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White B, Swietach P. What can we learn about acid-base transporters in cancer from studying somatic mutations in their genes? Pflugers Arch 2024; 476:673-688. [PMID: 37999800 PMCID: PMC11006749 DOI: 10.1007/s00424-023-02876-y] [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: 09/25/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023]
Abstract
Acidosis is a chemical signature of the tumour microenvironment that challenges intracellular pH homeostasis. The orchestrated activity of acid-base transporters of the solute-linked carrier (SLC) family is critical for removing the end-products of fermentative metabolism (lactate/H+) and maintaining a favourably alkaline cytoplasm. Given the critical role of pH homeostasis in enabling cellular activities, mutations in relevant SLC genes may impact the oncogenic process, emerging as negatively or positively selected, or as driver or passenger mutations. To address this, we performed a pan-cancer analysis of The Cancer Genome Atlas simple nucleotide variation data for acid/base-transporting SLCs (ABT-SLCs). Somatic mutation patterns of monocarboxylate transporters (MCTs) were consistent with their proposed essentiality in facilitating lactate/H+ efflux. Among all cancers, tumours of uterine corpus endometrial cancer carried more ABT-SLC somatic mutations than expected from median tumour mutation burden. Among these, somatic mutations in SLC4A3 had features consistent with meaningful consequences on cellular fitness. Definitive evidence for ABT-SLCs as 'cancer essential' or 'driver genes' will have to consider microenvironmental context in genomic sequencing because bulk approaches are insensitive to pH heterogeneity within tumours. Moreover, genomic analyses must be validated with phenotypic outcomes (i.e. SLC-carried flux) to appreciate the opportunities for targeting acid-base transport in cancers.
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Affiliation(s)
- Bobby White
- Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK.
| | - Pawel Swietach
- Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK
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2
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Jiang X, Huang K, Sun X, Li Y, Hua L, Liu F, Huang R, Du J, Zeng H. Hexamethylene amiloride synergizes with venetoclax to induce lysosome-dependent cell death in acute myeloid leukemia. iScience 2024; 27:108691. [PMID: 38205254 PMCID: PMC10776932 DOI: 10.1016/j.isci.2023.108691] [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] [Received: 07/11/2023] [Revised: 10/15/2023] [Accepted: 12/05/2023] [Indexed: 01/12/2024] Open
Abstract
Tumors maintain an alkaline intracellular environment to enable rapid growth. The proton exporter NHE1 participates in maintenance of this pH gradient. However, whether targeting NHE1 could inhibit the growth of tumor cells remains unknown. Here, we report that the NHE1 inhibitor Hexamethylene amiloride (HA) efficiently suppresses the growth of AML cell lines. Moreover, HA combined with venetoclax synergized to efficiently inhibit the growth of AML cells. Interestingly, lysosomes are the main contributors to the synergism of HA and venetoclax in inhibiting AML cells. Most importantly, the combination of HA and venetoclax also had prominent anti-leukemia effects in both xenograft models and bone marrow samples from AML patients. In summary, our results provide evidence that the NHE1 inhibitor HA or its combination with venetoclax efficiently inhibits the growth of AML in vitro and in vivo.
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Affiliation(s)
- Xinya Jiang
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Kexiu Huang
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Xiaofan Sun
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Yue Li
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Lei Hua
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Fangshu Liu
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Rui Huang
- Department of Hematology, Zhujiang Hospital of Southern Medical University, Guangzhou, P.R. China
| | - Juan Du
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Hui Zeng
- Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
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3
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Nandi SK, Chatterjee N, Roychowdhury T, Pradhan A, Moiz S, Manna K, Sarkar DK, Dhar P, Dutta A, Mukhopadhyay S, Bhattacharya R. Kaempferol with Verapamil impeded panoramic chemoevasion pathways in breast cancer through ROS overproduction and disruption of lysosomal biogenesis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 113:154689. [PMID: 36921428 DOI: 10.1016/j.phymed.2023.154689] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/07/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Reactive oxygen species (ROS) at low level promotes cell survival through lysosome induced autophagy induction. Glucose stress induced acidosis, hypoxia, ROS, upregulates markers related to cancer stemness and multidrug resistance. Also, lysosomal upregulation is proposed to be one of the important indicators of cell survival under ROS induced stress. Studies supported that, stimulation of Lysosome-TFEB-Ca2+ cascade has important role in induction of chemoresistance and survival of cancerous cells. PURPOSE To observe the effect of synergistic drug combination, Kaempferol and Verapamil on markers regulating chemoevasion, tumor stemness & acidosis as well as lysosome upregulation pathways, under low as well as high glucose conditions. HYPOTHESIS Based on our earlier observation as well as previous reports, we hypothesized, our drug combination Kaempferol with Verapamil could attenuate markers related to chemoevasion, tumor stemness & acidosis as well as lysosome-TFEB-Ca2+ pathway, all of which have indispensable association and role in chemoresistance. METHODS RNA and protein expression of candidate genes, along with ROS production and Ca2+ concentrations were measured in ex vivo models in altered glucose conditions upon treatment with KV. Also, computational approaches were utilized to hypothesize the mechanism of action of the drug combination. PCR, IHC, western blotting and molecular docking approaches were used in this study. RESULTS The overproduction of ROS by our candidate drugs KV, downregulated the chemoresistance and tumor acidosis markers along with ATP1B1 and resulted in lysosomal disruption with reduction of Ca2+ release, diminishing TFEB expression under low glucose condition. An anomalous outcome was observed in high glucose conditions. We also observed KV promoted the overproduction of ROS levels thereby inducing autophagy-mediated cell death through the upregulation of LC3-II and p62 in low glucose conditions. The ex vivo studies also corroborate with in silico study that exhibited the parallel outcome. CONCLUSION Our ex-vivo and in-silico studies revealed that our candidate drug combination KV, could effectively target several pathways regulating chemoresistance, that were not hitherto studied in the same experimental setup and thus may be endorsed for therapeutic purposes.
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Affiliation(s)
- Sourav Kumar Nandi
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata-700094, India
| | - Niloy Chatterjee
- Centre for Research in Nanoscience & Nanotechnology, University of Calcutta, JD 2, Sector III, Salt Lake City, Kolkata 700 098, West Bengal, India
| | - Tanaya Roychowdhury
- Cancer Biology and Inflammatory Disorder Division, Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata-700032, India
| | - Ayan Pradhan
- Department of General Surgery, Institute of Post graduate Medical Education &Research and SSKM Hospital, 244B AJC Bose Road Kolkata-700020, India
| | - Sumaiya Moiz
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata-700094, India
| | - Krishnendu Manna
- Department of Food and Nutrition, University of Kalyani, Kalyani, West Bengal, 741235, India
| | - Diptendra Kumar Sarkar
- Department of General Surgery, Institute of Post graduate Medical Education &Research and SSKM Hospital, 244B AJC Bose Road Kolkata-700020, India
| | - Pubali Dhar
- Laboratory of Food Science and Technology, Food and Nutrition division, University of Calcutta, 20B Judges Court Road. Kolkata 700027, West Bengal, India
| | - Amitava Dutta
- Department of Pathology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata-700094
| | - Soma Mukhopadhyay
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata-700094, India
| | - Rittwika Bhattacharya
- Department of Molecular Biology, Netaji Subhas Chandra Bose Cancer Research Institute, 3081 Nayabad, Kolkata-700094, India.
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4
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Xu Q, Lan X, Lin H, Xi Q, Wang M, Quan X, Yao G, Yu Z, Wang Y, Yu M. Tumor microenvironment-regulating nanomedicine design to fight multi-drug resistant tumors. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1842. [PMID: 35989568 DOI: 10.1002/wnan.1842] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/04/2022] [Accepted: 07/12/2022] [Indexed: 01/31/2023]
Abstract
The tumor microenvironment (TME) is a very cunning system that enables tumor cells to escape death post-traditional antitumor treatments through the comprehensive effect of different factors, thereby leading to drug resistance. Deep insights into TME characteristics and tumor resistance encourage the construction of nanomedicines that can remodel the TME against drug resistance. Tremendous interest in combining TME-regulation measurement with traditional tumor treatment to fight multidrug-resistant tumors has been inspired by the increasing understanding of the role of TME reconstruction in improving the antitumor efficiency of drug-resistant tumor therapy. This review focuses on the underlying relationships between specific TME characteristics (such as hypoxia, acidity, immunity, microorganisms, and metabolism) and drug resistance in tumor treatments. The exciting antitumor activities strengthened by TME regulation are also discussed in-depth, providing solutions from the perspective of nanomedicine design. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Qinqin Xu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
| | - Xinyue Lan
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China.,Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Huimin Lin
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
| | - Qiye Xi
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
| | - Manchun Wang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
| | - Xiaolong Quan
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
| | - Guangyu Yao
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Zhiqiang Yu
- Affiliated Dongguan Hospital, Southern Medical University (Dongguan People's Hospital), Dongguan, People's Republic of China
| | - Yongxia Wang
- Affiliated Dongguan Hospital, Southern Medical University (Dongguan People's Hospital), Dongguan, People's Republic of China
| | - Meng Yu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People's Republic of China
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5
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Rezaee M, Mohammadi F, Keshavarzmotamed A, Yahyazadeh S, Vakili O, Milasi YE, Veisi V, Dehmordi RM, Asadi S, Ghorbanhosseini SS, Rostami M, Alimohammadi M, Azadi A, Moussavi N, Asemi Z, Aminianfar A, Mirzaei H, Mafi A. The landscape of exosomal non-coding RNAs in breast cancer drug resistance, focusing on underlying molecular mechanisms. Front Pharmacol 2023; 14:1152672. [PMID: 37153758 PMCID: PMC10154547 DOI: 10.3389/fphar.2023.1152672] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 03/29/2023] [Indexed: 05/10/2023] Open
Abstract
Breast cancer (BC) is the most common malignancy among women worldwide. Like many other cancers, BC therapy is challenging and sometimes frustrating. In spite of the various therapeutic modalities applied to treat the cancer, drug resistance, also known as, chemoresistance, is very common in almost all BCs. Undesirably, a breast tumor might be resistant to different curative approaches (e.g., chemo- and immunotherapy) at the same period of time. Exosomes, as double membrane-bound extracellular vesicles 1) secreted from different cell species, can considerably transfer cell products and components through the bloodstream. In this context, non-coding RNAs (ncRNAs), including miRNAs, long ncRNAs (lncRNAs), and circular RNAs (circRNAs), are a chief group of exosomal constituents with amazing abilities to regulate the underlying pathogenic mechanisms of BC, such as cell proliferation, angiogenesis, invasion, metastasis, migration, and particularly drug resistance. Thereby, exosomal ncRNAs can be considered potential mediators of BC progression and drug resistance. Moreover, as the corresponding exosomal ncRNAs circulate in the bloodstream and are found in different body fluids, they can serve as foremost prognostic/diagnostic biomarkers. The current study aims to comprehensively review the most recent findings on BC-related molecular mechanisms and signaling pathways affected by exosomal miRNAs, lncRNAs, and circRNAs, with a focus on drug resistance. Also, the potential of the same exosomal ncRNAs in the diagnosis and prognosis of BC will be discussed in detail.
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Affiliation(s)
- Malihe Rezaee
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Tehran Heart Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Mohammadi
- Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Sheida Yahyazadeh
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omid Vakili
- Autophagy Research Center, Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Yaser Eshaghi Milasi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Vida Veisi
- School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Rohollah Mousavi Dehmordi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sepideh Asadi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Seyedeh Sara Ghorbanhosseini
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Rostami
- Department of Clinical Biochemistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mina Alimohammadi
- Student Research Committee, Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Mina Alimohammadi, ; Abbas Azadi, ; Hamed Mirzaei, ; Alireza Mafi,
| | - Abbas Azadi
- Department of Internal Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
- *Correspondence: Mina Alimohammadi, ; Abbas Azadi, ; Hamed Mirzaei, ; Alireza Mafi,
| | - Nushin Moussavi
- Department of Surgery, Kashan University of Medical Sciences, Kashan, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Azadeh Aminianfar
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
- *Correspondence: Mina Alimohammadi, ; Abbas Azadi, ; Hamed Mirzaei, ; Alireza Mafi,
| | - Alireza Mafi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- *Correspondence: Mina Alimohammadi, ; Abbas Azadi, ; Hamed Mirzaei, ; Alireza Mafi,
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Targeting Na-H exchanger 1 overcomes nuclear factor kappa B-mediated tumor resistance to radiotherapy. Neoplasia 2022; 35:100862. [PMID: 36508876 PMCID: PMC9761853 DOI: 10.1016/j.neo.2022.100862] [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] [Received: 10/10/2022] [Revised: 11/30/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022] Open
Abstract
Intrinsic or acquired radioresistance often limits the efficacy of radiation therapy (RT), thereby leading to local control failure. Cancerous cells have abnormal pH dynamics due to high metabolic demands, but it is unclear how pH dynamics contribute to radioresistance. In this study, we investigated the role of Na-H exchange 1 (NHE1), the major intracellular pH (pHi) regulator, in RT response. We observed that RT increased NHE1 expression and modulated pHi in MDA-MB-231 human breast cancer cells. When combined with RT, pharmacological NHE1 inhibition by 5-(N-Ethyl-N-isopropyl)amiloride (EIPA) reduced pHi and clonogenic survival. EIPA attenuated radiation-damaged DNA repair, increasing G2/M cell cycle arrest. The combination of EIPA and RT increased apoptotic cell death while decreasing phosphorylation of NF-κB p65. Similarly, the knockdown of NHE1 increased radiosensitivity with lower pHi and increased apoptosis. Consistent with in vitro data, the EIPA plus RT inhibited the growth of MDA-MB-231 xenograft tumors in mice to a greater extent than either EIPA or RT alone. EIPA abrogated the RT-induced increase in NHE1 and phospho-NF-κB p65 expression in tumor tissues. Such coincidence of increased NHE1 level, pHi, and NF-κB activation was also found in radioresistant MDA-MB-231 cells, which were reversed by EIPA treatment. Bioinformatics analysis of RNA sequencing data revealed that inhibiting NHE1 reversed three core gene networks that were up-regulated in radioresistant cells and correlated with high NHE1 expression in patient samples: NF-κB, senescence, and extracellular matrix. Taken together, our findings suggest that NHE1 contributes to RT resistance via NF-κB-mediated signaling networks, and NHE1 may be a promising target for improving RT outcomes.
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Hamaguchi R, Isowa M, Narui R, Morikawa H, Wada H. Clinical review of alkalization therapy in cancer treatment. Front Oncol 2022; 12:1003588. [PMID: 36185175 PMCID: PMC9516301 DOI: 10.3389/fonc.2022.1003588] [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] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
One of the most unique characteristics of cancer metabolism is activated aerobic glycolysis, which is called the “Warburg effect”, and is a hallmark of cancer. An acidic tumor microenvironment (TME) resulting from activated anaerobic glycolysis is associated with cancer progression, multi-drug resistance, and immune escape. Several in vitro and in vivo studies reported that neutralization of the acidic TME by alkalizing agents, such as bicarbonate, resulted in the suppression of cancer progression and a potential benefit for anti-cancer drug responses. In clinical settings, alkalizing effects were achieved not only by alkalizing agents, but also by a following a particular diet. An epidemiological study demonstrated that more fruits and vegetables and less meat and dairy products are associated with an increase in urine pH, which may reflect the alkalizing effect on the body. However, it remains unclear whether alkaline dietary intervention improves the effects of cancer treatment. Moreover, there are few clinical reports to date regarding cancer treatments being performed on patients together with alkalization therapy. In this review, we investigated whether alkalization therapy, which includes an alkaline diet and/or alkalizing agents, improves cancer treatment.
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8
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James AD, Leslie TK, Kaggie JD, Wiggins L, Patten L, Murphy O'Duinn J, Langer S, Labarthe MC, Riemer F, Baxter G, McLean MA, Gilbert FJ, Kennerley AJ, Brackenbury WJ. Sodium accumulation in breast cancer predicts malignancy and treatment response. Br J Cancer 2022; 127:337-349. [PMID: 35462561 PMCID: PMC9296657 DOI: 10.1038/s41416-022-01802-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 03/10/2022] [Accepted: 03/22/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Breast cancer remains a leading cause of death in women and novel imaging biomarkers are urgently required. Here, we demonstrate the diagnostic and treatment-monitoring potential of non-invasive sodium (23Na) MRI in preclinical models of breast cancer. METHODS Female Rag2-/- Il2rg-/- and Balb/c mice bearing orthotopic breast tumours (MDA-MB-231, EMT6 and 4T1) underwent MRI as part of a randomised, controlled, interventional study. Tumour biology was probed using ex vivo fluorescence microscopy and electrophysiology. RESULTS 23Na MRI revealed elevated sodium concentration ([Na+]) in tumours vs non-tumour regions. Complementary proton-based diffusion-weighted imaging (DWI) linked elevated tumour [Na+] to increased cellularity. Combining 23Na MRI and DWI measurements enabled superior classification accuracy of tumour vs non-tumour regions compared with either parameter alone. Ex vivo assessment of isolated tumour slices confirmed elevated intracellular [Na+] ([Na+]i); extracellular [Na+] ([Na+]e) remained unchanged. Treatment with specific inward Na+ conductance inhibitors (cariporide, eslicarbazepine acetate) did not affect tumour [Na+]. Nonetheless, effective treatment with docetaxel reduced tumour [Na+], whereas DWI measures were unchanged. CONCLUSIONS Orthotopic breast cancer models exhibit elevated tumour [Na+] that is driven by aberrantly elevated [Na+]i. Moreover, 23Na MRI enhances the diagnostic capability of DWI and represents a novel, non-invasive biomarker of treatment response with superior sensitivity compared to DWI alone.
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Affiliation(s)
- Andrew D James
- Department of Biology, University of York, York, UK
- York Biomedical Research Institute, University of York, York, UK
| | | | - Joshua D Kaggie
- Department of Radiology & NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | | | - Lewis Patten
- Department of Mathematics, University of York, York, UK
| | | | - Swen Langer
- Bioscience Technology Facility, Department of Biology, University of York, York, UK
| | | | - Frank Riemer
- Mohn Medical Imaging and Visualization Centre, Haukeland University Hospital Bergen, Bergen, Norway
| | - Gabrielle Baxter
- Department of Radiology & NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Mary A McLean
- Department of Radiology & NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Fiona J Gilbert
- Department of Radiology & NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Aneurin J Kennerley
- York Biomedical Research Institute, University of York, York, UK
- Department of Chemistry, University of York, York, UK
| | - William J Brackenbury
- Department of Biology, University of York, York, UK.
- York Biomedical Research Institute, University of York, York, UK.
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9
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Liao W, Rao Z, Wu L, Chen Y, Li C. Cariporide Attenuates Doxorubicin-Induced Cardiotoxicity in Rats by Inhibiting Oxidative Stress, Inflammation and Apoptosis Partly Through Regulation of Akt/GSK-3β and Sirt1 Signaling Pathway. Front Pharmacol 2022; 13:850053. [PMID: 35747748 PMCID: PMC9209753 DOI: 10.3389/fphar.2022.850053] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 04/12/2022] [Indexed: 11/24/2022] Open
Abstract
Background: Doxorubicin (DOX) is a potent chemotherapeutic agent with limited usage due to its cumulative cardiotoxicity. The Na+/H+ exchanger isoform 1 (NHE1) is a known regulator of oxidative stress, inflammation, and apoptosis. The present study was designed to investigate the possible protective effect of cariporide (CAR), a selective inhibitor of NHE1, against DOX-induced cardiotoxicity in rats. Methods: Male Sprague-Dawley rats were intraperitoneally injected with DOX to induce cardiac toxicity and CAR was given orally for treatment. The injured H9c2 cell model was established by incubation with DOX in vitro. Echocardiography, as well as morphological and ultra-structural examination were performed to evaluate cardiac function and histopathological changes. The biochemical parameters were determined according to the manufacturer’s guideline of kits. ROS were assessed by using an immunofluorescence assay. The serum levels and mRNA expressions of inflammatory cytokines were measured by using ELISA or qRT-PCR. Cardiac cell apoptosis and H9c2 cell viability were tested by TUNEL or MTT method respectively. The protein expressions of Cleaved-Caspase-3, Bcl-2, Bax, Akt, GSK-3β, and Sirt1 were detected by western blot. Results: Treatment with CAR protected against DOX-induced body weight changes, impairment of heart function, leakage of cardiac enzymes, and heart histopathological damage. In addition, CAR significantly attenuated oxidative stress and inhibited the levels and mRNA expressions of inflammatory cytokines (TNF-α, IL-6, IL-18, and IL-1β), which were increased by DOX treatment. Moreover, CAR significantly suppressed myocardial apoptosis and Cleaved-Caspase-3 protein expression induced by DOX, which was in agreement with the increased Bcl-2/Bax ratio. Also, DOX suppressed phosphorylation of Akt and GSK-3β, which was significantly reversed by administration of CAR. Furthermore, CAR treatment prevented DOX-induced down-regulation of Sirt1 at the protein level in vitro and in vivo. Finally, Sirt1 inhibitor reversed the protective effects of CAR, as evidenced by reduced cell viability and Sirt1 protein expression in vitro. Conclusion: Taken together, we provide evidence for the first time in the current study that CAR exerts potent protective effects against DOX-induced cardiotoxicity in rats. This cardio-protective effect is attributed to suppressing oxidative stress, inflammation, and apoptosis, at least in part, through regulation of Akt/GSK-3β and Sirt1 signaling pathway, which has not been reported to date.
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Affiliation(s)
- Wenli Liao
- National Demonstration Center for Experimental General Medicine Education, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Zhiwei Rao
- Central Hospital of Xianning, The First Affiliate Hospital of Hubei University of Science and Technology, Xianning, China
| | - Lingling Wu
- National Demonstration Center for Experimental General Medicine Education, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yong Chen
- Central Hospital of Xianning, The First Affiliate Hospital of Hubei University of Science and Technology, Xianning, China
- *Correspondence: Cairong Li, ; Yong Chen,
| | - Cairong Li
- National Demonstration Center for Experimental General Medicine Education, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
- *Correspondence: Cairong Li, ; Yong Chen,
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10
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Regulation of proton partitioning in kinase-activating acute myeloid leukemia and its therapeutic implication. Leukemia 2022; 36:1990-2001. [PMID: 35624145 PMCID: PMC9343251 DOI: 10.1038/s41375-022-01606-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/21/2022]
Abstract
Gain-of-function kinase mutations are common in AML and usually portend an inferior prognosis. We reported a novel mechanism whereby kinase mutants induced intracellular alkalization characteristic in oncogenesis. Thirteen kinases were found to activate sodium/hydrogen exchanger (NHE1) in normal hematopoietic progenitors, of which FLT3-ITD, KRASG12D, and BTK phosphorylated NHE1 maintained alkaline intracellular pH (pHi) and supported survival of AML cells. Primary AML samples with kinase mutations also showed increased NHE1 phosphorylation and evidence of NHE1 addiction. Amiloride enhanced anti-leukemic effects and intracellular distribution of kinase inhibitors and chemotherapy. Co-inhibition of NHE1 and kinase synergistically acidified pHi in leukemia and inhibited its growth in vivo. Plasma from patients taking amiloride for diuresis reduced pHi of leukemia and enhanced cytotoxic effects of kinase inhibitors and chemotherapy in vitro. NHE1-mediated intracellular alkalization played a key pathogenetic role in transmitting the proliferative signal from mutated-kinase and could be exploited for therapeutic intervention in AML.
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11
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Tiek D, Cheng SY. DNA damage and metabolic mechanisms of cancer drug resistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2022; 5:368-379. [PMID: 35800362 PMCID: PMC9255237 DOI: 10.20517/cdr.2021.148] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/11/2022] [Accepted: 03/11/2022] [Indexed: 11/13/2022]
Abstract
Cancer drug resistance is one of the main barriers to overcome to ensure durable treatment responses. While many pivotal advances have been made in first combination therapies, then targeted therapies, and now broadening out to immunomodulatory drugs or metabolic targeting compounds, drug resistance is still ultimately universally fatal. In this brief review, we will discuss different strategies that have been used to fight drug resistance from synthetic lethality to tumor microenvironment modulation, focusing on the DNA damage response and tumor metabolism both within tumor cells and their surrounding microenvironment. In this way, with a better understanding of both targetable mutations in combination with the metabolism, smarter drugs may be designed to combat cancer drug resistance.
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Affiliation(s)
- Deanna Tiek
- Correspondence to: Deanna Tiek, The Ken & Ruth Davee Department of Neurology, Lou and Jean Malnati Brain Tumor Institute at Northwestern Medicine, Robert H. Lurie Comprehensive Cancer Center, and Simpson Querry Institute for Epigenetics, Northwestern University, Feinberg School of Medicine, 303 E Superior St, Chicago, IL 60611, USA. E-mail: ; Shi-Yuan Cheng, The Ken & Ruth Davee Department of Neurology, Lou and Jean Malnati Brain Tumor Institute at Northwestern Medicine, Robert H. Lurie Comprehensive Cancer Center, and Simpson Querry Institute for Epigenetics, Northwestern University, Feinberg School of Medicine, 303 E Superior St, Chicago, IL 60611, USA. E-mail:
| | - Shi-Yuan Cheng
- Correspondence to: Deanna Tiek, The Ken & Ruth Davee Department of Neurology, Lou and Jean Malnati Brain Tumor Institute at Northwestern Medicine, Robert H. Lurie Comprehensive Cancer Center, and Simpson Querry Institute for Epigenetics, Northwestern University, Feinberg School of Medicine, 303 E Superior St, Chicago, IL 60611, USA. E-mail: ; Shi-Yuan Cheng, The Ken & Ruth Davee Department of Neurology, Lou and Jean Malnati Brain Tumor Institute at Northwestern Medicine, Robert H. Lurie Comprehensive Cancer Center, and Simpson Querry Institute for Epigenetics, Northwestern University, Feinberg School of Medicine, 303 E Superior St, Chicago, IL 60611, USA. E-mail:
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12
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Li Y, Li D, Liu Y, Wang S, Sun M, Zhang Z, Zheng X, Li J, Li Y. The positive feedback loop of NHE1-ERK phosphorylation mediated by BRAF V600E mutation contributes to tumorigenesis and development of glioblastoma. Biochem Biophys Res Commun 2022; 588:1-7. [PMID: 34933181 DOI: 10.1016/j.bbrc.2021.11.104] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/30/2021] [Indexed: 01/13/2023]
Abstract
The v-raf murine sarcoma viral oncogene homolog B1 (BRAF) activating mutation V600E (BRAFV600E) is involved in glioblastoma multiforme (GBM). Na/H exchanger 1 (NHE1), a main pH regulator affecting cell microenvironment, is hyper-expressed in GBM. However, the relationship between BRAFV600E signal pathway and NHE1 in GMB cells remains unclear. This study found that NHE1 was a downstream target of BRAFV600E and an upstream factor of extracellular signal-regulated kinase (ERK). In addition, there was a positive feedback loop between NHE1-ERK phosphorylation under regulation of BRAFV600E mutation contributing to the proliferation and invasion of GBM cells. Moreover, the proliferation and invasion abilities of BRAFV600E-mutant and BRAF wild type GBM cells were all suppressed by the NHE1 inhibitor, BRAFV600E inhibitor and combination of them. The inhibitory effect of combination of the two inhibitors was better than each single drug both in vitro and in vivo. Combination of BRAFV600E and NHE1 inhibitors could be considered as a new therapeutic regimen for GBM, especially for GBM with BRAFV600E.
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Affiliation(s)
- Yuhui Li
- Department of Neurosurgery, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China
| | - Dan Li
- The Cancer Institute, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China
| | - Yankun Liu
- The Cancer Institute, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China
| | - Shuqing Wang
- Hospital of North China University of Science and Technology, Tangshan, Hebei, 063210, PR China
| | - Mingyang Sun
- Department of Neurosurgery, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China
| | - Zhongyuan Zhang
- Department of Neurosurgery, Zunhua People's Hospital, Zunhua, Hebei, 064200, PR China
| | - Xuan Zheng
- Nuclear Medicine Clinical Laboratory, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China
| | - Jingwu Li
- The Cancer Institute, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China.
| | - Yufeng Li
- The Cancer Institute, Tangshan People's Hospital, Tangshan, Hebei, 063001, PR China.
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13
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Balza E, Carlone S, Carta S, Piccioli P, Cossu V, Marini C, Sambuceti G, Rubartelli A, Castellani P. Therapeutic efficacy of proton transport inhibitors alone or in combination with cisplatin in triple negative and hormone sensitive breast cancer models. Cancer Med 2022; 11:183-193. [PMID: 34796694 PMCID: PMC8704177 DOI: 10.1002/cam4.4371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 09/28/2021] [Accepted: 09/28/2021] [Indexed: 11/10/2022] Open
Abstract
Triple negative breast cancers (TNBCs) are very aggressive and have a poor prognosis due to lack of efficacious therapies. The only effective treatment is chemotherapy that however is frequently hindered by the occurrence of drug resistance. We approached this problem in vitro and in vivo on a triple negative and a hormone sensitive breast cancer cell lines: 4T1 and TS/A. A main defense mechanism of tumors is the extrusion of intracellular protons derived from the metabolic shift to glycolysis, and necessary to maintain an intracellular pH compatible with life. The resulting acidic extracellular milieu bursts the malignant behavior of tumors and impairs chemotherapy. Therefore, we investigated the efficacy of combined therapies that associate cisplatin (Cis) with proton exchanger inhibitors, such as esomeprazole (ESO) and 5-(N-ethyl-N-isopropyl)amiloride (EIPA). Our results demonstrate that in the 4T1 triple negative model the combined therapy Cis plus EIPA is significantly more effective than the other treatments. Instead, in the TS/A tumor the best therapeutic result is obtained with ESO alone. Remarkably, in both 4T1 and TS/A tumors these treatments correlate with increase of CD8+ T lymphocytes and dendritic cells, and a dramatic reduction of M2 macrophages and other suppressor myeloid cells (MDSC) in the tumor infiltrates.
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Affiliation(s)
- Enrica Balza
- Cell Biology UnitIRCCS Ospedale Policlinico San MartinoGenoaItaly
| | | | - Sonia Carta
- Cell Biology UnitIRCCS Ospedale Policlinico San MartinoGenoaItaly
| | | | - Vanessa Cossu
- Nuclear MedicineIRCCS Ospedale Policlinico San MartinoGenovaItaly
- Department of Health SciencesUniversity of GenoaGenoaItaly
| | - Cecilia Marini
- Nuclear MedicineIRCCS Ospedale Policlinico San MartinoGenovaItaly
- Bioimaging and Physiology (IBFM)CNR Institute of MolecularMilanItaly
| | - Gianmario Sambuceti
- Nuclear MedicineIRCCS Ospedale Policlinico San MartinoGenovaItaly
- Department of Health SciencesUniversity of GenoaGenoaItaly
| | - Anna Rubartelli
- Cell Biology UnitIRCCS Ospedale Policlinico San MartinoGenoaItaly
- Vita‐Salute San Raffaele UniversityMilanItaly
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14
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Youssef A, Haskali MB, Gorringe KL. The Protein Landscape of Mucinous Ovarian Cancer: Towards a Theranostic. Cancers (Basel) 2021; 13:5596. [PMID: 34830751 PMCID: PMC8616050 DOI: 10.3390/cancers13225596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/02/2021] [Accepted: 11/03/2021] [Indexed: 01/20/2023] Open
Abstract
MOC is a rare histotype of epithelial ovarian cancer, and current management options are inadequate for the treatment of late stage or recurrent disease. A shift towards personalised medicines in ovarian cancer is being observed, with trials targeting specific molecular pathways, however, MOC lags due to its rarity. Theranostics is a rapidly evolving category of personalised medicine, encompassing both a diagnostic and therapeutic approach by recognising targets that are expressed highly in tumour tissue in order to deliver a therapeutic payload. The present review evaluates the protein landscape of MOC in recent immunohistochemical- and proteomic-based research, aiming to identify potential candidates for theranostic application. Fourteen proteins were selected based on cell membrane localisation: HER2, EGFR, FOLR1, RAC1, GPR158, CEACAM6, MUC16, PD-L1, NHE1, CEACAM5, MUC1, ACE2, GP2, and PTPRH. Optimal proteins to target using theranostic agents must exhibit high membrane expression on cancerous tissue with low expression on healthy tissue to afford improved disease outcomes with minimal off-target effects and toxicities. We provide guidelines to consider in the selection of a theranostic target for MOC and suggest future directions in evaluating the results of this review.
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Affiliation(s)
- Arkan Youssef
- Department of Medicine, The University of Melbourne, Melbourne, VIC 3000, Australia;
| | - Mohammad B. Haskali
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3000, Australia;
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
| | - Kylie L. Gorringe
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3000, Australia;
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
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15
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Pérez-Herrero E, Fernández-Medarde A. The reversed intra- and extracellular pH in tumors as a unified strategy to chemotherapeutic delivery using targeted nanocarriers. Acta Pharm Sin B 2021; 11:2243-2264. [PMID: 34522586 PMCID: PMC8424227 DOI: 10.1016/j.apsb.2021.01.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/11/2020] [Accepted: 01/04/2021] [Indexed: 02/07/2023] Open
Abstract
Solid tumors are complex entities, comprising a wide variety of malignancies with very different molecular alterations. Despite this, they share a set of characteristics known as "hallmarks of cancer" that can be used as common therapeutic targets. Thus, every tumor needs to change its metabolism in order to obtain the energy levels required for its high proliferative rates, and these adaptations lead to alterations in extra- and intracellular pH. These changes in pH are common to all solid tumors, and can be used either as therapeutic targets, blocking the cell proton transporters and reversing the pH changes, or as means to specifically deliver anticancer drugs. In this review we will describe how proton transport inhibitors in association with nanocarriers have been designed to block the pH changes that are needed for cancer cells to survive after their metabolic adaptations. We will also describe studies aiming to decrease intracellular pH in cancer using nanoparticles as molecular cages for protons which will be released upon UV or IR light exposure. Finally, we will comment on several studies that have used the extracellular pH in cancer for an enhanced cell internalization and tumor penetration of nanocarriers and a controlled drug delivery, describing how nanocarriers are being used to increase drug stability and specificity.
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Affiliation(s)
- Edgar Pérez-Herrero
- Departamento de Ingeniería Química y Tecnología Farmacéutica, Universidad de La Laguna, La Laguna 38206, Tenerife, Spain
- Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, La Laguna 38206, Tenerife, Spain
- Instituto Universitario de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna 38200, Tenerife, Spain
| | - Alberto Fernández-Medarde
- Instituto de Biología Molecular y Celular Del Cáncer, Centro de Investigación Del Cáncer (USAL-CSIC), Salamanca 37007, Spain
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16
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Ion Channels, Transporters, and Sensors Interact with the Acidic Tumor Microenvironment to Modify Cancer Progression. Rev Physiol Biochem Pharmacol 2021; 182:39-84. [PMID: 34291319 DOI: 10.1007/112_2021_63] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Solid tumors, including breast carcinomas, are heterogeneous but typically characterized by elevated cellular turnover and metabolism, diffusion limitations based on the complex tumor architecture, and abnormal intra- and extracellular ion compositions particularly as regards acid-base equivalents. Carcinogenesis-related alterations in expression and function of ion channels and transporters, cellular energy levels, and organellar H+ sequestration further modify the acid-base composition within tumors and influence cancer cell functions, including cell proliferation, migration, and survival. Cancer cells defend their cytosolic pH and HCO3- concentrations better than normal cells when challenged with the marked deviations in extracellular H+, HCO3-, and lactate concentrations typical of the tumor microenvironment. Ionic gradients determine the driving forces for ion transporters and channels and influence the membrane potential. Cancer and stromal cells also sense abnormal ion concentrations via intra- and extracellular receptors that modify cancer progression and prognosis. With emphasis on breast cancer, the current review first addresses the altered ion composition and the changes in expression and functional activity of ion channels and transporters in solid cancer tissue. It then discusses how ion channels, transporters, and cellular sensors under influence of the acidic tumor microenvironment shape cancer development and progression and affect the potential of cancer therapies.
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17
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Murithi JM, Pascal C, Bath J, Boulenc X, Gnädig NF, Pasaje CFA, Rubiano K, Yeo T, Mok S, Klieber S, Desert P, Jiménez-Díaz MB, Marfurt J, Rouillier M, Cherkaoui-Rbati MH, Gobeau N, Wittlin S, Uhlemann AC, Price RN, Wirjanata G, Noviyanti R, Tumwebaze P, Cooper RA, Rosenthal PJ, Sanz LM, Gamo FJ, Joseph J, Singh S, Bashyam S, Augereau JM, Giraud E, Bozec T, Vermat T, Tuffal G, Guillon JM, Menegotto J, Sallé L, Louit G, Cabanis MJ, Nicolas MF, Doubovetzky M, Merino R, Bessila N, Angulo-Barturen I, Baud D, Bebrevska L, Escudié F, Niles JC, Blasco B, Campbell S, Courtemanche G, Fraisse L, Pellet A, Fidock DA, Leroy D. The antimalarial MMV688533 provides potential for single-dose cures with a high barrier to Plasmodium falciparum parasite resistance. Sci Transl Med 2021; 13:13/603/eabg6013. [PMID: 34290058 PMCID: PMC8530196 DOI: 10.1126/scitranslmed.abg6013] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 07/02/2021] [Indexed: 01/13/2023]
Abstract
The emergence and spread of Plasmodium falciparum resistance to first-line antimalarials creates an imperative to identify and develop potent preclinical candidates with distinct modes of action. Here, we report the identification of MMV688533, an acylguanidine that was developed following a whole-cell screen with compounds known to hit high-value targets in human cells. MMV688533 displays fast parasite clearance in vitro and is not cross-resistant with known antimalarials. In a P. falciparum NSG mouse model, MMV688533 displays a long-lasting pharmacokinetic profile and excellent safety. Selection studies reveal a low propensity for resistance, with modest loss of potency mediated by point mutations in PfACG1 and PfEHD. These proteins are implicated in intracellular trafficking, lipid utilization, and endocytosis, suggesting interference with these pathways as a potential mode of action. This preclinical candidate may offer the potential for a single low-dose cure for malaria.
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Affiliation(s)
- James M. Murithi
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Cécile Pascal
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Jade Bath
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | | | - Nina F. Gnädig
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | | | - Kelly Rubiano
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Tomas Yeo
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Sachel Mok
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Sylvie Klieber
- Sanofi R&D, Translational Medicine & Early Development, Montpellier, France
| | | | | | - Jutta Marfurt
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Australia
| | | | | | | | - Sergio Wittlin
- Department of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, Basel, Switzerland.,Universität Basel, Basel, Switzerland
| | - Anne-Catrin Uhlemann
- Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA
| | - Ric N. Price
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Australia.,Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Grennady Wirjanata
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Australia
| | | | | | - Roland A. Cooper
- Department of Natural Sciences and Mathematics, Dominican University of California, San Rafael, CA, USA
| | | | - Laura M. Sanz
- Global Health Pharma Research Unit, GSK, Tres Cantos, Madrid, Spain
| | | | | | | | | | | | - Elie Giraud
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Tanguy Bozec
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Thierry Vermat
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Gilles Tuffal
- Sanofi R&D, Translational Medicine & Early Development, Montpellier, France
| | | | - Jérôme Menegotto
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Laurent Sallé
- Sanofi R&D, Translational Medicine & Early Development, Montpellier, France
| | | | - Marie-José Cabanis
- Sanofi R&D, Translational Medicine & Early Development, Montpellier, France
| | | | | | - Rita Merino
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Nadir Bessila
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | | | | | | | | | - Jacquin C. Niles
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | | | | | - Laurent Fraisse
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - Alain Pellet
- Sanofi, Infectious Diseases Therapeutic Area, Marcy l'Etoile, France
| | - David A. Fidock
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA.,Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA.,Corresponding author. (D.A.F.); (D.L.)
| | - Didier Leroy
- Medicines for Malaria Venture, Geneva, Switzerland.,Corresponding author. (D.A.F.); (D.L.)
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18
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Characterization of modeled inhibitory binding sites on isoform one of the Na +/H + exchanger. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2021; 1863:183648. [PMID: 33992631 DOI: 10.1016/j.bbamem.2021.183648] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 12/31/2022]
Abstract
Mammalian Na+/H+ exchanger isoform one (NHE1) is a plasma membrane protein responsible for pH regulation in mammalian cells. Excess activity of the protein promotes heart disease and is a trigger of metastasis in cancer. Inhibitors of the protein exist but problems in specificity have delayed their clinical application. Here we examined amino acids involved in two modeled inhibitor binding sites (A, B) in human NHE1. Twelve mutations (Asp159, Phe348, Ser351, Tyr381, Phe413, Leu465, Gly466, Tyr467, Leu468, His473, Met476, Leu481) were made and characterized. Mutants S351A, F413A, Y467A, L468A, M476A and L481A had 40-70% of wild type expression levels, while G466A and H473A expressed 22% ~ 30% of the wild type levels. Most mutants, were targeted to the cell surface at levels similar to wild type NHE1, approximately 50-70%, except for F413A and G466A, which had very low surface targeting. Most of the mutants had measurable activity except for D159A, F413A and G466A. Resistance to inhibition by EMD87580 was elevated in mutants F438A, L465A and L468A and reduced in mutants S351A, Y381A, H473A, M476A and L481A. All mutants with large alterations in inhibitory properties showed reduced Na+ affinity. The greatest changes in activity and inhibitor sensitivity were in mutants present in binding site B which is more closely associated with TM4 and C terminal of extracellular loop 5, and is situated between the putative scaffolding domain and transport domain. The results help define the inhibitor binding domain of the NHE1 protein and identify new amino acids involved in inhibitor binding.
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19
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Becker HM, Deitmer JW. Proton Transport in Cancer Cells: The Role of Carbonic Anhydrases. Int J Mol Sci 2021; 22:ijms22063171. [PMID: 33804674 PMCID: PMC8003680 DOI: 10.3390/ijms22063171] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023] Open
Abstract
Intra- and extracellular pH regulation is a pivotal function of all cells and tissues. Net outward transport of H+ is a prerequisite for normal physiological function, since a number of intracellular processes, such as metabolism and energy supply, produce acid. In tumor tissues, distorted pH regulation results in extracellular acidification and the formation of a hostile environment in which cancer cells can outcompete healthy local host cells. Cancer cells employ a variety of H+/HCO3−-coupled transporters in combination with intra- and extracellular carbonic anhydrase (CA) isoforms, to alter intra- and extracellular pH to values that promote tumor progression. Many of the transporters could closely associate to CAs, to form a protein complex coined “transport metabolon”. While transport metabolons built with HCO3−-coupled transporters require CA catalytic activity, transport metabolons with monocarboxylate transporters (MCTs) operate independently from CA catalytic function. In this article, we assess some of the processes and functions of CAs for tumor pH regulation and discuss the role of intra- and extracellular pH regulation for cancer pathogenesis and therapeutic intervention.
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Affiliation(s)
- Holger M. Becker
- Zoology and Animal Physiology, Institute of Zoology, TU Dresden, D-01217 Dresden, Germany
- Correspondence:
| | - Joachim W. Deitmer
- Department of Biology, University of Kaiserslautern, D-67653 Kaiserslautern, Germany;
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20
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Peng J, Cui Y, Xu S, Wu X, Huang Y, Zhou W, Wang S, Fu Z, Xie H. Altered glycolysis results in drug-resistant in clinical tumor therapy. Oncol Lett 2021; 21:369. [PMID: 33747225 DOI: 10.3892/ol.2021.12630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/23/2020] [Indexed: 12/13/2022] Open
Abstract
Cancer cells undergo metabolic reprogramming, including increased glucose metabolism, fatty acid synthesis and glutamine metabolic rates. These enhancements to three major metabolic pathways are closely associated with glycolysis, which is considered the central component of cancer cell metabolism. Increasing evidence suggests that dysfunctional glycolysis is commonly associated with drug resistance in cancer treatment, and aberrant glycolysis plays a significant role in drug-resistant cancer cells. Studies on the development of drugs targeting these abnormalities have led to improvements in the efficacy of tumor treatment. The present review discusses the changes in glycolysis targets that cause drug resistance in cancer cells, including hexokinase, pyruvate kinase, pyruvate dehydrogenase complex, glucose transporters, and lactate, as well the underlying molecular mechanisms and corresponding novel therapeutic strategies. In addition, the association between increased oxidative phosphorylation and drug resistance is introduced, which is caused by metabolic plasticity. Given that aberrant glycolysis has been identified as a common metabolic feature of drug-resistant tumor cells, targeting glycolysis may be a novel strategy to develop new drugs to benefit patients with drug-resistance.
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Affiliation(s)
- Jinghui Peng
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yangyang Cui
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shipeng Xu
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Xiaowei Wu
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yue Huang
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Wenbin Zhou
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shui Wang
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Ziyi Fu
- Nanjing Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu 210004, P.R. China.,Department of Oncology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Hui Xie
- Department of Breast Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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21
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Koltai T. Targeting the pH Paradigm at the Bedside: A Practical Approach. Int J Mol Sci 2020; 21:E9221. [PMID: 33287221 PMCID: PMC7730959 DOI: 10.3390/ijms21239221] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 02/07/2023] Open
Abstract
The inversion of the pH gradient in malignant tumors, known as the pH paradigm, is increasingly becoming accepted by the scientific community as a hallmark of cancer. Accumulated evidence shows that this is not simply a metabolic consequence of a dysregulated behavior, but rather an essential process in the physiopathology of accelerated proliferation and invasion. From the over-simplification of increased lactate production as the cause of the paradigm, as initially proposed, basic science researchers have arrived at highly complex and far-reaching knowledge, that substantially modified that initial belief. These new developments show that the paradigm entails a different regulation of membrane transporters, electrolyte exchangers, cellular and membrane enzymes, water trafficking, specialized membrane structures, transcription factors, and metabolic changes that go far beyond fermentative glycolysis. This complex world of dysregulations is still shuttered behind the walls of experimental laboratories and has not yet reached bedside medicine. However, there are many known pharmaceuticals and nutraceuticals that are capable of targeting the pH paradigm. Most of these products are well known, have low toxicity, and are also inexpensive. They need to be repurposed, and this would entail shorter clinical studies and enormous cost savings if we compare them with the time and expense required for the development of a new molecule. Will targeting the pH paradigm solve the "cancer problem"? Absolutely not. However, reversing the pH inversion would strongly enhance standard treatments, rendering them more efficient, and in some cases permitting lower doses of toxic drugs. This article's goal is to describe how to reverse the pH gradient inversion with existing drugs and nutraceuticals that can easily be used in bedside medicine, without adding toxicity to established treatments. It also aims at increasing awareness among practicing physicians that targeting the pH paradigm would be able to improve the results of standard therapies. Some clinical cases will be presented as well, showing how the pH gradient inversion can be treated at the bedside in a simple manner with repurposed drugs.
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Affiliation(s)
- Tomas Koltai
- Centro de Diagnostico y Tratamiento de la Obra Social del Personal de la Alimentacion, Talar de Pacheco, Buenos Aires 1617, Argentina
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22
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Harguindey S, Alfarouk K, Polo Orozco J, Fais S, Devesa J. Towards an Integral Therapeutic Protocol for Breast Cancer Based upon the New H +-Centered Anticancer Paradigm of the Late Post-Warburg Era. Int J Mol Sci 2020; 21:E7475. [PMID: 33050492 PMCID: PMC7589677 DOI: 10.3390/ijms21207475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/13/2022] Open
Abstract
A brand new approach to the understanding of breast cancer (BC) is urgently needed. In this contribution, the etiology, pathogenesis, and treatment of this disease is approached from the new pH-centric anticancer paradigm. Only this unitarian perspective, based upon the hydrogen ion (H+) dynamics of cancer, allows for the understanding and integration of the many dualisms, confusions, and paradoxes of the disease. The new H+-related, wide-ranging model can embrace, from a unique perspective, the many aspects of the disease and, at the same time, therapeutically interfere with most, if not all, of the hallmarks of cancer known to date. The pH-related armamentarium available for the treatment of BC reviewed here may be beneficial for all types and stages of the disease. In this vein, we have attempted a megasynthesis of traditional and new knowledge in the different areas of breast cancer research and treatment based upon the wide-ranging approach afforded by the hydrogen ion dynamics of cancer. The concerted utilization of the pH-related drugs that are available nowadays for the treatment of breast cancer is advanced.
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Affiliation(s)
- Salvador Harguindey
- Department of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
| | - Khalid Alfarouk
- Department of Pharmacology, Al-Ghad International Colleges for Applied Medical Sciences, Al-Madinah Al-Munawarah 42316, Saudi Arabia and Alfarouk Biomedical Research LLC, Tampa, FL 33617, USA;
| | - Julián Polo Orozco
- Department of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
| | - Stefano Fais
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità (National Institute of Health), 00161 Rome, Italy;
| | - Jesús Devesa
- Scientific Direction, Foltra Medical Centre, 15886 Teo, Spain;
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Jia Z, Zhu H, Sun H, Hua Y, Zhang G, Jiang J, Wang X. Adipose Mesenchymal Stem Cell-Derived Exosomal microRNA-1236 Reduces Resistance of Breast Cancer Cells to Cisplatin by Suppressing SLC9A1 and the Wnt/β-Catenin Signaling. Cancer Manag Res 2020; 12:8733-8744. [PMID: 33061571 PMCID: PMC7519869 DOI: 10.2147/cmar.s270200] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 08/21/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Emerging evidence has noted the versatile functions of mesenchymal stem cell-derived exosomes (MSC-Exos) in cancer control. This work aims to probe to function of adipose MSC-Exos (adMSC-Exos) in drug-resistance of breast cancer (BC) cells to cisplatin (DDP) and the molecules involved. METHODS Parental and DDP-resistant BC cell lines MCF-7 and MDA-MB-231 were used. All cells were pre-treated with adMSC-Exos. Then, the viability and apoptosis of cells after DDP treatment were determined. Differentially expressed miRNAs after adMSC-exo treatment were screened out. Rescue experiments were conducted by pre-transfecting miR-1236 inhibitor into adMSCs, and the role of miR-1236 in DDP sensitivity was determined. Targeting mRNAs of miR-1236 were predicted by bioinformatics analysis. Altered SLC9A1 expression was administrated to evaluate its function in DDP resistance. RESULTS The adMSC-Exos notably increased the sensitivity of either parental or DDP-resistant BC cells to DDP. SLC9A1 was notably highly expressed in DDP-resistant cells but inhibited following adMSC-exo administration. Importantly, miR-1236, which could directly bind to SLC9A1 and suppress its expression, was confirmed as an enriched miRNA in adMSC-Exos. Either inhibition of miR-1236 or upregulation of SLC9A1 blocked the pro-sensitize roles of adMSC-Exos. In addition, the Wnt/β-catenin pathway activity was suppressed by adMSC-Exos but recovered by SLC9A1. CONCLUSION This study evidenced that adMSC-Exos carry miR-1236 to increase sensitivity of BC cells to DDP with the involvement of SLC9A1 downregulation and Wnt/β-catenin inactivation. This finding may offer novel insights into treatment for drug-resistant BC.
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Affiliation(s)
- Zhongming Jia
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Huamin Zhu
- Department of Medical Ultrasonics, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Hongguang Sun
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Yitong Hua
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Guoqiang Zhang
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Jingru Jiang
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
| | - Xiaohong Wang
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Binzhou Medical University, Binzhou256603, Shandong, People’s Republic of China
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Dinić J, Efferth T, García-Sosa AT, Grahovac J, Padrón JM, Pajeva I, Rizzolio F, Saponara S, Spengler G, Tsakovska I. Repurposing old drugs to fight multidrug resistant cancers. Drug Resist Updat 2020; 52:100713. [PMID: 32615525 DOI: 10.1016/j.drup.2020.100713] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/04/2020] [Accepted: 06/06/2020] [Indexed: 02/08/2023]
Abstract
Overcoming multidrug resistance represents a major challenge for cancer treatment. In the search for new chemotherapeutics to treat malignant diseases, drug repurposing gained a tremendous interest during the past years. Repositioning candidates have often emerged through several stages of clinical drug development, and may even be marketed, thus attracting the attention and interest of pharmaceutical companies as well as regulatory agencies. Typically, drug repositioning has been serendipitous, using undesired side effects of small molecule drugs to exploit new disease indications. As bioinformatics gain increasing popularity as an integral component of drug discovery, more rational approaches are needed. Herein, we show some practical examples of in silico approaches such as pharmacophore modelling, as well as pharmacophore- and docking-based virtual screening for a fast and cost-effective repurposing of small molecule drugs against multidrug resistant cancers. We provide a timely and comprehensive overview of compounds with considerable potential to be repositioned for cancer therapeutics. These drugs are from diverse chemotherapeutic classes. We emphasize the scope and limitations of anthelmintics, antibiotics, antifungals, antivirals, antimalarials, antihypertensives, psychopharmaceuticals and antidiabetics that have shown extensive immunomodulatory, antiproliferative, pro-apoptotic, and antimetastatic potential. These drugs, either used alone or in combination with existing anticancer chemotherapeutics, represent strong candidates to prevent or overcome drug resistance. We particularly focus on outcomes and future perspectives of drug repositioning for the treatment of multidrug resistant tumors and discuss current possibilities and limitations of preclinical and clinical investigations.
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Affiliation(s)
- Jelena Dinić
- Department of Neurobiology, Institute for Biological Research "Siniša Stanković" - National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | | | - Jelena Grahovac
- Department of Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | - José M Padrón
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO AG), Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, E-38071 La Laguna, Spain.
| | - Ilza Pajeva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
| | - Flavio Rizzolio
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, 301724 Venezia-Mestre, Italy; Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy
| | - Simona Saponara
- Department of Life Sciences, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Gabriella Spengler
- Department of Medical Microbiology and Immunobiology, Faculty of Medicine, University of Szeged, H-6720 Szeged, Dóm tér 10, Hungary
| | - Ivanka Tsakovska
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
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25
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Zheng T, Jäättelä M, Liu B. pH gradient reversal fuels cancer progression. Int J Biochem Cell Biol 2020; 125:105796. [DOI: 10.1016/j.biocel.2020.105796] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/19/2020] [Accepted: 06/24/2020] [Indexed: 12/18/2022]
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26
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Luo Q, Wu T, Wu W, Chen G, Luo X, Jiang L, Tao H, Rong M, Kang S, Deng M. The Functional Role of Voltage-Gated Sodium Channel Nav1.5 in Metastatic Breast Cancer. Front Pharmacol 2020; 11:1111. [PMID: 32792949 PMCID: PMC7393602 DOI: 10.3389/fphar.2020.01111] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 07/08/2020] [Indexed: 12/12/2022] Open
Abstract
Voltage-gated sodium channels (VGSCs), which are abnormally expressed in various types of cancers such as breast cancer, prostate cancer, lung cancer, and cervical cancer, are involved in the metastatic process of invasion and migration. Nav1.5 is a pore-forming α subunit of VGSC encoded by SCN5A. Various studies have demonstrated that Nav1.5, often as its neonatal splice form, is highly expressed in metastatic breast cancer cells. Abnormal activation and expression of Nav1.5 trigger a variety of cellular mechanisms, including changing H+ efflux, promoting epithelial-to-mesenchymal transition (EMT) and the expression of cysteine cathepsin, to potentiate the metastasis and invasiveness of breast cancer cells in vitro and in vivo. Here, we systematically review the latest available data on the pro-metastatic effect of Nav1.5 and its underlying mechanisms in breast cancer. We summarize the factors affecting Nav1.5 expression in breast cancer cells, and discuss the potential of Nav1.5 blockers serving as candidates for breast cancer treatment.
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Affiliation(s)
- Qianxuan Luo
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Animal Models for Human Diseases & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Ting Wu
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Wenfang Wu
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
| | - Gong Chen
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
| | - Xuan Luo
- Department of Biochemistry and Molecular Biology, Hunan Normal University, Changsha, China
| | - Liping Jiang
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Huai Tao
- Department of Biochemistry and Molecular Biology, Hunan University of Chinese Medicine, Changsha, China
| | - Mingqiang Rong
- Department of Biochemistry and Molecular Biology, Hunan Normal University, Changsha, China
| | - Shuntong Kang
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Meichun Deng
- Department of Biochemistry and Molecular Biology & Hunan Province Key Laboratory of Basic and Applied Hematology, School of Life Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Animal Models for Human Diseases & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
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Chen Q, Shen H, Zhu X, Liu Y, Yang H, Chen H, Xiong S, Chi H, Xu W. A nuclear lncRNA Linc00839 as a Myc target to promote breast cancer chemoresistance via PI3K/AKT signaling pathway. Cancer Sci 2020; 111:3279-3291. [PMID: 32619088 PMCID: PMC7469761 DOI: 10.1111/cas.14555] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/18/2020] [Accepted: 06/23/2020] [Indexed: 12/16/2022] Open
Abstract
Chemoresistance has become a leading cause of mortality in breast cancer patients and is one of the major obstacles for improving the clinical outcome. Long noncoding RNAs play important roles in breast cancer tumorigenesis and chemoresistance. However, the involvement and regulation of lncRNAs in breast cancer chemoresistance are not completely understood. Here, we reported that Linc00839 was localized in the nucleus and upregulated in chemoresistant breast cancer cells and tissues, and high level of Linc00839 was associated with a poor prognosis. Knockdown of Linc00839 significantly suppressed proliferation, invasion, and migration, sensitized cells to paclitaxel in vitro and inhibited transplant tumor development in vivo. Mechanistically, we found that Myc could directly bind to the promoter region of Linc00839 and activate its transcription. Furthermore, Linc00839 overexpression increased the expression of Myc and the RNA‐binding protein Lin28B and activated the PI3K/AKT signaling pathway. We also discovered that Lin28B positively interacted with Linc00839 and was upregulated in breast cancer tissues. Taken together, for the first time, we showed that Linc00839 was activated by Myc and promoted proliferation and chemoresistance in breast cancer through binding with Lin28B. These findings provide new insight into the regulatory mechanism of Linc00839 and propose a Myc/Linc00839/Lin28B feedback loop that could be used as a novel therapeutic target for breast cancer.
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Affiliation(s)
- Qi Chen
- Department of Breast Diseases, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,School of medicine, Jiangsu University, Zhenjiang, China
| | - Huiling Shen
- Department of Oncology, Affiliated People Hospital of Jiangsu University, Zhenjiang, China
| | - Xiaolan Zhu
- Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yueqin Liu
- Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Hui Yang
- Department of Breast Diseases, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Hui Chen
- School of medicine, Jiangsu University, Zhenjiang, China
| | - Shangwan Xiong
- School of medicine, Jiangsu University, Zhenjiang, China
| | - Huamao Chi
- Department of Breast Diseases, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wenlin Xu
- Department of Breast Diseases, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,School of medicine, Jiangsu University, Zhenjiang, China
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28
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Improved efficacy of doxorubicin delivery by a novel dual-ligand-modified liposome in hepatocellular carcinoma. Cancer Lett 2020; 489:163-173. [PMID: 32592729 DOI: 10.1016/j.canlet.2020.06.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 06/08/2020] [Accepted: 06/13/2020] [Indexed: 02/07/2023]
Abstract
Liposomes have been widely used as drug carriers in both biomedical research and for clinical applications, allowing the stabilisation of therapeutic compounds and overcoming obstacles to cellular and tissue uptake. However, liposomes still have low targeting efficiency, resulting in insufficient killing of tumour cells and unnecessary damage to normal cells. In this study, glycyrrhetinic acid (GA) and peanut agglutinin (PNA) were used as ligands to prepare dual-ligand-modified doxorubicin-loaded liposomes (DOX-GA/PNA-Lips) to enhance the targeting accuracy and efficacy of drug delivery against malignant liver cancer. PNA and GA modification enhanced the binding ability of liposomes to liver cancer cells, leading to excellent tissue and cell targeting of DOX-GA/PNA-Lips. DOX-GA/PNA-Lips showed an effective anti-tumour effect in vivo and in vitro, with its targeted delivery facilitating attenuation of the toxic side effects of DOX. These results demonstrated that dual-ligand-modified liposomes may provide an effective strategy for the treatment of hepatocellular carcinoma.
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29
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Paškevičiūtė M, Petrikaitė V. Application of carbonic anhydrase inhibitors to increase the penetration of doxorubicin and its liposomal formulation into 2D and 3D triple negative breast cancer cell cultures. Am J Cancer Res 2020; 10:1761-1769. [PMID: 32642288 PMCID: PMC7339283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 04/25/2020] [Indexed: 06/11/2023] Open
Abstract
The aim of our study was to assess the influence of two carbonic anhydrase (CA) inhibitors (methazolamide (MTZ)) and U-104 on weakly basic anticancer drug doxorubicin (DOX) and pegylated liposomal doxorubicin (PLD) delivery into monolayer-cultured 4T1 murine breast cancer cells (2D cultures) and tumor spheroids (3D cultures) at pH 6.0 and 7.4. The effect of compounds on cell viability was evaluated by MTT assay. Spheroids were formed using 3D Bioprinting method. The penetration of DOX and PLD into cells and spheroids was evaluated using fluorescence microscopy. Both MTZ and U-104 increased the DOX (5 µM) and PLD (concentration corresponding to 5 µM DOX) penetration into monolayer-cultured cells at acidic conditions but did not enhance drug delivery at physiological pH. Pretreatment with U-104 inhibitors also increased DOX and PLD delivery into tumor spheroids. Thus, U-104 may be worthy of further studies as possible transport modulator of weakly basic drugs.
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Affiliation(s)
- Miglė Paškevičiūtė
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health SciencesKaunas, Lithuania
| | - Vilma Petrikaitė
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health SciencesKaunas, Lithuania
- Institute of Physiology and Pharmacology, Faculty of Medicine, Lithuanian University of Health SciencesKaunas, Lithuania
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30
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Ward C, Meehan J, Gray ME, Murray AF, Argyle DJ, Kunkler IH, Langdon SP. The impact of tumour pH on cancer progression: strategies for clinical intervention. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2020; 1:71-100. [PMID: 36046070 PMCID: PMC9400736 DOI: 10.37349/etat.2020.00005] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 02/05/2020] [Indexed: 02/06/2023] Open
Abstract
Dysregulation of cellular pH is frequent in solid tumours and provides potential opportunities for therapeutic intervention. The acidic microenvironment within a tumour can promote migration, invasion and metastasis of cancer cells through a variety of mechanisms. Pathways associated with the control of intracellular pH that are under consideration for intervention include carbonic anhydrase IX, the monocarboxylate transporters (MCT, MCT1 and MCT4), the vacuolar-type H+-ATPase proton pump, and the sodium-hydrogen exchanger 1. This review will describe progress in the development of inhibitors to these targets.
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Affiliation(s)
- Carol Ward
- Cancer Research UK Edinburgh Centre and Edinburgh Pathology, Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, EH4 2XU Edinburgh, UK
| | - James Meehan
- Cancer Research UK Edinburgh Centre and Edinburgh Pathology, Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, EH4 2XU Edinburgh, UK
| | - Mark E Gray
- Royal (Dick) School of Veterinary Studies and Roslin Institute, University of Edinburgh, Easter Bush, EH25 9RG Midlothian, UK
| | - Alan F Murray
- School of Engineering, Institute for Integrated Micro and Nano Systems, EH9 3JL Edinburgh, UK
| | - David J Argyle
- Royal (Dick) School of Veterinary Studies and Roslin Institute, University of Edinburgh, Easter Bush, EH25 9RG Midlothian, UK
| | - Ian H Kunkler
- Cancer Research UK Edinburgh Centre and Edinburgh Pathology, Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, EH4 2XU Edinburgh, UK
| | - Simon P Langdon
- Cancer Research UK Edinburgh Centre and Edinburgh Pathology, Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, EH4 2XU Edinburgh, UK
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31
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Su YF, Zang YF, Wang YH, Ding YL. MiR-19-3p Induces Tumor Cell Apoptosis via Targeting FAS in Rectal Cancer Cells. Technol Cancer Res Treat 2020; 19:1533033820917978. [PMID: 32266860 PMCID: PMC7144672 DOI: 10.1177/1533033820917978] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
MicroRNAs are reported as a vital important factor in cancer cell initiation and progression processes. MicroRNA-19-3p has drawn the attention of many researchers in recent years because of its wide expression and its key role in serious kinds of tumor cells. However, the detailed mechanism of microRNA-19a-3p in these tumors is still poorly understood. So, in the present study, we aimed to explore the biological function and potential molecular mechanism of microRNA-19a-3p in different cancer cells. We first detect the relative level of miR-19a-3p in cancer cell lines and tumor tissues compared to normal cells and tissues. Results indicated the messenger RNA expression of microRNA-19a-3p existing in an aberrant low level in cancer cells and tissues. The overexpression of microRNA-19a-3p significantly reduced the cell proliferation, migration, and invasion ability in HCT116 cells. In addition to this, increased microRNA-19a-3p could induce cell apoptosis via promoting reactive oxygen species (ROS) accumulation, whereas inhibition of microRNA-19a-3p exhibited an opposite effect. Moreover, we predicated the target genes and the binding sites of microRNA-19a-3p and confirmed FAS as the targeting of microRNA-19a-3p through luciferase activity assay. Taken together, these results indicated that microRNA-19a-3p overexpression inhibited HCT116 cell proliferation, migration and invasion, induced cell apoptosis, and ROS accumulation via FAS targeting effect. It was conceivable that microRNA-19a-3p might serve as a potential molecular target for breast and liver cancer treatment.
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Affiliation(s)
- Ying-Feng Su
- Department of Gastrointestinal Surgery, the People’s Hospital of Dezhou, Shandong, China
| | - Yi-Feng Zang
- Department of Gastrointestinal Surgery, the Second Hospital of Shandong University, Jinan, Shandong, China
| | - Yu-Hong Wang
- Department of Neurosurgery, Weifang People’s Hospital, Shandong, China
| | - Yin-Lu Ding
- Department of Gastrointestinal Surgery, the Second Hospital of Shandong University, Jinan, Shandong, China,Yin-Lu Ding, Department of Gastrointestinal Surgery, the Second Hospital of Shandong University, Jinan, Shandong, China.
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32
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Lin Y, Luo C, Shi Y, Ma R, Xia Q, Ding W. The Role of Cariporide in Protecting Saphenous Vein among Different Aldehyde Dehydrogenase Genotypes. Cardiology 2020; 145:456-466. [PMID: 32101865 DOI: 10.1159/000506071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 01/21/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE We aimed to study the effect of cariporide (CP) on protecting the saphenous vein and the role of acetaldehyde dehydrogenase 2 (ALDH2) in coronary artery bypass grafting (CABG). BACKGROUND The saphenous vein is the main graft material used in CABG. Recent studies suggested that CP is effective in protecting against various cardiovascular diseases. METHODS Segments of a surgically removed saphenous vein were used to examine the vascular response to CP. The ALDH2 genotype and expression of related proteins were assessed by Western blotting and immunohistochemistry. RESULTS Among the conditions tested, the University of Wisconsin solution with CP (4°C, 5 min) treatment showed the best protective effect on the saphenous vein. The incidence of major adverse cardiac events was higher in the ALDH2-GA (heterozygous mutant) genotype population after CABG. CONCLUSION CP plays a role in reducing the production of reactive oxygen species and apoptosis by ALDH2-mediated mitochondrial function improvement. The ALDH2 mutant genotype might be one of the risk factors for coronary atherosclerotic heart disease.
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Affiliation(s)
- Yi Lin
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chentao Luo
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yunqing Shi
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Runhua Ma
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qi Xia
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wenjun Ding
- Department of Cardiovascular Surgery, Zhongshan Hospital, Fudan University, Shanghai, China,
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Harguindey S, Alfarouk K, Polo Orozco J, Hardonnière K, Stanciu D, Fais S, Devesa J. A New and Integral Approach to the Etiopathogenesis and Treatment of Breast Cancer Based upon Its Hydrogen Ion Dynamics. Int J Mol Sci 2020; 21:E1110. [PMID: 32046158 PMCID: PMC7036897 DOI: 10.3390/ijms21031110] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/04/2020] [Accepted: 02/06/2020] [Indexed: 12/11/2022] Open
Abstract
Despite all efforts, the treatment of breast cancer (BC) cannot be considered to be a success story. The advances in surgery, chemotherapy and radiotherapy have not been sufficient at all. Indeed, the accumulated experience clearly indicates that new perspectives and non-main stream approaches are needed to better characterize the etiopathogenesis and treatment of this disease. This contribution deals with how the new pH-centric anticancer paradigm plays a fundamental role in reaching a more integral understanding of the etiology, pathogenesis, and treatment of this multifactorial disease. For the first time, the armamentarium available for the treatment of the different types and phases of BC is approached here from a Unitarian perspective-based upon the hydrogen ion dynamics of cancer. The wide-ranged pH-related molecular, biochemical and metabolic model is able to embrace most of the fields and subfields of breast cancer etiopathogenesis and treatment. This single and integrated approach allows advancing towards a unidirectional, concerted and synergistic program of treatment. Further efforts in this line are likely to first improve the therapeutics of each subtype of this tumor and every individual patient in every phase of the disease.
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Affiliation(s)
- Salvador Harguindey
- Institute of Clinical Biology and Metabolism, Postas 13, 01004 Vitoria, Spain;
| | - Khalid Alfarouk
- Al-Ghad International Colleges for Applied Medical Sciences, Al-Madinah Al-Munawarah, Saudi Arabia and Alfarouk Biomedical Research LLC, Tampa, FL 33617, USA;
| | - Julián Polo Orozco
- Institute of Clinical Biology and Metabolism, Postas 13, 01004 Vitoria, Spain;
| | - Kévin Hardonnière
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92290 Châtenay-Malabry, France;
| | - Daniel Stanciu
- Scientific Direction, MCS Foundation For Life, 5623KR Eindhoven, The Netherlands;
| | - Stefano Fais
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità (National Institute of Health), Viale Regina Elena, 299, 00161 Rome, Italy;
| | - Jesús Devesa
- Scientific Direction, Foltra Medical Centre, Travesía de Montouto 24, 15886 Teo, Spain;
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Ma Z, Yuan D, Cheng X, Tuo B, Liu X, Li T. Function of ion transporters in maintaining acid-base homeostasis of the mammary gland and the pathophysiological role in breast cancer. Am J Physiol Regul Integr Comp Physiol 2019; 318:R98-R111. [PMID: 31553634 DOI: 10.1152/ajpregu.00202.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The incidence of breast cancer is increasing year by year, and the pathogenesis is still unclear. Studies have shown that the high metabolism of solid tumors leads to an increase in hypoxia, glycolysis, production of lactic acid and carbonic acid, and extracellular acidification; a harsh microenvironment; and ultimately to tumor cell death. Approximately 50% of locally advanced breast cancers exhibit hypoxia and/or local hypoxia, and acid-base regulatory proteins play an important role in regulating milk secretion and maintaining mammary gland physiological function. Therefore, ion transporters have gradually become a hot topic in mammary gland and breast cancer research. This review focuses on the research progress of ion transporters in mammary glands and breast cancer. We hope to provide new targets for the treatment and prognosis of breast cancer.
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Affiliation(s)
- Zhiyuan Ma
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Dumin Yuan
- Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Digestive Disease Institute of Guizhou Province, Zunyi, China
| | - Xiaoming Cheng
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Biguang Tuo
- Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Digestive Disease Institute of Guizhou Province, Zunyi, China
| | - Xuemei Liu
- Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Digestive Disease Institute of Guizhou Province, Zunyi, China
| | - Taolang Li
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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Tamtaji OR, Mirzaei H, Shamshirian A, Shamshirian D, Behnam M, Asemi Z. New trends in glioma cancer therapy: Targeting Na + /H + exchangers. J Cell Physiol 2019; 235:658-665. [PMID: 31250444 DOI: 10.1002/jcp.29014] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 06/10/2019] [Indexed: 12/20/2022]
Abstract
Glioma is the oneof the most prevalent primarybrain tumors. There is a variety of oxidative stresses, inflammatory pathways, apoptosis signaling, and Na+ /H + exchangers (NHEs) involved in the pathophysiology of glioma. Previous studies have indicated a relationship between NHEs and some molecular pathways in glioma. NHEs, including NHE1, NHE5, and NHE9 affect apoptosis, tumor-associated macrophage inflammatory pathways, matrix metalloproteinases, cancer-cell growth, invasion, and migration of glioma. Also, inhibition of NHEs contributes to increased survival in animal models of glioma. Limited studies, however, have assessed the relationship between NHEs and molecular pathways in glioma. This review summarizes current knowledge and evidence regarding the relationship between NHEs and glioma, and the mechanisms involved.
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Affiliation(s)
- Omid Reza Tamtaji
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Amir Shamshirian
- Department of Medical Laboratory Sciences, Student Research Committee, School of Allied Medical Sciences, Mazandaran University of Medical Sciences, Sari, Iran
| | - Danial Shamshirian
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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