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Abd Elhakeem AAE, Essa AA, Soliman RK, Hamdan ARK. Novel evaluation of the expression patterns CD44 and MMP9 proteins in intracranial meningiomas and their relationship to the overall survival. EGYPTIAN JOURNAL OF NEUROSURGERY 2022. [DOI: 10.1186/s41984-022-00173-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Abstract
Background
Meningiomas are common primary brain neoplasms. CD44 is a cell surface glycoprotein receptor that is involved in matrix-mediated cell signaling and cell–matrix adhesion. Matrix metalloproteinase-9 (MMP-9) plays important role in angiogenesis and tumor invasion. The expression of CD44 protein membranous and cytoplasmic (CD44M and CD44C) has been reported in several tumors (such as lobular carcinoma, renal cell carcinoma, sinonasal melanoma, and lymphoma) except CNS tumors.
Methods
This study addressed the expression of CD44M and CD44C and MMP9 proteins in intracranial meningiomas and their relationship to overall survival. The expression patterns of CD44M&C and MMP-9 proteins were examined in 32 cases of benign meningiomas, 12 cases of atypical meningiomas, and 6 cases of anaplastic meningiomas using immunohistochemical staining methods.
Results
There was more evidence of CD44M expression in atypical and anaplastic meningioma (p = < 0.001). Interestingly, Spearman correlation analyses revealed significant positive correlation between CD44M and MMP9 protein (r = 0.572, p = < 0.001) in spite of the negative correlation between MMP9 and CD44 score (r = − 0.035 p = 0.405). There was a significant association between Ki67 protein expression and the grade of meningiomas (p < 0.001) and gender (p = 0.026). There was a significant correlation between overall survival (OS) and age, gender, tumor grade, and Ki-67.
Conclusions
Extensive CD44M expression in high-grade meningioma may reflect a tendency toward more invasive power of meningioma cells into surrounding structures (dura, bone, and brain).CD44M/MMP-9 axis presented by this study is open for future investigations.
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Guadarrama-Ortíz P, Montes de Oca-Vargas I, Choreño-Parra JA, Gallegos-Garza C, Sánchez-Garibay C, Garibay-Gracián A, Salinas-Lara C, Guinto G. Expression of IL-6 and matrix metalloproteinases in a convexity meningiomas with hyperostosis: Case report. INTERDISCIPLINARY NEUROSURGERY 2022. [DOI: 10.1016/j.inat.2021.101374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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von Spreckelsen N, Kesseler C, Brokinkel B, Goldbrunner R, Perry A, Mawrin C. Molecular neuropathology of brain-invasive meningiomas. Brain Pathol 2022; 32:e13048. [PMID: 35213084 PMCID: PMC8877755 DOI: 10.1111/bpa.13048] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 12/24/2022] Open
Abstract
Invasion of brain tissue by meningiomas has been identified as one key factor for meningioma recurrence. The identification of meningioma tumor tissue surrounded by brain tissue in neurosurgical samples has been touted as a criterion for atypical meningioma (CNS WHO grade 2), but is only rarely seen in the absence of other high-grade features, with brain-invasive otherwise benign (BIOB) meningiomas remaining controversial. While post-surgery irradiation therapy might be initiated in brain-invasive meningiomas to prevent recurrences, specific treatment approaches targeting key molecules involved in the invasive process are not established. Here we have compiled the current knowledge about mechanisms supporting brain tissue invasion by meningiomas and summarize preclinical models studying targeted therapies with potential inhibitory effects.
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Affiliation(s)
- Niklas von Spreckelsen
- Department of Neuropathology, University Hospital Magdeburg, Magdeburg, Germany.,Department of General Neurosurgery, Center for Neurosurgery, Cologne University Hospital, Faculty of Medicine and University Hospital, University of Cologne, Germany
| | - Christoph Kesseler
- Department of Neuropathology, University Hospital Magdeburg, Magdeburg, Germany
| | - Benjamin Brokinkel
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
| | - Roland Goldbrunner
- Department of General Neurosurgery, Center for Neurosurgery, Cologne University Hospital, Faculty of Medicine and University Hospital, University of Cologne, Germany
| | - Arie Perry
- Department of Pathology, UCSF, San Francisco, California, USA.,Department of Neurological Surgery, UCSF, San Francisco, California, USA
| | - Christian Mawrin
- Department of Neuropathology, University Hospital Magdeburg, Magdeburg, Germany
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Meningioma-Brain Crosstalk: A Scoping Review. Cancers (Basel) 2021; 13:cancers13174267. [PMID: 34503077 PMCID: PMC8428351 DOI: 10.3390/cancers13174267] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/18/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
Background: In recent years, it has become evident that the tumoral microenvironment (TME) plays a key role in the pathogenesis of various cancers. In meningiomas, however, the TME is poorly understood, and it is unknown if glia cells contribute to meningioma growth and behaviour. Objective: This scoping review investigates if the literature describes and substantiates tumour-brain crosstalk in meningiomas and summarises the current evidence regarding the role of the brain parenchyma in the pathogenesis of meningiomas. Methods: We identified studies through the electronic database PubMed. Articles describing glia cells and cytokines/chemokines in meningiomas were selected and reviewed. Results: Monocytes were detected as the most abundant infiltrating immune cells in meningiomas. Only brain-invasive meningiomas elicited a monocytic response at the tumour-brain interface. The expression of cytokines/chemokines in meningiomas has been studied to some extent, and some of them form autocrine loops in the tumour cells. Paracrine interactions between tumour cells and glia cells have not been explored. Conclusion: It is unknown to what extent meningiomas elicit an immune response in the brain parenchyma. We speculate that tumour-brain crosstalk might only be relevant in cases of invasive meningiomas that disrupt the pial-glial basement membrane.
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Brain-invasive meningiomas: molecular mechanisms and potential therapeutic options. Brain Tumor Pathol 2021; 38:156-172. [PMID: 33903981 DOI: 10.1007/s10014-021-00399-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 04/07/2021] [Indexed: 02/07/2023]
Abstract
Meningiomas are the most commonly diagnosed benign intracranial adult tumors. Subsets of meningiomas that present with extensive invasion into surrounding brain areas have high recurrence rates, resulting in difficulties for complete resection, substantially increased mortality of patients, and are therapeutically challenging for neurosurgeons. Exciting new data have provided insights into the understanding of the molecular machinery of invasion. Moreover, clinical trials for several novel approaches have been launched. Here, we will highlight the mechanisms which govern brain invasion and new promising therapeutic approaches for brain-invasive meningiomas, including pharmacological approaches targeting three major aspects of tumor cell invasion: extracellular matrix degradation, cell adhesion, and growth factors, as well as other innovative treatments such as immunotherapy, hormone therapy, Tumor Treating Fields, and biodegradable copolymers (wafers), impregnated chemotherapy. Those ongoing studies can offer more diversified possibilities of potential treatments for brain-invasive meningiomas, and help to increase the survival benefits for patients.
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Murase M, Tamura R, Kuranari Y, Sato M, Ohara K, Morimoto Y, Yoshida K, Toda M. Novel histopathological classification of meningiomas based on dural invasion. J Clin Pathol 2020; 74:238-243. [PMID: 32546547 DOI: 10.1136/jclinpath-2020-206592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 11/03/2022]
Abstract
AIMS Histological invasion into the adjacent brain parenchyma is frequently investigated in meningioma because it is an important morphological criterion for grade II meningioma according to the 2016 WHO classification. However, few studies have focused on dural invasion of meningiomas. Herein, we propose a novel histopathological classification based on dural invasion of meningiomas. METHODS Forty-nine cases with WHO grade I meningiomas who underwent Simpson grade I removal were collected. After the meningeal layer (ML) and periosteal layer (PL) of dura mater were visualised by Masson's trichrome stain, we evaluated the depth (to the ML and PL) and the patterns (1, expanding; 2, infiltrating) of dural invasion of meningiomas using serial paraffin sections. Invasion-associated markers, including Ki-67, matrix metalloproteinase (MMP)-1, MMP-9 and MMP-13, aquaporin 1 and Na-K-2Cl cotransporter, were quantitatively analysed by immunohistochemistry. RESULTS Thirty-five cases (71.4%) showed the dural invasion. In 27 of these 35 cases (77.1%), dural invasion was localised in ML. Type 1 (expanding type) and type 2 (infiltrating type) invasions were observed in 23 and 12 cases, respectively. The recurrence rate in cases with type 2 invasion was significantly higher than that in cases with type 1 invasion. The percentage of MMP-1-positive tumour cells was also significantly higher in cases with dural invasion than those without, suggesting involvement of MMP-1 in dural invasion. CONCLUSIONS We quantitatively evaluated the depth and patterns of dural invasion in meningiomas. The patterns of dural invasion were associated with meningioma recurrence.
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Affiliation(s)
- Makoto Murase
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Ryota Tamura
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yuki Kuranari
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Mizuto Sato
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Kentaro Ohara
- Department of Pathology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yukina Morimoto
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Kazunari Yoshida
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Masahiro Toda
- Department of Neurosurgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
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Abstract
More than one-third of patients with meningiomas will experience seizures at some point in their disease. Despite this, meningioma-associated epilepsy remains significantly understudied, as most investigations focus on tumor progression, extent of resection, and survival. Due to the impact of epilepsy on the patient's quality of life, identifying predictors of preoperative seizures and postoperative seizure freedom is critical. In this chapter, we review previously reported rates and predictors of seizures in meningioma and discuss surgical and medical treatment options. Preoperative epilepsy occurs in approximately 30% of meningioma patients with peritumoral edema on neuroimaging being one of the most significant predictor of seizures. Other associated factors include age <18, male gender, the absence of headache, and non-skull base tumor location. Following tumor resection, approximately 70% of individuals with preoperative epilepsy achieve seizure freedom. Variables associated with persistent seizures include a history of preoperative epilepsy, peritumoral edema, skull base tumor location, tumor progression, and epileptiform discharges on postoperative electroencephalogram. In addition, after surgery, approximately 10% of meningioma patients without preoperative epilepsy experience new seizures. Variables associated with new postoperative seizures include tumor progression, prior radiation exposure, and gross total tumor resection. Both pre- and postoperative meningioma-related seizures are often responsive to antiepileptic drugs (AEDs), although AED prophylaxis in the absence of seizures is not recommended. AED selection is based on current guidelines for treating focal seizures with additional considerations including efficacy in tumor-related epilepsy, toxicities, and potential drug-drug interactions. Continued investigation into medical and surgical strategies for preventing and alleviating epilepsy in meningioma is warranted.
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Affiliation(s)
- Stephen C Harward
- Department of Neurosurgery, Duke University School of Medicine, Durham, NC, United States
| | - John D Rolston
- Department of Neurosurgery, University of Utah, Salt Lake City, UT, United States
| | - Dario J Englot
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, United States.
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Meningioma Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1296:33-48. [PMID: 34185285 DOI: 10.1007/978-3-030-59038-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
The tumor microenvironment consists of noncancerous cells, such as immune cells and fibroblasts, and the proteins produced by these cells as well as the extracellular matrix components in the environment around a tumor. Tumor influences the behavior of the cells present in the surrounding environment, while the cells in the tumor microenvironment modulate the evolution of the tumor. Little is known about the microenvironment of meningioma, the most common benign intracranial tumor. Here, we review the current knowledge of the tumor microenvironment of meningioma and discusses its importance in meningioma tumorigenesis as well as in the designation of novel therapeutic approaches.
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Roy R, Morad G, Jedinak A, Moses MA. Metalloproteinases and their roles in human cancer. Anat Rec (Hoboken) 2019; 303:1557-1572. [PMID: 31168956 DOI: 10.1002/ar.24188] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/27/2018] [Accepted: 03/04/2019] [Indexed: 02/06/2023]
Abstract
It is now widely appreciated that members of the matrix metalloproteinase (MMP) family of enzymes play a key role in cancer development and progression along with many of the hallmarks associated with them. The activity of these enzymes has been directly implicated in extracellular matrix remodeling, the processing of growth factors and receptors, the modulation of cell migration, proliferation, and invasion, the epithelial to mesenchymal transition, the regulation of immune responses, and the control of angiogenesis. Certain MMP family members have been validated as biomarkers of a variety of human cancers including those of the breast, brain, pancreas, prostate, ovary, and others. The related metalloproteinases, the A disintegrin and metalloproteinases (ADAMs), share a number of these functions as well. Here, we explore these essential metalloproteinases and some of their disease-associated activities in detail as well as some of their complementary translational potential. Anat Rec, 2019. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Roopali Roy
- The Vascular Biology Program, Boston Children's Hospital and the Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Golnaz Morad
- The Vascular Biology Program, Boston Children's Hospital and the Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Andrej Jedinak
- The Vascular Biology Program, Boston Children's Hospital and the Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Marsha A Moses
- The Vascular Biology Program, Boston Children's Hospital and the Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
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Michiwaki Y, Hata N, Amano T, Suzuki SO, Akagi Y, Kuga D, Onozuka D, Momosaki S, Nakamizo A, Yoshimoto K, Iwaki T, Iihara K. Predictors of recurrence and postoperative outcomes in patients with non-skull base meningiomas based on modern neurosurgical standards. INTERDISCIPLINARY NEUROSURGERY 2019. [DOI: 10.1016/j.inat.2018.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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11
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Ozek E, Ozcan D, Celik SE, Iplikcioglu AC. Matrix metalloprotease-9 expresssion in meningioma: Correlation with growth fraction and role of gender. A pilot immunohistochemical study. Clin Neurol Neurosurg 2018; 172:169-173. [PMID: 30021149 DOI: 10.1016/j.clineuro.2018.07.002] [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] [Received: 04/28/2018] [Revised: 06/28/2018] [Accepted: 07/01/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVE Matrix metalloproteases (MMPs), particularly MMP2 and MMP9 increase tumor invasion and edema in meningiomas. Although lesser recognized, MMPs may also enhance cell growth via liberating growth factors or via cleaving inactive growth factors into active isoforms. However, there exist very few studies, which investigated correlation of MMPs with growth fraction in meningiomas. Meningiomas are seen more frequently in women and their growth accelarate during pregnancy. However, no study examined whether MMP-expressions in meningioma differ with gender. PATIENTS AND METHODS In a pilot immunohistochemical study, we analyzed the correlation of MMP9 expression with Ki67 index and whether gender influences MMP9 expression. We retrospectively selected 24 meningioma cases including 10 cases with WHO Grade-1 tumors and 7 cases each with WHO Grade-2 and 3 tumors, respectively. RESULTS We separately determined the intensity and area of MMP9 staining and also calculated an expression index by multiplying these two parameters. Spearman correlation analyses revealed that MMP9 staining intensity, staining area and expression index significantly correlated with Ki67 proliferation index. MMP9 staining indices were significantly higher in women specimens. CONCLUSION If these findings will be confirmed in larger series, MMP-inhibitors and female hormone receptor-antagonists may be combined to augment chemotherapy efficacy and to attenuate invasion in high-grade meningiomas.
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Affiliation(s)
- Erdinc Ozek
- Neurosurgery Department, Bezmialem Vakif University, Fatih, Istanbul, Turkey.
| | - Deniz Ozcan
- Pathology Department, Okmeydani Training and Research Hospital, Sisli, Istanbul, Turkey
| | - Suat Erol Celik
- Neurosurgery Department, Okmeydani Training and Research Hospital, Sisli, Istanbul, Turkey
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Pathogenesis of peri-tumoral edema in intracranial meningiomas. Neurosurg Rev 2017; 42:59-71. [DOI: 10.1007/s10143-017-0897-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/23/2017] [Accepted: 08/18/2017] [Indexed: 12/21/2022]
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Rooprai HK, Martin AJ, King A, Appadu UD, Jones H, Selway RP, Gullan RW, Pilkington GJ. Comparative gene expression profiling of ADAMs, MMPs, TIMPs, EMMPRIN, EGF-R and VEGFA in low grade meningioma. Int J Oncol 2016; 49:2309-2318. [DOI: 10.3892/ijo.2016.3739] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Accepted: 06/06/2016] [Indexed: 11/06/2022] Open
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Spille DC, Heß K, Sauerland C, Sanai N, Stummer W, Paulus W, Brokinkel B. Brain Invasion in Meningiomas: Incidence and Correlations with Clinical Variables and Prognosis. World Neurosurg 2016; 93:346-54. [PMID: 27344043 DOI: 10.1016/j.wneu.2016.06.055] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 06/13/2016] [Accepted: 06/14/2016] [Indexed: 02/05/2023]
Abstract
OBJECTIVE In meningioma, correlation of brain invasion with prognosis and clinical variables remains controversial. METHODS Correlation of brain invasion with clinical and histopathologic variables was investigated in 467 patients with primary intracranial meningioma. RESULTS Diffuse (n = 3; 10%), clusterlike (n = 11; 34%) or fingerlike (n = 18; 56%) invasion was detected in 32 patients (7%). Brain invasion was more common in males than in females (13% vs. 5%; odds ratio, 2.75; 95% confidence interval, 1.29-5.89; P = 0.009) and pattern of invasion differed between genders (P = 0.037). Brain invasion was absent in 401 benign meningiomas and present in 48% of 60 atypical (n = 29) and 50% of 6 anaplastic (n = 3) meningiomas (P < 0.001) but was independent of tumor location and extent of resection. Progression occurred in 11% and was more frequent (31% vs. 15%; P = 0.036) in invasive than in noninvasive tumors, but only after gross total resection and in univariate analyses, and independent of invasion pattern. In atypical meningiomas, frequency of adjuvant irradiation was similar comparing invasive and noninvasive tumors and grading solely based on brain invasion (n = 20; 33%), other World Health Organization (WHO) criteria (n = 31; 52%) or a combination of both (n = 9; 15%). Risk of recurrence was lower (hazard ratio, 0.258, 95% confidence interval, 0.09-0.734; P = 0.011) when grading exclusively based on brain invasion than when further WHO criteria were in addition present and the progression-free interval among the first was similar to benign tumors. CONCLUSIONS Brain invasion and its patterns are correlated to gender. In contrast to the current WHO classification, invasion was associated with recurrence only after gross total resection and not independent of further histopathologic criteria of atypia.
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Affiliation(s)
| | - Katharina Heß
- Institute of Neuropathology, University Hospital Münster, Münster, Germany
| | - Cristina Sauerland
- Institute of Biostatistics and Clinical Research, University Hospital Münster, Münster, Germany
| | - Nader Sanai
- Barrow Brain Tumor Research Center, Barrow Neurological Institute, 350 West Thomas Rd, Phoenix, Arizona, USA
| | - Walter Stummer
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
| | - Werner Paulus
- Institute of Neuropathology, University Hospital Münster, Münster, Germany
| | - Benjamin Brokinkel
- Department of Neurosurgery, University Hospital Münster, Münster, Germany.
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WHO grade 1 meningioma recurrence: Are location and Simpson grade still relevant? Clin Neurol Neurosurg 2016; 141:117-21. [DOI: 10.1016/j.clineuro.2016.01.006] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 01/05/2016] [Indexed: 11/20/2022]
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Englot DJ, Magill ST, Han SJ, Chang EF, Berger MS, McDermott MW. Seizures in supratentorial meningioma: a systematic review and meta-analysis. J Neurosurg 2015; 124:1552-61. [PMID: 26636386 DOI: 10.3171/2015.4.jns142742] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Meningioma is the most common benign intracranial tumor, and patients with supratentorial meningioma frequently suffer from seizures. The rates and predictors of seizures in patients with meningioma have been significantly under-studied, even in comparison with other brain tumor types. Improved strategies for the prediction, treatment, and prevention of seizures in patients with meningioma is an important goal, because tumor-related epilepsy significantly impacts patient quality of life. METHODS The authors performed a systematic review of PubMed for manuscripts published between January 1980 and September 2014, examining rates of pre- and postoperative seizures in supratentorial meningioma, and evaluating potential predictors of seizures with separate meta-analyses. RESULTS The authors identified 39 observational case series for inclusion in the study, but no controlled trials. Preoperative seizures were observed in 29.2% of 4709 patients with supratentorial meningioma, and were significantly predicted by male sex (OR 1.74, 95% CI 1.30-2.34); an absence of headache (OR 1.77, 95% CI 1.04-3.25); peritumoral edema (OR 7.48, 95% CI 6.13-9.47); and non-skull base location (OR 1.77, 95% CI 1.04-3.25). After surgery, seizure freedom was achieved in 69.3% of 703 patients with preoperative epilepsy, and was more than twice as likely in those without peritumoral edema, although an insufficient number of studies were available for formal meta-analysis of this association. Of 1085 individuals without preoperative epilepsy who underwent resection, new postoperative seizures were seen in 12.3% of patients. No difference in the rate of new postoperative seizures was observed with or without perioperative prophylactic anticonvulsants. CONCLUSIONS Seizures are common in supratentorial meningioma, particularly in tumors associated with brain edema, and seizure freedom is a critical treatment goal. Favorable seizure control can be achieved with resection, but evidence does not support routine use of prophylactic anticonvulsants in patients without seizures. Limitations associated with systematic review and meta-analysis should be considered when interpreting these results.
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Affiliation(s)
- Dario J Englot
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Stephen T Magill
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Seunggu J Han
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Edward F Chang
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Mitchel S Berger
- Department of Neurological Surgery, University of California, San Francisco, California
| | - Michael W McDermott
- Department of Neurological Surgery, University of California, San Francisco, California
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Hicks J, Platt S, Kent M, Haley A. Canine brain tumours: a model for the human disease? Vet Comp Oncol 2015; 15:252-272. [PMID: 25988678 DOI: 10.1111/vco.12152] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 04/04/2015] [Accepted: 04/06/2015] [Indexed: 01/10/2023]
Abstract
Canine brain tumours are becoming established as naturally occurring models of disease to advance diagnostic and therapeutic understanding successfully. The size and structure of the dog's brain, histopathology and molecular characteristics of canine brain tumours, as well as the presence of an intact immune system, all support the potential success of this model. The limited success of current therapeutic regimens such as surgery and radiation for dogs with intracranial tumours means that there can be tremendous mutual benefit from collaboration with our human counterparts resulting in the development of new treatments. The similarities and differences between the canine and human diseases are described in this article, emphasizing both the importance and limitations of canines in brain tumour research. Recent clinical veterinary therapeutic trials are also described to demonstrate the areas of research in which canines have already been utilized and to highlight the important potential benefits of translational research to companion dogs.
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Affiliation(s)
- J Hicks
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - S Platt
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - M Kent
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - A Haley
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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Patterns of relapse and growth kinetics of surgery- and radiation-refractory meningiomas. J Neurooncol 2015; 123:151-60. [DOI: 10.1007/s11060-015-1778-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2014] [Accepted: 04/02/2015] [Indexed: 10/23/2022]
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Deficiency of the protein-tyrosine phosphatase DEP-1/PTPRJ promotes matrix metalloproteinase-9 expression in meningioma cells. J Neurooncol 2015; 122:451-9. [PMID: 25672645 DOI: 10.1007/s11060-015-1740-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 02/01/2015] [Indexed: 10/24/2022]
Abstract
Brain-invasive growth of a subset of meningiomas is associated with less favorable prognosis. The molecular mechanisms causing invasiveness are only partially understood, however, the expression of matrix metalloproteinases (MMPs) has been identified as a contributing factor. We have previously found that loss of density enhanced phosphatase-1 (DEP-1, also designated PTPRJ), a transmembrane protein-tyrosine phosphatase, promotes meningioma cell motility and invasive growth in an orthotopic xenotransplantation model. We have now analyzed potential alterations of the expression of genes involved in motility control, caused by DEP-1 loss in meningioma cell lines. DEP-1 depleted cells exhibited increased expression of mRNA encoding MMP-9, and the growth factors EGF and FGF-2. The increase of MMP-9 expression in DEP-1 depleted cells was also readily detectable at the protein level by zymography. MMP-9 upregulation was sensitive to chemical inhibitors of growth factor signal transduction. Conversely, MMP-9 mRNA levels could be stimulated with growth factors (e.g. EGF) and inflammatory cytokines (e.g. TNFα). Increase of MMP-9 expression by DEP-1 depletion, or growth factor/cytokine stimulation qualitatively correlated with increased invasiveness in vitro scored as transmigration through matrigel-coated membranes. The studies suggest induction of MMP-9 expression promoted by DEP-1 deficiency, or potentially by growth factors and inflammatory cytokines, as a mechanism contributing to meningioma brain invasiveness.
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Cheng G, Zhang L, Lv W, Dong C, Wang Y, Zhang J. Overexpression of cyclin D1 in meningioma is associated with malignancy grade and causes abnormalities in apoptosis, invasion and cell cycle progression. Med Oncol 2014; 32:439. [DOI: 10.1007/s12032-014-0439-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 12/05/2014] [Indexed: 11/29/2022]
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Coven İ, Ozer O, Ozen O, Şahin Fİ, Altinors N. Presence of matrix metalloproteinase-2 and tissue inhibitor matrix metalloproteinase-2 gene polymorphisms and immunohistochemical expressions in intracranial meningiomas. J Neurosurg 2014; 121:1478-82. [PMID: 25259564 DOI: 10.3171/2014.8.jns13515] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Meningiomas are benign extraaxial tumors with a slow progression. Some of them, in spite of being benign in nature, may show an aggressive progression pattern. To investigate the behavioral characteristics of meningiomas, researchers have studied matrix metalloproteinases (MMPs), their tissue inhibitors (TIMPs), interstitial collagens, proteins, vascular endothelial growth factors (VEGF), and tumor necrosis factors. METHODS In this study, the authors investigated MMP2 and TIMP2 gene polymorphisms in formalin-fixed paraffin-embedded tissue samples obtained from meningioma patients who had previously undergone surgery at the authors' institution. In addition, brain invasion, Ki-67 index, and MMP-2 and TIMP-2 expressions were investigated using immunohistochemical methods. MMP2 (735C>T, 1575G>A, 1306C>T) and TIMP2 (418G>C, 303C>T) gene polymorphisms were investigated from paraffin-embedded tissue sections using the polymerase chain reaction-restriction fragment length polymorphism method. RESULTS There were statistically significant differences between genotype (p = 0.001) and allele frequencies (p = 0.001 and OR 7.4 [95% CI 1.5-36.2]) in patient and control groups for MMP2 1306C>T polymorphism. The authors did not find a statistically significant difference for other polymorphisms. GA genotype was found to be more frequent when brain invasion was suspected for MMP2 1575G>A polymorphism (p = 0.006). There was not a statistically significant difference for other MMP2 or TIMP2 gene polymorphisms. CONCLUSIONS The authors' results support the importance of MMPs and their tissue inhibitors in meningioma pathogenesis. In future studies, these gene polymorphisms, especially MMP2 1306C>T and 1575G>A, should be investigated for meningioma or brain invasion susceptibility in larger study groups.
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Abstract
Cross-sectional imaging techniques have facilitated diagnosis of central nervous system (CNS) diseases. However, there is still frequently a lack of definition of the cause of neurologic lesions, because tissue sampling from the pathologic site is often difficult and there are few clinical diagnostic tools to assist diagnosis. Biomarkers can assist in understanding the cause, diagnosis, severity, and prognosis for neural injury. Integration of conventional testing and new diagnostic techniques will overcome shortcomings in understanding infectious diseases of the CNS. Diagnostic tests may be limited by poor positive and negative predictive values, which must be recognized when interpreting test results.
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Abstract
Although advances in surgery, radiation therapy and stereotactic radiosurgery have significantly improved the treatment of meningiomas, there remains an important subset of patients who remain refractory to conventional therapy. Treatment with chemotherapeutic agents such as hydroxyurea and alpha-interferon has provided minimal benefit. In this review, the role of newly emerging novel therapies for meningiomas, with a focus on targeted molecular agents, will be discussed.
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Affiliation(s)
- Patrick Y Wen
- Center for Neuro-Oncology Dana-Farber/Brigham and Women's Cancer Center, and Division of Neuro-Oncology, Department of Neurology, Brigham and Women's Hospital, Boston, MA 02115, USA.
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Meningiomas Engaging Major Venous Sinuses. World Neurosurg 2014; 81:116-24. [DOI: 10.1016/j.wneu.2013.01.095] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Revised: 11/22/2012] [Accepted: 01/25/2013] [Indexed: 11/21/2022]
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Abstract
Meningioma is the most frequently observed primary brain tumour in cats. Usually, it is associated with an intracranial expansion with consequent brain compression, oedema and brain herniation. Typical features of feline intracranial meningiomas are hyperostosis of the adjacent bone and intratumoral mineralisation. We describe a 13-year-old male neutered cat with a 1-year history of behavioural change. At clinical and neurological examination the cat showed signs consistent with right-sided forebrain lesion. Magnetic resonance images showed a right-sided extra-axial contrast enhancing mass in the region of the frontotemporal lobe. The overlying bone of the calvarium showed a marked defect with extracranial expansion of the tissue. Surgery was performed and the tumour could be exposed by a right-sided temporal approach. After extension of the bony defect the mass could be removed properly. The cat recovered well from surgery and a 12-month follow-up showed no persistent neurological deficits. Histopathological assessment of the tumour revealed a transitional grade 1 meningioma. Despite osteolysis and extracranial expansion of the tumour differentials should include menigioma in feline intracranial neoplasms.
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Affiliation(s)
- Philemon Karli
- Small Animal Hospital, Department of Clinical Neurology, Vetsuisse Faculty, University of Berne, Switzerland
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Mariani CL, Boozer LB, Braxton AM, Platt SR, Vernau KM, McDonnell JJ, Guevar J. Evaluation of matrix metalloproteinase-2 and -9 in the cerebrospinal fluid of dogs with intracranial tumors. Am J Vet Res 2013; 74:122-9. [PMID: 23270356 DOI: 10.2460/ajvr.74.1.122] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To identify matrix metalloproteinase (MMP)-2 and -9 in CSF from dogs with intracranial tumors. SAMPLE CSF from 55 dogs with intracranial tumors and 37 control dogs. PROCEDURES Latent and active MMP-2 and -9 were identified by use of gelatin zymography. The presence of MMPs in the CSF of dogs with intracranial tumors was compared with control dogs that were clinically normal and with dogs that had idiopathic or cryptogenic epilepsy or peripheral vestibular disease. Relationships between MMP-9 and CSF cell counts and protein were also investigated. RESULTS Latent MMP-2 was found in CSF samples from all dogs, although active MMP-2 was not detected in any sample. Latent MMP-9 was detected in a subset of dogs with histologically documented intracranial tumors, including meningiomas (2/10), gliomas (3/10), pituitary tumors (1/2), choroid plexus tumors (5/6), and lymphoma (4/4), but was not detected in any control samples. Dogs with tumors were significantly more likely than those without to have detectable MMP-9 in the CSF, and the presence of MMP-9 was associated with higher CSF nucleated cell counts and protein concentration. CONCLUSIONS AND CLINICAL RELEVANCE Latent MMP-9 was detected in most dogs with choroid plexus tumors or lymphoma but in a smaller percentage of dogs with meningiomas, gliomas, or pituitary tumors. Detection of MMP in CSF may prove useful as a marker of intracranial neoplasia or possibly to monitor response of tumors to therapeutic intervention.
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Affiliation(s)
- Christopher L Mariani
- Comparative Neuroimmunology and Neurooncology Laboratory, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA.
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Liu L, Zhang M, Wang Y, Li M. The relationship between the expression of tumor matrix-metalloproteinase and the characteristics of magnetic resonance imaging of human gliomas. J Biomed Res 2013; 24:124-31. [PMID: 23554622 PMCID: PMC3596546 DOI: 10.1016/s1674-8301(10)60020-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2009] [Indexed: 11/26/2022] Open
Abstract
Objective To investigate the relationship between the expression level of matrix-metalloproteinases (MMPs) with the pathological grades and MRI characteristics of human gliomas. Methods Prior pre- and post-contrast enhancement MRI was performed on 31 patients with gliomas, which were confirmed by post-operational pathology. The expression of MMP-2 and MMP-9 were determined by immunohistochemical staining in both a low grading group (grades I and II, n = 20) and high grading group (grades III and IV, n = 11). Results Compared to the low grading group, the expression levels of MMP-2, MMP-9, as well as the tumor edema index (EI), enhanced percentage (EP) and maximum diameters were significantly greater in the high grading group. MMP-2 and MMP-9 expression were correlated with the tumor EI, EP and the maximum diameters. There were no differences in MMP-2 and MMP-9 expression between the unclear border definition group and the clear border definition group, whereas the MMPs expression levels were greater in the heterogeneous signal group than in the homogeneous signal group. Conclusion The expression level of MMPs is correlated with the invasion ability of human gliomas. The MRI parameters, such as tumor EI, EP, maximum diameter, and signal heterogeneity technically reflect the expression level of MMPs, and can be used to estimate the tumor's malignant behavior, thus providing the guidance for clinical therapies.
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Affiliation(s)
- Lihua Liu
- Center of Image, the First Affilliated Hospital to Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061,China
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Beltran E, Matiasek K, Risio LD, Stefani AD, Feliu-Pascual AL, Matiasek LA. Expression of MMP-2 and MMP-9 in Benign Canine Rostrotentorial Meningiomas Is Not Correlated to the Extent of Peritumoral Edema. Vet Pathol 2013; 50:1091-8. [DOI: 10.1177/0300985813481610] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- E. Beltran
- Neurology/Neurosurgery Unit, Animal Health
Trust, Newmarket, UK
| | - K. Matiasek
- Section of Clinical & Comparative
Neuropathology, Institute of Veterinary Pathology, Centre for Clinical Veterinary Medicine,
Ludwig Maximilians University of Munich, Munich, Germany
| | - L. De Risio
- Neurology/Neurosurgery Unit, Animal Health
Trust, Newmarket, UK
| | - A. de Stefani
- Neurology/Neurosurgery Unit, Animal Health
Trust, Newmarket, UK
| | | | - L. A. Matiasek
- Section of Neurology, Clinic of Small Animal
Medicine, Centre for Clinical Veterinary Medicine, Ludwig Maximilians University Munich,
Munich, Germany
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Proteins involved in regulating bone invasion in skull base meningiomas. Acta Neurochir (Wien) 2013; 155:421-7. [PMID: 23238945 PMCID: PMC3569595 DOI: 10.1007/s00701-012-1577-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2012] [Accepted: 10/18/2012] [Indexed: 12/31/2022]
Abstract
Background Bone invasive skull base meningiomas are a subset of meningiomas that present a unique clinical challenge due to brain and neural structure involvement and limitations in complete surgical resection, resulting in higher recurrence and need for repeat surgery. To date, the pathogenesis of meningioma bone invasion has not been investigated. We investigated immunoexpression of proteins implicated in bone invasion in other tumor types to establish their involvement in meningioma bone invasion. Methods Retrospective review of our database identified bone invasive meningiomas operated on at our institution over the past 20 years. Using high-throughput tissue microarray (TMA), we established the expression profile of osteopontin (OPN), matrix metalloproteinase-2 (MMP2), and integrin beta-1 (ITGB1). Differential expression in tumor cell and vasculature was evaluated and comparisons were made between meningioma anatomical locations. Results MMP2, OPN, and ITGB1 immunoreactivity was cytoplasmic in tumor and/or endothelial cells. Noninvasive transbasal meningiomas exhibited higher vascular endothelial cell MMP2 immunoexpression compared to invasive meningiomas. We found higher expression levels of OPN and ITGB1 in bone invasive transbasal compared to noninvasive meningiomas. Strong vascular ITGB1 expression extending from the endothelium through the media and into the adventitia was found in a subset of meningiomas. Conclusions We have demonstrated that key proteins are differentially expressed in bone invasive meningiomas and that the anatomical location of bone invasion is a key determinant of expression pattern of MMP1, OPN, and ITGB1. This data provides initial insights into the pathophysiology of bone invasion in meningiomas and identifies factors that can be pursued as potential therapeutic targets.
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Yaskiv O, Rubin BP, He H, Falzarano S, Magi-Galluzzi C, Zhou M. ERG protein expression in human tumors detected with a rabbit monoclonal antibody. Am J Clin Pathol 2012; 138:803-10. [PMID: 23161713 DOI: 10.1309/ajcp3k5vufalztkc] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Avian v-ets erythroblastosis virus E26 oncogene homolog (ERG) is highly sensitive and specific for endothelial neoplasms and specific for prostate carcinoma. We characterized a rabbit anti-ERG antibody as an immunohistochemical agent to detect ERG expression in various tumors using tissue microarrays with a wide array of epithelial and mesenchymal tumors. ERG was positive in 63 (38%) of 168 prostate carcinomas and negative in all other epithelial tumors. ERG was positive in all 125 vascular lesions. It was also positive in the sarcomatoid component of a high-grade urothelial carcinoma and 6 (40%) of 15 meningiomas. Twelve (80%) of 15 meningiomas were positive for Fli1, including all 6 ERG-positive cases. Positive immunostaining with this antibody is therefore highly specific for prostate carcinoma and vascular lesions, with a few caveats. ERG is rarely detected in nonvascular mesenchymal tumors with this antibody. Furthermore, about 40% of meningiomas are also positive for ERG immunohistochemically, probably because of cross-reactivity with Fli1.
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miRNA-145 is downregulated in atypical and anaplastic meningiomas and negatively regulates motility and proliferation of meningioma cells. Oncogene 2012; 32:4712-20. [PMID: 23108408 DOI: 10.1038/onc.2012.468] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 08/27/2012] [Accepted: 08/27/2012] [Indexed: 01/01/2023]
Abstract
Meningiomas are frequent, mostly benign intracranial or spinal tumors. A small subset of meningiomas is characterized by histological features of atypia or anaplasia that are associated with more aggressive biological behavior resulting in increased morbidity and mortality. Infiltration into the adjacent brain tissue is a major factor linked to higher recurrence rates. The molecular mechanisms of progression, including brain invasion are still poorly understood. We have studied the role of micro-RNA 145 (miR-145) in meningiomas and detected significantly reduced miR-145 expression in atypical and anaplastic tumors as compared with benign meningiomas. Overexpression of miR-145 in IOMM-Lee meningioma cells resulted in reduced proliferation, increased sensitivity to apoptosis, reduced anchorage-independent growth and reduction of orthotopic tumor growth in nude mice as compared with control cells. Moreover, meningioma cells with high miR-145 levels had impaired migratory and invasive potential in vitro and in vivo. PCR-array studies of miR145-overexpressing cells suggested that collagen type V alpha (COL5A1) expression is downregulated by miR-145 overexpression. Accordingly, COL5A1 expression was significantly upregulated in atypical and anaplastic meningiomas. Collectively, our data indicate an important anti-migratory and anti-proliferative function of miR-145 in meningiomas.
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Kwon MJ, Sung CO, Kang SY, Do IG, Suh YL. Differential expression of extracellular matrix-related genes in rare variants of meningioma. Hum Pathol 2012; 44:260-8. [PMID: 22995327 DOI: 10.1016/j.humpath.2012.05.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 05/22/2012] [Accepted: 05/23/2012] [Indexed: 11/16/2022]
Abstract
Secretory, clear cell, and rhabdoid meningiomas are rare variants of meningiomas characterized by unique histologies and behaviors. Extracellular matrix proteins provide a morphologic structure and influence the biologic behavior of tumors. However, the effects of extracellular matrix proteins on morphologies and biologic behaviors of secretory meningioma, clear cell meningioma, and rhabdoid meningioma have not been established. We evaluated the expression of matrix metalloproteinase 2, matrix metalloproteinase 9, galectin-3, fibronectin, and collagen IV in a series of those rare variants of meningioma and verified their clinicopathologic significance. A total 51 cases included 12 secretory meningiomas, 9 clear cell meningiomas, and 30 rhabdoid meningiomas. Extracellular matrix proteins showed different expression patterns according to the histologic subtypes, and messenger RNA levels were well correlated with immunoexpressions. Secretory meningiomas showed high expressions of fibronectin and galectin-3. Clear cell meningiomas showed high expression of matrix metalloproteinase 2, matrix metalloproteinase 9, and collagen IV. Rhabdoid meningiomas showed high expressions of matrix metalloproteinase 9, galectin-3, and fibronectin. Clinically, high expression of matrix metalloproteinase 9 was associated with tumor recurrence (P < .001) and local invasion at the time of diagnosis (P = .018) among the extracellular matrix-related proteins, and was also associated with shorter recurrence-free survival (P = .025) in the patients with rhabdoid meningioma. In conclusion, the differential expressions of extracellular matrix-related genes according to the histologic subtypes appear to be involved in biologic behavior and clinical outcome, and high matrix metalloproteinase 9 expression is associated with recurrences in rhabdoid meningiomas.
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Affiliation(s)
- Mi Jung Kwon
- Department of Pathology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Gyeonggi-do 431-070, South Korea
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Barresi V, Alafaci C, Caffo M, Barresi G, Tuccari G. Clinicopathological characteristics, hormone receptor status and matrix metallo-proteinase-9 (MMP-9) immunohistochemical expression in spinal meningiomas. Pathol Res Pract 2012; 208:350-5. [PMID: 22494536 DOI: 10.1016/j.prp.2012.02.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 02/21/2012] [Accepted: 02/29/2012] [Indexed: 11/17/2022]
Abstract
Meningiomas involving the spinal meninges show a reduced tendency to recur compared to those of the intracranial compartment. Nonetheless, due to the few reports with a significant number of patients, their biological characteristics largely remain to be investigated. With the aim of clarifying the biology of these tumors, we examined in the present paper the clinicopathological features, the estrogen receptor (ER) and progesterone receptor (PR) status, as well as the Ki-67 labeling index (LI) and matrix metallo-proteinase-9 (MMP-9) expression of 58 spinal meningiomas. Ki-67 LI ranged between 1% and 5% (median: 1%); no expression of ER was found in all the cases, whereas PR immunoexpression was found in 86% of the tumors. High MMP-9 expression was encountered in 46% of meningiomas, and it was significantly correlated with the percentage of PR expression. The recurrence rate was 1.7%. The only recurred case showed high MMP-9 expression, absence of PR and low Ki-67 LI. Our findings confirm that spinal meningiomas are indolent tumors with low growth fraction and recurrence rate. In these neoplasms, high MMP-9 expression seems to be associated with the development of recurrences only in the absence of PR expression. Thus, the evaluation of both MMP-9 and PR expression might be of use in the identification of spinal meningiomas at higher risk of relapse.
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Affiliation(s)
- Valeria Barresi
- Department of Human Pathology, University of Messina, Messina, Italy.
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Pei J, Jung S, Jin SG, Moon KS, Wen M, Li SY, Jang WY, Ryu HH, Lee KH, Kim IY, Jung TY. Possible role of matrix metalloproteinases (MMPs) in hyperostosis of intracranial meningiomas. Acta Neurochir (Wien) 2012; 154:611-20; discussion 620. [PMID: 22327326 DOI: 10.1007/s00701-012-1289-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Accepted: 01/16/2012] [Indexed: 10/14/2022]
Abstract
OBJECT Although bone invasion and hyperostosis are common phenomena in patients with intracranial meningiomas, the basic pathomechanism is not fully understood. Based on an immunohistochemical study of surgically resected samples with hyperostosis, we postulate a possible mechanism of hyperostosis in patients with intracranial meningiomas. MATERIALS AND METHODS Forty-six meningiomas were evaluated in this study. Twenty-six meningiomas associated with hyperostosis specimens served as the study group, and 20 meningiomas without any bony changes served as controls. An immunohistochemical staining technique was used to detect the expression of matrix metalloproteinase (MMP)-2, -9, and -13, membrane type (MT)1-MMP, estrogen receptor (ER), and progesterone receptor (PR) in the main tumor and hyperostotic portions of the studied samples. RESULTS In the non-hyperostosis group, expression of MMP-13, MT1-MMP, and ER was significantly less than in the main tumor portion of hyperostotic meningiomas, while there was no difference in the expression of MMP-2 and -9 and PR in the main tumor between the two groups. In the hyperostosis group, the immunoreactivity of MMP-2 in the hyperostotic portion revealed a higher pattern of expression than the main tumor (p < 0.002). The expression of MMP-9, MT1-MMP, ER, and PR had relatively positive immunoreactivity in the main tumor portion (P < 0.05). CONCLUSIONS Increased expression of MMP-13 and MT1-MMP in the tumor portion of hyperostosis of meningiomas might contribute to the initiation of osteolysis. Activated MMP-2 in hyperostotic lesions may change the physiological metabolism of the skull bone, thus playing an important role in hyperostosis formation.
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Iwado E, Ichikawa T, Kosaka H, Otsuka S, Kambara H, Tamiya T, Kondo S, Date I. Role of VEGF and matrix metalloproteinase-9 in peritumoral brain edema associated with supratentorial benign meningiomas. Neuropathology 2012; 32:638-46. [DOI: 10.1111/j.1440-1789.2012.01312.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Alvernia JE, Dang ND, Sindou MP. Convexity meningiomas: study of recurrence factors with special emphasis on the cleavage plane in a series of 100 consecutive patients. J Neurosurg 2011; 115:491-8. [DOI: 10.3171/2011.4.jns101922] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
Convexity meningiomas are expected to have a low recurrence rate given their classically “easy resectability.” Nonetheless, recurrence can occur. Factors playing a role in their recurrence are analyzed here, including the extent of resection and tumor histological type, among others, with a special emphasis on the cleavage plane.
Methods
The authors reviewed 100 cases of convexity meningiomas surgically treated between 1987 and 2001 with a median follow-up of 86 months (range 2–16 years). Preoperative and postoperative functional status, Simpson resection grade, histological type, and intraoperative surgical plane with pial vessel invasion were studied and correlated with the recurrence rate.
Results
The average tumor size was 3.6 ± 0.4 cm. The pre- and postoperative Karnofsky Performance Scale scores were 92.6 ± 4.6 and 97.9 ± 2.2, respectively. Ninety-five lesions were benign (WHO Grade I) and 5 were atypical (WHO Grade II). Ninety-one and 9 tumors were subjected to Simpson Grade 1 and 3 resections (three Grade 3a and six Grade 3b), respectively. Surgical deaths did not occur. After a mean follow-up of 7.2 years, 4 meningiomas recurred; 2 (2.2%) after Simpson Grade 1 resections and 2 after Simpson Grade 3 (3a and 3b) resections (22.2%; p = 0.0034). When just the subgroup of Simpson Grade 1/WHO Grade I was studied, the recurrence rate decreased to 1.2% (1 of 86 cases). The recurrence of WHO Grade I tumors was higher in the subpial group than in the extrapial group (p = 0.025). No difference in recurrence according to the cleavage plane was seen in the WHO Grade II subgroup (p = 0.361). As for the subpial group, no difference in recurrence was noted between the WHO Grade I and II subgroups (p = 0.608). Importantly, however, the extrapial subgroup of WHO Grade II lesions had a higher recurrence rate compared with its counterpart in the WHO Grade I subgroup (p = 0.005).
Conclusions
Pial and vascular invasion affect the recurrence rate in convexity meningioma surgery. The recurrence rate of WHO Grade I tumors was higher among those with a subpial plane of dissection than among those with an extrapial one. Histological type did not determine the degree of pial invasion in WHO Grade I and II lesions.
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Affiliation(s)
- Jorge E. Alvernia
- 1Department of Neurosurgery, St. Edward Mercy Medical Center, Fort Smith, Arkansas
- 3Department of Neurosurgery, Hopital Neurologique Pierre Wertheimer, University of Lyon, France
| | - Nguyen D. Dang
- 2Department of Radiation-Oncology, Baylor College of Medicine, Houston, Texas; and
| | - Marc P. Sindou
- 3Department of Neurosurgery, Hopital Neurologique Pierre Wertheimer, University of Lyon, France
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Wen PY, Quant E, Drappatz J, Beroukhim R, Norden AD. Medical therapies for meningiomas. J Neurooncol 2010; 99:365-78. [PMID: 20820875 DOI: 10.1007/s11060-010-0349-8] [Citation(s) in RCA: 118] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Accepted: 08/06/2010] [Indexed: 12/31/2022]
Abstract
Meningiomas are the most common primary brain tumor in adults. Although the majority of these tumors can be effectively treated with surgery and radiation therapy, an important subset of patients have inoperable tumors, or develop recurrent disease after surgery and radiotherapy, and require some form of medical therapy. There are increasing numbers of studies evaluating various medical therapies but the results remain disappointing. Chemotherapies and hormonal therapies have been generally ineffective, although somatostatin analogues may have therapeutic potential. There is also increasing interest in targeted molecular therapies. Agents inhibiting platelet derived growth factor receptors and epidermal growth factor receptors have shown little efficacy, but molecular agents inhibiting vascular endothelial growth factor receptors appear to have some promise. As with other tumors, advances in the medical therapies for meningiomas will require improved understanding of the molecular pathogenesis of these tumors, more predictive preclinical models, and efficient mechanisms for conducting clinical trials, given the small population of eligible patients.
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Affiliation(s)
- Patrick Y Wen
- Center for Neuro-Oncology, Department of Medical Oncology, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA 02115, USA.
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Barresi V, Vitarelli E, Tuccari G, Barresi G. MMP-9 expression in meningiomas: a prognostic marker for recurrence risk? J Neurooncol 2010; 102:189-96. [PMID: 20652360 DOI: 10.1007/s11060-010-0312-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2010] [Accepted: 07/08/2010] [Indexed: 10/19/2022]
Abstract
Despite total macroscopic resection of meningiomas relapses do occur in these tumours, possibly because of microscopic clusters of neoplastic cells left in the dura mater or in the arachnoid membrane. The invasiveness of the neoplastic cells of human meningiomas has been related to expression of matrix-metalloproteinase-9 (MMP-9), a peptidase actively implicated in the degradation of the extracellular matrix; nonetheless, the prognostic value of MMP-9 in the risk of recurrence of meningiomas has not been sufficiently investigated. Herein, we analysed MMP-9 expression in a series of meningiomas of different histotype and histological grade and assessed its correlation with various clinico-pathological indicators and with the clinical outcome of these tumours. We also tested the eventual pro-angiogenic role of MMP-9 expression in meningiomas through its correlation with vascular endothelial growth factor (VEGF) and microvessel density (MVD) revealed in the same cases. MMP-9 expression was observed in 64% of cases; high expression of this protein was significantly associated with high histological grade and proliferation index, but not with high MVD, of the tumours. A trend towards correlation between MMP-9 and VEGF expression was found, although statistical significance was not reached. In addition, high MMP-9 expression was a negative independent prognostic factor associated with higher recurrence risk in totally resected meningiomas. In conclusion, we demonstrated for the first time the potential prognostic value of MMP-9 expression in meningiomas. Inhibition of MMP-9 may be a new therapeutic strategy to prevent recurrences of meningiomas, particularly the high-grade type.
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Affiliation(s)
- V Barresi
- Department of Human Pathology, University of Messina, Messina, Italy.
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Vranic A. Antigen expression on recurrent meningioma cells. Radiol Oncol 2010; 44:107-12. [PMID: 22933900 PMCID: PMC3423683 DOI: 10.2478/v10019-010-0028-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2010] [Accepted: 03/01/2010] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Meningiomas are intracranial brain tumours that frequently recur. Recurrence rates up to 20% in 20 years for benign meningiomas, up to 80% for atypical meningiomas and up to 100% for malignant meningiomas, have been reported. The most important prognostic factors for meningioma recurrence are meningioma grade, meningioma invasiveness and radicality of neurosurgical resection. The aim of our study was to evaluate the differences in antigenic expression on the surface of meningioma cells between recurrent and non-recurrent meningiomas. METHODS 19 recurrent meningiomas and 35 non-recurrent meningiomas were compared regarding the expression of MIB-1 antigen, progesterone receptors, cathepsin B and cathepsin L, using immunohistochemistry. RESULTS MIB-1 antigen expression was higher in the recurrent meningioma group (p=0.001). No difference in progesterone receptor status between recurrent and non-recurrent meningiomas was confirmed. Immunohistochemical intensity scores for cathepsin B (p= 0.007) and cathepsin L (p<0.001) were both higher in the recurrent than in the non-recurrent meningioma group. CONCLUSIONS [corrected] MIB-1 antigen expression is higher in recurrent compared to non-recurrent meningiomas. There is no difference in expression of progesterone receptors between recurrent and non-recurrent meningiomas. Cathepsins B and L are expressed more in recurrent meningiomas.
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Affiliation(s)
- Andrej Vranic
- Department of Neurosurgery, University Medical Centre Ljubljana, Ljubljana, Slovenia
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Lah TT, Nanni I, Trinkaus M, Metellus P, Dussert C, De Ridder L, Rajcević U, Blejec A, Martin PM. Toward understanding recurrent meningioma: the potential role of lysosomal cysteine proteases and their inhibitors. J Neurosurg 2010; 112:940-50. [PMID: 19747051 DOI: 10.3171/2009.7.jns081729] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT The first aim of this study was to diagnose more aggressive and potentially recurrent meningiomas using an in vitro embryonic chick heart invasiveness assay in which lysosomal enzyme cathepsin B was used as the invasiveness marker. The second aim was to confirm if cathepsin B and/or cathepsin L and their endogenous inhibitors were also prognostic parameters in the clinical study of 119 patients with meningioma. METHODS Primary meningioma cultured spheroids were "confronted" with embryonic chick heart spheroids in vitro, and cathepsin B was used as molecular marker to immunolabel the invasive tumor cells. In vitro invasion assays of the malignant meningioma cells were used to assess the invasive potential related to the cysteine cathepsins. As to the second aim, the possible association of cathepsin B along with selected molecular markers, cathepsin L, and endogenous cysteine protease inhibitors (stefins A and B and cystatin C) with meningioma malignancy was determined using enzyme-linked immunosorbent assays in tumor homogenates. Univariate and multivariate analyses were used to compare these parameters with established biological markers of meningioma recurrence in 119 patients with meningiomas. RESULTS The more invasive tumors, which characteristically overgrew the normal tissue, were identified even within a group of histologically benign meningiomas. More intensive staining of cathepsin B in these tumors was not only found at the tumor front, but also in the invading pseudopodia of a single migrating tumor cells. Matrigel invasion of malignant meningioma cells was significantly altered by modulating cathepsin B activity and by stefin B silencing. In the clinical samples of meningioma, the levels of cathepsins B and L, stefin B, and cystatin C were highest in the tumors of higher histological grades, whereas stefin A and progesterone receptor were the only markers that were significantly increased and decreased, respectively, in WHO Grade III lesions. With respect to the prognosis of relapse, cathepsin L (p = 0.035), stefin B (p = 0.007), cystatin C (p = 0.008), and progesterone receptor (p = 0.049) levels were significant, whereas cathepsin B was not a prognosticator. As expected, WHO grade, age, and Simpson grade (complete tumor resection) were prognostic, with Simpson grade only relevant in the short term (up to 90 months) but not in longer-term follow-up. Of note, the impact of all these parameters was lost in multivariate analysis, due to overwhelming prognostic impact of stefin B (p = 0.039). CONCLUSIONS The data indicate that the cysteine cathepsins and their inhibitors are involved in a process related to early meningioma recurrence, regardless of their histological classification. Of note, the known tumor invasiveness marker cathepsin B, measured in whole-tumor homogenates, was not prognostic, in contrast to its endogenous inhibitor stefin B, which was highly significant and the only independent prognostic factor to predict meningioma relapse in multivariate analysis and reported herein for the first time. Stefin B inhibition of local invasion was confirmed by in vitro invasion assay, although its other functions cannot be excluded.
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Affiliation(s)
- Tamara T Lah
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
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Moon HS, Jung S, Jung TY, Cao VT, Moon KS, Kim IY. Possible role of matrix metalloproteinase in osteolytic intracranial meningiomas. J Korean Neurosurg Soc 2010; 47:11-6. [PMID: 20157372 DOI: 10.3340/jkns.2010.47.1.11] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2009] [Revised: 09/09/2009] [Accepted: 12/26/2009] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE Abnormalities of the bone are frequently encountered in patients with meningioma, and hyperostosis and endostosis are common bone alterations in these tumors. Extensive bony destruction is very unusual in patients with meningioma. We report six cases of intracranial meningioma associated with an osteolytic lesion of the skull and discuss the underlying mechanisms that may be responsible for bone destruction in patients with meningioma. METHODS Six patients were classified into three groups, severe, moderate and mild, according to the degree of osteolytic bony destruction. The tumor was classified as intracranial or extracranial, depending on its location. We investigated the potential role of matrix metalloproteinase (MMP) in meningioma-associated osteolysis. The levels of MMP expression were determined by gelatin zymography, reverse transcription-quantitative PCR analysis (RT-PCR) and immunohistochemical analysis. RESULTS Complete surgical removal of the lesion was performed in each patient. Histological examination revealed benign meningioma in four cases, and two cases of atypical meningioma. Patients did not have a poor prognosis except one case of recurred atypical meningioma. Gelatin zymography and RT-PCR detected high levels of MMP-2 in almost all extracranial masses in comparison with the intracranial masses and MMP-9 in two. There was no difference in the severity of bone destruction. Immunohistochemical analysis revealed MMP-2 expression in the vicinity of the bone destruction, and a few MMP-9-positive stainings were observed. CONCLUSION Osteolysis of the skull in patients with meningiomas might not be indicative of malignant pathological features and poor prognosis. Invasion to the extracranial portion and osteolysis might be associated with MMP-2 expression in meningioma.
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Affiliation(s)
- Hyung-Sik Moon
- Department of Neurosurgery, Chonnam National University Hwasun Hospital & Medical School, Gwangju, Korea
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Park KJ, Kang SH, Chae YS, Yu MO, Cho TH, Suh JK, Lee HK, Chung YG. Influence of interleukin-6 on the development of peritumoral brain edema in meningiomas. J Neurosurg 2010; 112:73-80. [DOI: 10.3171/2009.4.jns09158] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Object
Peritumoral brain edema (PTBE) is associated with perioperative neurological deficits in patients with meningiomas. However, the pathogenesis of meningioma-associated edema remains unclear. In the present study, the authors investigated the expression of interleukin-6 (IL-6) and its relationship with PTBE in resected meningiomas.
Methods
Thirty-six benign meningiomas obtained in 36 patients were studied retrospectively. Edema volume was assessed on MR images, and an edema index (EI) was calculated. Interleukin-6 mRNA and protein expression were examined by real-time reverse transcriptase polymerase chain reaction and immunohistochemical staining.
Results
Peritumoral brain edema was found in 16 patients (44%). Neither age, sex, histological subtype, nor tumor location were related to PTBE. The level of IL-6 mRNA was 7.72 times greater in the edema group (EI > 0.2) than in the nonedema group (EI < 0.2; p = 0.011). On immunohistochemical analysis, IL-6 protein was found localized in the cytoplasm of the tumor cells, and was detected in 12 (75%) of 16 cases of edematous meningiomas, but in only 6 (30%) of 20 nonedematous cases. There was a significant correlation between the severity of PTBE and IL-6 expression (p = 0.004).
Conclusions
The authors' results in this study indicate that IL-6 expression may contribute to the development of brain edema associated with meningiomas.
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Affiliation(s)
| | | | - Yang-Seok Chae
- 2Pathology, Korea University Anam Hospital, College of Medicine; and
| | - Mi-Ok Yu
- 1Departments of Neurosurgery and
- 3School of Life Sciences and Biotechnology, Korea University, Seoul, Korea
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Expressions of angiogenesis associated matrix metalloproteinases and extracellular matrix proteins in cerebral vascular malformations. J Clin Neurosci 2009; 17:232-6. [PMID: 20036554 DOI: 10.1016/j.jocn.2009.06.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2009] [Revised: 06/24/2009] [Accepted: 06/25/2009] [Indexed: 12/16/2022]
Abstract
This study aimed to compare cerebral arteriovenous malformations (cAVM) and cerebral cavernous malformations (CCM) with regard to the immunohistochemical expressions of matrix metalloproteinases (MMP) and selected extracellular matrix (ECM) proteins, which have a role in the regulation of angiogenesis. Fresh-frozen surgical specimens from patients with cAVM (n=14) and CCM (n=15) were immunohistochemically stained with antibodies for MMP-2, MMP-9, laminin, fibronectin and tenascin. To compare cAVM and CCM, expression of each protein was graded using a four-point scoring system for each histological layer of the lesion. MMP-2 and MMP-9 were more strongly expressed in the vascular walls of CCMs compared to cAVMs for all comparable layers: endothelium, subendothelium and the perivascular space. The stronger expression of MMP and other EMP associated with early angiogenesis in CCMs compared to AVMs may support the hypothesis that CCMs occur at earlier embryogenic stages than AVMs.
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Nagashima G, Fujimoto T, Suzuki R, Asai JI, Itokawa H, Noda M. Dural invasion of meningioma: a histological and immunohistochemical study. Brain Tumor Pathol 2009; 23:13-7. [PMID: 18095114 DOI: 10.1007/s10014-006-0193-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2005] [Accepted: 11/28/2005] [Indexed: 11/30/2022]
Abstract
Meningioma usually grows and expands into the brain, but invasion into the brain parenchyma is relatively rare. Meningioma arises from arachnoid cap cells, and infiltration into dura mater is the main growth pattern of meningiomas. However, little is known about the mechanism of meningioma invasion into the dura mater. In this study, seven specimens, including dural attachments, from seven cases of meningioma were used for immunohistochemical analysis. Matrix metalloproteinase (MMP)-1, -2, -9, urokinase-type plasminogen activator (uPA), vascular endothelial growth factors (VEGF), flt-1, E-cadherin, estrogen receptor (EgR), progesterone receptor (PgR), and aquaporin (AQP)-1, -4 were used as primary antibodies. There were several patterns of meningioma invasion into the dura mater: papillary-shaped invasion with destruction of dural structure, infiltration along the fibers of the dura mater, and invasion of several tumor cell units with fibroblast infiltration. Strong immunostaining was obtained with MMP-1, followed by AQP-1 and uPA, within the invading tumor cells. Neovasculature and extravasated erythrocytes, which stained with AQP-1, were also occasionally observed around the invading tumor cells. Simpson grade II removal of meningiomas results in high recurrence rates, and the inhibition of meningioma growth via dural invasion will facilitate improved remission in many cases with meningioma. In this study, MMP-1, AQP-1, and uPA are considered to have some role in the dural infiltration of meningioma cells. The fact that AQP-1 was highly expressed at the dural attachment and invading front of meningioma may indicate that dural invasion of the meningioma may be facilitated by AQP-1-induced water flow and neovascularization.
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Affiliation(s)
- Goro Nagashima
- Department of Neurosurgery, Fujigaoka Hospital, Showa University, 1-30 Fujigaoka, Yokohama, Kanagawa, 227-8501, Japan.
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Mawrin C, Wolke C, Haase D, Krüger S, Firsching R, Keilhoff G, Paulus W, Gutmann DH, Lal A, Lendeckel U. Reduced activity of CD13/aminopeptidase N (APN) in aggressive meningiomas is associated with increased levels of SPARC. Brain Pathol 2009; 20:200-10. [PMID: 19236378 DOI: 10.1111/j.1750-3639.2009.00267.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Meningiomas are the second most common brain tumors in adults, and meningiomas exhibit a tendency to invade adjacent structures. Compared with high-grade gliomas, little is known about the molecular changes that potentially underlie the invasive behavior of meningiomas. In this study, we examined the expression and function of the membrane alanyl-aminopeptidase [mAAP, aminopeptidase N (APN), CD13, EC3.4.11.2] zinc-dependent ectopeptidase in meningiomas and meningioma cell lines, based on its prior association with tumor invasion in colorectal and renal carcinomas. We found a significant reduction of APNmRNA and protein expression, as well as enzymatic activity, in high-grade meningiomas. While meningioma tumor cell proliferation was not affected by either pharmacologic APN inhibition or siRNA-mediated APN silencing, APN pharmacologic and siRNA knockdown significantly reduced meningioma cell invasion in vitro. Next, we employed pathway-specific cDNA microarray analyses to identify extracellular matrix and adhesion molecules regulated by APN, and found that APN-siRNA knockdown substantially increased the expression of secreted protein, acidic and rich in cysteine (SPARC)/osteonectin. Finally, we demonstrated that SPARC, which has been previously associated with meningioma invasiveness, was increased in aggressive meningiomas. Collectively, these results suggest that APN expression and enzymatic function is reduced in aggressive meningiomas, and that alterations in the balance between APN and SPARC might favor meningioma invasion.
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Affiliation(s)
- Christian Mawrin
- Department of Neuropathology, Friedrich Schiller University, Jena, Germany.
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Grund S, Schittenhelm J, Roser F, Tatagiba M, Mawrin C, Kim YJ, Bornemann A. The microglial/macrophagic response at the tumour-brain border of invasive meningiomas. Neuropathol Appl Neurobiol 2009; 35:82-8. [DOI: 10.1111/j.1365-2990.2008.00960.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jung S, Moon KS, Kim ST, Ryu HH, Lee YH, Jeong YI, Jung TY, Kim IY, Kim KK, Kang SS. Increased expression of intracystic matrix metalloproteinases in brain tumors: relationship to the pathogenesis of brain tumor-associated cysts and peritumoral edema. J Clin Neurosci 2007; 14:1192-8. [PMID: 17964788 DOI: 10.1016/j.jocn.2006.11.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2006] [Revised: 11/27/2006] [Accepted: 11/29/2006] [Indexed: 10/22/2022]
Abstract
Although several types of brain tumors are commonly associated with cyst formation, the pathogenesis of tumor-associated cysts (TAC) is unknown. We investigated the matrix metalloproteinase (MMP) expression of cyst fluids to elucidate the pathogenesis of TAC in brain tumors. We also examined the relationship between the severity of peritumoral edema and the expression of intracystic MMP. We collected 40 cyst fluid samples from 34 patients with TAC and studied the expression of MMP-2 and -9 in the cyst fluid using gelatin zymography. Radiological studies were used to estimate the severity of the peritumoral edema and to determine the presence of TAC. Although gelatin zymography of the cyst fluid showed high levels of MMPs, there was no correlation between the expression of MMPs in the cyst fluid and that in the tumor tissue. The level of MMP expression in the cyst fluid did not reflect the pathologic grade of the individual tumors. However, the total and activated MMP-9 levels were significantly associated with the severity of the peritumoral edema (p<0.05). These results suggest that MMPs may be partly involved in the pathogenesis of TAC and peritumoral edema in brain tumors.
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Affiliation(s)
- Shin Jung
- Department of Neurosurgery, Chonnam National University, Hwasun Hospital and Medical School, Gwangju, South Korea.
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Abstract
✓ Although advances in surgery, radiation therapy, and stereotactic radiosurgery have significantly improved the treatment of meningiomas, there remains an important subset of patients whose tumors are refractory to conventional therapy. Treatment with traditional chemotherapeutic agents has provided minimal benefit. In this review, the role of targeted molecular therapies for recurrent or progressive meningiomas is discussed.
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Mathiesen T, Gerlich A, Kihlström L, Svensson M, Bagger-Sjöbäck D. Effects of using combined transpetrosal surgical approaches to treat petroclival meningiomas. Neurosurgery 2007; 60:982-91; discussion 991-2. [PMID: 17538371 DOI: 10.1227/01.neu.0000255476.06247.f1] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Surgical treatment may be required for large petroclival meningiomas; however, surgery for these lesions is a major undertaking, and modern surgical approaches are still associated with considerable morbidity and recurrence rates. We analyzed our series of transpetrosally operated petroclival meningiomas to obtain detailed information regarding the surgery outcomes with respect to facial nerve effects, hearing changes, general neurological and psychosocial differences, and recurrence rates to identify opportunities for improvement. METHODS Between 1994 and 2004, we used transpetrosal approaches to operate on 29 patients for petroclival meningiomas larger than 30 mm. All patients were analyzed in detail regarding neurological outcomes and hearing abilities after surgery. Swedish-speaking patients were contacted for a psychosocial follow-up evaluation using the short-item 36 (SF-36) form. RESULTS After surgery, the Glasgow Outcome Score improved in 14 patients, was unchanged in 11 patients, and worsened in four patients. Facial nerve function was found to be of House-Brackmann Grade 3 or worse in six patients (including three individuals with transcochlear surgery and facial nerve rerouting). Of the 23 patients who underwent hearing-preservation surgery, serviceable hearing was preserved in 17 individuals. Nineteen Swedish patients were contacted for psychosocial evaluation. Three patients could not participate for health reasons; of the remaining 16 patients, 12 reported physical health scores that were below mean values for the general population. For patients who did not experience very serious neurological compromise, we found that unexpected painful trigeminal neuropathy and unilateral swallowing difficulties conveyed a negative influence on health. Three years after surgery, the patients reported more normalized health scores. CONCLUSION Generally, outcomes compared well with current reports. Outcomes can be improved, however by improving patients' psychosocial support; striving to decompress, preserve, and minimize dissection of ill-defined planes of cranial nerves; and using Simpson Grade 4 gamma knife approaches when radicality is precluded. Currently, the performance of transpetrosal surgery for petroclival meningiomas is a major undertaking that significantly affects a patient's health for several years; however, the approaches that we used allowed a high degree of tumor control with relatively little neurological morbidity.
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Affiliation(s)
- Tiit Mathiesen
- Neurosurgery Section, Institute of Clinical Neuroscience, Karolinska University Hospital, Solna, Stockholm, Sweden.
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Moon KS, Jung S, Seo SK, Jung TY, Kim IY, Ryu HH, Jin YH, Jin SG, Jeong YI, Kim KK, Kang SS. Cystic vestibular schwannomas: a possible role of matrix metalloproteinase-2 in cyst development and unfavorable surgical outcome. J Neurosurg 2007; 106:866-71. [PMID: 17542531 DOI: 10.3171/jns.2007.106.5.866] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT The authors evaluated the clinical manifestations and surgical results in patients with cystic vestibular schwannoma (VS), and investigated the matrix metalloproteinase (MMP) expression of the cyst fluid and wall in an attempt to elucidate the pathogenesis and characteristics of this disease. METHODS The clinical and neuroimaging features, perioperative findings, and surgical outcomes in 24 cases of cystic VS and 82 cases of solid VS, all of which were treated using the suboccipital approach, were retrospectively compared. To evaluate the role of MMP in cystic VS, gelatin zymography and immunohistochemical studies of the cyst fluid, wall, and solid portion were performed in nine cases of this disease. The mean duration of symptoms was shorter (14.0 months compared with 26.1 months; p = 0.04) and the mean size of the tumor was larger (43.8 mm compared with 34.2 mm; p = 0.048) in the cystic than the solid VS group. Although gross-total resection was easier to accomplish in this group (100% compared with 84.1%), adhesion to the facial nerve was more frequent (62.5% compared with 48.8%; p = 0.042). On gelatin zymography studies, MMP-2 expression was ubiquitously observed in all cyst fluids. Immunohistochemical analysis of the cyst wall showed that MMP-2 was apparently localized to the tumor cells on the luminal inner surface, adjacent to the cyst cavity. CONCLUSIONS Resection of cystic VS is complicated by severe adhesion of the tumor capsule to the facial nerve and the large size of the lesion. The authors believe that MMP-2 may be involved in the pathogenesis of cyst formation or in its enlargement and may aggravate adhesion to the facial nerve, either by promoting the enlargement of the tumor or engendering the degradation of the tumor-nerve barrier proteolytically.
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Affiliation(s)
- Kyung-Sub Moon
- Department of Neurosurgery,Chonnam National University Research Institute of Medical Sciences, Chonnam National University Hwasun Hospital and Medical School, Gwangju, South Korea
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