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Cogill SA, Lee JH, Jeon MT, Kim DG, Chang Y. Hopping the Hurdle: Strategies to Enhance the Molecular Delivery to the Brain through the Blood-Brain Barrier. Cells 2024; 13:789. [PMID: 38786013 PMCID: PMC11119906 DOI: 10.3390/cells13100789] [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: 12/30/2023] [Revised: 04/04/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024] Open
Abstract
Modern medicine has allowed for many advances in neurological and neurodegenerative disease (ND). However, the number of patients suffering from brain diseases is ever increasing and the treatment of brain diseases remains an issue, as drug efficacy is dramatically reduced due to the existence of the unique vascular structure, namely the blood-brain barrier (BBB). Several approaches to enhance drug delivery to the brain have been investigated but many have proven to be unsuccessful due to limited transport or damage induced in the BBB. Alternative approaches to enhance molecular delivery to the brain have been revealed in recent studies through the existence of molecular delivery pathways that regulate the passage of peripheral molecules. In this review, we present recent advancements of the basic research for these delivery pathways as well as examples of promising ventures to overcome the molecular hurdles that will enhance therapeutic interventions in the brain and potentially save the lives of millions of patients.
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Affiliation(s)
- Sinnead Anne Cogill
- Dementia Research Group, Korea Brain Research Institute, Daegu 41062, Republic of Korea; (S.A.C.); (J.-H.L.); (M.-T.J.)
- Department of Brain & Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Jae-Hyeok Lee
- Dementia Research Group, Korea Brain Research Institute, Daegu 41062, Republic of Korea; (S.A.C.); (J.-H.L.); (M.-T.J.)
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Min-Tae Jeon
- Dementia Research Group, Korea Brain Research Institute, Daegu 41062, Republic of Korea; (S.A.C.); (J.-H.L.); (M.-T.J.)
| | - Do-Geun Kim
- Dementia Research Group, Korea Brain Research Institute, Daegu 41062, Republic of Korea; (S.A.C.); (J.-H.L.); (M.-T.J.)
- Department of Brain & Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Yongmin Chang
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Department of Radiology, Kyungpook National University Hospital, Daegu 41944, Republic of Korea
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Chaves JCS, Dando SJ, White AR, Oikari LE. Blood-brain barrier transporters: An overview of function, dysfunction in Alzheimer's disease and strategies for treatment. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166967. [PMID: 38008230 DOI: 10.1016/j.bbadis.2023.166967] [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: 07/21/2023] [Revised: 11/15/2023] [Accepted: 11/17/2023] [Indexed: 11/28/2023]
Abstract
The blood-brain-barrier (BBB) has a major function in maintaining brain homeostasis by regulating the entry of molecules from the blood to the brain. Key players in BBB function are BBB transporters which are highly expressed in brain endothelial cells (BECs) and critical in mediating the exchange of nutrients and waste products. BBB transporters can also influence drug delivery into the brain by inhibiting or facilitating the entry of brain targeting therapeutics for the treatment of brain disorders, such as Alzheimer's disease (AD). Recent studies have shown that AD is associated with a disrupted BBB and transporter dysfunction, although their roles in the development in AD are not fully understand. Modulation of BBB transporter activity may pose a novel approach to enhance the delivery of drugs to the brain for enhanced treatment of AD. In this review, we will give an overview of key functions of BBB transporters and known changes in AD. In addition, we will discuss current strategies for transporter modulation for enhanced drug delivery into the brain.
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Affiliation(s)
- Juliana C S Chaves
- Mental Health and Neuroscience Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia
| | - Samantha J Dando
- Centre for Immunology and Infection Control, School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - Anthony R White
- Mental Health and Neuroscience Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia
| | - Lotta E Oikari
- Mental Health and Neuroscience Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia.
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Chaves JCS, Wasielewska JM, Cuní-López C, Rantanen LM, Lee S, Koistinaho J, White AR, Oikari LE. Alzheimer's disease brain endothelial-like cells reveal differential drug transporter expression and modulation by potentially therapeutic focused ultrasound. Neurotherapeutics 2024; 21:e00299. [PMID: 38241156 PMCID: PMC10903103 DOI: 10.1016/j.neurot.2023.10.009] [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: 10/20/2023] [Accepted: 10/28/2023] [Indexed: 01/21/2024] Open
Abstract
The blood-brain barrier (BBB) has a key function in maintaining homeostasis in the brain, partly modulated by transporters, which are highly expressed in brain endothelial cells (BECs). Transporters mediate the uptake or efflux of compounds to and from the brain and they can also challenge the delivery of drugs for the treatment of Alzheimer's disease (AD). Currently there is a limited understanding of changes in BBB transporters in AD. To investigate this, we generated brain endothelial-like cells (iBECs) from induced pluripotent stem cells (iPSCs) with familial AD (FAD) Presenilin 1 (PSEN1) mutation and identified AD-specific differences in transporter expression compared to control (ctrl) iBECs. We first characterized the expression levels of 12 BBB transporters in AD-, Ctrl-, and isogenic (PSEN1 corrected) iBECs to identify any AD specific differences. We then exposed the cells to focused ultrasound (FUS) in the absence (FUSonly) or presence of microbubbles (MB) (FUS+MB), which is a novel therapeutic method that can be used to transiently open the BBB to increase drug delivery into the brain, however its effects on BBB transporter expression are largely unknown. Following FUSonly and FUS+MB, we investigated whether the expression or activity of key transporters could be modulated. Our findings demonstrate that PSEN1 mutant FAD (PSEN1AD) possess phenotypical differences compared to control iBECs in BBB transporter expression and function. Additionally, we show that FUSonly and FUS+MB can modulate BBB transporter expression and functional activity in iBECs, having potential implications on drug penetration and amyloid clearance. These findings highlight the differential responses of patient cells to FUS treatment, with patient-derived models likely providing an important tool for modelling therapeutic effects of FUS.
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Affiliation(s)
- Juliana C S Chaves
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia
| | - Joanna M Wasielewska
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Carla Cuní-López
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Laura M Rantanen
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia
| | - Serine Lee
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Jari Koistinaho
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neuroscience Center, Kuopio, Finland; Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
| | - Anthony R White
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, QUT, Brisbane, QLD, Australia; Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Lotta E Oikari
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.
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Ramírez-Cruz A, Gómez-González B, Baiza-Gutman LA, Manuel-Apolinar L, Ángeles-Mejía S, López-Cervantes SP, Ortega-Camarillo C, Cruz-López M, Gómez-Olivares JL, Díaz-Flores M. Nicotinamide, an acetylcholinesterase uncompetitive inhibitor, protects the blood‒brain barrier and improves cognitive function in rats fed a hypercaloric diet. Eur J Pharmacol 2023; 959:176068. [PMID: 37775016 DOI: 10.1016/j.ejphar.2023.176068] [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: 06/29/2023] [Accepted: 09/19/2023] [Indexed: 10/01/2023]
Abstract
Oxidative stress and inflammation induced by abundant consumption of high-energy foods and caloric overload are implicated in the dysfunction of the blood‒brain barrier (BBB), cognitive impairment, and overactivation of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE). These enzymes hydrolyse acetylcholine, affecting anti-inflammatory cholinergic signalling. Our aim was to evaluate whether nicotinamide (NAM) attenuates the impairment of the BBB and cognitive function, improving cholinergic signalling. Forty male rats were distributed into five groups: one group was fed a standard diet, and the remaining groups were fed a high-fat diet and a beverage with 40% sucrose (HFS; high-fat sucrose). In three of the HFS groups, the carbohydrate was replaced by drinking water containing different concentrations of NAM for 5 h every morning for 12 weeks. The biochemical profile, levels of stress and inflammation markers, cholinesterase activities, BBB permeability, and cognitive capacity were evaluated. The results showed that the HFS diet disturbed the metabolism of carbohydrates and lipids, causing insulin resistance. Simultaneously, AChE and BChE activities, levels of proinflammatory cytokines, oxidation of proteins and lipoperoxidation increased along with decreased antioxidant capacity in serum. In the hippocampus, increased activity of cholinesterases, protein carbonylation and lipoperoxidation were associated with decreased antioxidant capacity. Systemic and hippocampal changes were reflected in increased BBB permeability and cognitive impairment. In contrast, NAM attenuated the above changes by reducing oxidative stress and inflammation through decreasing cholinesterase activities, especially by uncompetitive inhibition. NAM may be a potential systemic and neuroprotective agent to mitigate cognitive damage due to hypercaloric diets.
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Affiliation(s)
- A Ramírez-Cruz
- Posgrado en Biología Experimental, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Ciudad de México, Mexico; Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
| | - B Gómez-González
- Departamento de Biología de La Reproducción, División de Ciencias Biológicas y de La Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Ciudad de México, Mexico.
| | - L A Baiza-Gutman
- Laboratorio de Biología Del Desarrollo, Unidad de Morfología y Función, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Estado de México, Mexico.
| | - L Manuel-Apolinar
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
| | - S Ángeles-Mejía
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
| | - S P López-Cervantes
- Posgrado en Biología Experimental, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Ciudad de México, Mexico.
| | - C Ortega-Camarillo
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
| | - M Cruz-López
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
| | - J L Gómez-Olivares
- Laboratorio de Biomembranas, División de Ciencias Biológicas y de La Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Ciudad de México, Mexico.
| | - M Díaz-Flores
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano Del Seguro Social, Ciudad de México, Mexico.
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Olarte Carrillo I, Ramos Peñafiel CO, Mendoza Salas I, Cerón Maldonado R, García Laguna AI, De la Cruz Rosas A, Martinez Murrillo C, Martinez Tovar A. Impact of the ABCB1 Drug Resistance Gene on the Risk Factors of Patients with COVID-19 and Its Relationship with the Drugs Used. Infect Drug Resist 2022; 15:2661-2669. [PMID: 35637928 PMCID: PMC9147417 DOI: 10.2147/idr.s358389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 04/29/2022] [Indexed: 11/29/2022] Open
Abstract
Objective In the last two years progress was made in molecular, physio pathological understanding and the form of transmission of COVID-19, and different therapeutic strategies have been explored to deal with the situation of the pandemic. However, the evaluation of certain genes that participate in the metabolism and transport of these drugs has not been fully explored. A lack of response to treatment and a lower survival have been observed that may be due to the presence of the ABCB1 drug resistance gene. Our research group analyzed whether the expression levels of the ABCB1 gene are associated with comorbidities, treatments, overall survival and risk of death in patients with severe COVID-19. Methods The expression levels of the ABCB1 gene were analyzed by RT-qPCR in 61 patients diagnosed with COVID-19. The association between the levels of expression, the risk variables and different treatments were determined by the Chi-Square test and the Fisher’s exact test. Global Survival (GS) was determined by the Kaplan–Meier method. The impact of high levels of expression and the risk of death was performed by odds ratio. Results The different risk variables showed that patients with either high or absent levels of ABCB1 gene expression presented a greater risk of death (OR 3.08, 95%, CI 1.02–9.26) as well as need for ventilatory support (OR 2.8, 95%, CI 0.98 −8.5). Patients with diabetes and COVID-19, treated with metformin, were associated with a lower risk of death (OR 1.11, 95%, CI 0.38–3.22). OS with respect to high or absent levels of expression of the ABCB1 gene was lower. Conclusion High levels or null expression of the ABCB1 gene are associated with a higher risk of death or progression of the disease, the use of metformin in patients with COVID-19 confers a lower risk of death.
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Affiliation(s)
- Irma Olarte Carrillo
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | | | - Iveth Mendoza Salas
- Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | - Rafael Cerón Maldonado
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | - Anel Irais García Laguna
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | - Adrián De la Cruz Rosas
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | - Carlos Martinez Murrillo
- Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
| | - Adolfo Martinez Tovar
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
- Correspondence: Adolfo Martinez Tovar, Labortororio de Biología Molecular, Servicio de Hematología, Hospital General de Mexico “Dr. Eduardo Liceaga”, Ciudad de México, Mexico, Email
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The impact of ABCB1 gene polymorphism (C3435T) and its expression on response to Donepezil in Moroccan patients with Alzheimer's disease. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2021.101443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zhou AL, Sharda N, Sarma VV, Ahlschwede KM, Curran GL, Tang X, Poduslo JF, Kalari KR, Lowe VJ, Kandimalla KK. Age-Dependent Changes in the Plasma and Brain Pharmacokinetics of Amyloid-β Peptides and Insulin. J Alzheimers Dis 2022; 85:1031-1044. [PMID: 34924382 PMCID: PMC10846947 DOI: 10.3233/jad-215128] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Age is the most common risk factor for Alzheimer's disease (AD), a neurodegenerative disorder characterized by the hallmarks of toxic amyloid-β (Aβ) plaques and hyperphosphorylated tau tangles. Moreover, sub-physiological brain insulin levels have emerged as a pathological manifestation of AD. OBJECTIVE Identify age-related changes in the plasma disposition and blood-brain barrier (BBB) trafficking of Aβ peptides and insulin in mice. METHODS Upon systemic injection of 125I-Aβ40, 125I-Aβ42, or 125I-insulin, the plasma pharmacokinetics and brain influx were assessed in wild-type (WT) or AD transgenic (APP/PS1) mice at various ages. Additionally, publicly available single-cell RNA-Seq data [GSE129788] was employed to investigate pathways regulating BBB transport in WT mice at different ages. RESULTS The brain influx of 125I-Aβ40, estimated as the permeability-surface area product, decreased with age, accompanied by an increase in plasma AUC. In contrast, the brain influx of 125I-Aβ42 increased with age, accompanied by a decrease in plasma AUC. The age-dependent changes observed in WT mice were accelerated in APP/PS1 mice. As seen with 125I-Aβ40, the brain influx of 125I-insulin decreased with age in WT mice, accompanied by an increase in plasma AUC. This finding was further supported by dynamic single-photon emission computed tomography (SPECT/CT) imaging studies. RAGE and PI3K/AKT signaling pathways at the BBB, which are implicated in Aβ and insulin transcytosis, respectively, were upregulated with age in WT mice, indicating BBB insulin resistance. CONCLUSION Aging differentially affects the plasma pharmacokinetics and brain influx of Aβ isoforms and insulin in a manner that could potentially augment AD risk.
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Affiliation(s)
- Andrew L. Zhou
- Department of Pharmaceutics and Brain Barriers Research Center, University of Minnesota, College of Pharmacy, Minneapolis, MN, USA
| | - Nidhi Sharda
- Department of Pharmaceutics and Brain Barriers Research Center, University of Minnesota, College of Pharmacy, Minneapolis, MN, USA
| | - Vidur V. Sarma
- Department of Pharmaceutics and Brain Barriers Research Center, University of Minnesota, College of Pharmacy, Minneapolis, MN, USA
| | - Kristen M. Ahlschwede
- Department of Pharmaceutical Sciences, Rosalind Franklin University of Medicine and Science, College of Pharmacy, North Chicago, IL, USA
| | - Geoffry L. Curran
- Department of Radiology, Mayo Clinic, College of Medicine, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, College of Medicine, Rochester, MN, USA
| | - Xiaojia Tang
- Department of Health Sciences, Mayo Clinic, College of Medicine, Rochester, MN, USA
| | - Joseph F. Poduslo
- Department of Neurology, Mayo Clinic, College of Medicine, Rochester, MN, USA
| | - Krishna R. Kalari
- Department of Health Sciences, Mayo Clinic, College of Medicine, Rochester, MN, USA
| | - Val J. Lowe
- Department of Radiology, Mayo Clinic, College of Medicine, Rochester, MN, USA
| | - Karunya K. Kandimalla
- Department of Pharmaceutics and Brain Barriers Research Center, University of Minnesota, College of Pharmacy, Minneapolis, MN, USA
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Sharma P, Singh N, Sharma S. ATP binding cassette transporters and cancer: revisiting their controversial role. Pharmacogenomics 2021; 22:1211-1235. [PMID: 34783261 DOI: 10.2217/pgs-2021-0116] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The expression of ATP-binding cassette transporter (ABC transporters) has been reported in various tissues such as the lung, liver, kidney, brain and intestine. These proteins account for the efflux of different compounds and metabolites across the membrane, thus decreasing the concentration of the toxic compounds. ABC transporter genes play a vital role in the development of multidrug resistance, which is the main obstacle that hinders the success of chemotherapy. Preclinical and clinical trials have investigated the probability of overcoming drug-associated resistance and substantial toxicities. The focus has been put on several strategies to overcome multidrug resistance. These strategies include the development of modulators that can modulate ABC transporters. This knowledge can be translated for clinical oncology treatment in the future.
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Affiliation(s)
- Parul Sharma
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, India
| | - Navneet Singh
- Department of Pulmonary medicine, Post Graduate Institute of Medical Education & Research, Chandigarh, India
| | - Siddharth Sharma
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala, India
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Li Y, Meng Q, Yang M, Liu D, Hou X, Tang L, Wang X, Lyu Y, Chen X, Liu K, Yu AM, Zuo Z, Bi H. Current trends in drug metabolism and pharmacokinetics. Acta Pharm Sin B 2019; 9:1113-1144. [PMID: 31867160 PMCID: PMC6900561 DOI: 10.1016/j.apsb.2019.10.001] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 08/23/2019] [Accepted: 09/09/2019] [Indexed: 12/15/2022] Open
Abstract
Pharmacokinetics (PK) is the study of the absorption, distribution, metabolism, and excretion (ADME) processes of a drug. Understanding PK properties is essential for drug development and precision medication. In this review we provided an overview of recent research on PK with focus on the following aspects: (1) an update on drug-metabolizing enzymes and transporters in the determination of PK, as well as advances in xenobiotic receptors and noncoding RNAs (ncRNAs) in the modulation of PK, providing new understanding of the transcriptional and posttranscriptional regulatory mechanisms that result in inter-individual variations in pharmacotherapy; (2) current status and trends in assessing drug-drug interactions, especially interactions between drugs and herbs, between drugs and therapeutic biologics, and microbiota-mediated interactions; (3) advances in understanding the effects of diseases on PK, particularly changes in metabolizing enzymes and transporters with disease progression; (4) trends in mathematical modeling including physiologically-based PK modeling and novel animal models such as CRISPR/Cas9-based animal models for DMPK studies; (5) emerging non-classical xenobiotic metabolic pathways and the involvement of novel metabolic enzymes, especially non-P450s. Existing challenges and perspectives on future directions are discussed, and may stimulate the development of new research models, technologies, and strategies towards the development of better drugs and improved clinical practice.
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Affiliation(s)
- Yuhua Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
- The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Qiang Meng
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Mengbi Yang
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Dongyang Liu
- Drug Clinical Trial Center, Peking University Third Hospital, Beijing 100191, China
| | - Xiangyu Hou
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Lan Tang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xin Wang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Yuanfeng Lyu
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Xiaoyan Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Kexin Liu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Ai-Ming Yu
- UC Davis School of Medicine, Sacramento, CA 95817, USA
| | - Zhong Zuo
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, China
| | - Huichang Bi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China
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Changes of Blood-Brain Barrier and Brain Parenchymal Protein Expression Levels of Mice under Different Insulin-Resistance Conditions Induced by High-Fat Diet. Pharm Res 2019; 36:141. [PMID: 31367840 DOI: 10.1007/s11095-019-2674-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 07/20/2019] [Indexed: 12/13/2022]
Abstract
PURPOSE The purpose of the present study was to investigate changes of blood-brain barrier (BBB) and brain parenchymal protein expression due to type II diabetes mellitus (T2DM) induced by a high-fat diet (HFD) by using SWATH-based quantitative proteomics. METHODS Mice were fed a HFD for 2 or 10 weeks, and then SWATH-based quantitative proteomic analysis, western blot analysis, immunohistochemistry and functional transport studies were performed. RESULTS In brain capillaries, expression levels of BBB transporters (Glut1, P-glycoprotein) and tight-junction proteins (claudin-5, occludin) were significantly reduced in HFD mice at 2 weeks, but recovered to the levels in the normal diet (ND) group at 10 weeks. P-glycoprotein function at the BBB was reduced at 2 weeks. In the cerebral cortex and hippocampus, neurofilament, which is important for neuronal function, was decreased in HFD mice at 2 weeks, but recovered at 10 weeks. CONCLUSION Our results suggest that changes in the status of insulin resistance influence expression of BBB transporters, which in turn may alter the expression of cognitive function-related proteins.
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Expression Pattern of microRNAs, miR-21, miR-155 and miR-338 in Patients with Type 1 Diabetes. Arch Med Res 2019; 50:79-85. [PMID: 31495393 DOI: 10.1016/j.arcmed.2019.07.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 06/04/2019] [Accepted: 07/03/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Type 1 diabetes (T1D) is a multifactorial disease identified by a deficiency in the production of insulin. MicroRNAs (miRNAs) are identified as important epigenetic regulators in T1D. Many studies highlight the differential expression of these small non-coding molecules in the pathogenesis of T1D. AIM OF THE STUDY In the present study, the expression pattern of miR-21, miR-155 and miR-338 were analyzed in the peripheral blood mononuclear cells (PBMCs) of T1D patients compared to healthy controls. METHODS The expression levels of miR-21, miR-155 and miR-338 were measured in the PBMCs of 30 T1D patients and 11 healthy controls by real time PCR method. The final results were statistically analyzed and ROC curves were created for miRNAs with significant differential expression. RESULTS Both miR-155 (p value: 0.021) and miR-21 (p value: 0.05) were upregulated in the PBMCs of T1D patients compared to healthy controls. There was no significant difference in the expression level of miR-338 between patients and controls. Furthermore, ROC curve analysis was performed for miR-21 (AUC: 0.65) and miR-155 (AUC: 0.73) which suggests the potential role of miR-155 as a biomarker in T1D patients. Using integrative computational analysis, a number of dysregulated miR155-mRNA and miR21-mRNA interactions were also suggested. CONCLUSION Our findings suggest the significant association between the expression levels of miR-21 and miR-155 with T1D. In addition, miR-155 (AUC: 0.73) could be considered as a possible biomarker to track disease in T1D patients.
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Development of precision medicine approaches based on inter-individual variability of BCRP/ ABCG2. Acta Pharm Sin B 2019; 9:659-674. [PMID: 31384528 PMCID: PMC6664102 DOI: 10.1016/j.apsb.2019.01.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 12/11/2018] [Accepted: 12/12/2018] [Indexed: 12/15/2022] Open
Abstract
Precision medicine is a rapidly-developing modality of medicine in human healthcare. Based on each patient׳s unique characteristics, more accurate dosages and drug selection can be made to achieve better therapeutic efficacy and less adverse reactions in precision medicine. A patient׳s individual parameters that affect drug transporter action can be used to develop a precision medicine guidance, due to the fact that therapeutic efficacy and adverse reactions of drugs can both be affected by expression and function of drug transporters on the cell membrane surface. The purpose of this review is to summarize unique characteristics of human breast cancer resistant protein (BCRP) and the genetic variability in the BCRP encoded gene ABCG2 in the development of precision medicine. Inter-individual variability of BCRP/ABCG2 can impact choices and outcomes of drug treatment for several diseases, including cancer chemotherapy. Several factors have been implicated in expression and function of BCRP, including genetic, epigenetic, physiologic, pathologic, and environmental factors. Understanding the roles of these factors in controlling expression and function of BCRP is critical for the development of precision medicine based on BCRP-mediated drug transport.
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Key Words
- 3′-UTR, 3′-untranslated region
- 5-aza-C, 5-aza-2′-deoxycytidine
- ABCG2, ATP-binding cassette subfamily G member 2
- ALL, acute lymphocytic leukemia
- AML, acute myeloid leukemia
- AUC, area under curve
- BCRP
- BCRP, breast cancer resistant protein
- Epigenetics
- FTC, fumitremorgin C
- Gene polymorphisms
- H3K4me3, histone H3 lysine 4 trimethylation
- H3K9me3, histone H3 lysine 9 trimethylation
- H3S10P, histone H3 serine 10 phosphorylation
- HDAC, histone deacetylase
- HIF-1α, hypoxia inducible factor 1 subunit alpha
- HIV-1, human immunodeficiency virus type-1
- HMG-CoA, β-hydroxy-β-methyl-glutaryl-coenzyme A
- MDR, multidrug resistance
- MDR1, multidrug resistance 1
- NBD, nucleotide binding domain
- P-gp, P-glycoprotein
- Physiologic factors
- Precision medicine
- RISC, RNA-induced silencing complex
- SNP, Single nucleotide polymorphism
- TKI, tyrosine kinase inhibitor
- Tat, transactivator protein
- miRNA, microRNA
- siRNA, small RNA interference
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Liu L, Liu X. Contributions of Drug Transporters to Blood-Brain Barriers. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1141:407-466. [PMID: 31571171 DOI: 10.1007/978-981-13-7647-4_9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Blood-brain interfaces comprise the cerebral microvessel endothelium forming the blood-brain barrier (BBB) and the epithelium of the choroid plexuses forming the blood-cerebrospinal fluid barrier (BCSFB). Their main functions are to impede free diffusion between brain fluids and blood; to provide transport processes for essential nutrients, ions, and metabolic waste products; and to regulate the homeostasis of central nervous system (CNS), all of which are attributed to absent fenestrations, high expression of tight junction proteins at cell-cell contacts, and expression of multiple transporters, receptors, and enzymes. Existence of BBB is an important reason that systemic drug administration is not suitable for the treatment of CNS diseases. Some diseases, such epilepsy, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and diabetes, alter BBB function via affecting tight junction proteins or altering expression and function of these transporters. This chapter will illustrate function of BBB, expression of transporters, as well as their alterations under disease status.
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Affiliation(s)
- Li Liu
- China Pharmaceutical University, Nanjing, China
| | - Xiaodong Liu
- China Pharmaceutical University, Nanjing, China.
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14
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Overview: Role of Drug Transporters in Drug Disposition and Its Clinical Significance. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1141:1-12. [PMID: 31571163 DOI: 10.1007/978-981-13-7647-4_1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Absorption, distribution, and excretion of drugs are involved in drug transport across plasma membrane, most of which are mediated by drug transporters. These drug transporters are generally divided into solute carrier (SLC) family and ATP-binding cassette (ABC) family. These transporters not only mediate transport of therapeutic drugs across membrane but also transport various kinds of endogenous compounds. Thus besides being participated in disposal of drug and its clinical efficacy/toxicity, these transporters also play vital roles in maintaining cell homeostasis via regulating transport of endogenous compounds. This chapter will outline classification of drug transporters, their roles in drug disposal/drug response, and remote communication between tissues/organs.
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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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16
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Morris G, Fernandes BS, Puri BK, Walker AJ, Carvalho AF, Berk M. Leaky brain in neurological and psychiatric disorders: Drivers and consequences. Aust N Z J Psychiatry 2018; 52:924-948. [PMID: 30231628 DOI: 10.1177/0004867418796955] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The blood-brain barrier acts as a highly regulated interface; its dysfunction may exacerbate, and perhaps initiate, neurological and neuropsychiatric disorders. METHODS In this narrative review, focussing on redox, inflammatory and mitochondrial pathways and their effects on the blood-brain barrier, a model is proposed detailing mechanisms which might explain how increases in blood-brain barrier permeability occur and can be maintained with increasing inflammatory and oxidative and nitrosative stress being the initial drivers. RESULTS Peripheral inflammation, which is causatively implicated in the pathogenesis of major psychiatric disorders, is associated with elevated peripheral pro-inflammatory cytokines, which in turn cause increased blood-brain barrier permeability. Reactive oxygen species, such as superoxide radicals and hydrogen peroxide, and reactive nitrogen species, such as nitric oxide and peroxynitrite, play essential roles in normal brain capillary endothelial cell functioning; however, chronically elevated oxidative and nitrosative stress can lead to mitochondrial dysfunction and damage to the blood-brain barrier. Activated microglia, redox control of which is mediated by nitric oxide synthases and nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, secrete neurotoxic molecules such as reactive oxygen species, nitric oxide, prostaglandin, cyclooxygenase-2, quinolinic acid, several chemokines (including monocyte chemoattractant protein-1 [MCP-1], C-X-C motif chemokine ligand 1 [CXCL-1] and macrophage inflammatory protein 1α [MIP-1α]) and the pro-inflammatory cytokines interleukin-6, tumour necrosis factor-α and interleukin-1β, which can exert a detrimental effect on blood-brain barrier integrity and function. Similarly, reactive astrocytes produce neurotoxic molecules such as prostaglandin E2 and pro-inflammatory cytokines, which can cause a 'leaky brain'. CONCLUSION Chronic inflammatory and oxidative and nitrosative stress is associated with the development of a 'leaky gut'. The following evidence-based approaches, which address the leaky gut and blood-brain barrier dysfunction, are suggested as potential therapeutic interventions for neurological and neuropsychiatric disorders: melatonin, statins, probiotics containing Bifidobacteria and Lactobacilli, N-acetylcysteine, and prebiotics containing fructo-oligosaccharides and galacto-oligosaccharides.
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Affiliation(s)
- Gerwyn Morris
- 1 IMPACT Strategic Research Centre, Deakin University School of Medicine, and Barwon Health, Geelong, VIC, Australia
| | - Brisa S Fernandes
- 1 IMPACT Strategic Research Centre, Deakin University School of Medicine, and Barwon Health, Geelong, VIC, Australia.,2 Centre for Addiction and Mental Health (CAMH) and Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Basant K Puri
- 3 Department of Medicine, Hammersmith Hospital, Imperial College London, London, UK
| | - Adam J Walker
- 1 IMPACT Strategic Research Centre, Deakin University School of Medicine, and Barwon Health, Geelong, VIC, Australia
| | - Andre F Carvalho
- 2 Centre for Addiction and Mental Health (CAMH) and Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Michael Berk
- 1 IMPACT Strategic Research Centre, Deakin University School of Medicine, and Barwon Health, Geelong, VIC, Australia.,4 Orygen, The National Centre of Excellence in Youth Mental Health, The Department of Psychiatry and The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
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Chen F, Li DY, Zhang B, Sun JY, Sun F, Ji X, Qiu JC, Parker RB, Laizure SC, Xu J. Alterations of drug-metabolizing enzymes and transporters under diabetic conditions: what is the potential clinical significance? Drug Metab Rev 2018; 50:369-397. [PMID: 30221555 DOI: 10.1080/03602532.2018.1497645] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Feng Chen
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - De-Yi Li
- School of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Bo Zhang
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Jie-Yu Sun
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Fang Sun
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xing Ji
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Jin-Chun Qiu
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Robert B. Parker
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - S. Casey Laizure
- Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Jing Xu
- Department of Pharmacy, Children's Hospital of Nanjing Medical University, Nanjing, China
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Liu L, Miao M, Chen Y, Wang Z, Sun B, Liu X. Altered Function and Expression of ABC Transporters at the Blood-Brain Barrier and Increased Brain Distribution of Phenobarbital in Acute Liver Failure Mice. Front Pharmacol 2018; 9:190. [PMID: 29559914 PMCID: PMC5845647 DOI: 10.3389/fphar.2018.00190] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 02/20/2018] [Indexed: 12/12/2022] Open
Abstract
This study investigated alterations in the function and expression of P-glycoprotein (P-GP), breast cancer resistance protein (BCRP), and multidrug resistance-associated protein 2 (MRP2) at the blood–brain barrier (BBB) of acute liver failure (ALF) mice and its clinical significance. ALF mice were developed using intraperitoneal injection of thioacetamide. P-GP, BCRP, and MRP2 functions were determined by measuring the ratios of brain-to-plasma concentration of rhodamine 123, prazosin, and dinitrophenyl-S-glutathione, respectively. The mRNA and proteins expression levels of P-GP, BCRP, and MRP2 were evaluated with quantitative real-time PCR and western blot, respectively. MDCK-MDR1 and HCMEC/D3 cells were used to document the effects of the abnormally altered components in serum of ALF mice on the function and expression of P-GP. The clinical significance of alteration in P-GP function and expression was investigated by determining the distribution of the P-GP substrate phenobarbital (60 mg/kg, intravenous administration) in the brain and loss of righting reflex (LORR) induced by the drug (100 mg/kg). The results showed that ALF significantly downregulated the function and expression of both P-GP and BCRP, but increased the function and expression of MRP2 in the brain of mice. Cell study showed that increased chenodeoxycholic acid may be a reason behind the downregulated P-GP function and expression. Compared with control mice, ALF mice showed a significantly higher brain concentration of phenobarbital and higher brain-to-plasma concentration ratios. In accordance, ALF mice showed a significantly larger duration of LORR and shorter latency time of LORR by phenobarbital, inferring the enhanced pharmacological effect of phenobarbital on the central nervous system (CNS). In conclusion, the function and expression of P-GP and BCRP decreased, while the function and expression of MRP2 increased in the brain of ALF mice. The attenuated function and expression of P-GP at the BBB might enhance phenobarbital distribution in the brain and increase phenobarbital efficacy on the CNS of ALF mice.
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Affiliation(s)
- Li Liu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Mingxing Miao
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yang Chen
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhongjian Wang
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Binbin Sun
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaodong Liu
- Center of Drug Metabolism and Pharmacokinetics, School of Pharmacy, China Pharmaceutical University, Nanjing, China
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Tsuneki H, Yoshida H, Endo K, Mori N, Hosoh S, Tsuda M, Wada T, Sasaoka T. Different impacts of acylated and non-acylated long-acting insulin analogs on neural functions in vitro and in vivo. Diabetes Res Clin Pract 2017; 129:62-72. [PMID: 28511140 DOI: 10.1016/j.diabres.2017.03.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 03/13/2017] [Accepted: 03/28/2017] [Indexed: 01/06/2023]
Abstract
AIMS Centrally administered insulin improves cognitive functions in patients with Alzheimer's disease; however, it remains unknown whether long-acting insulin analogs exert more pronounced effects than insulin. In the present study, we directly compared the effects of insulin and its analogs on neural functions in vitro and in vivo. METHODS Cultured rat cerebral cortical neurons were treated with insulin, insulin glargine U100 (Gla), insulin detemir (Det), or insulin degludec (Deg). Moreover, these drugs were intracerebroventricularly administered to mice. Their efficacies were evaluated by biochemical and behavioral analyses. RESULTS In cultured neurons, insulin, Gla, and Det increased phosphorylation of Akt and enhanced gene expression of brain-derived neurotrophic factor to a similar extent, although Deg was less effective. The effects of Det and Deg, but not insulin and Gla were suppressed by addition of albumin. When the drug was centrally administered, the increasing effects of insulin on the Akt phosphorylation were comparable to those of Gla but greater than those of Det in hippocampus and cerebral cortex of diabetic db/db and non-diabetic db/m+ mice. Moreover, insulin and Gla enhanced memory functions in Y-maze test and suppressed depression-like behavior in forced swim test in normal mice to a similar extent, and these effects were more potent than those of Det. CONCLUSIONS Insulin and Gla have greater impacts on central nervous system than insulin analogs with high albumin sensitivity, such as Det and Deg. These pharmacological profiles should be taken into account for developing an insulin-based therapy to treat Alzheimer's disease.
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Affiliation(s)
- Hiroshi Tsuneki
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Hitomi Yoshida
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Kosuke Endo
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Norihiko Mori
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Shuji Hosoh
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Masaaki Tsuda
- Department of Biological Chemistry, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Tsutomu Wada
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Toshiyasu Sasaoka
- Department of Clinical Pharmacology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
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Saidijam M, Karimi Dermani F, Sohrabi S, Patching SG. Efflux proteins at the blood-brain barrier: review and bioinformatics analysis. Xenobiotica 2017; 48:506-532. [PMID: 28481715 DOI: 10.1080/00498254.2017.1328148] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
1. Efflux proteins at the blood-brain barrier provide a mechanism for export of waste products of normal metabolism from the brain and help to maintain brain homeostasis. They also prevent entry into the brain of a wide range of potentially harmful compounds such as drugs and xenobiotics. 2. Conversely, efflux proteins also hinder delivery of therapeutic drugs to the brain and central nervous system used to treat brain tumours and neurological disorders. For bypassing efflux proteins, a comprehensive understanding of their structures, functions and molecular mechanisms is necessary, along with new strategies and technologies for delivery of drugs across the blood-brain barrier. 3. We review efflux proteins at the blood-brain barrier, classified as either ATP-binding cassette (ABC) transporters (P-gp, BCRP, MRPs) or solute carrier (SLC) transporters (OATP1A2, OATP1A4, OATP1C1, OATP2B1, OAT3, EAATs, PMAT/hENT4 and MATE1). 4. This includes information about substrate and inhibitor specificity, structural organisation and mechanism, membrane localisation, regulation of expression and activity, effects of diseases and conditions and the principal technique used for in vivo analysis of efflux protein activity: positron emission tomography (PET). 5. We also performed analyses of evolutionary relationships, membrane topologies and amino acid compositions of the proteins, and linked these to structure and function.
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Affiliation(s)
- Massoud Saidijam
- a Department of Molecular Medicine and Genetics , Research Centre for Molecular Medicine, School of Medicine, Hamadan University of Medical Sciences , Hamadan , Iran and
| | - Fatemeh Karimi Dermani
- a Department of Molecular Medicine and Genetics , Research Centre for Molecular Medicine, School of Medicine, Hamadan University of Medical Sciences , Hamadan , Iran and
| | - Sareh Sohrabi
- a Department of Molecular Medicine and Genetics , Research Centre for Molecular Medicine, School of Medicine, Hamadan University of Medical Sciences , Hamadan , Iran and
| | - Simon G Patching
- b School of BioMedical Sciences and the Astbury Centre for Structural Molecular Biology, University of Leeds , Leeds , UK
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Dorsemans AC, Couret D, Hoarau A, Meilhac O, Lefebvre d'Hellencourt C, Diotel N. Diabetes, adult neurogenesis and brain remodeling: New insights from rodent and zebrafish models. NEUROGENESIS 2017; 4:e1281862. [PMID: 28439518 DOI: 10.1080/23262133.2017.1281862] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/25/2016] [Accepted: 01/10/2017] [Indexed: 12/24/2022]
Abstract
The prevalence of diabetes rapidly increased during the last decades in association with important changes in lifestyle. Diabetes and hyperglycemia are well-known for inducing deleterious effects on physiologic processes, increasing for instance cardiovascular diseases, nephropathy, retinopathy and foot ulceration. Interestingly, diabetes also impairs brain morphology and functions such as (1) decreased neurogenesis (proliferation, differentiation and cell survival), (2) decreased brain volumes, (3) increased blood-brain barrier leakage, (4) increased cognitive impairments, as well as (5) increased stroke incidence and worse neurologic outcomes following stroke. Importantly, diabetes is positively associated with a higher risk to develop Alzheimer disease. In this context, we aim at reviewing the impact of diabetes on neural stem cell proliferation, newborn cell differentiation and survival in a homeostatic context or following stroke. We also report the effects of hyper- and hypoglycemia on the blood-brain barrier physiology through modifications of tight junctions and transporters. Finally, we discuss the implication of diabetes on cognition and behavior.
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Affiliation(s)
- Anne-Claire Dorsemans
- Université de La Réunion, INSERM, UMR Diabète athérothrombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France
| | - David Couret
- Université de La Réunion, INSERM, UMR Diabète athérothrombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France.,CHU de La Réunion, Saint-Pierre, France
| | - Anaïs Hoarau
- Université de La Réunion, INSERM, UMR Diabète athérothrombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France
| | - Olivier Meilhac
- Université de La Réunion, INSERM, UMR Diabète athérothrombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France.,CHU de La Réunion, Saint-Pierre, France
| | | | - Nicolas Diotel
- Université de La Réunion, INSERM, UMR Diabète athérothrombose Réunion Océan Indien (DéTROI), Saint-Denis de La Réunion, France
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22
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Mfsd2a-based pharmacological strategies for drug delivery across the blood–brain barrier. Pharmacol Res 2016; 104:124-31. [DOI: 10.1016/j.phrs.2015.12.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/20/2015] [Accepted: 12/20/2015] [Indexed: 12/20/2022]
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Altered Expression of Transporters, its Potential Mechanisms and Influences in the Liver of Rodent Models Associated with Diabetes Mellitus and Obesity. Eur J Drug Metab Pharmacokinet 2015; 41:199-210. [PMID: 26597190 DOI: 10.1007/s13318-015-0306-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Diabetes mellitus is becoming an increasingly prevalent disease that concerns patients and healthcare professionals worldwide. Among many anti-diabetic agents in clinical uses, numerous reports are available on their altered pharmacokinetics because of changes in the expression of drug transporters and metabolic enzymes under diabetic states. These changes may affect the safety and efficacy of therapeutic agents and/or drug-drug interaction with co-administered agents. Therefore, the changes in transporter expression should be identified, and the underlying mechanisms should be clarified. This review summarizes the progress of recent studies on the alterations in important uptake and efflux transporters in liver of diabetic animals and their regulatory pathways.
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Saunders NR, Dziegielewska KM, Møllgård K, Habgood MD. Markers for blood-brain barrier integrity: how appropriate is Evans blue in the twenty-first century and what are the alternatives? Front Neurosci 2015; 9:385. [PMID: 26578854 PMCID: PMC4624851 DOI: 10.3389/fnins.2015.00385] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 10/05/2015] [Indexed: 11/18/2022] Open
Abstract
In recent years there has been a resurgence of interest in brain barriers and various roles their intrinsic mechanisms may play in neurological disorders. Such studies require suitable models and markers to demonstrate integrity and functional changes at the interfaces between blood, brain, and cerebrospinal fluid. Studies of brain barrier mechanisms and measurements of plasma volume using dyes have a long-standing history, dating back to the late nineteenth-century. Their use in blood-brain barrier studies continues in spite of their known serious limitations in in vivo applications. These were well known when first introduced, but seem to have been forgotten since. Understanding these limitations is important because Evans blue is still the most commonly used marker of brain barrier integrity and those using it seem oblivious to problems arising from its in vivo application. The introduction of HRP in the mid twentieth-century was an important advance because its reaction product can be visualized at the electron microscopical level, but it also has limitations. Advantages and disadvantages of these markers will be discussed together with a critical evaluation of alternative approaches. There is no single marker suitable for all purposes. A combination of different sized, visualizable dextrans and radiolabeled molecules currently seems to be the most appropriate approach for qualitative and quantitative assessment of barrier integrity.
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Affiliation(s)
- Norman R Saunders
- Laboratory of Developmental Neurobiology and Neurotrauma, Department of Pharmacology and Therapeutics, University of Melbourne Parkville, VIC, Australia
| | - Katarzyna M Dziegielewska
- Laboratory of Developmental Neurobiology and Neurotrauma, Department of Pharmacology and Therapeutics, University of Melbourne Parkville, VIC, Australia
| | - Kjeld Møllgård
- Department of Cellular and Molecular Medicine, University of Copenhagen Copenhagen, Denmark
| | - Mark D Habgood
- Laboratory of Developmental Neurobiology and Neurotrauma, Department of Pharmacology and Therapeutics, University of Melbourne Parkville, VIC, Australia
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Prasad S, Sajja RK, Park JH, Naik P, Kaisar MA, Cucullo L. Impact of cigarette smoke extract and hyperglycemic conditions on blood-brain barrier endothelial cells. Fluids Barriers CNS 2015. [PMID: 26206552 PMCID: PMC4513397 DOI: 10.1186/s12987-015-0014-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Diabetes and tobacco smoking are significant public health concerns which have been shown to independently impact the blood–brain barrier (BBB). Since smoking is a risk factor for diabetes and shares some of the common pathological pathways leading to metabolic abnormalities, it is hypothesized that their combination would produce additive or synergistic BBB dysfunction. Therefore, the objective of this study was to assess this hypothesis and evaluate the magnitude of these effects in vitro using hCMEC/D3 cells; a well-established human BBB endothelial cell line. Methods Monolayers of hCMEC/D3 cells were exposed to hyperglycemic conditions (HG; 35 mM) or 5% soluble cigarette smoke extracts (CSE, model of mainstream smoke exposure) for 12–24 h. Cells were then harvested for subsequent biochemical analyses. Transendothelial electrical resistance (TEER) and paracellular permeability to florescent dextrans were used to assess monolayer integrity. Analysis of released factors and cytokines was carried out by ELISA. Western blot (WB) analysis/immunofluorescence of relevant molecular targets was carried out. P-gp efflux activity was measured using rhodamine 123. Results Immunofluorescence and WB data showed a significant ZO-1 down-regulation by HG and/or CSE over 24 h exposure. CSE in presence of HG produced a synergistic increase in release of vascular endothelial growth factor that was accompanied by decreased TEER and augmented permeability to labeled dextrans in a size-dependent manner. Moreover, CSE increased the expression of GLUT-1 and SGLT-1 in isolated membrane fractions of hCMEC/D3 cells. The effect was amplified by HG. Both, HG and CSE elicited the membrane upregulation of P-glycoprotein (P-gp) expression which however, was not paralleled by a comparable efflux activity. Interestingly, concomitant exposure to HG and CSE evoked a marked upregulation of PECAM-1 and other pro-inflammatory markers including IL-6 and -8, when compared to each condition alone. Moreover, exposure to all tested conditions amplified (to a different degree) cellular oxidative stress response denoted by increased Nrf2 nuclear translocation. Conclusion Overall, our results have clearly shown an additive pattern in the release of angiogenic and inflammatory factors following concomitant exposure to HG and CSE. This suggests the involvement of common key modulators in BBB impairment by both CS and HG possibly through the activation of oxidative stress responses.
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Affiliation(s)
- Shikha Prasad
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA.
| | - Ravi K Sajja
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA.
| | - Jee Hyun Park
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA.
| | - Pooja Naik
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA.
| | - Mohammad Abul Kaisar
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA.
| | - Luca Cucullo
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 1300 S. Coulter Street, Amarillo, TX, 79106, USA. .,Center for Blood Brain Barrier Research, Texas Tech University Health Sciences Center, Amarillo, TX, 79106, USA.
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Vandal M, Bourassa P, Calon F. Can insulin signaling pathways be targeted to transport Aβ out of the brain? Front Aging Neurosci 2015; 7:114. [PMID: 26136681 PMCID: PMC4468380 DOI: 10.3389/fnagi.2015.00114] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 05/29/2015] [Indexed: 12/11/2022] Open
Abstract
Although the causal role of Amyloid-β (Aβ) in Alzheimer’s disease (AD) is unclear, it is still reasonable to expect that lowering concentrations of Aβ in the brain may decrease the risk of developing the neurocognitive symptoms of the disease. Brain capillary endothelial cells forming the blood-brain barrier (BBB) express transporters regulating the efflux of Aβ out of the cerebral tissue. Age-related BBB dysfunctions, that have been identified in AD patients, might impair Aβ clearance from the brain. Thus, targeting BBB outward transport systems has been suggested as a way to stimulate the clearance of Aβ from the brain. Recent data indicate that the increase in soluble brain Aβ and behavioral impairments in 3×Tg-AD mice generated by months of intake of a high-fat diet can be acutely reversed by the administration of a single dose of insulin. A concomitant increase in plasma Aβ suggests that clearance from the brain through the BBB is a likely mechanism for this rapid effect of insulin. Here, we review how BBB insulin response pathways could be stimulated to decrease brain Aβ concentrations and improve cognitive performance, at least on the short term.
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Affiliation(s)
- Milene Vandal
- Faculté de Pharmacie, Université Laval Quebec, QC, Canada ; Axe Neurosciences, Centre de Recherche du Centre Hospitalier de l'Université Laval (CHUL) Québec, QC, Canada ; Institut des Nutraceutiques et des Aliments Fonctionnels, Université Laval Québec, QC, Canada
| | - Philippe Bourassa
- Faculté de Pharmacie, Université Laval Quebec, QC, Canada ; Axe Neurosciences, Centre de Recherche du Centre Hospitalier de l'Université Laval (CHUL) Québec, QC, Canada ; Institut des Nutraceutiques et des Aliments Fonctionnels, Université Laval Québec, QC, Canada
| | - Frédéric Calon
- Faculté de Pharmacie, Université Laval Quebec, QC, Canada ; Axe Neurosciences, Centre de Recherche du Centre Hospitalier de l'Université Laval (CHUL) Québec, QC, Canada ; Institut des Nutraceutiques et des Aliments Fonctionnels, Université Laval Québec, QC, Canada
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Sajja RK, Cucullo L. Altered glycaemia differentially modulates efflux transporter expression and activity in hCMEC/D3 cell line. Neurosci Lett 2015; 598:59-65. [PMID: 25982326 DOI: 10.1016/j.neulet.2015.05.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 04/18/2015] [Accepted: 05/09/2015] [Indexed: 11/29/2022]
Abstract
The unique phenotype of blood-brain barrier (BBB) endothelium is partly maintained by abundant expression of ATP-binding cassette superfamily of efflux transporters that strictly restrict the CNS access to toxic substances including xenobiotics in circulation. Previously, we have shown that diabetes-related altered glycemic conditions differentially affect and compromise BBB integrity. However, the impact of diabetes on BBB efflux transporters is less understood. In this study, we examined the effects of single or repeated episodes of hypo-and hyperglycemia on major BBB efflux transporters expression/function in human cerebromicrovascular endothelial cell line (hCMEC/D3). Cells were exposed to normal (5.5 mM), hypo (2.2 mM) or hyper (25 or 35 mM)-glycemic media containing D-glucose for 12h (acute) or two 3h episodes/day of hypo- or hyperglycemia with an intercalated 2h normalglycemic exposure for 3 days ("glycemic variability", see Methods). Acute hypoglycemic exposure (12h) up-regulated BBB endothelial mRNA and protein expression of P-glycoprotein, BCRP and other multidrug resistance associated proteins (MRP1 and 4) paralleled by an increase in transporter-specific efflux activity (∼ 2-fold vs. control). Although, 12h hyperglycemia did not affect the efflux transporter expression (except for MRP4), a significant increase in BCRP activity was observed. By contrast, DNA microarray data revealed that repeated hyperglycemic episodes (but not hypoglycemia) significantly up-regulate P-glycoprotein expression and activity. Thus, this study suggests a differential impact of altered glycemic conditions on major BBB drug efflux transporters expression/function, sensitive to the length of exposure (acute vs. repeated), with an implication for altered CNS drug disposition in diabetic population.
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Affiliation(s)
- Ravi K Sajja
- Center for Blood-Brain Barrier Research, Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA
| | - Luca Cucullo
- Center for Blood-Brain Barrier Research, Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA.
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