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Dai XF, Yang YX, Yang BZ. Glycosylation editing: an innovative therapeutic opportunity in precision oncology. Mol Cell Biochem 2024:10.1007/s11010-024-05033-w. [PMID: 38861100 DOI: 10.1007/s11010-024-05033-w] [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: 11/17/2023] [Accepted: 05/06/2024] [Indexed: 06/12/2024]
Abstract
Cancer is still one of the most arduous challenges in the human society, even though humans have found many ways to try to conquer it. With our incremental understandings on the impact of sugar on human health, the clinical relevance of glycosylation has attracted our attention. The fact that altered glycosylation profiles reflect and define different health statuses provide novel opportunities for cancer diagnosis and therapeutics. By reviewing the mechanisms and critical enzymes involved in protein, lipid and glycosylation, as well as current use of glycosylation for cancer diagnosis and therapeutics, we identify the pivotal connection between glycosylation and cellular redox status and, correspondingly, propose the use of redox modulatory tools such as cold atmospheric plasma (CAP) in cancer control via glycosylation editing. This paper interrogates the clinical relevance of glycosylation on cancer and has the promise to provide new ideas for laboratory practice of cold atmospheric plasma (CAP) and precision oncology therapy.
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Affiliation(s)
- Xiao-Feng Dai
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China.
| | - Yi-Xuan Yang
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Bo-Zhi Yang
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine, Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
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2
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La Monica S, Vacondio F, Eltayeb K, Lodola A, Volta F, Viglioli M, Ferlenghi F, Galvani F, Galetti M, Bonelli M, Fumarola C, Cavazzoni A, Flammini L, Verzè M, Minari R, Petronini PG, Tiseo M, Mor M, Alfieri R. Targeting glucosylceramide synthase induces antiproliferative and proapoptotic effects in osimertinib-resistant NSCLC cell models. Sci Rep 2024; 14:6491. [PMID: 38499619 PMCID: PMC10948837 DOI: 10.1038/s41598-024-57028-8] [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: 10/05/2023] [Accepted: 03/12/2024] [Indexed: 03/20/2024] Open
Abstract
The EGFR tyrosine kinase inhibitor osimertinib has been approved for the first-line treatment of EGFR-mutated Non-Small Cell Lung Cancer (NSCLC) patients. Despite its efficacy, patients develop resistance. Mechanisms of resistance are heterogeneous and not fully understood, and their characterization is essential to find new strategies to overcome resistance. Ceramides are well-known regulators of apoptosis and are converted into glucosylceramides (GlcCer) by glucosylceramide synthase (GCS). A higher content of GlcCers was observed in lung pleural effusions from NSCLC patients and their role in osimertinib-resistance has not been documented. The aim of this study was to determine the therapeutic potential of inhibiting GCS in NSCLC EGFR-mutant models resistant to osimertinib in vitro and in vivo. Lipidomic analysis showed a significant increase in the intracellular levels of glycosylceramides, including GlcCers in osimertinib resistant clones compared to sensitive cells. In resistant cells, the GCS inhibitor PDMP caused cell cycle arrest, inhibition of 2D and 3D cell proliferation, colony formation and migration capability, and apoptosis induction. The intratumoral injection of PDMP completely suppressed the growth of OR xenograft models. This study demonstrated that dysregulation of ceramide metabolism is involved in osimertinib-resistance and targeting GCS may be a promising therapeutic strategy for patients progressed to osimertinib.
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Affiliation(s)
- Silvia La Monica
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Federica Vacondio
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Kamal Eltayeb
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Alessio Lodola
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Francesco Volta
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Martina Viglioli
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | | | - Francesca Galvani
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Maricla Galetti
- Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, INAIL-Italian Workers' Compensation Authority, 00078, Monte Porzio Catone, Rome, Italy
| | - Mara Bonelli
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Claudia Fumarola
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Andrea Cavazzoni
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
| | - Lisa Flammini
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Michela Verzè
- Medical Oncology Unit, University Hospital of Parma, 43126, Parma, Italy
| | - Roberta Minari
- Medical Oncology Unit, University Hospital of Parma, 43126, Parma, Italy
| | | | - Marcello Tiseo
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy.
- Medical Oncology Unit, University Hospital of Parma, 43126, Parma, Italy.
| | - Marco Mor
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Roberta Alfieri
- Department of Medicine and Surgery, University of Parma, 43126, Parma, Italy
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3
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Jin X, Yang GY. Pathophysiological roles and applications of glycosphingolipids in the diagnosis and treatment of cancer diseases. Prog Lipid Res 2023; 91:101241. [PMID: 37524133 DOI: 10.1016/j.plipres.2023.101241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/02/2023]
Abstract
Glycosphingolipids (GSLs) are major amphiphilic glycolipids present on the surface of living cell membranes. They have important biological functions, including maintaining plasma membrane stability, regulating signal transduction, and mediating cell recognition and adhesion. Specific GSLs and related enzymes are abnormally expressed in many cancer diseases and affect the malignant characteristics of tumors. The regulatory roles of GSLs in signaling pathways suggest that they are involved in tumor pathogenesis. GSLs have therefore been widely studied as diagnostic markers of cancer diseases and important targets of immunotherapy. This review describes the tumor-related biological functions of GSLs and systematically introduces recent progress in using diverse GSLs and related enzymes to diagnose and treat tumor diseases. Development of drugs and biomarkers for personalized cancer therapy based on GSL structure is also discussed. These advances, combined with recent progress in the preparation of GSLs derivatives through synthetic biology technologies, suggest a strong future for the use of customized GSL libraries in treating human diseases.
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Affiliation(s)
- Xuefeng Jin
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China; Department of Clinical Pharmaceutics, Guangxi Academy of Medical Sciences and the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Guang-Yu Yang
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
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4
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Lipids as Targets for Renal Cell Carcinoma Therapy. Int J Mol Sci 2023; 24:ijms24043272. [PMID: 36834678 PMCID: PMC9963825 DOI: 10.3390/ijms24043272] [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: 12/29/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023] Open
Abstract
Kidney cancer is among the top ten most common cancers to date. Within the kidney, renal cell carcinoma (RCC) is the most common solid lesion occurring. While various risk factors are suspected, including unhealthy lifestyle, age, and ethnicity, genetic mutations seem to be a key risk factor. In particular, mutations in the von Hippel-Lindau gene (Vhl) have attracted a lot of interest since this gene regulates the hypoxia inducible transcription factors HIF-1α and HIF-2α, which in turn drive the transcription of many genes that are important for renal cancer growth and progression, including genes involved in lipid metabolism and signaling. Recent data suggest that HIF-1/2 are themselves regulated by bioactive lipids which make the connection between lipids and renal cancer obvious. This review will summarize the effects and contributions of the different classes of bioactive lipids, including sphingolipids, glycosphingolipids, eicosanoids, free fatty acids, cannabinoids, and cholesterol to renal carcinoma progression. Novel pharmacological strategies interfering with lipid signaling to treat renal cancer will be highlighted.
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5
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Targeting the Sphingolipid Rheostat in Gliomas. Int J Mol Sci 2022; 23:ijms23169255. [PMID: 36012521 PMCID: PMC9408832 DOI: 10.3390/ijms23169255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/26/2022] Open
Abstract
Gliomas are highly aggressive cancer types that are in urgent need of novel drugs and targeted therapies. Treatment protocols have not improved in over a decade, and glioma patient survival remains among the worst of all cancer types. As a result, cancer metabolism research has served as an innovative approach to identifying novel glioma targets and improving our understanding of brain tumors. Recent research has uncovered a unique metabolic vulnerability in the sphingolipid pathways of gliomas that possess the IDH1 mutation. Sphingolipids are a family of lipid signaling molecules that play a variety of second messenger functions in cellular regulation. The two primary metabolites, sphingosine-1-phosphate (S1P) and ceramide, maintain a rheostat balance and play opposing roles in cell survival and proliferation. Altering the rheostat such that the pro-apoptotic signaling of the ceramides outweighs the pro-survival S1P signaling in glioma cells diminishes the hallmarks of cancer and enhances tumor cell death. Throughout this review, we discuss the sphingolipid pathway and identify the enzymes that can be most effectively targeted to alter the sphingolipid rheostat and enhance apoptosis in gliomas. We discuss each pathway’s steps based on their site of occurrence in the organelles and postulate novel targets that can effectively exploit this vulnerability.
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6
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Hartwig P, Höglinger D. The Glucosylceramide Synthase Inhibitor PDMP Causes Lysosomal Lipid Accumulation and mTOR Inactivation. Int J Mol Sci 2021; 22:ijms22137065. [PMID: 34209164 PMCID: PMC8268262 DOI: 10.3390/ijms22137065] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 12/24/2022] Open
Abstract
For many years, the biology of glycosphingolipids was elucidated with the help of glucosylceramide synthase (GCS) inhibitors such as 1-phenyl-2-decanoylamino-3-morpholino-1-propanol (PDMP). Additionally, PDMP gained interest because of its chemosensitizing effects. Several studies have successfully combined PDMP and anti-cancer drugs in the context of cancer therapy. However, the mechanism of action of PDMP is not fully understood and seems to go beyond glycolipid inhibition. Here, we used a functionalized sphingosine analogue (pacSph) to investigate the acute effects of PDMP on cellular sphingolipid distribution and found that PDMP, but not other GCS inhibitors, such as ND-DNJ (also called Miglustat), induced sphingolipid accumulation in lysosomes. This effect could be connected to defective export from lysosome, as monitored by the prolonged lysosomal staining of sphingolipids as well as by a delay in the metabolic conversion of the pacSph precursor. Additionally, other lipids such as lysobisphosphatidic acid (LBPA) and cholesterol were enriched in lysosomes upon PDMP treatment in a time-dependent manner. We could further correlate early LBPA enrichment with dissociation of the mechanistic target of rapamycin (mTOR) from lysosomes followed by nuclear translocation of its downtream target, transcription factor EB (TFEB). Altogether, we report here a timeline of lysosomal lipid accumulation events and mTOR inactivation arising from PDMP treatment.
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7
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Li Z, Zhang L, Liu D, Wang C. Ceramide glycosylation and related enzymes in cancer signaling and therapy. Biomed Pharmacother 2021; 139:111565. [PMID: 33887691 DOI: 10.1016/j.biopha.2021.111565] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/19/2021] [Accepted: 03/31/2021] [Indexed: 02/09/2023] Open
Abstract
Ceramides, the core of the sphingolipid metabolism, draw wide attention as tumor suppressor, and act directly on mitochondria to trigger apoptotic cell death. Ceramide-based therapies are being developed by using promote ceramide generating agents. The ceramide metabolism balance is regulated by multifaceted factors in cancer development. Ceramide metabolic enzymes can increase the elimination of ceramide and counteract the anti-tumor effects of ceramide. However, recent research showed that these metabolic enzymes were highly expressed in several cancers. Especially ceramide glycosyltransferases, they catalyze ceramide glycosylation and synthesis the skeleton of glycosphingolipids (GSLs), play an important role in regulating tumor progression and have a significant correlation with the poor prognosis of cancer patients. To further understand the biological characteristics of ceramide metabolism in tumor, this review focuses on the role of ceramide glycosylation and related enzymes in cancer signaling and therapy. Besides, the research on multidrug resistance and potential inhibitors of ceramide glycosyltransferases are also discussed. Advance study on the structure of ceramide glycosyltransferases and ceramide glycosylation signaling pathway will open the path to new therapies and treatments.
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Affiliation(s)
- Zibo Li
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Lin Zhang
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Dan Liu
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Caiyan Wang
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China.
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8
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Su T, Qin XY, Dohmae N, Wei F, Furutani Y, Kojima S, Yu W. Inhibition of Ganglioside Synthesis Suppressed Liver Cancer Cell Proliferation through Targeting Kinetochore Metaphase Signaling. Metabolites 2021; 11:metabo11030167. [PMID: 33803928 PMCID: PMC7998610 DOI: 10.3390/metabo11030167] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/27/2021] [Accepted: 03/11/2021] [Indexed: 01/01/2023] Open
Abstract
The incidence and mortality of liver cancer, mostly hepatocellular carcinoma (HCC), have increased during the last two decades, partly due to persistent inflammation in the lipid-rich microenvironment associated with lifestyle diseases, such as obesity. Gangliosides are sialic acid-containing glycosphingolipids known to be important in the organization of the membrane and membrane protein-mediated signal transduction. Ganglioside synthesis is increased in several types of cancers and has been proposed as a promising target for cancer therapy. Here, we provide evidence that ganglioside synthesis was increased in the livers of an animal model recapitulating the features of activation and expansion of liver progenitor-like cells and liver cancer (stem) cells. Chemical inhibition of ganglioside synthesis functionally suppressed proliferation and sphere growth of liver cancer cells, but had no impact on apoptotic and necrotic cell death. Proteome-based mechanistic analysis revealed that inhibition of ganglioside synthesis downregulated the expression of AURKA, AURKB, TTK, and NDC80 involved in the regulation of kinetochore metaphase signaling, which is essential for chromosome segregation and mitotic progression and probably under the control of activation of TP53-dependent cell cycle arrest. These data suggest that targeting ganglioside synthesis holds promise for the development of novel preventive/therapeutic strategies for HCC treatment.
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Affiliation(s)
- Ting Su
- Department of Intensive Care Unit, The Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China;
- Liver Cancer Prevention Research Unit, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan; (Y.F.); (S.K.)
| | - Xian-Yang Qin
- Liver Cancer Prevention Research Unit, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan; (Y.F.); (S.K.)
- Correspondence: (X.-Y.Q.); (W.Y.); Tel.: +81-(48)-467-7938 (X.-Y.Q.); +86-(25)-6818-2222 (W.Y.)
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan;
| | - Feifei Wei
- Metabolomics Research Group, RIKEN Center for Sustainable Resource Science, Kanagawa, Yokohama 230-0045, Japan;
| | - Yutaka Furutani
- Liver Cancer Prevention Research Unit, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan; (Y.F.); (S.K.)
| | - Soichi Kojima
- Liver Cancer Prevention Research Unit, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan; (Y.F.); (S.K.)
| | - Wenkui Yu
- Department of Intensive Care Unit, The Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China;
- Correspondence: (X.-Y.Q.); (W.Y.); Tel.: +81-(48)-467-7938 (X.-Y.Q.); +86-(25)-6818-2222 (W.Y.)
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9
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Chatterjee S, Balram A, Li W. Convergence: Lactosylceramide-Centric Signaling Pathways Induce Inflammation, Oxidative Stress, and Other Phenotypic Outcomes. Int J Mol Sci 2021; 22:ijms22041816. [PMID: 33673027 PMCID: PMC7917694 DOI: 10.3390/ijms22041816] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/02/2021] [Accepted: 02/06/2021] [Indexed: 12/19/2022] Open
Abstract
Lactosylceramide (LacCer), also known as CD17/CDw17, is a member of a large family of small molecular weight compounds known as glycosphingolipids. It plays a pivotal role in the biosynthesis of glycosphingolipids, primarily by way of serving as a precursor to the majority of its higher homolog sub-families such as gangliosides, sulfatides, fucosylated-glycosphingolipids and complex neutral glycosphingolipids—some of which confer “second-messenger” and receptor functions. LacCer is an integral component of the “lipid rafts,” serving as a conduit to transduce external stimuli into multiple phenotypes, which may contribute to mortality and morbidity in man and in mouse models of human disease. LacCer is synthesized by the action of LacCer synthase (β-1,4 galactosyltransferase), which transfers galactose from uridine diphosphate galactose (UDP-galactose) to glucosylceramide (GlcCer). The convergence of multiple physiologically relevant external stimuli/agonists—platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), stress, cigarette smoke/nicotine, tumor necrosis factor-α (TNF-α), and in particular, oxidized low-density lipoprotein (ox-LDL)—on β-1,4 galactosyltransferase results in its phosphorylation or activation, via a “turn-key” reaction, generating LacCer. This newly synthesized LacCer activates NADPH (nicotinamide adenine dihydrogen phosphate) oxidase to generate reactive oxygen species (ROS) and a highly “oxidative stress” environment, which trigger a cascade of signaling molecules and pathways and initiate diverse phenotypes like inflammation and atherosclerosis. For instance, LacCer activates an enzyme, cytosolic phospholipase A2 (cPLA2), which cleaves arachidonic acid from phosphatidylcholine. In turn, arachidonic acid serves as a precursor to eicosanoids and prostaglandin, which transduce a cascade of reactions leading to inflammation—a major phenotype underscoring the initiation and progression of several debilitating diseases such as atherosclerosis and cancer. Our aim here is to present an updated account of studies made in the field of LacCer metabolism and signaling using multiple animal models of human disease, human tissue, and cell-based studies. These advancements have led us to propose that previously unrelated phenotypes converge in a LacCer-centric manner. This LacCer synthase/LacCer-induced “oxidative stress” environment contributes to inflammation, atherosclerosis, skin conditions, hair greying, cardiovascular disease, and diabetes due to mitochondrial dysfunction. Thus, targeting LacCer synthase may well be the answer to remedy these pathologies.
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10
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Yokota R, Bhunu B, Toba H, Intapad S. Sphingolipids and Kidney Disease: Possible Role of Preeclampsia and Intrauterine Growth Restriction (IUGR). KIDNEY360 2021; 2:534-541. [PMID: 35369015 PMCID: PMC8786006 DOI: 10.34067/kid.0006322020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 01/06/2021] [Indexed: 02/04/2023]
Abstract
Sphingolipids are now considered not only as constitutional components of the cellular membrane but also as essential bioactive factors regulating development and physiologic functions. Ceramide is a vital intermediate of sphingolipid metabolism, synthesized by de novo and salvage pathways, producing multiple types of sphingolipids and their metabolites. Although mutations in gene-encoding enzymes regulating sphingolipid synthesis and metabolism cause distinct diseases, an abnormal sphingolipid metabolism contributes to various pathologic conditions, including kidney diseases. Excessive accumulation of glycosphingolipids and promotion of the ceramide salvage and sphingosine-1-phosphate (S1P) pathways are found in the damaged kidney. Acceleration of the sphingosine kinase/S1P/S1P receptor (SphK/S1P/S1PR) axis plays a central role in deteriorating kidney functions. The SphK/S1P/S1PR signaling impairment is also found during pregnancy complications, such as preeclampsia and intrauterine growth restriction (IUGR). This mini-review discusses the current state of knowledge regarding the role of sphingolipid metabolism on kidney diseases, and the possible involvement of preeclampsia and IUGR conditions.
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Affiliation(s)
- Rodrigo Yokota
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Benjamin Bhunu
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Hiroe Toba
- Division of Pathological Sciences, Department of Clinical Pharmacology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Suttira Intapad
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, Louisiana
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11
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Haider T, Pandey V, Banjare N, Gupta PN, Soni V. Drug resistance in cancer: mechanisms and tackling strategies. Pharmacol Rep 2020; 72:1125-1151. [PMID: 32700248 DOI: 10.1007/s43440-020-00138-7] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 06/24/2020] [Accepted: 07/14/2020] [Indexed: 12/11/2022]
Abstract
Drug resistance developed towards conventional therapy is one of the important reasons for chemotherapy failure in cancer. The various underlying mechanism for drug resistance development in tumor includes tumor heterogeneity, some cellular levels changes, genetic factors, and others novel mechanisms which have been highlighted in the past few years. In the present scenario, researchers have to focus on these novel mechanisms and their tackling strategies. The small molecules, peptides, and nanotherapeutics have emerged to overcome the drug resistance in cancer. The drug delivery systems with targeting moiety enhance the site-specificity, receptor-mediated endocytosis, and increase the drug concentration inside the cells, thus minimizing drug resistance and improve their therapeutic efficacy. These therapeutic approaches work by modulating the different pathways responsible for drug resistance. This review focuses on the different mechanisms of drug resistance and the recent advancements in therapeutic approaches to improve the sensitivity and effectiveness of chemotherapeutics.
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Affiliation(s)
- Tanweer Haider
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India
| | - Vikas Pandey
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India
| | - Nagma Banjare
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India.,Formulation and Drug Delivery Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, J&K, India
| | - Prem N Gupta
- Formulation and Drug Delivery Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, J&K, India.
| | - Vandana Soni
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India.
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12
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Chatterjee S, Zheng L, Ma S, Bedja D, Bandaru VVR, Kim G, Rangecroft AB, Iocco D, Campbell SA. Management of metabolic syndrome and reduction in body weight in type II diabetic mice by inhibiting glycosphingolipid synthesis. Biochem Biophys Res Commun 2020; 525:455-461. [PMID: 32107002 DOI: 10.1016/j.bbrc.2020.02.104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 02/15/2020] [Indexed: 12/26/2022]
Abstract
Metabolic syndrome is defined by hyperlipidemia and cardiovascular complications. We have examined whether inhibition of glycosphingolipid synthesis can interfere with metabolic syndrome in a male mouse model of type II diabetes (db/db). The db/db and control mice (C57/BL6) (n = 6) fed chow for 30 weeks received vehicle (5% Tween-80 in PBS; 100 μl), or a biopolymer-encapsulated D-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (BPD) glycosphingolipid synthesis inhibitor daily via oral gavage for 6 weeks. Echocardiography revealed increased Ao-IMT in db/db mice compared to control. However, BPD decreased Ao-IMT, monohexosylceramide and dihexosylceramide, LDL, triglycerides, glucose, and raised HDL levels in db/db mice. This was due to increased gene expression of HMG-CoA reductase, LDLr, SREBP2, and bile acids: Cy7-a hydroxylase, LXR and FXR, lipoprotein lipase, VLDL receptor and PPAR. Treatment also increased the expression of superoxide dismutase-II to reduce the pro-oxidant status in these mice. We observed that decreased cholesterol levels correlated with decreased cholesterol sensing proteins e.g. NPC1 gene/protein expression and mammalian target of rapamycin (mTORC-1) and reduced body weight. Thus, glycosphingolipid synthesis inhibition is a novel approach to manage metabolic syndrome and reduce body weight in diabetic mice and with potential applications in humans.
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Affiliation(s)
- Subroto Chatterjee
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA.
| | - Lucy Zheng
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Sijia Ma
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Djahida Bedja
- Department of Defense, 8228 Scully Road, Aberdeen Proving Ground, MD, 21010, USA
| | - Veera Venkata Ratnam Bandaru
- Department of Defense, 8228 Scully Road, Aberdeen Proving Ground, MD, 21010, USA; Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Grace Kim
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Alexa B Rangecroft
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Domenica Iocco
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
| | - Sean A Campbell
- Department of Pediatrics, Cardiology Division, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, USA
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Chatterjee SB, Hou J, Bandaru VVR, Pezhouh MK, Syed Rifat Mannan AA, Sharma R. Lactosylceramide synthase β-1,4-GalT-V: A novel target for the diagnosis and therapy of human colorectal cancer. Biochem Biophys Res Commun 2019; 508:380-386. [DOI: 10.1016/j.bbrc.2018.11.149] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/16/2018] [Accepted: 11/21/2018] [Indexed: 02/07/2023]
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14
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Inhibition of glycosphingolipid synthesis reverses skin inflammation and hair loss in ApoE-/- mice fed western diet. Sci Rep 2018; 8:11463. [PMID: 30061606 PMCID: PMC6065400 DOI: 10.1038/s41598-018-28663-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 06/18/2018] [Indexed: 01/19/2023] Open
Abstract
Sphingolipids have been accorded numerous biological functions however, the effects of feeding a western diet (diet rich in cholesterol and fat) on skin phenotypes, and color is not known. Here, we observed that chronic high-fat and high-cholesterol diet intake in a mouse model of atherosclerosis (ApoE-/-) decreases the level of ceramides and glucosylceramide. At the expense of increased levels of lactosylceramide due to an increase in the expression of lactosylceramide synthase (GalT-V). This is accompanied with neutrophil infiltration into dermis, and enrichment of tumor necrosis factor-stimulated gene-6 (TSG-6) protein. This causes skin inflammation, hair discoloration and loss, in ApoE-/- mice. Conversely, inhibition of glycosphingolipid synthesis, by D-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (D-PDMP), unbound or encapsulated in a biodegradable polymer (BPD) reversed these phenotypes. Thus, inhibition of glycosphingolipid synthesis represents a unique therapeutic approach relevant to human skin and hair Biology.
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15
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Legros N, Pohlentz G, Runde J, Dusny S, Humpf HU, Karch H, Müthing J. Colocalization of receptors for Shiga toxins with lipid rafts in primary human renal glomerular endothelial cells and influence of D-PDMP on synthesis and distribution of glycosphingolipid receptors. Glycobiology 2018; 27:947-965. [PMID: 28535204 DOI: 10.1093/glycob/cwx048] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 05/17/2017] [Indexed: 12/12/2022] Open
Abstract
Damage of human renal glomerular endothelial cells (HRGECs) of the kidney represents the linchpin in the pathogenesis of the hemolytic uremic syndrome caused by Shiga toxins of enterohemorrhagic Escherichia coli (EHEC). We performed a comprehensive structural analysis of the Stx-receptor glycosphingolipids (GSLs) globotriaosylceramide (Gb3Cer, Galα4Galβ4Glcβ1Cer) and globotetraosylceramide (Gb4Cer, GalNAcβ3Galα4Galβ4Glcβ1Cer) and their distribution in lipid raft analog detergent-resistant membranes (DRMs) and nonDRMs prepared from primary HRGECs. Predominant receptor lipoforms were Gb3Cer and Gb4Cer with Cer (d18:1, C16:0), Cer (d18:1, C22:0) and Cer (d18:1, C24:1/C24:0). Stx-receptor GSLs co-distribute with sphingomyelin (SM) and cholesterol as well as flotillin-2 in DRMs, representing the liquid-ordered membrane phase and indicating lipid raft association. Lyso-phosphatidylcholine (lyso-PC) was identified as a nonDRM marker phospholipid of the liquid-disordered membrane phase. Exposure of primary HRGECs to the ceramide analogon d-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (D-PDMP) reduced total Gb3Cer and Gb4Cer content, roughly calculated from two biological replicates, down to half and quarter of its primordial content, respectively, but strengthened their prevalence and cholesterol preponderance in DRMs. At the same time, the distribution of PC, SM and lyso-PC to subcellular membrane fractions remained unaffected by D-PDMP treatment. Defining the GSL composition and precise microdomain structures of primary HRGECs may help to develop novel therapeutic options to combat life-threatening EHEC infections.
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Affiliation(s)
- Nadine Legros
- Institute for Hygiene, University of Münster, Robert-Koch-Str. 41, D-48149 Münster, Germany
| | - Gottfried Pohlentz
- Institute for Hygiene, University of Münster, Robert-Koch-Str. 41, D-48149 Münster, Germany
| | - Jana Runde
- Institute for Food Chemistry, University of Münster, D-48149 Münster, Germany
| | - Stefanie Dusny
- Institute for Food Chemistry, University of Münster, D-48149 Münster, Germany
| | - Hans-Ulrich Humpf
- Institute for Food Chemistry, University of Münster, D-48149 Münster, Germany
| | - Helge Karch
- Institute for Hygiene, University of Münster, Robert-Koch-Str. 41, D-48149 Münster, Germany
| | - Johannes Müthing
- Institute for Hygiene, University of Münster, Robert-Koch-Str. 41, D-48149 Münster, Germany
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16
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Zhuo D, Li X, Guan F. Biological Roles of Aberrantly Expressed Glycosphingolipids and Related Enzymes in Human Cancer Development and Progression. Front Physiol 2018; 9:466. [PMID: 29773994 PMCID: PMC5943571 DOI: 10.3389/fphys.2018.00466] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 04/13/2018] [Indexed: 01/05/2023] Open
Abstract
Glycosphingolipids (GSLs), which consist of a hydrophobic ceramide backbone and a hydrophilic carbohydrate residue, are an important type of glycolipid expressed in surface membranes of all animal cells. GSLs play essential roles in maintenance of plasma membrane stability, in regulation of numerous cellular processes (including adhesion, proliferation, apoptosis, and recognition), and in modulation of signal transduction pathways. GSLs have traditionally been classified as ganglio-series, lacto-series, or globo-series on the basis of their diverse types of oligosaccharide chains. Structures and functions of specific GSLs are also determined by their oligosaccharide chains. Different cells and tissues show differential expression of GSLs, and changes in structures of GSL glycan moieties occur during development of numerous types of human cancer. Association of GSLs and/or related enzymes with initiation and progression of cancer has been documented in 100s of studies, and many such GSLs are useful markers or targets for cancer diagnosis or therapy. In this review, we summarize (i) recent studies on aberrant expression and distribution of GSLs in common human cancers (breast, lung, colorectal, melanoma, prostate, ovarian, leukemia, renal, bladder, gastric); (ii) biological functions of specific GSLs in these cancers.
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Affiliation(s)
- Dinghao Zhuo
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Xiang Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of China, College of Life Science, Northwest University, Xi'an, China
| | - Feng Guan
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
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17
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Chung TW, Choi HJ, Park MJ, Choi HJ, Lee SO, Kim KJ, Kim CH, Hong C, Kim KH, Joo M, Ha KT. The function of cancer-shed gangliosides in macrophage phenotype: involvement with angiogenesis. Oncotarget 2018; 8:4436-4448. [PMID: 28032600 PMCID: PMC5354844 DOI: 10.18632/oncotarget.13878] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 12/05/2016] [Indexed: 11/25/2022] Open
Abstract
Tumor-derived gangliosides in the tumor microenvironment are involved in the malignant progression of cancer. However, the molecular mechanisms underlying the effects of gangliosides shed from tumors on macrophage phenotype remain unknown. Here, we showed that ganglioside GM1 highly induced the activity and expression of arginase-1 (Arg-1), a major M2 macrophage marker, compared to various gangliosides in bone marrow-derived macrophages (BMDM), peritoneal macrophages and Raw264.7 macrophage cells. We found that GM1 bound to macrophage mannose receptor (MMR/CD206) and common gamma chain (γc). In addition, GM1 increased Arg-1 expression through CD206 and γc-mediated activation of Janus kinase 3 (JAK3) and signal transducer and activator of transcription- 6 (STAT-6). Interestingly, GM1-stimulated macrophages secreted monocyte chemoattractant protein-1 (MCP-1/CCL2) through a CD206/γc/STAT6-mediated signaling pathway and induced angiogenesis. Moreover, the angiogenic effect of GM1-treated macrophages was diminished by RS102895, an MCP-1 receptor (CCR2) antagonist. From these results we suggest that tumor-shed ganglioside is a secretory factor regulating the phenotype of macrophages and consequently enhancing angiogenesis.
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Affiliation(s)
- Tae-Wook Chung
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea.,School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Hee-Jung Choi
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea.,School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Mi-Ju Park
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Hee-Jin Choi
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea.,School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Syng-Ook Lee
- Department of Food Science and Technology, Keimyung University, Daegu, Republic of Korea
| | - Keuk-Jun Kim
- Department of Clinical Pathology, TaeKyeung University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - Cheorl-Ho Kim
- Department of Biological Science, Sungkyunkwan University, Suwon, Kyunggi-do, Republic of Korea
| | - Changwan Hong
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Kyun-Ha Kim
- School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Myungsoo Joo
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea.,School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
| | - Ki-Tae Ha
- Korean Medical Research Center for Healthy Aging and Yangsan, Gyeongsangnam-do, Republic of Korea.,School of Korean Medicine, Pusan National University, Yangsan, Gyeongsangnam-do, Republic of Korea
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18
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Batova A, Altomare D, Creek KE, Naviaux RK, Wang L, Li K, Green E, Williams R, Naviaux JC, Diccianni M, Yu AL. Englerin A induces an acute inflammatory response and reveals lipid metabolism and ER stress as targetable vulnerabilities in renal cell carcinoma. PLoS One 2017; 12:e0172632. [PMID: 28296891 PMCID: PMC5351975 DOI: 10.1371/journal.pone.0172632] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 02/06/2017] [Indexed: 12/14/2022] Open
Abstract
Renal cell carcinoma (RCC) is among the top ten most common forms of cancer and is the most common malignancy of the kidney. Clear cell renal carcinoma (cc-RCC), the most common type of RCC, is one of the most refractory cancers with an incidence that is on the rise. Screening of plant extracts in search of new anti-cancer agents resulted in the discovery of englerin A, a guaiane sesquiterpene with potent cytotoxicity against renal cancer cells and a small subset of other cancer cells. Though a few cellular targets have been identified for englerin A, it is still not clear what mechanisms account for the cytotoxicity of englerin A in RCC, which occurs at concentrations well below those used to engage the targets previously identified. Unlike any prior study, the current study used a systems biology approach to explore the mechanism(s) of action of englerin A. Metabolomics analyses indicated that englerin A profoundly altered lipid metabolism by 24 h in cc-RCC cell lines and generated significant levels of ceramides that were highly toxic to these cells. Microarray analyses determined that englerin A induced ER stress signaling and an acute inflammatory response, which was confirmed by quantitative PCR and Western Blot analyses. Additionally, fluorescence confocal microscopy revealed that englerin A at 25 nM disrupted the morphology of the ER confirming the deleterious effect of englerin A on the ER. Collectively, our findings suggest that cc-RCC is highly sensitive to disruptions in lipid metabolism and ER stress and that these vulnerabilities can be targeted for the treatment of cc-RCC and possibly other lipid storing cancers. Furthermore, our results suggest that ceramides may be a mediator of some of the actions of englerin A. Lastly, the acute inflammatory response induced by englerin A may mediate anti-tumor immunity.
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Affiliation(s)
- Ayse Batova
- Department of Pediatrics, University of California, San Diego, California, United States of America
- * E-mail:
| | - Diego Altomare
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, United States of America
| | - Kim E. Creek
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, United States of America
| | - Robert K. Naviaux
- Department of Pediatrics, University of California, San Diego, California, United States of America
- The Mitochondrial and Metabolic Disease Center, Department of Pathology, University of California, San Diego, San Diego, California, United States of America
- Department of Medicine, University of California, San Diego, California, United States of America
| | - Lin Wang
- The Mitochondrial and Metabolic Disease Center, Department of Pathology, University of California, San Diego, San Diego, California, United States of America
| | - Kefeng Li
- The Mitochondrial and Metabolic Disease Center, Department of Pathology, University of California, San Diego, San Diego, California, United States of America
| | - Erica Green
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, United States of America
| | - Richard Williams
- Department of Pediatrics, University of California, San Diego, California, United States of America
| | - Jane C. Naviaux
- The Mitochondrial and Metabolic Disease Center, Department of Pathology, University of California, San Diego, San Diego, California, United States of America
| | - Mitchell Diccianni
- Department of Pediatrics, University of California, San Diego, California, United States of America
| | - Alice L. Yu
- Department of Pediatrics, University of California, San Diego, California, United States of America
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
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Abstract
Fabry disease (FD) is an X-linked lysosomal storage disorder caused by loss of function mutations in the GLA gene at Xq22 with subsequent functional deficiency of alpha-galactosidase A, resulting in the accumulation of globotriaosylceramide (GL-3 or Gb3) in multiple cells types throughout the body. As with other rare metabolic disorders, little is known about the incidence of malignancies in these populations and the relationship to the underlying disease, if any. We report the occurrence of meningioma in four female patients with Fabry disease. Two of the cases are from the same family and shared the same GLA mutation. All four patients underwent surgical excision of their tumor. High resolution light microscopy and electron microscopy examination of one case revealed extensive involvement of tumor cells and associated blood vessels by GL-3 accumulation. Because of the small number of Fabry-associated cancer cases reported in the literature, questions about a possible link between lysosomal storage disorders and the development of malignancy remain open.
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20
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Shayman JA. Targeting Glycosphingolipid Metabolism to Treat Kidney Disease. Nephron Clin Pract 2016; 134:37-42. [PMID: 26954668 DOI: 10.1159/000444926] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 02/12/2016] [Indexed: 11/19/2022] Open
Abstract
The enhanced expression of glucosylceramide-based glycosphingolipids (GSLs) is a hallmark of many forms of renal disease including diabetic nephropathy, polycystic kidney disease and renal cell carcinoma. A common feature of each of these renal disorders is the preference metabolism via aerobic glycolysis. While aerobic glycolysis is an inefficient way to generate ATP, aerobic glycolysis promotes the formation of substrates important for the production of biomass, including lipids, amino acids and nucleotides, through the pentose phosphate pathway. Two products that are essential for the synthesis of glucosylceramide and more complex GSLs are generated through the pentose phosphate pathway. These products are reducing equivalents in the form of NADPH and UDP-glucose. In experimental models of each of these disorders, inhibition of glucosylceramide synthase with eliglustat or related analogues reverses the disease phenotype suggesting that blocking GSL synthesis should be explored as a potential treatment strategy.
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Affiliation(s)
- James A Shayman
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Mich., USA
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21
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Improved intervention of atherosclerosis and cardiac hypertrophy through biodegradable polymer-encapsulated delivery of glycosphingolipid inhibitor. Biomaterials 2015; 64:125-135. [PMID: 26111596 DOI: 10.1016/j.biomaterials.2015.06.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 05/28/2015] [Accepted: 06/01/2015] [Indexed: 01/22/2023]
Abstract
D-Threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (D-PDMP), a glycosphingolipid synthesis inhibitor, holds promise for the treatment of atherosclerosis and cardiac hypertrophy but rapid in vivo clearance has severely hindered translation to the clinic. To overcome this impediment, we used a materials-based delivery strategy wherein D-PDMP was encapsulated within a biodegradable polymer composed of poly ethylene glycol (PEG) and sebacic acid (SA). PEG-SA was formulated into nanoparticles that were doped with (125)I-labeled PEG to allow in vivo bio-distribution and release kinetics of D-PDMP to be determined by using γ-scintigraphy and subsequently, by mass spectrometry. Polymer-encapsulation increased the residence time of D-PDMP in the body of a treated mouse from less than one hour to at least four hours (and up to 48 h or longer). This substantially increased in vivo longevity provided by polymer encapsulation resulted in an order of magnitude gain in efficacy for interfering with atherosclerosis and cardiac hypertrophy in apoE-/- mice fed a high fat and high cholesterol (HFHC) diet. These results establish that D-PDMP encapsulated in a biodegradable polymer provides a superior mode of delivery compared to unconjugated D-PDMP by way of increased gastrointestinal absorption and increased residence time thus providing this otherwise rapidly cleared compound with therapeutic relevance in interfering with atherosclerosis, cardiac hypertrophy, and probably other diseases associated with the deleterious effects of abnormally high glycosphingolipid biosynthesis or deficient catabolism.
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22
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Pavlova EV, Archer J, Wang S, Dekker N, Aerts JM, Karlsson S, Cox TM. Inhibition of UDP-glucosylceramide synthase in mice prevents Gaucher disease-associated B-cell malignancy. J Pathol 2015; 235:113-24. [PMID: 25256118 DOI: 10.1002/path.4452] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 09/01/2014] [Accepted: 09/19/2014] [Indexed: 02/02/2023]
Abstract
Clonal B-cell proliferation is a frequent manifestation of Gaucher disease - a sphingolipidosis associated with a high risk of multiple myeloma and non-Hodgkin lymphoma. Gaucher disease is caused by genetic deficiency of acid β-glucosidase, the natural substrates of which (β-d-glucosylceramide and β-d-glucosylsphingosine) accumulate, principally in macrophages. Mice with inducible deficiency of β-glucosidase [Gba(tm1Karl/tm1Karl)Tg(MX1-cre)1Cgn/0] serve as an authentic model of human Gaucher disease; we have recently reported clonal B-cell proliferation accompanied by monoclonal serum paraproteins and cognate tumours in these animals. To explore the relationship between B-cell malignancy and the biochemical defect, we treated Gaucher mice with eliglustat tartrate (GENZ 112638), a potent and selective inhibitor of the first committed step in glycosphingolipid biosynthesis. Twenty-two Gaucher mice received 300 mg/kg of GENZ 112638 daily for 3-10 months from 6 weeks of age. Plasma concentrations of β-d-glucosylceramide and the unacylated glycosphingolipid, β-d-glucosylsphingosine, declined. After administration of GENZ 112638 to Gaucher mice for 3-10 months, serum paraproteins were not detected and there was a striking reduction in the malignant lymphoproliferation: neither lymphomas nor plasmacytomas were found in animals that had received the investigational agent. In contrast, 14 out of 60 Gaucher mice without GENZ 112638 treatment developed these tumours; monoclonal paraproteins were detected in plasma from 18 of the 44 age-matched mice with Gaucher disease that had not received GENZ 112638. Long-term inhibition of glycosphingolipid biosynthesis suppresses the development of spontaneous B-cell lymphoma and myeloma in Gaucher mice.
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Affiliation(s)
- Elena V Pavlova
- Department of Medicine, University of Cambridge, Cambridge, UK
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23
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Chatterjee S, Bedja D, Mishra S, Amuzie C, Avolio A, Kass DA, Berkowitz D, Renehan M. Inhibition of glycosphingolipid synthesis ameliorates atherosclerosis and arterial stiffness in apolipoprotein E-/- mice and rabbits fed a high-fat and -cholesterol diet. Circulation 2014; 129:2403-13. [PMID: 24710030 DOI: 10.1161/circulationaha.113.007559] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Glycosphingolipids, integral components of the cell membrane, have been shown to serve as messengers, transducing growth factor-initiated phenotypes. Here, we have examined whether inhibition of glycosphingolipid synthesis could ameliorate atherosclerosis and arterial stiffness in transgenic mice and rabbits. METHODS AND RESULTS Apolipoprotein E(-/-) mice (12 weeks of age; n=6) were fed regular chow or a Western diet (1.25% cholesterol, 2% fat). Mice were fed 5 or 10 mg/kg of an inhibitor of glycosphingolipid synthesis, D-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol (D-PDMP), solubilized in vehicle (5% Tween-80 in PBS); the placebo group received vehicle only. At 20 and 36 weeks of age, serial echocardiography was performed to measure aortic intima-media thickening. Aortic pulse-wave velocity measured vascular stiffness. Feeding mice a Western diet markedly increased aortic pulse-wave velocity, intima-media thickening, oxidized low-density lipoprotein, Ca(2+) deposits, and glucosylceramide and lactosylceramide synthase activity. These were dose-dependently decreased by feeding D-PDMP. In liver, D-PDMP decreased cholesterol and triglyceride levels by raising the expression of SREBP2, low-density lipoprotein receptor, HMGCo-A reductase, and the cholesterol efflux genes (eg, ABCG5, ABCG8). D-PDMP affected very-low-density lipoprotein catabolism by increasing the gene expression for lipoprotein lipase and very-low-density lipoprotein receptor. Rabbits fed a Western diet for 90 days had extensive atherosclerosis accompanied by a 17.5-fold increase in total cholesterol levels and a 3-fold increase in lactosylceramide levels. This was completely prevented by feeding D-PDMP. CONCLUSIONS Inhibition of glycosphingolipid synthesis ameliorates atherosclerosis and arterial stiffness in apolipoprotein E(-/-) mice and rabbits. Thus, inhibition of glycosphingolipid synthesis may be a novel approach to ameliorate atherosclerosis and arterial stiffness.
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Affiliation(s)
- Subroto Chatterjee
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.).
| | - Djahida Bedja
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - Sumita Mishra
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - Christine Amuzie
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - Alberto Avolio
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - David A Kass
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - Dan Berkowitz
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
| | - Mark Renehan
- From the Departments of Pediatrics (S.C., S.M., C.A., M.R.), Medicine (D. Bedja, D.A.K.), and Anesthesiology and Critical Care Medicine (D. Berkowitz), Johns Hopkins University School of Medicine, Baltimore, MD; and Australian School of Advanced Medicine, Macquarie University, Sydney, Australia (D. Bedja, A.A.)
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