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Chen NY, Lin CW, Lai TY, Wu CY, Liao PC, Hsu TL, Wong CH. Increased expression of SSEA-4 on TKI-resistant non-small cell lung cancer with EGFR-T790M mutation. Proc Natl Acad Sci U S A 2024; 121:e2313397121. [PMID: 38252815 PMCID: PMC10835044 DOI: 10.1073/pnas.2313397121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Non-small cell lung cancer (NSCLC), a major life-threatening disease accounting for 85% of all lung cancer cases, has been treated with tyrosine kinase inhibitors (TKIs), but often resulted in drug resistance, and approximately 60% of TKI-resistant cases are due to acquired secondary (epithelial growth factor receptor) EGFR-T790M mutation. To identify alternative targets for TKI-resistant NSCLC with EGFR-T790M mutation, we found that the three globo-series glycosphingolipids are increasingly expressed on this type of NSCLC cell lines, and among them, the increase of stage-specific embryonic antigen-4 (SSEA-4) expression is the most significant. Compared to TKI-sensitive cell lines, SSEA-4 and the key enzyme β3GalT5 responsible for the synthesis of SSEA3 are more expressed in TKI-resistant NSCLC cell lines with EGFR-T790M mutation, and the expression levels strongly correlate with poor survival in patients with EGFR mutation. In addition, we demonstrated that a SSEA-4 targeted monoclonal antibody, especially the homogeneous glycoform with well-defined Fc glycan designed to improve effective functions, is highly effective against this subpopulation of NSCLC in cell-based and animal studies. These findings provide a direction for the prediction of tumor recurrence and treatment of TKI-resistant NSCLC with EGFR-T790M mutation.
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Affiliation(s)
- Nai-Yu Chen
- Genomics Research Center, Academia Sinica, Taipei11529, Taiwan
- Institute of Microbiology and Immunology, National Yang-Ming University, Taipei11221, Taiwan
| | - Chih-Wei Lin
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung406040, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung406040, Taiwan
| | - Ting-Yen Lai
- Genomics Research Center, Academia Sinica, Taipei11529, Taiwan
| | - Chung-Yi Wu
- Genomics Research Center, Academia Sinica, Taipei11529, Taiwan
| | - Pei-Chi Liao
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung406040, Taiwan
| | - Tsui-Ling Hsu
- Genomics Research Center, Academia Sinica, Taipei11529, Taiwan
| | - Chi-Huey Wong
- Genomics Research Center, Academia Sinica, Taipei11529, Taiwan
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA92037
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2
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Corsetto PA, Zava S, Rizzo AM, Colombo I. The Critical Impact of Sphingolipid Metabolism in Breast Cancer Progression and Drug Response. Int J Mol Sci 2023; 24:ijms24032107. [PMID: 36768427 PMCID: PMC9916652 DOI: 10.3390/ijms24032107] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
Breast cancer is the second leading cause of cancer-related death in women in the world, and its management includes a combination of surgery, radiation therapy, chemotherapy, and immunotherapy, whose effectiveness depends largely, but not exclusively, on the molecular subtype (Luminal A, Luminal B, HER2+ and Triple Negative). All breast cancer subtypes are accompanied by peculiar and substantial changes in sphingolipid metabolism. Alterations in sphingolipid metabolite levels, such as ceramides, dihydroceramide, sphingosine, sphingosine-1-phosphate, and sphingomyelin, as well as in their biosynthetic and catabolic enzymatic pathways, have emerged as molecular mechanisms by which breast cancer cells grow, respond to or escape therapeutic interventions and could take on diagnostic and prognostic value. In this review, we summarize the current landscape around two main themes: 1. sphingolipid metabolites, enzymes and transport proteins that have been found dysregulated in human breast cancer cells and/or tissues; 2. sphingolipid-driven mechanisms that allow breast cancer cells to respond to or evade therapies. Having a complete picture of the impact of the sphingolipid metabolism in the development and progression of breast cancer may provide an effective means to improve and personalize treatments and reduce associated drug resistance.
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Chiang PY, Adak AK, Liang WL, Tsai CY, Tseng HK, Cheng JY, Hwu JR, Yu AL, Hung JT, Lin CC. Chemoenzymatic Synthesis of Globo-series Glycosphingolipids and Evaluation of Their Immunosuppressive Activities. Chem Asian J 2022; 17:e202200403. [PMID: 35616406 DOI: 10.1002/asia.202200403] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/19/2022] [Indexed: 11/11/2022]
Abstract
Glycosphingolipids (GSLs) play essential roles in many important biological processes, making them attractive synthetic targets. In this paper, a viable chemoenzymatic method is described for the synthesis of globo-series GSLs, namely, Gb4, Gb5, SSEA-4, and Globo H. The strategy uses a chemically synthesized lactoside acceptor equipped with a partial ceramide structure that is uniquely extended by glycosyltransferases in a highly efficient one-pot multiple engyme (OPME) procedure. A direct and quantitative conversion of Gb4 sphingosine to Globo H sphingosine is achieved by performing two-sequential OPME glycosylations. A reduction and N -acylation protocol allows facile incorporation of various fatty acids into the lipid portions of the GSLs. The chemically well-defined lipid-modified Globo H-GSLs displayed some differences in their immunosuprressive activities, which may benefit the structural modifications of Globo h ceramides in finding new types of immunosuppressive agents. The strategy outlined in this work should be applicable to rapid access to other complex GSLs.
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Affiliation(s)
- Pei-Yun Chiang
- National Tsing Hua University, Department of Chemistry, TAIWAN
| | - Avijit K Adak
- National Tsing Hua University, Department of Chemistry, TAIWAN
| | - Wei-Lun Liang
- National Tsing Hua University, Department of Chemistry, TAIWAN
| | - Chen-Yen Tsai
- National Tsing Hua University, Department of Chemistry, TAIWAN
| | - Hsin-Kai Tseng
- National Tsing Hua University, Departemnt of Chemistry, TAIWAN
| | - Jing-Yan Cheng
- Chang Gung University, Institute of Stem Cell and Translational Cancer Research, TAIWAN
| | - Jih Ru Hwu
- National Tsing Hua University, Department of Chemistry, TAIWAN
| | - Alice L Yu
- Chang Gung University, Institute of Stem Cell and Translational Cancer Research, TAIWAN
| | - Jung-Tung Hung
- Chang Gung University, Institute of Stem Cell and Translational Cancer Research, TAIWAN
| | - Chun-Cheng Lin
- National Tsing Hua University, Department of chemistry, 101 Sec. 2, Kuang Fu Rd, 30013, Hsinchu, TAIWAN
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Pherez-Farah A, López-Sánchez RDC, Villela-Martínez LM, Ortiz-López R, Beltrán BE, Hernández-Hernández JA. Sphingolipids and Lymphomas: A Double-Edged Sword. Cancers (Basel) 2022; 14:2051. [PMID: 35565181 PMCID: PMC9104519 DOI: 10.3390/cancers14092051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 04/14/2022] [Indexed: 11/24/2022] Open
Abstract
Lymphomas are a highly heterogeneous group of hematological neoplasms. Given their ethiopathogenic complexity, their classification and management can become difficult tasks; therefore, new approaches are continuously being sought. Metabolic reprogramming at the lipid level is a hot topic in cancer research, and sphingolipidomics has gained particular focus in this area due to the bioactive nature of molecules such as sphingoid bases, sphingosine-1-phosphate, ceramides, sphingomyelin, cerebrosides, globosides, and gangliosides. Sphingolipid metabolism has become especially exciting because they are involved in virtually every cellular process through an extremely intricate metabolic web; in fact, no two sphingolipids share the same fate. Unsurprisingly, a disruption at this level is a recurrent mechanism in lymphomagenesis, dissemination, and chemoresistance, which means potential biomarkers and therapeutical targets might be hiding within these pathways. Many comprehensive reviews describing their role in cancer exist, but because most research has been conducted in solid malignancies, evidence in lymphomagenesis is somewhat limited. In this review, we summarize key aspects of sphingolipid biochemistry and discuss their known impact in cancer biology, with a particular focus on lymphomas and possible therapeutical strategies against them.
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Affiliation(s)
- Alfredo Pherez-Farah
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey 64710, Nuevo Leon, Mexico
| | | | - Luis Mario Villela-Martínez
- Facultad de Medicina, Universidad Autónoma de Sinaloa, Culiacán Rosales 80030, Sinaloa, Mexico
- Hospital Fernando Ocaranza, ISSSTE, Hermosillo 83190, Sonora, Mexico
- Centro Médico Dr. Ignacio Chávez, ISSSTESON, Hermosillo 83000, Sonora, Mexico
| | - Rocío Ortiz-López
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey 64710, Nuevo Leon, Mexico
| | - Brady E Beltrán
- Hospital Edgardo Rebagliati Martins, Lima 15072, Peru
- Instituto de Investigaciones en Ciencias Biomédicas, Universidad Ricardo Palma, Lima 1801, Peru
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Deciphering the Importance of Glycosphingolipids on Cellular and Molecular Mechanisms Associated with Epithelial-to-Mesenchymal Transition in Cancer. Biomolecules 2021; 11:biom11010062. [PMID: 33418847 PMCID: PMC7824851 DOI: 10.3390/biom11010062] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/31/2020] [Accepted: 01/02/2021] [Indexed: 12/12/2022] Open
Abstract
Every living cell is covered with a dense and complex layer of glycans on the cell surface, which have important functions in the interaction between cells and their environment. Glycosphingolipids (GSLs) are glycans linked to lipid molecules that together with sphingolipids, sterols, and proteins form plasma membrane lipid rafts that contribute to membrane integrity and provide specific recognition sites. GSLs are subdivided into three major series (globo-, ganglio-, and neolacto-series) and are synthesized in a non-template driven process by enzymes localized in the ER and Golgi apparatus. Altered glycosylation of lipids are known to be involved in tumor development and metastasis. Metastasis is frequently linked with reversible epithelial-to-mesenchymal transition (EMT), a process involved in tumor progression, and the formation of new distant metastatic sites (mesenchymal-to-epithelial transition or MET). On a single cell basis, cancer cells lose their epithelial features to gain mesenchymal characteristics via mechanisms influenced by the composition of the GSLs on the cell surface. Here, we summarize the literature on GSLs in the context of reversible and cancer-associated EMT and discuss how the modification of GSLs at the cell surface may promote this process.
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Asano S, Pal R, Tanaka HN, Imamura A, Ishida H, Suzuki KGN, Ando H. Development of Fluorescently Labeled SSEA-3, SSEA-4, and Globo-H Glycosphingolipids for Elucidating Molecular Interactions in the Cell Membrane. Int J Mol Sci 2019; 20:ijms20246187. [PMID: 31817926 PMCID: PMC6941013 DOI: 10.3390/ijms20246187] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 11/28/2019] [Accepted: 12/03/2019] [Indexed: 01/02/2023] Open
Abstract
Glycosphingolipids (GSLs), such as the globo-series GSLs stage-specific embryonic antigen 3 (SSEA-3), SSEA-4, and Globo-H, are specifically expressed on pluripotent stem cells and cancer cells, and are known to be associated with various biological processes such as cell recognition, cell adhesion, and signal transduction. However, the behavior and biological roles of these GSLs are still unclear. In our previous study, we observed the interactions between the lipid raft and GSLs in real-time using single-molecule imaging, where we successfully synthesized various fluorescent analogs of GSLs (e.g., GM1 and GM3). Here, we have developed fluorescent analogs of SSEA-3, SSEA-4, and Globo-H using chemical synthesis. The biophysical properties of these analogs as raft markers were examined by partitioning giant plasma membrane vesicles from RBL-2H3 cells into detergent-resistant membrane fractions and liquid-ordered/liquid-disordered phases. The results indicated that the analogs were equivalent to native-type GSLs. The analogs could be used to observe the behavior of globo-series GSLs for detailing the structure and biological roles of lipid rafts and GSL-enriched nanodomains during cell differentiation and cell malignancy.
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Affiliation(s)
- Sachi Asano
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;
| | - Rita Pal
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;
| | - Hide-Nori Tanaka
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;
| | - Hideharu Ishida
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Kenichi G. N. Suzuki
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Correspondence: (K.G.N.S.); (H.A.)
| | - Hiromune Ando
- The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; (S.A.); (A.I.); (H.I.)
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Correspondence: (K.G.N.S.); (H.A.)
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7
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Oliveira I, Nunes A, Lima A, Borralho P, Rodrigues C, Ferreira RB, Ribeiro AC. New Lectins from Mediterranean Flora. Activity against HT29 Colon Cancer Cells. Int J Mol Sci 2019; 20:ijms20123059. [PMID: 31234551 PMCID: PMC6627736 DOI: 10.3390/ijms20123059] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/19/2019] [Accepted: 06/20/2019] [Indexed: 01/01/2023] Open
Abstract
Experiments conducted in vitro and in vivo, as well as some preclinical trials for cancer therapeutics, support the antineoplastic properties of lectins. A screening of antitumoral activity on HT29 colon cancer cells, based on polypeptide characterization and specific lectin binding to HT29 cells membrane receptors, was performed in order to assess the bioactivities present in four Mediterranean plant species: Juniperus oxycedrus subsp. oxycedrus, Juniperus oxycedrus subsp. badia, Arbutus unedo and Corema album. Total leaf proteins from each species were evaluated with respect to cell viability and inhibitory activities on HT29 cells (cell migration, matrix metalloproteinase –MMP proteolytic activities). A discussion is presented on a possible mechanism justifying the specific binding of lectins to HT29 cell receptors. All species revealed the presence of proteins with affinity to HT29 cell glycosylated receptors, possibly explaining the differential antitumor activity exhibited by the two most promising species, Juniperus oxycedrus subsp. badia and Arbutus unedo.
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Affiliation(s)
- Isabel Oliveira
- Department of Toxicological and Bromatological Sciences (DCTB), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
- Linking Landscape, Environment, Agriculture and Food (LEAF), Higher Institute of Agronomy, Universidade de Lisboa, 1349-017y Lisboa, Portugal.
| | - António Nunes
- Department of Toxicological and Bromatological Sciences (DCTB), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
- Linking Landscape, Environment, Agriculture and Food (LEAF), Higher Institute of Agronomy, Universidade de Lisboa, 1349-017y Lisboa, Portugal.
| | - Ana Lima
- Linking Landscape, Environment, Agriculture and Food (LEAF), Higher Institute of Agronomy, Universidade de Lisboa, 1349-017y Lisboa, Portugal.
| | - Pedro Borralho
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
| | - Cecília Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
| | - Ricardo Boavida Ferreira
- Linking Landscape, Environment, Agriculture and Food (LEAF), Higher Institute of Agronomy, Universidade de Lisboa, 1349-017y Lisboa, Portugal.
| | - Ana Cristina Ribeiro
- Department of Toxicological and Bromatological Sciences (DCTB), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
- Linking Landscape, Environment, Agriculture and Food (LEAF), Higher Institute of Agronomy, Universidade de Lisboa, 1349-017y Lisboa, Portugal.
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Signaling pathway of globo-series glycosphingolipids and β1,3-galactosyltransferase V (β3GalT5) in breast cancer. Proc Natl Acad Sci U S A 2019; 116:3518-3523. [PMID: 30808745 DOI: 10.1073/pnas.1816946116] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The globo-series glycosphingolipids (GSLs) SSEA3, SSEA4, and Globo-H specifically expressed on cancer cells are found to correlate with tumor progression and metastasis, but the functional roles of these GSLs and the key enzyme β1,3-galactosyltransferase V (β3GalT5) that converts Gb4 to SSEA3 remain largely unclear. Here we show that the expression of β3GalT5 significantly correlates with tumor progression and poor survival in patients, and the globo-series GSLs in breast cancer cells form a complex in membrane lipid raft with caveolin-1 (CAV1) and focal adhesion kinase (FAK) which then interact with AKT and receptor-interacting protein kinase (RIP), respectively. Knockdown of β3GalT5 disrupts the complex and induces apoptosis through dissociation of RIP from the complex to interact with the Fas death domain (FADD) and trigger the Fas-dependent pathway. This finding provides a link between SSEA3/SSEA4/Globo-H and the FAK/CAV1/AKT/RIP complex in tumor progression and apoptosis and suggests a direction for the treatment of breast cancer, as demonstrated by the combined use of antibodies against Globo-H and SSEA4.
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Inositol-C2-PAF acts as a biological response modifier and antagonizes cancer-relevant processes in mammary carcinoma cells. Cell Oncol (Dordr) 2018; 41:505-516. [PMID: 30047091 DOI: 10.1007/s13402-018-0387-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2018] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Previous studies have identified alkyl-phospholipids as promising compounds for cancer therapy by targeting constituents of the cell membrane and different signaling pathways. We previously showed that the alkylphospholipid Inositol-C2-PAF inhibits the proliferation and migration of immortalized keratinocytes and the squamous carcinoma-derived cell line SCC-25. Here, we investigated the effect of this compound on growth and motility as well as its mode of action in mammary carcinoma-derived cell lines. METHODS Using BrdU incorporation and haptotactic cell migration assays, we assessed the effects of Inositol-C2-PAF on MCF-7 and MBA-MB-231 cell proliferation and migration. The phosphorylation status of signaling molecules was investigated by Western blotting as well as indirect immunofluorescence analysis and capillary isoelectric focusing. RESULTS We found that Inositol-C2-PAF inhibited the growth as well as the migration in MCF-7 and MBA-MB-231 cells. Furthermore, we found that this compound inhibited phosphorylation of the protein kinase Akt at serine residue 473, but had no impact on phosphorylation at threonine 308. Phosphorylation of other kinases, such as Erk1/2, FAK and Src, which are targeted by Inositol-C2-PAF in other cells, remained unaffected by the compound in the mammary carcinoma-derived cell lines tested. In MCF-7 cells, we found that IGF-1-induced growth, as well as phosphorylation of AktS473, mTOR and the tumor suppressor pRB, was inhibited in the presence of Inositol-C2-PAF. Moreover, we found that in these cells IGF-1 had no impact on migration and did not seem to be linked to full Akt activity. Therefore, MCF-7 cell migration appears to be inhibited by Ino-C2-PAF in an Akt-independent manner. CONCLUSION The antagonistic effects of Inositol-C2-PAF on cell migration and proliferation are indicative for its potential for breast cancer therapy, alone or in combination with other cytostatic drugs.
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Wimalachandra D, Yang JX, Zhu L, Tan E, Asada H, Chan JY, Lee YH. Long-chain glucosylceramides crosstalk with LYN mediates endometrial cell migration. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:71-80. [DOI: 10.1016/j.bbalip.2017.10.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 10/10/2017] [Accepted: 10/11/2017] [Indexed: 01/07/2023]
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Carbohydrate-to-carbohydrate interactions between α2,3-linked sialic acids on α2 integrin subunits and asialo-GM1 underlie the bone metastatic behaviour of LNCAP-derivative C4-2B prostate cancer cells. Biosci Rep 2014; 34:BSR20140096. [PMID: 25137483 PMCID: PMC4166120 DOI: 10.1042/bsr20140096] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Complex interplays among proteins, lipids and carbohydrates can alter the phenotype and are suggested to have a crucial role in tumour metastasis. Our previous studies indicated that a complex of the GSLs (glycosphingolipids), AsGM1 (asialo-GM1), which lacks α2,3-linked sialic acid, and α2β1 integrin receptors is responsible for the metastatic behaviour of C4-2B prostate cancer cells. Herein, we identified and addressed the functional significance of changes in sialylation during prostate cancer progression. We observed an increase in α2,3-linked sialic acid residues on α2 subunits of α2β1 integrin receptors, correlating with increased gene expression of α2,3-STs (sialyltransferases), particularly ST3GAL3. Cell surface α2,3-sialylation of α2 subunits was required for the integrin α2β1-dependent cell adhesion to collagen type I and the same α2,3-linked sialic acid residues on the integrin receptor were responsible for the interaction with the carbohydrate moiety of AsGM1, explaining the complex formation between AsGM1 and α2β1 integrin receptors. These results provide novel insights into the role of sialic acids in the organization and function of important membrane components in invasion and metastatic processes.
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Jiménez-Salazar JE, Posadas-Rodríguez P, Lazzarini-Lechuga RC, Luna-López A, Zentella-Dehesa A, Gómez-Quiroz LE, Königsberg M, Domínguez-Gómez G, Damián-Matsumura P. Membrane-initiated estradiol signaling of epithelial-mesenchymal transition-associated mechanisms through regulation of tight junctions in human breast cancer cells. Discov Oncol 2014; 5:161-73. [PMID: 24771004 DOI: 10.1007/s12672-014-0180-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 04/09/2014] [Indexed: 02/07/2023] Open
Abstract
Tumor cells utilize inappropriate epithelial-mesenchymal transition (EMT) mechanisms during the invasive process. It is becoming increasingly clear that estradiol (E2) induces breast cancer cell progression and enhances EMT; however, the mechanisms associated with this are unclear. We investigated the role of E2 on the expression and intracellular localization of the tight junction (TJ)-associated proteins, zonula occluden 1 (ZO-1), ZO-1-associated nucleic acid binding (ZONAB), and occludin, on the activation of c-Src and human epidermal growth factor receptor 2 (HER2) expression and cellular migration in the estrogen receptor (ER)-positive breast cancer cell lines, MCF-7 and T47D. We demonstrated that 1 nM E2 elicits c-Src activation after 15 min. The p-Src/ZO-1 complex led to ZO-1 and ZONAB disruption at the TJ and increased expression of HER2 mRNAs. These changes correlate with decreased expression of the epithelial markers occludin and CRB3 and increased synthesis of N-cadherin. This led to increased MCF-7 cell migration induced by E2, even in the presence of a cell proliferation inhibitor. Incubation with ICI 182,780 (Fulvestrant), an ER antagonist, precluded the effects of E2 on c-Src phosphorylation, p-Src/ZO-1 complex formation, ZO-1/ZONAB nuclear translocation, and migration of MCF-7 cells. Our findings suggest that E2 promotes TJ disruption during tumor progression and increases cell motility. We propose a novel pathway where estrogens promote EMT-associated mechanisms that possibly lead to metastasis.
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Affiliation(s)
- Javier E Jiménez-Salazar
- Department of Biology of Reproduction, Universidad Autonoma Metropolitana (UAM), 09310, Mexico City, Mexico
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Stage-specific embryonic antigen-4 as a potential therapeutic target in glioblastoma multiforme and other cancers. Proc Natl Acad Sci U S A 2014; 111:2482-7. [PMID: 24550271 DOI: 10.1073/pnas.1400283111] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma multiforme (GBM), the grade IV astrocytoma, is the most common and aggressive brain tumor in adults. Despite advances in medical management, the survival rate of GBM patients remains poor, suggesting that identification of GBM-specific targets for therapeutic development is urgently needed. Analysis of several glycan antigens on GBM cell lines revealed that eight of 11 GBM cell lines are positive for stage-specific embryonic antigen-4 (SSEA-4), and immunohistochemical staining confirmed that 38/55 (69%) of human GBM specimens, but not normal brain tissue, were SSEA-4(+) and correlated with high-grade astrocytoma. In addition, an SSEA-4-specific mAb was found to induce complement-dependent cytotoxicity against SSEA-4(hi) GBM cell lines in vitro and suppressed GBM tumor growth in mice. Because SSEA-4 is expressed on GBM and many other types of cancers, but not on normal cells, it could be a target for development of therapeutic antibodies and vaccines.
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Fuentes TI, Appleby N, Tsay E, Martinez JJ, Bailey L, Hasaniya N, Kearns-Jonker M. Human neonatal cardiovascular progenitors: unlocking the secret to regenerative ability. PLoS One 2013; 8:e77464. [PMID: 24204836 PMCID: PMC3810469 DOI: 10.1371/journal.pone.0077464] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 09/03/2013] [Indexed: 01/07/2023] Open
Abstract
Although clinical benefit can be achieved after cardiac transplantation of adult c-kit+ or cardiosphere-derived cells for myocardial repair, these stem cells lack the regenerative capacity unique to neonatal cardiovascular stem cells. Unraveling the molecular basis for this age-related discrepancy in function could potentially transform cardiovascular stem cell transplantation. In this report, clonal populations of human neonatal and adult cardiovascular progenitor cells were isolated and characterized, revealing the existence of a novel subpopulation of endogenous cardiovascular stem cells that persist throughout life and co-express both c-kit and isl1. Epigenetic profiling identified 41 microRNAs whose expression was significantly altered with age in phenotypically-matched clones. These differences were correlated with reduced proliferation and a limited capacity to invade in response to growth factor stimulation, despite high levels of growth factor receptor on progenitors isolated from adults. Further understanding of these differences may provide novel therapeutic targets to enhance cardiovascular regenerative capacity.
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Affiliation(s)
- Tania I. Fuentes
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - Nancy Appleby
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - Eric Tsay
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - J. Julian Martinez
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - Leonard Bailey
- Department of Cardiothoracic Surgery, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - Nahidh Hasaniya
- Department of Cardiothoracic Surgery, Loma Linda University School of Medicine, Loma Linda, California, United States of America
| | - Mary Kearns-Jonker
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, California, United States of America
- * E-mail:
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15
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Hung TC, Lin CW, Hsu TL, Wu CY, Wong CH. Investigation of SSEA-4 binding protein in breast cancer cells. J Am Chem Soc 2013; 135:5934-7. [PMID: 23574147 DOI: 10.1021/ja312210c] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
SSEA-4, a sialyl-glycolipid, has been commonly used as a pluripotent human embryonic stem cell marker, and its expression is correlated with the metastasis of some malignant tumors. However, there is no in-depth functional study related to the receptor and the role of this glycolipid. Here, we report the identification of an SSEA-4-binding protein in a breast cancer cell line, MCF-7. By using affinity capture and glycan microarray techniques, the intracellular FK-506 binding protein 4 (FKBP4) was identified to bind directly to SSEA-4. The biological significance of SSEA-4/FKBP4 interaction was investigated.
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Affiliation(s)
- Ting-Chun Hung
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
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16
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Rabu C, McIntosh R, Jurasova Z, Durrant L. Glycans as targets for therapeutic antitumor antibodies. Future Oncol 2012; 8:943-60. [PMID: 22894669 DOI: 10.2217/fon.12.88] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Glycans represent a vast class of molecules that modify either proteins or lipids. They exert and regulate important and complex functions in both normal and cancer cell metabolism. As such, the most immunogenic glycans have been targeted in passive and active immunotherapy in human cancer for the past 25 years but it is only recently that techniques have become available to uncover novel glycan targets. The main focus of this review article is to highlight why and how monoclonal antibodies (mAbs) recognizing glycans, and in particular the glycans expressed on glycolipids, are being used in various strategies to target and kill cancer cells. The article reports on the historical use of mAbs and on very recent progress made in antitumor therapy using the anti-GD2 mAb and the antiganglioside mAbs, anti-N-glycolylneuraminic acid mAb and anti-Lewis mAb. Anti-GD2 is showing great promise in Phase III clinical trials in adjuvant treatment of neuroblastoma. Racotumomab, an anti-idiotypic mAb mimicking N-glycolylneuraminic acid-containing gangliosides, is currently being tested in a randomized, controlled Phase II/III clinical trial. This article also presents various strategies used by different groups to develop mAbs against these naturally poorly immunogenic glycans.
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Affiliation(s)
- Catherine Rabu
- Academic Department of Clinical Oncology, City Hospital Campus, University of Nottingham, Nottingham, NG5 1PB, UK
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17
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KUCHTA ANNAM, KELLY PHILIPM, STANTON CATHERINE, DEVERY ROSALEENA. Milk fat globule membrane - a source of polar lipids for colon health? A review. INT J DAIRY TECHNOL 2012. [DOI: 10.1111/j.1471-0307.2011.00759.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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18
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Patwardhan GA, Liu YY. Sphingolipids and expression regulation of genes in cancer. Prog Lipid Res 2010; 50:104-14. [PMID: 20970453 DOI: 10.1016/j.plipres.2010.10.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Revised: 10/05/2010] [Accepted: 10/11/2010] [Indexed: 12/29/2022]
Abstract
Sphingolipids including glycosphingolipids have myriad effects on cell functions and affect cancer in aspects of tumorigenesis, metastasis and tumor response to treatments. Bioactive ones like ceramide, sphingosine 1-phosphate and globotriaosylceramide initiate and process cellular signaling to alter cell behaviors immediately responding to oncogenic stress or treatment challenges. Recent studies pinpoint that sphingolipid-mediated gene expression has long and profound impacts on cancer cells, and these play crucial roles in tumor progression and in treatment outcome. More than 10 sphingolipids and glycosphingolipids selectively mediate expressions of approximately 50 genes including c-myc, p21, c-fos, telomerase reverse transcriptase, caspase-9, Bcl-x, cyclooxygenase-2, matrix metalloproteinases, integrins, Oct-4, glucosylceramide synthase and multidrug-resistant gene 1. By diverse functions of these genes, sphingolipids enduringly affect cellular processes of mitosis, apoptosis, migration, stemness of cancer stem cells and cellular resistance to therapies. Mechanistic studies indicate that sphingolipids regulate particular gene expression by modulating phosphorylation and acetylation of proteins that serve as transcription factors (β-catenin, Sp1), repressor of transcription (histone H3), and regulators (SRp30a) in RNA splicing. Disclosing molecular mechanisms by which sphingolipids selectively regulate particular gene expression, instead of other relevant ones, requires understanding of the exact roles of individual lipid instead of a group, the signaling pathways that are implicated in and interaction with proteins or other lipids in details. These studies not only expand our knowledge of sphingolipids, but can also suggest novel targets for cancer treatments.
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Affiliation(s)
- Gauri A Patwardhan
- Department of Basic Pharmaceutical Sciences, University of Louisiana at Monroe, 700 University Avenue, Monroe, LA 71209, USA
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19
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Liu YY, Gupta V, Patwardhan GA, Bhinge K, Zhao Y, Bao J, Mehendale H, Cabot MC, Li YT, Jazwinski SM. Glucosylceramide synthase upregulates MDR1 expression in the regulation of cancer drug resistance through cSrc and beta-catenin signaling. Mol Cancer 2010; 9:145. [PMID: 20540746 PMCID: PMC2903501 DOI: 10.1186/1476-4598-9-145] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2009] [Accepted: 06/11/2010] [Indexed: 12/04/2022] Open
Abstract
Background Drug resistance is the outcome of multiple-gene interactions in cancer cells under stress of anticancer agents. MDR1 overexpression is most commonly detected in drug-resistant cancers and accompanied with other gene alterations including enhanced glucosylceramide synthase (GCS). MDR1 encodes for P-glycoprotein that extrudes anticancer drugs. Polymorphisms of MDR1 disrupt the effects of P-glycoprotein antagonists and limit the success of drug resistance reversal in clinical trials. GCS converts ceramide to glucosylceramide, reducing the impact of ceramide-induced apoptosis and increasing glycosphingolipid (GSL) synthesis. Understanding the molecular mechanisms underlying MDR1 overexpression and how it interacts with GCS may find effective approaches to reverse drug resistance. Results MDR1 and GCS were coincidently overexpressed in drug-resistant breast, ovary, cervical and colon cancer cells; silencing GCS using a novel mixed-backbone oligonucleotide (MBO-asGCS) sensitized these four drug-resistant cell lines to doxorubicin. This sensitization was correlated with the decreased MDR1 expression and the increased doxorubicin accumulation. Doxorubicin treatment induced GCS and MDR1 expression in tumors, but MBO-asGCS treatment eliminated "in-vivo" growth of drug-resistant tumor (NCI/ADR-RES). MBO-asGCS suppressed the expression of MDR1 with GCS and sensitized NCI/ADR-RES tumor to doxorubicin. The expression of P-glycoprotein and the function of its drug efflux of tumors were decreased by 4 and 8 times after MBO-asGCS treatment, even though this treatment did not have a significant effect on P-glycoprotein in normal small intestine. GCS transient transfection induced MDR1 overexpression and increased P-glycoprotein efflux in dose-dependent fashion in OVCAR-8 cancer cells. GSL profiling, silencing of globotriaosylceramide synthase and assessment of signaling pathway indicated that GCS transfection significantly increased globo series GSLs (globotriaosylceramide Gb3, globotetraosylceramide Gb4) on GSL-enriched microdomain (GEM), activated cSrc kinase, decreased β-catenin phosphorylation, and increased nuclear β-catenin. These consequently increased MDR1 promoter activation and its expression. Conversely, MBO-asGCS treatments decreased globo series GSLs (Gb3, Gb4), cSrc kinase and nuclear β-catenin, and suppressed MDR-1 expression in dose-dependent pattern. Conclusion This study demonstrates, for the first time, that GCS upregulates MDR1 expression modulating drug resistance of cancer. GSLs, in particular globo series GSLs mediate gene expression of MDR1 through cSrc and β-catenin signaling pathway.
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Affiliation(s)
- Yong-Yu Liu
- Department of Basic Pharmaceutical Sciences, University of Louisiana at Monroe, Monroe, Louisiana 71209, USA.
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20
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Van Slambrouck S, Jenkins AR, Romero AE, Steelant WFA. Reorganization of the integrin alpha2 subunit controls cell adhesion and cancer cell invasion in prostate cancer. Int J Oncol 2009; 34:1717-26. [PMID: 19424590 PMCID: PMC3235691 DOI: 10.3892/ijo_00000302] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The mechanisms of invasion and metastasis are poorly understood. Our previous studies demonstrated that cancer cell invasion may result from reorganization of membrane molecules, thereby initiating signaling pathways. To increase our understanding on how cancer cells govern metastases we studied the established LNCaP prostate cancer progression model. Herein we show that the bone metastatic derivative cell line, C4-2B, displays changes in adhesion to collagen type I and invasion into collagen type I. Moreover, we found that these changes were concomitant with activation of the FAK/src/paxillin/Rac/JNK signaling pathway and increased activity of matrix metalloproteinases (MMPs)-2 and -9. Inhibition of src and JNK resulted in inhibition of adhesion and invasion, and deactivation of the signaling molecules in the identified pathway as well as reduced activity of MMPs. Additionally, we found a pivotal role for the integrin alpha2 subunit since lateral redistribution and clustering were responsible for activation of the downstream signaling and function blocking of the integrin alpha2 subunit resulted in poor adhesion and inhibition of invasion. In conclusion, our results suggest that invasion of prostate cancer cells can be ascribed to reorganization and clustering of integrin alpha2 subunits, resulting in activation of associated FAK/src/paxillin/Rac/JNK, leading to increased activity of MMPs and thus invasion.
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Affiliation(s)
- Severine Van Slambrouck
- Department of Chemistry, Laboratory of Biochemical and Biomedical Research, New Mexico Tech, Socorro, NM 87801, USA.
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Katagiri YU, Sato B, Miyado K, Akutsu H, Okita H, Umezawa A, Fujimoto J, Kiyokawa N. Functional Significance of Stage-Specific Embryonic Antigens in the Development of Preimplantation Embryos. TRENDS GLYCOSCI GLYC 2008. [DOI: 10.4052/tigg.20.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Sato B, Katagiri YU, Miyado K, Akutsu H, Miyagawa Y, Horiuchi Y, Nakajima H, Okita H, Umezawa A, Hata JI, Fujimoto J, Toshimori K, Kiyokawa N. Preferential localization of SSEA-4 in interfaces between blastomeres of mouse preimplantaion embryos. Biochem Biophys Res Commun 2007; 364:838-43. [DOI: 10.1016/j.bbrc.2007.10.093] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2007] [Accepted: 10/15/2007] [Indexed: 01/29/2023]
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