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Li X, Peng X, Yang S, Wei S, Fan Q, Liu J, Yang L, Li H. Targeting tumor innervation: premises, promises, and challenges. Cell Death Dis 2022; 8:131. [PMID: 35338118 PMCID: PMC8956600 DOI: 10.1038/s41420-022-00930-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/17/2021] [Accepted: 02/28/2022] [Indexed: 01/03/2023]
Abstract
A high intratumoral nerve density is correlated with poor survival, high metastasis, and high recurrence across multiple solid tumor types. Recent research has revealed that cancer cells release diverse neurotrophic factors and exosomes to promote tumor innervation, in addition, infiltrating nerves can also mediate multiple tumor biological processes via exosomes and neurotransmitters. In this review, through seminal studies establishing tumor innervation, we discuss the communication between peripheral nerves and tumor cells in the tumor microenvironment (TME), and revealed the nerve-tumor regulation mechanisms on oncogenic process, angiogenesis, lymphangiogenesis, and immunity. Finally, we discussed the promising directions of ‘old drugs newly used’ to target TME communication and clarified a new line to prevent tumor malignant capacity.
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Affiliation(s)
- Xinyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Xueqiang Peng
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shuo Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shibo Wei
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Qing Fan
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Jingang Liu
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Liang Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China.
| | - Hangyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China.
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Soukup J, Cesak T, Hornychova H, Manethova M, Michnova L, Netuka D, Vitovcova B, Cap J, Ryska A, Gabalec F. Cytokeratin 8/18-negative somatotroph pituitary neuroendocrine tumours (PitNETs, adenomas) show variable morphological features and do not represent a clinicopathologically distinct entity. Histopathology 2021; 79:406-415. [PMID: 33738859 DOI: 10.1111/his.14366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/02/2021] [Accepted: 03/16/2021] [Indexed: 11/30/2022]
Abstract
AIMS In somatotroph pituitary neuroendocrine tumours (adenomas), a pattern of cytokeratin (CK) 18 expression is used for tumour subclassification, with possible clinical implications. Rare somatotroph tumours do not express CK 18. We aimed to characterise this subset clinically and histologically. METHODS AND RESULTS Clinical and pathological data for the study were derived from a previously published data set of a cohort of 110 patients with acromegaly. Data included serum levels of insulin-like growth factor 1 (IGF1), growth hormone (GH), prolactin and thyroid-stimulating hormone (TSH), tumour diameter, tumour invasion defined by Knosp grade and immunohistochemical data concerning the expression of Ki67, p53, E-cadherin, somatostatin receptor (SSTR)1, SSTR2A, SSTR3, SSTR5 and D2 dopamine receptor. Additional immunohistochemical analysis (AE1/3, CK 8/18, vimentin, neurofilament light chain, internexin-α) was performed. CK 18 was negative in 10 of 110 (9.1%) tumours. One of these tumours was immunoreactive with CK 8/18 antibody, while the remainder expressed only internexin-α intermediate filament in patterns similar to CK 18 (perinuclear fibrous bodies). CK-negative tumours showed no significant differences with respect to biochemical, radiological or pathological features. They showed significantly higher expression of SSTR2A compared to the sparsely granulated subtype and significantly lower expression of E-cadherin compared to the non-sparsely granulated subtypes of tumours. The tumours showed divergent morphology and hormonal expression: two corresponded to densely granulated tumours and three showed co-expression of prolactin and morphology of either mammosomatotroph or somatotroph-lactotroph tumours. Four tumours showed morphology and immunoprofile compatible with plurihormonal Pit1-positive tumours. CONCLUSIONS CK-negative somatotroph tumours do not represent a distinct subtype of somatotroph tumours, and can be further subdivided according to their morphology and immunoprofile.
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Affiliation(s)
- Jiri Soukup
- The Fingerland Department of Pathology, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Tomas Cesak
- Department of Neurosurgery, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Helena Hornychova
- The Fingerland Department of Pathology, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Monika Manethova
- The Fingerland Department of Pathology, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Ludmila Michnova
- Department of Pathology, Military University Hospital Prague, Praha, Czech Republic
| | - David Netuka
- Department of Neurosurgery and Neurooncology, 1st Medical Faculty, Charles University, Military University Hospital Prague, Prague, Czech Republic
| | - Barbora Vitovcova
- Department of Medical Biology and Genetics, Faculty of Medicine Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
| | - Jan Cap
- 4th Department of Internal Medicine, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Ales Ryska
- The Fingerland Department of Pathology, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
| | - Filip Gabalec
- 4th Department of Internal Medicine, Faculty of Medicine Hradec Kralove, University Hospital, Charles University, Hradec Kralove, Czech Republic
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Dlamini Z, Mathabe K, Padayachy L, Marima R, Evangelou G, Syrigos KN, Bianchi A, Lolas G, Hull R. Many Voices in a Choir: Tumor-Induced Neurogenesis and Neuronal Driven Alternative Splicing Sound Like Suspects in Tumor Growth and Dissemination. Cancers (Basel) 2021; 13:cancers13092138. [PMID: 33946706 PMCID: PMC8125307 DOI: 10.3390/cancers13092138] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/16/2021] [Accepted: 04/24/2021] [Indexed: 12/27/2022] Open
Abstract
Simple Summary Significant progress has recently been made in understanding the role of the neuronal system in cancer biology, in many solid tumors such as prostate, breast, pancreatic, gastric and brain cancers. Solid tumors and the nervous system appear to influence each other’s development both directly and indirectly. A recurring element in such interactions is constituted by nerve-related substances such as neurotransmitters and neurotrophins, to which the first part of the current review is devoted. The second part of the review focuses on the potential role played by alternative splicing in cancer progression associated with neural signaling. Alternative splicing is the process where pre-mRNA is cut and re-ligated in different ways to give rise to multiple protein isoforms whose expression profile is often cancer specific. Alternative splicing is known to take place in the mRNA of genes that code for proteins involved in neuronal development and the creation of new nerve fibers. The change in alternative splicing patterns that occur as tumors develop and progress may make these splice variants potential targets for the development of drug treatments. They may also serve as diagnostic or prognostic biomarkers. Abstract During development, as tissues expand and grow, they require circulatory, lymphatic, and nervous system expansion for proper function and support. Similarly, as tumors arise and develop, they also require the expansion of these systems to support them. While the contribution of blood and lymphatic systems to the development and progression of cancer is well known and is targeted with anticancer drugs, the contribution of the nervous system is less well studied and understood. Recent studies have shown that the interaction between neurons and a tumor are bilateral and promote metastasis on one hand, and the formation of new nerve structures (neoneurogenesis) on the other. Substances such as neurotransmitters and neurotrophins being the main actors in such interplay, it seems reasonable to expect that alternative splicing and the different populations of protein isoforms can affect tumor-derived neurogenesis. Here, we report the different, documented ways in which neurons contribute to the development and progression of cancer and investigate what is currently known regarding cancer-neuronal interaction in several specific cancer types. Furthermore, we discuss the incidence of alternative splicing that have been identified as playing a role in tumor-induced neoneurogenesis, cancer development and progression. Several examples of changes in alternative splicing that give rise to different isoforms in nerve tissue that support cancer progression, growth and development have also been investigated. Finally, we discuss the potential of our knowledge in alternative splicing to improve tumor diagnosis and treatment.
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Affiliation(s)
- Zodwa Dlamini
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
- Correspondence:
| | - Kgomotso Mathabe
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
- Department of Urology, University of Pretoria, Pretoria 0084, South Africa
| | - Llewellyn Padayachy
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
- Department of Neurosurgery, University of Pretoria, Pretoria 0084, South Africa
| | - Rahaba Marima
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
| | - George Evangelou
- 3rd Department of Medicine, National & Kapodistrian University of Athens, 11527 Athens, Greece; (G.E.); (K.N.S.)
| | - Konstantinos N. Syrigos
- 3rd Department of Medicine, National & Kapodistrian University of Athens, 11527 Athens, Greece; (G.E.); (K.N.S.)
| | | | - Georgios Lolas
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
- 3rd Department of Medicine, National & Kapodistrian University of Athens, 11527 Athens, Greece; (G.E.); (K.N.S.)
| | - Rodney Hull
- SAMRC Precision Prevention and Novel Drug Targets for HIV-Associated Cancers (PPNDTHAC) Unit, Pan African Cancer Research Institute (PACRI), University of Pretoria, Hatfield 0028, South Africa; (K.M.); (L.P.); (R.M.); (G.L.); (R.H.)
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Boresowicz J, Kober P, Rusetska N, Maksymowicz M, Paziewska A, Dąbrowska M, Zeber-Lubecka N, Kunicki J, Bonicki W, Ostrowski J, Siedlecki JA, Bujko M. DNA Methylation Influences miRNA Expression in Gonadotroph Pituitary Tumors. Life (Basel) 2020; 10:E59. [PMID: 32413978 PMCID: PMC7281098 DOI: 10.3390/life10050059] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/30/2022] Open
Abstract
microRNAs are involved in pathogenesis of cancer. DNA methylation plays a role in transcription of miRNA-encoding genes and may contribute to changed miRNA expression in tumors. This issue was not investigated in pituitary neuroendocrine tumors (PitNETs) previously. DNA methylation patterns, assessed with HumanMethylation450K arrays in 34 PitNETs and five normal pituitaries, were used to determine differentially methylated CpGs located at miRNA genes. It showed aberrant methylation in regions encoding for 131 miRNAs. DNA methylation data and matched miRNA expression profiles, determined with next-generation sequencing (NGS) of small RNAs, were correlated in 15 PitNETs. This showed relationship between methylation and expression levels for 12 miRNAs. DNA methylation and expression levels of three of them (MIR145, MIR21, and MIR184) were determined in the independent group of 80 tumors with pyrosequencing and qRT-PCR and results confirmed both aberrant methylation in PitNETs and correlation between methylation and expression. Additionally, in silico target prediction was combined with analysis of established miRNA profiles and matched mRNA expression pattern, assessed with amplicon-based NGS to indicate putative target genes of epigenetically deregulated miRNAs. This study reveals aberrant DNA methylation in miRNA-encoding genes in gonadotroph PitNETs. Methylation changes affect expression level of miRNAs that regulate putative target genes with tumorigenesis-relevant functions.
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Affiliation(s)
- Joanna Boresowicz
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.B.); (P.K.); (N.R.); (J.A.S.)
| | - Paulina Kober
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.B.); (P.K.); (N.R.); (J.A.S.)
| | - Natalia Rusetska
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.B.); (P.K.); (N.R.); (J.A.S.)
| | - Maria Maksymowicz
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
| | - Agnieszka Paziewska
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.P.); (M.D.); (J.O.)
- Department of Gastroenterology, Hepatology and Clinical Oncology, Medical Center for Postgraduate Education, 01-813 Warsaw, Poland;
| | - Michalina Dąbrowska
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.P.); (M.D.); (J.O.)
| | - Natalia Zeber-Lubecka
- Department of Gastroenterology, Hepatology and Clinical Oncology, Medical Center for Postgraduate Education, 01-813 Warsaw, Poland;
| | - Jacek Kunicki
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.K.); (W.B.)
| | - Wiesław Bonicki
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.K.); (W.B.)
| | - Jerzy Ostrowski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.P.); (M.D.); (J.O.)
- Department of Gastroenterology, Hepatology and Clinical Oncology, Medical Center for Postgraduate Education, 01-813 Warsaw, Poland;
| | - Janusz A. Siedlecki
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.B.); (P.K.); (N.R.); (J.A.S.)
| | - Mateusz Bujko
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (J.B.); (P.K.); (N.R.); (J.A.S.)
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Progenitors from the central nervous system drive neurogenesis in cancer. Nature 2019; 569:672-678. [PMID: 31092925 DOI: 10.1038/s41586-019-1219-y] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 04/23/2019] [Indexed: 12/27/2022]
Abstract
Autonomic nerve fibres in the tumour microenvironment regulate cancer initiation and dissemination, but how nerves emerge in tumours is currently unknown. Here we show that neural progenitors from the central nervous system that express doublecortin (DCX+) infiltrate prostate tumours and metastases, in which they initiate neurogenesis. In mouse models of prostate cancer, oscillations of DCX+ neural progenitors in the subventricular zone-a neurogenic area of the central nervous system-are associated with disruption of the blood-brain barrier, and with the egress of DCX+ cells into the circulation. These cells then infiltrate and reside in the tumour, and can generate new adrenergic neurons. Selective genetic depletion of DCX+ cells inhibits the early phases of tumour development in our mouse models of prostate cancer, whereas transplantation of DCX+ neural progenitors promotes tumour growth and metastasis. In humans, the density of DCX+ neural progenitors is strongly associated with the aggressiveness and recurrence of prostate adenocarcinoma. These results reveal a unique crosstalk between the central nervous system and prostate tumours, and indicate neural targets for the treatment of cancer.
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Yang Z, Zhang T, Gao H. Genetic aspects of pituitary carcinoma: A systematic review. Medicine (Baltimore) 2016; 95:e5268. [PMID: 27893664 PMCID: PMC5134857 DOI: 10.1097/md.0000000000005268] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 09/27/2016] [Accepted: 10/08/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Pituitary carcinoma (PC) is a rare type of malignant intracranial neoplasm defined as distant metastasis of pituitary adenoma (PA). Although PC incidence is low because only 0.1% to 0.2% of PAs ultimately develop into PCs, the prognosis is poor and 66% of patients die within the first year. Existing therapeutic measures, including surgical removal, chemotherapy, and radiotherapy, have limited effectiveness. The lack of efficacy of current treatments is largely caused by the limited understanding of the molecular pathogenesis of PA and the malignant transformation to PC. Therefore, the aim of this systematic review was to summarize published research regarding gene and protein expression in PC to clarify the molecular mechanisms underlying PC genesis and development and identify new candidate diagnostic biomarkers and therapeutic targets for potential use in personalized treatment of PC. METHODS We followed the PRISMA guidelines to plan and conduct this systematic review. PubMed, Embase, and Web of Science databases were searched for relevant studies conducted before December 16, 2015 describing the association of PC with gene expression at the mRNA and protein levels. MeSH terms combined with free terms were used to retrieve the references. RESULTS In total, 207 records were obtained by primary search, and 32 were included in the systematic review. Compared with normal pituitary gland and/or PA, 30 and 18 genes were found to have higher or lower expression, respectively, in PCs using different analytical methods. Among them, we selected 9 upregulated and 7 downregulated genes for further analysis based on their identification as candidate treatment targets in other cancers, potential clinical application, or further research value. CONCLUSION Previous studies demonstrated that many genes promote PC malignant transformation, angiogenesis, invasion, metastasis, and recurrence. Although most of these genes and proteins have not been fully analyzed with regard to their downstream mechanisms or potential diagnostic and therapeutic application, they have the potential to become candidate PC biomarkers and/or molecular targets for guiding personalized treatment. Modern advanced technologies should be utilized in future research to identify more candidate genes for PC pathogenesis, as precisely targeted gene therapies against PC are urgently required.
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Affiliation(s)
- Zijiang Yang
- Department of Neurosurgery, Jiangyin People's Hospital Affiliated to Nantong University
| | - Ting Zhang
- Central Laboratory, Jiangyin People's Hospital Affiliated to Nantong University
| | - Heng Gao
- Department of Neurosurgery, Jiangyin people's Hospital Affiliated to Nantong University, Jiangyin, Wuxi, China
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Schult D, Hölsken A, Siegel S, Buchfelder M, Fahlbusch R, Kreitschmann-Andermahr I, Buslei R. EZH2 is highly expressed in pituitary adenomas and associated with proliferation. Sci Rep 2015; 5:16965. [PMID: 26593398 PMCID: PMC4655333 DOI: 10.1038/srep16965] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/22/2015] [Indexed: 12/12/2022] Open
Abstract
Enhancer of zeste homolog 2 (EZH2) is a core epigenetic regulator, playing a crucial role in cell cycle regulation. The protein is known to be associated with proliferation and worse outcome in several tumor entities. In this study, we immunohistochemically investigated the expression pattern of EZH2 in a large cohort of pituitary tumors. These results were correlated with clinical features and double immunofluorescence stainings (DIS) were conducted to evaluate co-expression of EZH2 and proliferation marker Ki-67. Furthermore, we analyzed the effect of EZH2 inhibition on cell proliferation in vitro using the pituitary cell line AtT-20. While in the normal anterior pituitary EZH2 was almost absent, the cohort of tumors showed enhanced expression levels (p ≤ 0.0005). This was positively associated with Ki-67 indices (r = 0.834, p ≤ 0.0005) and DIF confirmed a predominant co-expression of both markers. In vitro experiments revealed a significant (p ≤ 0.05) decrease of tumor cell proliferation using the EZH2 inhibitor GSK126. Our results further support that epigenetic events are involved in the pathogenesis and biology of pituitary adenomas (PA). Therefore, EZH2 may function as a new potential target for therapeutic interventions in PA.
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Affiliation(s)
- David Schult
- Institute of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen
| | - Annett Hölsken
- Institute of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen
| | - Sonja Siegel
- Department of Neurosurgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen.,Department of Neurosurgery, University of Duisburg-Essen, Hufelandstraße 55, 45122 Essen
| | - Michael Buchfelder
- Department of Neurosurgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen
| | - Rudolf Fahlbusch
- Department of Neurosurgery, International Neuroscience Institute, Rudolf-Pichlmayr-Straße 4, 30625 Hannover
| | - Ilonka Kreitschmann-Andermahr
- Department of Neurosurgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen.,Department of Neurosurgery, University of Duisburg-Essen, Hufelandstraße 55, 45122 Essen
| | - Rolf Buslei
- Institute of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054 Erlangen
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