Indexed: 05/18/2024] Open
Abstract
CARP-1, a perinuclear phospho-protein, regulates cell survival and apoptosis signaling induced by genotoxic drugs. However, kinase(s) phosphorylating CARP-1 and down-stream signal transduction events remain unclear. Here we find that CARP-1 Serine (S)626 and Threonine (T)627 substitution to Alanines (AA) inhibits genotoxic drug-induced apoptosis. CARP-1 T627 is followed by a Proline (P), and this TP motif is conserved in vertebrates. Based on these findings, we generated affinity-purified, anti-phospho-CARP-1 T627 rabbit polyclonal antibodies, and utilized them to elucidate chemotherapy-activated, CARP-1-dependent cell growth signaling mechanisms. Our kinase profiling studies revealed that MAPKs/SAPKs phosphorylated CARP-1 T627. We then UV cross-linked protein extracts from Adriamycin-treated HeLa cervical cancer cells with a CARP-1 (614-638) peptide, and conducted liquid chromatography-tandem mass spectrometry (LC-MS/MS) analyses of the peptide-bound protein complexes. This experiment revealed SAPK p38γ interaction with CARP-1 (614-638) peptide. Our studies further established that SAPK p38γ, but not other MAPKs, phosphorylates CARP-1 T627 in cancer cells treated with genotoxic drugs. Loss of p38γ abrogates CARP-1 T627 phosphorylation, and results in enhanced survival of breast cancer cells by genotoxic drugs. CARP-1 T627 phosphorylation was also noted in breast tumors from patients treated with radiation or endocrine therapies. We conclude that genotoxic drugs activate p38γ-dependent CARP-1 T627 phosphorylation to inhibit cell growth.
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Affiliation(s)
- Jaganathan Venkatesh
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Magesh Muthu
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Indulekha Singaravelu
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Vino T. Cheriyan
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Sreeja C. Sekhar
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | | | - Edi Levi
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Department of Pathology, Wayne State University, Detroit, MI, United States
| | - Hadeel Assad
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Mary Kay H. Pflum
- Department of Chemistry, Wayne State University, Detroit, MI, United States
| | - Arun K. Rishi
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
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Shi JY, Che X, Wen R, Hou SJ, Xi YJ, Feng YQ, Wang LX, Liu SJ, Lv WH, Zhang YF. Ferroptosis biomarkers predict tumor mutation burden's impact on prognosis in HER2-positive breast cancer. World J Clin Oncol 2024; 15:391-410. [PMID: 38576597 PMCID: PMC10989258 DOI: 10.5306/wjco.v15.i3.391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/14/2024] [Accepted: 02/03/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Ferroptosis has recently been associated with multiple degenerative diseases. Ferroptosis induction in cancer cells is a feasible method for treating neoplastic diseases. However, the association of iron proliferation-related genes with prognosis in HER2+ breast cancer (BC) patients is unclear. AIM To identify and evaluate fresh ferroptosis-related biomarkers for HER2+ BC. METHODS First, we obtained the mRNA expression profiles and clinical information of HER2+ BC patients from the TCGA and METABRIC public databases. A four-gene prediction model comprising PROM2, SLC7A11, FANCD2, and FH was subsequently developed in the TCGA cohort and confirmed in the METABRIC cohort. Patients were stratified into high-risk and low-risk groups based on their median risk score, an independent predictor of overall survival (OS). Based on these findings, immune infiltration, mutations, and medication sensitivity were analyzed in various risk groupings. Additionally, we assessed patient prognosis by combining the tumor mutation burden (TMB) with risk score. Finally, we evaluated the expression of critical genes by analyzing single-cell RNA sequencing (scRNA-seq) data from malignant vs normal epithelial cells. RESULTS We found that the higher the risk score was, the worse the prognosis was (P < 0.05). We also found that the immune cell infiltration, mutation, and drug sensitivity were different between the different risk groups. The high-risk subgroup was associated with lower immune scores and high TMB. Moreover, we found that the combination of the TMB and risk score could stratify patients into three groups with distinct prognoses. HRisk-HTMB patients had the worst prognosis, whereas LRisk-LTMB patients had the best prognosis (P < 0.0001). Analysis of the scRNA-seq data showed that PROM2, SLC7A11, and FANCD2 were significantly differentially expressed, whereas FH was not, suggesting that these genes are expressed mainly in cancer epithelial cells (P < 0.01). CONCLUSION Our model helps guide the prognosis of HER2+ breast cancer patients, and its combination with the TMB can aid in more accurate assessment of patient prognosis and provide new ideas for further diagnosis and treatment.
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Affiliation(s)
- Jin-Yu Shi
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Xin Che
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- Department of Colorectal Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Rui Wen
- College of Pharmacy, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Si-Jia Hou
- Department of Neurology, The First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Yu-Jia Xi
- Department of Urology, The Second Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Yi-Qian Feng
- Department of Breast Surgery, The First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Ling-Xiao Wang
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- Department of Colorectal Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Shi-Jia Liu
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Wen-Hao Lv
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Ya-Fen Zhang
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
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Runa F, Ortiz-Soto G, de Barros NR, Kelber JA. Targeting SMAD-Dependent Signaling: Considerations in Epithelial and Mesenchymal Solid Tumors. Pharmaceuticals (Basel) 2024; 17:326. [PMID: 38543112 PMCID: PMC10975212 DOI: 10.3390/ph17030326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 04/01/2024] Open
Abstract
SMADs are the canonical intracellular effector proteins of the TGF-β (transforming growth factor-β). SMADs translocate from plasma membrane receptors to the nucleus regulated by many SMAD-interacting proteins through phosphorylation and other post-translational modifications that govern their nucleocytoplasmic shuttling and subsequent transcriptional activity. The signaling pathway of TGF-β/SMAD exhibits both tumor-suppressing and tumor-promoting phenotypes in epithelial-derived solid tumors. Collectively, the pleiotropic nature of TGF-β/SMAD signaling presents significant challenges for the development of effective cancer therapies. Here, we review preclinical studies that evaluate the efficacy of inhibitors targeting major SMAD-regulating and/or -interacting proteins, particularly enzymes that may play important roles in epithelial or mesenchymal compartments within solid tumors.
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Affiliation(s)
- Farhana Runa
- Department of Biology, California State University Northridge, Northridge, CA 91330, USA
| | | | | | - Jonathan A Kelber
- Department of Biology, California State University Northridge, Northridge, CA 91330, USA
- Department of Biology, Baylor University, Waco, TX 76706, USA
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6
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Ghanem A, Ali MA, Elkady MA, Abdel Mageed SS, El Hassab MA, El-Ashrey MK, Mohammed OA, Doghish AS. Rumex vesicarius L. boosts the effectiveness of sorafenib in triple-negative breast cancer by downregulating BCl2, mTOR, and JNK, and upregulating p21 expression. Pathol Res Pract 2023; 250:154807. [PMID: 37696244 DOI: 10.1016/j.prp.2023.154807] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND/AIM Triple-negative breast cancer (TNBC) is characterized by poor prognosis, rapid progression, serious clinical behavior, an elevated risk of metastasis, and resistance to standard treatments. Traditional medicine practitioners value Rumex vesicarius L. (RMV) for a variety of reasons, including the plant's antioxidant capabilities. Our study's goals were to ascertain the efficacy of RMV alone and in combination with sorafenib (SOR) against the aggressive TNBC cell line (MDA-MB-231) and use in vitro and in silico analysis to deduce the fundamental mechanism of action. METHODS In the current study, molecular operating environment (MOE, 2019.0102) software was used for performing molecular docking. The MTT (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay was used to determine the cytotoxicity of RMV, SOR or RMV/SOR combination against the TNBC cell line MDA-MB-231 cells. The effects of RMV, SOR, and RMV and SOR combining on mRNAs expressions of the target genes including mTOR, p21, JNK, and BCl2 were evaluated. In TNBC cells, the relative expressions of mRNAs of the genes were examined by using real-time quantitative polymerase chain reaction (RT-qPCR). RESULTS In our experiments, we discovered that both RMV extracts alone and in combination with SOR considerably reduced cancer cell proliferation (IC50 = 0.83 and 0.19 μM, respectively). Additionally, the expression of the tumor suppressor gene p21 was elevated whereas the expression of the invasion and anti-apoptosis genes BCl2, mTOR, and JNK were significantly decreased after treatment with RMV and SOR. Based on in silico analysis, it was found that RMV extract contains bioactive chemicals with a high affinity for inhibiting JNK and VEGFR-2. CONCLUSION In conclusion, in vitro and in silico investigations show that the RMV extract improves the anticancer efficiency of SOR through molecular processes involving the downregulation of mTOR, BCl2, and JNK1 and overexpression of p21 tumor suppressor gene. Finally, we suggest conducting additional in vivo investigations on RMV and its bioactive components to verify their potential in cancer therapy.
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Affiliation(s)
- Aml Ghanem
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohamed A Ali
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohamed A Elkady
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo 11231, Egypt.
| | - Sherif S Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mahmoud A El Hassab
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), SouthSinai, Ras Sudr 46612, Egypt
| | - Mohamed K El-Ashrey
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), SouthSinai, Ras Sudr 46612, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Egypt
| | - Osama A Mohammed
- Department of Clinical Pharmacology, College of Medicine, University of Bisha, Bisha 61922, Saudi Arabia
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo 11231, Egypt.
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Han Y, Katayama S, Futakuchi M, Nakamichi K, Wakabayashi Y, Sakamoto M, Nakayama J, Semba K. Targeting c-Jun Is a Potential Therapy for Luminal Breast Cancer Bone Metastasis. Mol Cancer Res 2023; 21:908-921. [PMID: 37310848 DOI: 10.1158/1541-7786.mcr-22-0695] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 01/30/2023] [Accepted: 06/08/2023] [Indexed: 06/15/2023]
Abstract
Luminal breast cancer has the highest bone metastasis frequency among all breast cancer subtypes; however, its metastatic mechanism has not been elucidated because of a lack of appropriate models. We have previously developed useful bone metastatic cell lines of luminal breast cancer using MCF7 cells. In this study, we characterized bone metastatic MCF7-BM cell lines and identified c-Jun as a novel bone metastasis marker of luminal breast cancer. The protein level of c-Jun was upregulated in MCF7-BM cells compared with that in parental cells, and its deficiency resulted in the suppression of tumor cell migration, transformation, and reduced osteolytic ability. In vivo, dominant-negative c-Jun exhibited smaller bone metastatic lesions and a lower metastatic frequency. Histologic analysis revealed that c-Jun expression was heterogeneous in bone metastatic lesions, whereas c-Jun overexpression mediated a vicious cycle between MCF7-BM cells and osteoclasts by enhancing calcium-induced migration and releasing the osteoclast activator BMP5. Pharmacological inhibition of c-Jun by the Jun amino-terminal kinase (JNK) inhibitor JNK-IN-8 effectively suppressed tumorigenesis and bone metastasis in MCF7-BM cells. Furthermore, c-Jun downstream signals were specifically correlated with the clinical prognosis of patients with the luminal subtype of breast cancer. Our results illustrate the potential benefits of a therapy that targets c-Jun to prevent bone metastasis in luminal breast cancer. IMPLICATIONS c-Jun expression mediates bone metastasis in luminal breast cancer by forming a vicious cycle in the bone microenvironment, which reveals potential strategies for subtype-specific bone metastasis therapy.
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Affiliation(s)
- Yuxuan Han
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Shota Katayama
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Mitsuru Futakuchi
- Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Kazuya Nakamichi
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Yutaro Wakabayashi
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Mai Sakamoto
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Jun Nakayama
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Laboratory of Integrative Oncology, National Cancer Center Research Institute, Tokyo, Japan
| | - Kentaro Semba
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
- Translational Research Center, Fukushima Medical University, Fukushima, Japan
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Non-kinase targeting of oncogenic c-Jun N-terminal kinase (JNK) signaling: the future of clinically viable cancer treatments. Biochem Soc Trans 2022; 50:1823-1836. [PMID: 36454622 PMCID: PMC9788565 DOI: 10.1042/bst20220808] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/28/2022] [Accepted: 11/15/2022] [Indexed: 01/09/2023]
Abstract
c-Jun N-terminal Kinases (JNKs) have been identified as key disease drivers in a number of pathophysiological settings and central oncogenic signaling nodes in various cancers. Their roles in driving primary tumor growth, positively regulating cancer stem cell populations, promoting invasion and facilitating metastatic outgrowth have led JNKs to be considered attractive targets for anti-cancer therapies. However, the homeostatic, apoptotic and tumor-suppressive activities of JNK proteins limit the use of direct JNK inhibitors in a clinical setting. In this review, we will provide an overview of the different JNK targeting strategies developed to date, which include various ATP-competitive, non-kinase and substrate-competitive inhibitors. We aim to summarize their distinct mechanisms of action, review some of the insights they have provided regarding JNK-targeting in cancer, and outline the limitations as well as challenges of all strategies that target JNKs directly. Furthermore, we will highlight alternate drug targets within JNK signaling complexes, including recently identified scaffold proteins, and discuss how these findings may open up novel therapeutic options for targeting discrete oncogenic JNK signaling complexes in specific cancer settings.
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9
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Xu Z, Chu M. Advances in Immunosuppressive Agents Based on Signal Pathway. Front Pharmacol 2022; 13:917162. [PMID: 35694243 PMCID: PMC9178660 DOI: 10.3389/fphar.2022.917162] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/02/2022] [Indexed: 12/13/2022] Open
Abstract
Immune abnormality involves in various diseases, such as infection, allergic diseases, autoimmune diseases, as well as transplantation. Several signal pathways have been demonstrated to play a central role in the immune response, including JAK/STAT, NF-κB, PI3K/AKT-mTOR, MAPK, and Keap1/Nrf2/ARE pathway, in which multiple targets have been used to develop immunosuppressive agents. In recent years, varieties of immunosuppressive agents have been approved for clinical use, such as the JAK inhibitor tofacitinib and the mTOR inhibitor everolimus, which have shown good therapeutic effects. Additionally, many immunosuppressive agents are still in clinical trials or preclinical studies. In this review, we classified the immunosuppressive agents according to the immunopharmacological mechanisms, and summarized the phase of immunosuppressive agents.
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Affiliation(s)
- Zhiqing Xu
- Department of Immunology, National Health Commission (NHC) Key Laboratory of Medical Immunology (Peking University), School of Basic Medical Sciences, Peking University, Beijing, China
- Department of Pharmacology, Jilin University, Changchun, China
| | - Ming Chu
- Department of Immunology, National Health Commission (NHC) Key Laboratory of Medical Immunology (Peking University), School of Basic Medical Sciences, Peking University, Beijing, China
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10
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Rumex Vesicarius L. extract improves the efficacy of doxorubicin in triple-negative breast cancer through inhibiting Bcl2, mTOR, JNK1 and augmenting p21 expression. INFORMATICS IN MEDICINE UNLOCKED 2022. [DOI: 10.1016/j.imu.2022.100869] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Pua LJW, Mai CW, Chung FFL, Khoo ASB, Leong CO, Lim WM, Hii LW. Functional Roles of JNK and p38 MAPK Signaling in Nasopharyngeal Carcinoma. Int J Mol Sci 2022; 23:ijms23031108. [PMID: 35163030 PMCID: PMC8834850 DOI: 10.3390/ijms23031108] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/11/2022] [Accepted: 01/11/2022] [Indexed: 02/05/2023] Open
Abstract
c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinase (MAPK) family members integrate signals that affect proliferation, differentiation, survival, and migration in a cell context- and cell type-specific way. JNK and p38 MAPK activities are found upregulated in nasopharyngeal carcinoma (NPC). Studies have shown that activation of JNK and p38 MAPK signaling can promote NPC oncogenesis by mechanisms within the cancer cells and interactions with the tumor microenvironment. They regulate multiple transcription activities and contribute to tumor-promoting processes, ranging from cell proliferation to apoptosis, inflammation, metastasis, and angiogenesis. Current literature suggests that JNK and p38 MAPK activation may exert pro-tumorigenic functions in NPC, though the underlying mechanisms are not well documented and have yet to be fully explored. Here, we aim to provide a narrative review of JNK and p38 MAPK pathways in human cancers with a primary focus on NPC. We also discuss the potential therapeutic agents that could be used to target JNK and p38 MAPK signaling in NPC, along with perspectives for future works. We aim to inspire future studies further delineating JNK and p38 MAPK signaling in NPC oncogenesis which might offer important insights for better strategies in diagnosis, prognosis, and treatment decision-making in NPC patients.
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Affiliation(s)
- Lesley Jia Wei Pua
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (L.J.W.P.); (C.-O.L.)
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
| | - Chun-Wai Mai
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
| | - Felicia Fei-Lei Chung
- Department of Medical Sciences, School of Medical and Life Sciences, Sunway University, Bandar Sunway 47500, Malaysia;
| | - Alan Soo-Beng Khoo
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
| | - Chee-Onn Leong
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (L.J.W.P.); (C.-O.L.)
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
- AGTC Genomics, Bukit Jalil, Kuala Lumpur 57000, Malaysia
| | - Wei-Meng Lim
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia
- Correspondence: (W.-M.L.); (L.-W.H.)
| | - Ling-Wei Hii
- Center for Cancer and Stem Cell Research, Development and Innovation (IRDI), Institute for Research, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (C.-W.M.); (A.S.-B.K.)
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia
- Correspondence: (W.-M.L.); (L.-W.H.)
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12
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Elia SG, Al-Karmalawy AA, Nasr MY, Elshal MF. Loperamide potentiates doxorubicin sensitivity in triple-negative breast cancer cells by targeting MDR1 and JNK and suppressing mTOR and Bcl-2: In vitro and molecular docking study. J Biochem Mol Toxicol 2021; 36:e22938. [PMID: 34719826 DOI: 10.1002/jbt.22938] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 08/09/2021] [Accepted: 10/18/2021] [Indexed: 02/05/2023]
Abstract
Multidrug resistance (MDR) is the leading cause of treatment failure in triple-negative breast cancer (TNBC) patients treated with doxorubicin (DXR). We aimed to investigate the potential of the antidiarrheal drug Loperamide (LPR) in sensitizing TNBC cells to DXR and elucidate the underlying molecular mechanisms. Therefore, we examined the effects of DXR alone or in combination with LPR on MDA-MD-231 cells viability using MTT assay, cell cycle, and apoptosis by flow cytometry, and the expression of the MDR-related genes (MDR1 and JNK1) and cell cycle/survival genes (p21, mTOR, and Bcl-2) by quantitative reverse transcription polymerase chain reaction. Results showed that adding LPR to DXR potentiated its antiproliferation effect and reduced its IC50 by twofolds compared with DXR alone. The value of the combination index of LPR/DXR was <1 indicating a synergistic effect. Combined DXR/LPR treatment also caused G1 arrest and potentiated apoptosis more than DXR-single treatment. At the molecular levels, LPR/DXR treatment downregulated the mRNA of MDR1 (1.35-folds), JNK1 (2.5-folds), mTOR (6.6-folds), Bcl-2 (9.5-folds); while upregulated p21 gene (8-folds) compared with DXR alone. Molecular docking analyses found LPR antagonizes MDR1 and JNK1 proteins, and hence supports the in vitro studies. In conclusion, the results confirmed the potential of LPR in sensitizing TNBCs to DXR by targeting MDR1 and JNK1 and suppressing Bcl-2 and mTOR genes, while upregulating the cell cycle inhibitor gene p21. Additionally, LPR could be repurposed to reduce the therapeutic doses of DXR as indicated by the dose reduction index (DRI) and subsequently decrease its side effects.
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Affiliation(s)
- Shenouda G Elia
- Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
| | - Ahmed A Al-Karmalawy
- Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy, Horus University-Egypt, New Damietta, Egypt
| | - Mohamed Y Nasr
- Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
| | - Mohamed F Elshal
- Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
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13
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Traub B, Roth A, Kornmann M, Knippschild U, Bischof J. Stress-activated kinases as therapeutic targets in pancreatic cancer. World J Gastroenterol 2021; 27:4963-4984. [PMID: 34497429 PMCID: PMC8384741 DOI: 10.3748/wjg.v27.i30.4963] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/17/2021] [Accepted: 07/20/2021] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer is a dismal disease with high incidence and poor survival rates. With the aim to improve overall survival of pancreatic cancer patients, new therapeutic approaches are urgently needed. Protein kinases are key regulatory players in basically all stages of development, maintaining physiologic functions but also being involved in pathogenic processes. c-Jun N-terminal kinases (JNK) and p38 kinases, representatives of the mitogen-activated protein kinases, as well as the casein kinase 1 (CK1) family of protein kinases are important mediators of adequate response to cellular stress following inflammatory and metabolic stressors, DNA damage, and others. In their physiologic roles, they are responsible for the regulation of cell cycle progression, cell proliferation and differentiation, and apoptosis. Dysregulation of the underlying pathways consequently has been identified in various cancer types, including pancreatic cancer. Pharmacological targeting of those pathways has been the field of interest for several years. While success in earlier studies was limited due to lacking specificity and off-target effects, more recent improvements in small molecule inhibitor design against stress-activated protein kinases and their use in combination therapies have shown promising in vitro results. Consequently, targeting of JNK, p38, and CK1 protein kinase family members may actually be of particular interest in the field of precision medicine in patients with highly deregulated kinase pathways related to these kinases. However, further studies are warranted, especially involving in vivo investigation and clinical trials, in order to advance inhibition of stress-activated kinases to the field of translational medicine.
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Affiliation(s)
- Benno Traub
- Department of General and Visceral Surgery, Ulm University Hospital, Ulm 89081, Germany
| | - Aileen Roth
- Department of General and Visceral Surgery, Ulm University Hospital, Ulm 89081, Germany
| | - Marko Kornmann
- Department of General and Visceral Surgery, Ulm University Hospital, Ulm 89081, Germany
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Ulm University Hospital, Ulm 89081, Germany
| | - Joachim Bischof
- Department of General and Visceral Surgery, Ulm University Hospital, Ulm 89081, Germany
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14
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Sun L, Patai ÁV, Hogenson TL, Fernandez-Zapico ME, Qin B, Sinicrope FA. Irreversible JNK blockade overcomes PD-L1-mediated resistance to chemotherapy in colorectal cancer. Oncogene 2021; 40:5105-5115. [PMID: 34193942 DOI: 10.1038/s41388-021-01910-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 11/09/2022]
Abstract
Colorectal cancer (CRC) cells have low or absent tumor cell PD-L1 expression that we previously demonstrated can confer chemotherapy resistance. Here, we demonstrate that PD-L1 depletion enhances JNK activity resulting in increased BimThr116 phosphorylation and its sequestration by MCL-1 and BCL-2. Activated JNK signaling in PD-L1-depeted cells was due to reduced mRNA stability of the CYLD deubiquitinase. PD-L1 was found to compete with the ribonuclease EXOSC10 for binding to CYLD mRNA. Thus, loss of PD-L1 promoted binding and degradation of CYLD mRNA by EXOSC10 which enhanced JNK activity. An irreversible JNK inhibitor (JNK-IN-8) reduced BimThr116 phosphorylation and unsequestered Bim from MCL-1 and BCL-2 to promote apoptosis. In cells lacking PD-L1, treatment with JNK-IN-8, an MCL-1 antagonist (AZD5991), or their combination promoted apoptosis and reduced long-term clonogenic survival by anticancer drugs. Similar effects of the JNK inhibitor on cell viability were observed in CRC organoids with suppression of PD-L1. These data indicate that JNK inhibition may represent a promising strategy to overcome drug resistance in CRC cells with low or absent PD-L1 expression.
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Affiliation(s)
- Lei Sun
- Gastrointestinal Research Unit, Mayo Clinic, Rochester, MN, USA.,Department of Gastrointestinal Surgery, Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Árpád V Patai
- Gastrointestinal Research Unit, Mayo Clinic, Rochester, MN, USA
| | - Tara L Hogenson
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Department of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Martin E Fernandez-Zapico
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Department of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Bo Qin
- Gastrointestinal Research Unit, Mayo Clinic, Rochester, MN, USA.
| | - Frank A Sinicrope
- Gastrointestinal Research Unit, Mayo Clinic, Rochester, MN, USA. .,Departments of Medicine and Oncology, Mayo Clinic, Rochester, MN, USA. .,Mayo Comprehensive Cancer Center, Rochester, MN, USA.
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15
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You KS, Yi YW, Cho J, Park JS, Seong YS. Potentiating Therapeutic Effects of Epidermal Growth Factor Receptor Inhibition in Triple-Negative Breast Cancer. Pharmaceuticals (Basel) 2021; 14:589. [PMID: 34207383 PMCID: PMC8233743 DOI: 10.3390/ph14060589] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 12/13/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a subset of breast cancer with aggressive characteristics and few therapeutic options. The lack of an appropriate therapeutic target is a challenging issue in treating TNBC. Although a high level expression of epidermal growth factor receptor (EGFR) has been associated with a poor prognosis among patients with TNBC, targeted anti-EGFR therapies have demonstrated limited efficacy for TNBC treatment in both clinical and preclinical settings. However, with the advantage of a number of clinically approved EGFR inhibitors (EGFRis), combination strategies have been explored as a promising approach to overcome the intrinsic resistance of TNBC to EGFRis. In this review, we analyzed the literature on the combination of EGFRis with other molecularly targeted therapeutics or conventional chemotherapeutics to understand the current knowledge and to provide potential therapeutic options for TNBC treatment.
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Affiliation(s)
- Kyu Sic You
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
- Graduate School of Convergence Medical Science, Dankook University, Cheonan 3116, Chungcheongnam-do, Korea
| | - Yong Weon Yi
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
| | - Jeonghee Cho
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
| | - Jeong-Soo Park
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
| | - Yeon-Sun Seong
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
- Graduate School of Convergence Medical Science, Dankook University, Cheonan 3116, Chungcheongnam-do, Korea
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
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16
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Lee Y, Kim H, Kim H, Cho HY, Jee JG, Seo KA, Son JB, Ko E, Choi HG, Kim ND, Kim I. X-ray Crystal Structure-Guided Design and Optimization of 7 H-Pyrrolo[2,3- d]pyrimidine-5-carbonitrile Scaffold as a Potent and Orally Active Monopolar Spindle 1 Inhibitor. J Med Chem 2021; 64:6985-6995. [PMID: 33942608 DOI: 10.1021/acs.jmedchem.1c00542] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive breast-cancer subtype associated with poor prognosis and high relapse rates. Monopolar spindle 1 kinase (MPS1) is an apical dual-specificity protein kinase that is over-expressed in TNBC. We herein report a highly selective MPS1 inhibitor based on a 7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile scaffold. Our lead optimization was guided by key X-ray crystal structure analysis. In vivo evaluation of candidate (9) is shown to effectively mitigate human TNBC cell proliferation.
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Affiliation(s)
- Younho Lee
- College of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, South Korea.,Voronoibio, S11 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Hyunkyung Kim
- Voronoibio, S11 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea.,Research Institute of Pharmaceutical Researches, College of Pharmacy, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Haelee Kim
- B2Sbio, S23 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Ha Yeon Cho
- B2Sbio, S23 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Jun-Goo Jee
- Research Institute of Pharmaceutical Researches, College of Pharmacy, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Kyung-Ah Seo
- Voronoibio, S11 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Jung Beom Son
- Voronoibio, S11 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Eunhwa Ko
- B2Sbio, S23 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Hwan Geun Choi
- B2Sbio, S23 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Nam Doo Kim
- Voronoibio, S11 Floor, 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, South Korea
| | - Ikyon Kim
- College of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, South Korea
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17
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Garg R, Kumariya S, Katekar R, Verma S, Goand UK, Gayen JR. JNK signaling pathway in metabolic disorders: An emerging therapeutic target. Eur J Pharmacol 2021; 901:174079. [PMID: 33812885 DOI: 10.1016/j.ejphar.2021.174079] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/18/2021] [Accepted: 03/25/2021] [Indexed: 02/08/2023]
Abstract
Metabolic Syndrome is a multifactorial disease associated with increased risk of cardiovascular disorders, type 2 diabetes mellitus, fatty liver disease, etc. Various stress stimuli such as reactive oxygen species, endoplasmic reticulum stress, mitochondrial dysfunction, increased cytokines, or free fatty acids are known to aggravate progressive development of hyperglycemia and hyperlipidemia. Although the exact mechanism contributing to altered metabolism is unclear. Evidence suggests stress kinase role to be a crucial one in metabolic syndrome. Stress kinase, c-jun N-terminal kinase activation (JNK) is involved in various metabolic manifestations including obesity, insulin resistance, fatty liver disease as well as cardiometabolic disorders. It emerged as a foremost mediator in regulating metabolism in the liver, skeletal muscle, adipose tissue as well as pancreatic β cells. It has three isoforms each having a unique and tissue-specific role in altered metabolism. Current findings based on genetic manipulation or chemical inhibition studies identified JNK isoforms to play a central role in the regulation of whole-body metabolism, suggesting it to be a novel therapeutic target. Hence, it is imperative to elucidate its role in metabolic syndrome onset and progression. The purpose of this review is to elucidate in vitro and in vivo implications of JNK signaling along with the therapeutic strategy to inhibit specific isoform. Since metabolic syndrome is an array of diseases and complex pathway, carefully examining each tissue will be important for specific treatment strategies.
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Affiliation(s)
- Richa Garg
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sanjana Kumariya
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India
| | - Roshan Katekar
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Saurabh Verma
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Umesh K Goand
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Jiaur R Gayen
- Pharmaceutics & Pharmacokinetics, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Pharmacology Division, CSIR-Central Drug Research Institute, Jankipuram Extension, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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18
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Wang J, Feng D, Gao B. An Overview of Potential Therapeutic Agents Targeting WNT/PCP Signaling. Handb Exp Pharmacol 2021; 269:175-213. [PMID: 34463852 DOI: 10.1007/164_2021_533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Since the discovery of the proto-oncogene Wnt1 (Int1) in 1982, WNT signaling has been identified as one of the most important pathways that regulates a wide range of fundamental developmental and physiological processes in multicellular organisms. The canonical WNT signaling pathway depends on the stabilization and translocation of β-catenin and plays important roles in development and homeostasis. The WNT/planar cell polarity (WNT/PCP) signaling, also known as one of the β-catenin-independent WNT pathways, conveys directional information to coordinate polarized cell behaviors. Similar to WNT/β-catenin signaling, disruption or aberrant activation of WNT/PCP signaling also underlies a variety of developmental defects and cancers. However, the pharmacological targeting of WNT/PCP signaling for therapeutic purposes remains largely unexplored. In this review, we briefly discuss WNT/PCP signaling in development and disease and summarize the known drugs/inhibitors targeting this pathway.
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Affiliation(s)
- Jin Wang
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Di Feng
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Bo Gao
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
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19
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Ozfiliz Kilbas P, Sonmez O, Uysal-Onganer P, Coker Gurkan A, Obakan Yerlikaya P, Arisan ED. Specific c-Jun N-Terminal Kinase Inhibitor, JNK-IN-8 Suppresses Mesenchymal Profile of PTX-Resistant MCF-7 Cells through Modulating PI3K/Akt, MAPK and Wnt Signaling Pathways. BIOLOGY 2020; 9:E320. [PMID: 33019717 PMCID: PMC7599514 DOI: 10.3390/biology9100320] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/23/2020] [Accepted: 09/29/2020] [Indexed: 01/10/2023]
Abstract
Paclitaxel (PTX) is a widely used chemotherapeutic agent in the treatment of breast cancer, and resistance to PTX is a common failure of breast cancer therapy. Therefore, understanding the effective molecular targets in PTX-resistance gains importance in identifying novel strategies in successful breast cancer therapy approaches. The aim of the study was to investigate the functional role of PTX resistance on MCF-7 cell survival and proliferation related to PI3K/Akt and MAPK pathways. The generated PTX-resistant (PTX-res) MCF-7 cells showed enhanced cell survival, proliferation, and colony formation potential with decreased cell death compared to wt MCF-7 cells. PTX-res MCF-7 cells exhibited increased motility profile with EMT, PI3K/Akt, and MAPK pathway induction. According to the significant SAPK/JNK activation in PTX-res MCF-7 cells, specific c-Jun N-terminal kinase inhibitor, JNK-IN-8 is shown to suppress the migration potential of cells. Treatment of JNK inhibitor suppressed the p38 and SAPK/JNK and Vimentin expression. However, the JNK inhibitor further downregulated Wnt signaling members in PTX-res MCF-7 cells. Therefore, the JNK inhibitor JNK-IN-8 might be used as a potential therapy model to reverse PTX-resistance related to Wnt signaling.
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Affiliation(s)
- Pelin Ozfiliz Kilbas
- Department of Molecular Biology and Genetics, Istanbul Kultur University, 34158 Istanbul, Turkey; (P.O.K.); (O.S.); (A.C.G.); (P.O.Y.)
| | - Ozlem Sonmez
- Department of Molecular Biology and Genetics, Istanbul Kultur University, 34158 Istanbul, Turkey; (P.O.K.); (O.S.); (A.C.G.); (P.O.Y.)
| | - Pinar Uysal-Onganer
- Cancer Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK;
| | - Ajda Coker Gurkan
- Department of Molecular Biology and Genetics, Istanbul Kultur University, 34158 Istanbul, Turkey; (P.O.K.); (O.S.); (A.C.G.); (P.O.Y.)
| | - Pinar Obakan Yerlikaya
- Department of Molecular Biology and Genetics, Istanbul Kultur University, 34158 Istanbul, Turkey; (P.O.K.); (O.S.); (A.C.G.); (P.O.Y.)
| | - Elif Damla Arisan
- Institute of Biotechnology, Gebze Technical University, 41400 Kocaeli, Turkey
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20
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Kaboli PJ, Ling KH. Lapatinib as a Dual Tyrosine Kinase Inhibitor Unexpectedly Activates Akt in MDA-MB-231 Triple-Negative Breast Cancer Cells. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180817666200212125658] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
MDA-MB-231 is a Triple-Negative Breast Cancer (TNBC) cell line, which
is resistant to tyrosine kinase inhibitors, such as lapatinib. Lapatinib is well-recognized as an anti-
EGFR and anti-Her2 compound. Here, we report one of the possible explanations for lapatinibresistance
in TNBC cells, the most incurable type of breast cancer.
Methods:
Using western blotting, we have observed that lapatinib-treated cells enhanced activation
of Akt, an oncogenic protein activated at downstream of EGFR signaling.
Results:
Anti-EGFR activity of Lapatinib would be counteracted with sustained activation of Akt.
We found lapatinib-resistance in TNBC can be managed by administering Akt inhibitors. Further,
lapatinib enhanced PI3K/Akt signaling is an alternative pathway to ensure the viability of MDAMB-
231 cells. There might also be unknown targets for lapatinib, which needs further investigation.
Conclusion:
This observation opens up a new discussion on overcoming resistance to tyrosine kinase
inhibitors, a key challenge in treating TNBC.
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Affiliation(s)
- Parham Jabbarzadeh Kaboli
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, University Putra Malaysia, Selangor, Malaysia
| | - King-Hwa Ling
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, University Putra Malaysia, Selangor, Malaysia
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21
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Schröder SK, Asimakopoulou A, Tillmann S, Koschmieder S, Weiskirchen R. TNF-α controls Lipocalin-2 expression in PC-3 prostate cancer cells. Cytokine 2020; 135:155214. [PMID: 32712458 DOI: 10.1016/j.cyto.2020.155214] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/30/2020] [Accepted: 07/16/2020] [Indexed: 12/21/2022]
Abstract
Prostate cancer (PCa) is one of the most common and deadly cancers in men worldwide. The surrounding tumor microenvironment (TME) is important in tumor progression, as cytokines and soluble mediators including tumor necrosis factor (TNF-α) or lipocalin-2 (LCN2) can influence tumor growth and formation of metastasis. The exact mechanisms on how these pleiotropic factors affect PCa are still unknown. In this study, we showed for the first time that LCN2 mRNA and protein expression are strongly inducible by TNF-α in the highly metastatic human PCa cell line PC-3. In addition, we observed higher levels of secreted LCN2 in cell culture medium of TNF-α-treated PC-3 cells. We found that different signaling pathways such as p38, NF-κB or JNK were activated shortly after TNF-α treatment. Moreover, the mRNA levels of IL-1β and IL-8 were also significantly increased after 24 h stimulation. Mechanistically, the NF-κB pathway and the JNK signaling axis are directly responsible for LCN2 upregulation. This was shown by the fact that pretreatment with the JNK inhibitors SP600125 or JNK-IN-8 strongly downregulated phosphorylation of c-Jun protein and markedly reduced TNF-α-mediated LCN2 upregulation in PC-3 cells. Likewise, the NF-κB inhibitor QNZ was able to repress TNF-α-induced LCN2 expression in PC-3 cells. Taking into consideration that LCN2 has been described as a tumor promoting factor in PCa, our results indicate that JNK regulates LCN2 expression and unmasks the JNK signaling axis as a possible therapeutic target for patients with PCa.
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Affiliation(s)
- Sarah K Schröder
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, Aachen, Germany
| | - Anastasia Asimakopoulou
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, Aachen, Germany
| | - Stefan Tillmann
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, Aachen, Germany.
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22
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The Double-Faced Role of Nitric Oxide and Reactive Oxygen Species in Solid Tumors. Antioxidants (Basel) 2020; 9:antiox9050374. [PMID: 32365852 PMCID: PMC7278755 DOI: 10.3390/antiox9050374] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 02/08/2023] Open
Abstract
Disturbed redox homeostasis represents a hallmark of cancer phenotypes, affecting cellular metabolism and redox signaling. Since reactive oxygen and nitrogen species (ROS/RNS) are involved in regulation of proliferation and apoptosis, they may play a double-faced role in cancer, entailing protumorigenic and tumor-suppressing effects in early and later stages, respectively. In addition, ROS and RNS impact the activity and communication of all tumor constituents, mediating their reprogramming from anti- to protumorigenic phenotypes, and vice versa. An important role in this dichotomic action is played by the variable amounts of O2 in the tumor microenvironment, which dictates the ultimate outcome of the influence of ROS/RNS on carcinogenesis. Moreover, ROS/RNS levels remarkably influence the cancer response to therapy. The relevance of ROS/RNS signaling in solid tumors is witnessed by the emergence of novel targeted treatments of solid tumors with compounds that target ROS/RNS action and production, such as tyrosine kinase inhibitors and monoclonal antibodies, which might contribute to the complexity of redox regulation in cancer. Prospectively, the dual role of ROS/RNS in the different stages of tumorigenesis through different impact on oxidation and nitrosylation may also allow development of tailored diagnostic and therapeutic approaches.
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23
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Wu Q, Wu W, Jacevic V, Franca TCC, Wang X, Kuca K. Selective inhibitors for JNK signalling: a potential targeted therapy in cancer. J Enzyme Inhib Med Chem 2020; 35:574-583. [PMID: 31994958 PMCID: PMC7034130 DOI: 10.1080/14756366.2020.1720013] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
c-Jun N-terminal kinase (JNK) signalling regulates both cancer cell apoptosis and survival. Emerging evidence show that JNK promoted tumour progression is involved in various cancers, that include human pancreatic-, lung-, and breast cancer. The pro-survival JNK oncoprotein functions in a cell context- and cell type-specific manner to affect signal pathways that modulate tumour initiation, proliferation, and migration. JNK is therefore considered a potential oncogenic target for cancer therapy. Currently, designing effective and specific JNK inhibitors is an active area in the cancer treatment. Some ATP-competitive inhibitors of JNK, such as SP600125 and AS601245, are widely used in vitro; however, this type of inhibitor lacks specificity as they indiscriminately inhibit phosphorylation of all JNK substrates. Moreover, JNK has at least three isoforms with different functions in cancer development and identifying specific selective inhibitors is crucial for the development of targeted therapy in cancer. Some selective inhibitors of JNK are identified; however, their clinical studies in cancer are relatively less conducted. In this review, we first summarised the function of JNK signalling in cancer progression; there is a focus on the discussion of the novel selective JNK inhibitors as potential targeting therapy in cancer. Finally, we have offered a future perspective of the selective JNK inhibitors in the context of cancer therapies. We hope this review will help to further understand the role of JNK in cancer progression and provide insight into the design of novel selective JNK inhibitors in cancer treatment.
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Affiliation(s)
- Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, China.,College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Wenda Wu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Vesna Jacevic
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic.,National Poison Control Centre, Military Medical Academy, Belgrade, Serbia.,Medical Faculty of the Military Medical Academy, University of Defence, Belgrade, Serbia
| | - Tanos C C Franca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic.,Laboratory of Molecular Modeling Applied to the Chemical and Biological Defense, Military Institute of Engineering, Rio de Janeiro, Brazil
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
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24
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Zheng J, Dai Q, Han K, Hong W, Jia D, Mo Y, Lv Y, Tang H, Fu H, Geng W. JNK-IN-8, a c-Jun N-terminal kinase inhibitor, improves functional recovery through suppressing neuroinflammation in ischemic stroke. J Cell Physiol 2019; 235:2792-2799. [PMID: 31541462 PMCID: PMC6916328 DOI: 10.1002/jcp.29183] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 08/26/2019] [Indexed: 12/27/2022]
Abstract
C‐Jun N‐terminal kinase (JNK) is a pivotal MAPK (mitogen‐activated protein kinase), which activated by ischemia brain injury and plays a fairly crucial function in cerebral ischemic injury. Emerging studies demonstrated that JNK‐IN‐8 (a JNK inhibitor with high specificity) regulates traumatic brain injury through controlling neuronal apoptosis and inflammation. However, the function of JNK‐IN‐8 in ischemic stroke and the mechanisms underlying of JNK‐IN‐8 about neuroprotection are not well understood. In this work, male rats were treated with JNK‐IN‐8 after transient middle cerebral artery occlusion, and then the modified improved neurological function score (mNSS), the foot‐fault test (FFT), interleukin‐1β (IL‐1β), IL‐6, and tumor necrosis factor‐α (TNF‐α) levels were assessed. We found that JNK‐IN‐8‐treated rats with MCAO exerted an observable melioration in space learning as tested by the improved mNSS, and showed sensorimotor functional recovery as measured by the FFT. JNK‐IN‐8 also played anti‐inflammatory roles as indicated through decreased activation of microglia and decreased IL‐6, IL‐1β, and TNF‐α expression. Furthermore, JNK‐IN‐8 suppressed the activation of JNK and nuclear factor‐κB (NF‐κB) signaling as indicated by the decreased level of phosphorylated‐JNK and p65. All data demonstrate that JNK‐IN‐8 inhibits neuroinflammation and improved neurological function by inhibiting JNK/NF‐κB and is a promising agent for the prevention of ischemic brain injury.
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Affiliation(s)
- Jianjian Zheng
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Qinxue Dai
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Kunyuan Han
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Wandong Hong
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Danyun Jia
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yunchang Mo
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Ya Lv
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Hongli Tang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Hongxing Fu
- School of Pharmaceutical, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Wujun Geng
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
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25
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Li R, Gunarta IK, Suzuki R, Boldbaatar J, Nakazato R, Yuliana D, Davaakhuu G, Oyunsuren T, Takamatsu N, Kobayashi M, Hirao A, Yoshioka K. JLP-JNK signaling protects cancer cells from reactive oxygen species-induced cell death. Biochem Biophys Res Commun 2019; 501:724-730. [PMID: 29753743 DOI: 10.1016/j.bbrc.2018.05.055] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 05/09/2018] [Indexed: 02/06/2023]
Abstract
Oxidative stress, which can be caused by an overproduction of reactive oxygen species (ROS), often leads to cell death. In recent years, c-Jun NH2-terminal kinase (JNK)-associated leucine zipper protein (JLP, also known as SPAG9 or JIP4), a scaffold protein for JNK mitogen-activated protein kinase (MAPK) signaling pathways, was found to serve as a novel biomarker for cancer. However, although JNK MAPK pathways are reported to be activated in response to various stimuli, including oxidative stress, whether JLP is involved in ROS signaling remains unknown. In this study, we examined the role of JLP in hydrogen peroxide (H2O2)-induced cancer cell death, and found that JLP knockdown (KD) cells exhibit a substantially enhanced cell death response, along with increased intracellular ROS levels. This is the first demonstration of a protective role for JLP in response to cell-death stimulation. We also found that the H2O2-induced JNK activation was attenuated in JLP KD cancer cells. The decreases in cell viability and JNK activation in the JLP KD cells were almost completely reversed by expressing wild-type JLP, but not a mutant JLP lacking the JNK-binding domain. These data collectively suggest that the JLP-JNK signaling pathway counteracts ROS-induced cancer cell death.
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Affiliation(s)
- Rong Li
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - I Ketut Gunarta
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Ryusuke Suzuki
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Jambaldorj Boldbaatar
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Ryota Nakazato
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Dewi Yuliana
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Gantulga Davaakhuu
- Laboratory of Molecular Biology, Institute of General and Experimental Biology, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | - Tsendsuren Oyunsuren
- Laboratory of Molecular Biology, Institute of General and Experimental Biology, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
| | - Nobuhiko Takamatsu
- Laboratory of Molecular Biology, Department of Biosciences, School of Science, Kitasato University, Sagamihara, Japan
| | - Masahiko Kobayashi
- Division of Molecular Genetics, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Atsushi Hirao
- Division of Molecular Genetics, Cancer Research Institute, Kanazawa University, Kanazawa, Japan; WPI Nano Life Science Institute (WPI-Nano LSI), Kanazawa University, Kanazawa, Japan
| | - Katsuji Yoshioka
- Division of Molecular Cell Signaling, Cancer Research Institute, Kanazawa University, Kanazawa, Japan.
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26
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Potential Applications of NRF2 Inhibitors in Cancer Therapy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8592348. [PMID: 31097977 PMCID: PMC6487091 DOI: 10.1155/2019/8592348] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 02/10/2019] [Accepted: 02/28/2019] [Indexed: 02/07/2023]
Abstract
The NRF2/KEAP1 pathway represents one of the most important cell defense mechanisms against exogenous or endogenous stressors. Indeed, by increasing the expression of several cytoprotective genes, the transcription factor NRF2 can shelter cells and tissues from multiple sources of damage including xenobiotic, electrophilic, metabolic, and oxidative stress. Importantly, the aberrant activation or accumulation of NRF2, a common event in many tumors, confers a selective advantage to cancer cells and is associated to malignant progression, therapy resistance, and poor prognosis. Hence, in the last years, NRF2 has emerged as a promising target in cancer treatment and many efforts have been made to identify therapeutic strategies aimed at disrupting its prooncogenic role. By summarizing the results from past and recent studies, in this review, we provide an overview concerning the NRF2/KEAP1 pathway, its biological impact in solid and hematologic malignancies, and the molecular mechanisms causing NRF2 hyperactivation in cancer cells. Finally, we also describe some of the most promising therapeutic approaches that have been successfully employed to counteract NRF2 activity in tumors, with a particular emphasis on the development of natural compounds and the adoption of drug repurposing strategies.
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27
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Sekhar SC, Venkatesh J, Cheriyan VT, Muthu M, Levi E, Assad H, Meister P, Undyala VV, Gauld JW, Rishi AK. A H2AX⁻CARP-1 Interaction Regulates Apoptosis Signaling Following DNA Damage. Cancers (Basel) 2019; 11:cancers11020221. [PMID: 30769864 PMCID: PMC6406907 DOI: 10.3390/cancers11020221] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/07/2019] [Accepted: 02/10/2019] [Indexed: 12/16/2022] Open
Abstract
Cell Cycle and Apoptosis Regulatory Protein (CARP-1/CCAR1) is a peri-nuclear phosphoprotein that regulates apoptosis via chemotherapeutic Adriamycin (doxorubicin) and a novel class of CARP-1 functional mimetic (CFM) compounds. Although Adriamycin causes DNA damage, data from Comet assays revealed that CFM-4.16 also induced DNA damage. Phosphorylation of histone 2AX (γH2AX) protein is involved in regulating DNA damage repair and apoptosis signaling. Adriamycin or CFM-4.16 treatments inhibited cell growth and caused elevated CARP-1 and γH2AX in human breast (HBC) and cervical cancer (HeLa) cells. In fact, a robust nuclear or peri-nuclear co-localization of CARP-1 and γH2AX occurred in cells undergoing apoptosis. Knock-down of CARP-1 diminished γH2AX, their co-localization, and apoptosis in CFM-4.16- or Adriamycin-treated cells. We found that CARP-1 directly binds with H2AX, and H2AX interacted with CARP-1, but not CARP-1 (Δ600–652) mutant. Moreover, cells expressing CARP-1 (Δ600–652) mutant were resistant to apoptosis, and had diminished levels of γH2AX, when compared with cells expressing wild-type CARP-1. Mutagenesis studies revealed that H2AX residues 1–35 harbored a CARP-1-binding epitope, while CARP-1 amino acids 636–650 contained an H2AX-interacting epitope. Surface plasmon resonance studies revealed that CARP-1 (636–650) peptide bound with H2AX (1–35) peptide with a dissociation constant (Kd) of 127 nM. Cells expressing enhanced GFP (EGFP)-tagged H2AX (1–35) peptide or EGFP-tagged CARP-1 (636–650) peptide were resistant to inhibition by Adriamycin or CFM-4.16. Treatment of cells with transactivator of transcription (TAT)-tagged CARP-1 (636–650) peptide resulted in a moderate, statistically significant abrogation of Adriamycin-induced growth inhibition of cancer cells. Our studies provide evidence for requirement of CARP-1 interaction with H2AX in apoptosis signaling by Adriamycin and CFM compounds.
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Affiliation(s)
- Sreeja C Sekhar
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
| | - Jaganathan Venkatesh
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
| | - Vino T Cheriyan
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
| | - Magesh Muthu
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
| | - Edi Levi
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
| | - Hadeel Assad
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
| | - Paul Meister
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, ON N9B 3P4, Canada.
| | - Vishnu V Undyala
- Cardiovascular Research Institute, School of Medicine, Wayne State University, Detroit, MI 48201, USA.
| | - James W Gauld
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, ON N9B 3P4, Canada.
| | - Arun K Rishi
- John D. Dingell Veterans Administration Medical Center, Detroit, MI 48201, USA.
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201, USA.
- Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Detroit, MI 48201, USA.
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28
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Du L, Roberts JD. Transforming growth factor-β downregulates sGC subunit expression in pulmonary artery smooth muscle cells via MEK and ERK signaling. Am J Physiol Lung Cell Mol Physiol 2018; 316:L20-L34. [PMID: 30260287 DOI: 10.1152/ajplung.00319.2018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
TGFβ activation during newborn lung injury decreases the expression of pulmonary artery smooth muscle cell (PASMC)-soluble guanylate cyclase (sGC), a critical mediator of nitric oxide signaling. Using a rat PASMC line (CS54 cells), we determined how TGFβ downregulates sGC expression. We found that TGFβ decreases sGC expression through stimulating its type I receptor; TGFβ type I receptor (TGFβR1) inhibitors prevented TGFβ-1-mediated decrease in sGCα1 subunit mRNA levels in the cells. However, TGFβR1-Smad mechanisms do not regulate sGC; effective knockdown of Smad2 and Smad3 expression and function did not protect sGCα1 mRNA levels during TGFβ-1 exposure. A targeted small-molecule kinase inhibitor screen suggested that MEK signaling regulates sGC expression in TGFβ-stimulated PASMC. TGFβ activates PASMC MEK/ERK signaling; CS54 cell treatment with TGFβ-1 increased MEK and ERK phosphorylation in a biphasic, time- and dose-dependent manner. Moreover, MEK/ERK activity appears to be required for TGFβ-mediated sGC expression inhibition in PASMC; MEK and ERK inhibitors protected sGCα1 mRNA expression in TGFβ-1-treated CS54 cells. Nuclear ERK activity is sufficient for sGC regulation; heterologous expression of a nucleus-retained, constitutively active ERK2-MEK1 fusion protein decreased CS54 cell sGCα1 mRNA levels. The in vivo relevance of this TGFβ-MEK/ERK-sGC downregulation pathway is suggested by the detection of ERK activation and sGCα1 protein expression downregulation in TGFβ-associated mouse pup hyperoxic lung injury, and the determination that ERK decreases sGCα1 protein expression in TGFβ-1-treated primary PASMC obtained from mouse pups. These studies identify MEK/ERK signaling as an important pathway by which TGFβ regulates sGC expression in PASMC.
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Affiliation(s)
- Lili Du
- Cardiovascular Research Center of the General Medical Services, Massachusetts General Hospital , Boston, Massachusetts.,Harvard Medical School, Cambridge, Massachusetts
| | - Jesse D Roberts
- Cardiovascular Research Center of the General Medical Services, Massachusetts General Hospital , Boston, Massachusetts.,Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital , Boston, Massachusetts.,Department of Pediatrics, Massachusetts General Hospital , Boston, Massachusetts.,Harvard Medical School, Cambridge, Massachusetts
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