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Doi T, Takahashi S, Aoki D, Yonemori K, Hara H, Hasegawa K, Takehara K, Harano K, Yunokawa M, Nomura H, Shimoi T, Horie K, Ogasawara A, Okame S. A first-in-human phase I study of TAS-117, an allosteric AKT inhibitor, in patients with advanced solid tumors. Cancer Chemother Pharmacol 2024; 93:605-616. [PMID: 38411735 PMCID: PMC11129975 DOI: 10.1007/s00280-023-04631-7] [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: 08/08/2023] [Accepted: 12/08/2023] [Indexed: 02/28/2024]
Abstract
PURPOSE TAS-117 is a highly potent and selective, oral, allosteric pan-AKT inhibitor under development for advanced/metastatic solid tumors. The safety, clinical pharmacology, pharmacogenomics and efficacy were investigated. METHODS This phase I, open-label, non-randomized, dose-escalating, first-in-human study enrolled patients with advanced/metastatic solid tumors and comprised three phases (dose escalation phase [DEP], regimen modification phase [RMP], and safety assessment phase [SAP]). The SAP dose and regimen were determined in the DEP and RMP. Once-daily and intermittent dosing (4 days on/3 days off, 21-day cycles) were investigated. The primary endpoints were dose-limiting toxicities (DLTs) in Cycle 1 of the DEP and RMP and incidences of adverse events (AEs) and adverse drug reactions (ADRs) in the SAP. Secondary endpoints included pharmacokinetics, pharmacodynamics, pharmacogenomics, and antitumor activity. RESULTS Of 66 enrolled patients, 65 received TAS-117 (DEP, n = 12; RMP, n = 10; SAP, n = 43). No DLTs were reported with 24-mg/day intermittent dosing, which was selected as a recommended dose in SAP. In the SAP, 98.5% of patients experienced both AEs and ADRs (grade ≥ 3, 67.7% and 60.0%, respectively). In the dose range tested (8 to 32 mg/day), TAS-117 pharmacokinetics were dose proportional, and pharmacodynamic analysis showed a reduction of phosphorylated PRAS40, a direct substrate of AKT. Four patients in the SAP had confirmed partial response. CONCLUSION Oral doses of TAS-117 once daily up to 16 mg/day and intermittent dosing of 24 mg/day were well tolerated. TAS-117 pharmacokinetics were dose proportional at the doses evaluated. Antitumor activity may occur through AKT inhibition. TRIAL REGISTRATION jRCT2080222728 (January 29, 2015).
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Affiliation(s)
- Toshihiko Doi
- National Cancer Center Hospital East, Kashiwa, Japan.
| | - Shunji Takahashi
- Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Daisuke Aoki
- Keio University School of Medicine, Tokyo, Japan
- Akasaka Sannou Medical Center, Tokyo, Japan
- International University of Health and Welfare Graduate School, Tokyo, Japan
| | | | | | - Kosei Hasegawa
- Saitama Medical University International Medical Center, Hidaka, Japan
| | | | | | - Mayu Yunokawa
- Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Hiroyuki Nomura
- Keio University School of Medicine, Tokyo, Japan
- Fujita Health University, Toyoake, Japan
| | | | - Koji Horie
- Saitama Cancer Center, Kita-Adachi, Japan
| | - Aiko Ogasawara
- Saitama Medical University International Medical Center, Hidaka, Japan
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Razak ARA, Wang HM, Chang JY, Ahn MJ, Munster P, Blumenschein G, Solomon B, Lim DWT, Hong RL, Pfister D, Saba NF, Lee SH, van Herpen C, Quadt C, Bootle D, Blumenstein L, Demanse D, Delord JP. A Phase 1b/2 Study of Alpelisib in Combination with Cetuximab in Patients with Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma. Target Oncol 2023; 18:853-868. [PMID: 37875771 PMCID: PMC10663259 DOI: 10.1007/s11523-023-00997-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2023] [Indexed: 10/26/2023]
Abstract
BACKGROUND Alpelisib in combination with cetuximab showed synergistic anti-tumour activity in head and neck squamous cell carcinoma (HNSCC) models. OBJECTIVES The recommended phase 2 dose (RP2D) was determined in a phase 1b dose-escalation study. Phase 2 evaluated anti-tumour activity with a randomised part in cetuximab-naïve patients and a non-randomised part in cetuximab-resistant patients. PATIENTS AND METHODS Alpelisib was administered in 28 d cycles as whole tablets, suspension from crushed tablets or suspension from dispersible tablets in patients with platinum-resistant, recurrent/metastatic HNSCC. RESULTS The RP2D determined for alpelisib was 300 mg/d. Alpelisib-cetuximab achieved an overall response rate of 25% and 9.9% and disease control rate of 75% and 43.7% in phase 1b and phase 2 studies, respectively. Median progression-free survival (PFS) per central review was 86 d for combination treatment and 87 d for cetuximab monotherapy (unadjusted HR 1.12; 95% CI 0.69-1.82; P > 0.05). When adjusted for baseline covariates [sum of longest diameters from central data, haemoglobin and white blood cell (WBC), the results favoured combination treatment (adjusted HR 0.54; 95% CI 0.30-0.97; P = 0.039). PFS per investigator assessment resulted in an unadjusted HR of 0.76 (95% CI 0.49-1.19; P > 0.05) favouring combination treatment. The median PFS in cetuximab-resistant patients was 3.9 months. CONCLUSIONS The addition of alpelisib to cetuximab did not demonstrate a PFS benefit in cetuximab-naïve patients with advanced HNSCC. The alpelisib-cetuximab combination showed moderate activity in cetuximab-resistant patients, with a consistent safety profile. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov NCT01602315; EudraCT 2011-006017-34.
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Affiliation(s)
- Albiruni R Abdul Razak
- Princess Margaret Cancer Centre, Toronto, Canada.
- Division of Medical Oncology, Department of Medicine, UHN Princess Margaret Hospital, 610 University Avenue, Toronto, Canada.
| | | | | | - Myung-Ju Ahn
- Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Pamela Munster
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - George Blumenschein
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | | | | | - David Pfister
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nabil F Saba
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Se-Hoon Lee
- Seoul National University Hospital, Seoul, South Korea
| | | | | | | | | | | | - Jean-Pierre Delord
- Clinical Research Unit, Institut Claudius Regaud, IUCT-Oncopole, Toulouse, France
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Liu J, Gu X, Guan Z, Huang D, Xing H, Zheng L. Role of m6A modification in regulating the PI3K/AKT signaling pathway in cancer. J Transl Med 2023; 21:774. [PMID: 37915034 PMCID: PMC10619263 DOI: 10.1186/s12967-023-04651-0] [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: 08/23/2023] [Accepted: 10/24/2023] [Indexed: 11/03/2023] Open
Abstract
The phosphoinositide 3-kinase (PI3K)/AKT signaling pathway plays a crucial role in the pathogenesis of cancer. The dysregulation of this pathway has been linked to the development and initiation of various types of cancer. Recently, epigenetic modifications, particularly N6-methyladenosine (m6A), have been recognized as essential contributors to mRNA-related biological processes and translation. The abnormal expression of m6A modification enzymes has been associated with oncogenesis, tumor progression, and drug resistance. Here, we review the role of m6A modification in regulating the PI3K/AKT pathway in cancer and its implications in the development of novel strategies for cancer treatment.
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Affiliation(s)
- Jie Liu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Erqi District, Zhengzhou, 450052, Henan, China
| | - Xinyu Gu
- Department of Oncology, The First Affiliated Hospital, College of Clinical Medicine, Henan University of Science and Technology, Luoyang, 471000, Henan, China
| | - Zhenjie Guan
- Department of Stomatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Di Huang
- Department of Child Health Care, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, Henan, China
| | - Huiwu Xing
- Department of Pediatric Surgery, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Erqi District, Zhengzhou, 450052, Henan, China.
| | - Lian Zheng
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Erqi District, Zhengzhou, 450052, Henan, China.
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Samy A, Ozdemir MK, Alhajj R. Studying the connection between SF3B1 and four types of cancer by analyzing networks constructed based on published research. Sci Rep 2023; 13:2704. [PMID: 36792691 PMCID: PMC9932172 DOI: 10.1038/s41598-023-29777-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Splicing factor 3B subunit 1 (SF3B1) is the largest component of SF3b protein complex which is involved in the pre-mRNA splicing mechanism. Somatic mutations of SF3B1 were shown to be associated with aberrant splicing, producing abnormal transcripts that drive cancer development and/or prognosis. In this study, we focus on the relationship between SF3B1 and four types of cancer, namely myelodysplastic syndrome (MDS), acute myeloid leukemia (AML), and chronic lymphocytic leukemia (CLL) and breast cancer (BC). For this purpose, we identified from the Pubmed library only articles which mentioned SF3B1 in connection with the investigated types of cancer for the period 2007 to 2018 to reveal how the connection has developed over time. We left out all published articles which mentioned SF3B1 in other contexts. We retrieved the target articles and investigated the association between SF3B1 and the mentioned four types of cancer. For this we utilized some of the publicly available databases to retrieve gene/variant/disease information related to SF3B1. We used the outcome to derive and analyze a variety of complex networks that reflect the correlation between the considered diseases and variants associated with SF3B1. The results achieved based on the analyzed articles and reported in this article illustrated that SF3B1 is associated with hematologic malignancies, such as MDS, AML, and CLL more than BC. We found that different gene networks may be required for investigating the impact of mutant splicing factors on cancer development based on the target cancer type. Additionally, based on the literature analyzed in this study, we highlighted and summarized what other researchers have reported as the set of genes and cellular pathways that are affected by aberrant splicing in cancerous cells.
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Affiliation(s)
- Asmaa Samy
- grid.411781.a0000 0004 0471 9346The Graduate School of Engineering and Natural Science, Istanbul Medipol University, Istanbul, Turkey
| | - Mehmet Kemal Ozdemir
- grid.411781.a0000 0004 0471 9346School of Engineering and Natural Science, Istanbul Medipol University, Istanbul, Turkey
| | - Reda Alhajj
- School of Engineering and Natural Science, Istanbul Medipol University, Istanbul, Turkey. .,Department of Computer Science, University of Calgary, Calgary, AB, Canada. .,Department of Heath Informatics, University of Southern Denmark, Odense, Denmark.
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Hu Y, Zhai W, Tan D, Chen H, Zhang G, Tan X, Zheng Y, Gao W, Wei Y, Wu J, Yang X. Uncovering the effects and molecular mechanism of Astragalus membranaceus (Fisch.) Bunge and its bioactive ingredients formononetin and calycosin against colon cancer: An integrated approach based on network pharmacology analysis coupled with experimental validation and molecular docking. Front Pharmacol 2023; 14:1111912. [PMID: 36755950 PMCID: PMC9899812 DOI: 10.3389/fphar.2023.1111912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/13/2023] [Indexed: 01/24/2023] Open
Abstract
Colon cancer is a highly malignant cancer with poor prognosis. Astragalus membranaceus (Fisch.) Bunge (Huang Qi in Chinese, HQ), a well-known Chinese herbal medicine and a popular food additive, possesses various biological functions and has been frequently used for clinical treatment of colon cancer. However, the underlying mechanism is not fully understood. Isoflavonoids, including formononetin (FMNT) and calycosin (CS), are the main bioactive ingredients isolated from HQ. Thus, this study aimed to explore the inhibitory effects and mechanism of HQ, FMNT and CS against colon cancer by using network pharmacology coupled with experimental validation and molecular docking. The network pharmacology analysis revealed that FMNT and CS exerted their anticarcinogenic actions against colon cancer by regulating multiple signaling molecules and pathways, including MAPK and PI3K-Akt signaling pathways. The experimental validation data showed that HQ, FMNT and CS significantly suppressed the viability and proliferation, and promoted the apoptosis in colon cancer Caco2 and HT-29 cells. HQ, FMNT and CS also markedly inhibited the migration of Caco2 and HT-29 cells, accompanied by a marked increase in E-cadherin expression, and a notable decrease in N-cadherin and Vimentin expression. In addition, HQ, FMNT and CS strikingly decreased the expression of ERK1/2 phosphorylation (p-ERK1/2) without marked change in total ERK1/2 expression. They also slightly downregulated the p-Akt expression without significant alteration in total Akt expression. Pearson correlation analysis showed a significant positive correlation between the inactivation of ERK1/2 signaling pathway and the HQ, FMNT and CS-induced suppression of colon cancer. The molecular docking results indicated that FMNT and CS had a strong binding affinity for the key molecules of ERK1/2 signaling pathway. Conclusively, HQ, FMNT and CS exerted good therapeutic effects against colon cancer by mainly inhibiting the ERK1/2 signaling pathway, suggesting that HQ, FMNT and CS could be useful supplements that may enhance chemotherapeutic outcomes and benefit colon cancer patients.
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Affiliation(s)
- Yu Hu
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Wenjuan Zhai
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Duanling Tan
- Key Laboratory of Molecular Target and Clinical Pharmacology and the State, NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Haipeng Chen
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Guiyu Zhang
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Xuanjing Tan
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yuting Zheng
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Wenhui Gao
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yijie Wei
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Jinjun Wu
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, School of Pharmaceutical Sciences, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China,*Correspondence: Jinjun Wu, ; Xin Yang,
| | - Xin Yang
- Key Laboratory of Molecular Target and Clinical Pharmacology and the State, NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China,*Correspondence: Jinjun Wu, ; Xin Yang,
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Jeng KS, Chang CF, Sheen IS, Jeng CJ, Wang CH. Cellular and Molecular Biology of Cancer Stem Cells of Hepatocellular Carcinoma. Int J Mol Sci 2023; 24:1417. [PMID: 36674932 PMCID: PMC9861908 DOI: 10.3390/ijms24021417] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/12/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer death globally. The cancer stem cells (CSCs) of HCC are responsible for tumor growth, invasion, metastasis, recurrence, chemoresistance, target therapy resistance and radioresistance. The reported main surface markers used to identify liver CSCs include epithelial cell adhesion/activating molecule (EpCAM), cluster differentiation 90 (CD90), CD44 and CD133. The main molecular signaling pathways include the Wnt/β-catenin, transforming growth factors-β (TGF-β), sonic hedgehog (SHH), PI3K/Akt/mTOR and Notch. Patients with EpCAM-positive alpha-fetoprotein (AFP)-positive HCC are usually young but have advanced tumor-node-metastasis (TNM) stages. CD90-positive HCCs are usually poorly differentiated with worse prognosis. Those with CD44-positive HCC cells develop early metastases. Those with CD133 expression have a higher recurrence rate and a shorter overall survival. The Wnt/β-catenin signaling pathway triggers angiogenesis, tumor infiltration and metastasis through the enhancement of angiogenic factors. All CD133+ liver CSCs, CD133+/EpCAM+ liver CSCs and CD44+ liver CSCs contribute to sorafenib resistance. SHH signaling could protect HCC cells against ionizing radiation in an autocrine manner. Reducing the CSC population of HCC is crucial for the improvement of the therapy of advanced HCC. However, targeting CSCs of HCC is still challenging.
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Affiliation(s)
- Kuo-Shyang Jeng
- Department of Surgery, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
| | - Chiung-Fang Chang
- Department of Surgery, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
| | - I-Shyang Sheen
- Department of Hepato Gastroenterology, Linkou Medical Center, Chang-Gung University, Taoyuan City 33305, Taiwan
| | - Chi-Juei Jeng
- Postgraduate of Institute of Medicine, National Taiwan University, Taipei 10617, Taiwan
| | - Chih-Hsuan Wang
- Department of Surgery, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
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Elton AC, Cedarstrom V, Quraishi A, Wuertz B, Murray K, Markowski TW, Seabloom D, Ondrey FG. Metabolic and Metabolomic Effects of Metformin in Murine Model of Pulmonary Adenoma Formation. Nutr Cancer 2023; 75:1014-1027. [PMID: 36688306 DOI: 10.1080/01635581.2023.2165692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Epidemiologic studies of diabetic patients treated with metformin identified significantly lower incidences of cancer. From this, there is growing interest in the use of metformin to treat and prevent cancer. Studies have investigated chemopreventive mechanisms including alterations in calorie intake, cancer metabolism, and cell signaling. Repurposing the drug is challenging due to its metabolic effects and non-uniform effects on different types of cancer. In our previously published studies, we observed that benzo[a]pyrene treated mice receiving metformin significantly reduced lung adenomas; however, mice had reduced weight gain. In this study, we compared chemoprevention diets with and without metformin to evaluate the effects of diet vs. effects of metformin. We also performed tandem mass spectrometry on mouse serum to assess metabolomic alterations associated with metformin treatment. In metformin cohorts, the rate of weight gain was reduced, but weights did not vary between diets. There was no weight difference between diets without metformin. Interestingly, caloric intake was increased in metformin treated mice. Metabolomic analysis revealed metabolite alterations consistent with metformin treatment. Based on these results, we conclude that previous reductions in lung adenomas may have been occurred from anticancer effects of metformin rather than a potentially toxic effect such as calorie restriction.
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Affiliation(s)
- Andrew C Elton
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Vannesa Cedarstrom
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Arman Quraishi
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Beverly Wuertz
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA.,AeroCore, Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Kevin Murray
- Center for Mass Spectrometry & Proteomics, Department of Biochemistry, Molecular Biology & Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Todd W Markowski
- Center for Mass Spectrometry & Proteomics, Department of Biochemistry, Molecular Biology & Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Donna Seabloom
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA.,AeroCore, Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Frank G Ondrey
- Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA.,AeroCore, Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
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Uncovering the Key Targets and Therapeutic Mechanisms of Qizhen Capsule in Gastric Cancer through Network Pharmacology and Bioinformatic Analyses. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:1718143. [DOI: 10.1155/2022/1718143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 10/11/2022] [Accepted: 10/21/2022] [Indexed: 11/12/2022]
Abstract
Objective. This study is aimed at screening out effective active compounds of Qizhen capsule (QZC) and exploring the underlying mechanisms against gastric cancer (GACA) by combining both bioinformatic analysis and experimental approaches. Weighted gene coexpression network analysis (WGCNA), network pharmacology, molecular docking simulation, survival analysis, and data-based differential gene and protein expression analysis were employed to predict QZC’s potential targets and explore the underlying mechanisms. Subsequently, multiple experiments, including cell viability, apoptosis, and protein expression analyses, were conducted to validate the bioinformatics-predicted therapeutic targets. The results indicated that luteolin, rutin, quercetin, and kaempferol were vital active compounds, and TP53, MAPK1, and AKT1 were key targets. Molecular docking simulation showed that the four abovementioned active compounds had high binding affinities to the three main targets. Enrichment analysis showed that vital active compounds exerted therapeutic effects on GACA through regulating the TP53 pathway, MAPK pathway, and PI3K/AKT pathway. Furthermore, data-based gene expression analysis revealed that TP53 and JUN genes were not only differentially expressed between normal and GACA tissues but also correlated with clinical stages. In parallel, in vitro experimental results suggested that QZC exerted therapeutic effects on GACA by decreasing IC50 values, downregulating AKT expression, upregulating TP53 and MAPK expression, and increasing apoptosis of SGC-7901 cells. This study highlights the potential candidate biomarkers, therapeutic targets, and basic mechanisms of QZC in treating GACA, providing a foundation for new drug development, target mining, and related animal studies in GACA.
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Astolfi A, Milano F, Palazzotti D, Brea J, Pismataro MC, Morlando M, Tabarrini O, Loza MI, Massari S, Martelli MP, Barreca ML. From Serendipity to Rational Identification of the 5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3- d]pyrimidin-4(3 H)-one Core as a New Chemotype of AKT1 Inhibitors for Acute Myeloid Leukemia. Pharmaceutics 2022; 14:2295. [PMID: 36365115 PMCID: PMC9698716 DOI: 10.3390/pharmaceutics14112295] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/20/2022] [Accepted: 10/22/2022] [Indexed: 07/30/2023] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous hematopoietic malignancy whose prognosis is globally poor. In more than 60% of AML patients, the PI3K/AKTs/mTOR signaling pathway is aberrantly activated because of oncogenic driver alterations and further enhanced by chemotherapy as a mechanism of drug resistance. Against this backdrop, very recently we have started a multidisciplinary research project focused on AKT1 as a pharmacological target to identify novel anti-AML agents. Indeed, the serendipitous finding of the in-house compound T187 as an AKT1 inhibitor has paved the way to the rational identification of new active small molecules, among which T126 has emerged as the most interesting compound with IC50 = 1.99 ± 0.11 μM, ligand efficiency of 0.35, and a clear effect at low micromolar concentrations on growth inhibition and induction of apoptosis in AML cells. The collected results together with preliminary SAR data strongly indicate that the 5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one derivative T126 is worthy of future biological experiments and medicinal chemistry efforts aimed at developing a novel chemical class of AKT1 inhibitors as anti-AML agents.
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Affiliation(s)
- Andrea Astolfi
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Francesca Milano
- Hematology and Clinical Immunology, Department of Medicine and Surgery, University of Perugia, 06132 Perugia, Italy
| | - Deborah Palazzotti
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Jose Brea
- CIMUS Research Center, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Maria Chiara Pismataro
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Mariangela Morlando
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Oriana Tabarrini
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Maria Isabel Loza
- CIMUS Research Center, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Serena Massari
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
| | - Maria Paola Martelli
- Hematology and Clinical Immunology, Department of Medicine and Surgery, University of Perugia, 06132 Perugia, Italy
| | - Maria Letizia Barreca
- Department of Pharmaceutical Sciences, “Department of Excellence 2018–2022”, University of Perugia, 06123 Perugia, Italy
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Gamma-glutamyltransferase of Helicobacter pylori alters the proliferation, migration, and pluripotency of mesenchymal stem cells by affecting metabolism and methylation status. J Microbiol 2022; 60:627-639. [DOI: 10.1007/s12275-022-1575-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 02/07/2023]
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PIK3CA Mutation as Potential Poor Prognostic Marker in Asian Female Breast Cancer Patients Who Received Adjuvant Chemotherapy. Curr Oncol 2022; 29:2895-2908. [PMID: 35621626 PMCID: PMC9140087 DOI: 10.3390/curroncol29050236] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 12/02/2022] Open
Abstract
Background: The prognostic relevance of the PIK3CA mutation together with PD-L1, c-Met, and mismatch repair deficiency (dMMR) have not been fully investigated in Asian women with breast cancer (BC) who have undergone postoperative adjuvant chemotherapy. Methods: We analyzed PIK3CA mutations via peptide nucleic acid (PNA)-mediated real-time PCR assay, PD-L1/c-Met expression via immunohistochemistry (IHC), and microsatellite instability (MSI) status using PCR and IHC, in 191 resected BCs from 2008 to 2011. The Cancer Genome Atlas (TCGA) dataset for the involvement of the PIK3CA mutation with PD-L1/c-Met/MMR was explored. Results: The PNA clamp-mediated assay was able to detect the PIK3CA mutation in 1% of the mutant population in the cell line validation. Using this method, the PIK3CA mutation was found in 78 (49.4%) of 158 samples. c-Met and PD-L1 positivity were identified in 31.4 and 21.8% of samples, respectively, which commonly correlated with high histologic grade and triple-negative subtype. MSI/dMMR was observed in 8.4% of patients, with inconsistency between MMR IHC and the MSI PCR. The PIK3CA mutation exhibited a poor prognostic association regarding recurrence-free survival (RFS) in both overall and triple-negative BCs. In subgroup analyses, the PIK3CA-mutated tumors showed poorer RFS than the PIK3CA-wildtype within the c-Met-positive, MSS, triple-negative, or age onset <50 years subgroups, which showed a similar trend of association in TCGA data. Conclusions: PIK3CA mutation together with c-Met or dMMR/MSI status might be relevant to poor prognosis in BC subsets, especially in Asian women.
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Rindiarti A, Okamoto Y, Nakagawa S, Hirose J, Kodama Y, Nishikawa T, Kawano Y. Changes in intracellular activation-related gene expression and induction of Akt contribute to acquired resistance toward nelarabine in CCRF-CEM cell line. Leuk Lymphoma 2022; 63:404-415. [PMID: 35080473 DOI: 10.1080/10428194.2021.1992617] [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: 10/19/2022]
Abstract
Drug resistance is a major problem in treatment with nelarabine, and its resolution requires elucidation of the underlying mechanisms. We established two nelarabine-resistant subclones of the human T-cell lymphoblastic leukemia cell line CCRF-CEM. The resistant subclones showed changes in the expression of several genes related to nelarabine intracellular activation and inhibition of apoptosis. Activation of the Akt protein upon nelarabine treatment was observed in both subclones. The combination treatment with nelarabine and PI3K/Akt inhibitors was shown to inhibit cell growth. Cross-resistance was observed with ara-C and not with vincristine, daunorubicin, or etoposide treatment. Thus, changes in the expression of cellular activation-related genes, inhibition of apoptosis, and induction of Akt may be involved in the development of nelarabine resistance in the CCRF-CEM cell model. The use of different classes of chemotherapeutic agents and combination therapy with PI3K/Akt pathway inhibitors may be used to overcome resistance to nelarabine.
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Affiliation(s)
- Almitra Rindiarti
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Yasuhiro Okamoto
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Shunsuke Nakagawa
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Junko Hirose
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Yuichi Kodama
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Takuro Nishikawa
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Yoshifumi Kawano
- Department of Pediatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
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Taniguchi K, Suzuki T, Okamura T, Kurita A, Nohara G, Ishii S, Kado S, Takagi A, Tsugane M, Shishido Y. Perifosine, a Bioavailable Alkylphospholipid Akt Inhibitor, Exhibits Antitumor Activity in Murine Models of Cancer Brain Metastasis Through Favorable Tumor Exposure. Front Oncol 2021; 11:754365. [PMID: 34804943 PMCID: PMC8600181 DOI: 10.3389/fonc.2021.754365] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/19/2021] [Indexed: 12/18/2022] Open
Abstract
Metastatic brain tumors are regarded as the most advanced stage of certain types of cancer; however, chemotherapy has played a limited role in the treatment of brain metastases. Here, we established murine models of brain metastasis using cell lines derived from human brain metastatic tumors, and aimed to explore the antitumor efficacy of perifosine, an orally active allosteric Akt inhibitor. We evaluated the effectiveness of perifosine by using it as a single agent in ectopic and orthotopic models created by injecting the DU 145 and NCI-H1915 cell lines into mice. Initially, the injected cells formed distant multifocal lesions in the brains of NCI-H1915 mice, making surgical resection impractical in clinical settings. We determined that perifosine could distribute into the brain and remain localized in that region for a long period. Perifosine significantly prolonged the survival of DU 145 and NCI-H1915 orthotopic brain tumor mice; additionally, complete tumor regression was observed in the NCI-H1915 model. Perifosine also elicited much stronger antitumor responses against subcutaneous NCI-H1915 growth; a similar trend of sensitivity to perifosine was also observed in the orthotopic models. Moreover, the degree of suppression of NCI-H1915 tumor growth was associated with long-term exposure to a high level of perifosine at the tumor site and the resultant blockage of the PI3K/Akt signaling pathway, a decrease in tumor cell proliferation, and increased apoptosis. The results presented here provide a promising approach for the future treatment of patients with metastatic brain cancers and emphasize the importance of enriching a patient population that has a higher probability of responding to perifosine.
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Affiliation(s)
| | - Tomo Suzuki
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Tomomi Okamura
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Akinobu Kurita
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Gou Nohara
- Pharmaceutical Research & Development Department, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Satoru Ishii
- Pharmaceutical Research & Development Department, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Shoichi Kado
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Akimitsu Takagi
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
| | - Momomi Tsugane
- Yakult Central Institute, Yakult Honsha Co., Ltd., Tokyo, Japan
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Cuesta C, Arévalo-Alameda C, Castellano E. The Importance of Being PI3K in the RAS Signaling Network. Genes (Basel) 2021; 12:genes12071094. [PMID: 34356110 PMCID: PMC8303222 DOI: 10.3390/genes12071094] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/06/2021] [Accepted: 07/16/2021] [Indexed: 12/12/2022] Open
Abstract
Ras proteins are essential mediators of a multitude of cellular processes, and its deregulation is frequently associated with cancer appearance, progression, and metastasis. Ras-driven cancers are usually aggressive and difficult to treat. Although the recent Food and Drug Administration (FDA) approval of the first Ras G12C inhibitor is an important milestone, only a small percentage of patients will benefit from it. A better understanding of the context in which Ras operates in different tumor types and the outcomes mediated by each effector pathway may help to identify additional strategies and targets to treat Ras-driven tumors. Evidence emerging in recent years suggests that both oncogenic Ras signaling in tumor cells and non-oncogenic Ras signaling in stromal cells play an essential role in cancer. PI3K is one of the main Ras effectors, regulating important cellular processes such as cell viability or resistance to therapy or angiogenesis upon oncogenic Ras activation. In this review, we will summarize recent advances in the understanding of Ras-dependent activation of PI3K both in physiological conditions and cancer, with a focus on how this signaling pathway contributes to the formation of a tumor stroma that promotes tumor cell proliferation, migration, and spread.
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Yoshida K, Wilkins J, Winkler J, Wade JR, Kotani N, Wang N, Sane R, Chanu P. Population Pharmacokinetics of Ipatasertib and Its Metabolite in Cancer Patients. J Clin Pharmacol 2021; 61:1579-1591. [PMID: 34273118 DOI: 10.1002/jcph.1942] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/14/2021] [Indexed: 11/07/2022]
Abstract
Ipatasertib is a selective AKT kinase inhibitor currently in development for the treatment of several solid tumors, including breast and prostate cancers. This study was undertaken to characterize pharmacokinetic profiles of ipatasertib and its metabolite M1 (G-037720) and to understand the sources of variability. Population pharmacokinetic models of ipatasertib and M1 were developed separately using data from 342 individuals with cancer from 5 phase 1 and 2 studies. The final population pharmacokinetic models for ipatasertib and M1 were 3-compartmental, with first-order elimination and sequential zero- and first-order absorption. Ipatasertib bioavailability and M1 formation increased after multiple dosing, resulting in an increase in exposure beyond that expected from accumulation alone. Covariate effects of ipatasertib include decreased oral clearance with increasing age and with coadministration of abiraterone, as well as decreased bioavailability with increasing weight. For ages 37 and 80 years, steady-state area under the curve (AUCss ) was predicted to be 81% and 109%, respectively, of the typical population value (64 years). For body weight of 49 and 111 kg, AUCss was predicted to be 132% and 78%, respectively, of the typical population value (75 kg). The small magnitude of change in ipatasertib exposure is not likely to be clinically relevant. For M1, the peripheral distribution volume and intercompartmental clearance increased with increasing weight. Coadministration of abiraterone was estimated to increase M1 exposure by 61% at steady state. Mild and moderate renal impairment, mild hepatic impairment, and race were not identified as significant covariates in the final models for ipatasertib and M1.
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Affiliation(s)
- Kenta Yoshida
- Department of Clinical Pharmacology, Genentech, Inc., a member of the Roche Group, South San Francisco, California, USA
| | | | | | | | - Naoki Kotani
- Department of Clinical Pharmacology, Genentech, Inc., a member of the Roche Group, South San Francisco, California, USA
- Pharmaceutical Science Department, Chugai Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Nina Wang
- Department of Clinical Pharmacology, Genentech, Inc., a member of the Roche Group, South San Francisco, California, USA
| | - Rucha Sane
- Department of Clinical Pharmacology, Genentech, Inc., a member of the Roche Group, South San Francisco, California, USA
| | - Pascal Chanu
- Department of Clinical Pharmacology, Genentech/Roche, Lyon, France
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16
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Dent R, Oliveira M, Isakoff SJ, Im SA, Espié M, Blau S, Tan AR, Saura C, Wongchenko MJ, Xu N, Bradley D, Reilly SJ, Mani A, Kim SB. Final results of the double-blind placebo-controlled randomized phase 2 LOTUS trial of first-line ipatasertib plus paclitaxel for inoperable locally advanced/metastatic triple-negative breast cancer. Breast Cancer Res Treat 2021; 189:377-386. [PMID: 34264439 DOI: 10.1007/s10549-021-06143-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/08/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE In LOTUS (NCT02162719), adding the oral AKT inhibitor ipatasertib to first-line paclitaxel for locally advanced/metastatic triple-negative breast cancer (aTNBC) improved progression-free survival (PFS; primary endpoint), with an enhanced effect in patients with PIK3CA/AKT1/PTEN-altered tumors (FoundationOne next-generation sequencing [NGS] assay). We report final overall survival (OS) results. METHODS Eligible patients had measurable previously untreated aTNBC. Patients were stratified by prior (neo)adjuvant therapy, chemotherapy-free interval, and tumor immunohistochemistry PTEN status, and were randomized 1:1 to paclitaxel 80 mg/m2 (days 1, 8, 15) plus ipatasertib 400 mg or placebo (days 1-21) every 28 days until disease progression or unacceptable toxicity. OS (intent-to-treat [ITT], immunohistochemistry PTEN-low, and PI3K/AKT pathway-activated [NGS PIK3CA/AKT1/PTEN-altered] populations) was a secondary endpoint. RESULTS Median follow-up was 19.0 versus 16.0 months in the ipatasertib-paclitaxel versus placebo-paclitaxel arms, respectively. In the ITT population (n = 124), median OS was numerically longer with ipatasertib-paclitaxel than placebo-paclitaxel (hazard ratio 0.80, 95% CI 0.50-1.28; median 25.8 vs 16.9 months, respectively; 1-year OS 83% vs 68%). Likewise, median OS favored ipatasertib-paclitaxel in the PTEN-low (n = 48; 23.1 vs 15.8 months; hazard ratio 0.83) and PIK3CA/AKT1/PTEN-altered (n = 42; 25.8 vs 22.1 months; hazard ratio 1.13) subgroups. The ipatasertib-paclitaxel safety profile was unchanged. CONCLUSIONS Final OS results show a numerical trend favoring ipatasertib-paclitaxel and median OS exceeding 2 years with ipatasertib-paclitaxel. Overall, results are consistent with the reported PFS benefit; interpretation within biomarker-defined subgroups is complicated by small sample sizes and TNBC heterogeneity.
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Affiliation(s)
- Rebecca Dent
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore.
- Duke-NUS Medical School, 11 Hospital Crescent, Singapore, Singapore.
| | - Mafalda Oliveira
- Medical Oncology Department, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Steven J Isakoff
- Division of Hematology and Oncology, Massachusetts General Hospital, Boston, MA, USA
| | - Seock-Ah Im
- Department of Internal Medicine, Seoul National University Hospital, and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Marc Espié
- Department of Medical Oncology, Breast Disease Center, Hospital Saint Louis, Paris, France
| | - Sibel Blau
- Oncology Division, Northwest Medical Specialties, Puyallup, WA, USA
| | - Antoinette R Tan
- Department of Solid Tumor and Investigational Therapeutics, Levine Cancer Institute, Atrium Health, Charlotte, NC, USA
| | - Cristina Saura
- Medical Oncology Department, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | | | - Na Xu
- Biostatistics, Genentech, Inc., South San Francisco, CA, USA
| | - Denise Bradley
- Pharma Development, Roche Products Ltd, Welwyn Garden City, UK
| | | | - Aruna Mani
- Product Development Oncology, Genentech, Inc., South San Francisco, CA, USA
| | - Sung-Bae Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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Zarębska I, Gzil A, Durślewicz J, Jaworski D, Antosik P, Ahmadi N, Smolińska-Świtała M, Grzanka D, Szylberg Ł. The clinical, prognostic and therapeutic significance of liver cancer stem cells and their markers. Clin Res Hepatol Gastroenterol 2021; 45:101664. [PMID: 33667731 DOI: 10.1016/j.clinre.2021.101664] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 09/24/2020] [Accepted: 02/17/2021] [Indexed: 02/04/2023]
Abstract
Hepatocellular carcinoma (HCC) is the fourth most common cause of death among cancers. The poor prognosis of HCC might be caused by a population of cancer stem cells (CSC). CSC have similar characteristics to normal stem cells and are responsible for cancer recurrence, chemoresistance, radioresistance and metastasis. Liver cancer stem cells (LCSC) are identified via specific surface markers, such as CD44, CD90, CD133, and EpCAM (CD326). Recent studies suggested a complex interaction between mentioned LCSC markers and clinical features of HCC. A high expression of CSC is correlated with a negative prognostic factor after surgical resection of HCC and is connected with more aggressive tumor behavior. Moreover, LCSC might be responsible for increasing resistance to sorafenib, a kinase inhibitor drug. A reduction in the LCSC population may be crucial to successful advanced HCC therapy.
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Affiliation(s)
- Izabela Zarębska
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland.
| | - Arkadiusz Gzil
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Justyna Durślewicz
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Damian Jaworski
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Paulina Antosik
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Navid Ahmadi
- Chair and Department of Oncologic Pathology and Prophylactics, Greater Poland Cancer Center, Poznan University of Medical Sciences, Poland
| | - Marta Smolińska-Świtała
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Dariusz Grzanka
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland
| | - Łukasz Szylberg
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Sklodowskiej-Curie Str. 9, 85-094 Bydgoszcz, Poland; Department of Pathomorphology, Military Clinical Hospital, Bydgoszcz, Poland; Department of Tumor Pathology and Pathomorphology, Oncology Center, Prof. Franciszek Łukaszczyk Memorial Hospital, Bydgoszcz, Poland
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18
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Gris-Oliver A, Ibrahim YH, Rivas MA, García-García C, Sánchez-Guixé M, Ruiz-Pace F, Viaplana C, Pérez-García JM, Llombart-Cussac A, Grueso J, Parés M, Guzmán M, Rodríguez O, Anton P, Cozar P, Calvo MT, Bruna A, Arribas J, Caldas C, Dienstmann R, Nuciforo P, Oliveira M, Cortés J, Serra V. PI3K activation promotes resistance to eribulin in HER2-negative breast cancer. Br J Cancer 2021; 124:1581-1591. [PMID: 33723394 PMCID: PMC8076303 DOI: 10.1038/s41416-021-01293-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Eribulin is a microtubule-targeting agent approved for the treatment of advanced or metastatic breast cancer (BC) previously treated with anthracycline- and taxane-based regimens. PIK3CA mutation is associated with worse response to chemotherapy in oestrogen receptor-positive (ER+)/human epidermal growth factor receptor 2-negative (HER2-) metastatic BC. We aimed to evaluate the role of phosphoinositide 3-kinase (PI3K)/AKT pathway mutations in eribulin resistance. METHODS Resistance to eribulin was evaluated in HER2- BC cell lines and patient-derived tumour xenografts, and correlated with a mutation in the PI3K/AKT pathway. RESULTS Eleven out of 23 HER2- BC xenografts treated with eribulin exhibited disease progression. No correlation with ER status was detected. Among the resistant models, 64% carried mutations in PIK3CA, PIK3R1 or AKT1, but only 17% among the sensitive xenografts (P = 0.036). We observed that eribulin treatment induced AKT phosphorylation in vitro and in patient tumours. In agreement, the addition of PI3K inhibitors reversed primary and acquired resistance to eribulin in xenograft models, regardless of the genetic alterations in PI3K/AKT pathway or ER status. Mechanistically, PI3K blockade reduced p21 levels likely enabling apoptosis, thus sensitising to eribulin treatment. CONCLUSIONS PI3K pathway activation induces primary resistance or early adaptation to eribulin, supporting the combination of PI3K inhibitors and eribulin for the treatment of HER2- BC patients.
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Affiliation(s)
- Albert Gris-Oliver
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Yasir H Ibrahim
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Martín A Rivas
- Department of Medicine, Weil Cornell Medicine, New York, NY, USA
| | - Celina García-García
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Mònica Sánchez-Guixé
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Fiorella Ruiz-Pace
- Oncology Data Science (ODysSey Group), Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Cristina Viaplana
- Oncology Data Science (ODysSey Group), Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - José M Pérez-García
- Department of Medical Oncology, Hospital Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
- Medica Scientia Innovation Research (MedSIR), Barcelona, Spain
- Medica Scientia Innovation Research (MedSIR), Ridgewood, NJ, USA
- Breast Cancer Program, Quironsalud Group, Institute of Oncology (IOB), Barcelona, Spain
- Breast Cancer Program, Quironsalud Group, Institute of Oncology (IOB), Madrid, Spain
| | - Antonio Llombart-Cussac
- Medica Scientia Innovation Research (MedSIR), Barcelona, Spain
- Medica Scientia Innovation Research (MedSIR), Ridgewood, NJ, USA
| | - Judit Grueso
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Mireia Parés
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Marta Guzmán
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Olga Rodríguez
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Pilar Anton
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Patricia Cozar
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Maria Teresa Calvo
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Alejandra Bruna
- Preclinical Modelling of Paediatric Cancer Evolution Team, Institute of Cancer Research, Sutton, UK
| | - Joaquín Arribas
- Growth Factors Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
- Department of Biochemistry and Molecular Biology, Universitat Autònoma de Barcelona, Campus de la UAB, Bellaterra, Spain
- Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain
- CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Carlos Caldas
- Department of Oncology and Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK
- Cambridge Breast Unit, NIHR Cambridge Biomedical Research Centre and Cambridge Experimental Cancer Medicine Centre at Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Rodrigo Dienstmann
- Oncology Data Science (ODysSey Group), Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Paolo Nuciforo
- CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
- Molecular Oncology Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Mafalda Oliveira
- Department of Medical Oncology, Hospital Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
- Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Javier Cortés
- Medica Scientia Innovation Research (MedSIR), Barcelona, Spain.
- Medica Scientia Innovation Research (MedSIR), Ridgewood, NJ, USA.
- Breast Cancer Program, Quironsalud Group, Institute of Oncology (IOB), Barcelona, Spain.
- Breast Cancer Program, Quironsalud Group, Institute of Oncology (IOB), Madrid, Spain.
- Breast Cancer GroupVall d'Hebron Institute of Oncology, Barcelona, Spain.
| | - Violeta Serra
- Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain.
- CIBERONC, Instituto de Salud Carlos III, Madrid, Spain.
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19
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Wang Q, Chen X, Jiang Y, Liu S, Liu H, Sun X, Zhang H, Liu Z, Tao Y, Li C, Hu Y, Liu D, Ye D, Liu Y, Wang M, Zhang X. Elevating H3K27me3 level sensitizes colorectal cancer to oxaliplatin. J Mol Cell Biol 2021; 12:125-137. [PMID: 31065671 PMCID: PMC7109602 DOI: 10.1093/jmcb/mjz032] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 02/13/2019] [Accepted: 03/05/2019] [Indexed: 12/18/2022] Open
Abstract
Histone methylation is a context-dependent modification that regulates gene expression, and the trimethylation of histone H3 lysine 27 (H3K27me3) usually induces gene silencing. Overcoming colorectal cancer (CRC) chemoresistance is currently a huge challenge, but the relationship between H3K27me3 modification and chemoresistance remains largely unclear. Here, we found that H3K27me3 levels positively correlated with the metastasis-free survival of CRC patients and a low H3K27me3 level predicted a poor outcome upon chemotherapeutic drug treatment. Oxaliplatin stimulation significantly induced the expression of H3K27 lysine demethylase 6A/6B (KDM6A/6B), thus decreasing the level of H3K27me3 in CRC cells. Elevation of H3K27me3 level through KDM6A/6B depletion or GSK-J4 (a KDM6A/6B inhibitor) treatment significantly enhanced oxaliplatin-induced apoptosis. Conversely, when inhibiting the expression of H3K27me3 by EPZ-6438, an inhibitor of the histone methyltransferase EZH2, the proportion of apoptotic cells remarkably decreased. In addition, the combination of GSK-J4 and oxaliplatin significantly inhibited tumor growth in an oxaliplatin-resistant patient-derived xenograft model. Importantly, we revealed that oxaliplatin treatment dramatically induced NOTCH2 expression, which was caused by downregulation of H3K27me3 level on the NOTCH2 transcription initiation site. Thus, the activated NOTCH signaling promoted the expression of stemness-related genes, which resulted in oxaliplatin resistance. Furthermore, oxaliplatin-induced NOTCH signaling could be interrupted by GSK-J4 treatment. Collectively, our findings suggest that elevating H3K27me3 level can improve drug sensitivity in CRC patients.
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Affiliation(s)
- Qi Wang
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Xi Chen
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Yuhang Jiang
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Sanhong Liu
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China.,Affiliated Cancer Hospital & Institute, Guangzhou Medical University, Guangzhou 510000, 195 Dongfeng West Road, Guangzhou, China.,Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201210, 393 Huaxia Middle Road, Shanghai, China
| | - Hanshao Liu
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China.,Affiliated Cancer Hospital & Institute, Guangzhou Medical University, Guangzhou 510000, 195 Dongfeng West Road, Guangzhou, China
| | - Xiaohua Sun
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Haohao Zhang
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Zhi Liu
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Yu Tao
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Cuifeng Li
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Yiming Hu
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Dandan Liu
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Deji Ye
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China
| | - Yongzhong Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200032, Ruijin 2nd Road, Shanghai, China
| | - Mingliang Wang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, Ruijin 2nd Road, Shanghai, China
| | - Xiaoren Zhang
- The Key Laboratory of Stem Cell Biology, Shanghai Jiao Tong University School of Medicine & Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200025, 227 Chongqing South Road, Shanghai, China.,Affiliated Cancer Hospital & Institute, Guangzhou Medical University, Guangzhou 510000, 195 Dongfeng West Road, Guangzhou, China
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20
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Fabi F, Adam P, Parent S, Tardif L, Cadrin M, Asselin E. Pharmacologic inhibition of Akt in combination with chemotherapeutic agents effectively induces apoptosis in ovarian and endometrial cancer cell lines. Mol Oncol 2021; 15:2106-2119. [PMID: 33338300 PMCID: PMC8334290 DOI: 10.1002/1878-0261.12888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 11/29/2020] [Accepted: 12/16/2020] [Indexed: 01/03/2023] Open
Abstract
The PI3K/Akt signaling pathway, the most frequently altered signaling system in human cancer, is a crucial inducer of dysregulated proliferation and neoplastic processes; however, few therapeutic strategies using PI3K/Akt inhibitors singly have been shown to be effective. The purpose of this paper was to underline the potential benefit of pharmacological modulation of the PI3K/Akt pathway when combined with specific chemotherapeutic regimens. We have studied the ability of NVP‐BEZ235 (PI3K/mTOR inhibitor) and AZD5363 (Akt inhibitor) in the sensitization of cancer cells to cisplatin and doxorubicin. Our results show that NVP‐BEZ235 sensitizes cells preferentially to cisplatin while AZD5363 sensitizes cells to doxorubicin. At equal concentrations (5 μm), both inhibitors reduce ribosomal protein S6 phosphorylation, but AZD5363 is more effective in reducing GSK3β phosphorylation as well as S6 phosphorylation. Additionally, AZD5363 is capable of inducing FOXO1 and p53 nuclear localization and reduces BAD phosphorylation, which is generally increased by cisplatin and doxorubicin. Finally, the combination of AZD5363 and doxorubicin induces apoptosis in cells and robustly reduces cell ability to clonally replicate, which underlines a potential cooperative effect of the studied compounds.
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Affiliation(s)
- François Fabi
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
| | - Pascal Adam
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
| | - Sophie Parent
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
| | - Laurence Tardif
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
| | - Monique Cadrin
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
| | - Eric Asselin
- Department of Medical Biology, Université du Québec à Trois-Rivières, Canada
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21
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Kang AR, Cho JH, Lee NG, Kwon JH, Song JY, Hwang SG, Jung IS, Kim JS, Um HD, Oh SC, Park JK. Radiation-induced IL-1β expression and secretion promote cancer cell migration/invasion via activation of the NF-κB-RIP1 pathway. Biochem Biophys Res Commun 2021; 534:973-979. [PMID: 33176910 DOI: 10.1016/j.bbrc.2020.10.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023]
Abstract
Here, we demonstrate that interleukin-1β (IL-1β) contributes to the γ-ionizing radiation (IR)-induced increase of migration/invasion in A549 lung cancer cells, and that this occurs via RIP1 upregulation. We initially observed that the protein expression and secreted concentration of IL-1β were increased upon exposure of A549 cells to IR. We then demonstrated that IR-induced IL-1β is located downstream of the NF-κB-RIP1 signaling pathway. Treatments with siRNA and specific pharmaceutical inhibitors of RIP1 and NF-κB suppressed the IR-induced increases in the protein expression and secreted concentration of IL-1β. IL-1Ra, an antagonist of IL-1β, treatment suppressed the IR-induced epithelial-mesenchymal transition (EMT) and IR-induced invasion/migration in vitro. These results suggest that IL-1β could regulate IR-induced EMT. We also found that IR could induce the expression of IL-1β expression in vivo and that of IL-1 receptor (R) I/II in vitro and in vivo. The IR-induced increases in the protein levels of IL-1 RI/II and IL-1β suggest that an autocrine loop between IL-1β and IL-1 RI/II might play important roles in IR-induced EMT and migration/invasion. Based on these collective results, we propose that IR concomitantly activates NF-κB and RIP1 to trigger the NF-κB-RIP1-IL-1β-IL-1RI/II-EMT pathway, ultimately promoting metastasis.
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Affiliation(s)
- A-Ram Kang
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Jeong Hyun Cho
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Na-Gyeong Lee
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Jin-Hee Kwon
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Jie-Young Song
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Sang-Gu Hwang
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - In Su Jung
- Medical Accelerator Team, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Jae-Sung Kim
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Hong-Duck Um
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea
| | - Sang Cheul Oh
- Department of Oncology, Korea University Guro Hospital, Seoul, 08308, Republic of Korea
| | - Jong Kuk Park
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, Republic of Korea.
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22
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Targeted inhibition of cooperative mutation- and therapy-induced AKT activation in AML effectively enhances response to chemotherapy. Leukemia 2020; 35:2030-2042. [PMID: 33299144 DOI: 10.1038/s41375-020-01094-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/30/2020] [Accepted: 11/09/2020] [Indexed: 11/09/2022]
Abstract
Most AML patients exhibit mutational activation of the PI3K/AKT signaling pathway, which promotes downstream effects including growth, survival, DNA repair, and resistance to chemotherapy. Herein we demonstrate that the inv(16)/KITD816Y AML mouse model exhibits constitutive activation of PI3K/AKT signaling, which was enhanced by chemotherapy-induced DNA damage through DNA-PK-dependent AKT phosphorylation. Strikingly, inhibitors of either PI3K or DNA-PK markedly reduced chemotherapy-induced AKT phosphorylation and signaling leading to increased DNA damage and apoptosis of inv(16)/KITD816Y AML cells in response to chemotherapy. Consistently, combinations of chemotherapy and PI3K or DNA-PK inhibitors synergistically inhibited growth and survival of clonogenic AML cells without substantially inhibiting normal clonogenic bone marrow cells. Moreover, treatment of inv(16)/KITD816Y AML mice with combinations of chemotherapy and PI3K or DNA-PK inhibitors significantly prolonged survival compared to untreated/single-treated mice. Mechanistically, our findings implicate that constitutive activation of PI3K/AKT signaling driven by mutant KIT, and potentially other mutational activators such as FLT3 and RAS, cooperates with chemotherapy-induced DNA-PK-dependent activation of AKT to promote survival, DNA repair, and chemotherapy resistance in AML. Hence, our study provides a rationale to select AML patients exhibiting constitutive PI3K/AKT activation for simultaneous treatment with chemotherapy and inhibitors of DNA-PK and PI3K to improve chemotherapy response and clinical outcome.
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23
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Liu RM, Xu P, Chen Q, Feng SL, Xie Y. A multiple-targets alkaloid nuciferine overcomes paclitaxel-induced drug resistance in vitro and in vivo. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 79:153342. [PMID: 32992085 DOI: 10.1016/j.phymed.2020.153342] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/13/2020] [Accepted: 09/09/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVE Multidrug resistance (MDR) is the major barrier to the successful treatment of chemotherapy. Compounds from nature products working as MDR sensitizers provided new treatment strategies for chemo-resistant cancers patients. METHODS We investigated the reversal effects of nuciferine (NF), an alkaloid from Nelumbo nucifera and Nymphaea caerulea, on the paclitaxel (PTX) resistance ABCB1-overexpressing cancer in vitro and in vivo, and explored the underlying mechanism by evaluating drug sensitivity, cell cycle perturbations, intracellular accumulation, function and protein expression of efflux transporters as well as molecular signaling involved in governing transporters expression and development of MDR in cancer. RESULTS NF overcomes the resistance of chemotherapeutic agents included PTX, doxorubicin (DOX), docetaxel, and daunorubicin to HCT-8/T and A549/T cancer cells. Notably, NF suppressed the colony formation of MDR cells in vitro and the tumor growth in A549/T xenograft mice in vivo, which demonstrated a very strong synergetic cytotoxic effect between NF and PTX as combination index (CI) (CI<0.1) indicated. Furthermore, NF increased the intracellular accumulation of P-gp substrates included DOX and Rho123 in the MDR cells and inhibited verapamil-stimulated ATPase activity. Mechanistically, inhibition of PI3K/AKT/ERK pathways by NF suppressed the activation of Nrf2 and HIF-1α, and further reduced the expression of P-gp and BCRP, contributing to the sensitizing effects of NF against MDR in cancer. CONCLUSION This novel finding provides a promising treatment strategy for overcoming MDR and improving the efficiency of chemotherapy by using a multiple-targets MDR sensitizer NF.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- ATP Binding Cassette Transporter, Subfamily G, Member 2/metabolism
- Animals
- Antineoplastic Agents, Phytogenic/pharmacology
- Aporphines/pharmacology
- Cell Line, Tumor
- Docetaxel/pharmacology
- Doxorubicin/pharmacology
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Neoplasm/drug effects
- Female
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/antagonists & inhibitors
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Mice, Inbred BALB C
- Molecular Targeted Therapy
- Neoplasm Proteins/metabolism
- Paclitaxel/pharmacology
- Phosphatidylinositol 3-Kinases/metabolism
- Proto-Oncogene Proteins c-akt/metabolism
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Rui-Ming Liu
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Peng Xu
- Department of Nephrology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, P. R. China
| | - Qi Chen
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Sen-Ling Feng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Ying Xie
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR).
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TrkB-Targeted Therapy for Mucoepidermoid Carcinoma. Biomedicines 2020; 8:biomedicines8120531. [PMID: 33255325 PMCID: PMC7759804 DOI: 10.3390/biomedicines8120531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/10/2020] [Accepted: 11/22/2020] [Indexed: 12/21/2022] Open
Abstract
The brain-derived neurotrophic factor (BDNF)/tyrosine receptor kinase B (TrkB) pathway was previously associated with key oncogenic outcomes in a number of adenocarcinomas. The aim of our study was to determine the role of this pathway in mucoepidermoid carcinoma (MEC). Three MEC cell lines (UM-HMC-2, H253 and H292) were exposed to Cisplatin, the TrkB inhibitor, ANA-12 and a combination of these drugs. Ultrastructural changes were assessed through transmission electron microscopy; scratch and Transwell assays were used to assess migration and invasion; and a clonogenic assay and spheroid-forming assay allowed assessment of survival and percentage of cancer stem cells (CSC). Changes in cell ultrastructure demonstrated Cisplatin cytotoxicity, while the effects of ANA-12 were less pronounced. Both drugs, used individually and in combination, delayed MEC cell migration, invasion and survival. ANA-12 significantly reduced the number of CSC, but the Cisplatin effect was greater, almost eliminating this cell population in all MEC cell lines. Interestingly, the spheroid forming capacity recovered, following the combination therapy, as compared to Cisplatin alone. Our studies allowed us to conclude that the TrkB inhibition, efficiently impaired MEC cell migration, invasion and survival in vitro, however, the decrease in CSC number, following the combined treatment of ANA-12 and Cisplatin, was less than that seen with Cisplatin alone; this represents a limiting factor.
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25
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Fortino V, Scala G, Greco D. Feature set optimization in biomarker discovery from genome-scale data. Bioinformatics 2020; 36:3393-3400. [PMID: 32119073 DOI: 10.1093/bioinformatics/btaa144] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 02/20/2020] [Accepted: 02/26/2020] [Indexed: 12/27/2022] Open
Abstract
MOTIVATION Omics technologies have the potential to facilitate the discovery of new biomarkers. However, only few omics-derived biomarkers have been successfully translated into clinical applications to date. Feature selection is a crucial step in this process that identifies small sets of features with high predictive power. Models consisting of a limited number of features are not only more robust in analytical terms, but also ensure cost effectiveness and clinical translatability of new biomarker panels. Here we introduce GARBO, a novel multi-island adaptive genetic algorithm to simultaneously optimize accuracy and set size in omics-driven biomarker discovery problems. RESULTS Compared to existing methods, GARBO enables the identification of biomarker sets that best optimize the trade-off between classification accuracy and number of biomarkers. We tested GARBO and six alternative selection methods with two high relevant topics in precision medicine: cancer patient stratification and drug sensitivity prediction. We found multivariate biomarker models from different omics data types such as mRNA, miRNA, copy number variation, mutation and DNA methylation. The top performing models were evaluated by using two different strategies: the Pareto-based selection, and the weighted sum between accuracy and set size (w = 0.5). Pareto-based preferences show the ability of the proposed algorithm to search minimal subsets of relevant features that can be used to model accurate random forest-based classification systems. Moreover, GARBO systematically identified, on larger omics data types, such as gene expression and DNA methylation, biomarker panels exhibiting higher classification accuracy or employing a number of features much lower than those discovered with other methods. These results were confirmed on independent datasets. AVAILABILITY AND IMPLEMENTATION github.com/Greco-Lab/GARBO. CONTACT dario.greco@tuni.fi. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- V Fortino
- Institute of Biomedicine, University of Eastern Finland, Kuopio 70210, Finland
| | - G Scala
- Faculty of Medicine and Health Technology, Tampere University, Tampere 33100, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki 00014, Finland
| | - D Greco
- Faculty of Medicine and Health Technology, Tampere University, Tampere 33100, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki 00014, Finland
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26
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Abstract
Since time immemorial, ginger has been widely used as a food spice, providing aromatic odor and pungent taste, and as a medicinal plant, with various therapeutic effects such as antioxidant, anti-inflammatory, and analgesic, among others. It has long been an integral constituent of most herbal medicines in Africa, China and India. Its medicinal properties are largely attributed to its outstanding amount of phenolics which include gingerols, paradols, zingerones, and many others. With consumer preference gradually and remarkably shifting from high-calorie towards low-calorie and functional beverages, the demand for ginger beer is flourishing at a faster rate. Currently, the ginger beer market is dominated by the United States. The demand for ginger beer is, however, debilitated by using artificial ingredients. Nonetheless, the use of natural ginger extract enriches beer with putative bioactive phytoconstituents such as shagaol, gingerone, zingerone, ginger flavonoids and essential oils, as well as essential nutritional components including proteins, vitamins and minerals, to promote general wellbeing of consumer. This paper presents an overview of the phytoconstituents of ginger as well as the overall biological activities they confer to the consumer. In addition, the market trend as well as the production technology of ginger beer using natural ginger extract is described here.
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27
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Ide H, Goto T, Teramoto Y, Mizushima T, Jiang G, Nagata Y, Inoue S, Baras AS, Kashiwagi E, Miyamoto H. FOXO1 inactivation induces cisplatin resistance in bladder cancer. Cancer Sci 2020; 111:3397-3400. [PMID: 32678492 PMCID: PMC7469822 DOI: 10.1111/cas.14557] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/19/2020] [Accepted: 06/30/2020] [Indexed: 01/09/2023] Open
Abstract
We found that FOXO1-shRNA sublines or FOXO1-positive cells co-treated with a FOXO1 inhibitor were significantly more resistant to cisplatin treatment at pharmacological concentrations, compared with respective control sublines or those with mock treatment. Western blot demonstrated considerable increases in the expression levels of a phosphorylated inactive form of FOXO1 (p-FOXO1) in cisplatin-resistant sublines established by long-term culture with low/increasing doses of cisplatin, compared with respective controls. Immunohistochemistry in surgical specimens from patients with muscle-invasive bladder cancer undergoing cisplatin-based neoadjuvant therapy further showed a strong trend to associate between p-FOXO1 positivity and unfavorable response to chemotherapy.
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Affiliation(s)
- Hiroki Ide
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
- Department of UrologyKeio University School of MedicineTokyoJapan
| | - Takuro Goto
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Yuki Teramoto
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Taichi Mizushima
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Guiyang Jiang
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Yujiro Nagata
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Satoshi Inoue
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
| | - Alexander S. Baras
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
| | - Eiji Kashiwagi
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
| | - Hiroshi Miyamoto
- Department of PathologyJohns Hopkins University School of MedicineBaltimoreMDUSA
- James Buchanan Brady Urological InstituteJohns Hopkins University School of MedicineBaltimoreMDUSA
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNYUSA
- James P. Wilmot Cancer InstituteUniversity of Rochester Medical CenterRochesterNYUSA
- Department of UrologyUniversity of Rochester Medical CenterRochesterNYUSA
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28
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Varghese E, Samuel SM, Líšková A, Samec M, Kubatka P, Büsselberg D. Targeting Glucose Metabolism to Overcome Resistance to Anticancer Chemotherapy in Breast Cancer. Cancers (Basel) 2020; 12:E2252. [PMID: 32806533 PMCID: PMC7464784 DOI: 10.3390/cancers12082252] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 01/10/2023] Open
Abstract
Breast cancer (BC) is the most prevalent cancer in women. BC is heterogeneous, with distinct phenotypical and morphological characteristics. These are based on their gene expression profiles, which divide BC into different subtypes, among which the triple-negative breast cancer (TNBC) subtype is the most aggressive one. The growing interest in tumor metabolism emphasizes the role of altered glucose metabolism in driving cancer progression, response to cancer treatment, and its distinct role in therapy resistance. Alterations in glucose metabolism are characterized by increased uptake of glucose, hyperactivated glycolysis, decreased oxidative phosphorylation (OXPHOS) component, and the accumulation of lactate. These deviations are attributed to the upregulation of key glycolytic enzymes and transporters of the glucose metabolic pathway. Key glycolytic enzymes such as hexokinase, lactate dehydrogenase, and enolase are upregulated, thereby conferring resistance towards drugs such as cisplatin, paclitaxel, tamoxifen, and doxorubicin. Besides, drug efflux and detoxification are two energy-dependent mechanisms contributing to resistance. The emergence of resistance to chemotherapy can occur at an early or later stage of the treatment, thus limiting the success and outcome of the therapy. Therefore, understanding the aberrant glucose metabolism in tumors and its link in conferring therapy resistance is essential. Using combinatory treatment with metabolic inhibitors, for example, 2-deoxy-D-glucose (2-DG) and metformin, showed promising results in countering therapy resistance. Newer drug designs such as drugs conjugated to sugars or peptides that utilize the enhanced expression of tumor cell glucose transporters offer selective and efficient drug delivery to cancer cells with less toxicity to healthy cells. Last but not least, naturally occurring compounds of plants defined as phytochemicals manifest a promising approach for the eradication of cancer cells via suppression of essential enzymes or other compartments associated with glycolysis. Their benefits for human health open new opportunities in therapeutic intervention, either alone or in combination with chemotherapeutic drugs. Importantly, phytochemicals as efficacious instruments of anticancer therapy can suppress events leading to chemoresistance of cancer cells. Here, we review the current knowledge of altered glucose metabolism in contributing to resistance to classical anticancer drugs in BC treatment and various ways to target the aberrant metabolism that will serve as a promising strategy for chemosensitizing tumors and overcoming resistance in BC.
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Affiliation(s)
- Elizabeth Varghese
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar; (E.V.); (S.M.S.)
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar; (E.V.); (S.M.S.)
| | - Alena Líšková
- Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia; (A.L.); (M.S.)
| | - Marek Samec
- Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia; (A.L.); (M.S.)
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601 Martin, Slovakia;
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha 24144, Qatar; (E.V.); (S.M.S.)
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29
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Zhao L, Zhang W, Zhang F. Poncirin downregulates ATP-binding cassette transporters to enhance cisplatin sensitivity in cisplatin-resistant osteosarcoma cells. Phytother Res 2020; 35:278-288. [PMID: 32779800 DOI: 10.1002/ptr.6798] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/15/2020] [Accepted: 06/23/2020] [Indexed: 01/19/2023]
Abstract
Poncirin, a flavanone glycoside with bitter taste extracted from dried immature fruit of Poncirus trifoliate, exhibits multiple biological activities including anti-tumor activity. Our study aimed to determine the effect and potential mechanism of poncirin on cisplatin resistance in osteosarcoma (OS) cells. CCK-8, flow cytometry analysis, and caspase-3/7 activity assays were used to evaluate cisplatin sensitivity. The expression changes of multidrug resistance 1 (MDR1), multidrug resistance-associated protein (MRP1), breast cancer resistance protein (BCRP), and phosphatidylinositol 3 kinase (PI3K)/protein kinase B (Akt) pathway-related proteins were detected by RT-qPCR or western blot analyses. Results showed that poncirin exposure enhanced cisplatin sensitivity, promoted apoptosis, and increased caspase-3/7 activity in cisplatin-resistant OS cells. Poncirin decreased the expression levels of MDR1, MRP1, and BCRP, and inhibited the PI3K/Akt signaling in OS cells. Rescue experiments suggested that activation of the PI3K/Akt signaling by 740Y-P abolished poncirin-induced expression reduction of MDR1, MRP1, and BCRP, and attenuated the facilitative effects of poncirin on cisplatin sensitivity and apoptosis in cisplatin-resistant OS cells. In summary, poncirin suppressed cisplatin resistance in cisplatin-resistant OS cells by downregulating the expression of MDR1, MRP1, and BCRP through inhibiting the PI3K/Akt pathway.
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Affiliation(s)
- Liujing Zhao
- Department of Orthopedics, Shanxian Central Hospital, Heze, China
| | - Weiwei Zhang
- Department of Oncology, Shanxian Central Hospital, Heze, China
| | - Fang Zhang
- Department of Orthopedics, Shanxian Central Hospital, Heze, China
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Dukaew N, Chairatvit K, Pitchakarn P, Imsumran A, Karinchai J, Tuntiwechapikul W, Wongnoppavich A. Inactivation of AKT/NF‑κB signaling by eurycomalactone decreases human NSCLC cell viability and improves the chemosensitivity to cisplatin. Oncol Rep 2020; 44:1441-1454. [PMID: 32945500 PMCID: PMC7448543 DOI: 10.3892/or.2020.7710] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 07/03/2020] [Indexed: 01/03/2023] Open
Abstract
The high activation of protein kinase B (AKT)/nuclear factor-κB (NF-κB) signaling has often been associated with the induction of non-small cell lung cancer (NSCLC) cell survival and resistance to cisplatin, which is one of the most widely used chemotherapeutic drugs in the treatment of NSCLC. The inhibition of AKT/NF-κB can potentially be used as a molecular target for cancer therapy. Eurycomalactone (ECL), a quassinoid from Eurycoma longifolia Jack, has previously been revealed to exhibit strong cytotoxic activity against the human NSCLC A549 cell line, and can inhibit NF-κB activity in TNF-α-activated 293 cells stably transfected with an NF-κB luciferase reporter. The present study was the first to investigate whether ECL inhibits the activation of AKT/NF-κB signaling, induces apoptosis and enhances chemosensitivity to cisplatin in human NSCLC cells. The anticancer activity of ECL was evaluated in two NSCLC cell lines, A549 and Calu-1. ECL decreased the viability and colony formation ability of both cell lines by inducing cell cycle arrest and apoptosis through the activation of pro-apoptotic caspase-3 and poly (ADP-ribose) polymerase, as well as the reduction of anti-apoptotic proteins Bcl-xL and survivin. In addition, ECL treatment suppressed the levels of AKT (phospho Ser473) and NF-κB (phospho Ser536). Notably, ECL significantly enhanced cisplatin sensitivity in both assessed NSCLC cell lines. The combination treatment of cisplatin and ECL promoted cell apoptosis more effectively than cisplatin alone, as revealed by the increased cleaved caspase-3, but decreased Bcl-xL and survivin levels. Exposure to cisplatin alone induced the levels of phosphorylated-AKT and phosphorylated-NF-κB, whereas co-treatment with ECL inhibited the cisplatin-induced phosphorylation of AKT and NF-κB, leading to an increased sensitization effect on cisplatin-induced apoptosis. In conclusion, ECL exhibited an anticancer effect and sensitized NSCLC cells to cisplatin through the inactivation of AKT/NF-κB signaling. This finding provides a rationale for the combined use of chemotherapy drugs with ECL to improve their efficacy in NSCLC treatment.
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Affiliation(s)
- Nahathai Dukaew
- Graduate/PhD Degree Program in Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kongthawat Chairatvit
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand
| | - Pornsiri Pitchakarn
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Arisa Imsumran
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Jirarat Karinchai
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Wirote Tuntiwechapikul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Ariyaphong Wongnoppavich
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
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RIP1 Is a Novel Component of γ-ionizing Radiation-Induced Invasion of Non-Small Cell Lung Cancer Cells. Int J Mol Sci 2020; 21:ijms21134584. [PMID: 32605153 PMCID: PMC7369811 DOI: 10.3390/ijms21134584] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/10/2020] [Accepted: 06/24/2020] [Indexed: 12/25/2022] Open
Abstract
Abstract: Previously, we demonstrated that γ-ionizing radiation (IR) triggers the invasion/migration of A549 cells via activation of an EGFR-p38/ERK-STAT3/CREB-1-EMT pathway. Here, we have demonstrated the involvement of a novel intracellular signaling mechanism in γ-ionizing radiation (IR)-induced migration/invasion. Expression of receptor-interacting protein (RIP) 1 was initially increased upon exposure of A549, a non-small cell lung cancer (NSCLC) cell line, to IR. IR-induced RIP1 is located downstream of EGFR and involved in the expression/activity of matrix metalloproteases (MMP-2 and MMP-9) and vimentin, suggesting a role in epithelial-mesenchymal transition (EMT). Our experiments showed that IR-induced RIP1 sequentially induces Src-STAT3-EMT to promote invasion/migration. Inhibition of RIP1 kinase activity and expression blocked induction of EMT by IR and suppressed the levels and activities of MMP-2, MMP-9 and vimentin. IR-induced RIP1 activation was additionally associated with stimulation of the transcriptional factor NF-κB. Specifically, exposure to IR triggered NF-κB activation and inhibition of NF-κB suppressed IR-induced RIP1 expression, followed by a decrease in invasion/migration as well as EMT. Based on the collective results, we propose that IR concomitantly activates EGFR and NF-κB and subsequently triggers the RIP1-Src/STAT3-EMT pathway, ultimately promoting metastasis.
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Talabnin C, Talabnin K, Wongkham S. Enhancement of piperlongumine chemosensitivity by silencing heme oxygenase-1 expression in cholangiocarcinoma cell lines. Oncol Lett 2020; 20:2483-2492. [PMID: 32782567 DOI: 10.3892/ol.2020.11784] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 06/02/2020] [Indexed: 12/31/2022] Open
Abstract
Piperlongumine (PL) produces reactive oxygen species (ROS) and induces G2/M-phase arrest in cholangiocarcinoma (CCA) cells via the JNK/ERK pathway. A differential response to PL was observed among all CCA cell lines However, the underlying mechanisms have remained to be fully elucidated. The aim of the present study was to investigate the molecular mechanisms of PL-induced heme oxygenase-1 (HO-1) expression in CCA cell lines. The anti-proliferative action of PL in the CCA cell lines KKU-100 and KKU-213A was analyzed using sulforhodamine B assays. Reverse transcription-quantitative PCR and western blot analyses were used to examine mRNA and protein expression. HO-1 inhibition was achieved using the chemical inhibitor zinc protophoryn or specific small interfering RNA to HO-1. Intracellular ROS was detected using a 2,7-dichlorodihydrofluorescein diacetate fluorescence assay. High expression of phase-II detoxification enzymes, including NADPH quinone oxidoreductase-1, heme oxygenase-1, superoxide dismutases and aldo-keto reductase 1 subunits C-1 and 3, were detected in the KKU-100 cell line. Of the CCA cell lines tested, KKU-100 was the least sensitive to PL. Dose-dependent upregulation of HO-1 expression via PI3K/Akt activation was detected in PL-treated CCA cells. Inhibition of HO-1 eliminated the antioxidant defense mechanisms, leading to increased anti-cancer activity of PL in the CCA cell lines via an increase in intracellular ROS levels and apoptotic protein expression. These observations indicated that HO-1 inhibition had a chemosensitizing effect on CCA to PL.
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Affiliation(s)
- Chutima Talabnin
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Krajang Talabnin
- School of Pathology, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Sopit Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
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33
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Fu R, Tong JS. miR-126 reduces trastuzumab resistance by targeting PIK3R2 and regulating AKT/mTOR pathway in breast cancer cells. J Cell Mol Med 2020; 24:7600-7608. [PMID: 32410348 PMCID: PMC7339158 DOI: 10.1111/jcmm.15396] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/18/2020] [Accepted: 04/27/2020] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) have been found to play a key role in drug resistance. In the current study, we aimed to explore the potential role of miR‐126 in trastuzumab resistance in breast cancer cells. We found that the trastuzumab‐resistant cell lines SKBR3/TR and BT474/TR had low expression of miR‐126 and increased ability to migrate and invade. The resistance, invasion and mobilization abilities of the cells resistant to trastuzumab were reduced by ectopic expression of miR‐126 mimics. In comparison, inhibition of miR‐126 in SKBR3 parental cells had the opposite effect of an increased resistance to trastuzumab as well as invasion and migration. It was also found that miR‐126 directly targets PIK3R2 in breast cancer cells. PIK3R2‐knockdown cells showed decreased resistance to trastuzumab, while overexpression of PIK3R2 increased trastuzumab resistance. In addition, our finding showed that overexpression of miR‐126 reduced resistance to trastuzumab in the trastuzumab‐resistant cells and that inhibition of the PIK3R2/PI3K/AKT/mTOR signalling pathway was involved in this effect. SKBR3/TR cells also showed increased sensitivity to trastuzumab mediated by miR‐126 in vivo. In conclusion, the above findings demonstrated that overexpression of miR‐126 or down‐regulation of its target gene may be a potential approach to overcome trastuzumab resistance in breast cancer cells.
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Affiliation(s)
- Rao Fu
- College of Chemical Engineering, Northeast Electric Power University, Jilin city, China
| | - Jing-Shan Tong
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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34
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Iida M, Harari PM, Wheeler DL, Toulany M. Targeting AKT/PKB to improve treatment outcomes for solid tumors. Mutat Res 2020; 819-820:111690. [PMID: 32120136 DOI: 10.1016/j.mrfmmm.2020.111690] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/31/2020] [Accepted: 02/11/2020] [Indexed: 12/16/2022]
Abstract
The serine/threonine kinase AKT, also known as protein kinase B (PKB), is the major substrate to phosphoinositide 3-kinase (PI3K) and consists of three paralogs: AKT1 (PKBα), AKT2 (PKBβ) and AKT3 (PKBγ). The PI3K/AKT pathway is normally activated by binding of ligands to membrane-bound receptor tyrosine kinases (RTKs) as well as downstream to G-protein coupled receptors and integrin-linked kinase. Through multiple downstream substrates, activated AKT controls a wide variety of cellular functions including cell proliferation, survival, metabolism, and angiogenesis in both normal and malignant cells. In human cancers, the PI3K/AKT pathway is most frequently hyperactivated due to mutations and/or overexpression of upstream components. Aberrant expression of RTKs, gain of function mutations in PIK3CA, RAS, PDPK1, and AKT itself, as well as loss of function mutation in AKT phosphatases are genetic lesions that confer hyperactivation of AKT. Activated AKT stimulates DNA repair, e.g. double strand break repair after radiotherapy. Likewise, AKT attenuates chemotherapy-induced apoptosis. These observations suggest that a crucial link exists between AKT and DNA damage. Thus, AKT could be a major predictive marker of conventional cancer therapy, molecularly targeted therapy, and immunotherapy for solid tumors. In this review, we summarize the current understanding by which activated AKT mediates resistance to cancer treatment modalities, i.e. radiotherapy, chemotherapy, and RTK targeted therapy. Next, the effect of AKT on response of tumor cells to RTK targeted strategies will be discussed. Finally, we will provide a brief summary on the clinical trials of AKT inhibitors in combination with radiochemotherapy, RTK targeted therapy, and immunotherapy.
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Affiliation(s)
- M Iida
- Department of Human Oncology, University of Wisconsin in Madison, Madison, WI, USA.
| | - P M Harari
- Department of Human Oncology, University of Wisconsin in Madison, Madison, WI, USA
| | - D L Wheeler
- Department of Human Oncology, University of Wisconsin in Madison, Madison, WI, USA
| | - M Toulany
- Division of Radiobiology and Molecular Environmental Research, Department of Radiation Oncology, University of Tuebingen, Tuebingen, Germany; German Cancer Consortium (DKTK), Partner Site Tuebingen, and German Cancer Research Center (DKFZ), Heidelberg, Germany.
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35
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Mosele F, Stefanovska B, Lusque A, Tran Dien A, Garberis I, Droin N, Le Tourneau C, Sablin MP, Lacroix L, Enrico D, Miran I, Jovelet C, Bièche I, Soria JC, Bertucci F, Bonnefoi H, Campone M, Dalenc F, Bachelot T, Jacquet A, Jimenez M, André F. Outcome and molecular landscape of patients with PIK3CA-mutated metastatic breast cancer. Ann Oncol 2020; 31:377-386. [PMID: 32067679 DOI: 10.1016/j.annonc.2019.11.006] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 10/15/2019] [Accepted: 11/04/2019] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND α-Selective phosphatidylinositol 3-kinase (PI3K) inhibitors improve outcome in patients with PIK3CA-mutated, hormone receptor-positive (HR+)/Her2- metastatic breast cancer (mBC). Nevertheless, it is still unclear how to integrate this new drug family in the treatment landscape. PATIENTS AND METHODS A total of 649 patients with mBC from the SAFIR02 trial (NCT02299999), with available mutational profiles were selected for outcome analysis. PIK3CA mutations were prospectively determined by next-generation sequencing on metastatic samples. The mutational landscape of PIK3CA-mutated mBC was assessed by whole-exome sequencing (n = 617). Finally, the prognostic value of PIK3CA mutations during chemotherapy was assessed in plasma samples (n = 44) by next-generation sequencing and digital PCR. RESULTS Some 28% (104/364) of HR+/Her2- tumors and 10% (27/255) of triple-negative breast cancer (TNBC) presented a PIK3CA mutation (P < 0.001). PIK3CA-mutated HR+/Her2- mBC was less sensitive to chemotherapy [adjusted odds ratio: 0.40; 95% confidence interval (0.22-0.71); P = 0.002], and presented a worse overall survival (OS) compared with PIK3CA wild-type [adjusted hazard ratio: 1.44; 95% confidence interval (1.02-2.03); P = 0.04]. PIK3CA-mutated HR+/Her2- mBC was enriched in MAP3K1 mutations (15% versus 5%, P = 0.0005). In metastatic TNBC (mTNBC), the median OS in patients with PIK3CA mutation was 24 versus 14 months for PIK3CA wild-type (P = 0.03). We further looked at the distribution of PIK3CA mutation in mTNBC according to HR expression on the primary tumor. Some 6% (9/138) of patients without HR expression on the primary and 36% (14/39) of patients with HR+ on the primary presented PIK3CA mutation (P < 0.001). The level of residual PIK3CA mutations in plasma after one to three cycles of chemotherapy was associated with a poor OS [continuous variable, hazard ratio: 1.03, 95% confidence interval (1.01-1.05), P = 0.007]. CONCLUSION PIK3CA-mutated HR+/Her2- mBC patients present a poor outcome and resistance to chemotherapy. Patients with PIK3CA-mutated TNBC present a better OS. This could be explained by an enrichment of PIK3CA mutations in luminal BC which lost HR expression in the metastatic setting. TRIAL REGISTRATION SAFIR02 trial: NCT02299999.
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Affiliation(s)
- F Mosele
- Department of Medical Oncology, Gustave Roussy, Villejuif, France
| | - B Stefanovska
- INSERM, Gustave Roussy Cancer Campus, UMR981, Villejuif, France
| | - A Lusque
- Institut Claudius Regaud, IUCT-O, Toulouse, France
| | - A Tran Dien
- Bioinformatics Platform, Gustave Roussy, Villejuif, France
| | - I Garberis
- INSERM, Gustave Roussy Cancer Campus, UMR981, Villejuif, France; Paris-Saclay University, Paris, France
| | - N Droin
- Genomic Core Facility UMS AMMICA Gustave Roussy, Villejuif, France
| | - C Le Tourneau
- Department of Drug Development and Innovation, Institut Curie, Paris, France; INSERM U900, Saint-Cloud, France; Paris-Saclay University, Paris, France
| | - M-P Sablin
- Department of Medical Oncology, Institut Curie, Paris, France
| | - L Lacroix
- Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France; Genomic Platform and Biobank, CNRS UMS3655-INSERM US23, AMMICA, Gustave Roussy, F-94805, Villejuif, France
| | - D Enrico
- Department of Medical Oncology, Gustave Roussy, Villejuif, France
| | - I Miran
- Genomic Platform and Biobank, CNRS UMS3655-INSERM US23, AMMICA, Gustave Roussy, F-94805, Villejuif, France
| | - C Jovelet
- Genomic Platform and Biobank, CNRS UMS3655-INSERM US23, AMMICA, Gustave Roussy, F-94805, Villejuif, France
| | - I Bièche
- Department of Genetics, Institut Curie, Paris, France; INSERM U1016, Paris Descartes University, Paris, France
| | - J-C Soria
- University of Paris-Sud, Orsay, France
| | - F Bertucci
- CRCM, Predictive Oncology team, Aix-Marseille University, CNRS, INSERM, Institut Paoli-Calmettes, Marseille, France
| | - H Bonnefoi
- Department of Medical Oncology, Institut Bergonie, Bordeaux, France
| | - M Campone
- Department of Medical Oncology, Institut of Cancerology Ouest, Nantes, France
| | - F Dalenc
- Institut Claudius Regaud, IUCT-O, Toulouse, France
| | - T Bachelot
- Department of Medical Oncology, Center Leon Berard, Lyon, France
| | - A Jacquet
- Precision Medicine Group, UNICANCER, Paris, France
| | - M Jimenez
- Precision Medicine Group, UNICANCER, Paris, France
| | - F André
- Department of Medical Oncology, Gustave Roussy, Villejuif, France; INSERM, Gustave Roussy Cancer Campus, UMR981, Villejuif, France; University of Paris-Sud, Orsay, France.
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36
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Differential Kinase Activation in Peripheral Blood Mononuclear Cells from Non-Small-Cell Lung Cancer Patients Treated with Nivolumab. Cancers (Basel) 2019; 11:cancers11060762. [PMID: 31159331 PMCID: PMC6628172 DOI: 10.3390/cancers11060762] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 05/22/2019] [Accepted: 05/25/2019] [Indexed: 12/24/2022] Open
Abstract
In the era of precision medicine, research of biomarkers for identification of responders to nivolumab therapy is a major challenge. Peripheral blood mononuclear cells (PBMC) could be an interesting surrogate tissue for identifying pharmacodynamic biomarkers. The aim of this exploratory study was to investigate the global serine/threonine kinase (STK) activity in PBMC from non-small-cell lung cancer (NSCLC) patients using a high throughput kinomic profiling method. PamChip® microarrays were used to explore the STK kinomic profile in PBMC from 28 NSCLC patients before nivolumab initiation (D0) and on day 14 (D14) of the first administration. Two clusters of patients (A and B) were identified at D0, median overall survival (OS) tended to be longer in cluster A than in B (402 vs. 112.5 days, respectively; p = 0.15). Interestingly, the PD-L1 tumor cell score (p = 0.045), the count of CD8+ cells (p = 0.023) and the total body weight (p = 0.038) were statistically different between the clusters. On D14, clusters C and D were identified. Greater activity of most STK, especially those of the PI3K/Akt signaling pathway, was noticed among cluster C. No significant difference between C and D was observed regarding OS. Considering the small number of patients, results from this preliminary study are not conclusive. However, the 4-fold longer median OS in cluster A paves the way to further investigate, in a larger cohort of NSCLC patients, the benefit of basal STK kinomic profile in PBMC to identify responders to nivolumab therapy.
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37
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Yang L, Ye F, Bao L, Zhou X, Wang Z, Hu P, Ouyang N, Li X, Shi Y, Chen G, Xia P, Chui M, Li W, Jia Y, Liu Y, Liu J, Ye J, Zhang Z, Bu H. Somatic alterations of TP53, ERBB2, PIK3CA and CCND1 are associated with chemosensitivity for breast cancers. Cancer Sci 2019; 110:1389-1400. [PMID: 30776175 PMCID: PMC6447848 DOI: 10.1111/cas.13976] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/24/2019] [Accepted: 02/08/2019] [Indexed: 02/05/2023] Open
Abstract
The correlation of genetic alterations with response to neoadjuvant chemotherapy (NAC) has not been fully revealed. In this study, we enrolled 247 breast cancer patients receiving anthracycline‐taxane‐based NAC treatment. A next generation sequencing (NGS) panel containing 36 hotspot breast cancer‐related genes was used in this study. Two different standards for the extent of pathologic complete response (pCR), ypT0/isypN0 and ypT0/is, were used as indicators for NAC treatment. TP53 mutation (n = 149, 60.3%), PIK3CA mutation (n = 109, 44.1%) and MYC amplification (n = 95, 38.5%) were frequently detected in enrolled cases. TP53 mutation (P = 0.019 for ypT0/isypN0 and P = 0.003 for ypT0/is) and ERBB2 amplification (P < 0.001 for both ypT0/isypN0 and ypT0/is) were related to higher pCR rates. PIK3CA mutation (P = 0.040 for ypT0/isypN0) and CCND2 amplification (P = 0.042 for ypT0/is) showed reduced sensitivity to NAC. Patients with MAPK pathway alteration had low pCR rates (P = 0.043 for ypT0/is). Patients with TP53 mutation (−) PIK3CA mutation (−) ERBB2 amplification (+) CCND1 amplification (−), TP53 mutation (+) PIK3CA mutation (−) ERBB2 amplification (+) CCND1 amplification (−) or TP53 mutation (+) PIK3CA mutation (+) ERBB2 amplification (+) CCND1 amplification (−)had significantly higher pCR rates (P < 0.05 for ypT0/isypN0 and ypT0/is) than wild type genotype tumors. Some cancer genetic alterations as well as pathway alterations were associated with chemosensitivity to NAC treatment. Our study may shed light on the molecular characteristics of breast cancer for prediction of NAC expectations when breast cancer is first diagnosed by biopsy.
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Affiliation(s)
- Libo Yang
- Department of Pathology, West China Hospital of Sichuan University, Chengdu, China.,Laboratory of Pathology, West China Hospital of Sichuan University, Chengdu, China
| | - Feng Ye
- Laboratory of Pathology, West China Hospital of Sichuan University, Chengdu, China
| | - Longlong Bao
- Department of Pathology, Shanghai Cancer Center, Fudan University, Shanghai, China.,Department of Oncology, Shanghai Medical College, Shanghai, China.,Institute of Pathology, Fudan University, Shanghai, China
| | - Xiaoyan Zhou
- Department of Pathology, Shanghai Cancer Center, Fudan University, Shanghai, China.,Department of Oncology, Shanghai Medical College, Shanghai, China.,Institute of Pathology, Fudan University, Shanghai, China
| | - Zhe Wang
- Department of Pathology, Xijing Hospital and School of Basic Medicine, Air Force Medical University, Xi'an, China
| | - Peizhen Hu
- Department of Pathology, Xijing Hospital and School of Basic Medicine, Air Force Medical University, Xi'an, China
| | - Nengtai Ouyang
- Cellular & Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaojuan Li
- Cellular & Molecular Diagnostics Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi Shi
- Department of Molecular Pathology, Fujian Cancer Hospital, Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Gang Chen
- Department of Molecular Pathology, Fujian Cancer Hospital, Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Peiyi Xia
- Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Pathology, School of Basic Medicine, Zhengzhou University, Zhengzhou, China
| | - Meiying Chui
- Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Pathology, School of Basic Medicine, Zhengzhou University, Zhengzhou, China
| | - Wencai Li
- Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Pathology, School of Basic Medicine, Zhengzhou University, Zhengzhou, China
| | - Ying Jia
- Department of Pathology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yueping Liu
- Department of Pathology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | | | - Junyi Ye
- Burning Rock Biotech, Guangzhou, China
| | - Zhe Zhang
- Burning Rock Biotech, Guangzhou, China
| | - Hong Bu
- Department of Pathology, West China Hospital of Sichuan University, Chengdu, China.,Laboratory of Pathology, West China Hospital of Sichuan University, Chengdu, China
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38
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Kaklamani VG, Richardson AL, Arteaga CL. Exploring Biomarkers of Phosphoinositide 3-Kinase Pathway Activation in the Treatment of Hormone Receptor Positive, Human Epidermal Growth Receptor 2 Negative Advanced Breast Cancer. Oncologist 2019; 24:305-312. [PMID: 30651399 PMCID: PMC6519770 DOI: 10.1634/theoncologist.2018-0314] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 09/18/2018] [Indexed: 11/17/2022] Open
Abstract
Resistance to endocrine therapy (ET) is common in patients with hormone receptor positive (HR+) advanced breast cancer (ABC). Consequently, new targeted treatment options are needed in the post-ET setting, with validated biomarkers to inform treatment decisions. Hyperactivation of the phosphoinositide 3-kinase (PI3K) signaling pathway is common in ABC and is implicated in resistance to ET. The most frequent mechanism of PI3K pathway activation is activating mutations or amplification of PIK3CA, which encodes the α-isoform of the catalytic subunit of PI3K. Combining buparlisib, a pan-PI3K-targeted agent, with ET demonstrated modest clinical benefits in patients with aromatase inhibitor-resistant, HR+, human epidermal growth receptor 2 negative (HER2-) ABC in two phase III trials. Importantly, greater efficacy gains were observed in individuals with PIK3CA-mutated disease versus PIK3CA-wild-type tumors. Although the challenging safety profile did not support widespread use of this treatment combination, isoform-selective PI3K inhibitors may improve tolerability. In early clinical trials, promising disease control benefits were demonstrated with the PI3K isoform-selective inhibitors alpelisib and taselisib in patients with PIK3CA-mutated HR+, HER2- ABC. Ongoing biomarker-guided phase II/III studies may provide further opportunities to identify patients most likely to benefit from treatment with PI3K inhibitors and provide insight into optimizing the therapeutic index of PI3K inhibitors. Challenges facing the implementation of routine PIK3CA mutation testing must be addressed promptly so robust and reproducible genotyping can be obtained with liquid and tumor biopsies in a timely and cost-effective manner. IMPLICATIONS FOR PRACTICE: The development of phosphoinositide 3-kinase (PI3K) inhibitors, especially those that selectively target isoforms, may be an effective strategy for overcoming endocrine therapy resistance in hormone receptor positive, human epidermal growth receptor 2 negative advanced breast cancer. Early-phase studies have confirmed that patients with PIK3CA mutations respond best to PI3Kα-isoform inhibition. Ongoing phase III trials will provide further data regarding the efficacy and safety of PI3K inhibitors in patients with different biomarker profiles.
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Affiliation(s)
| | | | - Carlos L Arteaga
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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39
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Luo Y, Feng Y, Song L, He GQ, Li S, Bai SS, Huang YJ, Li SY, Almutairi MM, Shi HL, Wang Q, Hong M. A network pharmacology-based study on the anti-hepatoma effect of Radix Salviae Miltiorrhizae. Chin Med 2019; 14:27. [PMID: 31406500 PMCID: PMC6685170 DOI: 10.1186/s13020-019-0249-6] [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: 05/02/2019] [Accepted: 07/26/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Radix Salviae Miltiorrhizae (RSM), a well-known traditional Chinese medicine, has been shown to inhibit tumorigenesis in various human cancers. However, the anticancer effects of RSM on human hepatocellular carcinoma (HCC) and the underlying mechanisms of action remain to be fully elucidated. METHODS In this study, we aimed to elucidate the underlying molecular mechanisms of RSM in the treatment of HCC using a network pharmacology approach. In vivo and in vitro experiments were also performed to validate the therapeutic effects of RSM on HCC. RESULTS In total, 62 active compounds from RSM and 72 HCC-related targets were identified through network pharmacological analysis. RSM was found to play a critical role in HCC via multiple targets and pathways, especially the EGFR and PI3K/AKT signaling pathways. In addition, RSM was found to suppress HCC cell proliferation, and impair cancer cell migration and invasion in vitro. Flow cytometry analysis revealed that RSM induced cell cycle G2/M arrest and apoptosis, and western blot analysis showed that RSM up-regulated the expression of BAX and down-regulated the expression of Bcl-2 in MHCC97-H and HepG2 cells. Furthermore, RSM administration down-regulated the expression of EGFR, PI3K, and p-AKT proteins, whereas the total AKT level was not altered. Finally, the results of our in vivo experiments confirmed the therapeutic effects of RSM on HCC in nude mice. CONCLUSIONS We provide an integrative network pharmacology approach, in combination with in vitro and in vivo experiments, to illustrate the underlying therapeutic mechanisms of RSM action on HCC.
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Affiliation(s)
- Yi Luo
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Yu Feng
- grid.413385.8Department of Traumatology, General Hospital of Ningxia Medical University, Yinchuan, 750004 China
- 0000000121742757grid.194645.bDepartment of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Lei Song
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Gan-Qing He
- grid.412534.5Department of Gastroenterology, Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 501260 China
| | - Sha Li
- 0000000121742757grid.194645.bSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Sha-Sha Bai
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Yu-Jie Huang
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Si-Ying Li
- 0000 0001 2106 0692grid.266515.3Department of Pharmacology & Toxicology, University of Kansas, Lawrence, KS USA
| | - Mohammed M. Almutairi
- 0000 0001 2106 0692grid.266515.3Department of Pharmacology & Toxicology, University of Kansas, Lawrence, KS USA
| | - Hong-Lian Shi
- 0000 0001 2106 0692grid.266515.3Department of Pharmacology & Toxicology, University of Kansas, Lawrence, KS USA
| | - Qi Wang
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
| | - Ming Hong
- 0000 0000 8848 7685grid.411866.cInstitute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, 510405 China
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Bashash D, Delshad M, Riyahi N, Safaroghli-Azar A, Pourbagheri-Sigaroodi A, Momeny M. Inhibition of PI3K signaling pathway enhances the chemosensitivity of APL cells to ATO: Proposing novel therapeutic potential for BKM120. Eur J Pharmacol 2018; 841:10-18. [DOI: 10.1016/j.ejphar.2018.10.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 10/01/2018] [Accepted: 10/10/2018] [Indexed: 01/25/2023]
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Phase 1/1b dose escalation and expansion study of BEZ235, a dual PI3K/mTOR inhibitor, in patients with advanced solid tumors including patients with advanced breast cancer. Cancer Chemother Pharmacol 2018; 82:285-298. [PMID: 29882016 DOI: 10.1007/s00280-018-3610-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 05/25/2018] [Indexed: 01/15/2023]
Abstract
PURPOSE To determine the maximum tolerated dose (MTD) of BEZ235, an oral inhibitor of class I PI3K and mTOR complexes 1 and 2. METHODS We performed a phase I/Ib, multicenter, open-label study of oral BEZ235 administered in a continuous daily schedule. The study consisted of two parts: dose-escalation part and safety-expansion part. BEZ235 was administered as a single agent to patients with solid tumors or in combination with trastuzumab for HER2+ advanced breast cancer (aBC). Primary end points were MTD, safety, and tolerability. The secondary end point was pharmacokinetics. Other formulations of BEZ235, solid dispersion system (SDS) sachet, and SDS capsules were also assessed. RESULTS One hundred and eighty-three patients were enrolled; single-agent BEZ235 was administered as hard gelatin capsule (n = 59), SDS capsules A and B (n = 33), and SDS sachet (n = 61), amongst which SDS sachet was chosen as the preferred formulation. The monotherapy MTD for capsule A and SDS sachet was determined to be 1000 and 1200 mg/day, respectively. Thirty patients with HER2+ aBC received BEZ235 in combination with trastuzumab. The MTD of BEZ235 in combination with trastuzumab was 600 mg/day. A total of four patients (13.3%) achieved partial response across the different groups. Most frequent AEs in single agent and combination cohorts included nausea (80.3 and 93.3%), diarrhea (75.4 and 80.0%), and vomiting (63.9 and 63.3%). CONCLUSIONS The MTD of BEZ235 as single agent was 1200 and 600 mg/day with trastuzumab. Pharmacokinetic profiles showed low-to-moderate variability at low dose (10 mg) and high variability at high doses (100 mg and above). Gastrointestinal AEs were frequent at high doses.
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Duan F, Wu H, Jia D, Wu W, Ren S, Wang L, Song S, Guo X, Liu F, Ruan Y, Gu J. O-GlcNAcylation of RACK1 promotes hepatocellular carcinogenesis. J Hepatol 2018; 68:1191-1202. [PMID: 29454068 DOI: 10.1016/j.jhep.2018.02.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 01/30/2018] [Accepted: 02/03/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND & AIMS Aberrant oncogenic mRNA translation and protein O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) are general features during tumorigenesis. Nevertheless, whether and how these two pathways are interlinked remain unknown. Our previous study indicated that ribosomal receptor for activated C-kinase 1 (RACK1) promoted chemoresistance and growth in hepatocellular carcinoma (HCC). The aim of this study is to examine the role of RACK1 O-GlcNAcylation in oncogene translation and HCC carcinogenesis. METHODS The site(s) of RACK1 for O-GlcNAcylation was mapped by mass spectrometry analysis. HCC cell lines were employed to examine the effects of RACK1 O-GlcNAcylation on the translation of oncogenic factors and behaviors of tumor cells in vitro. Transgenic knock-in mice were used to detect the role of RACK1 O-GlcNAcylation in modulating HCC tumorigenesis in vivo. The correlation of RACK1 O-GlcNAcylation with tumor progression and relapse were analyzed in clinical HCC samples. RESULTS We found that ribosomal RACK1 was highly modified by O-GlcNAc at Ser122. O-GlcNAcylation of RACK1 enhanced its protein stability, ribosome binding and interaction with PKCβII (PRKCB), leading to increased eukaryotic translation initiation factor 4E phosphorylation and translation of potent oncogenes in HCC cells. Genetic ablation of RACK1 O-GlcNAcylation at Ser122 dramatically suppressed tumorigenesis, angiogenesis, and metastasis in vitro and in diethylnitrosamine (DEN)-induced HCC mouse model. Increased RACK1 O-GlcNAcylation was also observed in HCC patient samples and correlated with tumor development and recurrence after chemotherapy. CONCLUSIONS These findings demonstrate that RACK1 acts as key mediator linking O-GlcNAc metabolism to cap-dependent translation during HCC tumorigenesis. Targeting RACK1 O-GlcNAcylation provides promising options for HCC treatment. LAY SUMMARY O-GlcNAcylation of ribosomal receptor for activated C-kinase 1 at the amino acid serine122 promotes its stability, ribosome localization and interaction with the protein kinase, PKCβII, thus driving the translation of oncogenes and tumorigenesis of hepatocellular carcinoma. Increased O-GlcNAcylation of ribosomal receptor for activated C-kinase 1 is positively correlated with tumor growth, metastasis and recurrence in patients with hepatocellular carcinoma.
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Affiliation(s)
- Fangfang Duan
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Hao Wu
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Dongwei Jia
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Weicheng Wu
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Shifang Ren
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Lan Wang
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Shushu Song
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Xinying Guo
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Fenglin Liu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| | - Yuanyuan Ruan
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.
| | - Jianxin Gu
- Key Laboratory of Glycoconjugate Research Ministry of Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
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Xu DQ, Toyoda H, Qi L, Morimoto M, Hanaki R, Iwamoto S, Komada Y, Hirayama M. Induction of MEK/ERK activity by AZD8055 confers acquired resistance in neuroblastoma. Biochem Biophys Res Commun 2018; 499:425-432. [PMID: 29571732 DOI: 10.1016/j.bbrc.2018.03.143] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 03/19/2018] [Indexed: 12/18/2022]
Abstract
Mammalian target of rapamycin (mTOR) complex (mTORC) is frequently activated in diverse cancers. Although dual mTORC1/2 inhibitors are currently under development to treat various malignancies, the emergence of drug resistance has proven to be a major complication. AZD8055 is a novel, potent ATP-competitive and specific inhibitor of mTOR kinase activity, which blocks both mTORC1 and mTORC2 activation. In this study, we acquired AZD8055-resistant neuroblastoma (NB) cell sublines by using prolonged stepwise escalation of AZD8055 exposure (4-12 weeks). Here we demonstrate that the AZD8055-resistant sublines (TGW-R and SMS-KAN-R) exhibited marked resistance to AZD8055 compared to the parent cells (TGW and SMS-KAN). The cell cycle G1/S transition was advanced in resistant cells. In addition, the resistance against AZD8055 correlated with over-activation of MEK/ERK signaling pathway. Furthermore, combination of AZD8055 and MEK inhibitor U0126 enhanced the growth inhibition of resistant cells significantly in vitro and in vivo. In conclusion, these data show that targeting mTOR kinase and MEK/ERK signaling simultaneously might help to overcome AZD8055 resistance in NB.
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Affiliation(s)
- Dong-Qing Xu
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Hidemi Toyoda
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Lei Qi
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Mari Morimoto
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Ryo Hanaki
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Shotaro Iwamoto
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Yoshihiro Komada
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan
| | - Masahiro Hirayama
- Department of Pediatrics, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie, Japan.
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Martín M, Chan A, Dirix L, O'Shaughnessy J, Hegg R, Manikhas A, Shtivelband M, Krivorotko P, Batista López N, Campone M, Ruiz Borrego M, Khan QJ, Beck JT, Ramos Vázquez M, Urban P, Goteti S, Di Tomaso E, Massacesi C, Delaloge S. A randomized adaptive phase II/III study of buparlisib, a pan-class I PI3K inhibitor, combined with paclitaxel for the treatment of HER2- advanced breast cancer (BELLE-4). Ann Oncol 2017; 28:313-320. [PMID: 27803006 DOI: 10.1093/annonc/mdw562] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Background Phosphatidylinositol 3-kinase (PI3K) pathway activation in preclinical models of breast cancer is associated with tumor growth and resistance to anticancer therapies, including paclitaxel. Effects of the pan-Class I PI3K inhibitor buparlisib (BKM120) appear synergistic with paclitaxel in preclinical and clinical models. Patients and methods BELLE-4 was a 1:1 randomized, double-blind, placebo-controlled, adaptive phase II/III study investigating the combination of buparlisib or placebo with paclitaxel in women with human epidermal growth factor receptor 2-negative locally advanced or metastatic breast cancer with no prior chemotherapy for advanced disease. Patients were stratified by PI3K pathway activation and hormone receptor status. The primary endpoint was progression-free survival (PFS) in the full and PI3K pathway-activated populations. An adaptive interim analysis was planned following the phase II part of the study, after ≥125 PFS events had occurred in the full population, to decide whether the study would enter phase III (in the full or PI3K pathway-activated population) or be stopped for futility. Results As of August 2014, 416 patients were randomized to receive buparlisib (207) or placebo (209) with paclitaxel. At adaptive interim analysis, there was no improvement in PFS with buparlisib versus placebo in the full (median PFS 8.0 versus 9.2 months, hazard ratio [HR] 1.18), or PI3K pathway-activated population (median PFS 9.1 versus 9.2 months, HR 1.17). The study met protocol-specified criteria for futility in both populations, and phase III was not initiated. Median duration of study treatment exposure was 3.5 months in the buparlisib arm versus 4.6 months in the placebo arm. The most frequent adverse events with buparlisib plus paclitaxel (≥40% of patients) were diarrhea, alopecia, rash, nausea, and hyperglycemia. Conclusions Addition of buparlisib to paclitaxel did not improve PFS in the full or PI3K pathway-activated study population. Consequently, the trial was stopped for futility at the end of phase II.
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Affiliation(s)
- M Martín
- Medical Oncology Service, Instituto de Investigación Sanitaria Gregorio Marañón, Universidad Complutense, Madrid, Spain
| | - A Chan
- Curtin University and Breast Cancer Research Centre, Perth, Australia
| | - L Dirix
- Department of Oncological Research, Sint-Augustinus Hospital, Antwerp, Belgium
| | - J O'Shaughnessy
- Baylor-Charles A. Sammons Cancer Center, Dallas, USA Texas Oncology, US Oncology, Dallas, USA
| | - R Hegg
- Centro de Oncologia Clínica, Hospital Pérola Byington and FMUSP, Paulo São, Brazil
| | - A Manikhas
- City Clinical Oncological Dispensary, Saint Petersburg, Russian Federation
| | - M Shtivelband
- Hematology and Medical Oncology, Ironwood Cancer and Research Centers, Chandler, USA
| | - P Krivorotko
- Department of Breast Tumors, Petrov Research Institute of Oncology, Saint Petersburg, Russian Federation
| | - N Batista López
- Medical Oncology Service, Hospital Universitario de Canarias, Tenerife, Spain
| | - M Campone
- Institut de Cancérologie de l'Ouest, Nantes René Gauducheau Centrede Recherche en Cancérologie, France
| | - M Ruiz Borrego
- Department of Medical Oncology, Hospital Universitario Virgen del Rocío, Seville, Spain
| | - Q J Khan
- University of Kansas Medical Center, University of Kansas, Kansas City
| | - J T Beck
- Highlands Oncology Group, Fayetteville, USA
| | | | - P Urban
- Novartis Pharma AG, Basel, Switzerland
| | - S Goteti
- Novartis Pharmaceuticals Corporation, East Hanover
| | - E Di Tomaso
- Novartis Institutes for BioMedical Research, Cambridge, USA
| | | | - S Delaloge
- Breast Cancer Group, Gustave Roussy Cancer Campus, Villejuif, France
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Brain- and brain tumor-penetrating disulfiram nanoparticles: Sequence of cytotoxic events and efficacy in human glioma cell lines and intracranial xenografts. Oncotarget 2017; 9:3459-3482. [PMID: 29423059 PMCID: PMC5790476 DOI: 10.18632/oncotarget.23320] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 11/26/2017] [Indexed: 12/24/2022] Open
Abstract
There is great interest in repurposing disulfiram (DSF), a rapidly metabolizing nontoxic drug, for brain cancers and other cancers. To overcome the instability and low therapeutic efficacy, we engineered passively-targeted DSF-nanoparticles (DSFNPs) using biodegradable monomethoxy (polyethylene glycol) d,l-lactic-co-glycolic acid (mPEG-PLGA) matrix. The physicochemical properties, cellular uptake and the blood brain-barrier permeability of DSFNPs were investigated. The DSFNPs were highly stable with a size of ∼70 nm with a >90% entrapment. Injection of the nanoparticles labeled with HITC, a near-infrared dye into normal mice and tumor-bearing nude mice followed by in vivo imaging showed a selective accumulation of the formulation within the brain and subcutaneous tumors for >24 h, indicating an increased plasma half-life and entry of DSF into desired sites. The DSFNPs induced a potent and preferential killing of many brain tumor cell lines in cytotoxicity assays. Confocal microscopy showed a quick internalization of the nanoparticles in tumor cells followed by initial accumulation in lysosomes and subsequently in mitochondria. DSFNPs induced high levels of ROS and led to a marked loss of mitochondrial membrane potential. Activation of the MAP-kinase pathway leading to a nuclear translocation of apoptosis-inducing factor and altered expression of apoptotic and anti-apoptotic proteins were also observed. DSFNPs induced a powerful and significant regression of intracranial medulloblastoma xenografts compared to the marginal efficacy of unencapsulated DSF. Together, we show that passively targeted DSFNPs can affect multiple targets, trigger potent anticancer effects, and can offer a sustained drug supply for brain cancer treatment through an enhanced permeability retention (EPR).
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Resensitization of Akt Induced Docetaxel Resistance in Breast Cancer by 'Iturin A' a Lipopeptide Molecule from Marine Bacteria Bacillus megaterium. Sci Rep 2017; 7:17324. [PMID: 29229973 PMCID: PMC5725499 DOI: 10.1038/s41598-017-17652-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 11/10/2017] [Indexed: 01/08/2023] Open
Abstract
Development of the resistance is the major problem in cancer therapy. Docetaxel is a taxol alkaloid that is frequently used in metastatic breast cancer. However, resistance often limits the usefulness of this drug in many breast cancer patients. Manipulation of resistant cells to re-sensitize to the therapeutic effect of docetaxel is current strategy to overcome this problem. Here, we have introduced ‘Iturin A’ as a potent chemosensitizer in docetaxel resistant breast cancer cells. Combination of Iturin A and docetaxel treatment significantly hampered the proliferation of docetaxel resistant MDA-MB-231 and MDA-MB-468 breast cancer cells. Cell cycle analysis also showed massive amount of apoptotic population (Sub G0/G1) in combination therapy. A number of apoptotic and anti-apoptotic proteins were significantly altered in dual drug treated groups. Caspase 3 dependent cell death was observed in dual treatment. Molecular mechanism study showed that over-expression of Akt and its downstream signaling pathway was associated with docetaxel resistance. Iturin A significantly reduced Akt signaling pathway in resistant cells. This mechanistic action might be the reason behind the chemo-sensitization effect of Iturin A in docetaxel resistant breast cancer cells. In conclusion, Iturin A resensitized the resistant breast cancer cells to docetaxel therapy by inhibiting Akt activity.
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Xu K, Chen G, Qiu Y, Yuan Z, Li H, Yuan X, Sun J, Xu J, Liang X, Yin P. miR-503-5p confers drug resistance by targeting PUMA in colorectal carcinoma. Oncotarget 2017; 8:21719-21732. [PMID: 28423513 PMCID: PMC5400618 DOI: 10.18632/oncotarget.15559] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 01/22/2017] [Indexed: 01/04/2023] Open
Abstract
The development of multidrug-resistance (MDR) is a major contributor to death in colorectal carcinoma (CRC). Here, we investigated the possible role of microRNA (miR)-503-5p in drug resistant CRC cells. Unbiased microRNA array screening revealed that miR-503-5p is up-regulated in two oxaliplatin (OXA)-resistant CRC cell lines. Overexpression of miR-503-5p conferred resistance to OXA-induced apoptosis and inhibition of tumor growth in vitro and in vivo through down-regulation of PUMA expression. miR-503-5p knockdown sensitized chemoresistant CRC cells to OXA. Our studies indicated that p53 suppresses miR-503-5p expression and that deletion of p53 upregulates miR-503-5p expression. Inhibition of miR-503-5p in p53 null cells increased their sensitivity to OXA treatment. Importantly, analysis of patient samples showed that expression of miR-503-5p negatively correlates with PUMA in CRC. These results indicate that a p53/miR-503-5p/PUMA signaling axis regulates the CRC response to chemotherapy, and suggest that miR-503-5p plays an important role in the development of MDR in CRC by modulating PUMA expression.
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Affiliation(s)
- Ke Xu
- Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China.,Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Medicine, Shanghai 200062, PR China
| | - Guo Chen
- Department of Radiation Oncology, School of Medicine and Winship Cancer Institute of Emory University, Atlanta, Georgia 30322, USA
| | - Yanyan Qiu
- Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China.,Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Medicine, Shanghai 200062, PR China.,Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China State
| | - Zeting Yuan
- Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China
| | - Hongchang Li
- Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China State
| | - Xia Yuan
- Department of Pharmacy, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China
| | - Jian Sun
- Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China.,Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Medicine, Shanghai 200062, PR China
| | - Jianhua Xu
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Medicine, Shanghai 200062, PR China
| | - Xin Liang
- State Key Laboratory of Bioreactor Engineering & Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
| | - Peihao Yin
- Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Medicine, Shanghai 200062, PR China.,Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, PR China State
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An X, Sarmiento C, Tan T, Zhu H. Regulation of multidrug resistance by microRNAs in anti-cancer therapy. Acta Pharm Sin B 2017; 7:38-51. [PMID: 28119807 PMCID: PMC5237711 DOI: 10.1016/j.apsb.2016.09.002] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 05/30/2016] [Accepted: 07/06/2016] [Indexed: 12/31/2022] Open
Abstract
Multidrug resistance (MDR) remains a major clinical obstacle to successful cancer treatment. Although diverse mechanisms of MDR have been well elucidated, such as dysregulation of drugs transporters, defects of apoptosis and autophagy machinery, alterations of drug metabolism and drug targets, disrupti on of redox homeostasis, the exact mechanisms of MDR in a specific cancer patient and the cross-talk among these different mechanisms and how they are regulated are poorly understood. MicroRNAs (miRNAs) are a new class of small noncoding RNAs that could control the global activity of the cell by post-transcriptionally regulating a large variety of target genes and proteins expression. Accumulating evidence shows that miRNAs play a key regulatory role in MDR through modulating various drug resistant mechanisms mentioned above, thereby holding much promise for developing novel and more effective individualized therapies for cancer treatment. This review summarizes the various MDR mechanisms and mainly focuses on the role of miRNAs in regulating MDR in cancer treatment.
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Affiliation(s)
- Xin An
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Cesar Sarmiento
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Tao Tan
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Corresponding authors..
| | - Hua Zhu
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Corresponding authors..
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Lonetti A, Cappellini A, Bertaina A, Locatelli F, Pession A, Buontempo F, Evangelisti C, Evangelisti C, Orsini E, Zambonin L, Neri LM, Martelli AM, Chiarini F. Improving nelarabine efficacy in T cell acute lymphoblastic leukemia by targeting aberrant PI3K/AKT/mTOR signaling pathway. J Hematol Oncol 2016; 9:114. [PMID: 27776559 PMCID: PMC5075755 DOI: 10.1186/s13045-016-0344-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 10/14/2016] [Indexed: 11/21/2022] Open
Abstract
Background Although in recent years, the introduction of novel chemotherapy protocols has improved the outcome of T cell acute lymphoblastic leukemia (T-ALL) patients, refractory and/or relapsing disease remains a foremost concern. In this context, a major contribution was provided by the introduction of the nucleoside analog nelarabine, approved for salvage treatment of T-ALL patients with refractory/relapsed disease. However, nelarabine could induce a life-threatening, dose-dependent neurotoxicity. To improve nelarabine efficacy, we have analyzed its molecular targets, testing selective inhibitors of such targets in combination with nelarabine. Methods The effectiveness of nelarabine as single agent or in combination with PI3K, Bcl2, and MEK inhibitors was evaluated on human T-ALL cell lines and primary T-ALL refractory/relapsed lymphoblasts. The efficacy of signal modulators in terms of cytotoxicity, induction of apoptosis, and changes in gene and protein expression was assessed by flow cytometry, western blotting, and quantitative real-time PCR in T-ALL settings. Results Treatment with nelarabine as a single agent identified two groups of T-ALL cell lines, one sensitive and one resistant to the drug. Whereas sensitive T-ALL cells showed a significant increase of apoptosis and a strong down-modulation of PI3K signaling, resistant T-ALL cells showed a hyperactivation of AKT and MEK/ERK1/2 signaling pathways, not caused by differences in the expression of nelarabine transporters or metabolic activators. We then studied the combination of nelarabine with the PI3K inhibitors (both pan and dual γ/δ inhibitors), with the Bcl2 specific inhibitor ABT199, and with the MEK inhibitor trametinib on both T-ALL cell lines and patient samples at relapse, which displayed constitutive activation of PI3K signaling and resistance to nelarabine alone. The combination with the pan PI3K inhibitor ZSTK-474 was the most effective in inhibiting the growth of T-ALL cells and was synergistic in decreasing cell survival and inducing apoptosis in nelarabine-resistant T-ALL cells. The drug combination caused AKT dephosphorylation and a downregulation of Bcl2, while nelarabine alone induced an increase in p-AKT and Bcl2 signaling in the resistant T-ALL cells and relapsed patient samples. Conclusions These findings indicate that nelarabine in combination with PI3K inhibitors may be a promising therapeutic strategy for the treatment of T-ALL relapsed patients. Electronic supplementary material The online version of this article (doi:10.1186/s13045-016-0344-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Annalisa Lonetti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Alessandra Cappellini
- Department of Human Social and Health Sciences, University of Cassino, Cassino, Italy
| | - Alice Bertaina
- Department of Pediatric Hematology-Oncology, IRCCS, Bambino Gesù Children's Hospital, Rome, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology-Oncology, IRCCS, Bambino Gesù Children's Hospital, Rome, Italy
| | - Andrea Pession
- Department of Pediatrics, "Lalla Seràgnoli" Hematology-Oncology Unit, University of Bologna, Bologna, Italy
| | - Francesca Buontempo
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Camilla Evangelisti
- Institute of Molecular Genetics, Rizzoli Orthopedic Institute, National Research Council, Bologna, Italy
| | - Cecilia Evangelisti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Ester Orsini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Laura Zambonin
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Luca Maria Neri
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Alberto Maria Martelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.
| | - Francesca Chiarini
- Institute of Molecular Genetics, Rizzoli Orthopedic Institute, National Research Council, Bologna, Italy.
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Xie CQ, Zhou P, Zuo J, Li X, Chen Y, Chen JW. Triptolide exerts pro-apoptotic and cell cycle arrest activity on drug-resistant human lung cancer A549/Taxol cells via modulation of MAPK and PI3K/Akt signaling pathways. Oncol Lett 2016; 12:3586-3590. [PMID: 27900040 DOI: 10.3892/ol.2016.5099] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/09/2016] [Indexed: 01/06/2023] Open
Abstract
Multidrug resistance (MDR) is a major obstacle in the effective chemotherapeutic treatment of cancers. Triptolide (TPL) is a diterpenoid isolated from Tripterygium wilfordii Hook. f., a traditional Chinese medicine. It was demonstrated in our previous study that TPL exerts anti-MDR cancers on various MDR cell lines (including A549/Taxol, MCF-7/ADR and Bel7402/5-Fu). The present study was designed to investigate its anti-proliferative activity on A549/Taxol cells, and explore the underlying mechanism of action. The anti-proliferative activity of TPL on A549/Taxol cells was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Its pro-apoptosis and cell cycle arrest activities were analyzed by flow cytometry. Western blot assay was employed to investigate the levels of mitogen-activated protein kinases (MAPKs) and apoptosis-related proteins in cells. TPL efficiently suppressed the proliferation of A549/Taxol cells. Co-treatment with MAPK inhibitors in the MTT assay indicated that the extracellular signal-regulated kinase (ERK) and c-Jun N-terminal kinase (JNK) pathways were involved in the process. Upregulation of p-p38, p-ERK, p-GSK-3β, Bax and cleaved caspases-3 and -9, and downregulation of p-JNK, p-Akt and Bcl-2 were observed upon treatment with TPL in the A549/Taxol cells. The results from flow cytometry assay revealed that TPL induced apoptosis and S-phase arrest in A549/Taxol cells. This occurred as a result of the upregulation of p-ERK and p-GSK-3β, and the downregulation of p-JNK and p-Akt, and was responsible for the subsequent anti-proliferative activity.
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Affiliation(s)
- Chen Qiong Xie
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
| | - Ping Zhou
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
| | - Jian Zuo
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
| | - Xiang Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China; Jiangsu Key Laboratory for Chinese Material Medical Processing, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
| | - Yong Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
| | - Jian Wei Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China; Jiangsu Key Laboratory for TCM Formulae Research, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210046, P.R. China
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