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Hirsch S, Hinden L, Naim MBD, Baraghithy S, Permyakova A, Azar S, Nasser T, Portnoy E, Agbaria M, Nemirovski A, Golomb G, Tam J. Hepatic targeting of the centrally active cannabinoid 1 receptor (CB 1R) blocker rimonabant via PLGA nanoparticles for treating fatty liver disease and diabetes. J Control Release 2023; 353:254-269. [PMID: 36442615 PMCID: PMC9900386 DOI: 10.1016/j.jconrel.2022.11.040] [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: 07/12/2022] [Revised: 11/10/2022] [Accepted: 11/22/2022] [Indexed: 12/05/2022]
Abstract
Over-activation of the endocannabinoid/CB1R system is a hallmark feature of obesity and its related comorbidities, most notably type 2 diabetes (T2D), and non-alcoholic fatty liver disease (NAFLD). Although the use of drugs that widely block the CB1R was found to be highly effective in treating all metabolic abnormalities associated with obesity, they are no longer considered a valid therapeutic option due to their adverse neuropsychiatric side effects. Here, we describe a novel nanotechnology-based drug delivery system for repurposing the abandoned first-in-class global CB1R antagonist, rimonabant, by encapsulating it in polymeric nanoparticles (NPs) for effective hepatic targeting of CB1Rs, enabling effective treatment of NAFLD and T2D. Rimonabant-encapsulated NPs (Rimo-NPs) were mainly distributed in the liver, spleen, and kidney, and only negligible marginal levels of rimonabant were found in the brain of mice treated by iv/ip administration. In contrast to freely administered rimonabant treatment, no CNS-mediated behavioral activities were detected in animals treated with Rimo-NPs. Chronic treatment of diet-induced obese mice with Rimo-NPs resulted in reduced hepatic steatosis and liver injury as well as enhanced insulin sensitivity, which were associated with enhanced cellular uptake of the formulation into hepatocytes. Collectively, we successfully developed a method of encapsulating the centrally acting CB1R blocker in NPs with desired physicochemical properties. This novel drug delivery system allows hepatic targeting of rimonabant to restore the metabolic advantages of blocking CB1R in peripheral tissues, especially in the liver, without the negative CB1R-mediated neuropsychiatric side effects.
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Affiliation(s)
- Shira Hirsch
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel
| | - Liad Hinden
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel
| | - Meital Ben-David Naim
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Saja Baraghithy
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel
| | - Anna Permyakova
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel
| | - Shahar Azar
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel
| | - Taher Nasser
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Emma Portnoy
- Department of Biochemistry, Institute for Medical Research Israel-Canada, Hebrew University-Hadassah Medical School, Israel
| | - Majd Agbaria
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Alina Nemirovski
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Gershon Golomb
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel
| | - Joseph Tam
- Obesity and Metabolism Laboratory, POB 12065, Jerusalem 9112001, Israel; The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Israel.
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Sousa-Lima I, Kim HJ, Jones J, Kim YB. Rho-Kinase as a Therapeutic Target for Nonalcoholic Fatty Liver Diseases. Diabetes Metab J 2021; 45:655-674. [PMID: 34610720 PMCID: PMC8497927 DOI: 10.4093/dmj.2021.0197] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a major public health problem and the most common form of chronic liver disease, affecting 25% of the global population. Although NAFLD is closely linked with obesity, insulin resistance, and type 2 diabetes mellitus, knowledge on its pathogenesis remains incomplete. Emerging data have underscored the importance of Rho-kinase (Rho-associated coiled-coil-containing kinase [ROCK]) action in the maintenance of normal hepatic lipid homeostasis. In particular, pharmacological blockade of ROCK in hepatocytes or hepatic stellate cells prevents the progression of liver diseases such as NAFLD and fibrosis. Moreover, mice lacking hepatic ROCK1 are protected against obesity-induced fatty liver diseases by suppressing hepatic de novo lipogenesis. Here we review the roles of ROCK as an indispensable regulator of obesity-induced fatty liver disease and highlight the key cellular pathway governing hepatic lipid accumulation, with focus on de novo lipogenesis and its impact on therapeutic potential. Consequently, a comprehensive understanding of the metabolic milieu linking to liver dysfunction triggered by ROCK activation may help identify new targets for treating fatty liver diseases such as NAFLD.
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Affiliation(s)
- Inês Sousa-Lima
- CEDOC-Chronic Disease Research Center, NOVA Medical School/ Faculty of Medical Sciences, New University of Lisbon, Lisbon, Portugal
| | - Hyun Jeong Kim
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - John Jones
- Center for Neuroscience and Cell Biology, University of Coimbra, Marquis of Pombal Square, Coimbra, Portugal
| | - Young-Bum Kim
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
- Corresponding author: Young-Bum Kim https://orcid.org/0000-0001-9471-6330 Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA E-mail:
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Jorgačević B, Vučević D, Samardžić J, Mladenović D, Vesković M, Vukićević D, Ješić R, Radosavljević T. The Effect of CB1 Antagonism on Hepatic Oxidative/Nitrosative Stress and Inflammation in Nonalcoholic Fatty Liver Disease. Curr Med Chem 2021; 28:169-180. [PMID: 32124686 DOI: 10.2174/0929867327666200303122734] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/17/2019] [Accepted: 01/25/2020] [Indexed: 02/08/2023]
Abstract
Dysfunction of the endocannabinoid system (ES) has been identified in nonalcoholic fatty liver disease (NAFLD) and associated metabolic disorders. Cannabinoid receptor type 1 (CB1) expression is largely dependent on nutritional status. Thus, individuals suffering from NAFLD and metabolic syndrome (MS) have a significant increase in ES activity. Furthermore, oxidative/ nitrosative stress and inflammatory process modulation in the liver are highly influenced by the ES. Numerous experimental studies indicate that oxidative and nitrosative stress in the liver is associated with steatosis and portal inflammation during NAFLD. On the other hand, inflammation itself may also contribute to reactive oxygen species (ROS) production due to Kupffer cell activation and increased nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity. The pathways by which endocannabinoids and their lipid-related mediators modulate oxidative stress and lipid peroxidation represent a significant area of research that could yield novel pharmaceutical strategies for the treatment of NAFLD. Cumulative evidence suggested that the ES, particularly CB1 receptors, may also play a role in inflammation and disease progression toward steatohepatitis. Pharmacological inactivation of CB1 receptors in NAFLD exerts multiple beneficial effects, particularly due to the attenuation of hepatic oxidative/nitrosative stress parameters and significant reduction of proinflammatory cytokine production. However, further investigations regarding precise mechanisms by which CB1 blockade influences the reduction of hepatic oxidative/nitrosative stress and inflammation are required before moving toward the clinical phase of the investigation.
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Affiliation(s)
- Bojan Jorgačević
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Danijela Vučević
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Janko Samardžić
- Institute of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Dušan Mladenović
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Milena Vesković
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Dušan Vukićević
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Rada Ješić
- Institute of Digestive Diseases, Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Tatjana Radosavljević
- Institute of Pathophysiology ''Ljubodrag Buba Mihailović'', Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Ghazali R, Mehta KJ, Bligh SWA, Tewfik I, Clemens D, Patel VB. High omega arachidonic acid/docosahexaenoic acid ratio induces mitochondrial dysfunction and altered lipid metabolism in human hepatoma cells. World J Hepatol 2020; 12:84-98. [PMID: 32231762 PMCID: PMC7097500 DOI: 10.4254/wjh.v12.i3.84] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 12/24/2019] [Accepted: 01/15/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a common cause of liver disease worldwide and is a growing epidemic. A high ratio of omega-6 fatty acids to omega-3 fatty acids in the diet has been implicated in the development of NAFLD. However, the inflicted cellular pathology remains unknown. A high ratio may promote lipogenic pathways and contribute to reactive oxygen species (ROS)-mediated damage, perhaps leading to mitochondrial dysfunction. Therefore, these parameters were investigated to understand their contribution to NAFLD development.
AIM To examine the effect of increasing ratios of omega-6:3 fatty acids on mitochondrial function and lipid metabolism mediators.
METHODS HepG2-derived VL-17A cells were treated with normal (1:1, 4:1) and high (15:1, 25:1) ratios of omega-6: omega-3 fatty acids [arachidonic acid (AA): docosahexaenoic acid (DHA)] at various time points. Mitochondrial activity and function were examined via MTT assay and Seahorse XF24 analyzer, respectively. Triglyceride accumulation was determined by using EnzyChrom™ and levels of ROS were measured by fluorescence intensity. Protein expression of the mediators of lipogenic, lipolytic and endocannabinoid pathways was assessed by Western blotting.
RESULTS High AA:DHA ratio decreased mitochondrial activity (P < 0.01; up to 80%) and promoted intracellular triglyceride accumulation (P < 0.05; 40%-70%). Mechanistically, it altered the mediators of lipid metabolism; increased the expression of stearoyl-CoA desaturase (P < 0.05; 22%-35%), decreased the expression of peroxisome proliferator-activated receptor-alpha (P < 0.05; 30%-40%) and increased the expression of cannabinoid receptor 1 (P < 0.05; 31%). Furthermore, the high ratio increased ROS production (P < 0.01; 74%-115%) and reduced mitochondrial respiratory functions such as basal and maximal respiration, ATP production, spare respiratory capacity and proton leak (P < 0.01; 35%-68%).
CONCLUSION High AA:DHA ratio induced triglyceride accumulation, increased oxidative stress and disrupted mitochondrial functions. Stimulation of lipogenic and steroidal transcription factors may partly mediate these effects and contribute to NAFLD development.
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Affiliation(s)
- Reem Ghazali
- School of Life Sciences, University of Westminster, London W1W 6UW, United Kingdom
- Clinical Biochemistry Department, Faculty of medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Kosha J Mehta
- Centre for Education, Faculty of Life Sciences and Medicine, King's College London SE1 1UL, United Kingdom
| | - SW Annie Bligh
- School of Life Sciences, University of Westminster, London W1W 6UW, United Kingdom
- Caritas Institute of Higher Education, Hong Kong 999077, China
| | - Ihab Tewfik
- School of Life Sciences, University of Westminster, London W1W 6UW, United Kingdom
| | - Dahn Clemens
- Nebraska and Western Iowa Veterans Administration Medical Center and Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Vinood B Patel
- School of Life Sciences, University of Westminster, London W1W 6UW, United Kingdom
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Jorgačević B, Vučević D, Vesković M, Mladenović D, Vukićević D, Vukićević RJ, Todorović V, Radosavljević T. The effect of cannabinoid receptor 1 blockade on adipokine and proinflammatory cytokine concentration in adipose and hepatic tissue in mice with nonalcoholic fatty liver disease. Can J Physiol Pharmacol 2019; 97:120-129. [PMID: 30673308 DOI: 10.1139/cjpp-2018-0607] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In high-fat diet (HFD) induced nonalcoholic fatty liver disease (NAFLD), there is an increase in the endocannabinoid system activity, which significantly contributes to steatosis development. The aim of our study was to investigate the effects of cannabinoid receptor type 1 blockade on adipokine and proinflammatory cytokine content in adipose and hepatic tissue in mice with NAFLD. Male mice C57BL/6 were divided into a control group fed with a control diet for 20 weeks (C, n = 6) a group fed with a HFD for 20 weeks (HF, n = 6), a group fed with a control diet and treated with rimonabant after 18 weeks (R, n = 9), and a group fed with HFD and treated with rimonabant after 18 weeks (HFR, n = 10). Rimonabant significantly decreased leptin, resistin, apelin, visfatin, interleukin 6 (IL-6), and interferon-γ (IFN-γ) concentration in subcutaneous and visceral adipose tissue in the HFR group compared to the HF group (p < 0.01). Rimonabant reduced hepatic IL-6 and IFN-γ concentration as well as plasma glucose and insulin concentration and the homeostatic model assessment index in the HFR group compared to the HF group (p < 0.01). It can be concluded that the potential usefulness of CB1 blockade in the treatment of HFD-induced NAFLD is due to modulation of the adipokine profile and proinflammatory cytokines in both adipose tissues and liver as well as glucose metabolism.
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Affiliation(s)
- Bojan Jorgačević
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Danijela Vučević
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Milena Vesković
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Dušan Mladenović
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Dušan Vukićević
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Rada Ješić Vukićević
- b Institute of Digestive Diseases, Clinical Centre of Serbia, 11000 Belgrade, Serbia
| | - Vera Todorović
- c Faculty of Dentistry, Pančevo, University Business Academy, Novi Sad, 13000 Pančevo, Serbia
| | - Tatjana Radosavljević
- a Institute of Pathophysiology "Ljubodrag Buba Mihailović", Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Brkić D, Jorgačević B. The role of cannabinoid receptor 1 in the development of oxidative/nitrosative stress in mice with non-alcoholic fatty liver disease. MEDICINSKI PODMLADAK 2019. [DOI: 10.5937/mp70-17890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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