1
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Tamaki T, Fukushima N. Oleic acid stimulates proliferation of RMG-1 ovarian cancer cells by activating the pentose phosphate pathway and glutamine metabolism. Biochem Biophys Res Commun 2024; 722:150162. [PMID: 38801802 DOI: 10.1016/j.bbrc.2024.150162] [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: 05/16/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024]
Abstract
Extracellular fatty acids (FAs) play an important role in regulating cellular functions such as cell proliferation, survival, and migration. The effects of oleic acid (OA) on cancer cells vary depending on the cell type. Our prior study showed that two distinct ovarian cancer cell lines, RMG-1 and HNOA, proliferate in response to OA, but they differ with respect to glucose utilization. Here, we aimed to elucidate the mechanism(s) by which OA stimulates proliferation of RMG-1 cells. We found that OA stimulates RMG-1 proliferation by activating the FA transporter CD36. OA also increases uptake of glucose and glutamine, which subsequently activate the pentose phosphate pathway (PPP) and glutamine metabolism, respectively. Given that ribose 5-phosphate derived from the PPP is utilized for glutamine metabolism and the subsequent de novo nucleotide synthesis, our findings suggest that OA affects the PPP associated with Gln metabolism, rather than glycolysis associated with glutaminolysis; this leads ultimately to activation of DNA synthesis, which is required for cell proliferation. This selective activation by OA contrasts with the mechanisms observed in HNOA cells, in which OA-induced cell proliferation is driven by transcriptional regulation of the GLUT gene. The diverse responses of cancer cells to OA may be attributed to distinct mechanisms of OA reception and/or different metabolic pathways activated by OA.
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Affiliation(s)
- Takeru Tamaki
- Department of Life Science, Kindai University, Higashiosaka, 577-8502, Japan
| | - Nobuyuki Fukushima
- Department of Life Science, Kindai University, Higashiosaka, 577-8502, Japan.
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2
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Wu Z, Wang L, Yin Z, Gao Y, Song Y, Ma J, Zhao M, Wang J, Xue W, Pang X, Zhao Y, Li J, Tu P, Zheng J. Baoyuan decoction inhibits atherosclerosis progression through suppression peroxidized fatty acid and Src/MKK4/JNK pathway-mediated CD 36 expression. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155668. [PMID: 38776739 DOI: 10.1016/j.phymed.2024.155668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/08/2024] [Accepted: 04/21/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Baoyuan decoction (BYD) has been widely utilized as a traditional prescription for the treatment of various conditions such as coronary heart disease, aplastic anemia, and chronic renal failure. However, its potential efficacy in improving atherosclerosis has not yet been investigated. PURPOSE Our research aimed to assess the potential of BYD as an inhibitor of atherosclerosis and uncover the underlying mechanism by which it acts on foam cell formation. STUDY DESIGN AND METHODS High-fat diet-induced ApoE-/- mice were employed to explore the effect of BYD on atherosclerosis. The differential metabolites in feces were identified and analyzed by LC-Qtrap-MS. In addition, we utilized pharmacological inhibition of BYD on foam cell formation induced by oxLDL in THP-1 cells to elucidate the underlying mechanisms specifically in macrophages. RESULTS The atherosclerotic plaque burden in the aortic sinus of ApoE-/- mice was notably reduced with BYD treatment, despite no significant alterations in plasma lipids. Metabolomic analysis revealed that BYD suppressed the increased levels of peroxidized fatty acids, specifically 9/13-hydroxyoctadecadienoic acid (9/13-HODE), in the feces of mice. As a prominent peroxidized fatty acid found in oxLDL, we confirmed that 9/13-HODE induced the overexpression of CD36 in THP-1 macrophages by upregulating PPARγ. In subsequent experiments, the decreased levels of CD36 triggered by oxLDL were observed after BYD treatment. This decrease occurred through the regulation of the Src/MMK4/JNK pathway, resulting in the suppression of lipid deposition in THP-1 macrophages. CONCLUSIONS These results illustrate that BYD exhibits potential anti-atherosclerotic effects by inhibiting CD36 expression to prevent foam cell formation.
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Affiliation(s)
- Zhen Wu
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Lingxiao Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Ziyu Yin
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yun Gao
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yuelin Song
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jiale Ma
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Maoyuan Zhao
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Junjiao Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Weigang Xue
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xueping Pang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Yunfang Zhao
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jun Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Pengfei Tu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Jiao Zheng
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
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3
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Zheng Y, Feng J, Ling M, Yu Y, Tao Y, Wang X. A comprehensive review on targeting cluster of differentiation: An attractive strategy for inhibiting viruses through host proteins. Int J Biol Macromol 2024; 269:132200. [PMID: 38723834 DOI: 10.1016/j.ijbiomac.2024.132200] [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: 03/04/2024] [Revised: 04/20/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
Viral infections continue to pose a significant global public health threat. Targeting host proteins, such as cluster of differentiation (CD) macromolecules, may offer a promising alternative approach to developing antiviral treatments. CDs are cell-surface biological macromolecules mainly expressed on leukocytes that viruses can use to enter cells, thereby evading immune detection and promoting their replication. The manipulation of CDs by viruses may represent an effective and clever means of survival through the prolonged co-evolution of hosts and viruses. Targeting of CDs is anticipated to hinder the invasion of related viruses, modulate the body's immune system, and diminish the incidence of subsequent inflammation. They have become crucial for biomedical diagnosis, and some have been used as valuable tools for resisting viral infections. However, a summary of the structures and functions of CDs involved in viral infection is currently lacking. The development of drugs targeting these biological macromolecules is restricted both in terms of their availability and the number of compounds currently identified. This review provides a comprehensive analysis of the critical role of CD proteins in virus invasion and a list of relevant targeted antiviral agents, which will serve as a valuable reference for future research in this field.
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Affiliation(s)
- Youle Zheng
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Jin Feng
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Min Ling
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yixin Yu
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yanfei Tao
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU), MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China; MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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4
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Yang Y, Liu X, Yang D, Li L, Li S, Lu S, Li N. Interplay of CD36, autophagy, and lipid metabolism: insights into cancer progression. Metabolism 2024; 155:155905. [PMID: 38548128 DOI: 10.1016/j.metabol.2024.155905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/17/2024] [Accepted: 03/23/2024] [Indexed: 04/05/2024]
Abstract
CD36, a scavenger receptor B2 that is dynamically distributed between cell membranes and organelle membranes, plays a crucial role in regulating lipid metabolism. Abnormal CD36 activity has been linked to a range of metabolic disorders, such as obesity, nonalcoholic fatty liver disease, insulin resistance and cardiovascular disease. CD36 undergoes various modifications, including palmitoylation, glycosylation, and ubiquitination, which greatly affect its binding affinity to various ligands, thereby triggering and influencing various biological effects. In the context of tumors, CD36 interacts with autophagy to jointly regulate tumorigenesis, mainly by influencing the tumor microenvironment. The central role of CD36 in cellular lipid homeostasis and recent molecular insights into CD36 in tumor development indicate the applicability of CD36 as a therapeutic target for cancer treatment. Here, we discuss the diverse posttranslational modifications of CD36 and their respective roles in lipid metabolism. Additionally, we delve into recent research findings on CD36 in tumors, outlining ongoing drug development efforts targeting CD36 and potential strategies for future development and highlighting the interplay between CD36 and autophagy in the context of cancer. Our aim is to provide a comprehensive understanding of the function of CD36 in both physiological and pathological processes, facilitating a more in-depth analysis of cancer progression and a better development and application of CD36-targeting drugs for tumor therapy in the near future.
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Affiliation(s)
- Yuxuan Yang
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xiaokun Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Di Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Lianhui Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Sheng Li
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Sen Lu
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Ning Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
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5
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Rybinska I, Mangano N, Romero-Cordoba SL, Regondi V, Ciravolo V, De Cecco L, Maffioli E, Paolini B, Bianchi F, Sfondrini L, Tedeschi G, Agresti R, Tagliabue E, Triulzi T. SAA1-dependent reprogramming of adipocytes by tumor cells is associated with triple negative breast cancer aggressiveness. Int J Cancer 2024; 154:1842-1856. [PMID: 38289016 DOI: 10.1002/ijc.34859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 12/22/2023] [Accepted: 12/29/2023] [Indexed: 03/14/2024]
Abstract
Triple negative breast cancers (TNBC) are characterized by a poor prognosis and a lack of targeted treatments. Their progression depends on tumor cell intrinsic factors, the tumor microenvironment and host characteristics. Although adipocytes, the primary stromal cells of the breast, have been determined to be plastic in physiology and cancer, the tumor-derived molecular mediators of tumor-adipocyte crosstalk have not been identified yet. In this study, we report that the crosstalk between TNBC cells and adipocytes in vitro beyond adipocyte dedifferentiation, induces a unique transcriptional profile that is characterized by inflammation and pathways that are related to interaction with the tumor microenvironment. Accordingly, increased cancer stem-like features and recruitment of pro-tumorigenic immune cells are induced by this crosstalk through CXCL5 and IL-8 production. We identified serum amyloid A1 (SAA1) as a regulator of the adipocyte reprogramming through CD36 and P2XR7 signaling. In human TNBC, SAA1 expression was associated with cancer-associated adipocyte infiltration, inflammation, stimulated lipolysis, stem-like properties, and a distinct tumor immune microenvironment. Our findings constitute evidence that the interaction between tumor cells and adipocytes through the release of SAA1 is relevant to the aggressiveness of TNBC.
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Affiliation(s)
- Ilona Rybinska
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Nunzia Mangano
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Sandra L Romero-Cordoba
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Departamento de Bioquímica, Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán", Mexico City, Mexico
| | - Viola Regondi
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Valentina Ciravolo
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Loris De Cecco
- Molecular Mechanisms Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Elisa Maffioli
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milano, Italy
- CIMAINA, Università degli Studi di Milano, Milano, Italy
| | - Biagio Paolini
- Anatomic Pathology A Unit, Department of Pathology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Francesca Bianchi
- Department of Biomedical Science for Health, Università degli Studi di Milano, Milan, Italy
| | - Lucia Sfondrini
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
- Department of Biomedical Science for Health, Università degli Studi di Milano, Milan, Italy
| | - Gabriella Tedeschi
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milano, Italy
- CIMAINA, Università degli Studi di Milano, Milano, Italy
| | - Roberto Agresti
- Division of Surgical Oncology, Breast Unit, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Elda Tagliabue
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Tiziana Triulzi
- Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
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6
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Carrera P, Odenthal J, Risse KS, Jung Y, Kuerschner L, Bülow MH. The CD36 scavenger receptor Bez regulates lipid redistribution from fat body to ovaries in Drosophila. Development 2024; 151:dev202551. [PMID: 38713014 DOI: 10.1242/dev.202551] [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: 11/21/2023] [Accepted: 04/12/2024] [Indexed: 05/08/2024]
Abstract
Lipid distribution in an organism is mediated by the interplay between lipoprotein particles, lipoprotein receptors and class B scavenger receptors of the CD36 family. CD36 is a multifunctional protein mediating lipid uptake, mobilization and signaling at the plasma membrane and inside of the cell. The CD36 protein family has 14 members in Drosophila melanogaster, which allows for the differentiated analysis of their functions. Here, we unravel a role for the so far uncharacterized scavenger receptor Bez in lipid export from Drosophila adipocytes. Bez shares the lipid binding residue with CD36 and is expressed at the plasma membrane of the embryonic, larval and adult fat body. Bez loss of function lowers the organismal availability of storage lipids and blocks the maturation of egg chambers in ovaries. We demonstrate that Bez interacts with the APOB homolog Lipophorin at the plasma membrane of adipocytes and trace the Bez-dependent transfer of an alkyne-labeled fatty acid from adipocytes to Lipophorin. Our study demonstrates how lipids are distributed by scavenger receptor-lipoprotein interplay and contribute to the metabolic control of development.
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Affiliation(s)
- Pilar Carrera
- Life and Medical Sciences (LIMES), University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Johanna Odenthal
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine, University of Cologne, University Hospital Cologne, 50931 Cologne, Germany
| | - Katharina S Risse
- Life and Medical Sciences (LIMES), University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Yerin Jung
- Life and Medical Sciences (LIMES), University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Lars Kuerschner
- Life and Medical Sciences (LIMES), University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Margret H Bülow
- Life and Medical Sciences (LIMES), University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
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7
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Åbacka H, Masoni S, Poli G, Huang P, Gusso F, Granchi C, Minutolo F, Tuccinardi T, Hagström-Andersson AK, Lindkvist-Petersson K. SMS121, a new inhibitor of CD36, impairs fatty acid uptake and viability of acute myeloid leukemia. Sci Rep 2024; 14:9104. [PMID: 38643249 PMCID: PMC11032350 DOI: 10.1038/s41598-024-58689-1] [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: 12/28/2023] [Accepted: 04/02/2024] [Indexed: 04/22/2024] Open
Abstract
Acute myeloid leukemia (AML) is the most common form of acute leukemia in adults and the second most common among children. AML is characterized by aberrant proliferation of myeloid blasts in the bone marrow and impaired normal hematopoiesis. Despite the introduction of new drugs and allogeneic bone marrow transplantation, patients have poor overall survival rate with relapse as the major challenge, driving the demand for new therapeutic strategies. AML patients with high expression of the very long/long chain fatty acid transporter CD36 have poorer survival and very long chain fatty acid metabolism is critical for AML cell survival. Here we show that fatty acids are transferred from human primary adipocytes to AML cells upon co-culturing. A drug-like small molecule (SMS121) was identified by receptor-based virtual screening and experimentally demonstrated to target the lipid uptake protein CD36. SMS121 reduced the uptake of fatty acid into AML cells that could be reversed by addition of free fatty acids and caused decreased cell viability. The data presented here serves as a framework for the development of CD36 inhibitors to be used as future therapeutics against AML.
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Affiliation(s)
- Hannah Åbacka
- Department of Experimental Medical Science, Lund University, BMC C13, 221 84, Lund, Sweden
| | - Samuele Masoni
- Department of Pharmacy, University of Pisa, Pisa, Italy
- LINXS-Institute of Advanced Neutron and X-ray Science, Lund, Sweden
| | - Giulio Poli
- Department of Pharmacy, University of Pisa, Pisa, Italy.
| | - Peng Huang
- Department of Experimental Medical Science, Lund University, BMC C13, 221 84, Lund, Sweden
| | | | | | - Filippo Minutolo
- Department of Pharmacy, University of Pisa, Pisa, Italy
- LINXS-Institute of Advanced Neutron and X-ray Science, Lund, Sweden
| | | | | | - Karin Lindkvist-Petersson
- Department of Experimental Medical Science, Lund University, BMC C13, 221 84, Lund, Sweden.
- LINXS-Institute of Advanced Neutron and X-ray Science, Lund, Sweden.
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8
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Boutanquoi PM, Khan AS, Cabeza L, Jantzen L, Gautier T, Yesylevskyy S, Ramseyer C, Masson D, Van Waes V, Hichami A, Khan NA. A novel fatty acid analogue triggers CD36-GPR120 interaction and exerts anti-inflammatory action in endotoxemia. Cell Mol Life Sci 2024; 81:176. [PMID: 38598021 PMCID: PMC11006773 DOI: 10.1007/s00018-024-05207-1] [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: 01/30/2024] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 04/11/2024]
Abstract
Inflammation is a mediator of a number of chronic pathologies. We synthesized the diethyl (9Z,12Z)-octadeca-9,12-dien-1-ylphosphonate, called NKS3, which decreased lipopolysaccharide (LPS)-induced mRNA upregulation of proinflammatory cytokines (IL-1β, IL-6 and TNF-α) not only in primary intraperitoneal and lung alveolar macrophages, but also in freshly isolated mice lung slices. The in-silico studies suggested that NKS3, being CD36 agonist, will bind to GPR120. Co-immunoprecipitation and proximity ligation assays demonstrated that NKS3 induced protein-protein interaction of CD36 with GPR120in RAW 264.7 macrophage cell line. Furthermore, NKS3, via GPR120, decreased LPS-induced activation of TAB1/TAK1/JNK pathway and the LPS-induced mRNA expression of inflammatory markers in RAW 264.7 cells. In the acute lung injury model, NKS3 decreased lung fibrosis and inflammatory cytokines (IL-1β, IL-6 and TNF-α) and nitric oxide (NO) production in broncho-alveolar lavage fluid. NKS3 exerted a protective effect on LPS-induced remodeling of kidney and liver, and reduced circulating IL-1β, IL-6 and TNF-α concentrations. In a septic shock model, NKS3 gavage decreased significantly the LPS-induced mortality in mice. In the last, NKS3 decreased neuroinflammation in diet-induced obese mice. Altogether, these results suggest that NKS3 is a novel anti-inflammatory agent that could be used, in the future, for the treatment of inflammation-associated pathologies.
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Affiliation(s)
- Pierre-Marie Boutanquoi
- Physiologie de la Nutrition & Toxicologie, UMR U1231 INSERM/Université de Bourgogne/Agro-Sup, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France
| | - Amira Sayed Khan
- Physiologie de la Nutrition & Toxicologie, UMR U1231 INSERM/Université de Bourgogne/Agro-Sup, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France
| | - Lidia Cabeza
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive-UR LINC, UFC, Besançon, France
| | - Lucas Jantzen
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive-UR LINC, UFC, Besançon, France
| | - Thomas Gautier
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France
- LIPNESS, UMR U1231 INSERM/UB/Agro-Sup, Université Bourgogne Franche-Comté, 21000, Dijon, France
| | - Semen Yesylevskyy
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, 166 10, Prague 6, Czech Republic
- Laboratoire Chrono Environnement UMR CNRS6249, Université de Bourgogne Franche-Comté (UBFC), 16 route de Gray, 25030, Besançon, Cedex, France
- Receptor.AI Inc., 20-22 Wenlock Road, London, N1 7GU, UK
- Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, 17. listopadu 12, 771 46, Olomouc, Czech Republic
- Department of Physics of Biological Systems, Institute of Physics of the National Academy of Sciences of Ukraine, Prospect Nauky 46, Kiev, 03028, Ukraine
| | - Christophe Ramseyer
- Laboratoire Chrono Environnement UMR CNRS6249, Université de Bourgogne Franche-Comté (UBFC), 16 route de Gray, 25030, Besançon, Cedex, France
| | - David Masson
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France
- LIPNESS, UMR U1231 INSERM/UB/Agro-Sup, Université Bourgogne Franche-Comté, 21000, Dijon, France
| | - Vincent Van Waes
- Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive-UR LINC, UFC, Besançon, France
| | - Aziz Hichami
- Physiologie de la Nutrition & Toxicologie, UMR U1231 INSERM/Université de Bourgogne/Agro-Sup, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France
| | - Naim Akhtar Khan
- Physiologie de la Nutrition & Toxicologie, UMR U1231 INSERM/Université de Bourgogne/Agro-Sup, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France.
- FCS Bourgogne-Franche Comté, LipSTIC LabEx, Dijon, France.
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9
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Glatz JFC, Heather LC, Luiken JJFP. CD36 as a gatekeeper of myocardial lipid metabolism and therapeutic target for metabolic disease. Physiol Rev 2024; 104:727-764. [PMID: 37882731 DOI: 10.1152/physrev.00011.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 10/02/2023] [Accepted: 10/22/2023] [Indexed: 10/27/2023] Open
Abstract
The multifunctional membrane glycoprotein CD36 is expressed in different types of cells and plays a key regulatory role in cellular lipid metabolism, especially in cardiac muscle. CD36 facilitates the cellular uptake of long-chain fatty acids, mediates lipid signaling, and regulates storage and oxidation of lipids in various tissues with active lipid metabolism. CD36 deficiency leads to marked impairments in peripheral lipid metabolism, which consequently impact on the cellular utilization of multiple different fuels because of the integrated nature of metabolism. The functional presence of CD36 at the plasma membrane is regulated by its reversible subcellular recycling from and to endosomes and is under the control of mechanical, hormonal, and nutritional factors. Aberrations in this dynamic role of CD36 are causally associated with various metabolic diseases, in particular insulin resistance, diabetic cardiomyopathy, and cardiac hypertrophy. Recent research in cardiac muscle has disclosed the endosomal proton pump vacuolar-type H+-ATPase (v-ATPase) as a key enzyme regulating subcellular CD36 recycling and being the site of interaction between various substrates to determine cellular substrate preference. In addition, evidence is accumulating that interventions targeting CD36 directly or modulating its subcellular recycling are effective for the treatment of metabolic diseases. In conclusion, subcellular CD36 localization is the major adaptive regulator of cellular uptake and metabolism of long-chain fatty acids and appears a suitable target for metabolic modulation therapy to mend failing hearts.
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Affiliation(s)
- Jan F C Glatz
- Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Lisa C Heather
- Department of Physiology, Anatomy & Genetics, University of Oxford, Oxford, United Kingdom
| | - Joost J F P Luiken
- Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands
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10
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Feng M, Zhou Q, Xie H, Liu C, Zheng M, Zhang S, Zhou S, Zhao J. Role of CD36 in central nervous system diseases. Neural Regen Res 2024; 19:512-518. [PMID: 37721278 PMCID: PMC10581564 DOI: 10.4103/1673-5374.380821] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/12/2023] [Accepted: 05/04/2023] [Indexed: 09/19/2023] Open
Abstract
CD36 is a highly glycosylated integral membrane protein that belongs to the scavenger receptor class B family and regulates the pathological progress of metabolic diseases. CD36 was recently found to be widely expressed in various cell types in the nervous system, including endothelial cells, pericytes, astrocytes, and microglia. CD36 mediates a number of regulatory processes, such as endothelial dysfunction, oxidative stress, mitochondrial dysfunction, and inflammatory responses, which are involved in many central nervous system diseases, such as stroke, Alzheimer's disease, Parkinson's disease, and spinal cord injury. CD36 antagonists can suppress CD36 expression or prevent CD36 binding to its ligand, thereby achieving inhibition of CD36-mediated pathways or functions. Here, we reviewed the mechanisms of action of CD36 antagonists, such as Salvianolic acid B, tanshinone IIA, curcumin, sulfosuccinimidyl oleate, antioxidants, and small-molecule compounds. Moreover, we predicted the structures of binding sites between CD36 and antagonists. These sites can provide targets for more efficient and safer CD36 antagonists for the treatment of central nervous system diseases.
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Affiliation(s)
- Min Feng
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Qiang Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Huimin Xie
- Department of Stomatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China
| | - Chang Liu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Mengru Zheng
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Shuyu Zhang
- Medical College of Nantong University, Nantong, Jiangsu Province, China
| | - Songlin Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Jian Zhao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
- Department of Orthopedic Oncology, Second Affiliated Hospital of Naval Medical University, Shanghai, China
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11
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Bendas G, Schlesinger M. The Role of CD36/GPIV in Platelet Biology. Semin Thromb Hemost 2024; 50:224-235. [PMID: 37192651 DOI: 10.1055/s-0043-1768935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
CD36 (also known as platelet glycoprotein IV) is expressed by a variety of different cell entities, where it possesses functions as a signaling receptor, but additionally acts as a transporter for long-chain fatty acids. This dual function of CD36 has been investigated for its relevance in immune and nonimmune cells. Although CD36 was first identified on platelets, the understanding of the role of CD36 in platelet biology remained scarce for decades. In the past few years, several discoveries have shed a new light on the CD36 signaling activity in platelets. Notably, CD36 has been recognized as a sensor for oxidized low-density lipoproteins in the circulation that mitigates the threshold for platelet activation under conditions of dyslipidemia. Thus, platelet CD36 transduces atherogenic lipid stress into an increased risk for thrombosis, myocardial infarction, and stroke. The underlying pathways that are affected by CD36 are the inhibition of cyclic nucleotide signaling pathways and simultaneously the induction of activatory signaling events. Furthermore, thrombospondin-1 secreted by activated platelets binds to CD36 and furthers paracrine platelet activation. CD36 also serves as a binding hub for different coagulation factors and, thus, contributes to the plasmatic coagulation cascade. This review provides a comprehensive overview of the recent findings on platelet CD36 and presents CD36 as a relevant target for the prevention of thrombotic events for dyslipidemic individuals with an elevated risk for thrombosis.
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Affiliation(s)
- Gerd Bendas
- Department of Pharmacy, University of Bonn, Bonn, Germany
| | - Martin Schlesinger
- Department of Pharmacy, University of Bonn, Bonn, Germany
- Federal Institute for Drugs and Medical Devices (BfArM), Bonn, Germany
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12
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Ashaq MS, Zhang S, Xu M, Li Y, Zhao B. The regulatory role of CD36 in hematopoiesis beyond fatty acid uptake. Life Sci 2024; 339:122442. [PMID: 38244916 DOI: 10.1016/j.lfs.2024.122442] [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: 11/20/2023] [Revised: 01/07/2024] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
CD36 is a transmembrane glycoprotein, located on surface of numerous cell types. This review is aimed to explore regulatory role of CD36 in hematopoiesis beyond fatty acid uptake. CD36 acts as a pattern recognition receptor, regulates cellular fatty acid homeostasis, and negatively monitors angiogenesis. CD36 also mediates free fatty acid transportation to hematopoietic stem cells in response to infections. During normal physiology and pathophysiology, CD36 significantly participates in the activation and metabolic needs of platelets, macrophages, monocytes, T cells, B cells, and dendritic cells. CD36 has shown a unique relationship with Plasmodium falciparum-infected erythrocytes (PfIEs) as a beneficiary for both parasite and host. CD36 actively participates in pathogenesis of various hematological cancers as a significant prognostic biomarker including AML, HL, and NHL. CD36-targeting antibodies, CD36 antagonists (small molecules), and CD36 expression inhibitors/modulators are used to target CD36, depicting its therapeutic potential. Many preclinical studies or clinical trials were performed to assess CD36 as a therapeutic target; some are still under investigation. This review reflects the role of CD36 in hematopoiesis which requires more consideration in future research.
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Affiliation(s)
- Muhammad Sameer Ashaq
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Shujing Zhang
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Miaomiao Xu
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Yuan Li
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Baobing Zhao
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
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13
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Jiang M, Karsenberg R, Bianchi F, van den Bogaart G. CD36 as a double-edged sword in cancer. Immunol Lett 2024; 265:7-15. [PMID: 38122906 DOI: 10.1016/j.imlet.2023.12.002] [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: 10/31/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
The membrane protein CD36 is a lipid transporter, scavenger receptor, and receptor for the antiangiogenic protein thrombospondin 1 (TSP1). CD36 is expressed by cancer cells and by many associated cells including various cancer-infiltrating immune cell types. Thereby, CD36 plays critical roles in cancer, and it has been reported to affect cancer growth, metastasis, angiogenesis, and drug resistance. However, these roles are partly contradictory, as CD36 has been both reported to promote and inhibit cancer progression. Moreover, the mechanisms are also partly contradictory, because CD36 has been shown to exert opposite cellular effects such as cell division, senescence and cell death. This review provides an overview of the diverse effects of CD36 on tumor progression, aiming to shed light on its diverse pro- and anti-cancer roles, and the implications for therapeutic targeting.
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Affiliation(s)
- Muwei Jiang
- Department of Molecular Immunology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747AG, Nijenborgh 7, Groningen, the Netherlands
| | - Renske Karsenberg
- Department of Molecular Immunology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747AG, Nijenborgh 7, Groningen, the Netherlands
| | - Frans Bianchi
- Department of Molecular Immunology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747AG, Nijenborgh 7, Groningen, the Netherlands
| | - Geert van den Bogaart
- Department of Molecular Immunology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747AG, Nijenborgh 7, Groningen, the Netherlands.
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14
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Huang X, Wang M, Zhang D, Zhang C, Liu P. Advances in Targeted Drug Resistance Associated with Dysregulation of Lipid Metabolism in Hepatocellular Carcinoma. J Hepatocell Carcinoma 2024; 11:113-129. [PMID: 38250308 PMCID: PMC10799627 DOI: 10.2147/jhc.s447578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Hepatocellular carcinoma is the prevailing malignant neoplasm affecting the liver, often diagnosed at an advanced stage and associated with an unfavorable overall prognosis. Sorafenib and Lenvatinib have emerged as first-line therapeutic drugs for advanced hepatocellular carcinoma, improving the prognosis for these patients. Nevertheless, the issue of tyrosine kinase inhibitor (TKI) resistance poses a substantial obstacle in the management of advanced hepatocellular carcinoma. The pathogenesis and advancement of hepatocellular carcinoma exhibit a close association with metabolic reprogramming, yet the attention given to lipid metabolism dysregulation in hepatocellular carcinoma development remains relatively restricted. This review summarizes the potential significance and research progress of lipid metabolism dysfunction in Sorafenib and Lenvatinib resistance in hepatocellular carcinoma. Targeting hepatocellular carcinoma lipid metabolism holds promising potential as an effective strategy to overcome hepatocellular carcinoma drug resistance in the future.
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Affiliation(s)
- Xiaoju Huang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, 430022, People’s Republic of China
| | - Mengmeng Wang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, 430022, People’s Republic of China
| | - Dan Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, 430022, People’s Republic of China
| | - Chen Zhang
- Liver Transplant Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Pian Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
- Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, 430022, People’s Republic of China
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15
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Agarwal S, Saha S, Ghosh R, Sarmadhikari D, Asthana S, Maiti TK, Khadgawat R, Guchhait P. Elevated glycosylation of CD36 in platelets is a risk factor for oxLDL-mediated platelet activation in type 2 diabetes. FEBS J 2024; 291:376-391. [PMID: 37845743 DOI: 10.1111/febs.16976] [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: 06/27/2023] [Revised: 08/19/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023]
Abstract
Platelet activation and related cardiovascular complications are the hallmarks of type 2 diabetes (T2D). We investigated the mechanism of platelet activation in T2D using MS-based identification of differentially expressed platelet proteins with a focus on glycosylated forms. Glycosylation is considered one of the common post-translational modifications in T2D, and N/O-linked glycosylation of glycoproteins (GPs)/integrins is known to play crucial roles in platelet activation. Our platelet proteome data revealed elevated levels of GPs GPIbα, GPIIbIIIa, GPIV (CD36), GPV and integrins in T2D patients. T2D platelets had elevated N-linked glycosylation of CD36 at asparagine (Asn)408,417 . Enrichment analysis revealed a close association of glycosylated CD36 with thrombospondin-1, fibrinogen and SERPINA1 in T2D platelets. The glycosylation of CD36 has previously been reported to increase cellular uptake of long-chain fatty acids. Our in silico molecular docking data also showed a favorable binding of cholesterol with glycosylated Asn417 CD36 compared to the non-glycosylated form. We further investigated the CD36:LDL cholesterol axis in T2D. Elevated levels of oxidized-low density lipoprotein (oxLDL) were found to cause significant platelet activation via CD36-mediated stimulation of Lyn-JNK signaling. Sulfo-N-succinimidyl oleate, an inhibitor of CD36, effectively inhibited oxLDL-mediated platelet activation and adhesion in vitro. Our study suggests increased glycosylation of CD36 in T2D platelets as a potential route for oxLDL-mediated platelet activation. The oxLDL:CD36 axis may thus be exploited as a prospective target to develop therapeutics against thrombosis in T2D.
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Affiliation(s)
- Sakshi Agarwal
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Sandhini Saha
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Riya Ghosh
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Debapriyo Sarmadhikari
- Translational Health Science Technology Institute, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Shailendra Asthana
- Translational Health Science Technology Institute, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Tushar K Maiti
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | | | - Prasenjit Guchhait
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
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16
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Cassau S, Krieger J. Evidence for a role of SNMP2 and antennal support cells in sensillum lymph clearance processes of moth pheromone-responsive sensilla. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2024; 164:104046. [PMID: 38043913 DOI: 10.1016/j.ibmb.2023.104046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/10/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
In insect antenna, following the activation of olfactory sensory neurons, odorant molecules are inactivated by enzymes in the sensillum lymph. How the inactivation products are cleared from the sensillum lymph is presently unknown. Here we studied the role of support cells (SCs) and the so-called sensory neuron membrane protein 2 (SNMP2), a member of the CD36 family of lipid transporters abundantly expressed in SCs, in sensillum lymph clearance processes in the moths Heliothis virescens and Bombyx mori. In these species, the sex pheromone components are inactivated to long-chain fatty acids. To approach a role of SNMP2 in the removal of such inactivation products, we analyzed the uptake of a fluorescent long-chain fatty acid analog into a newly generated HvirSNMP2-expressing cell line. We found an increased uptake of the analog into SNMP2-cells compared to control cells, which could be blocked by the CD36 protein inhibitor, SSO. Furthermore, analyses of sensilla from antenna treated with the fatty acid analog indicated that SNMP2-expressing SCs are able to take up fatty acids from the sensillum lymph. In addition, sensilla from SSO-pretreated antenna of B. mori showed reduced removal of the fluorescent analog from the sensillum lymph. Finally, we revealed that SSO pretreatment of male silkmoth antenna significantly prolonged the duration of the female pheromone-induced wing-fluttering behavior, possibly as a result of impaired lymph clearance processes. Together our findings in H. virescens and B. mori support a pivotal role of olfactory SCs in sensillum lymph maintenance processes and suggest an integral role of SNMP2 in the removal of lipophilic "waste products" such as fatty acids resulting from sex pheromone inactivation.
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Affiliation(s)
- Sina Cassau
- Martin Luther University Halle-Wittenberg, Institute of Biology/Zoology, Department of Animal Physiology, 06120 Halle (Saale), Germany.
| | - Jürgen Krieger
- Martin Luther University Halle-Wittenberg, Institute of Biology/Zoology, Department of Animal Physiology, 06120 Halle (Saale), Germany.
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17
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Wen SY, Zhi X, Liu HX, Wang X, Chen YY, Wang L. Is the suppression of CD36 a promising way for atherosclerosis therapy? Biochem Pharmacol 2024; 219:115965. [PMID: 38043719 DOI: 10.1016/j.bcp.2023.115965] [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: 10/07/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 12/05/2023]
Abstract
Atherosclerosis is the main underlying pathology of many cardiovascular diseases and is marked by plaque formation in the artery wall. It has posed a serious threat to the health of people all over the world. CD36 acts as a significant regulator of lipid homeostasis, which is closely associated with the onset and progression of atherosclerosis and may be a new therapeutic target. The abnormal overexpression of CD36 facilitates lipid accumulation, foam cell formation, inflammation, endothelial apoptosis, and thrombosis. Numerous natural products and lipid-lowering agents are found to target the suppression of CD36 or inhibit the upregulation of CD36 to prevent and treat atherosclerosis. Here, the structure, expression regulation and function of CD36 in atherosclerosis and its related pharmacological therapies are reviewed. This review highlights the importance of drugs targeting CD36 suppression in the treatment and prevention of atherosclerosis, in order to develop new therapeutic strategies and potential anti-atherosclerotic drugs both preclinically and clinically.
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Affiliation(s)
- Shi-Yuan Wen
- College of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Xiaoyan Zhi
- College of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Hai-Xin Liu
- School of Traditional Chinese Materia Medica, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Xiaohui Wang
- College of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Yan-Yan Chen
- School of Medicine, Jiangsu University, Zhenjiang, China.
| | - Li Wang
- College of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China.
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18
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Boohar RT, Vandepas LE, Traylor-Knowles N, Browne WE. Phylogenetic and Protein Structure Analyses Provide Insight into the Evolution and Diversification of the CD36 Domain "Apex" among Scavenger Receptor Class B Proteins across Eukarya. Genome Biol Evol 2023; 15:evad218. [PMID: 38035778 PMCID: PMC10715195 DOI: 10.1093/gbe/evad218] [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: 12/27/2022] [Revised: 11/07/2023] [Accepted: 11/24/2023] [Indexed: 12/02/2023] Open
Abstract
The cluster of differentiation 36 (CD36) domain defines the characteristic ectodomain associated with class B scavenger receptor (SR-B) proteins. In bilaterians, SR-Bs play critical roles in diverse biological processes including innate immunity functions such as pathogen recognition and apoptotic cell clearance, as well as metabolic sensing associated with fatty acid uptake and cholesterol transport. Although previous studies suggest this protein family is ancient, SR-B diversity across Eukarya has not been robustly characterized. We analyzed SR-B homologs identified from the genomes and transcriptomes of 165 diverse eukaryotic species. The presence of highly conserved amino acid motifs across major eukaryotic supergroups supports the presence of a SR-B homolog in the last eukaryotic common ancestor. Our comparative analyses of SR-B protein structure identify the retention of a canonical asymmetric beta barrel tertiary structure within the CD36 ectodomain across Eukarya. We also identify multiple instances of independent lineage-specific sequence expansions in the apex region of the CD36 ectodomain-a region functionally associated with ligand-sensing. We hypothesize that a combination of both sequence expansion and structural variation in the CD36 apex region may reflect the evolution of SR-B ligand-sensing specificity between diverse eukaryotic clades.
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Affiliation(s)
- Reed T Boohar
- Department of Biology, University of Miami, Coral Gables, Florida, USA
| | - Lauren E Vandepas
- Department of Biology, University of Miami, Coral Gables, Florida, USA
| | - Nikki Traylor-Knowles
- Department of Marine Biology and Ecology, Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida, USA
| | - William E Browne
- Department of Biology, University of Miami, Coral Gables, Florida, USA
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19
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Kothari V, Savard C, Tang J, Lee SP, Subramanian S, Wang S, den Hartigh LJ, Bornfeldt KE, Ioannou GN. sTREM2 is a plasma biomarker for human NASH and promotes hepatocyte lipid accumulation. Hepatol Commun 2023; 7:e0265. [PMID: 37820278 PMCID: PMC10578746 DOI: 10.1097/hc9.0000000000000265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/28/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Pathogenetic mechanisms of the progression of NAFL to advanced NASH coupled with potential noninvasive biomarkers and novel therapeutic targets are active areas of investigation. The recent finding that increased plasma levels of a protein shed by myeloid cells -soluble Triggering Receptor Expressed on Myeloid cells 2 (sTREM2) -may be a biomarker for NASH has received much interest. We aimed to test sTREM2 as a biomarker for human NASH and investigate the role of sTREM2 in the pathogenesis of NASH. METHODS We conducted studies in both humans (comparing patients with NASH vs. NAFL) and in mice (comparing different mouse models of NASH) involving measurements of TREM2 gene and protein expression levels in the liver as well as circulating sTREM2 levels in plasma. We investigated the pathogenetic role of sTREM2 in hepatic steatosis using primary hepatocytes and bone marrow derived macrophages. RESULTS RNA sequencing analysis of livers from patients with NASH or NAFL as well as livers from 2 mouse models of NASH revealed elevated TREM2 expression in patients/mice with NASH as compared with NAFL. Plasma levels of sTREM2 were significantly higher in a well-characterized cohort of patients with biopsy-proven NASH versus NAFL (area under receiver-operating curve 0.807). Mechanistic studies revealed that cocultures of primary hepatocytes and macrophages with an impaired ability to shed sTREM2 resulted in reduced hepatocyte lipid droplet formation on palmitate stimulation, an effect that was counteracted by the addition of exogenous sTREM2 chimeric protein. Conversely, exogenous sTREM2 chimeric protein increased lipid droplet formation, triglyceride content, and expression of the lipid transporter CD36 in hepatocytes. Furthermore, inhibition of CD36 markedly attenuated sTREM2-induced lipid droplet formation in mouse primary hepatocytes. CONCLUSIONS Elevated levels of sTREM2 due to TREM2 shedding may directly contribute to the pathogenesis of NAFLD by promoting hepatocyte lipid accumulation, as well as serving as a biomarker for distinguishing patients with NASH versus NAFL. Further investigation of sTREM2 as a clinically useful diagnostic biomarker and of the therapeutic effects of targeting sTREM2 in NASH is warranted.
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Affiliation(s)
- Vishal Kothari
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
| | - Christopher Savard
- Department of Medicine, Division of Gastroenterology, Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
- Research and Development, Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA
| | - Jingjing Tang
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
| | - Sum P. Lee
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
| | - Savitha Subramanian
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
| | - Shari Wang
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
| | - Laura J. den Hartigh
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
| | - Karin E. Bornfeldt
- Department of Medicine, Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
| | - George N. Ioannou
- Department of Medicine, Division of Gastroenterology, Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
- Research and Development, Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA
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Fan H, Xia S, Xiang J, Li Y, Ross MO, Lim SA, Yang F, Tu J, Xie L, Dougherty U, Zhang FQ, Zheng Z, Zhang R, Wu R, Dong L, Su R, Chen X, Althaus T, Riedell PA, Jonker PB, Muir A, Lesinski GB, Rafiq S, Dhodapkar MV, Stock W, Odenike O, Patel AA, Opferman J, Tsuji T, Matsuzaki J, Shah H, Faubert B, Elf SE, Layden B, Bissonnette BM, He YY, Kline J, Mao H, Odunsi K, Gao X, Chi H, He C, Chen J. Trans-vaccenic acid reprograms CD8 + T cells and anti-tumour immunity. Nature 2023; 623:1034-1043. [PMID: 37993715 PMCID: PMC10686835 DOI: 10.1038/s41586-023-06749-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 10/16/2023] [Indexed: 11/24/2023]
Abstract
Diet-derived nutrients are inextricably linked to human physiology by providing energy and biosynthetic building blocks and by functioning as regulatory molecules. However, the mechanisms by which circulating nutrients in the human body influence specific physiological processes remain largely unknown. Here we use a blood nutrient compound library-based screening approach to demonstrate that dietary trans-vaccenic acid (TVA) directly promotes effector CD8+ T cell function and anti-tumour immunity in vivo. TVA is the predominant form of trans-fatty acids enriched in human milk, but the human body cannot produce TVA endogenously1. Circulating TVA in humans is mainly from ruminant-derived foods including beef, lamb and dairy products such as milk and butter2,3, but only around 19% or 12% of dietary TVA is converted to rumenic acid by humans or mice, respectively4,5. Mechanistically, TVA inactivates the cell-surface receptor GPR43, an immunomodulatory G protein-coupled receptor activated by its short-chain fatty acid ligands6-8. TVA thus antagonizes the short-chain fatty acid agonists of GPR43, leading to activation of the cAMP-PKA-CREB axis for enhanced CD8+ T cell function. These findings reveal that diet-derived TVA represents a mechanism for host-extrinsic reprogramming of CD8+ T cells as opposed to the intrahost gut microbiota-derived short-chain fatty acids. TVA thus has translational potential for the treatment of tumours.
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Affiliation(s)
- Hao Fan
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Siyuan Xia
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Human Cell Biology and Genetics, Southern University of Science and Technology School of Medicine, Shenzhen, China
| | - Junhong Xiang
- Department of Chemistry, The University of Chicago, Chicago, IL, USA
| | - Yuancheng Li
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Matthew O Ross
- Department of Chemistry, The University of Chicago, Chicago, IL, USA
| | - Seon Ah Lim
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Fan Yang
- Department of Chemistry, The University of Chicago, Chicago, IL, USA
| | - Jiayi Tu
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Lishi Xie
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | | | - Freya Q Zhang
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Zhong Zheng
- Department of Chemistry, The University of Chicago, Chicago, IL, USA
| | - Rukang Zhang
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Rong Wu
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Lei Dong
- Department of Systems Biology, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Rui Su
- Department of Systems Biology, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Xiufen Chen
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Thomas Althaus
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Peter A Riedell
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Patrick B Jonker
- The Ben May Department for Cancer Research, The University of Chicago, Chicago, IL, USA
| | - Alexander Muir
- The Ben May Department for Cancer Research, The University of Chicago, Chicago, IL, USA
| | - Gregory B Lesinski
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Sarwish Rafiq
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Madhav V Dhodapkar
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Wendy Stock
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | | | - Anand A Patel
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Joseph Opferman
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Takemasa Tsuji
- Department of Obstetrics and Gynecology, The University of Chicago, Chicago, IL, USA
| | - Junko Matsuzaki
- Department of Obstetrics and Gynecology, The University of Chicago, Chicago, IL, USA
| | - Hardik Shah
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Brandon Faubert
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Shannon E Elf
- The Ben May Department for Cancer Research, The University of Chicago, Chicago, IL, USA
| | - Brian Layden
- Department of Medicine, University of Illinois Chicago, Chicago, IL, USA
| | | | - Yu-Ying He
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Justin Kline
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Hui Mao
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, USA
| | - Kunle Odunsi
- Department of Obstetrics and Gynecology, The University of Chicago, Chicago, IL, USA
| | - Xue Gao
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Medicine, The University of Chicago, Chicago, IL, USA
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Hongbo Chi
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA.
| | - Chuan He
- Department of Chemistry, The University of Chicago, Chicago, IL, USA.
| | - Jing Chen
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA.
- Winship Cancer Institute, Emory University, Atlanta, GA, USA.
- Department of Medicine, The University of Chicago, Chicago, IL, USA.
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21
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Mallick R, Bhowmik P, Duttaroy AK. Targeting fatty acid uptake and metabolism in cancer cells: A promising strategy for cancer treatment. Biomed Pharmacother 2023; 167:115591. [PMID: 37774669 DOI: 10.1016/j.biopha.2023.115591] [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: 08/24/2023] [Revised: 09/21/2023] [Accepted: 09/25/2023] [Indexed: 10/01/2023] Open
Abstract
Despite scientific development, cancer is still a fatal disease. The development of cancer is thought to be significantly influenced by fatty acids. Several mechanisms that control fatty acid absorption and metabolism are reported to be altered in cancer cells to support their survival. Cancer cells can use de novo synthesis or uptake of extracellular fatty acid if one method is restricted. This factor makes it more difficult to target one pathway while failing to treat the disease properly. Side effects may also arise if several inhibitors simultaneously target many targets. If a viable inhibitor could work on several routes, the number of negative effects might be reduced. Comparative investigations against cell viability have found several potent natural and manmade substances. In this review, we discuss the complex roles that fatty acids play in the development of tumors and the progression of cancer, newly discovered and potentially effective natural and synthetic compounds that block the uptake and metabolism of fatty acids, the adverse side effects that can occur when multiple inhibitors are used to treat cancer, and emerging therapeutic approaches.
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Affiliation(s)
- Rahul Mallick
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Finland
| | - Prasenjit Bhowmik
- Department of Chemistry, Uppsala Biomedical Centre, Uppsala University, Sweden
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Norway.
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22
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Liu X, Zhang J, Chen Z, Xiao J, Zhou A, Fu Y, Cao Y. Cluster-determinant 36 (CD36) mediates intestinal absorption of dietary astaxanthin and affects its secretion. Food Res Int 2023; 173:113328. [PMID: 37803639 DOI: 10.1016/j.foodres.2023.113328] [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: 05/16/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 10/08/2023]
Abstract
The functional activity of dietary astaxanthin is closely related to its absorption, and the absorption of dietary carotenoids mainly mediated by transmembrane transport protein (TTP) has become the mainstream research direction in recent years. However, the main TTP mediating astaxanthin absorption and its potential mechanisms are still unclear. Hence, based on the preliminary screening results, this study aims to elucidate the role of cluster-determinant 36 (CD36) mediating astaxanthin absorption from the perspective of expression levels through in vitro cell model, in situ single-pass intestinal perfusion model and in vivo mice model. The results showed that astaxanthin uptake was significantly increased by 45.13% in CD36 overexpressing cells and decreased by 20.92% in the case of sulfo-N-succinimidyl oleate (SSO) inhibition. A similar trend also appeared in the duodenum and jejunum by in situ model. Moreover, astaxanthin uptake in the small intestine of CD36 knockout mice was significantly reduced by 88.22%. Furthermore, the inhibition or knockout of CD36 suppressed the expression of other transporters (SR-BI and NPC1L1). Interestingly, CD36 was also involved in the downstream secretion pathway, which is manifested by interfering with the expression of related proteins (ERK1/2, MTP, ApoB48, and ApoAI). Therefore, these results indicate the important role of CD36 in astaxanthin transmembrane transport for the first time, providing vital exploration way for the absorption of dietary fat-soluble substances.
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Affiliation(s)
- Xiaojuan Liu
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China.
| | - Junlin Zhang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Zhiqing Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Jie Xiao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Aimei Zhou
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Yongshui Fu
- Institute of Blood Transfusion, Guangzhou Blood Center, Guangzhou 510095, China
| | - Yong Cao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
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23
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Zhang M, Bai X, Du Q, Xu J, Wang D, Chen L, Dong K, Chen Z, Yang J. The Different Mechanisms of Lipid Accumulation in Hepatocytes Induced by Oleic Acid/Palmitic Acid and High-Fat Diet. Molecules 2023; 28:6714. [PMID: 37764494 PMCID: PMC10536454 DOI: 10.3390/molecules28186714] [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: 08/06/2023] [Revised: 09/15/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the primary chronic liver disease worldwide, mainly manifested by hepatic steatosis. Hepatic lipids may be derived from dietary intake, plasma free fatty acid (FFA) uptake, or hepatic de novo lipogenesis (DNL). Currently, cellular and animal models of hepatocellular steatosis are widely used to study the pathogenesis of NAFLD and to investigate therapeutic agents. However, whether there are differences between the in vivo and in vitro models of the mechanisms that cause lipid accumulation has not been reported. We used OA/PA-induced NCTC 1469 cells and high-fat-diet-fed C57BL/6J mice to simulate a hepatocyte steatosis model of NAFLD and to detect indicators related to FFA uptake and DNL. In addition, when serological indicators were analysed in the mouse model, it was found that serum FASN levels decreased. The results revealed that, in the cellular model, indicators related to DNL were decreased, FASN enzyme activity was unchanged, and indicators related to FFA uptake were increased, including the high expression of CD36; while, in the animal model, indicators related to both FFA uptake and de novo synthesis were increased, including the high expression of CD36 and the increased protein levels of FASN with enhanced enzyme activity. In addition, after an analysis of the serological indicators in the mouse model, it was found that the serum levels of FASN were reduced. In conclusion, the OA/PA-induced cellular model can be used to study the mechanism of FFA uptake, whereas the high-fat-diet-induced mouse model can be used to study the mechanism of FFA uptake and DNL. Combined treatment with CD36 and FASN may be more effective against NAFLD. FASN in the serum can be used as one of the indicators for the clinical diagnosis of NAFLD.
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Affiliation(s)
- Miao Zhang
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Xue Bai
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Qian Du
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Jiaojiao Xu
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Danqing Wang
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Lei Chen
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Keting Dong
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
| | - Ziyue Chen
- School of Nursing, Capital Medical University, Beijing 100069, China;
| | - Jianhong Yang
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101400, China; (M.Z.); (X.B.); (Q.D.); (J.X.); (D.W.); (L.C.); (K.D.)
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24
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Chen L, Wang Y, Hu Q, Liu Y, Qi X, Tang Z, Hu H, Lin N, Zeng S, Yu L. Unveiling tumor immune evasion mechanisms: abnormal expression of transporters on immune cells in the tumor microenvironment. Front Immunol 2023; 14:1225948. [PMID: 37545500 PMCID: PMC10401443 DOI: 10.3389/fimmu.2023.1225948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/06/2023] [Indexed: 08/08/2023] Open
Abstract
The tumor microenvironment (TME) is a crucial driving factor for tumor progression and it can hinder the body's immune response by altering the metabolic activity of immune cells. Both tumor and immune cells maintain their proliferative characteristics and physiological functions through transporter-mediated regulation of nutrient acquisition and metabolite efflux. Transporters also play an important role in modulating immune responses in the TME. In this review, we outline the metabolic characteristics of the TME and systematically elaborate on the effects of abundant metabolites on immune cell function and transporter expression. We also discuss the mechanism of tumor immune escape due to transporter dysfunction. Finally, we introduce some transporter-targeted antitumor therapeutic strategies, with the aim of providing new insights into the development of antitumor drugs and rational drug usage for clinical cancer therapy.
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Affiliation(s)
- Lu Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang, Department of Clinical Pharmacy, Affiliated Hangzhou First People’s Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yuchen Wang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Qingqing Hu
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Jinhua, China
| | - Yuxi Liu
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Xuchen Qi
- Department of Neurosurgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Zhihua Tang
- Department of Pharmacy, Shaoxing People’s Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Haihong Hu
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Nengming Lin
- Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang, Department of Clinical Pharmacy, Affiliated Hangzhou First People’s Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
- Westlake Laboratory of Life Sciences and Biomedicine of Zhejiang Province, Hangzhou, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Lushan Yu
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Department of Pharmacy, Shaoxing People’s Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
- Westlake Laboratory of Life Sciences and Biomedicine of Zhejiang Province, Hangzhou, China
- Department of Pharmacy, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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25
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Peche VS, Pietka TA, Jacome-Sosa M, Samovski D, Palacios H, Chatterjee-Basu G, Dudley AC, Beatty W, Meyer GA, Goldberg IJ, Abumrad NA. Endothelial cell CD36 regulates membrane ceramide formation, exosome fatty acid transfer and circulating fatty acid levels. Nat Commun 2023; 14:4029. [PMID: 37419919 PMCID: PMC10329018 DOI: 10.1038/s41467-023-39752-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 06/28/2023] [Indexed: 07/09/2023] Open
Abstract
Endothelial cell (EC) CD36 controls tissue fatty acid (FA) uptake. Here we examine how ECs transfer FAs. FA interaction with apical membrane CD36 induces Src phosphorylation of caveolin-1 tyrosine-14 (Cav-1Y14) and ceramide generation in caveolae. Ensuing fission of caveolae yields vesicles containing FAs, CD36 and ceramide that are secreted basolaterally as small (80-100 nm) exosome-like extracellular vesicles (sEVs). We visualize in transwells EC transfer of FAs in sEVs to underlying myotubes. In mice with EC-expression of the exosome marker emeraldGFP-CD63, muscle fibers accumulate circulating FAs in emGFP-labeled puncta. The FA-sEV pathway is mapped through its suppression by CD36 depletion, blocking actin-remodeling, Src inhibition, Cav-1Y14 mutation, and neutral sphingomyelinase 2 inhibition. Suppression of sEV formation in mice reduces muscle FA uptake, raises circulating FAs, which remain in blood vessels, and lowers glucose, mimicking prominent Cd36-/- mice phenotypes. The findings show that FA uptake influences membrane ceramide, endocytosis, and EC communication with parenchymal cells.
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Affiliation(s)
- V S Peche
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA.
| | - T A Pietka
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - M Jacome-Sosa
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - D Samovski
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - H Palacios
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - G Chatterjee-Basu
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - A C Dudley
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, 22908, USA
| | - W Beatty
- Department of Microbiology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - G A Meyer
- Departments of Physical Therapy, Neurology and Orthopedic Surgery, Washington University School of Medicine, St. Louis, 63110, USA
| | - I J Goldberg
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - N A Abumrad
- Department of Medicine, Division of Nutritional Sciences, Washington University School of Medicine, St. Louis, MO, 63110, USA.
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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26
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Feng WW, Zuppe HT, Kurokawa M. The Role of CD36 in Cancer Progression and Its Value as a Therapeutic Target. Cells 2023; 12:1605. [PMID: 37371076 DOI: 10.3390/cells12121605] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Cluster of differentiation 36 (CD36) is a cell surface scavenger receptor that plays critical roles in many different types of cancer, notably breast, brain, and ovarian cancers. While it is arguably most well-known for its fatty acid uptake functions, it is also involved in regulating cellular adhesion, immune response, and apoptosis depending on the cellular and environmental contexts. Here, we discuss the multifaceted role of CD36 in cancer biology, such as its role in mediating metastasis, drug resistance, and immune evasion to showcase its potential as a therapeutic target. We will also review existing approaches to targeting CD36 in pre-clinical studies, as well as discuss the only CD36-targeting drug to advance to late-stage clinical trials, VT1021. Given the roles of CD36 in the etiology of metabolic disorders, such as atherosclerosis, diabetes, and non-alcoholic fatty liver disease, the clinical implications of CD36-targeted therapy are wide-reaching, even beyond cancer.
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Affiliation(s)
- William W Feng
- Lowe Center for Thoracic Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02215, USA
| | - Hannah T Zuppe
- School of Biomedical Sciences, Kent State University, Kent, OH 44240, USA
| | - Manabu Kurokawa
- School of Biomedical Sciences, Kent State University, Kent, OH 44240, USA
- Department of Biological Sciences, Kent State University, Kent, OH 44240, USA
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27
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Nóbrega-Pereira S, Santos F, Oliveira Santos M, Serafim TL, Lopes AP, Coutinho D, Carvalho FS, Domingues RM, Domingues P, Bernardes de Jesus B, Morais VA, Dias S. Mitochondrial Metabolism Drives Low-density Lipoprotein-induced Breast Cancer Cell Migration. CANCER RESEARCH COMMUNICATIONS 2023; 3:709-724. [PMID: 37377750 PMCID: PMC10132314 DOI: 10.1158/2767-9764.crc-22-0394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 03/17/2023] [Accepted: 03/29/2023] [Indexed: 06/29/2023]
Abstract
Most cancer-related deaths are due to metastases. Systemic factors, such as lipid-enriched environments [as low-density lipoprotein (LDL)-cholesterol], favor breast cancer, including triple-negative breast cancer (TNBC) metastasis formation. Mitochondria metabolism impacts TNBC invasive behavior but its involvement in a lipid-enriched setting is undisclosed. Here we show that LDL increases lipid droplets, induces CD36 and augments TNBC cells migration and invasion in vivo and in vitro. LDL induces higher mitochondrial mass and network spread in migrating cells, in an actin remodeling-dependent manner, and transcriptomic and energetic analyses revealed that LDL renders TNBC cells dependent on fatty acids (FA) usage for mitochondrial respiration. Indeed, engagement on FA transport into the mitochondria is required for LDL-induced migration and mitochondrial remodeling. Mechanistically, LDL treatment leads to mitochondrial long-chain fatty acid accumulation and increased reactive oxygen species (ROS) production. Importantly, CD36 or ROS blockade abolished LDL-induced cell migration and mitochondria metabolic adaptations. Our data suggest that LDL induces TNBC cells migration by reprogramming mitochondrial metabolism, revealing a new vulnerability in metastatic breast cancer. Significance LDL induces breast cancer cell migration that relies on CD36 for mitochondrial metabolism and network remodeling, providing an antimetastatic metabolic strategy.
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Affiliation(s)
- Sandrina Nóbrega-Pereira
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
- Instituto de Biomedicina (iBiMED), Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Francisco Santos
- Instituto de Biomedicina (iBiMED), Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Miguel Oliveira Santos
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Teresa L. Serafim
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Ana Patrícia Lopes
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Diogo Coutinho
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Filipa S. Carvalho
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Rosário M. Domingues
- Mass Spectrometry Center, QOPNA, University of Aveiro, Aveiro, Portugal
- Department of Chemistry and CESAM&ECOMARE, University of Aveiro, Aveiro, Portugal
| | - Pedro Domingues
- Mass Spectrometry Center, QOPNA, University of Aveiro, Aveiro, Portugal
| | - Bruno Bernardes de Jesus
- Instituto de Biomedicina (iBiMED), Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Vanessa A. Morais
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Sérgio Dias
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
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Suprewicz Ł, Skłodowski K, Walewska A, Deptuła P, Sadzyńska A, Eljaszewicz A, Moniuszko M, Janmey PA, Bucki R. Plasma Gelsolin Enhances Phagocytosis of Candida auris by Human Neutrophils through Scavenger Receptor Class B. Microbiol Spectr 2023; 11:e0408222. [PMID: 36802172 PMCID: PMC10101141 DOI: 10.1128/spectrum.04082-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 01/30/2023] [Indexed: 02/23/2023] Open
Abstract
In addition to its role as an actin-depolymerizing factor in the blood, plasma gelsolin (pGSN) binds bacterial molecules and stimulates the phagocytosis of bacteria by macrophages. Here, using an in vitro system, we assessed whether pGSN could also stimulate phagocytosis of the fungal pathogen Candida auris by human neutrophils. The extraordinary ability of C. auris to evade immune responses makes it particularly challenging to eradicate in immunocompromised patients. We demonstrate that pGSN significantly enhances C. auris uptake and intracellular killing. Stimulation of phagocytosis was accompanied by decreased neutrophil extracellular trap (NET) formation and reduced secretion of proinflammatory cytokines. Gene expression studies revealed pGSN-dependent upregulation of scavenger receptor class B (SR-B). Inhibition of SR-B using sulfosuccinimidyl oleate (SSO) and block lipid transport-1 (BLT-1) decreased the ability of pGSN to enhance phagocytosis, indicating that pGSN potentiates the immune response through an SR-B-dependent pathway. These results suggest that the response of the host's immune system during C. auris infection may be enhanced by the administration of recombinant pGSN. IMPORTANCE The incidence of life-threatening multidrug-resistant Candida auris infections is rapidly growing, causing substantial economic costs due to outbreaks in hospital wards. Primary and secondary immunodeficiencies in susceptible individuals, such as those with leukemia, solid organ transplants, diabetes, and ongoing chemotherapy, often correlate with decreased plasma gelsolin concentration (hypogelsolinemia) and impairment of innate immune responses due to severe leukopenia. Immunocompromised patients are predisposed to superficial and invasive fungal infections. Morbidity caused by C. auris among immunocompromised patients can be as great as 60%. In the era of ever-growing fungal resistance in an aging society, it is critical to seek novel immunotherapies that may help combat these infections. The results reported here suggest the possibility of using pGSN as an immunomodulator of the immune response by neutrophils during C. auris infection.
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Affiliation(s)
- Łukasz Suprewicz
- Department of Medical Microbiology and Biomedical Engineering, Medical University of Białystok, Białystok, Poland
| | - Karol Skłodowski
- Department of Medical Microbiology and Biomedical Engineering, Medical University of Białystok, Białystok, Poland
| | - Alicja Walewska
- Department of Regenerative Medicine and Immune Regulation, Medical University of Białystok, Białystok, Poland
| | - Piotr Deptuła
- Department of Medical Microbiology and Biomedical Engineering, Medical University of Białystok, Białystok, Poland
| | - Alicja Sadzyńska
- Prof. Edward F. Szczepanik State Vocational University—Suwałki, Suwałki, Poland
| | - Andrzej Eljaszewicz
- Department of Regenerative Medicine and Immune Regulation, Medical University of Białystok, Białystok, Poland
| | - Marcin Moniuszko
- Department of Regenerative Medicine and Immune Regulation, Medical University of Białystok, Białystok, Poland
| | - Paul A. Janmey
- Department of Physiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Robert Bucki
- Department of Medical Microbiology and Biomedical Engineering, Medical University of Białystok, Białystok, Poland
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29
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Samovski D, Jacome-Sosa M, Abumrad NA. Fatty Acid Transport and Signaling: Mechanisms and Physiological Implications. Annu Rev Physiol 2023; 85:317-337. [PMID: 36347219 DOI: 10.1146/annurev-physiol-032122-030352] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Long-chain fatty acids (FAs) are components of plasma membranes and an efficient fuel source and also serve as metabolic regulators through FA signaling mediated by membrane FA receptors. Impaired tissue FA uptake has been linked to major complications of obesity, including insulin resistance, cardiovascular disease, and type 2 diabetes. Fatty acid interactions with a membrane receptor and the initiation of signaling can modify pathways related to nutrient uptake and processing, cell proliferation or differentiation, and secretion of bioactive factors. Here, we review the major membrane receptors involved in FA uptake and FA signaling. We focus on two types of membrane receptors for long-chain FAs: CD36 and the G protein-coupled FA receptors FFAR1 and FFAR4. We describe key signaling pathways and metabolic outcomes for CD36, FFAR1, and FFAR4 and highlight the parallels that provide insight into FA regulation of cell function.
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Affiliation(s)
- Dmitri Samovski
- Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA;
| | - Miriam Jacome-Sosa
- Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA;
| | - Nada A Abumrad
- Center for Human Nutrition, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA; .,Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, Missouri, USA
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30
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Liu H, Ju A, Dong X, Luo Z, Tang J, Ma B, Fu Y, Luo Y. Young and undamaged recombinant albumin alleviates T2DM by improving hepatic glycolysis through EGFR and protecting islet β cells in mice. J Transl Med 2023; 21:89. [PMID: 36747238 PMCID: PMC9903539 DOI: 10.1186/s12967-023-03957-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Albumin is the most abundant protein in serum and serves as a transporter of free fatty acids (FFA) in blood vessels. In type 2 diabetes mellitus (T2DM) patients, the reduced serum albumin level is a risk factor for T2DM development and progression, although this conclusion is controversial. Moreover, there is no study on the effects and mechanisms of albumin administration to relieve T2DM. We examined whether the administration of young and undamaged recombinant albumin can alleviate T2DM in mice. METHODS The serum albumin levels and metabolic phenotypes including fasting blood glucose, glucose tolerance tests, and glucose-stimulated insulin secretion were studied in db/db mice or diet-induced obesity mice treated with saline or young, undamaged, and ultrapure rMSA. Apoptosis assays were performed at tissue and cell levels to determine the function of rMSA on islet β cell protection. Metabolic flux and glucose uptake assays were employed to investigate metabolic changes in saline-treated or rMSA-treated mouse hepatocytes and compared their sensitivity to insulin treatments. RESULTS In this study, treatment of T2DM mice with young, undamaged, and ultrapure recombinant mouse serum albumin (rMSA) increased their serum albumin levels, which resulted in a reversal of the disease including reduced fasting blood glucose levels, improved glucose tolerance, increased glucose-stimulated insulin secretion, and alleviated islet atrophy. At the cellular level, rMSA improved glucose uptake and glycolysis in hepatocytes. Mechanistically, rMSA reduced the binding between CAV1 and EGFR to increase EGFR activation leading to PI3K-AKT activation. Furthermore, rMSA extracellularly reduced the rate of fatty acid uptake by islet β-cells, which relieved the accumulation of intracellular ceramide, endoplasmic reticulum stress, and apoptosis. This study provided the first clear demonstration that injections of rMSA can alleviate T2DM in mice. CONCLUSION Our study demonstrates that increasing serum albumin levels can promote glucose homeostasis and protect islet β cells, which alleviates T2DM.
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Affiliation(s)
- Hongyi Liu
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,grid.452723.50000 0004 7887 9190Tsinghua-Peking Joint Center for Life Sciences, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Anji Ju
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Xuan Dong
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Zongrui Luo
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Jiaze Tang
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Boyuan Ma
- grid.12527.330000 0001 0662 3178School of Life Sciences, Tsinghua University, Beijing, 100084 China ,The National Engineering Research Center for Protein Technology, Beijing, 100084 China ,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084 China
| | - Yan Fu
- School of Life Sciences, Tsinghua University, Beijing, 100084, China. .,The National Engineering Research Center for Protein Technology, Beijing, 100084, China. .,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084, China. .,School of Life Sciences, Tsinghua University, Beijing, 100084, China.
| | - Yongzhang Luo
- School of Life Sciences, Tsinghua University, Beijing, 100084, China. .,Tsinghua-Peking Joint Center for Life Sciences, Beijing, 100084, China. .,The National Engineering Research Center for Protein Technology, Beijing, 100084, China. .,Beijing Key Laboratory for Protein Therapeutics, Beijing, 100084, China. .,School of Life Sciences, Tsinghua University, Beijing, 100084, China.
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31
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Jia Y, Zhu Y, Wang R, Ye Q, Xu D, Zhang W, Zhang Y, Shan G, Zhu L. Novel insights into the mediating roles of cluster of differentiation 36 in transmembrane transport and tissue partition of per- and polyfluoroalkyl substances in mice. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130129. [PMID: 36303356 DOI: 10.1016/j.jhazmat.2022.130129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/26/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Transmembrane transport is important for bioaccumulation of per- and polyfluoroalkyl substances (PFASs) in organisms, but has not yet been well understood. Here, the roles of cluster of differentiation 36 (CD36) in accumulation of PFASs were investigated. CD36 was overexpressed in Escherichia coli to get CD36-BL21 strain, and the binding affinities of 20 PFASs with CD36 were determined by microscale thermophoresis, which grew up to 17.5 μM with increasing carbon chain length. Consequently, the accumulation of most PFASs was remarkably promoted in CD36-BL21 in comparison to the wild strain, and the enhancement was proportional to their binding affinities with CD36 (r = -0.96). However, this effect was depressed greatly as CD36 was inhibited by sulfo-N-succinimidyl oleate (SSO). Additionally, as the mice received SSO pretreatment before they were exposed to perfluorododecanoic acid, its accumulation in the tissues rich in CD36, such as liver, was suppressed, but increased by 1.1 times in the serum. These indicated that CD36 played critical roles in the transmembrane transport and tissue partition of PFASs in organisms. The developed relationship between liver-blood partition of PFASs and their binding affinities with intracellular proteins was distinctly improved by incorporating that with CD36 (r = -0.97).
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Affiliation(s)
- Yibo Jia
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Yumin Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Rouyi Wang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Qingqing Ye
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Dashan Xu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Wei Zhang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Yanfeng Zhang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Guoqiang Shan
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Lingyan Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China; Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Tianjin 300350, PR China; College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China.
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32
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Yang R, Liu Q, Zhang M. The Past and Present Lives of the Intraocular Transmembrane Protein CD36. Cells 2022; 12:cells12010171. [PMID: 36611964 PMCID: PMC9818597 DOI: 10.3390/cells12010171] [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: 10/30/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
Cluster of differentiation 36 (CD36) belongs to the B2 receptors of the scavenger receptor class B family, which is comprised of single-chain secondary transmembrane glycoproteins. It is present in a variety of cell types, including monocytes, macrophages, microvascular endothelial cells, adipocytes, hepatocytes, platelets, skeletal muscle cells, kidney cells, cardiomyocytes, taste bud cells, and a variety of other cell types. CD36 can be localized on the cell surface, mitochondria, endoplasmic reticulum, and endosomes, playing a role in lipid accumulation, oxidative stress injury, apoptosis, and inflammatory signaling. Recent studies have found that CD36 is expressed in a variety of ocular cells, including retinal pigment epithelium (RPE), retinal microvascular endothelial cells, retinal ganglion cells (RGC), Müller cells, and photoreceptor cells, playing an important role in eye diseases, such as age-related macular degeneration (AMD), diabetic retinopathy (DR), and glaucoma. Therefore, a comprehensive understanding of CD36 function and downstream signaling pathways is of great significance for the prevention and treatment of eye diseases. This article reviews the molecular characteristics, distribution, and function of scavenger receptor CD36 and its role in ophthalmology in order to deepen the understanding of CD36 in eye diseases and provide new ideas for treatment strategies.
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Affiliation(s)
- Rucui Yang
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou 515041, China
- Department of Ophthalmology, Shantou University Medical College, Shantou University, Shantou 515041, China
| | - Qingping Liu
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou 515041, China
| | - Mingzhi Zhang
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou 515041, China
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33
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Zierfuss B, Buda A, Villoria-González A, Logist M, Fabjan J, Parzer P, Battin C, Vandersteene S, Dijkstra IME, Waidhofer-Söllner P, Grabmeier-Pfistershammer K, Steinberger P, Kemp S, Forss-Petter S, Berger J, Weinhofer I. Saturated very long-chain fatty acids regulate macrophage plasticity and invasiveness. J Neuroinflammation 2022; 19:305. [PMID: 36528616 PMCID: PMC9759912 DOI: 10.1186/s12974-022-02664-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/04/2022] [Indexed: 12/23/2022] Open
Abstract
Saturated very long-chain fatty acids (VLCFA, ≥ C22), enriched in brain myelin and innate immune cells, accumulate in X-linked adrenoleukodystrophy (X-ALD) due to inherited dysfunction of the peroxisomal VLCFA transporter ABCD1. In its severest form, X-ALD causes cerebral myelin destruction with infiltration of pro-inflammatory skewed monocytes/macrophages. How VLCFA levels relate to macrophage activation is unclear. Here, whole transcriptome sequencing of X-ALD macrophages indicated that VLCFAs prime human macrophage membranes for inflammation and increased expression of factors involved in chemotaxis and invasion. When added externally to mimic lipid release in demyelinating X-ALD lesions, VLCFAs did not activate toll-like receptors in primary macrophages. In contrast, VLCFAs provoked pro-inflammatory responses through scavenger receptor CD36-mediated uptake, cumulating in JNK signalling and expression of matrix-degrading enzymes and chemokine release. Following pro-inflammatory LPS activation, VLCFA levels increased also in healthy macrophages. With the onset of the resolution, VLCFAs were rapidly cleared in control macrophages by increased peroxisomal VLCFA degradation through liver-X-receptor mediated upregulation of ABCD1. ABCD1 deficiency impaired VLCFA homeostasis and prolonged pro-inflammatory gene expression upon LPS treatment. Our study uncovers a pivotal role for ABCD1, a protein linked to neuroinflammation, and associated peroxisomal VLCFA degradation in regulating macrophage plasticity.
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Affiliation(s)
- Bettina Zierfuss
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
- Department of Neuroscience, Centre de Recherche du CHUM, Université de Montréal, Montréal, H2X 0A9, Canada
| | - Agnieszka Buda
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Andrea Villoria-González
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Maxime Logist
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
- Department of Chronic Diseases and Metabolism, Translational Research in GastroIntestinal Disorders, KU Leuven, 3000, Leuven, Belgium
| | - Jure Fabjan
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Patricia Parzer
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Claire Battin
- Division of Immune Receptors and T Cell Activation, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090, Vienna, Austria
| | - Streggi Vandersteene
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Inge M E Dijkstra
- Genetic Metabolic Diseases, Department of Clinical Chemistry, Amsterdam University Medical Center, Amsterdam Neuroscience, Amsterdam Gastroenterology Endocrinology Metabolism, University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands
| | - Petra Waidhofer-Söllner
- Division of Immune Receptors and T Cell Activation, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090, Vienna, Austria
| | - Katharina Grabmeier-Pfistershammer
- Division of Immune Receptors and T Cell Activation, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090, Vienna, Austria
| | - Peter Steinberger
- Division of Immune Receptors and T Cell Activation, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090, Vienna, Austria
| | - Stephan Kemp
- Genetic Metabolic Diseases, Department of Clinical Chemistry, Amsterdam University Medical Center, Amsterdam Neuroscience, Amsterdam Gastroenterology Endocrinology Metabolism, University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands
| | - Sonja Forss-Petter
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Johannes Berger
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria
| | - Isabelle Weinhofer
- Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, 1090, Vienna, Austria.
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Chu Q, An J, Liu P, Song Y, Zhai X, Yang R, Niu J, Yang C, Li B. Repurposing a tricyclic antidepressant in tumor and metabolism disease treatment through fatty acid uptake inhibition. J Exp Med 2022; 220:213757. [PMID: 36520461 PMCID: PMC9757841 DOI: 10.1084/jem.20221316] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/17/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Fatty acid uptake is essential for cell physiological function, but detailed mechanisms remain unclear. Here, we generated an acetyl-CoA carboxylases (ACC1/2) double-knockout cell line, which lacked fatty acid biosynthesis and survived on serum fatty acids and was used to screen for fatty acid uptake inhibitors. We identified a Food and Drug Administration-approved tricyclic antidepressant, nortriptyline, that potently blocked fatty acid uptake both in vitro and in vivo. We also characterized underlying mechanisms whereby nortriptyline provoked lysosomes to release protons and induce cell acidification to suppress macropinocytosis, which accounted for fatty acid endocytosis. Furthermore, nortriptyline alone or in combination with ND-646, a selective ACC1/2 inhibitor, significantly repressed tumor growth, lipogenesis, and hepatic steatosis in mice. Therefore, we show that cells actively take up fatty acids through macropinocytosis, and we provide a potential strategy suppressing tumor growth, lipogenesis, and hepatic steatosis through controlling the cellular level of fatty acids.
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Affiliation(s)
- Qiaoyun Chu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Jing An
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Ping Liu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Yihan Song
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Xuewei Zhai
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Ronghui Yang
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jing Niu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Chuanzhen Yang
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Binghui Li
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China,Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China,Correspondence to Binghui Li:
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35
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Kobayashi Y, Watanabe N, Hiura R, Kubota M, Furuta K, Sugimoto K, Murota K, Nakamura E, Matsuura T, Kai K, Inui T, Kitakaze T, Harada N, Yamaji R. Transport Form and Pathway from the Intestine to the Peripheral Tissues and the Intestinal Absorption and Metabolism Properties of Oleamide. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15499-15508. [PMID: 36458736 DOI: 10.1021/acs.jafc.2c06791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This study aimed to obtain information on the transport form and pathway from the intestine to the peripheral tissues and on the intestinal absorption and metabolism properties of oleamide (cis-9-octadecenamide). Oleamide was primarily transported via the portal vein. Density gradient centrifugation indicated that plasma oleamide was enriched in the fractions containing albumin in the portal and peripheral blood. Oleamide formed a complex with albumin in an endothermic reaction (apparent Kd = 4.4 μM). The CD36 inhibitor inhibited the oleamide uptake into the intestinal epithelial Caco-2 cells, and oleamide decreased the cell surface CD36 level. The fatty acid amide hydrolase (FAAH) inhibitor increased the transepithelial transport of oleamide across Caco-2 cells and the plasma oleamide concentration in mice intragastrically administered with oleamide. These results indicate that oleamide is transported primarily via the portal vein as a complex with albumin. Furthermore, we suggest that oleamide is taken up via CD36 in the small intestine and degraded intracellularly by FAAH.
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Affiliation(s)
- Yasuyuki Kobayashi
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Natsumi Watanabe
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Reina Hiura
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Mai Kubota
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Kousuke Furuta
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Keiichiro Sugimoto
- Research and Development Center, Nagaoka Co., Ltd., Ibaraki, Osaka 5670005, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Kaeko Murota
- Department of Life Sciences, Faculty of Life and Environmental Sciences, Shimane University, Matsue, Shimane 6908504, Japan
| | - Eri Nakamura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Toshiki Matsuura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Kenji Kai
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Takashi Inui
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Tomoya Kitakaze
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Naoki Harada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Ryoichi Yamaji
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
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Day ZI, Mayfosh AJ, Giel MC, Hong Y, Williams SA, Santavanond JP, Rau TF, Poon IK, Hulett MD. Novel Formulation of Undecylenic Acid induces Tumor Cell Apoptosis. Int J Mol Sci 2022; 23:ijms232214170. [PMID: 36430646 PMCID: PMC9692760 DOI: 10.3390/ijms232214170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/28/2022] [Accepted: 11/10/2022] [Indexed: 11/18/2022] Open
Abstract
Undecylenic acid, a monounsaturated fatty acid, is currently in clinical use as a topical antifungal agent, however the potential for therapeutic application in other disease settings has not been investigated. In this study, we describe a novel platform for the solubilization of fatty acids using amino acids and utilize this approach to define a tumoricidal activity and underlying mechanism for undecylenic acid. We examined a novel formulation of undecylenic acid compounded with L-Arginine, called GS-1, that induced concentration-dependent tumor cell death, with undecylenic acid being the cytotoxic component. Further investigation revealed that GS-1-mediated cell death was caspase-dependent with a reduction in mitochondrial membrane potential, suggesting a pro-apoptotic mechanism of action. Additionally, GS-1 was found to localize intracellularly to lipid droplets. In contrast to previous studies where lipid droplets have been shown to be protective against fatty acid-induced cell death, we showed that lipid droplets could not protect against GS-1-induced cytotoxicity. We also found a role for Fatty Acid Transport Protein 2 (FATP2) in the uptake of this compound. Collectively, this study demonstrates that GS-1 has effective pro-apoptotic antitumor activity in vitro and, together with the novel platform of fatty acid solubilization, contributes to the re-emerging field of fatty acids as potential anti-cancer therapeutics.
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Affiliation(s)
- Zoe I. Day
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Alyce J. Mayfosh
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
- Wintermute Biomedical, 789 Bauer Lane, Corvallis, MT 59828, USA
| | - Marie-Claire Giel
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Yuning Hong
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Scott A. Williams
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Jascinta P. Santavanond
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Thomas F. Rau
- Wintermute Biomedical, 789 Bauer Lane, Corvallis, MT 59828, USA
| | - Ivan K. Poon
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Mark D. Hulett
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
- Correspondence: ; Tel.: +61-9479-1266
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Development of a Method for Producing oxLDL: Characterization of Their Effects on HPV-Positive Head and Neck Cancer Cells. Int J Mol Sci 2022; 23:ijms232012552. [PMID: 36293405 PMCID: PMC9604222 DOI: 10.3390/ijms232012552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/29/2022] Open
Abstract
Cardiovascular diseases (CVD) and cancers are the two main causes of death worldwide. The initiation and progression of atherosclerosis is, in large part, caused by oxidized low-density lipoproteins (oxLDL); interestingly, oxLDL may also play a role in cancer cell metabolism and migration. As oxLDL are generally obtained by tedious ultracentrifugation procedures, “home-made” oxLDL were obtained by (i) applying a purification kit to isolate LDL and VLDL from human plasma; (ii) isolating LDL from VLDL by gel permeation chromatography (GPC); and (iii) oxidating LDL through CuSO4 incubation. On three HPV-positive head and neck cancer cells (HNCC) (93VU-147T, UM-SCC47, and UPCI-SCC154), cell migration was assessed using Boyden chambers, the Wnt/ß-catenin pathway was analyzed by Western Blotting, and the expression of two oxLDL receptors, LOX-1 and CD36, in response to oxLDL exposure, was analysed by immunofluorescence. Our data indicate: (a) a non-significant difference between reference and “home-made” oxLDL; (b) a decreased migration, parallel to an inhibition of the ß-catenin pathway; and (c) an increase of CD36 and LOX-1 expression in all HNCC. In conclusion, we successfully produced oxLDL. Our results demonstrate a decrease in HNCC migration after oxLDL exposure, and an increased expression of LOX-1 and CD36 associated with lipid uptake.
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Mubarak SA, Otaibi AA, Qarni AA, Bakillah A, Iqbal J. Reduction in Insulin Mediated ERK Phosphorylation by Palmitate in Liver Cells Is Independent of Fatty Acid Induced ER Stress. Nutrients 2022; 14:nu14173641. [PMID: 36079898 PMCID: PMC9460427 DOI: 10.3390/nu14173641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/12/2022] [Accepted: 07/12/2022] [Indexed: 12/04/2022] Open
Abstract
Saturated free fatty acids (FFAs) such as palmitate in the circulation are known to cause endoplasmic reticulum (ER) stress and insulin resistance in peripheral tissues. In addition to protein kinase B (AKT) signaling, extracellular signal-regulated kinase (ERK) has been implicated in the development of insulin resistance. However, there are conflicting data regarding role of ERK signaling in ER stress-induced insulin resistance. In this study, we investigated the effects of ER stress on insulin resistance and ERK phosphorylation in Huh-7 cells and evaluated how oleate prevents palmitate-mediated ER stress. Treatment with insulin resulted in an increase of 38–45% in the uptake of glucose in control cells compared to non-insulin-treated control cells, along with an increase in the phosphorylation of AKT and ERK. We found that treatment with palmitate increased the expression of ER stress genes, including the splicing of X box binding protein 1 (XBP1) mRNA. At the same time, we observed a decrease in insulin-mediated uptake of glucose and ERK phosphorylation in Huh-7 cells, without any change in AKT phosphorylation. Supplementation of oleate along with palmitate mitigated the palmitate-induced ER stress but did not affect insulin-mediated glucose uptake or ERK phosphorylation. The findings of this study suggest that palmitate reduces insulin-mediated ERK phosphorylation in liver cells and this effect is independent of fatty-acid-induced ER stress.
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Varghese DS, Alawathugoda TT, Sheikh MA, Challagandla AK, Emerald BS, Ansari SA. Developmental modeling of hepatogenesis using obese iPSCs-hepatocyte differentiation uncovers pathological features. Cell Death Dis 2022; 13:670. [PMID: 35915082 PMCID: PMC9343434 DOI: 10.1038/s41419-022-05125-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 01/21/2023]
Abstract
Obesity is a multigene disorder. However, in addition to genetic factors, environmental determinants also participate in developing obesity and related pathologies. Thus, obesity could be best described as a combination of genetic and environmental perturbations often having its origin during the early developmental period. Environmental factors such as energy-dense food and sedentary lifestyle are known to be associated with obesogenicity. However, the combinatorial effects of gene-environment interactions are not well understood. Understanding the role of multiple genetic variations leading to subtle gene expression changes is not practically possible in monogenic or high-fat-fed animal models of obesity. In contrast, human induced pluripotent stem cells (hiPSCs) from individuals with familial obesity or an obesogenic genotype could serve as a good model system. Herein, we have used hiPSCs generated from normal and genetically obese subjects and differentiated them into hepatocytes in cell culture. We show that hepatocytes from obese iPSCs store more lipids and show increased cell death than normal iPSCs. Whole transcriptome analyses in both normal and obese iPSCs treated with palmitate compared to control revealed LXR-RXR and hepatic fibrosis pathways were enriched among other pathways in obese iPSCs compared to normal iPSCs. Among other genes, increased CD36 and CAV1 expression and decreased expression of CES1 in obese iPSCs could have been responsible for excess lipid accumulation, resulting in differential expression of genes associated with hepatic fibrosis, a key feature of non-alcoholic fatty liver disease (NAFLD). Our results demonstrate that iPSCs derived from genetically obese subjects could serve as an excellent model to understand the effects of this multigene disorder on organ development and may uncover pathologies of NAFLD, which is highly associated with obesity.
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Affiliation(s)
- Divya Saro Varghese
- grid.43519.3a0000 0001 2193 6666Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Thilina T. Alawathugoda
- grid.43519.3a0000 0001 2193 6666Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Muhammad Abid Sheikh
- grid.43519.3a0000 0001 2193 6666Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Anil Kumar Challagandla
- grid.43519.3a0000 0001 2193 6666Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Bright Starling Emerald
- grid.43519.3a0000 0001 2193 6666Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates ,grid.43519.3a0000 0001 2193 6666Zayed Center for Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi UAE
| | - Suraiya A. Ansari
- grid.43519.3a0000 0001 2193 6666Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates ,grid.43519.3a0000 0001 2193 6666Zayed Center for Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi UAE
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Wu Z, Xu C, Zheng T, Li Q, Yang S, Shao J, Guan W, Zhang S. A critical role of AMP-activated protein kinase in regulating intestinal nutrient absorption, barrier function, and intestinal diseases. J Cell Physiol 2022; 237:3705-3716. [PMID: 35892164 DOI: 10.1002/jcp.30841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 07/12/2022] [Accepted: 07/15/2022] [Indexed: 02/06/2023]
Abstract
As one of the most important organs in animals, the intestine is responsible for nutrient absorption and acts as a barrier between the body and the environment. Intestinal physiology and function require the participation of energy. 5'-adenosine monophosphate-activated protein kinase (AMPK), a classical and highly expressed energy regulator in intestinal cells, regulates the process of nutrient absorption and barrier function and is also involved in the therapy of intestinal diseases. Studies have yielded findings that AMPK regulates the absorption of glucose, amino acids, and fatty acids in the intestine primarily by regulating transportation systems, as we detailed here. Moreover, AMPK is involved in the regulation of the intestinal mechanical barrier and immune barrier through manipulating the expression of tight junctions, antimicrobial peptides, and secretory immunoglobulins. In addition, AMPK also participates in the regulation of intestinal diseases, which indicates that AMPK is a promising therapeutic target for intestinal diseases and cancer. In this review, we summarized the current understanding regarding how AMPK regulates intestinal nutrient absorption, barrier function, and intestinal diseases.
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Affiliation(s)
- Zhihui Wu
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Chengfei Xu
- School of Clinical Medicine, Chengdu Medical College, Chengdu, China
| | - Tenghui Zheng
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Qihui Li
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Siwang Yang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jiayuan Shao
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Wutai Guan
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China.,College of Animal Science and National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China
| | - Shihai Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China.,College of Animal Science and National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, China
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41
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Chen Y, Zhang J, Cui W, Silverstein RL. CD36, a signaling receptor and fatty acid transporter that regulates immune cell metabolism and fate. J Exp Med 2022; 219:213166. [PMID: 35438721 PMCID: PMC9022290 DOI: 10.1084/jem.20211314] [Citation(s) in RCA: 110] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 12/13/2022] Open
Abstract
CD36 is a type 2 cell surface scavenger receptor widely expressed in many immune and non-immune cells. It functions as both a signaling receptor responding to DAMPs and PAMPs, as well as a long chain free fatty acid transporter. Recent studies have indicated that CD36 can integrate cell signaling and metabolic pathways through its dual functions and thereby influence immune cell differentiation and activation, and ultimately help determine cell fate. Its expression along with its dual functions in both innate and adaptive immune cells contribute to pathogenesis of common diseases, including atherosclerosis and tumor progression, which makes CD36 and its downstream effectors potential therapeutic targets. This review comprehensively examines the dual functions of CD36 in a variety of immune cells, especially macrophages and T cells. We also briefly discuss CD36 function in non-immune cells, such as adipocytes and platelets, which impact the immune system via intercellular communication. Finally, outstanding questions in this field are provided for potential directions of future studies.
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Affiliation(s)
- Yiliang Chen
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI.,Versiti, Blood Research Institute, Milwaukee, WI
| | - Jue Zhang
- Versiti, Blood Research Institute, Milwaukee, WI
| | - Weiguo Cui
- Versiti, Blood Research Institute, Milwaukee, WI.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI
| | - Roy L Silverstein
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI.,Versiti, Blood Research Institute, Milwaukee, WI
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Zeng S, Wu F, Chen M, Li Y, You M, Zhang Y, Yang P, Wei L, Ruan XZ, Zhao L, Chen Y. Inhibition of Fatty Acid Translocase (FAT/CD36) Palmitoylation Enhances Hepatic Fatty Acid β-Oxidation by Increasing Its Localization to Mitochondria and Interaction with Long-Chain Acyl-CoA Synthetase 1. Antioxid Redox Signal 2022; 36:1081-1100. [PMID: 35044230 DOI: 10.1089/ars.2021.0157] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Aims: Impaired fatty acid oxidation (FAO) in mitochondria of hepatocytes causes lipid accumulation and excessive production of reactive oxygen species (ROS) and oxidative damage, leading to nonalcoholic fatty liver disease (NAFLD). Fatty acid translocase (FAT/cluster of differentiation 36 [CD36]), a transmembrane protein that facilitates the uptake of long-chain fatty acids (LCFAs), is recently found to be involved in FAO. The function of FAT/CD36 is associated with its subcellular localization. Palmitoylation, one of the most common lipid modifications, is generally thought to regulate FAT/CD36 subcellular localization. Here, we aimed to investigate the role of palmitoylation in FAT/CD36 localization to mitochondria and its influence on FAO in hepatocytes. Results: We demonstrated that FAT/CD36 exists on the mitochondria of hepatocytes. Palmitoylation of FAT/CD36 was significantly upregulated in NAFLD. Inhibition of FAT/CD36 palmitoylation resulted in an obvious increase in the distribution of FAT/CD36 to mitochondria of hepatocytes. Depalmitoylated FAT/CD36 on the mitochondrial membrane continues functioning by facilitating fatty acid trafficking to mitochondria. Abundant mitochondrial FAT/CD36 interacted with long-chain acyl-CoA synthetase 1 (ACSL1), and thus, more LCFAs were transported to ACSL1. This led to an increase in the generation of long-chain acyl-CoA, contributing to the enhancement of FAO and alleviating NAFLD. Innovation and Conclusion: This work revealed that inhibiting FAT/CD36 palmitoylation alleviates NAFLD by promoting FAT/CD36 localization to the mitochondria of hepatocytes. Mitochondrial FAT/CD36 functions as a molecular bridge between LCFAs and ACSL1 to increase the production of long-chain acyl-CoA, thus promoting FAO, thereby avoiding lipid accumulation and overproduction of ROS in hepatocytes. Antioxid. Redox Signal. 36, 1081-1100.
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Affiliation(s)
- Shu Zeng
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Fan Wu
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mengyue Chen
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yun Li
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mengyue You
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yang Zhang
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ping Yang
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Li Wei
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xiong Z Ruan
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China.,John Moorhead Research Laboratory, Centre for Nephrology, University College London Medical School, Royal Free Campus, University College London, London, United Kingdom
| | - Lei Zhao
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yaxi Chen
- Centre for Lipid Research & Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Menendez JA, Lupu R. Fatty acid synthase: A druggable driver of breast cancer brain metastasis. Expert Opin Ther Targets 2022; 26:427-444. [PMID: 35545806 DOI: 10.1080/14728222.2022.2077189] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Brain metastasis (BrM) is a key contributor to morbidity and mortality in breast cancer patients, especially among high-risk epidermal growth factor receptor 2-positive (HER2+) and triple-negative/basal-like molecular subtypes. Optimal management of BrM is focused on characterizing a "BrM dependency map" to prioritize targetable therapeutic vulnerabilities. AREAS COVERED We review recent studies addressing the targeting of BrM in the lipid-deprived brain environment, which selects for brain-tropic breast cancer cells capable of cell-autonomously generating fatty acids by upregulating de novo lipogenesis via fatty acid synthase (FASN). Disruption of FASN activity impairs breast cancer growth in the brain, but not extracranially, and mapping of the molecular causes of organ-specific patterns of metastasis has uncovered an enrichment of lipid metabolism signatures in brain metastasizing cells. Targeting SREBP1-the master regulator of lipogenic gene transcription-curtails the ability of breast cancer cells to survive in the brain microenvironment. EXPERT OPINION Targeting FASN represents a new therapeutic opportunity for patients with breast cancer and BrM. Delivery of brain-permeable FASN inhibitors and identifying strategies to target metabolic plasticity that might compensate for impaired brain FASN activity are two potential roadblocks that may hinder FASN-centered strategies against BrM.
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Affiliation(s)
- Javier A Menendez
- Metabolism and Cancer Group, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 17007 Girona, Spain.,Girona Biomedical Research Institute (IDIBGI), 17190 Girona, Spain
| | - Ruth Lupu
- Department of Laboratory Medicine and Pathology, Division of Experimental Pathology, Mayo Clinic, Rochester, MN 55905, USA.,Department of Biochemistry and Molecular Biology Laboratory, Mayo Clinic Minnesota, Rochester, MN 55905, USA.,Mayo Clinic Cancer Center, Rochester, MN 55905, USA
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44
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Dai YJ, Liu WB, Abasubong KP, Zhang DD, Li XF, Xiao K, Wang X, Jiang GZ. The Mechanism of Lipopolysaccharide Escaping the Intestinal Barrier in Megalobrama amblycephala Fed a High-Fat Diet. Front Nutr 2022; 9:853409. [PMID: 35464002 PMCID: PMC9023073 DOI: 10.3389/fnut.2022.853409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 03/07/2022] [Indexed: 11/21/2022] Open
Abstract
With the popularity of western food characterized by excessive fat and sugars, obesity has currently been a public health issue. Low-grade chronic inflammation accompanied by obesity increases the risk of multiple epidemics such as diabetes, cancer and cardiovascular diseases. Here, we show that feeding Megalobrama amblycephala with a high-fat diet (HFD) drives obesity-related chronic inflammation and the penetration of lipopolysaccharide (LPS). Interference with antibiotics inhibits the produce of LPS and this alleviates the sustained release of pro-inflammatory factors induced by HFD. LPS penetration is attributed to weakened intestinal mucus barrier after high-fat exposure. Mechanically, the consumption of HFD inhibits the secretion of mucin 2 (MUC2) due to the induction of endoplasmic reticulum stress mediated by the inositol-requiring enzyme 1 (IRE1) /X box-binding protein 1 (XBP1) pathway in goblet cells. Furthermore, excessive lipid exacerbates the leakage of LPS across the intestinal epithelial cell barrier via the transcellular pathway. Mechanically, lipid increases the internalization of LPS in intestinal epithelial cells depending on the activation of fatty acid translocase (FAT/CD36). These results demonstrate that HFD causes the penetration of LPS due to the weakened intestinal mucosal barrier and the assistance of CD36.
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Low-Concentrations of Fatty Acids Induce an Early Increase in IL-8 Levels in Normal Human Astrocytes. Metabolites 2022; 12:metabo12040329. [PMID: 35448516 PMCID: PMC9031664 DOI: 10.3390/metabo12040329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/29/2022] [Accepted: 04/03/2022] [Indexed: 11/17/2022] Open
Abstract
Fatty acids (FAs) have been shown to exhibit a pro-inflammatory response in various cell types, but astrocytes have been mostly overlooked. FAs, both saturated and unsaturated, have previously been shown to induce pro-inflammatory responses in astrocytes at high concentrations of hundreds of µg/mL. SSO (Sulfo-N-succinimidyl Oleate sodium), an inhibitor of FA translocase CD36, has been shown to prevent inflammation in the mouse brain by acting on local microglia and infiltrating monocytes. Our hypothesis was that SSO treatment would also impact astrocyte pro-inflammatory response to FA. In order to verify our assumption, we evaluated the expression of pro- and anti-inflammatory cytokines in normal human astrocyte cell culture pre-treated (or not) with SSO, and then exposed to low concentrations of both saturated (palmitic acid) and unsaturated (oleic acid) FAs. As a positive control for astrocyte inflammation, we used fibrillary amyloid. Neither Aβ 1–42 nor FAs induced CD36 protein expression in human astrocytes in cell culture At low concentrations, both types of FAs induced IL-8 protein secretion, and this effect was specifically inhibited by SSO pre-treatment. In conclusion, low concentrations of oleic acid are able to induce an early increase in IL-8 expression in normal human astrocytes, which is specifically downregulated by SSO.
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Abstract
PURPOSE OF REVIEW Transmembrane glycoprotein cluster of differentiation 36 (CD36) is a scavenger receptor class B protein (SR-B2) that serves various functions in lipid metabolism and signaling, in particular facilitating the cellular uptake of long-chain fatty acids. Recent studies have disclosed CD36 to play a prominent regulatory role in cellular fatty acid metabolism in both health and disease. RECENT FINDINGS The rate of cellular fatty acid uptake is short-term (i.e., minutes) regulated by the subcellular recycling of CD36 between endosomes and the plasma membrane. This recycling is governed by the activity of vacuolar-type H+-ATPase (v-ATPase) in the endosomal membrane via assembly and disassembly of two subcomplexes. The latter process is being influenced by metabolic substrates including fatty acids, glucose and specific amino acids, together resulting in a dynamic interplay to modify cellular substrate preference and uptake rates. Moreover, in cases of metabolic disease v-ATPase activity was found to be affected while interventions aimed at normalizing v-ATPase functioning had therapeutic potential. SUMMARY The emerging central role of CD36 in cellular lipid homeostasis and recently obtained molecular insight in the interplay among metabolic substrates indicate the applicability of CD36 as target for metabolic modulation therapy in disease. Experimental studies already have shown the feasibility of this approach.
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Affiliation(s)
- Jan F.C. Glatz
- Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University
- Department of Clinical Genetics, Maastricht University Medical Center+
| | - Miranda Nabben
- Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University
- Department of Clinical Genetics, Maastricht University Medical Center+
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands
| | - Joost J.F.P. Luiken
- Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University
- Department of Clinical Genetics, Maastricht University Medical Center+
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Wade G, McGahee A, Ntambi JM, Simcox J. Lipid Transport in Brown Adipocyte Thermogenesis. Front Physiol 2021; 12:787535. [PMID: 35002769 PMCID: PMC8733649 DOI: 10.3389/fphys.2021.787535] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/02/2021] [Indexed: 12/30/2022] Open
Abstract
Non-shivering thermogenesis is an energy demanding process that primarily occurs in brown and beige adipose tissue. Beyond regulating body temperature, these thermogenic adipocytes regulate systemic glucose and lipid homeostasis. Historically, research on thermogenic adipocytes has focused on glycolytic metabolism due to the discovery of active brown adipose tissue in adult humans through glucose uptake imaging. The importance of lipids in non-shivering thermogenesis has more recently been appreciated. Uptake of circulating lipids into thermogenic adipocytes is necessary for body temperature regulation and whole-body lipid homeostasis. A wide array of circulating lipids contribute to thermogenic potential including free fatty acids, triglycerides, and acylcarnitines. This review will summarize the mechanisms and regulation of lipid uptake into brown adipose tissue including protein-mediated uptake, lipoprotein lipase activity, endocytosis, vesicle packaging, and lipid chaperones. We will also address existing gaps in knowledge for cold induced lipid uptake into thermogenic adipose tissue.
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Affiliation(s)
| | | | | | - Judith Simcox
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, United States
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The computational analyses, molecular dynamics of fatty-acid transport mechanism to the CD36 receptor. Sci Rep 2021; 11:23207. [PMID: 34853341 PMCID: PMC8636502 DOI: 10.1038/s41598-021-01373-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/21/2021] [Indexed: 01/08/2023] Open
Abstract
The transmembrane glycoprotein CD36, which is responsible of the metabolic disorders, and the elevated intake of fat induces lipid buildup, is a multifunctional scavenger receptor signaling those functions in high-affinity tissue uptake of long-chain fatty acids. In this study, we used series of molecular dynamics simulations of the wild type and mutants types K164A CD36 protein interacting with one palmitic acid (PLM) besides simulations of the wild type interacting with the three PLM to find out the mechanism of the functioning of the complex CD36/Fatty acids and the unraveling of the role of the mutation. Additionally we determined whether Lys164, mostly exposed to protein surface, played important roles in fatty acid uptake. These simulations revealed, the conformational changes induced by Lys164 residue and the altered interactions induced by the mutagenesis of surface lysine that was badly influencing the folding, utility, solubility, and stability form of the variant. Furthermore, Lys164 residue provided the structural basis of forming an opening at the region of principal portal for the dissociation of palmitic acid. The results of our simulations revealed hole two fatty acids found in CD36 cavity structure and it was the most preferred to CD36 structure stabilization.
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Shen C, Chen JH, Oh HR, Park JH. Transcription factor SOX2 contributes to nonalcoholic fatty liver disease development by regulating the expression of the fatty acid transporter CD36. FEBS Lett 2021; 595:2493-2503. [PMID: 34536973 DOI: 10.1002/1873-3468.14193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 08/09/2021] [Accepted: 09/08/2021] [Indexed: 01/06/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) can lead to hepatocellular carcinoma (HCC). The level of the transcription factor SOX2 correlates with HCC progression, but its role in fat accumulation remains unclear. Here, a high-fat diet, with and without fructose, significantly upregulated SOX2 in murine liver tissue. Treatment with free fatty acids (FFAs) and fructose upregulated SOX2 in murine FL83B hepatocytes. SOX2 overexpression or knockdown regulated triglyceride synthesis and lipid accumulation after FFA stimulation. CD36, a fatty acid transporter, and Yes-associated protein (YAP), a downstream molecule of the Hippo signaling pathway, were upregulated by FFA/fructose in vivo and in vitro. Transcriptional regulation of CD36 by SOX2 suggested the involvement of CD36 in SOX2-mediated hepatic steatosis. Thus, SOX2 may be a target to prevent NAFLD development.
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Affiliation(s)
- Chen Shen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Jin Hong Chen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Ha Ram Oh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Ji Hyun Park
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
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Yang L, Sun J, Li M, Long Y, Zhang D, Guo H, Huang R, Yan J. Oxidized low-density lipoprotein links hypercholesterolemia and bladder cancer aggressiveness by promoting cancer stemness. Cancer Res 2021; 81:5720-5732. [PMID: 34479964 DOI: 10.1158/0008-5472.can-21-0646] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 07/20/2021] [Accepted: 09/02/2021] [Indexed: 01/17/2023]
Abstract
Hypercholesterolemia is a prevalent metabolic disorder that has been implicated in the development of steroid-targeted cancers. However, the link between hypercholesterolemia and urinary bladder cancer (UBC), a non-steroid-targeted cancer, remains unresolved. Here we show that diet- and Ldlr deficiency-induced hypercholesterolemia enhances both UBC stemness and progression. Inhibition of intestinal cholesterol absorption by Ezetimibe reversed diet-induced hypercholesterolemia and cancer stemness. As a key component in hypercholesterolemic sera, oxidized low-density lipoprotein (ox-LDL), but not native low-density lipoprotein-cholesterol or metabolite 27-hydroxycholesterol, increased cancer stemness through its receptor CD36. Depletion of CD36, ectopic expression of an ox-LDL binding-disabled mutant form of CD36(K164A), and the neutralization of ox-LDL and CD36 via neutralizing antibodies all reversed ox-LDL-induced cancer stemness. Mechanistically, ox-LDL enhanced the interaction of CD36 and JAK2, inducing phosphorylation of JAK2 and subsequently activating STAT3 signaling, which was not mediated by JAK1 or Src in UBC cells. Finally, ox-LDL levels in serum predicted poor prognosis, and the ox-LDLhigh signature predicted worse survival in UBC patients. These findings indicate that ox-LDL links hypercholesterolemia with UBC progression by enhancing cancer stemness. Lowering serum ox-LDL or targeting the CD36/JAK2/STAT3 axis might serve as a potential therapeutic strategy for UBCs with hypercholesterolemia. Moreover, elevated ox-LDL may serve as a biomarker for UBC.
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Affiliation(s)
- Lin Yang
- Department of Urology, Drum Tower Hospital, Medical School of Nanjing University, Institute of Urology, Nanjing University
| | - Jingya Sun
- Pharmacology, Shanghai Institute of Materia Medica
| | - Meiqian Li
- MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center of Nanjing University
| | - Yiming Long
- Molecular Imaging Research Center, Shanghai Institute of Materia Medica
| | - Dianzheng Zhang
- Bio-Medical Sciences, Philadelphia College of Osteopathic Medicine
| | - Hongqian Guo
- Department of Urology, Drum Tower Hospital, Medical School of Nanjing University, Institute of Urology, Nanjing University
| | - Ruimin Huang
- Molecular Imaging Research Center, Shanghai Institute of Materia Medica
| | - Jun Yan
- Department of Laboratory Animal Science, Fudan University
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