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Duan Z, Zhang X, Liu Y, Wang J, Zhu H, Chen R, Xu W, Miao K. The impact of matched and mismatched donor-recipient genotypes for MDR1 polymorphisms (G2677TA, C1236T and C3435T) on the outcomes of patients after allogeneic haematopoietic stem cell transplantation. Br J Haematol 2024; 205:634-644. [PMID: 38924031 DOI: 10.1111/bjh.19588] [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: 03/14/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024]
Abstract
In this study, we investigated whether matched and mismatched multidrug resistance gene (MDR1) genotypes (G2677TA, C1236T and C3435T) were associated with prognosis in patients after allogeneic haematopoietic stem cell transplantation (allo-HSCT). One hundred patients after transplantation and their donors were enrolled. Matched MDR1 G2677TA donor-recipient was associated with an increased risk of non-relapse mortality (NRM) (29.5% vs. 6.2%, p = 0.002), poor overall survival (OS) (51.7% vs. 63.8%, p = 0.024) and disease-free survival (DFS) (38.6% vs. 67%, p = 0.005). There were no differences in OS, DFS or NRM between MDR1 C1236T- and C3435T-matched and -mismatched groups. Subgroup analysis suggested that within the matched MDR1 G2677TA group, male gender, haematopoietic cell transplantation-specific comorbidity index ≥1, serum creatinine >137.2 μmol/L and post-transplantation thrombocytopenia were associated with poor survival. Our results demonstrated that patients receiving matched MDR1 G2677TA allo-HSCT experienced a poorer prognosis compared with the mismatched group. The potential mechanism may involve increased expression of P-glycoprotein, leading to decreased accumulation of antimicrobial agents and ultimately contributing to the progression of inflammation. This identification of MDR1 G2677TA genotype compatibility holds promise as a valuable molecular tool for selecting donors for allo-HSCT.
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Affiliation(s)
- Ziwen Duan
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Xiao Zhang
- Department of Hematology, The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, Suzhou, China
| | - Yanping Liu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Jiawen Wang
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Han Zhu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Ruize Chen
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Wei Xu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
| | - Kourong Miao
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China
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2
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Baltira C, Aronica E, Elmquist WF, Langer O, Löscher W, Sarkaria JN, Wesseling P, de Gooijer MC, van Tellingen O. The impact of ATP-binding cassette transporters in the diseased brain: Context matters. Cell Rep Med 2024; 5:101609. [PMID: 38897176 PMCID: PMC11228798 DOI: 10.1016/j.xcrm.2024.101609] [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: 08/22/2023] [Revised: 02/20/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024]
Abstract
ATP-binding cassette (ABC) transporters facilitate the movement of diverse molecules across cellular membranes, including those within the CNS. While most extensively studied in microvascular endothelial cells forming the blood-brain barrier (BBB), other CNS cell types also express these transporters. Importantly, disruptions in the CNS microenvironment during disease can alter transporter expression and function. Through this comprehensive review, we explore the modulation of ABC transporters in various brain pathologies and the context-dependent consequences of these changes. For instance, downregulation of ABCB1 may exacerbate amyloid beta plaque deposition in Alzheimer's disease and facilitate neurotoxic compound entry in Parkinson's disease. Upregulation may worsen neuroinflammation by aiding chemokine-mediated CD8 T cell influx into multiple sclerosis lesions. Overall, ABC transporters at the BBB hinder drug entry, presenting challenges for effective pharmacotherapy. Understanding the context-dependent changes in ABC transporter expression and function is crucial for elucidating the etiology and developing treatments for brain diseases.
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Affiliation(s)
- Chrysiida Baltira
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Eleonora Aronica
- Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Neuroscience, Department of (Neuro)Pathology, Amsterdam, the Netherlands; Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede, the Netherlands
| | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Oliver Langer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria; Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Wolfgang Löscher
- Translational Neuropharmacology Lab, NIFE, Department of Experimental Otology of the ENT Clinics, Hannover Medical School, Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
| | - Pieter Wesseling
- Department of Pathology, Amsterdam University Medical Centers, Amsterdam, the Netherlands; Laboratory for Childhood Cancer Pathology, Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Mark C de Gooijer
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands; Faculty of Biology, Medicine and Health, University of Manchester; The Christie NHS Foundation Trust, Manchester, UK.
| | - Olaf van Tellingen
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, the Netherlands; Mouse Cancer Clinic, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
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3
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Villa M, Wu J, Hansen S, Pahnke J. Emerging Role of ABC Transporters in Glia Cells in Health and Diseases of the Central Nervous System. Cells 2024; 13:740. [PMID: 38727275 PMCID: PMC11083179 DOI: 10.3390/cells13090740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/15/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
ATP-binding cassette (ABC) transporters play a crucial role for the efflux of a wide range of substrates across different cellular membranes. In the central nervous system (CNS), ABC transporters have recently gathered significant attention due to their pivotal involvement in brain physiology and neurodegenerative disorders, such as Alzheimer's disease (AD). Glial cells are fundamental for normal CNS function and engage with several ABC transporters in different ways. Here, we specifically highlight ABC transporters involved in the maintenance of brain homeostasis and their implications in its metabolic regulation. We also show new aspects related to ABC transporter function found in less recognized diseases, such as Huntington's disease (HD) and experimental autoimmune encephalomyelitis (EAE), as a model for multiple sclerosis (MS). Understanding both their impact on the physiological regulation of the CNS and their roles in brain diseases holds promise for uncovering new therapeutic options. Further investigations and preclinical studies are warranted to elucidate the complex interplay between glial ABC transporters and physiological brain functions, potentially leading to effective therapeutic interventions also for rare CNS disorders.
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Affiliation(s)
- Maria Villa
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Jingyun Wu
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Stefanie Hansen
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Jens Pahnke
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
- Institute of Nutritional Medicine (INUM)/Lübeck Institute of Dermatology (LIED), University of Lübeck (UzL) and University Medical Center Schleswig-Holstein (UKSH), Ratzeburger Allee 160, D-23538 Lübeck, Germany
- Department of Pharmacology, Faculty of Medicine, University of Latvia (LU), Jelgavas iela 3, LV-1004 Rīga, Latvia
- School of Neurobiology, Biochemistry and Biophysics, The Georg S. Wise Faculty of Life Sciences, Tel Aviv University (TAU), Tel Aviv IL-6997801, Israel
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4
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Jara-Prado A, Guerrero-Camacho JL, Ángeles-López QD, Ochoa-Morales A, Dávila-Ortiz de Montellano DJ, Ramírez-García MÁ, Breda-Yepes M, Durón RM, Delgado-Escueta AV, Barrios-González DA, Martínez-Juárez IE. Association of variants in the ABCB1, CYP2C19 and CYP2C9 genes for Juvenile Myoclonic Epilepsy. Neurol Sci 2024; 45:1635-1643. [PMID: 37875597 DOI: 10.1007/s10072-023-07124-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/06/2023] [Indexed: 10/26/2023]
Abstract
Juvenile myoclonic epilepsy (JME) is the most common of the generalized genetic epilepsies, with multiple causal and susceptibility genes; however, its etiopathogenesis is mainly unknown. The toxic effects caused by xenobiotics in cells occur during their metabolic transformation, mainly by enzymes belonging to cytochrome P450. The elimination of these compounds by transporters of the ABC type protects the central nervous system, but their accumulation causes neuronal damage, resulting in neurological diseases. The present study has sought the association between single nucleotide genetic variants of the CYP2C9, CYP2C19, and ABCB1 genes and the development of JME in patients compared to healthy controls. The CC1236 and GG2677 genotypes of ABCB1 in women; allele G 2677, genotypes GG 2677 and CC 3435 in men; the CYP2C19*2A allele, and the CYP2C19*3G/A genotype in both sexes were found to be risk factors for JME. Furthermore, carriers of the TTGGCC genotype combination of the ABCB1 gene (1236/2677/3435) have a 10.5 times higher risk of developing JME than non-carriers. Using the STRING database, we found an interaction between the proteins encoded by these genes and other possible proteins. These findings indicate that the CYP450 system and ABC transporters could interact with other genes in the JME.
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Affiliation(s)
- Aurelio Jara-Prado
- Genetics Department, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | | | | | - Adriana Ochoa-Morales
- Genetics Department, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | | | | | - Michelle Breda-Yepes
- National Institute of Neurology and Neurosurgery, Epilepsy Clinic, Mexico City, Mexico
| | - Reyna M Durón
- Universidad Tecnológica Centroamericana (UNITEC), Tegucigalpa, Honduras
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5
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Luo SS, Chen XL, Wang AJ, Liu QY, Peng M, Yang CL, Yin CC, Zhu WL, Zeng DG, Zhang B, Zhao YZ, Wang HL. Genome-wide analysis of ATP-binding cassette (ABC) transporter in Penaeus vannamei and identification of two ABC genes involved in immune defense against Vibrio parahaemolyticus by affecting NF-κB signaling pathway. Int J Biol Macromol 2024; 262:129984. [PMID: 38342260 DOI: 10.1016/j.ijbiomac.2024.129984] [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: 09/19/2023] [Revised: 01/23/2024] [Accepted: 01/30/2024] [Indexed: 02/13/2024]
Abstract
The ATP-binding cassette (ABC) transporters have crucial roles in various biological processes such as growth, development and immune defense in eukaryotes. However, the roles of ABC transporters in the immune system of crustaceans remain elusive. In this study, 38 ABC genes were systematically identified and characterized in Penaeus vannamei. Bioinformation analysis revealed that PvABC genes were categorized into ABC A-H eight subfamilies with 17 full-transporters, 11 half transporters and 10 soluble proteins, and multiple immunity-related cis-elements were found in gene promoter regions. Expression analysis showed that most PvABC genes were widely and highly expressed in immune-related tissues and responded to the stimulation of Vibrio parahaemolyticus. To investigate whether PvABC genes mediated innate immunity, PvABCC5, PvABCF1 and PvABCB4 were selected for dsRNA interference experiment. Knockdown of PvABCF1 and PvABCC5 not PvABCB4 increased the cumulative mortality of P. vannamei and bacterial loads in hepatopancreas after infection with V. parahaemolyticus. Further analysis showed that the PvABCF1 and PvABCC5 knockdown decreased expression levels of NF-κB pathway genes and antimicrobial peptides (AMPs). Collectively, these findings indicated that PvABCF1 and PvABCC5 might restrict V. parahaemolyticus challenge by positively regulating NF-κB pathway and then promoting the expression of AMPs, which would contribute to overall understand the function of ABC genes in innate immunity of invertebrates.
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Affiliation(s)
- Shuang-Shuang Luo
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fishery Huazhong Agricultural University, Wuhan 430070, China
| | - Xiu-Li Chen
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China; China (Guangxi)-ASEAN Key Laboratory of Comprehensive Exploitation and Utilization of Aquactic Germplasm Resources, Ministry of Agriculture and Rural Affairs, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Ai-Jin Wang
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fishery Huazhong Agricultural University, Wuhan 430070, China
| | - Qing-Yun Liu
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Min Peng
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Chun-Ling Yang
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Chen-Chen Yin
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fishery Huazhong Agricultural University, Wuhan 430070, China
| | - Wei-Lin Zhu
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Di-Gang Zeng
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Bin Zhang
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China
| | - Yong-Zhen Zhao
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China; China (Guangxi)-ASEAN Key Laboratory of Comprehensive Exploitation and Utilization of Aquactic Germplasm Resources, Ministry of Agriculture and Rural Affairs, Guangxi Academy of Fishery Sciences, Nanning 530021, China.
| | - Huan-Ling Wang
- Key Lab of Freshwater Animal Breeding, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Fishery Huazhong Agricultural University, Wuhan 430070, China.
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Pavlova EN, Lepekha LN, Rybalkina EY, Tarasov RV, Sychevskaya KA, Voronezhskaya EE, Masyutin AG, Ergeshov AE, Erokhina MV. High and Low Levels of ABCB1 Expression Are Associated with Two Distinct Gene Signatures in Lung Tissue of Pulmonary TB Patients with High Inflammation Activity. Int J Mol Sci 2023; 24:14839. [PMID: 37834286 PMCID: PMC10573207 DOI: 10.3390/ijms241914839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/23/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
P-glycoprotein (encoded by the ABCB1 gene) has a dual role in regulating inflammation and reducing chemotherapy efficacy in various diseases, but there are few studies focused on pulmonary TB patients. In this study, our objective was to identify a list of genes that correlate with high and low levels of ABCB1 gene expression in the lungs of pulmonary TB patients with different activity of chronic granulomatous inflammation. We compared gene expression in two groups of samples (with moderate and high activity of tuberculomas) to identify their characteristic gene signatures. Gene expression levels were determined using quantitative PCR in samples of perifocal area of granulomas, which were obtained from 65 patients after surgical intervention. Subsequently, two distinct gene signatures associated with high inflammation activity were identified. The first signature demonstrated increased expression of HIF1a, TGM2, IL6, SOCS3, and STAT3, which correlated with high ABCB1 expression. The second signature was characterized by high expression of TNFa and CD163 and low expression of ABCB1. These results provide insight into various inflammatory mechanisms and association with P-gp gene expression in lung tissue of pulmonary TB patients and will be useful in the development of a host-directed therapy approach to improving the effectiveness of anti-TB treatment.
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Affiliation(s)
- Ekaterina N. Pavlova
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Larisa N. Lepekha
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
| | - Ekaterina Yu. Rybalkina
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
- FSBI N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Ruslan V. Tarasov
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
| | - Ksenia A. Sychevskaya
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
- FSBI N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Elena E. Voronezhskaya
- Koltzov Institute of Developmental Biology of Russian Academy of Sciences, 119334 Moscow, Russia
| | - Alexander G. Masyutin
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Atadzhan E. Ergeshov
- Director of the Institute, Central Tuberculosis Research Institute, 2 Yauzskaya Alleya, 107564 Moscow, Russia;
| | - Maria V. Erokhina
- Central Tuberculosis Research Institute, 107564 Moscow, Russia; (E.N.P.); (A.G.M.)
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia
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7
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Fan J, To KKW, Chen ZS, Fu L. ABC transporters affects tumor immune microenvironment to regulate cancer immunotherapy and multidrug resistance. Drug Resist Updat 2023; 66:100905. [PMID: 36463807 DOI: 10.1016/j.drup.2022.100905] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/16/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022]
Abstract
Multidrug resistance (MDR) is the phenomenon in which cancer cells simultaneously develop resistance to a broad spectrum of structurally and mechanistically unrelated drugs. MDR severely hinders the effective treatment of cancer and is the major cause of chemotherapy failure. ATP-binding cassette (ABC) transporters are extensively expressed in various body tissues, and actively transport endogenous and exogenous substrates through biological membranes. Overexpression of ABC transporters is frequently observed in MDR cancer cells, which promotes efflux of chemotherapeutic drugs and reduces their intracellular accumulation. Increasing evidence suggests that ABC transporters regulate tumor immune microenvironment (TIME) by transporting various cytokines, thus controlling anti-tumor immunity and sensitivity to anticancer drugs. On the other hand, the expression of various ABC transporters is regulated by cytokines and other immune signaling molecules. Targeted inhibition of ABC transporter expression or function can enhance the efficacy of immune checkpoint inhibitors by promoting anticancer immune microenvironment. This review provides an update on the recent research progress in this field.
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Affiliation(s)
- Jingyi Fan
- State Key Laboratory of Oncology in South China;Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou 510060, China; Department of pharmacy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China; Beijing Key Laboratory of Bio-characteristic Profiling for Evaluation of Rational Drug Use, Beijing 100038, China
| | - Kenneth Kin Wah To
- School of Pharmacy, The Chinese University of Hong Kong, Hong Kong, China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States.
| | - Liwu Fu
- State Key Laboratory of Oncology in South China;Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou 510060, China.
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Kotlyarov S, Kotlyarova A. Clinical Significance of Lipid Transport Function of ABC Transporters in the Innate Immune System. MEMBRANES 2022; 12:1083. [PMID: 36363640 PMCID: PMC9698216 DOI: 10.3390/membranes12111083] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
ABC transporters are a large family of proteins that transport a variety of substrates across cell plasma membranes. Because of this, they are involved in many physiological processes. It is of interest to note that many ABC transporters are involved in the transport of various lipids. In addition, this function may be related to the innate immune system. The evidence that ABC transporters are involved in the regulation of the innate immune system through the transport of various substances greatly enhances the understanding of their clinical significance. ABC transporters are involved in the cellular homeostasis of cholesterol as well as in the regulation of its content in lipid rafts. Through these mechanisms, they can regulate the function of membrane proteins, including receptors of the innate immune system. By regulating lipid transport, some members of ABC transporters are involved in phagocytosis. In addition, ABC transporters are involved in the transport of lipopolysaccharide, lipid mediators of inflammation, and perform other functions in the innate immune system.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
| | - Anna Kotlyarova
- Department of Pharmacy Management and Economics, Ryazan State Medical University, 390026 Ryazan, Russia
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Guerrero Camacho JL, Corona Vázquez T, Flores Rivera JJ, Ochoa Morales A, Martínez Ruano L, Torres Ramírez de Arellano I, Dávila Ortiz de Montellano DJ, Jara Prado A. ABCB1 gene variants as risk factors and modulators of age of onset of demyelinating disease in Mexican patients. NEUROLOGÍA (ENGLISH EDITION) 2022; 38:65-74. [PMID: 35256320 DOI: 10.1016/j.nrleng.2020.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/05/2020] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION The C1236T, G2677T/A, and C3435T variants of the ABCB1 gene alter the functioning of P-glycoprotein and the transport of endogenous and exogenous substances across the blood-brain barrier, and act as risk factors for some neurodegenerative diseases. This study aimed to determine the association between demyelinating disease and the C1236T, G2677T/A, and C3435T variants of ABCB1 and its haplotypes and combinations of genotypes. METHODS Polymerase chain reaction with restriction fragment length polymorphism analysis (PCR-RFLP) and Sanger sequencing were used to genotype 199 patients with demyelinating disease and 200 controls, all Mexicans of mixed race; frequencies of alleles, genotypes, haplotypes, and genotype combinations were compared between patients and controls. We conducted a logistic regression analysis and calculated chi-square values and 95% confidence intervals (CI); odds ratios (OR) were calculated to evaluate the association with demyelinating disease. RESULTS The TTT and CGC haplotypes were most frequent in both patients and controls. The G2677 allele was associated with demyelinating disease (OR: 1.79; 95% CI, 1.12-2.86; P = .015), as were the genotypes GG2677 (OR: 2.72; 95% CI, 1.11-6.68; P = .025) and CC3435 (OR: 1.82; 95% CI, 1.15-2.90; P = .010), the combination GG2677/CC3435 (OR: 2.02; 95% CI, 1.17-3.48; P = .010), and the CAT haplotype (OR: 0.21; 95% CI, 0.05-0.66; P = .001). TTTTTT carriers presented the earliest age of onset (23.0 ± 7.7 years, vs 31.6 ± 10.7; P = .0001). CONCLUSIONS The GG2677/CC3435 genotype combination is associated with demyelinating disease in this sample, particularly among men, who may present toxic accumulation of P-glycoprotein substrates. In our study, the G2677 allele of ABCB1 may differentially modulate age of onset of demyelinating disease in men and women.
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Affiliation(s)
- J L Guerrero Camacho
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - T Corona Vázquez
- Laboratorio Clínico de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - J J Flores Rivera
- Laboratorio Clínico de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - A Ochoa Morales
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - L Martínez Ruano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - I Torres Ramírez de Arellano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - D J Dávila Ortiz de Montellano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico
| | - A Jara Prado
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, Mexico.
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Al Rihani SB, Darakjian LI, Deodhar M, Dow P, Turgeon J, Michaud V. Disease-Induced Modulation of Drug Transporters at the Blood-Brain Barrier Level. Int J Mol Sci 2021; 22:ijms22073742. [PMID: 33916769 PMCID: PMC8038419 DOI: 10.3390/ijms22073742] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 02/07/2023] Open
Abstract
The blood–brain barrier (BBB) is a highly selective and restrictive semipermeable network of cells and blood vessel constituents. All components of the neurovascular unit give to the BBB its crucial and protective function, i.e., to regulate homeostasis in the central nervous system (CNS) by removing substances from the endothelial compartment and supplying the brain with nutrients and other endogenous compounds. Many transporters have been identified that play a role in maintaining BBB integrity and homeostasis. As such, the restrictive nature of the BBB provides an obstacle for drug delivery to the CNS. Nevertheless, according to their physicochemical or pharmacological properties, drugs may reach the CNS by passive diffusion or be subjected to putative influx and/or efflux through BBB membrane transporters, allowing or limiting their distribution to the CNS. Drug transporters functionally expressed on various compartments of the BBB involve numerous proteins from either the ATP-binding cassette (ABC) or the solute carrier (SLC) superfamilies. Pathophysiological stressors, age, and age-associated disorders may alter the expression level and functionality of transporter protein elements that modulate drug distribution and accumulation into the brain, namely, drug efficacy and toxicity. This review focuses and sheds light on the influence of inflammatory conditions and diseases such as Alzheimer’s disease, epilepsy, and stroke on the expression and functionality of the BBB drug transporters, the consequential modulation of drug distribution to the brain, and their impact on drug efficacy and toxicity.
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Affiliation(s)
- Sweilem B. Al Rihani
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
| | - Lucy I. Darakjian
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
| | - Malavika Deodhar
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
| | - Pamela Dow
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
| | - Jacques Turgeon
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
- Faculty of Pharmacy, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Veronique Michaud
- Tabula Rasa HealthCare, Precision Pharmacotherapy Research and Development Institute, Orlando, FL 32827, USA; (S.B.A.R.); (L.I.D.); (M.D.); (P.D.); (J.T.)
- Faculty of Pharmacy, Université de Montréal, Montreal, QC H3C 3J7, Canada
- Correspondence: ; Tel.: +1-856-938-8697
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11
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Kaufmann M, Evans H, Schaupp AL, Engler JB, Kaur G, Willing A, Kursawe N, Schubert C, Attfield KE, Fugger L, Friese MA. Identifying CNS-colonizing T cells as potential therapeutic targets to prevent progression of multiple sclerosis. MED 2021; 2:296-312.e8. [PMID: 33748804 PMCID: PMC7966680 DOI: 10.1016/j.medj.2021.01.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/17/2020] [Accepted: 01/26/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Multiple sclerosis (MS), an autoimmune disease of the central nervous system (CNS), can be suppressed in its early stages but eventually becomes clinically progressive and unresponsive to therapy. Here, we investigate whether the therapeutic resistance of progressive MS can be attributed to chronic immune cell accumulation behind the blood-brain barrier (BBB). METHODS We systematically track CNS-homing immune cells in the peripheral blood of 31 MS patients and 31 matched healthy individuals in an integrated analysis of 497,705 single-cell transcriptomes and 355,433 surface protein profiles from 71 samples. Through spatial RNA sequencing, we localize these cells in post mortem brain tissue of 6 progressive MS patients contrasted against 4 control brains (20 samples, 85,000 spot transcriptomes). FINDINGS We identify a specific pathogenic CD161+/lymphotoxin beta (LTB)+ T cell population that resides in brains of progressive MS patients. Intriguingly, our data suggest that the colonization of the CNS by these T cells may begin earlier in the disease course, as they can be mobilized to the blood by usage of the integrin-blocking antibody natalizumab in relapsing-remitting MS patients. CONCLUSIONS As a consequence, we lay the groundwork for a therapeutic strategy to deplete CNS-homing T cells before they can fuel treatment-resistant progression. FUNDING This study was supported by funding from the University Medical Center Hamburg-Eppendorf, the Stifterverband für die Deutsche Wissenschaft, the OAK Foundation, Medical Research Council UK, and Wellcome.
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Affiliation(s)
- Max Kaufmann
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Hayley Evans
- Oxford Centre for Neuroinflammation, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Anna-Lena Schaupp
- Oxford Centre for Neuroinflammation, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Jan Broder Engler
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Gurman Kaur
- Oxford Centre for Neuroinflammation, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Anne Willing
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Nina Kursawe
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Charlotte Schubert
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Kathrine E. Attfield
- Oxford Centre for Neuroinflammation, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Lars Fugger
- Oxford Centre for Neuroinflammation, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Manuel A. Friese
- Institut für Neuroimmunologie und Multiple Sklerose, Zentrum für Molekulare Neurobiologie Hamburg, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
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12
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Zhang L, Graf I, Kuang Y, Zheng X, Haupt M, Majid A, Kilic E, Hermann DM, Psychogios MN, Weber MS, Ochs J, Bähr M, Doeppner TR. Neural Progenitor Cell-Derived Extracellular Vesicles Enhance Blood-Brain Barrier Integrity by NF-κB (Nuclear Factor-κB)-Dependent Regulation of ABCB1 (ATP-Binding Cassette Transporter B1) in Stroke Mice. Arterioscler Thromb Vasc Biol 2020; 41:1127-1145. [PMID: 33327747 PMCID: PMC7901534 DOI: 10.1161/atvbaha.120.315031] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Supplemental Digital Content is available in the text. Objective: Extracellular vesicles (EVs) derived from neural progenitor cells enhance poststroke neurological recovery, albeit the underlying mechanisms remain elusive. Since previous research described an enhanced poststroke integrity of the blood-brain barrier (BBB) upon systemic transplantation of neural progenitor cells, we examined if neural progenitor cell-derived EVs affect BBB integrity and which cellular mechanisms are involved in the process. Approach and Results: Using in vitro models of primary brain endothelial cell (EC) cultures as well as co-cultures of brain ECs (ECs) and astrocytes exposed to oxygen glucose deprivation, we examined the effects of EVs or vehicle on microvascular integrity. In vitro data were confirmed using a mouse transient middle cerebral artery occlusion model. Cultured ECs displayed increased ABCB1 (ATP-binding cassette transporter B1) levels when exposed to oxygen glucose deprivation, which was reversed by treatment with EVs. The latter was due to an EV-induced inhibition of the NF-κB (nuclear factor-κB) pathway. Using a BBB co-culture model of ECs and astrocytes exposed to oxygen glucose deprivation, EVs stabilized the BBB and ABCB1 levels without affecting the transcellular electrical resistance of ECs. Likewise, EVs yielded reduced Evans blue extravasation, decreased ABCB1 expression as well as an inhibition of the NF-κB pathway, and downstream matrix metalloproteinase 9 (MMP-9) activity in stroke mice. The EV-induced inhibition of the NF-κB pathway resulted in a poststroke modulation of immune responses. Conclusions: Our findings suggest that EVs enhance poststroke BBB integrity via ABCB1 and MMP-9 regulation, attenuating inflammatory cell recruitment by inhibition of the NF-κB pathway.
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Affiliation(s)
- Lin Zhang
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Irina Graf
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Yaoyun Kuang
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Xuan Zheng
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Matteo Haupt
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Arshad Majid
- Sheffield Institute for Translational Neuroscience, University of Sheffield, United Kingdom (A.M.)
| | - Ertugrul Kilic
- Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Turkey (E.K., T.R.D.)
| | - Dirk M Hermann
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (D.M.H.)
| | | | - Martin S Weber
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany.,Department of Neuropathology (M.S.W., J.O.), University Medical Center Göttingen, Germany
| | - Jasmin Ochs
- Department of Neuropathology (M.S.W., J.O.), University Medical Center Göttingen, Germany
| | - Mathias Bähr
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany
| | - Thorsten R Doeppner
- Department of Neurology (L.Z., I.G., Y.K., X.Z., M.H., M.S.W., M.B., T.R.D.), University Medical Center Göttingen, Germany.,Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Turkey (E.K., T.R.D.)
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13
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Seelig A. P-Glycoprotein: One Mechanism, Many Tasks and the Consequences for Pharmacotherapy of Cancers. Front Oncol 2020; 10:576559. [PMID: 33194688 PMCID: PMC7649427 DOI: 10.3389/fonc.2020.576559] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/31/2020] [Indexed: 12/31/2022] Open
Abstract
P-glycoprotein or multidrug resistance protein (MDR1) is an adenosine triphosphate (ATP) binding cassette transporter (ABCB1) intensely investigated because it is an obstacle to successful pharmacotherapy of cancers. P-glycoprotein prevents cellular uptake of a large number of structurally and functionally diverse compounds, including most cancer therapeutics and in this way causes multidrug resistance (MDR). To overcome MDR, and thus improve cancer treatment, an understanding of P-glycoprotein inhibition at the molecular level is required. With this goal in mind, we propose rules that predict whether a compound is a modulator, substrate, inhibitor, or inducer of P-glycoprotein. This new set of rules is derived from a quantitative analysis of the drug binding and transport properties of P-glycoprotein. We further discuss the role of P-glycoprotein in immune surveillance and cell metabolism. Finally, the predictive power of the proposed rules is demonstrated with a set of FDA approved drugs which have been repurposed for cancer therapy.
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Affiliation(s)
- Anna Seelig
- Biozentrum, University of Basel, Basel, Switzerland
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14
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Koetzier SC, van Langelaar J, Blok KM, van den Bosch TPP, Wierenga-Wolf AF, Melief MJ, Pol K, Siepman TA, Verjans GMGM, Smolders J, Lubberts E, de Vries HE, van Luijn MM. Brain-homing CD4 + T cells display glucocorticoid-resistant features in MS. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2020; 7:7/6/e894. [PMID: 33037101 PMCID: PMC7577536 DOI: 10.1212/nxi.0000000000000894] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/20/2020] [Indexed: 12/20/2022]
Abstract
Objective To study whether glucocorticoid (GC) resistance delineates disease-relevant T helper (Th) subsets that home to the CNS of patients with early MS. Methods The expression of key determinants of GC sensitivity, multidrug resistance protein 1 (MDR1/ABCB1) and glucocorticoid receptor (GR/NR3C1), was investigated in proinflammatory Th subsets and compared between natalizumab-treated patients with MS and healthy individuals. Blood, CSF, and brain compartments from patients with MS were assessed for the recruitment of GC-resistant Th subsets using fluorescence-activated cell sorting (FACS), quantitative polymerase chain reaction (qPCR), immunohistochemistry, and immunofluorescence. Results An MS-associated Th subset termed Th17.1 showed a distinct GC-resistant phenotype as reflected by high MDR1 and low GR expression. This expression ratio was further elevated in Th17.1 cells that accumulated in the blood of patients with MS treated with natalizumab, a drug that prevents their entry into the CNS. Proinflammatory markers C-C chemokine receptor 6, IL-23R, IFN-γ, and GM-CSF were increased in MDR1-expressing Th17.1 cells. This subset predominated the CSF of patients with early MS, which was not seen in the paired blood or in the CSF from patients with other inflammatory and noninflammatory neurologic disorders. The potential of MDR1-expressing Th17.1 cells to infiltrate brain tissue was confirmed by their presence in MS white matter lesions. Conclusion This study reveals that GC resistance coincides with preferential CNS recruitment of pathogenic Th17.1 cells, which may hamper the long-term efficacy of GCs in early MS.
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Affiliation(s)
- Steven C Koetzier
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Jamie van Langelaar
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Katelijn M Blok
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Thierry P P van den Bosch
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Annet F Wierenga-Wolf
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Marie-José Melief
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Kim Pol
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Theodora A Siepman
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Georges M G M Verjans
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Joost Smolders
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Erik Lubberts
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Helga E de Vries
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands
| | - Marvin M van Luijn
- From the Departments of Immunology (S.C.K., J.v.L., A.F.W.-W., M.-J.M., K.P., J.S., M.M.v.L.); Neurology (K.M.B, T.A.S., J.S.); Pathology (T.P.P.v.d.B.); Viroscience (G.M.G.M.V.); Rheumatology (E.L.); and MS Center ErasMS at Erasmus MC (S.C.K, J.v.L., K.M.B., A.F.W.-W, M.-J.M., K.P., T.A.S., J.S., M.M.v.L.), University Medical Center, Rotterdam, The Netherlands; Research Center for Emerging Infections and Zoonosis (G.M.G.M.V.), University of Veterinary Medicine, Hannover, Germany; Department of Neuroimmunology (J.S.), Netherlands Institute for Neuroscience, Amsterdam; Department of Molecular Cell Biology and Immunology (H.E.d.V.), Amsterdam University Medical Center, MS Center Amsterdam, Amsterdam Neuroscience, the Netherlands.
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Guerrero Camacho JL, Corona Vázquez T, Flores Rivera JJ, Ochoa Morales A, Martínez Ruano L, Torres Ramírez de Arellano I, Dávila Ortiz de Montellano DJ, Jara Prado A. ABCB1 gene variants as risk factors and modulators of age of onset of demyelinating disease in Mexican patients. Neurologia 2020; 38:S0213-4853(20)30216-4. [PMID: 32912743 DOI: 10.1016/j.nrl.2020.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/28/2020] [Accepted: 05/05/2020] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION The C1236T, G2677T/A, and C3435T variants of the ABCB1 gene alter the functioning of P-glycoprotein and the transport of endogenous and exogenous substances across the blood-brain barrier, and act as risk factors for some neurodegenerative diseases. This study aimed to determine the association between demyelinating disease and the C1236T, G2677T/A, and C3435T variants of ABCB1 and its haplotypes and combinations of genotypes. METHODS Polymerase chain reaction with restriction fragment length polymorphism analysis (PCR-RFLP) and Sanger sequencing were used to genotype 199 patients with demyelinating disease and 200 controls, all Mexicans of mixed race; frequencies of alleles, genotypes, haplotypes, and genotype combinations were compared between patients and controls. We conducted a logistic regression analysis and calculated chi-square values and 95% confidence intervals (CI); odds ratios (OR) were calculated to evaluate the association with demyelinating disease. RESULTS The TTT and CGC haplotypes were most frequent in both patients and controls. The G2677 allele was associated with demyelinating disease (OR: 1.79; 95% CI: 1.12-2.86; P=.015), as were the genotypes GG2677 (OR: 2.72; 95% CI: 1.11-6.68; P=.025) and CC3435 (OR: 1.82; 95% CI: 1.15-2.90; P=.010), the combination GG2677/CC3435 (OR: 2.02; 95% CI, 1.17-3.48; P=.010), and the CAT haplotype (OR: 0.21; 95% CI: 0.05-0.66; P=.001). TTTTTT carriers presented the earliest age of onset (23.0±7.7 years, vs. 31.6±10.7; P=.0001). CONCLUSIONS The GG2677/CC3435 genotype combination is associated with demyelinating disease in this sample, particularly among men, who may present toxic accumulation of P-glycoprotein substrates. In our study, the G2677 allele of ABCB1 may differentially modulate age of onset of demyelinating disease in men and women.
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Affiliation(s)
- J L Guerrero Camacho
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - T Corona Vázquez
- Laboratorio Clínico de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - J J Flores Rivera
- Laboratorio Clínico de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - A Ochoa Morales
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - L Martínez Ruano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - I Torres Ramírez de Arellano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - D J Dávila Ortiz de Montellano
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México
| | - A Jara Prado
- Departamento de Genética, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, México.
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16
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Martinelli LM, Fontes KN, Reginatto MW, Andrade CBV, Monteiro VRS, Gomes HR, Silva-Filho JL, Pinheiro AAS, Vago AR, Almeida FRCL, Bloise FF, Matthews SG, Ortiga-Carvalho TM, Bloise E. Malaria in pregnancy regulates P-glycoprotein (P-gp/Abcb1a) and ABCA1 efflux transporters in the Mouse Visceral Yolk Sac. J Cell Mol Med 2020; 24:10636-10647. [PMID: 32779889 PMCID: PMC7521277 DOI: 10.1111/jcmm.15682] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 06/09/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022] Open
Abstract
Malaria in pregnancy (MiP) induces intrauterine growth restriction (IUGR) and preterm labour (PTL). However, its effects on yolk sac morphology and function are largely unexplored. We hypothesized that MiP modifies yolk sac morphology and efflux transport potential by modulating ABC efflux transporters. C57BL/6 mice injected with Plasmodium berghei ANKA (5 × 105 infected erythrocytes) at gestational day (GD) 13.5 were subjected to yolk sac membrane harvesting at GD 18.5 for histology, qPCR and immunohistochemistry. MiP did not alter the volumetric proportion of the yolk sac's histological components. However, it increased levels of Abcb1a mRNA (encoding P‐glycoprotein) and macrophage migration inhibitory factor (Mif chemokine), while decreasing Abcg1 (P < 0.05); without altering Abca1, Abcb1b, Abcg2, Snat1, Snat2, interleukin (Il)‐1β and C‐C Motif chemokine ligand 2 (Ccl2). Transcripts of Il‐6, chemokine (C‐X‐C motif) ligand 1 (Cxcl1), Glut1 and Snat4 were not detectible. ABCA1, ABCG1, breast cancer resistance protein (BCRP) and P‐gp were primarily immunolocalized to the cell membranes and cytoplasm of endodermic epithelium but also in the mesothelium and in the endothelium of mesodermic blood vessels. Intensity of P‐gp labelling was stronger in both endodermic epithelium and mesothelium, whereas ABCA1 labelling increased in the endothelium of the mesodermic blood vessels. The presence of ABC transporters in the yolk sac wall suggests that this fetal membrane acts as an important protective gestational barrier. Changes in ABCA1 and P‐gp in MiP may alter the biodistribution of toxic substances, xenobiotics, nutrients and immunological factors within the fetal compartment and participate in the pathogenesis of malaria‐induced IUGR and PTL.
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Affiliation(s)
- Lilian M Martinelli
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Klaus N Fontes
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mila W Reginatto
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cherley B V Andrade
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Victoria R S Monteiro
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Hanailly R Gomes
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Joao L Silva-Filho
- Laboratory of Immunology and Biochemistry of Parasitic Diseases, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana A S Pinheiro
- Laboratory of Immunology and Biochemistry of Parasitic Diseases, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Annamaria R Vago
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Fernanda R C L Almeida
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Flavia F Bloise
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Stephen G Matthews
- Department of Physiology, University of Toronto, Toronto, ON, Canada.,Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada.,Department of Medicine, University of Toronto, Toronto, ON, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
| | - Tania M Ortiga-Carvalho
- Laboratory of Translational Endocrinology, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Enrrico Bloise
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
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17
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van Vliet EA, Iyer AM, Mesarosova L, Çolakoglu H, Anink JJ, van Tellingen O, Maragakis NJ, Shefner J, Bunt T, Aronica E. Expression and Cellular Distribution of P-Glycoprotein and Breast Cancer Resistance Protein in Amyotrophic Lateral Sclerosis Patients. J Neuropathol Exp Neurol 2020; 79:266-276. [PMID: 31999342 PMCID: PMC7036662 DOI: 10.1093/jnen/nlz142] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 11/23/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
For amyotrophic lateral sclerosis (ALS), achieving and maintaining effective drug levels in the brain is challenging due to the activity of ATP-binding cassette (ABC) transporters which efflux drugs that affect drug exposure and response in the brain. We investigated the expression and cellular distribution of the ABC transporters P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP) using immunohistochemistry in spinal cord (SC), motor cortex, and cerebellum from a large cohort of genetically well characterized ALS patients (n = 25) and controls (n = 14). The ALS group included 17 sporadic (sALS) and 8 familial (fALS) patients. Strong P-gp expression was observed in endothelial cells in both control and ALS specimens. Immunohistochemical analysis showed higher P-gp expression in reactive astroglial cells in both gray (ventral horn) and white matter of the SC, as well as in the motor cortex of all ALS patients, as compared with controls. BCRP expression was higher in glia in the SC and in blood vessels and glia in the motor cortex of ALS patients, as compared with controls. P-gp and BCRP immunoreactivity did not differ between sALS and fALS cases. The upregulation of both ABC transporters in the brain may explain multidrug resistance in ALS patients and has implications for the use of both approved and experimental therapeutics.
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Affiliation(s)
- Erwin A van Vliet
- From the Amsterdam UMC, University of Amsterdam, Department of (Neuro)Pathology, Amsterdam Neuroscience.,Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam
| | - Anand M Iyer
- From the Amsterdam UMC, University of Amsterdam, Department of (Neuro)Pathology, Amsterdam Neuroscience
| | - Lucia Mesarosova
- From the Amsterdam UMC, University of Amsterdam, Department of (Neuro)Pathology, Amsterdam Neuroscience
| | - Hilal Çolakoglu
- Division of Pharmacology, The Netherlands Cancer Institute (HÇ, OvT), Amsterdam, The Netherlands
| | - Jasper J Anink
- From the Amsterdam UMC, University of Amsterdam, Department of (Neuro)Pathology, Amsterdam Neuroscience
| | - Olaf van Tellingen
- Division of Pharmacology, The Netherlands Cancer Institute (HÇ, OvT), Amsterdam, The Netherlands
| | - Nicholas J Maragakis
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jeremy Shefner
- Department of Neurology, Barrow Neurological Institute, Phoenix, Arizona
| | - Ton Bunt
- Izumi Biosciences, Inc., Lexington, Massachusetts
| | - Eleonora Aronica
- From the Amsterdam UMC, University of Amsterdam, Department of (Neuro)Pathology, Amsterdam Neuroscience
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18
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Robinson K, Tiriveedhi V. Perplexing Role of P-Glycoprotein in Tumor Microenvironment. Front Oncol 2020; 10:265. [PMID: 32195185 PMCID: PMC7066112 DOI: 10.3389/fonc.2020.00265] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/17/2020] [Indexed: 12/22/2022] Open
Abstract
Development of multidrug resistance (MDR) still remains a major obstacle to the long-term success of cancer therapy. P-glycoprotein (P-gp) is a well-identified membrane transporter with capability to efflux drug molecules out of the cancer cell leading to reduced efficiency of chemotherapy. Cancer cells upregulate P-gp expression as an adaptive response to evade chemotherapy mediated cell death. While several P-gp inhibitors have been discovered by in silico and pre-clinical studies, very few have successfully passed all phases of the clinical trials. Studies show that application of P-gp inhibitors in cancer therapy regimen following development of MDR achieved limited beneficial outcomes. While, the non-specific substrate binding to P-gp has made the drug-design a challenge, a bigger perplexing challenge comes from its role in tumor immunology. Expression of P-gp was noted immune cell phenotypes with apparently antagonistic functionality. Both pro-tumor MΦ2-macrophages and, anti-tumor NK-cell and Th17/CD4+T cell subsets have shown enhanced expression of P-gp. While drug based inhibition of P-gp in pro-tumor immune cell phenotypes could promote tumor elimination, however, it would not be a rational choice to exert inhibition of P-gp on anti-tumor immune cell phenotypes. This mutually exclusive paradigm of P-gp functionality requires a more comprehensive and detailed understanding of its role in tumor microenvironment with active interplay of cancer and immune cells in the tumor mileu. In this review, we focus on the current understanding of the role of P-gp in cancer cells and immune cells and finally attempt to highlight some caveats in the current understanding of its role in comprehensive tumor microenvironment along with challenges in the development of P-gp inhibitors toward anti-cancer therapy.
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Affiliation(s)
- Kianna Robinson
- Department of Biological Sciences, Tennessee State University, Nashville, TN, United States
| | - Venkataswarup Tiriveedhi
- Department of Biological Sciences, Tennessee State University, Nashville, TN, United States.,Department of Pharmacology, Vanderbilt University, Nashville, TN, United States
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19
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Jha NK, Kar R, Niranjan R. ABC Transporters in Neurological Disorders: An Important Gateway for Botanical Compounds Mediated Neuro-Therapeutics. Curr Top Med Chem 2019; 19:795-811. [PMID: 30977450 DOI: 10.2174/1568026619666190412121811] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 02/27/2019] [Accepted: 03/07/2019] [Indexed: 12/13/2022]
Abstract
Neurodegeneration is a distinguishing feature of many age related disorders and other vector borne neuroinflammatory diseases. There are a number of factors that can modulate the pathology of these disorders. ATP-binding cassette (ABC) transporters are primarily involved in the maintenance of normal brain homeostasis by eliminating toxic peptides and compounds from the brain. Also, ABC transporters protect the brain from the unwanted effects of endogenous and exogenous toxins that can enter the brain parenchyma. Therefore, these transporters have the ability to determine the pathological outcomes of several neurological disorders. For instance, ABC transporters like P-glycoprotein (ABCB1), and BCRP (ABCG2) have been reported to facilitate the clearance of peptides such as amyloid-β (Aβ) that accumulate in the brain during Alzheimer's disease (AD) progression. Other members such as ABCA1, ABCA2, ABCC8, ABCC9, ABCG1 and ABCG4 also have been reported to be involved in the progression of various brain disorders such as HIV-associated dementia, Multiple sclerosis (MS), Ischemic stroke, Japanese encephalitis (JE) and Epilepsy. However, these defective transporters can be targeted by numerous botanical compounds such as Verapamil, Berberine and Fascalpsyn as a therapeutic target to treat these neurological outcomes. These compounds are already reported to modulate ABC transporter activity in the CNS. Nonetheless, the exact mechanisms involving the ABC transporters role in normal brain functioning, their role in neuronal dysfunction and how these botanical compounds ensure and facilitate their therapeutic action in association with defective transporters still remain elusive. This review therefore, summarizes the role of ABC transporters in neurological disorders, with a special emphasis on its role in AD brains. The prospect of using botanical/natural compounds as modulators of ABC transporters in neurological disorders is discussed in the latter half of the article.
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Affiliation(s)
- Niraj Kumar Jha
- Department of Biotechnology, Noida Institute of Engineering & Technology (NIET), Greater Noida, India
| | - Rohan Kar
- Department of Biotechnology, Noida Institute of Engineering & Technology (NIET), Greater Noida, India
| | - Rituraj Niranjan
- Unit of Microbiology and Molecular Biology, ICMR-Vector Control Research Center, Puducherry-605006, India
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20
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Zhang W, Liu M, Yang L, Huang F, Lan Y, Li H, Wu H, Zhang B, Shi H, Wu X. P-glycoprotein Inhibitor Tariquidar Potentiates Efficacy of Astragaloside IV in Experimental Autoimmune Encephalomyelitis Mice. Molecules 2019; 24:molecules24030561. [PMID: 30717494 PMCID: PMC6384695 DOI: 10.3390/molecules24030561] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 02/07/2023] Open
Abstract
ATP-binding cassette (ABC) transporters, such as P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP), often reduce drug efficacy and are the major cause of drug resistance. Astragaloside IV (ASIV), one of the bioactive saponins isolated from Astragalus membranaceus, has been demonstrated to alleviate the progression of experimental autoimmune encephalomyelitis (EAE) in mice, an animal model for multiple sclerosis (MS). In the present study, we found for the first time that ASIV induced the upregulation of P-gp and BCRP in the central nervous system (CNS) microvascular endothelial cells of EAE mice. Further study disclosed that tariquidar, a P-gp inhibitor, could facilitate the penetration of ASIV into CNS. On bEnd.3 cells, a mouse brain microvascular endothelial cell line, tariquidar benefited the net uptake and transport of ASIV. Additional molecular docking experiment suggested that ASIV might be a potential substrate of P-gp. In EAE mice, tariquidar was demonstrated to enhance the efficacy of ASIV, as shown by attenuated clinical symptom and reduced incidence rate as well as mitigated inflammatory infiltration and decreased demyelination in the CNS. Collectively, our findings implicate that P-gp inhibitor can promote the therapeutic efficacy of ASIV on EAE mice, which may boost its clinical usage together with ASIV in the therapy of MS.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- ATP Binding Cassette Transporter, Subfamily G, Member 2/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 2/metabolism
- Animals
- Blood-Brain Barrier
- Cell Line
- Drug Synergism
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Endothelial Cells/drug effects
- Endothelial Cells/metabolism
- Female
- Mice
- Molecular Conformation
- Molecular Docking Simulation
- Molecular Dynamics Simulation
- Quinolines/chemistry
- Quinolines/metabolism
- Quinolines/pharmacokinetics
- Saponins/chemistry
- Saponins/metabolism
- Saponins/pharmacology
- Substrate Specificity
- Triterpenes/chemistry
- Triterpenes/metabolism
- Triterpenes/pharmacology
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Affiliation(s)
- Wei Zhang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Mei Liu
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Liu Yang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Fei Huang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Yunyi Lan
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Hongli Li
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Hui Wu
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Beibei Zhang
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Hailian Shi
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Xiaojun Wu
- Shanghai Key Laboratory of Compound Chinese Medicines, the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines, the State Administration of TCM (SATCM) Key Laboratory for New Resources and Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Functional characterization of two ABC transporters in Sinonovacula constricta gills and their barrier action in response to pathogen infection. Int J Biol Macromol 2019; 121:443-453. [DOI: 10.1016/j.ijbiomac.2018.10.047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 10/11/2018] [Accepted: 10/11/2018] [Indexed: 11/21/2022]
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22
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Abstract
The transport of specific molecules across lipid membranes is an essential function of all living organisms. The processes are usually mediated by specific transporters. One of the largest transporter families is the ATP-binding cassette (ABC) family. More than 40 ABC transporters have been identified in human, which are divided into 7 subfamilies (ABCA to ABCG) based on their gene structure, amino acid sequence, domain organization, and phylogenetic analysis. Of them, at least 11 ABC transporters including P-glycoprotein (P-GP/ABCB1), multidrug resistance-associated proteins (MRPs/ABCCs), and breast cancer resistance protein (BCRP/ABCG2) are involved in multidrug resistance (MDR) development. These ABC transporters are expressed in various tissues such as the liver, intestine, kidney, and brain, playing important roles in absorption, distribution, and excretion of drugs. Some ABC transporters are also involved in diverse cellular processes such as maintenance of osmotic homeostasis, antigen processing, cell division, immunity, cholesterol, and lipid trafficking. Several human diseases such as cystic fibrosis, sitosterolemia, Tangier disease, intrahepatic cholestasis, and retinal degeneration are associated with mutations in corresponding transporters. This chapter will describe function and expression of several ABC transporters (such as P-GP, BCRP, and MRPs), their substrates and inhibitors, as well as their clinical significance.
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Affiliation(s)
- Xiaodong Liu
- China Pharmaceutical University, Nanjing, China.
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23
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Wu YJ, Wang C, Wei W. The effects of DMARDs on the expression and function of P-gp, MRPs, BCRP in the treatment of autoimmune diseases. Biomed Pharmacother 2018; 105:870-878. [DOI: 10.1016/j.biopha.2018.06.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/24/2018] [Accepted: 06/04/2018] [Indexed: 12/17/2022] Open
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24
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Miyake MM, Nocera A, Miyake MM. P-glycoprotein and chronic rhinosinusitis. World J Otorhinolaryngol Head Neck Surg 2018; 4:169-174. [PMID: 30506047 PMCID: PMC6251952 DOI: 10.1016/j.wjorl.2018.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 07/18/2018] [Indexed: 11/13/2022] Open
Abstract
Chronic rhinosinusitis (CRS) is a heterogeneous definition that includes different disease states that usually are associated with abnormal inflammatory responses. Besides being prevalent, the mechanisms involved in its pathogenesis are not clear and there are few therapeutic options with tolerable side effects. P-glycoprotein (P-gp) is an efflux pump responsible of extruding xenobiotics and cellular metabolites from multiple cell types. It has been widely studied in the cancer field, due to its ability to confer resistance to chemotherapy. It also promotes Type 2 helper T-cell polarizing cytokine secretion in CRS and may represent a potential target to differentiate subtypes of CRS and personalize treatment. This state-of-the-art review explores current knowledge on the participation of P-gp in the pathogenesis of CRS, the P-gp inhibition as a novel targeted therapeutic strategy and the exosomal P-gp test, a non-invasive biomarker that can represent an important advance in the field of rhinology.
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Affiliation(s)
- Marcel M Miyake
- Department of Otolaryngology, Santa Casa de Sao Paulo School of Medical Sciences, RuaDoutorCesário Motta Júnior, 61 - Vila Buarque, São Paulo, SP, 01221-020, Brazil
| | - Angela Nocera
- Department of Otolaryngology, Division of Rhinology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, 243 Charles St, Boston, MA, 02114, USA
| | - Michelle M Miyake
- Department of Otolaryngology, Santa Casa de Sao Paulo School of Medical Sciences, RuaDoutorCesário Motta Júnior, 61 - Vila Buarque, São Paulo, SP, 01221-020, Brazil
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25
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do Imperio GE, Bloise E, Javam M, Lye P, Constantinof A, Dunk C, Dos Reis FM, Lye SJ, Gibb W, Ortiga-Carvalho TM, Matthews SG. Chorioamnionitis Induces a Specific Signature of Placental ABC Transporters Associated with an Increase of miR-331-5p in the Human Preterm Placenta. Cell Physiol Biochem 2018; 45:591-604. [PMID: 29402780 PMCID: PMC7202864 DOI: 10.1159/000487100] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 12/10/2017] [Indexed: 12/16/2022] Open
Abstract
Background/Aims The ATP-binding cassette (ABC) transporters mediate drug biodisposition and immunological responses in the placental barrier. In vitro infective challenges alter expression of specific placental ABC transporters. We hypothesized that chorioamnionitis induces a distinct pattern of ABC transporter expression. Methods Gene expression of 50 ABC transporters was assessed using TaqMan® Human ABC Transporter Array, in preterm human placentas without (PTD; n=6) or with histological chorioamnionitis (PTDC; n=6). Validation was performed using qPCR, immunohistochemistry and Western blot. MicroRNAs known to regulate P-glycoprotein (P-gp) were examined by qPCR. Results Up-regulation of ABCB9, ABCC2 and ABCF2 mRNA was detected in chorioamnionitis (p<0.05), whereas placental ABCB1 (P-gp; p=0.051) and ABCG2 (breast cancer resistance protein-BCRP) mRNA levels (p=0.055) approached near significant up-regulation. In most cases, the magnitude of the effect significantly correlated to the severity of inflammation. Upon validation, increased placental ABCB1 and ABCG2 mRNA levels (p<0.05) were observed. At the level of immunohistochemistry, while BCRP was increased (p<0.05), P-gp staining intensity was significantly decreased (p<0.05) in PTDC. miR-331-5p, involved in P-gp suppression, was upregulated in PTDC (p<0.01) and correlated to the grade of chorioamnionitis (p<0.01). Conclusions Alterations in the expression of ABC transporters will likely lead to modified transport of clinically relevant compounds at the inflamed placenta. A better understanding of the potential role of these transporters in the events surrounding PTD may also enable new strategies to be developed for prevention and treatment of PTD.
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Affiliation(s)
- Guinever Eustaquio do Imperio
- Departments of Physiology, Toronto, Ontario, Canada.,Laboratory of Translational Endocrinology, Biophysics Institute Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Enrrico Bloise
- Laboratory of Translational Endocrinology, Biophysics Institute Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,Departments of Morphology, Belo Horizonte, Brazil
| | - Mohsen Javam
- Departments of Physiology, Toronto, Ontario, Canada
| | | | | | - Caroline Dunk
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | | | - Stephen James Lye
- Departments of Physiology, Toronto, Ontario, Canada.,Obstetrics and Gynecology, Toronto, Ontario, Canada.,Medicine, University of Toronto, Toronto, Ontario, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - William Gibb
- Departments of Obstetrics & Gynecology and Department of Cellular & Molecular Medicine, University of Ottawa, Toronto, Ontario, Canada
| | - Tania M Ortiga-Carvalho
- Laboratory of Translational Endocrinology, Biophysics Institute Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Stephen Giles Matthews
- Departments of Physiology, Toronto, Ontario, Canada.,Obstetrics and Gynecology, Toronto, Ontario, Canada.,Medicine, University of Toronto, Toronto, Ontario, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
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P-glycoprotein (ABCB1) and Oxidative Stress: Focus on Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:7905486. [PMID: 29317984 PMCID: PMC5727796 DOI: 10.1155/2017/7905486] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 10/30/2017] [Indexed: 11/23/2022]
Abstract
ATP-binding cassette (ABC) transporters, in particular P-glycoprotein (encoded by ABCB1), are important and selective elements of the blood-brain barrier (BBB), and they actively contribute to brain homeostasis. Changes in ABCB1 expression and/or function at the BBB may not only alter the expression and function of other molecules at the BBB but also affect brain environment. Over the last decade, a number of reports have shown that ABCB1 actively mediates the transport of beta amyloid (Aβ) peptide. This finding has opened up an entirely new line of research in the field of Alzheimer's disease (AD). Indeed, despite intense research efforts, AD remains an unsolved pathology and effective therapies are still unavailable. Here, we review the crucial role of ABCB1 in the Aβ transport and how oxidative stress may interfere with this process. A detailed understanding of ABCB1 regulation can provide the basis for improved neuroprotection in AD and also enhanced therapeutic drug delivery to the brain.
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Marques-Santos LF, Hégaret H, Lima-Santos L, Queiroga FR, da Silva PM. ABCB1 and ABCC1-like transporters in immune system cells from sea urchins Echinometra lucunter and Echinus esculentus and oysters Crassostrea gasar and Crassostrea gigas. FISH & SHELLFISH IMMUNOLOGY 2017; 70:195-203. [PMID: 28882804 DOI: 10.1016/j.fsi.2017.09.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 08/29/2017] [Accepted: 09/03/2017] [Indexed: 06/07/2023]
Abstract
ABC transporters activity and expression have been associated with the multixenobiotic resistance phenotype (MXR). The activity of these proteins leads to a reduction in the intracellular concentration of several xenobiotics, thus reducing their toxicity. However, little attention has been given to the expression of ABC transporters in marine invertebrates and few studies have investigated their role in immune system cells of sea urchins and shellfish bivalves. The aim of the present study was to investigate the activity of the ABC transporters ABCB1 and ABCC1 in immune system cells of sea urchins (coelomocytes) and oysters (hemocytes) from different climatic regions (Brazil and France). Sea urchins and oysters were collected at Paraíba coast; Brazil (Echinometra lucunter and Crassostrea gasar) and Rade of Brest; France (Echinus esculentus and Crassostrea gigas). Coelomocytes and hemocytes were stained with the ABC transporter substrate calcein-AM and dye accumulation analyzed under flow cytometry. Reversin 205 (ABCB1 transporter blocker) and MK571 (ABCC1 transporter blocker) were used as pharmacological tools to investigate ABC transporter activity. A different pattern of calcein accumulation was observed in coelomocytes: phagocytes > colorless spherulocytes > vibrate cells > red spherulocytes. The treatment with MK571 increased calcein fluorescence levels in coelomocytes from both species. However, reversin 205 treatment was not able to increase calcein fluorescence in E. esculentus coelomocytes. These data suggest that ABCC1-like transporter activity is present in both sea urchin species, but ABCB1-like transporter activity might only be present in E. lucunter coelomocytes. The activity of ABCC1-like transporter was observed in all cell types from both bivalve species. However, reversin 205 only increased calcein accumulation in hyalinocytes of the oyster C. gasar, suggesting the absence of ABCB1-like transporter activity in all other cell types, including hyalinocytes from the oyster C. gigas. Additionally, our results showed that C. gigas exhibited higher activity of ABCC1-like transporter in all hemocyte types than C. gasar. The present work is the first to characterize ABCB1 and ABCC1-like transporter activity in the immune system cells of sea urchins E. lucunter and E. esculentus and oysters. Our findings encourage the performing studies regarding ABC transporters activity/expression in immune system cells form marine invertebrates under stress conditions and the possible use of ABC transporters as biomarkers.
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Affiliation(s)
- Luis Fernando Marques-Santos
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil.
| | - Hélène Hégaret
- Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539 CNRS UBO IRD IFREMER, Institut Universitaire Européen de la Mer, Technopôle Brest-Iroise, Rue Dumont d'Urville, 29280 Plouzané, France
| | - Leonardo Lima-Santos
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil
| | - Fernando Ramos Queiroga
- Laboratório de Imunologia e Patologia de Invertebrados (LABIPI), Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil
| | - Patricia Mirella da Silva
- Laboratório de Imunologia e Patologia de Invertebrados (LABIPI), Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil
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Erdő F, Denes L, de Lange E. Age-associated physiological and pathological changes at the blood-brain barrier: A review. J Cereb Blood Flow Metab 2017; 37:4-24. [PMID: 27837191 PMCID: PMC5363756 DOI: 10.1177/0271678x16679420] [Citation(s) in RCA: 299] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 10/21/2016] [Accepted: 10/24/2016] [Indexed: 12/13/2022]
Abstract
The age-associated decline of the neurological and cognitive functions becomes more and more serious challenge for the developed countries with the increasing number of aged populations. The morphological and biochemical changes in the aging brain are the subjects of many extended research projects worldwide for a long time. However, the crucial role of the blood-brain barrier (BBB) impairment and disruption in the pathological processes in age-associated neurodegenerative disorders received special attention just for a few years. This article gives an overview on the major elements of the blood-brain barrier and its supporting mechanisms and also on their alterations during development, physiological aging process and age-associated neurodegenerative disorders (Alzheimer's disease, multiple sclerosis, Parkinson's disease, pharmacoresistant epilepsy). Besides the morphological alterations of the cellular elements (endothelial cells, astrocytes, pericytes, microglia, neuronal elements) of the BBB and neurovascular unit, the changes of the barrier at molecular level (tight junction proteins, adheres junction proteins, membrane transporters, basal lamina, extracellular matrix) are also summarized. The recognition of new players and initiators of the process of neurodegeneration at the level of the BBB may offer new avenues for novel therapeutic approaches for the treatment of numerous chronic neurodegenerative disorders currently without effective medication.
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Affiliation(s)
- Franciska Erdő
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
| | - László Denes
- Institute of Pharmacology & Pharmacotherapy, Semmelweis University, Budapest, Hungary
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29
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Huang QT, Shynlova O, Kibschull M, Zhong M, Yu YH, Matthews SG, Lye SJ. P-glycoprotein expression and localization in the rat uterus throughout gestation and labor. Reproduction 2016; 152:195-204. [PMID: 27335130 DOI: 10.1530/rep-16-0161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 06/17/2016] [Indexed: 11/08/2022]
Abstract
Uterine tissues contain the efflux transporter P-glycoprotein (P-gp, encoded by Abcb1a/1b gene), but little is known about how it changes through gestation. Our aim was to investigate the expression profile and cellular localization of P-gp in the pregnant, laboring and post-partum (PP) rat uterus. We propose that during pregnancy the mechanical and hormonal stimuli play a role in regulating myometrial Abcb1a/1b/P-gp. Samples from bilaterally and unilaterally pregnant rats were collected throughout gestation, during labor, and PP (n=4-6/gestational day). RNA and protein were isolated and subjected to quantitative PCR and immunoblotting; P-gp transcript and protein were localized by in situ hybridization and immunohistochemistry. Expression of Abcb1a/1b gene and membrane P-gp protein in uterine tissue (1) increased throughout gestation, peaked at term (GD19-21) and dropped during labor (GD23L); and (2) was upregulated only in gravid but not in empty horn of unilaterally pregnant rats. (3) The drop of Abcb1a/1b mRNA on GD23 was prevented by artificial maintenance of elevated progesterone (P4) levels in late gestation; (4) injection of the P4 receptor antagonist RU486 on GD19 caused a significant decrease in Abcb1 mRNA levels. (5) In situ hybridization and immunohistochemistry indicated that Abcb1/P-gp is absent from myometrium throughout gestation; (6) was expressed exclusively by uterine microvascular endothelium (at early gestation) and luminal epithelium (at mid and late gestation), but was undetectable during labor. In conclusion, ABC transporter protein P-gp in pregnant uterus is hormonally and mechanically regulated. However, its substrate(s) and precise function in these tissues during pregnancy remains to be determined.
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Affiliation(s)
- Qi-Tao Huang
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada Division of Obstetrics and GynecologyNanfang Hospital, Southern Medical University, Guangzhou, China
| | - Oksana Shynlova
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada Department of Obstetrics & GynecologyUniversity of Toronto, Toronto, Ontario, Canada
| | - Mark Kibschull
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada
| | - Mei Zhong
- Division of Obstetrics and GynecologyNanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yan-Hong Yu
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada
| | - Stephen G Matthews
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada Department of Obstetrics & GynecologyUniversity of Toronto, Toronto, Ontario, Canada Department of PhysiologyUniversity of Toronto, Toronto, Ontario, Canada
| | - Stephen J Lye
- Lunenfeld-Tanenbaum Research InstituteMount Sinai Hospital, Toronto, Ontario, Canada Department of Obstetrics & GynecologyUniversity of Toronto, Toronto, Ontario, Canada Department of PhysiologyUniversity of Toronto, Toronto, Ontario, Canada
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30
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Salou M, Nicol B, Garcia A, Laplaud DA. Involvement of CD8(+) T Cells in Multiple Sclerosis. Front Immunol 2015; 6:604. [PMID: 26635816 PMCID: PMC4659893 DOI: 10.3389/fimmu.2015.00604] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 11/12/2015] [Indexed: 11/13/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic autoimmune disease of the central nervous system characterized by focal demyelination patches associated with inflammatory infiltrates containing T lymphocytes. For decades, CD4(+) T cells have been recognized as playing a major role in the disease, especially in animal models, which has led to the development of several therapies. However, interest has recently developed in the involvement of CD8(+) T cells in MS following the analysis of infiltrating T cells in human brain lesions. A broad range of evidence now suggests that the pathological role of this T cell subset in MS may have been underestimated. In this review, we summarize the literature implicating CD8(+) T cells in the pathophysiology of MS. We present data from studies in the fields of genetics, anatomopathology and immunology, mainly in humans but also in animal models of MS. Altogether, this strongly suggests that CD8(+) T cells may be major effectors in the disease process, and that the development of treatments specifically targeting this subset would be germane.
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Affiliation(s)
- Marion Salou
- UMR 1064, INSERM , Nantes , France ; Medicine Department, Nantes University , Nantes , France
| | - Bryan Nicol
- UMR 1064, INSERM , Nantes , France ; Medicine Department, Nantes University , Nantes , France
| | - Alexandra Garcia
- UMR 1064, INSERM , Nantes , France ; ITUN, Nantes Hospital , Nantes , France
| | - David-Axel Laplaud
- UMR 1064, INSERM , Nantes , France ; Department of Neurology, Nantes Hospital , Nantes , France ; Centre d'Investigation Clinique, INSERM 004 , Nantes , France
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31
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The human P-glycoprotein transporter enhances the type I interferon response to Listeria monocytogenes infection. Infect Immun 2015; 83:2358-68. [PMID: 25824830 DOI: 10.1128/iai.00380-15] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 03/20/2015] [Indexed: 01/01/2023] Open
Abstract
Human multidrug efflux transporters are known for their ability to extrude antibiotics and toxic compounds out of cells, yet accumulating data indicate they have additional functions in diverse physiological processes not related to drug efflux. Here, we show that the human multidrug transporter P-glycoprotein (P-gp) (also named MDR1 and ABCB1) is transcriptionally induced in the monocytic cell line THP-1 upon infection with the human intracellular bacterial pathogen Listeria monocytogenes. Notably, we found that P-gp is important for full activation of the type I interferon response elicited against L. monocytogenes bacteria. Both inhibition of P-gp function by verapamil and inhibition of its transcription using mRNA silencing led to a reduction in the magnitude of the type I response in infected cells. This function of P-gp was specific to type I interferon cytokines elicited against cytosolic replicating bacteria and was not observed in response to cyclic di-AMP (c-di-AMP), a molecule that was shown to be secreted by L. monocytogenes during infection and to trigger type I interferons. Moreover, P-gp was not involved in activation of other proinflammatory cytokines, such as those triggered by vacuolar-restricted L. monocytogenes or lipopolysaccharide (LPS). Taken together, these findings demonstrate a role for P-gp in proper development of an innate immune response against intracellular pathogens, highlighting the complexity in employing therapeutic strategies that involve inhibition of multidrug resistance (MDR) efflux pumps.
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32
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DosSantos MF, Holanda-Afonso RC, Lima RL, DaSilva AF, Moura-Neto V. The role of the blood-brain barrier in the development and treatment of migraine and other pain disorders. Front Cell Neurosci 2014; 8:302. [PMID: 25339863 PMCID: PMC4189386 DOI: 10.3389/fncel.2014.00302] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 09/08/2014] [Indexed: 12/23/2022] Open
Abstract
The function of the blood-brain barrier (BBB) related to chronic pain has been explored for its classical role in regulating the transcellular and paracellular transport, thus controlling the flow of drugs that act at the central nervous system, such as opioid analgesics (e.g., morphine) and non-steroidal anti-inflammatory drugs. Nonetheless, recent studies have raised the possibility that changes in the BBB permeability might be associated with chronic pain. For instance, changes in the relative amounts of occludin isoforms, resulting in significant increases in the BBB permeability, have been demonstrated after inflammatory hyperalgesia. Furthermore, inflammatory pain produces structural changes in the P-glycoprotein, the major efflux transporter at the BBB. One possible explanation for these findings is the action of substances typically released at the site of peripheral injuries that could lead to changes in the brain endothelial permeability, including substance P, calcitonin gene-related peptide, and interleukin-1 beta. Interestingly, inflammatory pain also results in microglial activation, which potentiates the BBB damage. In fact, astrocytes and microglia play a critical role in maintaining the BBB integrity and the activation of those cells is considered a key mechanism underlying chronic pain. Despite the recent advances in the understanding of BBB function in pain development as well as its interference in the efficacy of analgesic drugs, there remain unknowns regarding the molecular mechanisms involved in this process. In this review, we explore the connection between the BBB as well as the blood-spinal cord barrier and blood-nerve barrier, and pain, focusing on cellular and molecular mechanisms of BBB permeabilization induced by inflammatory or neuropathic pain and migraine.
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Affiliation(s)
- Marcos F. DosSantos
- Universidade Federal do Rio de Janeiro – Campus MacaéRio de Janeiro, Brazil
- Laboratório de Morfogênese Celular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
- Headache and Orofacial Pain Effort, Department of Biologic and Materials Sciences and Michigan Center for Oral Health Research, School of Dentistry, University of MichiganAnn Arbor, MI, USA
| | - Rosenilde C. Holanda-Afonso
- Laboratório de Morfogênese Celular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
| | - Rodrigo L. Lima
- Departamento de Ortodontia e Odontopediatria, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro, Rio de JaneiroBrazil
| | - Alexandre F. DaSilva
- Headache and Orofacial Pain Effort, Department of Biologic and Materials Sciences and Michigan Center for Oral Health Research, School of Dentistry, University of MichiganAnn Arbor, MI, USA
| | - Vivaldo Moura-Neto
- Laboratório de Morfogênese Celular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de JaneiroRio de Janeiro, Brazil
- Instituto Estadual do Cérebro Paulo NiemeyerRio de Janeiro, Brazil
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33
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Greenberg RM. Schistosome ABC multidrug transporters: From pharmacology to physiology. INTERNATIONAL JOURNAL FOR PARASITOLOGY-DRUGS AND DRUG RESISTANCE 2014; 4:301-9. [PMID: 25516841 PMCID: PMC4266782 DOI: 10.1016/j.ijpddr.2014.09.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The genuine and hypothesized roles of schistosome ABC transporters are reviewed. Evidence suggesting a role for transporters in schistosome drug susceptibility is discussed. Potential roles of ABC transporters in normal schistosome biology are outlined.
Praziquantel (PZQ) is essentially the only drug currently available for treatment and control of schistosomiasis, a disease affecting hundreds of millions worldwide. Though highly effective overall, PZQ has limitations, most notably its significant lack of activity against immature schistosomes. Furthermore, the availability of only a single drug for a disease of this magnitude makes reports of PZQ-resistant isolates particularly troubling. ATP-binding cassette (ABC) multidrug transporters such as P-glycoprotein (Pgp; ABCB1) are efflux transporters that underlie multidrug resistance (MDR); changes in their expression or structure are also associated with drug resistance in parasites, including helminths. This review will discuss the role these transporters might play in modulating schistosome susceptibility to PZQ, and the implications for developing new or repurposed treatments that enhance the efficacy of PZQ. However, in addition to influencing drug susceptibility, ABC transporters play important roles in several critical physiological functions such as excretion and maintenance of permeability barriers. They also transport signaling molecules with high affinity, and several lines of evidence implicate mammalian transporters in a diverse array of physiological functions, including regulation of immune responses. Like their mammalian counterparts, schistosome ABC transporters appear to be involved in functions critical to the parasite, including excretory activity and reproduction, and we hypothesize that they underlie at least some aspects of parasite–host interactions. Thus, in addition to their potential as targets for enhancers of PZQ susceptibility, these transporters might also serve as candidate targets for agents that disrupt the parasite life cycle and act as antischistosomals on their own.
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Affiliation(s)
- Robert M Greenberg
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, PA 19104, USA
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Kocharyan A, Feldman R, Singleton A, Han X, Bleier BS. P-glycoprotein inhibition promotes prednisone retention in human sinonasal polyp explants. Int Forum Allergy Rhinol 2014; 4:734-8. [DOI: 10.1002/alr.21361] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 05/21/2014] [Accepted: 05/29/2014] [Indexed: 12/29/2022]
Affiliation(s)
- Armine Kocharyan
- Department of Otology and Laryngology, Massachusetts Eye and Ear Infirmary; Harvard Medical School; Boston MA
| | - Rachel Feldman
- Department of Otology and Laryngology, Massachusetts Eye and Ear Infirmary; Harvard Medical School; Boston MA
| | - Amy Singleton
- Department of Biomedical Engineering; Boston University; Boston MA
| | - Xue Han
- Department of Biomedical Engineering; Boston University; Boston MA
| | - Benjamin S. Bleier
- Department of Otology and Laryngology, Massachusetts Eye and Ear Infirmary; Harvard Medical School; Boston MA
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35
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Kooij G, Kopplin K, Blasig R, Stuiver M, Koning N, Goverse G, van der Pol SMA, van Het Hof B, Gollasch M, Drexhage JAR, Reijerkerk A, Meij IC, Mebius R, Willnow TE, Müller D, Blasig IE, de Vries HE. Disturbed function of the blood-cerebrospinal fluid barrier aggravates neuro-inflammation. Acta Neuropathol 2014; 128:267-77. [PMID: 24356983 DOI: 10.1007/s00401-013-1227-1] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 12/04/2013] [Accepted: 12/07/2013] [Indexed: 11/26/2022]
Abstract
Multiple sclerosis (MS) is a chronic neuro-inflammatory disorder, which is marked by the invasion of the central nervous system by monocyte-derived macrophages and autoreactive T cells across the brain vasculature. Data from experimental animal models recently implied that the passage of leukocytes across the brain vasculature is preceded by their traversal across the blood-cerebrospinal fluid barrier (BCSFB) of the choroid plexus. The correlation between the presence of leukocytes in the CSF of patients suffering from MS and the number of inflammatory lesions as detected by magnetic resonance imaging suggests that inflammation at the choroid plexus contributes to the disease, although in a yet unknown fashion. We here provide first insights into the involvement of the choroid plexus in the onset and severity of the disease and in particular address the role of the tight junction protein claudin-3 (CLDN3) in this process. Detailed analysis of human post-mortem brain tissue revealed a selective loss of CLDN3 at the choroid plexus in MS patients compared to control tissues. Importantly, mice that lack CLDN3 have an impaired BCSFB and experience a more rapid onset and exacerbated clinical signs of experimental autoimmune encephalomyelitis, which coincides with enhanced levels of infiltrated leukocytes in their CSF. Together, this study highlights a profound role for the choroid plexus in the pathogenesis of multiple sclerosis, and implies that CLDN3 may be regarded as a crucial and novel determinant of BCSFB integrity.
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Affiliation(s)
- Gijs Kooij
- Department of Molecular Cell Biology and Immunology, Neuroscience Campus Amsterdam, VU University Medical Center, P.O. Box 7057, 1007 MB, Amsterdam, The Netherlands,
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Jaworski E, Narayanan A, Van Duyne R, Shabbeer-Meyering S, Iordanskiy S, Saifuddin M, Das R, Afonso PV, Sampey GC, Chung M, Popratiloff A, Shrestha B, Sehgal M, Jain P, Vertes A, Mahieux R, Kashanchi F. Human T-lymphotropic virus type 1-infected cells secrete exosomes that contain Tax protein. J Biol Chem 2014; 289:22284-305. [PMID: 24939845 DOI: 10.1074/jbc.m114.549659] [Citation(s) in RCA: 112] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Human T-lymphotropic virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia and HTLV-1-associated myelopathy/tropical spastic paraparesis. The HTLV-1 transactivator protein Tax controls many critical cellular pathways, including host cell DNA damage response mechanisms, cell cycle progression, and apoptosis. Extracellular vesicles called exosomes play critical roles during pathogenic viral infections as delivery vehicles for host and viral components, including proteins, mRNA, and microRNA. We hypothesized that exosomes derived from HTLV-1-infected cells contain unique host and viral proteins that may contribute to HTLV-1-induced pathogenesis. We found exosomes derived from infected cells to contain Tax protein and proinflammatory mediators as well as viral mRNA transcripts, including Tax, HBZ, and Env. Furthermore, we observed that exosomes released from HTLV-1-infected Tax-expressing cells contributed to enhanced survival of exosome-recipient cells when treated with Fas antibody. This survival was cFLIP-dependent, with Tax showing induction of NF-κB in exosome-recipient cells. Finally, IL-2-dependent CTLL-2 cells that received Tax-containing exosomes were protected from apoptosis through activation of AKT. Similar experiments with primary cultures showed protection and survival of peripheral blood mononuclear cells even in the absence of phytohemagglutinin/IL-2. Surviving cells contained more phosphorylated Rb, consistent with the role of Tax in regulation of the cell cycle. Collectively, these results suggest that exosomes may play an important role in extracellular delivery of functional HTLV-1 proteins and mRNA to recipient cells.
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Affiliation(s)
- Elizabeth Jaworski
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Aarthi Narayanan
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Rachel Van Duyne
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110, the Department of Microbiology, Immunology, and Tropical Medicine and
| | - Shabana Shabbeer-Meyering
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Sergey Iordanskiy
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110, the Department of Microbiology, Immunology, and Tropical Medicine and
| | - Mohammed Saifuddin
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Ravi Das
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Philippe V Afonso
- the Unité d'Epidémiologie et Physiopathologie des Virus Oncogènes, Département de Virologie, Institut Pasteur, F-75015 Paris, France, CNRS, UMR3569, F-75015 Paris, France, and
| | - Gavin C Sampey
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Myung Chung
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110
| | - Anastas Popratiloff
- the Department of Chemistry, George Washington University, Washington, D. C. 20037
| | - Bindesh Shrestha
- Center for Microscopy and Image Analysis, George Washington University Medical Center, Washington, D. C. 20037
| | - Mohit Sehgal
- the Department of Microbiology and Immunology, Drexel Institute for Biotechnology and Virology Research, Drexel University College of Medicine, Doylestown, Pennsylvania 18902
| | - Pooja Jain
- the Department of Microbiology and Immunology, Drexel Institute for Biotechnology and Virology Research, Drexel University College of Medicine, Doylestown, Pennsylvania 18902
| | - Akos Vertes
- Center for Microscopy and Image Analysis, George Washington University Medical Center, Washington, D. C. 20037
| | - Renaud Mahieux
- the Equipe Oncogenèse Rétrovirale, Equipe labelisée "Ligue Nationale Contre le Cancer," International Center for Research in Infectiology, INSERM U1111-CNRS UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon 1, Lyon 69364 Cedex 07, France
| | - Fatah Kashanchi
- From the School of Systems Biology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia 20110,
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Kooij G, Kroon J, Paul D, Reijerkerk A, Geerts D, van der Pol SMA, van Het Hof B, Drexhage JA, van Vliet SJ, Hekking LHP, van Buul JD, Pachter JS, de Vries HE. P-glycoprotein regulates trafficking of CD8(+) T cells to the brain parenchyma. Acta Neuropathol 2014; 127:699-711. [PMID: 24429546 DOI: 10.1007/s00401-014-1244-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 01/02/2014] [Indexed: 01/13/2023]
Abstract
The trafficking of cytotoxic CD8(+) T lymphocytes across the lining of the cerebral vasculature is key to the onset of the chronic neuro-inflammatory disorder multiple sclerosis. However, the mechanisms controlling their final transmigration across the brain endothelium remain unknown. Here, we describe that CD8(+) T lymphocyte trafficking into the brain is dependent on the activity of the brain endothelial adenosine triphosphate-binding cassette transporter P-glycoprotein. Silencing P-glycoprotein activity selectively reduced the trafficking of CD8(+) T cells across the brain endothelium in vitro as well as in vivo. In response to formation of the T cell-endothelial synapse, P-glycoprotein was found to regulate secretion of endothelial (C-C motif) ligand 2 (CCL2), a chemokine that mediates CD8(+) T cell migration in vitro. Notably, CCL2 levels were significantly enhanced in microvessels isolated from human multiple sclerosis lesions in comparison with non-neurological controls. Endothelial cell-specific elimination of CCL2 in mice subjected to experimental autoimmune encephalomyelitis also significantly diminished the accumulation of CD8(+) T cells compared to wild-type animals. Collectively, these results highlight a novel (patho)physiological role for P-glycoprotein in CD8(+) T cell trafficking into the central nervous system during neuro-inflammation and illustrate CCL2 secretion as a potential link in this mechanism.
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Affiliation(s)
- Gijs Kooij
- Blood-Brain Barrier Research Group, Department of Molecular Cell Biology and Immunology, Neuroscience Campus Amsterdam, VU University Medical Center, P.O. Box 7057, 1007 MB, Amsterdam, The Netherlands,
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Bleier BS, Nocera AL, Iqbal H, Hoang JD, Alvarez U, Feldman RE, Han X. P-glycoprotein promotes epithelial T helper 2-associated cytokine secretion in chronic sinusitis with nasal polyps. Int Forum Allergy Rhinol 2014; 4:488-94. [DOI: 10.1002/alr.21316] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 01/17/2014] [Accepted: 01/28/2014] [Indexed: 12/20/2022]
Affiliation(s)
| | - Angela L. Nocera
- Department of Biomedical Engineering; Boston University; Boston MA
| | - Hufsa Iqbal
- Department of Biomedical Engineering; Boston University; Boston MA
| | - John D. Hoang
- Department of Biomedical Engineering; Boston University; Boston MA
| | - Ulises Alvarez
- Department of Biomedical Engineering; Boston University; Boston MA
| | - Rachel E. Feldman
- Massachusetts Eye and Ear Infirmary; Harvard Medical School; Boston MA
| | - Xue Han
- Department of Biomedical Engineering; Boston University; Boston MA
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39
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Disease Influence on BBB Transport in Neurodegenerative Disorders. DRUG DELIVERY TO THE BRAIN 2014. [DOI: 10.1007/978-1-4614-9105-7_22] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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40
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Yu N, Liu H, Di Q. Modulation of Immunity and the Inflammatory Response: A New Target for Treating Drug-resistant Epilepsy. Curr Neuropharmacol 2013; 11:114-27. [PMID: 23814544 PMCID: PMC3580785 DOI: 10.2174/157015913804999540] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 07/16/2012] [Accepted: 11/17/2012] [Indexed: 12/11/2022] Open
Abstract
Until recently, epilepsy medical therapy is usually limited to anti-epileptic drugs (AEDs). However, approximately 1/3 of epilepsy patients, described as drug-resistant epilepsy (DRE) patients, still suffer from continuous frequent seizures despite receiving adequate AEDs treatment of sufficient duration. More recently, with the remarkable progress of immunology, immunity and inflammation are considered to be key elements of the pathobiology of epilepsy. Activation of inflammatory processes in brain tissue has been observed in both experimental seizure animal models and epilepsy patients. Anti-inflammatory and immunotherapies also showed significant anticonvulsant properties both in clinical and in experimental settings. The above emerging evidence indicates that modulation of immunity and inflammatory processes could serve as novel specific targets to achieve potential anticonvulsant effects for the patients with epilepsy, especially DRE. Herein we review the recent evidence supporting the role of inflammation in the development and perpetuation of seizures, and also discuss the recent achievements in modulation of inflammation and immunotherapy applied to the treatment of epilepsy. Apart from medical therapy, we also discuss the influences of surgery, ketogenic diet, and electroconvulsive therapy on immunity and inflammation in DRE patients. Taken together, a promising perspective is suggested for future immunomodulatory therapies in the treatment of patients with DRE.
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Affiliation(s)
- Nian Yu
- Department of Neurology, Nanjing Brain Hospital affiliated to Nanjing Medical University, Nanjing, Jiangsu, China
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41
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Lutz SE, González-Fernández E, Ventura JCC, Pérez-Samartín A, Tarassishin L, Negoro H, Patel NK, Suadicani SO, Lee SC, Matute C, Scemes E. Contribution of pannexin1 to experimental autoimmune encephalomyelitis. PLoS One 2013; 8:e66657. [PMID: 23885286 PMCID: PMC3688586 DOI: 10.1371/journal.pone.0066657] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 05/08/2013] [Indexed: 11/19/2022] Open
Abstract
Pannexin1 (Panx1) is a plasma membrane channel permeable to relatively large molecules, such as ATP. In the central nervous system (CNS) Panx1 is found in neurons and glia and in the immune system in macrophages and T-cells. We tested the hypothesis that Panx1-mediated ATP release contributes to expression of Experimental Autoimmune Encephalomyelitis (EAE), an animal model for multiple sclerosis, using wild-type (WT) and Panx1 knockout (KO) mice. Panx1 KO mice displayed a delayed onset of clinical signs of EAE and decreased mortality compared to WT mice, but developed as severe symptoms as the surviving WT mice. Spinal cord inflammatory lesions were also reduced in Panx1 KO EAE mice during acute disease. Additionally, pharmacologic inhibition of Panx1 channels with mefloquine (MFQ) reduced severity of acute and chronic EAE when administered before or after onset of clinical signs. ATP release and YoPro uptake were significantly increased in WT mice with EAE as compared to WT non-EAE and reduced in tissues of EAE Panx1 KO mice. Interestingly, we found that the P2X7 receptor was upregulated in the chronic phase of EAE in both WT and Panx1 KO spinal cords. Such increase in receptor expression is likely to counterbalance the decrease in ATP release recorded from Panx1 KO mice and thus contribute to the development of EAE symptoms in these mice. The present study shows that a Panx1 dependent mechanism (ATP release and/or inflammasome activation) contributes to disease progression, and that inhibition of Panx1 using pharmacology or gene disruption delays and attenuates clinical signs of EAE.
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Affiliation(s)
- Sarah E. Lutz
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | | | | | | | - Leonid Tarassishin
- Department of Pathology, Albert Einstein College of Medicine, Bronx, New York United States of America
| | - Hiromitsu Negoro
- Department of Urology, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Naman K. Patel
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Sylvia O. Suadicani
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York, United States of America
- Department of Urology, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Sunhee C. Lee
- Department of Pathology, Albert Einstein College of Medicine, Bronx, New York United States of America
| | - Carlos Matute
- Departamento de Neurociencias, Universidad del País Vasco, Leioa, Spain
| | - Eliana Scemes
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York, United States of America
- * E-mail:
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42
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Radu BM, Bramanti P, Osculati F, Flonta ML, Radu M, Bertini G, Fabene PF. Neurovascular unit in chronic pain. Mediators Inflamm 2013; 2013:648268. [PMID: 23840097 PMCID: PMC3687484 DOI: 10.1155/2013/648268] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 05/08/2013] [Indexed: 12/27/2022] Open
Abstract
Chronic pain is a debilitating condition with major socioeconomic impact, whose neurobiological basis is still not clear. An involvement of the neurovascular unit (NVU) has been recently proposed. In particular, the blood-brain barrier (BBB) and blood-spinal cord barrier (BSCB), two NVU key players, may be affected during the development of chronic pain; in particular, transient permeabilization of the barrier is suggested by several inflammatory- and nerve-injury-based pain models, and we argue that the clarification of molecular BBB/BSCB permeabilization events will shed new light in understanding chronic pain mechanisms. Possible biases in experiments supporting this theory and its translational potentials are discussed. Moving beyond an exclusive focus on the role of the endothelium, we propose that our understanding of the mechanisms subserving chronic pain will benefit from the extension of research efforts to the NVU as a whole. In this view, the available evidence on the interaction between analgesic drugs and the NVU is here reviewed. Chronic pain comorbidities, such as neuroinflammatory and neurodegenerative diseases, are also discussed in view of NVU changes, together with innovative pharmacological solutions targeting NVU components in chronic pain treatment.
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Affiliation(s)
- Beatrice Mihaela Radu
- Department of Neurological, Neuropsychological, Morphological and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | | | | | - Maria-Luisa Flonta
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Mihai Radu
- Department of Neurological, Neuropsychological, Morphological and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
- Department of Life and Environmental Physics, “Horia Hulubei” National Institute for Physics and Nuclear Engineering, 077125 Bucharest-Magurele, Romania
| | - Giuseppe Bertini
- Department of Neurological, Neuropsychological, Morphological and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
| | - Paolo Francesco Fabene
- Department of Neurological, Neuropsychological, Morphological and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy
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Riganti C, Castella B, Kopecka J, Campia I, Coscia M, Pescarmona G, Bosia A, Ghigo D, Massaia M. Zoledronic acid restores doxorubicin chemosensitivity and immunogenic cell death in multidrug-resistant human cancer cells. PLoS One 2013; 8:e60975. [PMID: 23593363 PMCID: PMC3625183 DOI: 10.1371/journal.pone.0060975] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 03/01/2013] [Indexed: 11/23/2022] Open
Abstract
Durable tumor cell eradication by chemotherapy is challenged by the development of multidrug-resistance (MDR) and the failure to induce immunogenic cell death. The aim of this work was to investigate whether MDR and immunogenic cell death share a common biochemical pathway eventually amenable to therapeutic intervention. We found that mevalonate pathway activity, Ras and RhoA protein isoprenylation, Ras- and RhoA-downstream signalling pathway activities, Hypoxia Inducible Factor-1alpha activation were significantly higher in MDR+ compared with MDR− human cancer cells, leading to increased P-glycoprotein expression, and protection from doxorubicin-induced cytotoxicity and immunogenic cell death. Zoledronic acid, a potent aminobisphosphonate targeting the mevalonate pathway, interrupted Ras- and RhoA-dependent downstream signalling pathways, abrogated the Hypoxia Inducible Factor-1alpha-driven P-glycoprotein expression, and restored doxorubicin-induced cytotoxicity and immunogenic cell death in MDR+ cells. Immunogenic cell death recovery was documented by the ability of dendritic cells to phagocytise MDR+ cells treated with zoledronic acid plus doxorubicin, and to recruit anti-tumor cytotoxic CD8+ T lymphocytes. These data indicate that MDR+ cells have an hyper-active mevalonate pathway which is targetable with zoledronic acid to antagonize their ability to withstand chemotherapy-induced cytotoxicity and escape immunogenic cell death.
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Affiliation(s)
- Chiara Riganti
- Department of Oncology, University of Torino, Torino, Italy.
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44
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Zamek-Gliszczynski MJ, Goldstein KM, Paulman A, Baker TK, Ryan TP. Minor compensatory changes in SAGE Mdr1a (P-gp), Bcrp, and Mrp2 knockout rats do not detract from their utility in the study of transporter-mediated pharmacokinetics. Drug Metab Dispos 2013; 41:1174-8. [PMID: 23569176 DOI: 10.1124/dmd.113.051409] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Mdr1a-, Bcrp-, and Mrp2-knockout rats are a more practical species for absorption, distribution, metabolism, and excretion (ADME) studies than murine models and previously demonstrated expected alterations in the pharmacokinetics of various probe substrates. At present, gene expression and pathology changes were systematically studied in the small intestine, liver, kidney, and brain tissue from male SAGE Mdr1a, Bcrp, and Mrp2 knockout rats versus wild-type Sprague-Dawley controls. Gene expression data supported the relevant knockout genotype. As expected, Mrp2 knockout rats were hyperbilirubinemic and exhibited upregulation of hepatic Mrp3. Overall, few alterations were observed within 112 ADME-relevant genes. The two potentially most consequential changes were upregulation of intestinal carboxylesterase in Mdr1a knockouts and catechol-O-methyltransferase in all tissues of Bcrp knockout rats. Previously reported upregulation of hepatic Mdr1b P-glycoprotein in proprietary Wistar Mdr1a knockout rats was not observed in the SAGE counterpart investigated herein. Relative liver and kidney weights were 22-53% higher in all three knockouts, with microscopic increases in hepatocyte size in Mdr1a and Mrp2 knockout rats and glomerular size in Bcrp and Mrp2 knockouts. Increased relative weight of clearing organs is quantitatively consistent with reported increases in the clearance of drugs that are not substrates of the knocked-out transporter. Overall, SAGE knockout rats demonstrated modest compensatory changes, which do not preclude their general application to study transporter-mediated pharmacokinetics. However, until future studies elucidate the magnitude of functional change, caution is warranted in rare instances of extensive metabolism by catechol-O-methyltransferase in Bcrp knockouts and intestinal carboxylesterase in Mdr1a knockout rats, specifically for molecules with free catechol groups and esters subject to gut-wall hydrolysis.
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45
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Bleier BS, Nocera AL, Iqbal H, Hoang JD, Feldman RE, Han X. P-glycoprotein functions as an immunomodulator in healthy human primary nasal epithelial cells. Int Forum Allergy Rhinol 2013; 3:433-8. [PMID: 23520057 DOI: 10.1002/alr.21166] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 01/11/2013] [Accepted: 02/10/2013] [Indexed: 11/11/2022]
Abstract
BACKGROUND P-glycoprotein (P-gp) is an adenosine triphosphate (ATP)-dependent efflux pump that confers chemotherapeutic resistance in cancer cells. Recent studies suggest that P-gp may also function as an immunomodulator through regulation of cytokine transport. Sinonasal epithelial cells have been recognized as drivers of local innate and adaptive immunity and are known to overexpress P-gp in the setting of inflammation. The objective of this study is to therefore determine whether P-gp participates in the regulation of cytokine secretion in sinonasal epithelial cells. METHODS Primary nasal epithelial cell cultures (PNECCs) were cultivated from 5 healthy patients. Membranous P-gp was quantified through quantitative fluorescent immunohistochemistry (Q-FIHC) and confirmed by enzyme-linked immunosorbent assay (ELISA). Sensitivity to inhibition was determined using a rhodamine 123 accumulation assay. Baseline and lipopolysaccharide (LPS)-stimulated cytokine secretion of interleukin 6 (IL-6), IL-8, granulocyte macrophage colony stimulating factor (GM-CSF), and thymic stromal lymphopoietin (TSLP) were quantified by ELISA and compared to LPS stimulated secretion in the setting of P-gp-specific inhibition. Differences in P-gp expression and cytokine secretion were compared using 2-tailed Student t tests with post hoc testing using the Bonferroni procedure. RESULTS Membranous P-gp is detectable in PNECCs and upregulated following LPS exposure. P-gp is sensitive to inhibition by both PSC 833 and verapamil in a dose-dependent fashion. LPS stimulated secretion of normalized IL-6 (mean, 95% confidence interval [CI]) (79.67, 42.26-117.07), GM-CSF (39.92, 7.90-71.94), and TSLP (6.65, 5.35-7.96) was significantly reduced following P-gp inhibition (37.60, 11.54-63.65, p = 0.023; 7.64, 2.25-13.03, p = 0.044; and 5.13, 4.44-5.82, p = 0.038; respectively). CONCLUSION P-gp is functionally active in PNECCs. P-gp participates in modulation of epithelial secretion of LPS stimulated IL-6, GM-CSF, and TSLP.
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Affiliation(s)
- Benjamin S Bleier
- Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, MA 02114, USA.
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46
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Koning JJ, Kooij G, de Vries HE, Nolte MA, Mebius RE. Mesenchymal stem cells are mobilized from the bone marrow during inflammation. Front Immunol 2013; 4:49. [PMID: 23459632 PMCID: PMC3586765 DOI: 10.3389/fimmu.2013.00049] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Accepted: 02/10/2013] [Indexed: 11/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs) show great therapeutic potential for the treatment of various immune mediated diseases, including Multiple Sclerosis (MS). Systemic administration of MSCs during experimental allergic encephalomyelitis (EAE), an animal model for MS, was shown to reduce the infiltration of T cells, B cells, and macrophages into the CNS. Whether endogenous MSCs are mobilized and potentially modulate the severity of disease is not known. Here we show that during the acute phase of EAE, MSCs numbers in the bone marrow were severely reduced, which restored to control levels during the progressive phase of the disease. The number of bone marrow MSCs inversely correlated with the number of both CD4 and CD8 T cells present in the bone marrow indicating a link between activated T cells and MSC mobilization. Analysis of CD70-transgenic mice, which have a constitutively activated immune system and elevated number of activated T cells in the bone marrow, showed severely reduced number of bone marrow MSCs. Transfer of T cells that were activated through their CD27 receptor reduced the number of bone marrow MSCs dependent on IFN-y. These data provide a mechanism by which MSCs can be mobilized from the bone marrow in order to contribute to tissue repair at a distant location.
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Affiliation(s)
- Jasper J Koning
- Department of Molecular Cell Biology and Immunology, VU University Medical Center Amsterdam, Netherlands
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47
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Deo AK, Theil FP, Nicolas JM. Confounding Parameters in Preclinical Assessment of Blood–Brain Barrier Permeation: An Overview With Emphasis on Species Differences and Effect of Disease States. Mol Pharm 2013; 10:1581-95. [DOI: 10.1021/mp300570z] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Anand K. Deo
- UCB Pharma S.A., Chemin du Foriest, B-1420 Braine-l’Alleud,
Belgium
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48
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Montagne A, Gauberti M, Macrez R, Jullienne A, Briens A, Raynaud JS, Louin G, Buisson A, Haelewyn B, Docagne F, Defer G, Vivien D, Maubert E. Ultra-sensitive molecular MRI of cerebrovascular cell activation enables early detection of chronic central nervous system disorders. Neuroimage 2012; 63:760-70. [DOI: 10.1016/j.neuroimage.2012.07.018] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Revised: 07/04/2012] [Accepted: 07/10/2012] [Indexed: 12/28/2022] Open
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49
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Targeting blood-brain barrier sphingolipid signaling reduces basal P-glycoprotein activity and improves drug delivery to the brain. Proc Natl Acad Sci U S A 2012; 109:15930-5. [PMID: 22949658 DOI: 10.1073/pnas.1203534109] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
P-glycoprotein, an ATP-driven drug efflux pump, is a major obstacle to the delivery of small-molecule drugs across the blood-brain barrier and into the CNS. Here we test a unique signaling-based strategy to overcome this obstacle. We used a confocal microscopy-based assay with isolated rat brain capillaries to map a signaling pathway that within minutes abolishes P-glycoprotein transport activity without altering transporter protein expression or tight junction permeability. This pathway encompasses elements of proinflammatory- (TNF-α) and sphingolipid-based signaling. Critical to this pathway was signaling through sphingosine-1-phosphate receptor 1 (S1PR1). In brain capillaries, S1P acted through S1PR1 to rapidly and reversibly reduce P-glycoprotein transport activity. Sphingosine reduced transport by a sphingosine kinase-dependent mechanism. Importantly, fingolimod (FTY720), a S1P analog recently approved for treatment of multiple sclerosis, also rapidly reduced P-glycoprotein activity; similar effects were found with the active, phosphorylated metabolite (FTY720P). We validated these findings in vivo using in situ brain perfusion in rats. Administration of S1P, FTY720, or FTY729P increased brain uptake of three radiolabeled P-glycoprotein substrates, (3)H-verapamil (threefold increase), (3)H-loperamide (fivefold increase), and (3)H-paclitaxel (fivefold increase); blocking S1PR1 abolished this effect. Tight junctional permeability, measured as brain (14)C-sucrose accumulation, was not altered. Therefore, targeting signaling through S1PR1 at the blood-brain barrier with the sphingolipid-based drugs, FTY720 or FTY720P, can rapidly and reversibly reduce basal P-glycoprotein activity and thus improve delivery of small-molecule therapeutics to the brain.
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50
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Aronica E, Sisodiya SM, Gorter JA. Cerebral expression of drug transporters in epilepsy. Adv Drug Deliv Rev 2012; 64:919-29. [PMID: 22138133 DOI: 10.1016/j.addr.2011.11.008] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2011] [Revised: 10/03/2011] [Accepted: 11/20/2011] [Indexed: 12/26/2022]
Abstract
Over-expression of drug efflux transporters at the level of the blood-brain barrier (BBB) has been proposed as a mechanism responsible for multidrug resistance. Drug transporters in epileptogenic tissue are not only expressed in endothelial cells at the BBB, but also in other brain parenchymal cells, such as astrocytes, microglia and neurons, suggesting a complex cell type-specific regulation under pathological conditions associated with epilepsy. This review focuses on the cerebral expression patterns of several classes of well-known membrane drug transporters such as P-glycoprotein (Pgp), and multidrug resistance-associated proteins (MRPs) in the epileptogenic brain. Both experimental and clinical evidence of epilepsy-associated cerebral drug transporter regulation and the possible mechanisms underlying drug transporter regulation are discussed. Knowledge of the cerebral expression patterns of drug transporters in normal and epileptogenic brain will provide relevant information to guide strategies attempting to overcome drug resistance by targeting specific transporters.
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Affiliation(s)
- Eleonora Aronica
- Department of (Neuro) Pathology, Academic Medical Center, University of Amsterdam, The Netherlands.
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