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Eichhorn JS, Petrik J. Thetumor microenvironment'sinpancreatic cancer:Effects onimmunotherapy successandnovel strategiestoovercomethehostile environment. Pathol Res Pract 2024; 259:155370. [PMID: 38815507 DOI: 10.1016/j.prp.2024.155370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 05/26/2024] [Indexed: 06/01/2024]
Abstract
Cancer is a significant global health issue that poses a considerable burden on both patients and healthcare systems. Many different types of cancers exist that often require unique treatment approaches and therapies. A hallmark of tumor progression is the creation of an immunosuppressive environment, which poses complex challenges for current treatments. Amongst the most explored characteristics is a hypoxic environment, high interstitial pressure, and immunosuppressive cells and cytokines. Traditional cancer treatments involve radiotherapy, chemotherapy, and surgical procedures. The advent of immunotherapies was regarded as a promising approach with hopes of greatly increasing patients' survival and outcome. Although some success is seen with various immunotherapies, the vast majority of monotherapies are unsuccessful. This review examines how various aspects of the tumor microenvironment (TME) present challenges that impede the success of immunotherapies. Subsequently, we review strategies to manipulate the TME to facilitate the success of immunotherapies.
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Affiliation(s)
- Jan Sören Eichhorn
- Department of Biomedical Sciences, University of Guelph, Guelph, ON, N1G 2W1 Canada
| | - Jim Petrik
- Department of Biomedical Sciences, University of Guelph, Guelph, ON, N1G 2W1 Canada.
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2
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Garcia MR, Andrade PB, Lefranc F, Gomes NGM. Marine-Derived Leads as Anticancer Candidates by Disrupting Hypoxic Signaling through Hypoxia-Inducible Factors Inhibition. Mar Drugs 2024; 22:143. [PMID: 38667760 PMCID: PMC11051506 DOI: 10.3390/md22040143] [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: 03/06/2024] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
The inadequate vascularization seen in fast-growing solid tumors gives rise to hypoxic areas, fostering specific changes in gene expression that bolster tumor cell survival and metastasis, ultimately leading to unfavorable clinical prognoses across different cancer types. Hypoxia-inducible factors (HIF-1 and HIF-2) emerge as druggable pivotal players orchestrating tumor metastasis and angiogenesis, thus positioning them as prime targets for cancer treatment. A range of HIF inhibitors, notably natural compounds originating from marine organisms, exhibit encouraging anticancer properties, underscoring their significance as promising therapeutic options. Bioprospection of the marine environment is now a well-settled approach to the discovery and development of anticancer agents that might have their medicinal chemistry developed into clinical candidates. However, despite the massive increase in the number of marine natural products classified as 'anticancer leads,' most of which correspond to general cytotoxic agents, and only a few have been characterized regarding their molecular targets and mechanisms of action. The current review presents a critical analysis of inhibitors of HIF-1 and HIF-2 and hypoxia-selective compounds that have been sourced from marine organisms and that might act as new chemotherapeutic candidates or serve as templates for the development of structurally similar derivatives with improved anticancer efficacy.
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Affiliation(s)
- Maria Rita Garcia
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
- 1H-TOXRUN-Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
- UCIBIO/REQUIMTE, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Paula B. Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
| | - Florence Lefranc
- Department of Neurosurgery, Hôpital Universitaire de Bruxelles (H.U.B), CUB Hôpital Erasme, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium;
| | - Nelson G. M. Gomes
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
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3
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Zhang Z, Peng Y, Peng X, Xiao D, Shi Y, Tao Y. Effects of radiation therapy on tumor microenvironment: an updated review. Chin Med J (Engl) 2023; 136:2802-2811. [PMID: 37442768 PMCID: PMC10686612 DOI: 10.1097/cm9.0000000000002535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Indexed: 07/15/2023] Open
Abstract
ABSTRACT Cancer is a major threat to human health and causes death worldwide. Research on the role of radiotherapy (RT) in the treatment of cancer is progressing; however, RT not only causes fatal DNA damage to tumor cells, but also affects the interactions between tumor cells and different components of the tumor microenvironment (TME), including immune cells, fibroblasts, macrophages, extracellular matrix, and some soluble products. Some cancer cells can survive radiation and have shown strong resistance to radiation through interaction with the TME. Currently, the complex relationships between the tumor cells and cellular components that play major roles in various TMEs are poorly understood. This review explores the relationship between RT and cell-cell communication in the TME from the perspective of immunity and hypoxia and aims to identify new RT biomarkers and treatment methods in lung cancer to improve the current status of unstable RT effect and provide a theoretical basis for further lung cancer RT sensitization research in the future.
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Affiliation(s)
- Zewen Zhang
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Yuanhao Peng
- Department of Pathology, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
| | - Xin Peng
- Department of Pathology, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
| | - Desheng Xiao
- Department of Pathology, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
| | - Ying Shi
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Yongguang Tao
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
- Department of Pathology, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, School of Basic Medicine, Central South University, Changsha, Hunan 410078, China
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China
- Department of Thoracic Surgery, Hunan Key Laboratory of Early Diagnosis and Precision Therapy in Lung Cancer, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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4
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Tan J, Sun X, Zhao H, Guan H, Gao S, Zhou P. Double-strand DNA break repair: molecular mechanisms and therapeutic targets. MedComm (Beijing) 2023; 4:e388. [PMID: 37808268 PMCID: PMC10556206 DOI: 10.1002/mco2.388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 08/29/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023] Open
Abstract
Double-strand break (DSB), a significant DNA damage brought on by ionizing radiation, acts as an initiating signal in tumor radiotherapy, causing cancer cells death. The two primary pathways for DNA DSB repair in mammalian cells are nonhomologous end joining (NHEJ) and homologous recombination (HR), which cooperate and compete with one another to achieve effective repair. The DSB repair mechanism depends on numerous regulatory variables. DSB recognition and the recruitment of DNA repair components, for instance, depend on the MRE11-RAD50-NBS1 (MRN) complex and the Ku70/80 heterodimer/DNA-PKcs (DNA-PK) complex, whose control is crucial in determining the DSB repair pathway choice and efficiency of HR and NHEJ. In-depth elucidation on the DSB repair pathway's molecular mechanisms has greatly facilitated for creation of repair proteins or pathways-specific inhibitors to advance precise cancer therapy and boost the effectiveness of cancer radiotherapy. The architectures, roles, molecular processes, and inhibitors of significant target proteins in the DSB repair pathways are reviewed in this article. The strategy and application in cancer therapy are also discussed based on the advancement of inhibitors targeted DSB damage response and repair proteins.
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Affiliation(s)
- Jinpeng Tan
- Hengyang Medical CollegeUniversity of South ChinaHengyangHunan ProvinceChina
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Xingyao Sun
- Hengyang Medical CollegeUniversity of South ChinaHengyangHunan ProvinceChina
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Hongling Zhao
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Hua Guan
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Shanshan Gao
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Ping‐Kun Zhou
- Hengyang Medical CollegeUniversity of South ChinaHengyangHunan ProvinceChina
- Department of Radiation BiologyBeijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
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5
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Feng X, Zhao L, Chen Y, Wang Z, Lu H, Wang C. Optimal type and dose of hypoxic training for improving maximal aerobic capacity in athletes: a systematic review and Bayesian model-based network meta-analysis. Front Physiol 2023; 14:1223037. [PMID: 37745240 PMCID: PMC10513096 DOI: 10.3389/fphys.2023.1223037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/17/2023] [Indexed: 09/26/2023] Open
Abstract
Objective: This study aimed to compare and rank the effect of hypoxic practices on maximum oxygen consumption (VO2max) in athletes and determine the hypoxic dose-response correlation using network meta-analysis. Methods: The Web of Science, PubMed, EMBASE, and EBSCO databases were systematically search for randomized controlled trials on the effect of hypoxc interventions on the VO2max of athletes published from inception until 21 February 2023. Studies that used live-high train-high (LHTH), live-high train-low (LHTL), live-high, train-high/low (HHL), intermittent hypoxic training (IHT), and intermittent hypoxic exposure (IHE) interventions were primarily included. LHTL was further defined according to the type of hypoxic environment (natural and simulated) and the altitude of the training site (low altitude and sea level). A meta-analysis was conducted to determine the standardized mean difference between the effects of various hypoxic interventions on VO2max and dose-response correlation. Furthermore, the hypoxic dosage of the different interventions were coordinated using the "kilometer hour" model. Results: From 2,072 originally identified titles, 59 studies were finally included in this study. After data pooling, LHTL, LHTH, and IHT outperformed normoxic training in improving the VO2max of athletes. According to the P-scores, LHTL combined with low altitude training was the most effective intervention for improving VO2max (natural: 0.92 and simulated: 0.86) and was better than LHTL combined with sea level training (0.56). A reasonable hypoxic dose range for LHTH (470-1,130 kmh) and HL (500-1,415 kmh) was reported with an inverted U-shaped curve relationship. Conclusion: Different types of hypoxic training compared with normoxic training serve as significant approaches for improving aerobic capacity in athletes. Regardless of the type of hypoxic training and the residential condition, LHTL with low altitude training was the most effective intervention. The characteristics of the dose-effect correlation of LHTH and LHTL may be associated with the negative effects of chronic hypoxia.
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Affiliation(s)
- Xinmiao Feng
- Sports Coaching College, Beijing Sports University, Beijing, China
| | - Linlin Zhao
- Sports Coaching College, Beijing Sports University, Beijing, China
| | | | - Zihao Wang
- Capital Institute of Physical Education and Sports, Beijing, Beijing, China
| | - Hongyuan Lu
- Sports Coaching College, Beijing Sports University, Beijing, China
| | - Chuangang Wang
- Sports Coaching College, Beijing Sports University, Beijing, China
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6
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Bandopadhyay S, Patranabis S. Mechanisms of HIF-driven immunosuppression in tumour microenvironment. J Egypt Natl Canc Inst 2023; 35:27. [PMID: 37646847 DOI: 10.1186/s43046-023-00186-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 08/12/2023] [Indexed: 09/01/2023] Open
Abstract
Hypoxia arises due to insufficient oxygen delivery to rapidly proliferating tumour cells that outpace the available blood supply. It is a characteristic feature of most solid tumour microenvironments and plays a critical role in regulating anti-tumour immunity, enhancing tumoral heterogeneity, and promoting therapeutic resistance and poor clinical outcomes. Hypoxia-inducible factors (HIFs) are the major hypoxia-responsive transcription factors that are activated under low oxygenation conditions and have been identified to drive multifunctional roles in tumour immune evasion. The HIF signalling network serves as an attractive target for targeted therapeutic approaches. This review aims to provide a comprehensive overview of the most crucial mechanisms by which HIF controls the expression of immunosuppressive molecules and immune checkpoints, disrupts cancer immunogenicity, and induces immunotherapeutic resistance.
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Affiliation(s)
| | - Somi Patranabis
- Amity Institute of Biotechnology, Amity University, Kolkata, West Bengal, India.
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7
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Cui Y, Liu H, Wang Z, Zhang H, Tian J, Wang Z, Song W, Guo H, Liu L, Tian R, Zuo X, Ren S, Zhang F, Niu R. Fructose promotes angiogenesis by improving vascular endothelial cell function and upregulating VEGF expression in cancer cells. J Exp Clin Cancer Res 2023; 42:184. [PMID: 37507736 PMCID: PMC10375648 DOI: 10.1186/s13046-023-02765-3] [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: 04/12/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Fructose is a very common sugar found in natural foods, while current studies demonstrate that high fructose intake is significantly associated with increased risk of multiple cancers and more aggressive tumor behavior, but the relevant mechanisms are not fully understood. METHODS Tumor-grafting experiments and in vitro angiogenesis assays were conducted to detect the effect of fructose and the conditioned medium of fructose-cultured tumor cells on biological function of vascular endothelial cells (VECs) and angiogenesis. 448 colorectal cancer specimens were utilized to analyze the relationship between Glut5 expression levels in VECs and tumor cells and microvascular density (MVD). RESULTS We found that fructose can be metabolized by VECs and activate the Akt and Src signaling pathways, thereby enhancing the proliferation, migration, and tube-forming abilities of VECs and thereby promoting angiogenesis. Moreover, fructose can also improve the expression of vascular endothelial growth factor (VEGF) by upregulating the production of reactive oxygen species (ROS) in colorectal cancer cells, thus indirectly enhancing the biological function of VECs. Furthermore, this pro-angiogenic effect of fructose metabolism has also been well validated in clinical colorectal cancer tissues and mouse models. Fructose contributes to angiogenesis in mouse subcutaneous tumor grafts, and MVD is positively correlated with Glut5 expression levels of both endothelial cells and tumor cells of human colorectal cancer specimens. CONCLUSIONS These findings establish the direct role and mechanism by which fructose promotes tumor progression through increased angiogenesis, and provide reliable evidence for a better understanding of tumor metabolic reprogramming.
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Affiliation(s)
- Yanfen Cui
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Hui Liu
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Zhaosong Wang
- Laboratory Animal Center, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - He Zhang
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Jianfei Tian
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Zhiyong Wang
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Weijie Song
- Laboratory Animal Center, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Hui Guo
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Liming Liu
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Ruinan Tian
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Xiaoyan Zuo
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Sixin Ren
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Fei Zhang
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China.
| | - Ruifang Niu
- Public Laboratory, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China.
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8
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Koeberle SC, Kipp AP, Stuppner H, Koeberle A. Ferroptosis-modulating small molecules for targeting drug-resistant cancer: Challenges and opportunities in manipulating redox signaling. Med Res Rev 2023; 43:614-682. [PMID: 36658724 PMCID: PMC10947485 DOI: 10.1002/med.21933] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/07/2022] [Accepted: 01/03/2023] [Indexed: 01/21/2023]
Abstract
Ferroptosis is an iron-dependent cell death program that is characterized by excessive lipid peroxidation. Triggering ferroptosis has been proposed as a promising strategy to fight cancer and overcome drug resistance in antitumor therapy. Understanding the molecular interactions and structural features of ferroptosis-inducing compounds might therefore open the door to efficient pharmacological strategies against aggressive, metastatic, and therapy-resistant cancer. We here summarize the molecular mechanisms and structural requirements of ferroptosis-inducing small molecules that target central players in ferroptosis. Focus is placed on (i) glutathione peroxidase (GPX) 4, the only GPX isoenzyme that detoxifies complex membrane-bound lipid hydroperoxides, (ii) the cystine/glutamate antiporter system Xc - that is central for glutathione regeneration, (iii) the redox-protective transcription factor nuclear factor erythroid 2-related factor (NRF2), and (iv) GPX4 repression in combination with induced heme degradation via heme oxygenase-1. We deduce common features for efficient ferroptotic activity and highlight challenges in drug development. Moreover, we critically discuss the potential of natural products as ferroptosis-inducing lead structures and provide a comprehensive overview of structurally diverse biogenic and bioinspired small molecules that trigger ferroptosis via iron oxidation, inhibition of the thioredoxin/thioredoxin reductase system or less defined modes of action.
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Affiliation(s)
- Solveigh C. Koeberle
- Michael Popp Institute, Center for Molecular Biosciences Innsbruck (CMBI)University of InnsbruckTirolInnsbruckAustria
- Department of Molecular Nutritional Physiology, Institute of Nutritional SciencesFriedrich Schiller University JenaThüringenJenaGermany
| | - Anna P. Kipp
- Department of Molecular Nutritional Physiology, Institute of Nutritional SciencesFriedrich Schiller University JenaThüringenJenaGermany
| | - Hermann Stuppner
- Unit of Pharmacognosy, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck (CMBI)University of InnsbruckTirolInnsbruckAustria
| | - Andreas Koeberle
- Michael Popp Institute, Center for Molecular Biosciences Innsbruck (CMBI)University of InnsbruckTirolInnsbruckAustria
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9
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Mei C, Gong W, Wang X, Lv Y, Zhang Y, Wu S, Zhu C. Anti-angiogenic therapy in ovarian cancer: Current understandings and prospects of precision medicine. Front Pharmacol 2023; 14:1147717. [PMID: 36959862 PMCID: PMC10027942 DOI: 10.3389/fphar.2023.1147717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 02/23/2023] [Indexed: 03/09/2023] Open
Abstract
Ovarian cancer (OC) remains the most fatal disease of gynecologic malignant tumors. Angiogenesis refers to the development of new vessels from pre-existing ones, which is responsible for supplying nutrients and removing metabolic waste. Although not yet completely understood, tumor vascularization is orchestrated by multiple secreted factors and signaling pathways. The most central proangiogenic signal, vascular endothelial growth factor (VEGF)/VEGFR signaling, is also the primary target of initial clinical anti-angiogenic effort. However, the efficiency of therapy has so far been modest due to the low response rate and rapidly emerging acquiring resistance. This review focused on the current understanding of the in-depth mechanisms of tumor angiogenesis, together with the newest reports of clinical trial outcomes and resistance mechanism of anti-angiogenic agents in OC. We also emphatically summarized and analyzed previously reported biomarkers and predictive models to describe the prospect of precision therapy of anti-angiogenic drugs in OC.
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Affiliation(s)
- Chao Mei
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weijing Gong
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
| | - Xu Wang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongning Lv
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sanlan Wu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
- *Correspondence: Sanlan Wu, ; Chunqi Zhu,
| | - Chunqi Zhu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Sanlan Wu, ; Chunqi Zhu,
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10
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Bui BP, Nguyen PL, Lee K, Cho J. Hypoxia-Inducible Factor-1: A Novel Therapeutic Target for the Management of Cancer, Drug Resistance, and Cancer-Related Pain. Cancers (Basel) 2022; 14:cancers14246054. [PMID: 36551540 PMCID: PMC9775408 DOI: 10.3390/cancers14246054] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/06/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Hypoxia-inducible factor-1 (HIF-1) is a key transcription factor that regulates the transcription of many genes that are responsible for the adaptation and survival of tumor cells in hypoxic environments. Over the past few decades, tremendous efforts have been made to comprehensively understand the role of HIF-1 in tumor progression. Based on the pivotal roles of HIF-1 in tumor biology, many HIF-1 inhibitors interrupting expression, stabilization, DNA binding properties, or transcriptional activity have been identified as potential therapeutic agents for various cancers, yet none of these inhibitors have yet been successfully translated into clinically available cancer treatments. In this review, we briefly introduce the regulation of the HIF-1 pathway and summarize its roles in tumor cell proliferation, angiogenesis, and metastasis. In addition, we explore the implications of HIF-1 in the development of drug resistance and cancer-related pain: the most commonly encountered obstacles during conventional anticancer therapies. Finally, the current status of HIF-1 inhibitors in clinical trials and their perspectives are highlighted, along with their modes of action. This review provides new insights into novel anticancer drug development targeting HIF-1. HIF-1 inhibitors may be promising combinational therapeutic interventions to improve the efficacy of current cancer treatments and reduce drug resistance and cancer-related pain.
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11
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Scott L, Wigglesworth MJ, Siewers V, Davis AM, David F. Genetically Encoded Whole Cell Biosensor for Drug Discovery of HIF-1 Interaction Inhibitors. ACS Synth Biol 2022; 11:3182-3189. [PMID: 36223492 PMCID: PMC9594322 DOI: 10.1021/acssynbio.2c00274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The heterodimeric transcription factor, hypoxia inducible factor-1 (HIF-1), is an important anticancer target as it supports the adaptation and response of tumors to hypoxia. Here, we optimized the repressed transactivator yeast two-hybrid system to further develop it as part of a versatile yeast-based drug discovery platform and validated it using HIF-1. We demonstrate both fluorescence-based and auxotrophy-based selections that could detect HIF-1α/HIF-1β dimerization inhibition. The engineered genetic selection is tunable and able to differentiate between strong and weak interactions, shows a large dynamic range, and is stable over different growth phases. Furthermore, we engineered mechanisms to control for cellular activity and off-target drug effects. We thoroughly characterized all parts of the biosensor system and argue this tool will be generally applicable to a wide array of protein-protein interaction targets. We anticipate this biosensor will be useful as part of a drug discovery platform, particularly when screening DNA-encoded new modality drugs.
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Affiliation(s)
- Louis
H. Scott
- Discovery
Sciences, Biopharmaceuticals R&D, AstraZeneca, SE-41320 Gothenburg, Sweden,Department
of Biology and Biological Engineering, Division of Systems and Synthetic
Biology, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | - Mark J. Wigglesworth
- Discovery
Sciences, Biopharmaceuticals R&D, AstraZeneca, Alderley Park SK10 2NA, U.K.
| | - Verena Siewers
- Department
of Biology and Biological Engineering, Division of Systems and Synthetic
Biology, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | - Andrew M. Davis
- Discovery
Sciences, Biopharmaceutical R&D, AstraZeneca, Cambridge, CB2 0AA, U.K.
| | - Florian David
- Department
of Biology and Biological Engineering, Division of Systems and Synthetic
Biology, Chalmers University of Technology, SE-41296 Gothenburg, Sweden,
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12
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Multiplexed imaging mass cytometry reveals distinct tumor-immune microenvironments linked to immunotherapy responses in melanoma. COMMUNICATIONS MEDICINE 2022; 2:131. [PMID: 36281356 PMCID: PMC9587266 DOI: 10.1038/s43856-022-00197-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 09/30/2022] [Indexed: 11/08/2022] Open
Abstract
Background Single-cell technologies have enabled extensive analysis of complex immune composition, phenotype and interactions within tumor, which is crucial in understanding the mechanisms behind cancer progression and treatment resistance. Unfortunately, knowledge on cell phenotypes and their spatial interactions has only had limited impact on the pathological stratification of patients in the clinic so far. We explore the relationship between different tumor environments (TMEs) and response to immunotherapy by deciphering the composition and spatial relationships of different cell types. Methods Here we used imaging mass cytometry to simultaneously quantify 35 proteins in a spatially resolved manner on tumor tissues from 26 melanoma patients receiving anti-programmed cell death-1 (anti-PD-1) therapy. Using unsupervised clustering, we profiled 662,266 single cells to identify lymphocytes, myeloid derived monocytes, stromal and tumor cells, and characterized TME of different melanomas. Results Combined single-cell and spatial analysis reveals highly dynamic TMEs that are characterized with variable tumor and immune cell phenotypes and their spatial organizations in melanomas, and many of these multicellular features are associated with response to anti-PD-1 therapy. We further identify six distinct TME archetypes based on their multicellular compositions, and find that patients with different TME archetypes responded differently to anti-PD-1 therapy. Finally, we find that classifying patients based on the gene expression signature derived from TME archetypes predicts anti-PD-1 therapy response across multiple validation cohorts. Conclusions Our results demonstrate the utility of multiplex proteomic imaging technologies in studying complex molecular events in a spatially resolved manner for the development of new strategies for patient stratification and treatment outcome prediction.
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Chen X, Luo Z, Liu X, Li X, Li Q, Zhang W, Liu Y, Cheng Z, Yang X, Liu Y, Jin R, Zhu D, Wang F, Lu Q, Su Z, Guo H. Marsdenia tenacissima (Roxb.) Moon injection exerts a potential anti-tumor effect in prostate cancer through inhibiting ErbB2-GSK3β-HIF1α signaling axis. JOURNAL OF ETHNOPHARMACOLOGY 2022; 295:115381. [PMID: 35595220 DOI: 10.1016/j.jep.2022.115381] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/20/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Marsdenia tenacissima injection (MTE), a traditional Chinese medical injection extracted from the rattan of Marsdenia tenacissima (Roxb.) Moon, has been approved for clinical use in China as an adjuvant therapeutic agent in multiple cancers, including esophageal cancer, gastric cancer, lung cancer, and liver cancer. However, the activity and mechanism of MTE on prostate cancer (PCa) remain to be defined. AIM OF THE STUDY To investigate the activity and the underlying mechanism of MTE in the treatment of PCa. MATERIALS AND METHODS The component characterization of MTE was analyzed by HPLC-CAD-QTOF-MS/MS technology. Cell Counting Kit-8 (CCK-8) assay was used to assess PCa cell proliferation. Colony formation assay was applied to detect the clonogenic ability of the cells. MetaboAnalyst5.0 database was employed to analyze the altered metabolites of PC3 cells treated with MTE obtained by UPLC-QTOF-MS/MS. Combined with metabolomics analysis and network pharmacology, we predicted the potential targets, which further were verified by Western Blot, RT-qPCR, and Immunohistochemistry assays. Finally, SeeSAR software was applied to predict the potential active components of MTE against PCa. RESULTS A total of 21 components in MTE were confirmed by HPLC-CAD-QTOF-MS/MS analysis. MTE inhibited the proliferation and colony formation of PCa cells. A total of 20 metabolites closely related to glycerophospholipid metabolism, glycolysis/gluconeogenesis, and tricarboxylic acid (TCA) cycle were significantly changed in PC3 cells treated with MTE. The network pharmacology analysis revealed that MTE suppressed the growth of PC3 cells might by regulating the ErbB2-GSK3β-HIF1α signaling axis. Furthermore, we also confirmed that stimulation of MTE significantly inhibited the phosphorylation of ErbB2 at Tyr877 and the activities of its downstream signal transducers (GSK3β and HIF1α) in PCa, as well as the mRNA levels of critical factors (IDH2, LDHA, and HIF1A) in the tricarboxylic acid (TCA) cycle. Molecular docking further suggested that Tenacissimoside E, cryptochlorogenic acid, and scopoletin might be the active ingredients of MTE for PCa treatment. CONCLUSION This study proposed that MTE exerts a potential anti-tumor effect in PCa through inhibiting ErbB2-GSK3β-HIF1α signaling axis, which may be related to the TCA cycle.
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Affiliation(s)
- Xin Chen
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Zhuo Luo
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Xi Liu
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Xiaolan Li
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Qiaofeng Li
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Weiquan Zhang
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Ying Liu
- Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; College of Pharmacy, Guangxi University of Chinese Medicine, 179 Mingxiu Dong Road, Nanning, 530001, China
| | - Zhiping Cheng
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Xin Yang
- Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Yanying Liu
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Ronghua Jin
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Dan Zhu
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Fengmao Wang
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China
| | - Qinpei Lu
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China.
| | - Zhiheng Su
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China.
| | - Hongwei Guo
- Guangxi Key Laboratory for Bioactive Molecules Research and Evaluation & College of Pharmacy, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education & Center for Translational Medicine, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, China.
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Regulating the Expression of HIF-1α or lncRNA: Potential Directions for Cancer Therapy. Cells 2022; 11:cells11182811. [PMID: 36139386 PMCID: PMC9496732 DOI: 10.3390/cells11182811] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/27/2022] [Accepted: 09/05/2022] [Indexed: 12/05/2022] Open
Abstract
Previous studies have shown that tumors under a hypoxic environment can induce an important hypoxia-responsive element, hypoxia-induced factor-1α (HIF-1α), which can increase tumor migration, invasion, and metastatic ability by promoting epithelial-to-mesenchymal transition (EMT) in tumor cells. Currently, with the deeper knowledge of long noncoding RNAs (lncRNAs), more and more functions of lncRNAs have been discovered. HIF-1α can regulate hypoxia-responsive lncRNAs under hypoxic conditions, and changes in the expression level of lncRNAs can regulate the production of EMT transcription factors and signaling pathway transduction, thus promoting EMT progress. In conclusion, this review summarizes the regulation of the EMT process by HIF-1α and lncRNAs and discusses their relationship with tumorigenesis. Since HIF-1α plays an important role in tumor progression, we also summarize the current drugs that inhibit tumor progression by modulating HIF-1α.
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Metabolomics and Biomarkers in Retinal and Choroidal Vascular Diseases. Metabolites 2022; 12:metabo12090814. [PMID: 36144219 PMCID: PMC9503269 DOI: 10.3390/metabo12090814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 11/17/2022] Open
Abstract
The retina is one of the most important structures in the eye, and the vascular health of the retina and choroid is critical to visual function. Metabolomics provides an analytical approach to endogenous small molecule metabolites in organisms, summarizes the results of “gene-environment interactions”, and is an ideal analytical tool to obtain “biomarkers” related to disease information. This study discusses the metabolic changes in neovascular diseases involving the retina and discusses the progress of the study from the perspective of metabolomics design and analysis. This study advocates a comparative strategy based on existing studies, which encompasses optimization of the performance of newly identified biomarkers and the consideration of the basis of existing studies, which facilitates quality control of newly discovered biomarkers and is recommended as an additional reference strategy for new biomarker discovery. Finally, by describing the metabolic mechanisms of retinal and choroidal neovascularization, based on the results of existing studies, this study provides potential opportunities to find new therapeutic approaches.
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Zhou L, Jiang J, Huang Z, Jin P, Peng L, Luo M, Zhang Z, Chen Y, Xie N, Gao W, Nice EC, Li JQ, Chen HN, Huang C. Hypoxia-induced lncRNA STEAP3-AS1 activates Wnt/β-catenin signaling to promote colorectal cancer progression by preventing m6A-mediated degradation of STEAP3 mRNA. Mol Cancer 2022; 21:168. [PMID: 35986274 PMCID: PMC9392287 DOI: 10.1186/s12943-022-01638-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 08/09/2022] [Indexed: 11/30/2022] Open
Abstract
Background Hypoxia, a typical hallmark of solid tumors, exhibits an essential role in the progression of colorectal cancer (CRC), in which the dysregulation of long non-coding RNAs (lncRNAs) is frequently observed. However, the underlying mechanisms are not clearly defined. Methods The TCGA database was analyzed to identify differential lncRNA expression involved in hypoxia-induced CRC progression. qRT-PCR was conducted to validate the upregulation of lncRNA STEAP3-AS1 in CRC cell lines and tumor-bearing mouse and zebrafish models under hypoxia. ChIP-qRT-PCR was used to detect the transcriptional activation of STEAP3-AS1 mediated by HIF-1α. RNA-seq, fluorescent in situ hybridization, RNA pulldown, RNA immunoprecipitation, co-immunoprecipitation, immunofluorescence and immunoblot experiments were used to ascertain the involved mechanisms. Functional assays were performed in both in vitro and in vivo models to investigate the regulatory role of STEAP3-AS1/STEAP3/Wnt/β-catenin axis in CRC proliferation and metastasis. Results Here, we identified a hypoxia-induced antisense lncRNA STEAP3-AS1 that was highly expressed in clinical CRC tissues and positively correlated with poor prognosis of CRC patients. Upregulation of lncRNA STEAP3-AS1, which was induced by HIF-1α-mediated transcriptional activation, facilitated the proliferation and metastasis of CRC cells both in vitro and in vivo. Mechanistically, STEAP3-AS1 interacted competitively with the YTH domain-containing family protein 2 (YTHDF2), a N6-methyladenosine (m6A) reader, leading to the disassociation of YTHDF2 with STEAP3 mRNA. This effect protected STEAP3 mRNA from m6A-mediated degradation, enabling the high expression of STEAP3 protein and subsequent production of cellular ferrous iron (Fe2+). Increased Fe2+ levels elevated Ser 9 phosphorylation of glycogen synthase kinase 3 beta (GSK3β) and inhibited its kinase activity, thus releasing β-catenin for nuclear translocation and subsequent activation of Wnt signaling to support CRC progression. Conclusions Taken together, our study highlights the mechanisms of lncRNA STEAP3-AS1 in facilitating CRC progression involving the STEAP3-AS1/STEAP3/Wnt/β-catenin axis, which may provide novel diagnostic biomarkers or therapeutic targets to benefit CRC treatment. Graphical abstract Hypoxia-induced HIF-1α transcriptionally upregulates the expression of lncRNA STEAP3-AS1, which interacts competitively with YTHDF2, thus upregulating mRNA stability of STEAP3 and consequent STEAP3 protein expression. The enhanced STEAP3 expression results in production of cellular ferrous iron (Fe2+), which induces the Ser 9 phosphorylation and inactivation of GSK3β, releasing β-catenin for nuclear translocation and contributing to subsequent activation of Wnt signaling to promote CRC progression.![]() Supplementary Information The online version contains supplementary material available at 10.1186/s12943-022-01638-1.
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López-Cortés A, Prathap L, Ortiz-Prado E, Kyriakidis NC, León Cáceres Á, Armendáriz-Castillo I, Vera-Guapi A, Yumiceba V, Simbaña-Rivera K, Echeverría-Garcés G, García-Cárdenas JM, Pérez-Villa A, Guevara-Ramírez P, Abad-Sojos A, Bautista J, Puig San Andrés L, Varela N, Guerrero S. The close interaction between hypoxia-related proteins and metastasis in pancarcinomas. Sci Rep 2022; 12:11100. [PMID: 35773405 PMCID: PMC9246854 DOI: 10.1038/s41598-022-15246-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/21/2022] [Indexed: 11/25/2022] Open
Abstract
Many primary-tumor subregions exhibit low levels of molecular oxygen and restricted access to nutrients due to poor vascularization in the tissue, phenomenon known as hypoxia. Hypoxic tumors are able to regulate the expression of certain genes and signaling molecules in the microenvironment that shift it towards a more aggressive phenotype. The transcriptional landscape of the tumor favors malignant transformation of neighboring cells and their migration to distant sites. Herein, we focused on identifying key proteins that participate in the signaling crossroads between hypoxic environment and metastasis progression that remain poorly defined. To shed light on these mechanisms, we performed an integrated multi-omics analysis encompassing genomic/transcriptomic alterations of hypoxia-related genes and Buffa hypoxia scores across 17 pancarcinomas taken from the PanCancer Atlas project from The Cancer Genome Atlas consortium, protein-protein interactome network, shortest paths from hypoxia-related proteins to metastatic and angiogenic phenotypes, and drugs involved in current clinical trials to treat the metastatic disease. As results, we identified 30 hypoxia-related proteins highly involved in metastasis and angiogenesis. This set of proteins, validated with the MSK-MET Project, could represent key targets for developing therapies. The upregulation of mRNA was the most prevalent alteration in all cancer types. The highest frequencies of genomic/transcriptomic alterations and hypoxia score belonged to tumor stage 4 and positive metastatic status in all pancarcinomas. The most significantly associated signaling pathways were HIF-1, PI3K-Akt, thyroid hormone, ErbB, FoxO, mTOR, insulin, MAPK, Ras, AMPK, and VEGF. The interactome network revealed high-confidence interactions among hypoxic and metastatic proteins. The analysis of shortest paths revealed several ways to spread metastasis and angiogenesis from hypoxic proteins. Lastly, we identified 23 drugs enrolled in clinical trials focused on metastatic disease treatment. Six of them were involved in advanced-stage clinical trials: aflibercept, bevacizumab, cetuximab, erlotinib, ipatasertib, and panitumumab.
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Affiliation(s)
- Andrés López-Cortés
- Programa de Investigación en Salud Global, Facultad de Ciencias de la Salud, Universidad Internacional SEK, 170302, Quito, Ecuador.
- Escuela de Medicina, Facultad de Ciencias de la Salud, Universidad de Las Américas, 170124, Quito, Ecuador.
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain.
| | - Lavanya Prathap
- Department of Anatomy, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, 600077, Chennai, India
| | - Esteban Ortiz-Prado
- One Health Research Group, Universidad de Las Américas, 170124, Quito, Ecuador
| | | | - Ángela León Cáceres
- Heidelberg Institute of Global Health, Faculty of Medicine, University of Heidelberg, 69117, Heidelberg, Germany
| | - Isaac Armendáriz-Castillo
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
- Instituto Nacional de Investigación en Salud Pública, 170136, Quito, Ecuador
- Facultad de Ingenierías y Ciencias Aplicadas, Universidad Internacional SEK, 170302, Quito, Ecuador
| | - Antonella Vera-Guapi
- Integrated Research and Treatment Center, Center for Sepsis Control and Care (CSCC), Jena University Hospital, 07747, Jena, Germany
| | - Verónica Yumiceba
- Institut Für Humangenetik Lübeck, Universität Zu Lübeck, 23562, Lübeck, Germany
| | - Katherine Simbaña-Rivera
- One Health Research Group, Universidad de Las Américas, 170124, Quito, Ecuador
- Latin American Network for Cancer Research (LAN-CANCER), Lima, Peru
| | - Gabriela Echeverría-Garcés
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
| | - Jennyfer M García-Cárdenas
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
- Laboratorio de Ciencia de Datos Biomédicos, Escuela de Medicina, Facultad de Ciencias Médicas de la Salud y de la Vida, Universidad Internacional del Ecuador, 170113, Quito, Ecuador
| | - Andy Pérez-Villa
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
| | - Patricia Guevara-Ramírez
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
| | | | | | | | - Nelson Varela
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology, Faculty of Medicine, University of Chile, 8320000, Santiago, Chile
| | - Santiago Guerrero
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015, Madrid, Spain.
- Laboratorio de Ciencia de Datos Biomédicos, Escuela de Medicina, Facultad de Ciencias Médicas de la Salud y de la Vida, Universidad Internacional del Ecuador, 170113, Quito, Ecuador.
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Carboranes in drug discovery, chemical biology and molecular imaging. Nat Rev Chem 2022; 6:486-504. [PMID: 37117309 DOI: 10.1038/s41570-022-00400-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2022] [Indexed: 11/08/2022]
Abstract
There exists a paucity of structural innovation and limited molecular diversity associated with molecular frameworks in drug discovery and biomolecular imaging/chemical probe design. The discovery and exploitation of new molecular entities for medical and biological applications will necessarily involve voyaging into previously unexplored regions of chemical space. Boron clusters, notably the carboranes, offer an alternative to conventional (poly)cyclic organic frameworks that may address some of the limitations associated with the use of novel molecular frameworks in chemical biology or medicine. The high thermal stability, unique 3D structure and aromaticity, kinetic inertness to metabolism and ability to engage in unusual types of intermolecular interactions, such as dihydrogen bonds, with biological receptors make carboranes exquisite frameworks in the design of probes for chemical biology, novel drug candidates and biomolecular imaging agents. This Review highlights the key developments of carborane derivatives made over the last decade as new design tools in medicinal chemistry and chemical biology, showcasing the versatility of this unique family of boron compounds.
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Xiang L, Wang Y, Lan J, Na F, Wu S, Gong Y, Du H, Shao B, Xie G. HIF-1-dependent heme synthesis promotes gemcitabine resistance in human non-small cell lung cancers via enhanced ABCB6 expression. Cell Mol Life Sci 2022; 79:343. [PMID: 35661930 PMCID: PMC11072486 DOI: 10.1007/s00018-022-04360-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/16/2022] [Accepted: 05/10/2022] [Indexed: 12/12/2022]
Abstract
Gemcitabine is commonly used to treat various cancer types, including human non-small cell lung cancer (NSCLC). However, even cases that initially respond rapidly commonly develop acquired resistance, limiting our ability to effectively treat advanced NSCLC. To gain insight for developing a strategy to overcome gemcitabine resistance, the present study investigated the mechanism of gemcitabine resistance in NSCLC according to the involvement of ATP-binding cassette subfamily B member 6 (ABCB6) and heme biosynthesis. First, an analysis of ABCB6 expression in human NSCLCs was found to be associated with poor prognosis and gemcitabine resistance in a hypoxia-inducible factor (HIF)-1-dependent manner. Further experiments showed that activation of HIF-1α/ABCB6 signaling led to intracellular heme metabolic reprogramming and a corresponding increase in heme biosynthesis to enhance the activation and accumulation of catalase. Increased catalase levels diminished the effective levels of reactive oxygen species, thereby promoting gemcitabine-based resistance. In a mouse NSCLC model, inhibition of HIF-1α or ABCB6, in combination with gemcitabine, strongly restrained tumor proliferation, increased tumor cell apoptosis, and prolonged animal survival. These results suggest that, in combination with gemcitabine-based chemotherapy, targeting HIF-1α/ABCB6 signaling could result in enhanced tumor chemosensitivity and, thus, may improve outcomes in NSCLC patients.
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Affiliation(s)
- Lisha Xiang
- Clinical Trial Center, National Medical Products Administration Key Laboratory for Clinical Research and Evaluation of Innovative Drugs, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Thoracic Oncology, Department of Radiation Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yongsheng Wang
- Clinical Trial Center, National Medical Products Administration Key Laboratory for Clinical Research and Evaluation of Innovative Drugs, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Thoracic Oncology, Department of Radiation Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jie Lan
- Department of Thoracic Oncology, Department of Radiation Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Feifei Na
- Department of Thoracic Oncology, Department of Radiation Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Shuang Wu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 29 Gaotanyan Street, Chongqing, 400038, China
| | - Yuzhu Gong
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 29 Gaotanyan Street, Chongqing, 400038, China
| | - Hanjian Du
- Department of Neurosurgery, Chongqing University Cancer Hospital, Chongqing Cancer Institute, Chongqing Cancer Hospital, Chongqing, 400030, China
| | - Bin Shao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Renmin south road 3 section, Chengdu, 610041, China.
| | - Ganfeng Xie
- Department of Oncology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 29 Gaotanyan Street, Chongqing, 400038, China.
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Peral A, Mateo J, Domínguez-Godínez CO, Carracedo G, Gómez JA, Crooke A, Pintor J. Therapeutic potential of topical administration of siRNAs against HIF-1α for corneal neovascularization. Exp Eye Res 2022; 219:109036. [DOI: 10.1016/j.exer.2022.109036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/19/2022] [Accepted: 03/12/2022] [Indexed: 12/24/2022]
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Hypoxia as a Modulator of Inflammation and Immune Response in Cancer. Cancers (Basel) 2022; 14:cancers14092291. [PMID: 35565420 PMCID: PMC9099524 DOI: 10.3390/cancers14092291] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/25/2022] [Accepted: 04/25/2022] [Indexed: 02/01/2023] Open
Abstract
A clear association between hypoxia and cancer has heretofore been established; however, it has not been completely developed. In this sense, the understanding of the tumoral microenvironment is critical to dissect the complexity of cancer, including the reduction in oxygen distribution inside the tumoral mass, defined as tumoral hypoxia. Moreover, hypoxia not only influences the tumoral cells but also the surrounding cells, including those related to the inflammatory processes. In this review, we analyze the participation of HIF, NF-κB, and STAT signaling pathways as the main components that interconnect hypoxia and immune response and how they modulate tumoral growth. In addition, we closely examine the participation of the immune cells and how they are affected by hypoxia, the effects of the progression of cancer, and some innovative applications that take advantage of this knowledge, to suggest potential therapies. Therefore, we contribute to the understanding of the complexity of cancer to propose innovative therapeutic strategies in the future.
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Mudassar F, Shen H, Cook KM, Hau E. Improving the synergistic combination of programmed death‐1/programmed death ligand‐1 blockade and radiotherapy by targeting the hypoxic tumour microenvironment. J Med Imaging Radiat Oncol 2022; 66:560-574. [PMID: 35466515 PMCID: PMC9322583 DOI: 10.1111/1754-9485.13416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 04/05/2022] [Accepted: 04/10/2022] [Indexed: 11/28/2022]
Abstract
Immune checkpoint inhibition with PD‐1/PD‐L1 blockade is a promising area in the field of anti‐cancer therapy. Although clinical data have revealed success of PD‐1/PD‐L1 blockade as monotherapy or in combination with CTLA‐4 or chemotherapy, the combination with radiotherapy could further boost anti‐tumour immunity and enhance clinical outcomes due to the immunostimulatory effects of radiation. However, the synergistic combination of PD‐1/PD‐L1 blockade and radiotherapy can be challenged by the complex nature of the tumour microenvironment (TME), including the presence of tumour hypoxia. Hypoxia is a major barrier to the effectiveness of both radiotherapy and PD‐1/PD‐L1 blockade immunotherapy. Thus, targeting the hypoxic TME is an attractive strategy to enhance the efficacy of the combination. Addition of compounds that directly or indirectly reduce hypoxia, to the combination of PD‐1/PD‐L1 inhibitors and radiotherapy may optimize the success of the combination and improve therapeutic outcomes. In this review, we will discuss the synergistic combination of PD‐1/PD‐L1 blockade and radiotherapy and highlight the role of hypoxic TME in impeding the success of both therapies. In addition, we will address the potential approaches for targeting tumour hypoxia and how exploiting these strategies could benefit the combination of PD‐1/PD‐L1 blockade and radiotherapy.
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Affiliation(s)
- Faiqa Mudassar
- Translational Radiation Biology and Oncology Laboratory, Centre for Cancer Research The Westmead Institute for Medical Research Sydney New South Wales Australia
- Sydney Medical School The University of Sydney Sydney New South Wales Australia
| | - Han Shen
- Translational Radiation Biology and Oncology Laboratory, Centre for Cancer Research The Westmead Institute for Medical Research Sydney New South Wales Australia
- Sydney Medical School The University of Sydney Sydney New South Wales Australia
| | - Kristina M Cook
- Sydney Medical School The University of Sydney Sydney New South Wales Australia
- Charles Perkins Centre The University of Sydney Sydney New South Wales Australia
| | - Eric Hau
- Translational Radiation Biology and Oncology Laboratory, Centre for Cancer Research The Westmead Institute for Medical Research Sydney New South Wales Australia
- Sydney Medical School The University of Sydney Sydney New South Wales Australia
- Department of Radiation Oncology, Crown Princess Mary Cancer Centre Westmead Hospital Sydney New South Wales Australia
- Blacktown Hematology and Cancer Centre Blacktown Hospital Sydney New South Wales Australia
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23
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Kurt AH, Ayaz L, Ayaz F, Seferoglu Z, Nural Y. A review on the design, synthesis, and structure-activity relationships of benzothiazole derivatives against hypoxic tumors. Curr Org Synth 2022; 19:772-796. [PMID: 35352663 DOI: 10.2174/1570179419666220330001036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/23/2022] [Accepted: 02/11/2022] [Indexed: 12/24/2022]
Abstract
There has been a growing body of studies on benzothiazoles and benzothiazole derivatives as strong and effective antitumor agents against lung, liver, pancreas, breast, and brain tumors. Due to highly proliferative nature of the tumor cells, the oxygen levels get lower than that of a normal tissue in the tumor microenvironment. This situation is called as hypoxia and has been associated with increased ability for carcinogenesis. For the drug design and development strategies, hypoxic nature of the tumor tissues has been exploited more aggressively. Hypoxia itself acts as a signal initiating system to activate the pathways that eventually lead to the spread of the tumor cells into the different tissues, increases the rate of DNA damage and eventually ends up with more mutation levels that may increase the drug resistance. As one of the major mediators of hypoxic response, hypoxia inducible factors (HIFs) has been shown to activate to angiogenesis, metastasis, apoptosis resistance, and many other protumorigenic responses in cancer development. In the current review, we will be discussing the design, synthesis and structure-activity relationships of benzothiazole derivatives against hypoxic tumors such lung, liver, pancreas, breast and brain as potential anticancer drug candidates. The focus points of the study will be the biology behind carcinogenesis and how hypoxia contributes to the process, recent studies on benzothiazole and its derivatives as anti-cancer agents against hypoxic cancers, conclusions and future perspectives. We believe that this review will be useful for the researchers in the field of drug design during their studies to generate novel benzothiazole-containing hybrids against hypoxic tumors with higher efficacies.
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Affiliation(s)
- Akif Hakan Kurt
- Department of Medicinal Pharmacology, Faculty of Medicine, Bolu Abant İzzet Baysal University, 14030, Bolu, Turkey
| | - Lokman Ayaz
- Department of Biochemistry, Faculty of Pharmacy, Trakya University, Edirne, Turkey
| | - Furkan Ayaz
- Department of Biotechnology, Faculty of Arts and Science, Mersin University, 33343, Mersin, Turkey
| | - Zeynel Seferoglu
- Department of Chemistry, Faculty of Science, Gazi University, TR-06500, Ankara, Turkey
| | - Yahya Nural
- Advanced Technology, Research and Application Center, Mersin University, 33343 Mersin, Turkey
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24
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Pérez Regalado S, León J, Feriche B. Therapeutic approach for digestive system cancers and potential implications of exercise under hypoxia condition: what little is known? a narrative review. J Cancer Res Clin Oncol 2022; 148:1107-1121. [PMID: 35157120 DOI: 10.1007/s00432-022-03918-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 01/04/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Cancer, like other chronic pathologies, is associated with the presence of hypoxic regions due to the uncontrolled cell growth. Under this pathological hypoxic condition, various molecular signaling pathways are activated to ensure cell survival, such as those that govern angiogenesis, erythropoiesis, among others. These molecular processes are very similar to the physiological response caused by exposure to altitude (natural hypobaric systemic hypoxia), the use of artificial hypoxia devices (systemic normobaric simulated hypoxia) or the delivery of vascular occlusion to the extremities (also called local hypoxia by the blood flow restriction technique). "Tumor hypoxia" has gained further clinical importance due to its crucial role in both tumor progression and resistance to treatment. However, the ability to manipulate this pathway through physical exercise and systemic hypoxia-mediated signaling pathways could offer an important range of therapeutic opportunities that should be further investigated. METHODS This review is focused on the potential implications of systemic hypoxia combined with exercise in digestive system neoplasms prognosis. Articles included in the review were retrieved by searching among the three main scientific databases: PubMed, Scopus, and Embase. FINDINGS The findings of this review suggest that exercise performed under systemic hypoxic conditions could have a positive impact in prognosis and quality of life of the population with digestive system cancers. CONCLUSIONS Further studies are needed to consider this paradigm as a new potential intervention in digestive oncological population.
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Affiliation(s)
- Sergio Pérez Regalado
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Josefa León
- Clinical Management Unit of Digestive System, San Cecilio Hospital, Ibs.GRANADA, Granada, Spain.
| | - Belén Feriche
- Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain
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25
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Ray SK, Mukherjee S. Directing hypoxic tumor microenvironment and HIF to illuminate cancer immunotherapy's existing prospects and challenges in drug targets. Curr Drug Targets 2022; 23:471-485. [PMID: 35021970 DOI: 10.2174/1389450123666220111114649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 11/22/2022]
Abstract
Cancer is now also reflected as a disease of the tumor microenvironment, primarily supposed to be a decontrolled genetic and cellular expression disease. Over the past two decades, significant and rapid progress has been made in recognizing the dynamics of the tumor's microenvironment and its contribution to influencing the response to various anti-cancer therapies and drugs. Modulations in the tumor microenvironment and immune checkpoint blockade are interesting in cancer immunotherapy and drug targets. Simultaneously, the immunotherapeutic strategy can be done by modulating the immune regulatory pathway; however, the tumor microenvironment plays an essential role in suppressing the antitumor's immunity by its substantial heterogeneity. Hypoxia inducible factor (HIF) is a significant contributor to solid tumor heterogeneity and a key stressor in the tumor microenvironment to drive adaptations to prevent immune surveillance. Checkpoint inhibitors here halt the ability of cancer cells to stop the immune system from activating, and in turn, amplify your body's immune system to help destroy cancer cells. Common checkpoints that these inhibitors affect are the PD-1/PD-L1 and CTLA-4 pathways and important drugs involved are Ipilimumab and Nivolumab, mainly along with other drugs in this group. Targeting the hypoxic tumor microenvironment may provide a novel immunotherapy strategy, break down traditional cancer therapy resistance, and build the framework for personalized precision medicine and cancer drug targets. We hope that this knowledge can provide insight into the therapeutic potential of targeting Hypoxia and help to develop novel combination approaches of cancer drugs to increase the effectiveness of existing cancer therapies, including immunotherapy.
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Affiliation(s)
| | - Sukhes Mukherjee
- Department of Biochemistry. All India Institute of Medical Sciences. Bhopal, Madhya pradesh-462020. India
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26
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Rasouli A, Aliebrahimi S, Montazeri V, Ghahremani MH, Ostad SN. Combination effect of doxorubicin and HIF inhibitor on MCF-7 CD44+/CD24- subpopulation cells in hypoxic condition. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902020000318754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Affiliation(s)
| | | | | | | | - Seyed Nasser Ostad
- Tehran University of Medical Sciences, Iran; Tehran University of Medical Sciences, Iran
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27
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CCL4 Stimulates Cell Migration in Human Osteosarcoma via the mir-3927-3p/Integrin αvβ3 Axis. Int J Mol Sci 2021; 22:ijms222312737. [PMID: 34884541 PMCID: PMC8657600 DOI: 10.3390/ijms222312737] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/18/2021] [Accepted: 11/23/2021] [Indexed: 01/05/2023] Open
Abstract
Osteosarcoma is the most common type of primary malignant bone cancer, and it is associated with high rates of pulmonary metastasis. Integrin αvβ3 is critical for osteosarcoma cell migratory and invasive abilities. Chemokine (C-C motif) ligand 4 (CCL4) has diverse effects on different cancer cells through its interaction with its specific receptor, C-C chemokine receptor type 5 (CCR5). Analysis of mRNA expression in human osteosarcoma tissue identified upregulated levels of CCL4, integrin αv and β3 expression. Similarly, an analysis of records from the Gene Expression Omnibus (GEO) dataset showed that CCL4 was upregulated in human osteosarcoma tissue. Importantly, the expression of both CCL4 and integrin αvβ3 correlated positively with osteosarcoma clinical stages and lung metastasis. Analysis of osteosarcoma cell lines identified that CCL4 promotes integrin αvβ3 expression and cell migration by activating the focal adhesion kinase (FAK), protein kinase B (AKT), and hypoxia inducible factor 1 subunit alpha (HIF-1α) signaling pathways, which can downregulate microRNA-3927-3p expression. Pharmacological inhibition of CCR5 by maraviroc (MVC) prevented increases in integrin αvβ3 expression and cell migration. This study is the first to implicate CCL4 as a potential target in the treatment of metastatic osteosarcoma.
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28
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Zhou X, Huang JQ, Liu LS, Deng FA, Liu YB, Li YM, Chen AL, Yu XY, Li SY, Cheng H. Self-Remedied Nanomedicine for Surmounting the Achilles' Heel of Photodynamic Tumor Therapy. ACS APPLIED BIO MATERIALS 2021; 4:8023-8032. [PMID: 35006783 DOI: 10.1021/acsabm.1c00938] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Oxygen-dependent photodynamic therapy (PDT) could exacerbate tumor hypoxia to induce the upregulation of hypoxia-inducible factor-1α (HIF-1α), which would promote tumor growth and metastasis. In this paper, a self-remedied nanomedicine is developed based on a photosensitizer and a HIF-1α inhibitor to surmount the Achilles' heel of PDT for enhanced antitumor efficacy. Specifically, the nanomedicine (designated as CYC-1) is prepared by the self-assembly of chlorine e6 (Ce6) and 3-(5'-hydroxy-methyl-2'-furyl)-1-benzylindazole (YC-1) through π-π stacking and hydrophobic interactions. Of special note, carrier-free CYC-1 holds an extremely high drug loading rate and avoids excipient-triggered adverse reactions. Intravenously administered CYC-1 prefers to accumulate in the tumor tissue for effective cellular uptake. More importantly, it is verified that CYC-1 is capable of inhibiting the HIF-1α activity, thereby improving its PDT efficacy on tumor suppression. Besides, CYC-1 has the overwhelming superiority in restraining tumor proliferation over the combined administration of Ce6 and YC-1, which highlights the advantage of this self-remedied strategy in drug delivery and tumor therapy. This study sheds light on the development of self-delivery nanomedicine for efficient PDT against malignancies.
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Affiliation(s)
- Xiang Zhou
- School of Biomedical Engineering & Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou 510515, P. R. China
| | - Jia-Qi Huang
- School of Biomedical Engineering & Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou 510515, P. R. China
| | - Ling-Shan Liu
- School of Biomedical Engineering & Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou 510515, P. R. China
| | - Fu-An Deng
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, P. R. China
| | - Yi-Bin Liu
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, P. R. China
| | - Yan-Mei Li
- School of Biomedical Engineering & Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou 510515, P. R. China
| | - A-Li Chen
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, P. R. China
| | - Xi-Yong Yu
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, P. R. China
| | - Shi-Ying Li
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, P. R. China
| | - Hong Cheng
- School of Biomedical Engineering & Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou 510515, P. R. China
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29
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Yang Y, Yuan H, Yang T, Li Y, Gao C, Jiao T, Cai Y, Zhao S. The Expression Regulatory Network in the Lung Tissue of Tibetan Pigs Provides Insight Into Hypoxia-Sensitive Pathways in High-Altitude Hypoxia. Front Genet 2021; 12:691592. [PMID: 34691141 PMCID: PMC8529057 DOI: 10.3389/fgene.2021.691592] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/31/2021] [Indexed: 12/31/2022] Open
Abstract
To adapt to a low-oxygen environment, Tibetan pigs have developed a series of unique characteristics and can transport oxygen more effectively; however, the regulation of the associated processes in high-altitude animals remains elusive. We performed mRNA-seq and miRNA-seq, and we constructed coexpression regulatory networks of the lung tissues of Tibetan and Landrace pigs. HBB, AGT, COL1A2, and EPHX1 were identified as major regulators of hypoxia-induced genes that regulate blood pressure and circulation, and they were enriched in pathways related to signal transduction and angiogenesis, such as HIF-1, PI3K-Akt, mTOR, and AMPK. HBB may promote the combination of hemoglobin and oxygen as well as angiogenesis for high-altitude adaptation in Tibetan pigs. The expression of MMP2 showed a similar tendency of alveolar septum thickness among the four groups. These results indicated that MMP2 activity may lead to widening of the alveolar wall and septum, alveolar structure damage, and collapse of alveolar space with remarkable fibrosis. These findings provide a perspective on hypoxia-adaptive genes in the lungs in addition to insights into potential candidate genes in Tibetan pigs for further research in the field of high-altitude adaptation.
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Affiliation(s)
- Yanan Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Haonan Yuan
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Tianliang Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Yongqing Li
- Research on Quality Standard of Animal Husbandry, Xinjiang Academy of Animal Sciences, Xinjiang, China
| | - Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Ting Jiao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China.,College of Grassland Science, Gansu Agricultural University, Lanzhou, China
| | - Yuan Cai
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Shengguo Zhao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
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30
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Li G, Shao Y, Pan Y, Li Y, Wang Y, Wang L, Wang X, Shao K, Wang S, Liu N, Zhang J, Zhao W, Nakamura H. Total synthesis and biological evaluation of 7-hydroxyneolamellarin A as hypoxia-inducible factor-1α inhibitor for cancer therapy. Bioorg Med Chem Lett 2021; 50:128338. [PMID: 34469710 DOI: 10.1016/j.bmcl.2021.128338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 10/20/2022]
Abstract
7-Hydroxyneolamellarin A (7-OH-Neo A, 1), a natural marine product derived from sponge Dendrilla nigra, was first synthesized with 10% overall yield under the instruction of convergent synthetic strategy. We found that 7-OH-Neo A could attenuate the accumulation of hypoxia-inducible factor-1α (HIF-1α) protein and inhibit vascular epidermal growth factor (VEGF) transcriptional activity, showing well inhibitory effect on HIF-1 signaling pathway. Meantime, 7-OH-Neo A had the well anti-tumor activities, such as inhibiting tumor angiogenesis, proliferation, migration and invasion. More importantly, 7-OH-Neo A exhibited profound anti-tumor effect in mice breast cancer model by suppressing the accumulation of HIF-1α in tumor tissue. Mechanism study demonstrated that 7-OH-Neo A might target the protein with the ability of stabilizing HIF-1α in hypoxia. Due to the excellent water solubility, superior anti-tumor activity and good biocompatibility, 7-OH-Neo A shows the promising potential for being exploited as an anti-tumor agent in near future.
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Affiliation(s)
- Guangzhe Li
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Yujie Shao
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yue Pan
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yueqing Li
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yang Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Liu Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xu Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Kun Shao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Shisheng Wang
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Naixuan Liu
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Jingdong Zhang
- Medical Oncology Department of Gastrointestinal Cancer, Liaoning Cancer Hospital & Institute, Cancer Hospital of China Medical University, Shenyang 110042, China
| | - Weijie Zhao
- State Key Laboratory of Fine Chemicals, Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Hiroyuki Nakamura
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan
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31
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Ikeda H, Kakeya H. Targeting hypoxia-inducible factor 1 (HIF-1) signaling with natural products toward cancer chemotherapy. J Antibiot (Tokyo) 2021; 74:687-695. [PMID: 34331027 DOI: 10.1038/s41429-021-00451-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 05/29/2021] [Accepted: 06/04/2021] [Indexed: 02/06/2023]
Abstract
Tumor cells are often exposed to hypoxia because of the lower oxygen supply deep inside the tumor tissues. However, tumor cells survive in these severe conditions by adapting to hypoxic stress through the induction of hypoxia-inducible factor 1 (HIF-1) signaling. HIF-1 activation is responsible for the expression of numerous HIF-1 target genes, which are related to cell survival, proliferation, angiogenesis, invasion, metastasis, cancer stemness, and metabolic reprogramming. Therefore, HIF-1 is expected to be a potential pharmacological target for cancer therapy. Small molecules derived from natural products (microbial origin, plant-derived, or marine organisms) have been shown to have unique chemical structures and biological activities, including HIF-1 inhibition. Several studies identified HIF-1 inhibitors from natural products. In this review, we summarize the current HIF-1 signaling inhibitors originating from natural products with a variety of modes of action, mainly focusing on microbial metabolites.
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Affiliation(s)
- Hiroaki Ikeda
- Department of System Chemotherapy and Molecular Sciences, Division of Bioinformatics and Chemical Genomics, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Hideaki Kakeya
- Department of System Chemotherapy and Molecular Sciences, Division of Bioinformatics and Chemical Genomics, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan.
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32
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Yang Y, Gao C, Yang T, Sha Y, Cai Y, Wang X, Yang Q, Liu C, Wang B, Zhao S. Vascular characteristics and expression of hypoxia genes in Tibetan pigs' hearts. Vet Med Sci 2021; 8:177-186. [PMID: 34561963 PMCID: PMC8788992 DOI: 10.1002/vms3.639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background Tibetan pigs have exhibited unique characteristics from low‐altitudes pigs and adapted well to the Qinghai‐Tibet Plateau. Objectives The current study was undertaken to investigate the hypoxic adaptation of heart in Tibetan pigs. Methods The hearts of Tibetan pigs and Landrace pigs raised at high or low altitudes were compared using 3D casting technology, scanning electron microscopy and real‐time quantitative PCR (qRT‐PCR). Results We found that the ratio of the major axis to the minor axis and the density of the heart were significantly higher in Tibetan pigs than in Landrace pigs (p < 0.05). Tibetan pigs had larger diameters and higher densities of arterioles than Landrace pigs (p < 0.05), and these features have a similar variation with the expression of vascular endothelial growth factor (VEGF). The cardiac expression levels of hypoxia‐inducible factor‐1α (HIF‐1α) and endothelial nitric oxide synthase (eNOS) were significantly higher in pigs reared at high altitudes than in those reared at low altitudes (p < 0.05). In contrast, Egl nine homolog 1 (EGLN1) had the opposite trend with respect to HIF‐1α and eNOS and was related to red blood cell (RBC) counts. Notably, the expressions of erythropoietin (EPO) and endothelial PAS domain‐containing protein 1 (EPAS1) were significantly higher in Landrace pigs kept at high altitudes than in the others (p < 0.05) and were associated with haemoglobin. Conclusions These findings show that the regulation of the heart function of Tibetan pigs in a hypoxic environment is manifested at various levels to ensure the circulation of blood under extreme environmental conditions.
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Affiliation(s)
- Yanan Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, P.R. China
| | - Tianliang Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Yuzhu Sha
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Yuan Cai
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Xinrong Wang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Qiaoli Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Chengze Liu
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Biao Wang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Shengguo Zhao
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
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33
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Wang L, Han H, Wang Z, Shi L, Yang M, Qin Y. Targeting the Microenvironment in Esophageal Cancer. Front Cell Dev Biol 2021; 9:684966. [PMID: 34513829 PMCID: PMC8427432 DOI: 10.3389/fcell.2021.684966] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 07/27/2021] [Indexed: 12/12/2022] Open
Abstract
Esophageal cancer (EC) is the eighth most common type of cancer and the sixth leading cause of cancer-related deaths worldwide. At present, the clinical treatment for EC is based mainly on radical surgery, chemotherapy, and radiotherapy. However, due to the limited efficacy of conventional treatments and the serious adverse reactions, the outcome is still unsatisfactory (the 5-year survival rate for patients is less than 25%). Thus, it is extremely important and urgent to identify new therapeutic targets. The concept of tumor microenvironment (TME) has attracted increased attention since it was proposed. Recent studies have shown that TME is an important therapeutic target for EC. Microenvironment-targeting therapies such as immunotherapy and antiangiogenic therapy have played an indispensable role in prolonging survival and improving the prognosis of patients with EC. In addition, many new drugs and therapies that have been developed to target microenvironment may become treatment options in the future. We summarize the microenvironment of EC and the latest advances in microenvironment-targeting therapies in this review.
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Affiliation(s)
- Lei Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Huiqiong Han
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Zehua Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Litong Shi
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Mei Yang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Yanru Qin
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
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34
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Wang S, Wang X, Shao Y, Shao K, Wang Y, Guo X, Dong H, Zhao W, Li Y, Li G. Synthesis and evaluation of 3-(phenylethynyl)-1,1'-biphenyl-2-carboxylate derivatives as new HIF-1 inhibitors. Bioorg Chem 2021; 116:105298. [PMID: 34454298 DOI: 10.1016/j.bioorg.2021.105298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/20/2021] [Accepted: 08/17/2021] [Indexed: 10/20/2022]
Abstract
Selaginellins are a type of rare natural products from the genus Selaginella with unusual alkynyl phenol skeletons and extensive biological activities. Previous structural simplification of these natural compounds afforded a series of diaryl acetylene derivatives with hypoxia-inducible factor 1 (HIF-1) inhibitory activity. In this study, we synthesized thirty compounds by stepwise optimization using methyl 3-(4-methoxylphenyl ethynyl)-[4'-methoxyl-1,1'-biphenyl]-2-carboxylate (1a) as a lead compound and evaluated their HIF-1 inhibitory activity by dual luciferase reporter assay. Among them, compound 9i displayed the most potent HIF-1 inhibitory activity (IC50 = 1.5 ± 0.03 μM) with relatively low cytotoxicity. Under hypoxia, compound 9i showed no effect on the accumulation of HIF-1α protein in western blot analysis, but could down-regulate the expression of VEGF mRNA, the downstream target gene of HIF-1 pathway. Cell-based activity assay demonstrated that compound 9i could inhibit the hypoxia-induced migration, invasion and proliferation of HeLa cells at the concentrations of 1 ~ 5 μM. In mouse breast cancer xenograft model, compound 9i exhibited obvious tumor growth inhibition and very low toxicity at a dose of 15 mg/kg. The results suggested that compound 9i would be a potential antitumor agent via HIF-1 pathway inhibition.
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Affiliation(s)
- Shisheng Wang
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xu Wang
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yujie Shao
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Kun Shao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yang Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xiuhan Guo
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Hongxu Dong
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Weijie Zhao
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yueqing Li
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Guangzhe Li
- Department of Pharmaceutical Sciences, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China.
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35
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Prados ME, Correa-Sáez A, Unciti-Broceta JD, Garrido-Rodríguez M, Jimenez-Jimenez C, Mazzone M, Minassi A, Appendino G, Calzado MA, Muñoz E. Betulinic Acid Hydroxamate is Neuroprotective and Induces Protein Phosphatase 2A-Dependent HIF-1α Stabilization and Post-transcriptional Dephosphorylation of Prolyl Hydrolase 2. Neurotherapeutics 2021; 18:1849-1861. [PMID: 34339019 PMCID: PMC8608974 DOI: 10.1007/s13311-021-01089-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2021] [Indexed: 02/04/2023] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disorder characterized by unwanted choreatic movements, behavioral and psychiatric disturbances, and dementia. The activation of the hypoxic response pathway through the pharmacological inhibition of hypoxia-inducing factor (HIF) prolyl-hydroxylases (PHDs) is a promising approach for neurodegenerative diseases, including HD. Herein, we have studied the mechanism of action of the compound Betulinic acid hydroxamate (BAH), a hypoximimetic derivative of betulinic acid, and its efficacy against striatal neurodegeneration using complementary approaches. Firstly, we showed the molecular mechanisms through which BAH modifies the activity of the PHD2 prolyl hydroxylase, thus directly affecting HIF-1α stability. BAH treatment reduces PHD2 phosphorylation on Ser-125 residue, responsible for the control of its hydrolase activity. HIF activation by BAH is inhibited by okadaic acid and LB-100 indicating that a protein phosphatase 2A (PP2A) is implicated in the mechanism of action of BAH. Furthermore, in striatal cells bearing a mutated form of the huntingtin protein, BAH stabilized HIF-1α protein, induced Vegf and Bnip3 gene expression and protected against mitochondrial toxin-induced cytotoxicity. Pharmacokinetic analyses showed that BAH has a good brain penetrability and experiments performed in a mouse model of striatal neurodegeneration induced by 3-nitropropionic acid showed that BAH improved the clinical symptoms. In addition, BAH also prevented neuronal loss, decreased reactive astrogliosis and microglial activation, inhibited the upregulation of proinflammatory markers, and improved antioxidant defenses in the brain. Taken together, our results show BAH's ability to activate the PP2A/PHD2/HIF pathway, which may have important implications in the treatment of HD and perhaps other neurodegenerative diseases.
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Affiliation(s)
| | - Alejandro Correa-Sáez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Cordoba, Spain
- Department of Cellular Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
- Hospital Universitario Hospital Reina Sofia, Cordoba, Spain
| | | | - Martín Garrido-Rodríguez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Cordoba, Spain
- Department of Cellular Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
- Hospital Universitario Hospital Reina Sofia, Cordoba, Spain
| | - Carla Jimenez-Jimenez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Cordoba, Spain
- Department of Cellular Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
- Hospital Universitario Hospital Reina Sofia, Cordoba, Spain
| | - Massimiliano Mazzone
- Laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB-KULeuven, 3000, Leuven, Belgium
| | - Alberto Minassi
- Department of Drug Science, University of Piemonte Orientale, Novara, Italy
| | - Giovanni Appendino
- Department of Drug Science, University of Piemonte Orientale, Novara, Italy
| | - Marco A Calzado
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Cordoba, Spain.
- Department of Cellular Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain.
- Hospital Universitario Hospital Reina Sofia, Cordoba, Spain.
| | - Eduardo Muñoz
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Cordoba, Spain.
- Department of Cellular Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain.
- Hospital Universitario Hospital Reina Sofia, Cordoba, Spain.
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36
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Yan L, Wang P, Zhao C, Fan S, Lin H, Guo Y, Ma Z, Qiu L. Toxic responses of liver in Lateolabrax maculatus during hypoxia and re-oxygenation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 236:105841. [PMID: 34022694 DOI: 10.1016/j.aquatox.2021.105841] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 04/05/2021] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
Estuarine environmental have been reported to undergo significant fluctuations in oxygen concentrations with hypoxic conditions and subsequent re-oxygenation events being of significant concern for resident fish populations. In this study we assessed the toxicological effects of hypoxia and re-oxygenation on the liver of hypoxia-sensitive spotted sea bass (Lateolabrax maculatus) that were exposed to hypoxia (1.17 mg/L dissolved oxygen) for 12 h and then re-oxygenated for 12 h. The activities of glutamic-pyruvic transaminase and glutamic-oxalacetic transaminase in serum significantly increased under hypoxia (p < 0.05) and continued to increase during re-oxygenation (p < 0.05), indicating that normal liver function might be disrupted by hypoxia and might become worse during re-oxygenation for 12h. Total protein, albumin, and globulin levels in serum decreased under hypoxia but began to return to normal during re-oxygenation, showing that protein synthesis in the liver decreased during hypoxia but could be restored by re-oxygenation. We also used RNA-Seq technology to identify changes in gene expression in the liver during hypoxia and re-oxygenation. Transcriptome sequencing revealed that the hypoxia-inducible factor (HIF-1) signaling pathway, apoptosis, and purine metabolism transcripts were significantly enriched under hypoxia and re-oxygenation conditions. A total of 15 and 16 apoptosis-related genes were induced by hypoxia and re-oxygenation stress, respectively. The apoptosis index increased from the normal to the hypoxic condition and was highest under re-oxygenation. Additionally, 19 and 29 genes, that are involved in purine metabolism in the liver of L. maculatus during hypoxia and re-oxygenation, respectively, were dysregulated. Unexpectedly, the serum uric acid level significantly increased during hypoxia and significantly decreased under re-oxygenation, indicating the presence of purine metabolic disorder in the liver of L. maculatus. These results illustrate that hypoxia poses a pronounced threat to hepatocyte function in L. maculatus and that liver damage is difficult to reverse with 12 h of re-oxygenation, and it may actually become worse when re-oxygenation is established.
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Affiliation(s)
- Lulu Yan
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China
| | - Pengfei Wang
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China
| | - Chao Zhao
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China
| | - Sigang Fan
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China
| | - Heizhao Lin
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China; Shenzhen Base of South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shenzhen, 518000, PR China
| | - Yihui Guo
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China
| | - Zhenhua Ma
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China; Sanya Tropical Fisheries Research Institute, Sanya 572018, P.R. China
| | - Lihua Qiu
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510220, PR China; Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, Guangzhou, 510000, P.R. China.
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37
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Yang Y, Gao C, Yang T, Sha Y, Cai Y, Wang X, Yang Q, Liu C, Wang B, Zhao S. Characteristics of Tibetan pig lung tissue in response to a hypoxic environment on the Qinghai-Tibet Plateau. Arch Anim Breed 2021; 64:283-292. [PMID: 34235247 PMCID: PMC8253108 DOI: 10.5194/aab-64-283-2021] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/18/2021] [Indexed: 01/04/2023] Open
Abstract
To adapt to the plateau environment, Tibetan pigs' lungs have developed a
unique physiological mechanism during evolution. The vascular corrosion
casting technique and scanning electron microscopy were used to understand
arterial architecture. Blood physiological index and quantitative real-time PCR (qRT-PCR) were used
for
assessing whether the lung can regulate the body through anatomical, physiological
and molecular mechanisms to adapt to hypoxic environments. Our study showed
that the lungs of Tibetan pigs were heavier and wider and that the pulmonary
arteries were thicker and branched and had a denser vascular network than
those of Landrace pigs. The hemoglobin (HGB), mean corpuscular hemoglobin
concentration (MCHC) values of high-altitude pigs were significantly higher
than those of low-altitude pigs. The expression levels of HIF-
1α
,
EPAS1, EPO and VEGF, but not those of
eNOSand EGLN1, were significantly higher in the lungs of
high-altitude pigs than in those from pigs at a lower altitude (
P<0.05
). These findings and a comprehensive analysis help elucidate the
pulmonary mechanism of hypoxic adaptation in pigs.
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Affiliation(s)
- Yanan Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Tianliang Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Yuzhu Sha
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Yuan Cai
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Xinrong Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Qiaoli Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Chengze Liu
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Biao Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Shengguo Zhao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
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38
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Coregulation Analysis of Mechanistic Biomarkers in Autosomal Dominant Polycystic Kidney Disease. Int J Mol Sci 2021; 22:ijms22136885. [PMID: 34206927 PMCID: PMC8269435 DOI: 10.3390/ijms22136885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/18/2021] [Accepted: 06/22/2021] [Indexed: 12/15/2022] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disorder leading to deterioration of kidney function and end stage kidney disease (ESKD). A number of molecular processes are dysregulated in ADPKD but the exact mechanism of disease progression is not fully understood. We measured protein biomarkers being linked to ADPKD-associated molecular processes via ELISA in urine and serum in a cohort of ADPKD patients as well as age, gender and eGFR matched CKD patients and healthy controls. ANOVA and t-tests were used to determine differences between cohorts. Spearman correlation coefficient analysis was performed to assess coregulation patterns of individual biomarkers and renal function. Urinary epidermal growth factor (EGF) and serum apelin (APLN) levels were significantly downregulated in ADPKD patients. Serum vascular endothelial growth factor alpha (VEGFA) and urinary angiotensinogen (AGT) were significantly upregulated in ADPKD patients as compared with healthy controls. Arginine vasopressin (AVP) was significantly upregulated in ADPKD patients as compared with CKD patients. Serum VEGFA and VIM concentrations were positively correlated and urinary EGF levels were negatively correlated with urinary AGT levels. Urinary EGF and AGT levels were furthermore significantly associated with estimated glomerular filtration rate (eGFR) in ADPKD patients. In summary, altered protein concentrations in body fluids of ADPKD patients were found for the mechanistic markers EGF, APLN, VEGFA, AGT, AVP, and VIM. In particular, the connection between EGF and AGT during progression of ADPKD warrants further investigation.
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39
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Ma Z, Wang LZ, Cheng JT, Lam WST, Ma X, Xiang X, Wong ALA, Goh BC, Gong Q, Sethi G, Wang L. Targeting Hypoxia-Inducible Factor-1-Mediated Metastasis for Cancer Therapy. Antioxid Redox Signal 2021; 34:1484-1497. [PMID: 33198508 DOI: 10.1089/ars.2019.7935] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Significance: Hypoxia is emerging as a crucial regulator of the tumor microenvironment; it governs the metastatic potential of multiple primary cancers. It is also potentially involved in the regulation of tumorigenesis, tumor metabolism, and proangiogenic activity. Recent Advances: A wealth of clinical data across a wide range of cancer types has revealed strong correlations between hypoxia or the overexpression of hypoxia-inducible transcription factors and the rates of distant metastases and poor prognoses. Hypoxia-inducible factor (HIF)-1α, one of the key regulatory molecules of the HIF-1 signaling pathways, is involved in multiple crucial steps in the metastatic cascade. Critical Issues: Here, we present recent findings on the roles of the HIF-1 complex in tumor metastasis and highlight the potential of HIF-1α as a target for abrogating tumor metastasis. Moreover, we systematically describe the regulatory role of HIF-1 at each step of the metastatic cascade. Finally, we present the most recent advances in potential pharmacological interventions and the development of specific HIF-1 inhibitors for blocking tumor metastasis. Future Directions: Well-designed clinical trials are urgently needed to validate the anti-metastatic activity of HIF-1 inhibitors discovered in preclinical models. Antioxid. Redox Signal. 34, 1484-1497.
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Affiliation(s)
- Zhaowu Ma
- Department of Immunology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China.,The First School of Clinical Medicine, Health Science Center, Yangtze University, Nanhuan Road, Jingzhou, China
| | - Louis Zizhao Wang
- SingHealth Internal Medicine Residency Programme, Singapore General Hospital, Singapore, Singapore
| | - Jun-Ting Cheng
- Department of Immunology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China.,The First School of Clinical Medicine, Health Science Center, Yangtze University, Nanhuan Road, Jingzhou, China
| | - Walter Sze Tung Lam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Xiang Ma
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoqiang Xiang
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University, Shanghai, P.R. China
| | - Andrea Li-Ann Wong
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.,Department of Haematology-Oncology, National University Cancer Institute, Singapore, Singapore
| | - Boon Cher Goh
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.,Department of Haematology-Oncology, National University Cancer Institute, Singapore, Singapore
| | - Quan Gong
- Department of Immunology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China.,The First School of Clinical Medicine, Health Science Center, Yangtze University, Nanhuan Road, Jingzhou, China
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Lingzhi Wang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
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40
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Rehman Z, Jabeen I, Fahim A, Bhatti A, John P. Molecular docking and pharmacophore models to probe binding hypothesis of inhibitors of hypoxia inducible factor-1. J Biomol Struct Dyn 2021; 40:7714-7725. [PMID: 33896358 DOI: 10.1080/07391102.2021.1914167] [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: 10/21/2022]
Abstract
Hypoxia inducible factor-1 is a heterodimeric transcription factor that regulates cellular responses to hypoxia and is involved in tumor progression and resistance to chemotherapy. Dimerization between HIF-1α and β subunits has been recognized crucial for DNA binding and transcriptional activity of HIF-1. Therefore, inhibitors of α and β dimerization subunits of HIF-1 may potentially evade HIF-1-mediated chemotherapy resistance. In the current study, ligand-based pharmacophore model was developed to determine 3 D binding features of HIF-1 inhibitors. The selected pharmacophore model comprises of one hydrogen bond donor, one hydrogen bond acceptor and one hydrophobic feature. The selected model was used for virtual screening of publically available data base by ChemBridge Corporation. Overall, six potential hits against HIF-1α and β dimerization have been identified. These include, Hit 1 (4-(4-chlorophenyl)-2,6-dimethyl-3,5-pyridinedicarboxylic acid), 3 (2-[2-(2-hydroxybenzoyl)carbonohydrazonoyl]benzoic acid) and 5 (3-(4-methoxyphenyl)-2,4-quinolinedicarboxylic acid) nicotonic acid derivatives, Hit 2 (3-[(1-adamantylamino)sulfonyl]benzoic acid), 4 (5-{[(2-fluorophenyl)amino]sulfonyl}-2-methylbenzoic acid), and 6 (4-({[2-(trifluoromethyl)phenyl]sulfonyl}amino)benzoic acid) sulfonamide derivatives. Additionally, adamantyl moiety of compound 2 shows interactions with the experimentally known hydrophobic amino acid residues (V336, C334, E245) of HIF-1α and β dimerization site. The identified hits showed lower to higher µM biological activity (IC50) values and thus, after further structure optimization may serve as potential inhibitor of HIF-1 dimerization in cancer chemotherapy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Zaira Rehman
- Atta ur Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Ishrat Jabeen
- Research Centre for Modeling and Simulation, National University of Sciences and Technology, Islamabad, Pakistan
| | - Ammad Fahim
- Department of Multidisciplinary Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Attya Bhatti
- Atta ur Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Peter John
- Atta ur Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
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41
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Li Y, Wang C, Zhou L, Wei S. A 2-pyridone modified zinc phthalocyanine with three-in-one multiple functions for photodynamic therapy. Chem Commun (Camb) 2021; 57:3127-3130. [PMID: 33630986 DOI: 10.1039/d1cc00645b] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A 2-pyridone modified zinc phthalocyanine (denoted ZnPc-PYR) achieves a one stone for three birds outcome in the photodynamic therapy (PDT) treatment of cancer. ZnPc-PYR can be excited by both 665 and 808 nm light to treat superficial and deep tumors, store and slowly release singlet oxygen (1O2) to improve its utilization and downregulate the HIF-1 (hypoxia-inducible factor 1) expression level to enhance the tumor cell's sensitivity to PDT treatment under hypoxic conditions.
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Affiliation(s)
- Yanqing Li
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
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42
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Nada H, Elkamhawy A, Lee K. Structure Activity Relationship of Key Heterocyclic Anti-Angiogenic Leads of Promising Potential in the Fight against Cancer. Molecules 2021; 26:molecules26030553. [PMID: 33494492 PMCID: PMC7865909 DOI: 10.3390/molecules26030553] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/11/2022] Open
Abstract
Pathological angiogenesis is a hallmark of cancer; accordingly, a number of anticancer FDA-approved drugs act by inhibiting angiogenesis via different mechanisms. However, the development process of the most potent anti-angiogenics has met various hurdles including redundancy, multiplicity, and development of compensatory mechanisms by which blood vessels are remodeled. Moreover, identification of broad-spectrum anti-angiogenesis targets is proved to be required to enhance the efficacy of the anti-angiogenesis drugs. In this perspective, a proper understanding of the structure activity relationship (SAR) of the recent anti-angiogenics is required. Various anti-angiogenic classes have been developed over the years; among them, the heterocyclic organic compounds come to the fore as the most promising, with several drugs approved by the FDA. In this review, we discuss the structure–activity relationship of some promising potent heterocyclic anti-angiogenic leads. For each lead, a molecular modelling was also carried out in order to correlate its SAR and specificity to the active site. Furthermore, an in silico pharmacokinetics study for some representative leads was presented. Summarizing, new insights for further improvement for each lead have been reviewed.
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Affiliation(s)
- Hossam Nada
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea
| | - Ahmed Elkamhawy
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Kyeong Lee
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea
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43
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Wang B, Zhao Q, Zhang Y, Liu Z, Zheng Z, Liu S, Meng L, Xin Y, Jiang X. Targeting hypoxia in the tumor microenvironment: a potential strategy to improve cancer immunotherapy. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:24. [PMID: 33422072 PMCID: PMC7796640 DOI: 10.1186/s13046-020-01820-7] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 12/20/2020] [Indexed: 12/14/2022]
Abstract
With the success of immune checkpoint inhibitors (ICIs), significant progress has been made in the field of cancer immunotherapy. Despite the long-lasting outcomes in responders, the majority of patients with cancer still do not benefit from this revolutionary therapy. Increasing evidence suggests that one of the major barriers limiting the efficacy of immunotherapy seems to coalesce with the hypoxic tumor microenvironment (TME), which is an intrinsic property of all solid tumors. In addition to its impact on shaping tumor invasion and metastasis, the hypoxic TME plays an essential role in inducing immune suppression and resistance though fostering diverse changes in stromal cell biology. Therefore, targeting hypoxia may provide a means to enhance the efficacy of immunotherapy. In this review, the potential impact of hypoxia within the TME, in terms of key immune cell populations, and the contribution to immune suppression are discussed. In addition, we outline how hypoxia can be manipulated to tailor the immune response and provide a promising combinational therapeutic strategy to improve immunotherapy.
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Affiliation(s)
- Bin Wang
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Qin Zhao
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Yuyu Zhang
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Zijing Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Zhuangzhuang Zheng
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Shiyu Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China.,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China.,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL, 33612, USA
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, 126 Xinmin Street, Changchun, 130021, China.
| | - Xin Jiang
- Department of Radiation Oncology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, China. .,Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, 130021, China. .,NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, 130021, China.
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Peng J, Liu F, Zheng H, Wu Q, Liu S. IncRNA ZFAS1 contributes to the radioresistance of nasopharyngeal carcinoma cells by sponging hsa-miR-7-5p to upregulate ENO2. Cell Cycle 2020; 20:126-141. [PMID: 33342344 DOI: 10.1080/15384101.2020.1864128] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Previous research revealed that lncRNA ZFAS1 could promote nasopharyngeal carcinoma (NPC) by inhibiting its downstream target axis. However, the association between ZFAS1 and radioresistant NPC cells is unclear. This study aimed to explore the roles of ZFAS1 in the radioresistance of NPC. Bioinformatics analysis was conducted to identify the significant factors (ENO2 and miR-7-5p) that contributed to the radioresistance of NPC cells. After performing qRT-PCR analysis, we found that the expression of ZFAS1 and ENO2 was upregulated in NPC cells but that the miR-7-5p expression was downregulated in the same samples. Apart from that, we noticed that ZFAS1 inhibition enhanced the sensitivity of NPC cells to radiation therapy by repressing cell proliferation and promoting cell apoptosis. Subsequently, we found that ZFAS1 could sponge miR-7-5p to upregulate ENO2, which was the target of miR-7-5p. Experimental results also indicated that the suppression of miR-7-5p inhibited the sensitivity of NPC cells to radiation therapy, thereby suppressing ENO2 expression. Overall, our findings suggested that ZFAS1 contributed to the radioresistance of NPC cells by regulating the miR-7-5p/ENO2 axis and that ZFAS1 might be a potential therapeutic target for addressing the radioresistance of NPC cells.
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Affiliation(s)
- Jiaojiao Peng
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University , Sichuan, China
| | - Feng Liu
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University , Sichuan, China
| | - Hong Zheng
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University , Sichuan, China
| | - Qi Wu
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University , Sichuan, China
| | - Shixi Liu
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University , Sichuan, China
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45
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Guruswamy DKM, Balaji KDS, Dharmappa KK, Jayarama S. Novel 3-(3, 5-difluoro-4-hydroxyphenyl)-1-(naphthalen-2-yl) prop-2-en-1-one as a potent inhibitor of MAP-kinase in HeLa cell lines and anti-angiogenic activity is mediated by HIF-1α in EAC animal model. Oncotarget 2020; 11:4661-4676. [PMID: 33400732 PMCID: PMC7747862 DOI: 10.18632/oncotarget.27836] [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: 08/25/2020] [Accepted: 11/12/2020] [Indexed: 01/05/2023] Open
Abstract
In the present investigation, we synthesized chalcone bearing naphthalene compound d1, and on the basis of 1H-NMR, 13C NMR, and LC-MS data we had specified the structure of the synthesized compound. The resultant compound d1 was assessed for their antiproliferative action against human cancer cell lines (HeLa, HCT116, HT29, MDA-MB-231, MCF-7, and SKBR3). The IC50 range was estimated at 5.58 to 11.13 μM shows that compound d1 had remarkable anticancer activity on HeLa cell lines. Besides, it was discovered that d1 incited the mitochondrial apoptotic pathway by controlling Bax and Bcl-2 transcripts by expanding the Caspase 3 activation. We depicted the in-vivo effects of tumor advancement and the antiangiogenic activity of d1 in the EAC animal model. Tumor growth had inhibited and without symptoms the longevity of EAC containing mice expanded by the treatment of d1. Inhibition of nuclear transcriptional factor HIF-1α in EAC cells and finally it also inhibited phosphorylation of downstream signaling proteins such as ERK1/2, p38, and JNK in HeLa cells. The present investigation uncovered that d1 indicated noteworthy tumor-repressing abilities much less concentration in in-vitro and in-vivo recommended that compound d1 as the potent anticancer medication.
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Affiliation(s)
- Dileep Kumar M Guruswamy
- Department of Biotechnology, Teresian College, Siddhartha Nagara Mysore-570011, Karnataka, India
| | | | | | - Shankar Jayarama
- Department of Food Technology, Davanagere University, Karnataka-577002, India
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Belisario DC, Kopecka J, Pasino M, Akman M, De Smaele E, Donadelli M, Riganti C. Hypoxia Dictates Metabolic Rewiring of Tumors: Implications for Chemoresistance. Cells 2020; 9:cells9122598. [PMID: 33291643 PMCID: PMC7761956 DOI: 10.3390/cells9122598] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023] Open
Abstract
Hypoxia is a condition commonly observed in the core of solid tumors. The hypoxia-inducible factors (HIF) act as hypoxia sensors that orchestrate a coordinated response increasing the pro-survival and pro-invasive phenotype of cancer cells, and determine a broad metabolic rewiring. These events favor tumor progression and chemoresistance. The increase in glucose and amino acid uptake, glycolytic flux, and lactate production; the alterations in glutamine metabolism, tricarboxylic acid cycle, and oxidative phosphorylation; the high levels of mitochondrial reactive oxygen species; the modulation of both fatty acid synthesis and oxidation are hallmarks of the metabolic rewiring induced by hypoxia. This review discusses how metabolic-dependent factors (e.g., increased acidification of tumor microenvironment coupled with intracellular alkalinization, and reduced mitochondrial metabolism), and metabolic-independent factors (e.g., increased expression of drug efflux transporters, stemness maintenance, and epithelial-mesenchymal transition) cooperate in determining chemoresistance in hypoxia. Specific metabolic modifiers, however, can reverse the metabolic phenotype of hypoxic tumor areas that are more chemoresistant into the phenotype typical of chemosensitive cells. We propose these metabolic modifiers, able to reverse the hypoxia-induced metabolic rewiring, as potential chemosensitizer agents against hypoxic and refractory tumor cells.
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Affiliation(s)
- Dimas Carolina Belisario
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (J.K.); (M.P.); (M.A.)
| | - Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (J.K.); (M.P.); (M.A.)
| | - Martina Pasino
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (J.K.); (M.P.); (M.A.)
| | - Muhlis Akman
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (J.K.); (M.P.); (M.A.)
| | - Enrico De Smaele
- Department of Experimental Medicine, Sapienza University of Roma, 00185 Roma, Italy;
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy;
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126 Torino, Italy; (D.C.B.); (J.K.); (M.P.); (M.A.)
- Correspondence: ; Tel.: +39-011-670-5857
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Wu W, Hu Z, Zhao Q, Zhang X, Zhang H, Wang H, Xue W, Yu L, Duan G. Down-Regulation of Hypoxia-Inducible Factor-1α and Downstream Glucose Transporter Protein-1 Gene by β-elemene Enhancing the Radiosensitivity of Lung Adenocarcinoma Transplanted Tumor. Onco Targets Ther 2020; 13:11627-11635. [PMID: 33223837 PMCID: PMC7671467 DOI: 10.2147/ott.s275956] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/29/2020] [Indexed: 12/26/2022] Open
Abstract
Purpose To study the effect of β-elemene on the radiosensitivity of A549 cell xenograft tumor and potential mechanisms by which β-elemene regulates the expression of hypoxia-inducible factor-1α (HIF-1α) and glucose transporter protein-1 (GLUT-1). Methods Using an A549 cell transplantation tumor model with male nude mice, we studied the effect of β-elemene on the radiosensitivity of non-small cell lung cancer (NSCLC). The expression of HIF-1α and GLUT-1 was detected by real-time PCR, Western blotting and immunohistochemistry. The relationship between the radiosensitivity of β-elemene and the expression of HIF-1α and GLUT-1 was analyzed. Results β-elemene and radiotherapy intervened in the growth of transplanted tumors in varying degrees. The enhancement factor (EF=2.44>1) was calculated; β-elemene at 45 mg/kg had the most significant enhanced effect on radiosensitivity. When β-elemene was used in combination with radiation, the expression of HIF-1α and GLUT-1 was significantly decreased, and there was a positive correlation between the two genes. Conclusion β-elemene exhibits a radiosensitizing effect on A549 cell xenograft tumor. The underlying molecular mechanism is probably associated with the down-regulation of HIF-1α and GLUT-1 expression, suggesting that β-elemene may directly or indirectly inhibit the expression of HIF-1α and GLUT-1. There is a positive significant correlation between expression of HIF-1α and GLUT-1. HIF-1α and downstream GLUT-1 could be used as a new target for the radiosensitization of NSCLC.
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Affiliation(s)
- Wenbo Wu
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China.,Graduate School of Hebei North University, Zhangjiakou, People's Republic of China
| | - Zhonghui Hu
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China.,Graduate School of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Qingtao Zhao
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Xiaopeng Zhang
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Hua Zhang
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Huien Wang
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Wenfei Xue
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Lei Yu
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, People's Republic of China
| | - Guochen Duan
- Department of Thoracic Surgery, Hebei Children's Hospital, Shijiazhuang, People's Republic of China
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Zhou H, Fu LX, Li L, Chen YY, Zhu HQ, Zhou JL, Lv MX, Gan RZ, Zhang XX, Liang G. The epigallocatechin gallate derivative Y6 reduces the cardiotoxicity and enhances the efficacy of daunorubicin against human hepatocellular carcinoma by inhibiting carbonyl reductase 1 expression. JOURNAL OF ETHNOPHARMACOLOGY 2020; 261:113118. [PMID: 32621953 DOI: 10.1016/j.jep.2020.113118] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/04/2020] [Accepted: 06/13/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Green tea is the most ancient and popular beverage worldwide and its main constituent epigallocatechin-3-gallate (EGCG) has a potential role in the management of cancer through the modulation of cell signaling pathways. However, EGCG is frangible to oxidation and exhibits low lipid solubility and bioavailability, and we synthesized a derivative of EGCG in an attempt to overcome these limitations. AIM OF THE STUDY The anthracycline antibiotic daunorubicin (DNR) is a potent anticancer agent. However, its severe cardiotoxic limits its clinical efficacy. Human carbonyl reductase 1 (CBR1) is one of the most effective human reductases for producing hydroxyl metabolites and thus may be involved in increasing the cardiotoxicity and decreasing the antineoplastic effect of anthracycline antibiotics. Accordingly, in this study, we investigated the co-therapeutic effect of Y6, a novel and potent adjuvant obtained by optimization of the structure of EGCG. MATERIAL AND METHODS The cellular concentrations of DNR and its metabolite DNRol were measured by HPLC to determine the effects of EGCG and Y6 on the inhibition of DNRol formation. The cytotoxic effects of EGCG and Y6 were tested by MTT assay in order to identify non-toxic concentrations of them. To understand their antitumor and cardioprotective mechanisms, hypoxia-inducible factor-1α (HIF-1α) and CBR1 protein expression was measured via Western blotting and immunohistochemical staining while gene expression was analyzed using RT-PCR. Moreover, PI3K/AKT and MEK/ERK signaling pathways were analyzed via Western blotting. HepG2 xenograft model was used to detect the effects of EGCG and Y6 on the antitumor activity and cardiotoxicity of DNR in vivo. Finally, to obtain further insight into the interactions of Y6 and EGCG with HIF-1α and CBR1, we performed a molecular modeling. RESULTS Y6(10 μg/ml or 55 mg/kg) decreased the expression of HIF-1α and CBR1 at both the mRNA and protein levels during combined drug therapy in vitro as well as in vivo, thereby inhibiting formation of the metabolite DNRol from DNR, with the mechanisms being related to PI3K/AKT and MEK/ERK signaling inhibition. In a human carcinoma xenograft model established with subcutaneous HepG2 cells, Y6(55 mg/kg) enhanced the antitumor effect and reduced the cardiotoxicity of DNR more effectively than EGCG(40 mg/kg). CONCLUSIONS Y6 has the ability to inhibit CBR1 expression through the coordinate inhibition of PI3K/AKT and MEK/ERK signaling, then synergistically enhances the antitumor effect and reduces the cardiotoxicity of DNR.
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MESH Headings
- Alcohol Oxidoreductases/antagonists & inhibitors
- Alcohol Oxidoreductases/genetics
- Alcohol Oxidoreductases/metabolism
- Animals
- Antibiotics, Antineoplastic/pharmacology
- Antibiotics, Antineoplastic/toxicity
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/toxicity
- Arrhythmias, Cardiac/chemically induced
- Arrhythmias, Cardiac/physiopathology
- Arrhythmias, Cardiac/prevention & control
- Carcinoma, Hepatocellular/drug therapy
- Carcinoma, Hepatocellular/enzymology
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/pathology
- Cardiotoxicity
- Catechin/analogs & derivatives
- Catechin/pharmacology
- Cell Proliferation/drug effects
- Daunorubicin/pharmacology
- Daunorubicin/toxicity
- Drug Synergism
- Enzyme Inhibitors/pharmacology
- Female
- Gene Expression Regulation, Neoplastic
- Heart Rate/drug effects
- Hep G2 Cells
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Liver Neoplasms/drug therapy
- Liver Neoplasms/enzymology
- Liver Neoplasms/genetics
- Liver Neoplasms/pathology
- Male
- Mice, Inbred BALB C
- Mice, Nude
- Signal Transduction
- Tumor Burden/drug effects
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Huan Zhou
- Department of Pharmacy, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, China; Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Li-Xiang Fu
- Department of Pharmacy, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, China
| | - Li Li
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Yan-Yan Chen
- Department of Pharmacy, The Second People's Hospital of Qinzhou, Qinzhou, China
| | - Hong-Qing Zhu
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Jin-Ling Zhou
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Mei-Xian Lv
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Ri-Zhi Gan
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Xuan-Xuan Zhang
- Pharmaceutical College, Guangxi Medical University, Nanning, China
| | - Gang Liang
- Pharmaceutical College, Guangxi Medical University, Nanning, China.
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Kling L, Schreiber A, Eckardt KU, Kettritz R. Hypoxia-inducible factors not only regulate but also are myeloid-cell treatment targets. J Leukoc Biol 2020; 110:61-75. [PMID: 33070368 DOI: 10.1002/jlb.4ri0820-535r] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/30/2020] [Accepted: 09/30/2020] [Indexed: 12/19/2022] Open
Abstract
Hypoxia describes limited oxygen availability at the cellular level. Myeloid cells are exposed to hypoxia at various bodily sites and even contribute to hypoxia by consuming large amounts of oxygen during respiratory burst. Hypoxia-inducible factors (HIFs) are ubiquitously expressed heterodimeric transcription factors, composed of an oxygen-dependent α and a constitutive β subunit. The stability of HIF-1α and HIF-2α is regulated by oxygen-sensing prolyl-hydroxylases (PHD). HIF-1α and HIF-2α modify the innate immune response and are context dependent. We provide a historic perspective of HIF discovery, discuss the molecular components of the HIF pathway, and how HIF-dependent mechanisms modify myeloid cell functions. HIFs enable myeloid-cell adaptation to hypoxia by up-regulating anaerobic glycolysis. In addition to effects on metabolism, HIFs control chemotaxis, phagocytosis, degranulation, oxidative burst, and apoptosis. HIF-1α enables efficient infection defense by myeloid cells. HIF-2α delays inflammation resolution and decreases antitumor effects by promoting tumor-associated myeloid-cell hibernation. PHDs not only control HIF degradation, but also regulate the crosstalk between innate and adaptive immune cells thereby suppressing autoimmunity. HIF-modifying pharmacologic compounds are entering clinical practice. Current indications include renal anemia and certain cancers. Beneficial and adverse effects on myeloid cells should be considered and could possibly lead to drug repurposing for inflammatory disorders.
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Affiliation(s)
- Lovis Kling
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Adrian Schreiber
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin and Max Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Kai-Uwe Eckardt
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Ralph Kettritz
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin and Max Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
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Andrographolide attenuates choroidal neovascularization by inhibiting the HIF-1α/VEGF signaling pathway. Biochem Biophys Res Commun 2020; 530:60-66. [PMID: 32828316 DOI: 10.1016/j.bbrc.2020.06.130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 06/24/2020] [Indexed: 12/11/2022]
Abstract
Choroidal neovascularization (CNV), a characteristic of wet age-related macular degeneration (AMD), leads to severe vision loss amongst the elderly in the developed countries. Currently, the premier treatment for AMD is anti-VEGF therapy, which has limited efficacy, and is still controversial. Previous studies have showed that Andrographolide (Andro) had various biological effects, including anti-angiogenesis, anti-inflammation, and antioxidant. However, the effect of Andro on the formation of CNV has not been studied thus far. Here our results showed that Andro reduced the expression levels of HIF-1α and VEGF in the RF/6A cells chemical hypoxia model and the laser-induced CNV mouse model. Moreover, Andro inhibited the tube formation activity of RF/6A cells under hypoxic conditions. Furthermore, intraperitoneal injection of Andro reduced the severity of choroidal vascular leakage and the size of CNV in the laser-induced CNV mouse model, indicating that Andro attenuated the development of CNV by inhibiting the HIF-1α/VEGF signaling pathway. These results suggest that Andro could be a potential novel therapeutic agent for AMD.
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