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Piazzesi A, Afsar SY, van Echten‐Deckert G. Sphingolipid metabolism in the development and progression of cancer: one cancer's help is another's hindrance. Mol Oncol 2021; 15:3256-3279. [PMID: 34289244 PMCID: PMC8637577 DOI: 10.1002/1878-0261.13063] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/17/2021] [Accepted: 07/19/2021] [Indexed: 11/27/2022] Open
Abstract
Cancer development is a multistep process in which cells must overcome a series of obstacles before they can become fully developed tumors. First, cells must develop the ability to proliferate unchecked. Once this is accomplished, they must be able to invade the neighboring tissue, as well as provide themselves with oxygen and nutrients. Finally, they must acquire the ability to detach from the newly formed mass in order to spread to other tissues, all the while evading an immune system that is primed for their destruction. Furthermore, increased levels of inflammation have been shown to be linked to the development of cancer, with sites of chronic inflammation being a common component of tumorigenic microenvironments. In this Review, we give an overview of the impact of sphingolipid metabolism in cancers, from initiation to metastatic dissemination, as well as discussing immune responses and resistance to treatments. We explore how sphingolipids can either help or hinder the progression of cells from a healthy phenotype to a cancerous one.
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Affiliation(s)
- Antonia Piazzesi
- LIMES Institute for Membrane Biology and Lipid BiochemistryUniversity of BonnGermany
| | - Sumaiya Yasmeen Afsar
- LIMES Institute for Membrane Biology and Lipid BiochemistryUniversity of BonnGermany
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2
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Hagen-Euteneuer N, Alam S, Rindsfuesser H, Meyer Zu Heringdorf D, van Echten-Deckert G. S1P-lyase deficiency uncouples ganglioside formation - Potential contribution to tumorigenic capacity. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158708. [PMID: 32283310 DOI: 10.1016/j.bbalip.2020.158708] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 03/13/2020] [Accepted: 03/31/2020] [Indexed: 12/01/2022]
Abstract
Sphingosine-1-phosphate (S1P) is not only a catabolic intermediate of all sphingolipids but also an evolutionary conserved bioactive lipid with critical functions in cell survival, differentiation, and migration as well as in immunity and angiogenesis. S1P-lyase (SGPL1) irreversibly cleaves S1P in the final step of sphingolipid catabolism. As sphingoid bases and their 1-phosphates are not only metabolic intermediates but also highly bioactive lipids that modulate a wide range of physiological processes, it would be predicted that their elevation might induce adjustments in other facets of sphingolipid metabolism and/or alter cell behavior. We actually found in a previous study that in terminally differentiated neurons SGPL1 deficiency increases sphingolipid formation via recycling at the expense of de novo synthesis. We now investigated whether and how SGPL1 deficiency affects the metabolism of (glyco)sphingolipids in mouse embryonic fibroblasts (MEFs). According to our previous experiments in neurons, we found a strong accumulation of S1P in SGPL1-deficient MEFs. Surprisingly, a completely different situation arose as we analyzed sphingolipid metabolism in this non-differentiated cell type. The production of biosynthetic precursors of complex glycosphingolipids including ceramide, glucosylceramide and also ganglioside GM3 via de novo synthesis and recycling pathway was substantially increased whereas the amount of more complex gangliosides dropped significantly.
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Affiliation(s)
| | - Shah Alam
- LIMES Institute Membrane Biology and Lipid Biochemistry, University Bonn, Germany
| | - Hannah Rindsfuesser
- LIMES Institute Membrane Biology and Lipid Biochemistry, University Bonn, Germany
| | - Dagmar Meyer Zu Heringdorf
- Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Goethe-Universität, Frankfurt am Main, Germany
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3
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Jain R, Austin Pickens C, Fenton JI. The role of the lipidome in obesity-mediated colon cancer risk. J Nutr Biochem 2018; 59:1-9. [PMID: 29605789 DOI: 10.1016/j.jnutbio.2018.02.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 02/07/2018] [Accepted: 02/13/2018] [Indexed: 02/07/2023]
Abstract
Obesity is a state of chronic inflammation influenced by lipids such as fatty acids and their secondary oxygenated metabolites deemed oxylipids. Many such lipid mediators serve as potent signaling molecules of inflammation, which can further alter lipid metabolism and lead to carcinogenesis. For example, sphingosine-1-phosphate activates cyclooxygenase-2 in endothelial cells resulting in the conversion of arachidonic acid (AA) to prostaglandin E2 (PGE2). PGE2 promotes colon cancer cell growth. In contrast, the less studied path of AA oxygenation via cytochrome p450 enzymes produces epoxyeicosatetraenoic acids (EETs), whose anti-inflammatory properties cause shrinking of enlarged adipocytes, a characteristic of obesity, through the liberation of fatty acids. It is now thought that EET depletion occurs in obesity and may contribute to colon cell carcinogenesis. Meanwhile, gangliosides, a type of sphingolipid, are cell surface signaling molecules that contribute to the apoptosis of colon tumor cells. Many of these discoveries have been made recently and the mechanisms are still not fully understood, leading to an exciting new chapter of lipidomic research. In this review, mechanisms behind obesity-associated colon cancer are discussed with a focus on the role of small lipid signaling molecules in the process. Specifically, changes in lipid metabolite levels during obesity and the development of colon cancer, as well as novel biomarkers and targets for therapy, are discussed.
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Affiliation(s)
- Raghav Jain
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, USA
| | - C Austin Pickens
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, USA
| | - Jenifer I Fenton
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, USA.
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D'Angelo G, Capasso S, Sticco L, Russo D. Glycosphingolipids: synthesis and functions. FEBS J 2013; 280:6338-53. [PMID: 24165035 DOI: 10.1111/febs.12559] [Citation(s) in RCA: 179] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 09/27/2013] [Accepted: 09/30/2013] [Indexed: 12/21/2022]
Abstract
Glycosphingolipids (GSLs) comprise a heterogeneous group of membrane lipids formed by a ceramide backbone covalently linked to a glycan moiety. Hundreds of different glycans can be linked to tens of different ceramide molecules, giving rise to an astonishing variety of structurally different compounds, each of which has the potential for a specific biological function. GSLs have been suggested to modulate membrane-protein function and to contribute to cell-cell communication. Although GSLs are dispensable for cellular life, they are indeed collectively required for the development of multicellular organisms, and are thus considered to be key molecules in 'cell sociology'. Consequently, the GSL make-up of individual cells is highly dynamic and is strictly linked to the cellular developmental and environmental state. In the present review, we discuss some of the available knowledge, open questions and future perspectives relating to the study of GSL biology.
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Affiliation(s)
- Giovanni D'Angelo
- Institute of Protein Biochemistry, National Research Council, Naples, Italy
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Glycosylation of Nα-lauryl-O-(β-D-xylopyranosyl)-L-serinamide as a saccharide primer in cells. Carbohydr Res 2012; 361:33-40. [PMID: 22960263 DOI: 10.1016/j.carres.2012.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 08/08/2012] [Accepted: 08/09/2012] [Indexed: 11/23/2022]
Abstract
N(α)-Lauryl-O-(β-D-xylopyranosyl)-L-serinamide (Xyl-Ser-C12) was synthesized as a saccharide primer to obtain oligosaccharides of glycosaminoglycan using the glycan biosynthetic potential of mouse osteosarcoma FBJ-S1 cells and Chinese hamster ovary (CHO) cells. The glycosylated products secreted into the culture medium were collected and analyzed by liquid chromatography-mass spectrometry and glycosidase digestion. The structure of the Xyl-Ser-C12 derivatives was investigated. Several glycosaminoglycan-type oligosaccharides, such as GalNAc-(GlcA-GlcNAc)(n)-GlcA-Gal-Gal-Xyl-Ser-C12, were detected, and identified as intermediates of the biosynthesis of heparan sulfate glycosaminoglycans. Xyl-Ser-C12 exhibited greater acceptor activity for the glycosylation of glycosaminoglycan-type oligosaccharides than p-nitrophenyl-β-D-xylopyranoside.
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Wang Y, Yang X, Yamagata S, Yamagata T, Sato T. Involvement of Ext1 and heparanase in migration of mouse FBJ osteosarcoma cells. Mol Cell Biochem 2012; 373:63-72. [PMID: 23054193 DOI: 10.1007/s11010-012-1475-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 09/26/2012] [Indexed: 12/01/2022]
Abstract
To know the involvement of glycosaminoglycans (GAGs) in the metastasis of mouse FBJ osteosarcoma cells, N(α)-lauroyl-O-(β-D-xylopyranosyl)-L-serinamide (Xyl-Ser-C12), which initiates elongation of GAG chains using the glycan biosynthesis system in cells, was administered to FBJ cells with different metastatic capacities. Production of glycosylated products derived from Xyl-Ser-C12, especially heparan sulfate (HS) GAG-type oligosaccharides such as GalNAc-GlcA-GlcNAc-GlcA-Gal-Gal-Xyl-Ser-C12, was indicated in poorly metastatic FBJ-S1 cells more than in highly metastatic FBJ-LL cells by LC-MS. The results of RT-PCR revealed that HS synthases, Ext1 and Ext2, were expressed in FBJ-S1 cells more than in FBJ-LL cells. Furthermore, siRNA against Ext1 suppressed the expression of HS and enhanced the motility of FBJ-S1 cells. In addition, the expression of heparanase (HPSE) was enhanced in Ext-1-knockdown FBJ-S1 cells, and responsible for the increase in cell motility caused by the down-regulation of Ext1 expression. Our data provide the first evidence that Ext1 regulates the expression of HPSE and also indicated that levels of Ext1 and HPSE influenced the motility of FBJ cells.
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Affiliation(s)
- Yinan Wang
- Department of Biosciences and Informatics, Keio University, Hiyoshi, Yokohama 223-8522, Japan
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Yang XY, Huang CC, Kan QM, Li Y, Liu D, Zhang XC, Sato T, Yamagata S, Yamagata T. Calcium regulates caveolin-1 expression at the transcriptional level. Biochem Biophys Res Commun 2012; 426:334-41. [PMID: 22940132 DOI: 10.1016/j.bbrc.2012.08.079] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 08/15/2012] [Indexed: 11/29/2022]
Abstract
Caveolin-1, an indispensable component of caveolae serving as a transformation suppressor protein, is highly expressed in poorly metastatic mouse osteosarcoma FBJ-S1 cells while highly metastatic FBJ-LL cells express low levels of caveolin-1. Calcium concentration is higher in FBJ-S1 cells than in FBJ-LL cells; therefore, we investigated the possibility that calcium signaling positively regulates caveolin-1 in mouse FBJ-S1 cells. When cells were treated with the calcium channel blocker nifedipine, cyclosporin A (a calcineurin inhibitor), or INCA-6 (a nuclear factor of activated T-cells [NFAT] inhibitor), caveolin-1 expression at the mRNA and protein levels decreased. RNA silencing of voltage-dependent L-type calcium channel subunit alpha-1C resulted in suppression of caveolin-1 expression. This novel caveolin-1 regulation pathway was also identified in mouse NIH 3T3 cells and Lewis lung carcinoma cells. These results indicate that caveolin-1 is positively regulated at the transcriptional level through a novel calcium signaling pathway mediated by L-type calcium channel/Ca(2+)/calcineurin/NFAT.
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Affiliation(s)
- Xiao-Yan Yang
- Laboratory of Tumor Biology and Glycobiology, Department of Life Sciences, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
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Kwak DH, Ryu JS, Kim CH, Ko K, Ma JY, Hwang KA, Choo YK. Relationship between ganglioside expression and anti-cancer effects of the monoclonal antibody against epithelial cell adhesion molecule in colon cancer. Exp Mol Med 2012; 43:693-701. [PMID: 22033101 DOI: 10.3858/emm.2011.43.12.080] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
The human colorectal carcinoma-associated GA733 antigen epithelial cell adhesion molecule (EpCAM) was initially described as a cell surface protein selectively expressed in some myeloid cancers. Gangliosides are sialic acid-containing glycosphingolipids involved in inflammation and oncogenesis. We have demonstrated that treatment with anti-EpCAM mAb and RAW264.7 cells significant inhibited the cell growth in SW620 cancer cells, but neither anti-EpCAM mAb nor RAW264.7 cells alone induced cytotoxicity. The relationship between ganglioside expression and the anti- cancer effects of anti-EpCAM mAb and RAW264.7 was investigated by high-performance thin-layer chromatography. The results demonstrated that expression of GM1 and GD1a significantly increased in the ability of anti-EpCAM to inhibit cell growth in SW620 cells. Anti-EpCAM mAb treatment increased the expression of anti-apoptotic proteins such as Bcl-2, but the expression of pro-apoptotic proteins Bax, TNF-α, caspase-3, cleaved caspase-3, and cleaved caspase-8 were unaltered. We observed that anti-EpCAM mAb significantly inhibited the growth of colon tumors, as determined by a decrease in tumor volume and weight. The expression of anti-apoptotic protein was inhibited by treatment with anti-EpCAM mAb, whereas the expression of pro-apoptotic proteins was increased. These results suggest that GD1a and GM1 were closely related to anticancer effects of anti-EpCAM mAb. In light of these results, further clinical investigation should be conducted on anti-EpCAM mAb to determine its possible chemopreventive and/or therapeutic efficacy against human colon cancer.
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Affiliation(s)
- Dong Hoon Kwak
- Center for Herbal Medicine Improvement Research, Korea Institute of Oriental Medicine, Daejeon 305-811, Korea
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Zhang L, Wang Y, Wang L, Cao T, Hyuga S, Sato T, Wu Y, Yamagata S, Yamagata T. Ganglioside GD1a negatively regulates hepatocyte growth factor expression through caveolin-1 at the transcriptional level in murine osteosarcoma cells. Biochim Biophys Acta Gen Subj 2011; 1810:759-68. [DOI: 10.1016/j.bbagen.2011.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 04/10/2011] [Accepted: 04/20/2011] [Indexed: 01/24/2023]
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Cao T, Zhang T, Wang L, Zhang L, Adachi T, Sato T, Yamagata S, Yamagata T. Ganglioside GD1a Suppression of NOS2 Expression Via ERK1 Pathway in Mouse Osteosarcoma FBJ Cells. J Cell Biochem 2010; 110:1165-74. [DOI: 10.1002/jcb.22631] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Wang L, Wang Y, Sato T, Yamagata S, Yamagata T. Ganglioside GD1a suppresses TNFalpha expression via Pkn1 at the transcriptional level in mouse osteosarcoma-derived FBJ cells. Biochem Biophys Res Commun 2008; 371:230-5. [PMID: 18435913 DOI: 10.1016/j.bbrc.2008.04.053] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2008] [Accepted: 04/09/2008] [Indexed: 11/29/2022]
Abstract
Ganglioside GD1a has been reported to suppress metastasis [S. Hyuga, S. Yamagata, Y. Takatsu, M. Hyuga, H. Nakanishi, K. Furukawa, T. Yamagata, Suppression of FBJ-LL cell adhesion to vitronectin by ganglioside GD1a and loss of metastatic capacity, International J. Cancer. 83 (1999) 685-691.] and MMP-9 production in mouse osteosarcoma FBJ cells [D. Hu, Z. Man, P. Wang, X. Tan, X. Wang, S. Takaku, S. Hyuga, T. Sato, X. Yao, S. Yamagata, T. Yamagata, Ganglioside GD1a negatively regulates MMP9 expression in mouse FBJ cell lines at the transcriptional level, Connect. Tissue Res. 48 (2007) 198-205.]. In the present study, TNFalpha increased cell motility and MMP-9 and TNFalpha expression at the transcriptional level. TNFalpha expression was found to be inversely proportional to GD1a content in the FBJ-cell variants. The addition of exogenous GD1a to FBJ-LL cells suppressed TNFalpha expression, and treatment of FBJ-S1 cells with D-PDMP (glucosylceramide synthesis inhibitor) led to an increase in TNFalpha, indicating that TNFalpha is negatively regulated by GD1a in FBJ cells. SiRNA of Pkn1, a Rho-GTPase effecter protein kinase, suppressed TNFalpha levels as well as Pkn1 expression, suggesting that Pkn1 is involved in TNFalpha signaling. Treatment of Pkn1-silenced FBJ-LL cells with GD1a failed to suppress TNFalpha expression, demonstrating that GD1a signals that lead to TNFalpha suppression are transduced through Pkn1.
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Affiliation(s)
- Li Wang
- Laboratory of Tumor Biology and Glycobiology, Department of Life Sciences and Biopharmaceutics, Shenyang Pharmaceutical University, PO Box 29, 103 WenHua Road, Shenyang, LiaoNing 110016, People's Republic of China
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Wang L, Takaku S, Wang P, Hu D, Hyuga S, Sato T, Yamagata S, Yamagata T. Ganglioside GD1a regulation of caveolin-1 and Stim1 expression in mouse FBJ cells: augmented expression of caveolin-1 and Stim1 in cells with increased GD1a content. Glycoconj J 2007; 23:303-15. [PMID: 16897174 DOI: 10.1007/s10719-006-5742-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2005] [Revised: 10/24/2005] [Accepted: 10/27/2005] [Indexed: 01/26/2023]
Abstract
GD1a was previously shown responsible for regulating cell motility, cellular adhesiveness to vitronectin, phosphorylation of c-Met and metastatic ability of mouse FBJ osteosarcoma cells. To determine the particular molecules regulated by GD1a, FBJ cells were assessed for tumor-related gene expression by semi-quantitative RT-PCR. Caveolin-1 and stromal interaction molecule 1 (Stim1) expression in FBJ-S1 cells, rich in GD1a, were found to be 6 and 4 times as much, respectively, than in FBJ-LL cells devoid of GD1a. Enhanced production of caveolin-1 in protein was confirmed by Western blotting. A low-metastatic FBJ-LL cell variant, having high GD1a expression through beta1-4GalNAcT-1 (GM2/GD2 synthase) cDNA transfection (Hyuga S, et al, Int J Cancer 83: 685-91, 1999), showed enhanced production of caveolin-1 and Stim1 in mRNA and protein, compared to mock-transfectant M5. Incubation of FBJ-M5 cells with exogenous GD1a augmented the expression of caveolin-1 in mRNA and protein and Stim1 in mRNA as well. Treatment of FBJ-S1 with fumonisin B1, an inhibitor of N-acylsphinganine synthesis, for 15 days caused the complete depletion of gangliosides and suppressed the expression of caveolin-1 and Stim1. St3gal5 siRNA transfected cells showed decreased expression of caveolin-1 and Stim1 mRNA, as well as St3gal5 mRNA. These findings clearly indicate ganglioside GD1a to be involved in the regulation of the transformation suppressor genes, caveolin-1 and Stim1. Moreover, treatment with GD1a of mouse melanoma B16 cells and human hepatoma HepG2 cells brought about elevated expression of caveolin-1 and Stim1.
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Affiliation(s)
- Li Wang
- Laboratory of Tumor Biology and Glycobiology, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
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Hu D, Man Z, Wang P, Tan X, Wang X, Takaku S, Hyuga S, Sato T, Yao X, Yamagata S, Yamagata T. Ganglioside GD1a negatively regulates matrix metalloproteinase-9 expression in mouse FBJ cell lines at the transcriptional level. Connect Tissue Res 2007; 48:198-205. [PMID: 17653976 DOI: 10.1080/03008200701458731] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Mouse FBJ virus-induced osteosarcoma FBJ-S1 cells rich in GD1a are not readily metastatic, whereas FBJ-LL cells with low levels of GD1a are highly metastatic. GD1a was previously shown to suppress metastasis of mouse FBJ cells and to upregulate caveolin-1 and stromal interaction molecule 1 expression. The present study demonstrates that matrix metalloproteinase-9 (MMP-9) expression renders FBJ-LL cells invasive. MMP-9 is inversely regulated by GD1a, based upon four observations: MMP-9 mRNA content was 5 times higher in FBJ-LL cells than FBJ-S1 cells; a GD1a-re-expressing FBJ-LL cell variant produced through beta1,4GalNAcT-1 cDNA transfection expressed lower levels of MMP-9; exogenous addition of GD1a to FBJ-LL cells decreased MMP-9 production in a dose- and time-dependent manner; and treatment of GD1a-rich cells with D-PDMP or siRNA targeting St3gal2 decreased GD1a expression, but augmented MMP-9 expression. This is the first report demonstrating that GD1a negatively regulates expression of MMP-9 at the transcriptional level.
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Affiliation(s)
- Dan Hu
- Laboratory of Tumor Biology and Glycobiology, Shenyang Pharmaceutical University, Shenyang, P. R. China
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Dyatlovitskaya EV, Kandyba AG. Sphingolipids in tumor metastases and angiogenesis. BIOCHEMISTRY (MOSCOW) 2006; 71:347-53. [PMID: 16615853 DOI: 10.1134/s0006297906040018] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This review article summarizes data on the involvement of sphingolipids (sphingosine-1-phosphate, sphingosine-1-phosphocholine, neutral glycosphingolipids, and gangliosides) in tumor metastases and angiogenesis.
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Affiliation(s)
- E V Dyatlovitskaya
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia.
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Abstract
Gangliosides, sialic acid-containing glycosphingolipids, have engendered great interest for more than 20 years in the search for target molecules of relevance for tumour growth and formation of metastases and as potential targets for immunotherapy. These molecules show large quantitative and structural variability, which is related to cell type and developmental stage. Their potential role in the formation of tumour metastases was suggested from data supporting that they are involved in cell growth regulation and in cell-cell and cell-matrix adhesion. Moreover, gangliosides are expressed on the cell surface and thereby are accessible for antibodies or other ganglioside-binding molecules to induce cell death, inhibit cell growth and/or inhibit formation of tumour metastasis. All tumours exhibit aberrant ganglioside expression. This includes overexpression of normal ganglioside constituents, which appears to be common among various tumours, and expression of gangliosides not found in normal adult tissue but often found during fetal development. The ganglioside composition of melanoma cells has been found to correlate with their metastatic potential and also to be selectively expressed in cells of a tumour mass and invading tumour cells. Passive immunotherapy using murine or murine/human chimeric monoclonal antiganglioside antibodies in their native form or combined with various effector molecules has been investigated. However, the vaccination strategy using native or structurally modified tumour-associated gangliosides in combination with adjuvants is currently the dominant method in clinical trials. The outcomes reported so far vary between type of tumour and treatment strategies. However, we believe that targeting gangliosides is as promising as any other immune therapeutic strategy, and basic research as well as clinical trials utilising new aspects is encouraged.
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Affiliation(s)
- Pam Fredman
- Experimental Neuroscience Section, Institute of Clinical Neuroscience, The Sahlgrenska Institute at Göteborg University, Sahlgrenska University Hospital, SE 43180 Molndal, Sweden.
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Chen HH, Fukumoto S, Furukawa K, Nakao A, Akiyama S, Urano T, Furukawa K. Suppression of lung metastasis of mouse Lewis lung cancer P29 with transfection of the ganglioside GM2/GD2 synthase gene. Int J Cancer 2003; 103:169-76. [PMID: 12455030 DOI: 10.1002/ijc.10797] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Ganglioside functions in tumor metastasis were analyzed by carbohydrate remodeling of a mouse Lewis lung cancer (subline P29) by introducing beta1,4GalNAc-T cDNA. Although P29 was originally a low-metastatic subline in the s.c. injection system, it showed high potential in lung metastasis when i.v.-injected via the tail vein. Two lines of GM(2)(+) transfectants showed markedly reduced metastatic potential to the lung compared to 2 control lines. However, cell proliferation rates and expression levels of various cell adhesion molecules, e.g., integrin family members, SLe(x) and CD44, were essentially unchanged after transfection of the cDNA. Then, cell adhesion to fibronectin-coated dishes was examined, showing that GM(2) (+) transfectants attached to the plates much more slowly than controls, suggesting functional modulation of integrins with newly expressed GM(2). Phosphorylation of the FAK located at downstream of integrin molecules was markedly reduced in GM(2)(+) transfectants, suggesting that GM(2) suppressed cell adhesion signals via fibronectin-integrin interaction.
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Affiliation(s)
- Ho-Hsiang Chen
- Department of Biochemistry II, Nagoya University School of Medicine, Nagoya, Japan
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Kawakami Y, Kawakami K, Steelant WFA, Ono M, Baek RC, Handa K, Withers DA, Hakomori S. Tetraspanin CD9 is a "proteolipid," and its interaction with alpha 3 integrin in microdomain is promoted by GM3 ganglioside, leading to inhibition of laminin-5-dependent cell motility. J Biol Chem 2002; 277:34349-58. [PMID: 12068006 DOI: 10.1074/jbc.m200771200] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
GM3 ganglioside inhibits tetraspanin CD9-facilitated cell motility in various cell lines (Ono, M., Handa, K., Sonnino, S., Withers, D. A., Nagai, H., and Hakomori, S. (2001) Biochemistry 40, 6414-6421). We now report the following: (i) CD9 has the novel feature of being soluble in chloroform/methanol, and classifiable as "proteolipid"; (ii) CD9 and alpha(3) integrin were concentrated together in the low-density glycolipid-enriched microdomain (GEM) of ldlD/CD9 cells, and the alpha(3) expression ratio (value for cells grown under +Gal condition divided by the value for cells grown under -Gal condition) in GEM of ldlD/CD9 cells was higher than that in control ldlD/moc cells, suggesting that CD9 recruits alpha(3) in GEM under +Gal condition, whereby GM3 is present. (iii) Chemical levels of alpha(3) and CD9 in the total extract or membrane fractions from cells grown under +Gal versus -Gal condition were nearly identical, whereas alpha(3) expressed at the cell surface, probed by antibody binding in flow cytometry, was higher under -Gal than +Gal condition. These results suggest that GM3 synthesized under +Gal condition promotes interaction of alpha(3) with CD9, which restricts alpha(3) binding to its antibody. A concept of the alpha(3)/CD9 interaction promoted by GM3 was further supported by (i) co-immunoprecipitation of CD9 and alpha(3) under +Gal but not -Gal condition, (ii) enhanced co-immunoprecipitation of CD9 and alpha(3) when GM3 was added exogenously to cells under -Gal condition, and (iii) the co-localization images of CD9 with alpha(3) and of GM3 with CD9 in fluorescence laser scanning confocal microscopy. Based on the promotion of alpha(3)/CD9 interaction by GM3 and the status of laminin-5 as a true ligand for alpha(3), the laminin-5/alpha(3)-dependent motility of ldlD/CD9 cells was found to be greatly enhanced under -Gal condition, but strongly inhibited under +Gal condition. Such a motility difference under +Gal versus -Gal condition was not observed for ldlD/moc cells. The inhibitory effect observed in ldlD/CD9 cells under +Gal condition was reversed upon addition of anti-alpha(3) antibody and is therefore based on interaction between alpha(3), CD9, and GM3 in GEM.
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Affiliation(s)
- Yasushi Kawakami
- Division of Biomembrane Research, Pacific Northwest Research Institute, 720 Broadway, Seattle, WA 98122-4327, USA
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Hyuga S, Kawasaki N, Hyuga M, Ohta M, Shibayama R, Kawanishi T, Yamagata S, Yamagata T, Hayakawa T. Ganglioside GD1a inhibits HGF-induced motility and scattering of cancer cells through suppression of tyrosine phosphorylation of c-Met. Int J Cancer 2001; 94:328-34. [PMID: 11745410 DOI: 10.1002/ijc.1481] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We previously reported that ganglioside GD1a, which is highly expressed in poorly metastatic FBJ-S1 cells, inhibits the serum-induced motility of FBJ-LL cells and that the metastatic potential of FBJ-LL cells is completely suppressed by enforced GD1a expression (Hyuga et al., Int J Cancer 1999;83:685-91). We recently discovered that hepatocyte growth factor (HGF) induces FBJ-LL cell motility. In the present study, the HGF-induced motility of FBJ-S1 cells was found to be one-thirtieth that of FBJ-LL cells. This motility of GD1a-expressing transfectants, which were produced by transfection of FBJ-LL cells with GM2/GD2 synthase cDNA, decreased with increases in their GD1a expression and HGF induced almost no motility in GD1a-pretreated FBJ-LL cells, indicating that GD1a inhibits the HGF-induced motility of FBJ-LL cells. The expression of the HGF receptor c-Met on FBJ-S1 cells, FBJ-LL cells, transfectants and a mock-transfectant was almost the same. The level of tyrosine phosphorylation of c-Met after HGF stimulation in FBJ-S1 cells, GD1a-pretreated FBJ-LL cells and a GD1a-expressing transfectant was significantly lower than in FBJ-LL cells and a mock-transfectant. These findings suggested that GD1a inhibits the HGF-induced motility of FBJ-LL cells through suppression of tyrosine phosphorylation of c-Met. HepG2 cells, a human hepatoma cell line, were used to investigate whether GD1a interferes with other cancer cells expressing c-Met. HepG2 cells did not express GD1a. HGF induced cell scattering of HepG2 cells and the scattering was inhibited by pretreating the cells with GD1a. The c-Met in the cells was autophosphorylated by stimulation with HGF, but after treating the cells with GD1a, the HGF-induced autophosphorylation of c-Met was suppressed. These results suggest that GD1a acts as a negative regulator of c-Met in cancer cells.
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Affiliation(s)
- S Hyuga
- Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, Setagayaku, Tokyo, Japan.
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Abstract
Our studies on glycosphingolipids (GSLs) were initiated through isolation and structural characterization of lacto-series type 1 and 2 GSLs, and globo-series GSLs. Lacto-series structures included histo-blood group ABH and I/i antigens. Our subsequent studies were focused on GSL changes associated with: (i) ontogenic development and differentiation; (ii) oncogenic transformation and tumor progression. Various novel types of GSLs such as extended globo-series, sialyl-Le(x) (SLe(x)), sialyl-dimeric-Le(x) (SLe(x)-Le(x)), dimeric-Le(x) (Le(x)-Le(x)), Le(y)-on-Le(x), dimeric-Le(a) (Le(a)-Le(a)), Le(b)-on-Le(a), etc. were identified as tumor-associated antigens. These studies provide an essential basis for up- or down-regulation of key glycosyltransferase genes controlling development, differentiation, and oncogenesis. GSL structures established in our laboratory are summarized in Table 1, and structural changes of GSLs associated with ontogenesis and oncogenesis are summarized in Sections 2 and 3. Based on these results, we endeavored to find out the cell biological significance of GSL changes, focused on (i) cell adhesion, e.g., the compaction process of preimplantation embryo in which Le(x)-to-Le(x), Gb4-to-GalGb4 or -nLc4 play major roles; and (ii) modulation of signal transduction through interaction of growth factor receptor tyrosine kinase with ganglioside, e.g., EGF receptor tyrosine kinase with GM3. Recent trends of studies on i and ii lead to the concept that GSL clusters (microdomains) are organized with various signal transducer molecules to form 'glycosignaling domains' (GSD). GSL-dependent adhesion occurs through clustered GSLs, and is coupled with activation of signal transducers (cSrc, Src family kinase, Rho A, etc.). Clustered GSLs involved in cell adhesion are recognized by GSLs on counterpart cells (carbohydrate-to-carbohydrate interaction), or by lectins (e.g., siglecs, selectins). Our major effort in utilization of GSLs in medical science has been for: (i) cancer diagnosis and treatment (vaccine development) based on tumor-associated GSLs and glycoepitopes; (ii) genetically defined phenotype for susceptibility to E. coli infection; (iii) clear identification of physiological E-selectin epitope (myeloglycan) expressed on neutrophils and myelocytes; (iv) characterization of sialyl poly-LacNAc epitopes recognized as male-specific antigens. Utilization of these GSLs or glycoepitopes in development of anti-adhesion approach to prevent tumor metastasis, infection, inflammation, or fertilization (i.e., contraceptive) is discussed. For each approach, development of mimetics of key GSLs or glycoepitopes is an important subject of future study.
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Affiliation(s)
- S Hakomori
- Division of Biomembrane Research, Pacific Northwest Research Institute, Seattle, WA 98122, USA.
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Hyuga S, Kawasaki N, Hashimoto O, Hyuga M, Ohta M, Yamagata S, Yamagata T, Hayakawa T. Possible role of hepatocyte growth factor/scatter factor and activin A produced by the target organ in liver metastasis. Cancer Lett 2000; 153:137-43. [PMID: 10779642 DOI: 10.1016/s0304-3835(00)00360-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The molecular mechanism of organ-specific metastasis to the liver remains largely unknown. However, it is conceivable that paracrine growth factors produced by a target organ induce migration and proliferation of malignant cells to that organ, and this is the cause of organ-specific metastasis. In this study, we investigated the effect of hepatocyte growth factor/scatter factor (HGF/SF) and activin A, which are known to be produced by the liver, on the motility and growth of liver-metastatic cell line FBJ-LL. HGF/SF and activin A induced motility synergistically, but they did not affect the proliferation of FBJ-LL cells. Expression of the HGF/SF receptor, the c-met gene, and the activin-receptor type IA, type IB, and type IIA genes in FBJ-LL cells was detected by reverse transcription polymerase chain reaction. These findings suggest that both HGF/SF and activin A promote organ-specific metastasis to the liver by induction of migration through their specific receptors on liver-metastatic cells.
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Affiliation(s)
- S Hyuga
- Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, 1-18-1, Kamiyoga, Setagayaku, Tokyo, Japan.
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Hyuga S, Yamagata S, Takatsu Y, Hyuga M, Nakanishi H, Furukawa K, Yamagata T. Suppression by ganglioside GD1A of migration capability, adhesion to vitronectin and metastatic potential of highly metastatic FBJ-LL cells. Int J Cancer 1999; 83:685-91. [PMID: 10521808 DOI: 10.1002/(sici)1097-0215(19991126)83:5<685::aid-ijc20>3.0.co;2-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Ganglioside GD1a, which is highly expressed in poorly metastatic FBJ-S1 cells, has been shown to inhibit the serum-induced migration capability of highly metastatic FBJ-LL cells. In the present study, the capacity of FBJ-S1 cells to adhere to vitronectin was found to be about half that of FBJ-LL cells. Pre-treatment of FBJ-LL cells with GD1a decreased this capacity by 30% that of the control, whereas GM1-pre-treatment caused only a 10% decrease, indicating that GD1a specifically inhibits FBJ-LL cell adhesion to vitronectin. Since FBJ-LL cells contain almost no GD1a, transfectants capable of expressing GD1a to varying degrees were produced in this study by transfection of FBJ-LL cells with GM2/GD2-synthase cDNA. Decrease in the serum-induced migration capacity of these transfectants was accompanied by an increment in GD1a expression. Adhesion of the transfectants to vitronectin decreased by 30% as compared with mock-transfected cells. Within 4 to 5 weeks after GD1a-expressing transfectant and mock-transfected cells were transplanted into mice, metastatic nodules were observed in liver, lung, kidney and adrenal glands of mock-transplanted mice, but not in those with GD1a-expressing transfectants, indicating that GD1a suppresses the metastasis of FBJ-osteosarcoma cells, possibly by inhibiting cell migration and cell adhesion. The involvement of the ganglioside in the suppression of metastasis is clearly demonstrated in the present study.
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Affiliation(s)
- S Hyuga
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
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