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Kros JM, Mustafa DM, Dekker LJM, Sillevis Smitt PAE, Luider TM, Zheng PP. Circulating glioma biomarkers. Neuro Oncol 2014; 17:343-60. [PMID: 25253418 DOI: 10.1093/neuonc/nou207] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 07/13/2014] [Indexed: 02/06/2023] Open
Abstract
Validated biomarkers for patients suffering from gliomas are urgently needed for standardizing measurements of the effects of treatment in daily clinical practice and trials. Circulating body fluids offer easily accessible sources for such markers. This review highlights various categories of tumor-associated circulating biomarkers identified in blood and cerebrospinal fluid of glioma patients, including circulating tumor cells, exosomes, nucleic acids, proteins, and oncometabolites. The validation and potential clinical utility of these biomarkers is briefly discussed. Although many candidate circulating protein biomarkers were reported, none of these have reached the required validation to be introduced for clinical practice. Recent developments in tracing circulating tumor cells and their derivatives as exosomes and circulating nuclear acids may become more successful in providing useful biomarkers. It is to be expected that current technical developments will contribute to the finding and validation of circulating biomarkers.
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Affiliation(s)
- Johan M Kros
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
| | - Dana M Mustafa
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
| | - Lennard J M Dekker
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
| | - Peter A E Sillevis Smitt
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
| | - Theo M Luider
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
| | - Ping-Pin Zheng
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., P.-P.Z.); Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands (L.J.M.D., P.A.E.S.S., T.M.L.); Brain Tumor Center Rotterdam, Erasmus Medical Center, Rotterdam, The Netherlands (J.M.K., D.M.M., L.J.M.D., P.A.E.S.S., T.M.L., P.-P.Z.)
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Akiyama Y, Jung S, Salhia B, Lee S, Hubbard S, Taylor M, Mainprize T, Akaishi K, van Furth W, Rutka JT. Hyaluronate receptors mediating glioma cell migration and proliferation. J Neurooncol 2001; 53:115-27. [PMID: 11716065 DOI: 10.1023/a:1012297132047] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The extracellular matrix (ECM) of the central nervous system (CNS) is enriched in hyaluronate (HA). Ubiquitous receptors for HA are CD44 and the Receptor for HA-Mediated Motility known as RHAMM. In the present study, we have investigated the potential role of CD44 and RHAMM in the migration and proliferation of human astrocytoma cells. HA-receptor expression in brain tumor cell lines and surgical specimens was determined by immunocytochemistry and western blot analyses. The ability of RHAMM to bind ligand was determined through cetylpyridinium chloride (CPC) precipitations of brain tumor lysates in HA-binding assays. The effects of HA, CD44 blocking antibodies, and RHAMM soluble peptide on astrocytoma cell growth and migration was determined using MTT and migration assays. Our results show that the expression of the HA-receptors, CD44, and RHAMM, is virtually ubiquitous amongst glioma cell lines, and glioma tumor specimens. There was a gradient of expression amongst gliomas with high grade gliomas expressing more RHAMM and CD44 than did lower grade lesions or did normal human astrocytes or non-neoplastic specimens of human brain. Specific RHAMM variants of 85- and 58-kDa size were shown to bind avidly to HA following CPC precipitations. RHAMM soluble peptide inhibited glioma cell line proliferation in a dose-dependent fashion. Finally, while anti-CD44 antibodies did not inhibit the migration of human glioma cells, soluble peptides directed at the HA-binding domain of RHAMM inhibited glioma migration both on and off an HA-based ECM. These data support the notion that HA-receptors contribute to brain tumor adhesion, proliferation, and migration, biological features which must be better understood before more effective treatment strategies for these tumors can be found.
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Affiliation(s)
- Y Akiyama
- Arthur and Sonia Labatt Brain Tumor Research Centre and the Division of Neurosurgery The Hospital for Sick Children, University of Toronto, Ontario, Canada
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Kishima H, Shimizu K, Tamura K, Miyao Y, Mabuchi E, Tominaga E, Matsuzaki J, Hayakawa T. Monoclonal antibody ONS-M21 recognizes integrin alpha3 in gliomas and medulloblastomas. Br J Cancer 1999; 79:333-9. [PMID: 9888477 PMCID: PMC2362207 DOI: 10.1038/sj.bjc.6690053] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The monoclonal antibody ONS-M21 recognizes an antigen found on the surface of glioma and medulloblastoma cells but does not react with the antigens of normal brain tissue. We purified and identified the 140-kDa protein by means of an antibody-binding affinity column. This 140-kDa antigen has sequences homologous to the amino-terminal region and five parts of the internal domain of integrin alpha3. When the integrin alpha3-related sequences was amplified and used to analyse the mRNA of glioma and medulloblastoma surgical specimens, the transcription level of integrin alpha3 mRNA appeared to be quantitatively correlated with the grade of malignancy. These findings suggest that the ONS-M21 antibody, which reacts with integrin alpha3, might be useful in the diagnosis of gliomas and medulloblastomas.
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Affiliation(s)
- H Kishima
- Department of Neurosurgery, Osaka University Medical School, Suita, Japan
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Naor D, Sionov RV, Ish-Shalom D. CD44: structure, function, and association with the malignant process. Adv Cancer Res 1997; 71:241-319. [PMID: 9111868 DOI: 10.1016/s0065-230x(08)60101-3] [Citation(s) in RCA: 694] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
CD44 is a ubiquitous multistructural and multifunctional cells surface adhesion molecule involved in cell-cell and cell-matrix interactions. Twenty exons are involved in the genomic organization of this molecule. The first five and the last 5 exons are constant, whereas the 10 exons located between these regions are subjected to alternative splicing, resulting in the generation of a variable region. Differential utilization of the 10 variable region exons, as well as variations in N-glycosylation, O-glycosylation, and glycosaminoglycanation (by heparan sulfate or chondroitin sulfate), generate multiple isoforms (at least 20 are known) of different molecular sizes (85-230 kDa). The smallest CD44 molecule (85-95 kDa), which lacks the entire variable region, is standard CD44 (CD44s). As it is expressed mainly on cells of lymphohematopoietic origin, CD44s is also known as hematopoietic CD44 (CD44H). CD44s is a single-chain molecule composed of a distal extracellular domain (containing, the ligand-binding sites), a membrane-proximal region, a transmembrane-spanning domain, and a cytoplasmic tail. The molecular sequence (with the exception of the membrane-proximal region) displays high interspecies homology. After immunological activation, T lymphocytes and other leukocytes transiently upregulate CD44 isoforms expressing variant exons (designated CD44v). A CD44 isform containing the last 3 exon products of the variable region (CD44V8-10, also known as epithelial CD44 or CD44E), is preferentially expressed on epithelial cells. The longest CD44 isoform expressing in tandem eight exons of the variable region (CD44V3-10) was detected in keratinocytes. Hyaluronic acid (HA), an important component of the extracellular matrix (ECM), is the principal, but by no means the only, ligand of CD44. Other CD44 ligands include the ECM components collagen, fibronectin, laminin, and chondroitin sulfate. Mucosal addressin, serglycin, osteopontin, and the class II invariant chain (Ii) are additional, ECM-unrelated, ligands of the molecule. In many, but not in all cases, CD44 does not bind HA unless it is stimulated by phorbol esters, activated by agonistic anti-CD44 antibody, or deglycosylated (e.g., by tunicamycin). CD44 is a multifunctional receptor involved in cell-cell and cell-ECM interactions, cell traffic, lymph node homing, presentation of chemokines and growth factors to traveling cells, and transmission of growth signals. CD44 also participates in the uptake and intracellular degradation of HA, as well as in transmission of signals mediating hematopoiesis and apoptosis. Many cancer cell types as well as their metastases express high levels of CD44. Whereas some tumors, such as gliomas, exclusively express standard CD44, other neoplasms, including gastrointestinal cancer, bladder cancer, uterine cervical cancer, breast cancer and non-Hodgkin's lymphomas, also express CD44 variants. Hence CD44, particularly its variants, may be used as diagnostic or prognostic markers of at least some human malignant diseases. Furthermore, it has been shown in animal models that injection of reagents interfering with CD44-ligand interaction (e.g., CD44s- or CD44v-specific antibodies) inhibit local tumor growth and metastatic spread. These findings suggest that CD44 may confer a growth advantage on some neoplastic cells and, therefore, could be used as a target for cancer therapy. It is hoped that identification of CD44 variants expressed on cancer but not on normal cells will lead to the development of anti-CD44 reagents restricted to the neoplastic growth.
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Affiliation(s)
- D Naor
- Lautenberg Center for General and Tumor Immunology, Hebrew University-Hadassah Medical School, Jerusalem, Israel
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Okada H, Yoshida J, Sokabe M, Wakabayashi T, Hagiwara M. Suppression of CD44 expression decreases migration and invasion of human glioma cells. Int J Cancer 1996; 66:255-60. [PMID: 8603821 DOI: 10.1002/(sici)1097-0215(19960410)66:2<255::aid-ijc20>3.0.co;2-a] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
We have reported high expression of CD44H in human glioma cells. To investigate the role of CD44H in the invasion of human glioma, we established a CD44-anti-sense-gene-expression glioma cell line named U-251A1. The expression of CD44H in the G-418-selected U-251A1 cells was reduced to 20% of that in the parental U-251SP cells, as determined by flow-cytometry analysis. We first examined the migratory responses of U-251A1 cells in vitro by time-lapse video-microscopic sparse cell-migration assay on hyaluronic acid or on chondroitin 6 sulfate. U-251A1 cells did not show significant differences in motility on any substrate, while U-251SP and other CD44H-positive cells showed dose-dependent increase of migration specifically on hyaluronic acid. To examine the physiologic function of CD44H in gliomas in vivo, U-251A1 and its control cells, U-251S1, which retain CD44-sense-expression vector, were injected stereotactically into the brains of nude mice. U-251A1 cells were localised in the region of the injection site, with relatively well demarcated borders between tumour and brain tissue, while the control cells demonstrated a cell-infiltration pattern. Our data suggest that CD44H may be required for infiltration of glioma cells through its interaction with hyaluronic acid, a major component of the brain extracellular matrix.
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Affiliation(s)
- H Okada
- Department of Neurosurgery, Nagoya University School of Medicine, Nagoya, Japan
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