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Khorrami M, Pastras C, Haynes PA, Mirzaei M, Asadnia M. The Current State of Proteomics and Metabolomics for Inner Ear Health and Disease. Proteomes 2024; 12:17. [PMID: 38921823 PMCID: PMC11207525 DOI: 10.3390/proteomes12020017] [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: 01/21/2024] [Revised: 05/25/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
Characterising inner ear disorders represents a significant challenge due to a lack of reliable experimental procedures and identified biomarkers. It is also difficult to access the complex microenvironments of the inner ear and investigate specific pathological indicators through conventional techniques. Omics technologies have the potential to play a vital role in revolutionising the diagnosis of ear disorders by providing a comprehensive understanding of biological systems at various molecular levels. These approaches reveal valuable information about biomolecular signatures within the cochlear tissue or fluids such as the perilymphatic and endolymphatic fluid. Proteomics identifies changes in protein abundance, while metabolomics explores metabolic products and pathways, aiding the characterisation and early diagnosis of diseases. Although there are different methods for identifying and quantifying biomolecules, mass spectrometry, as part of proteomics and metabolomics analysis, could be utilised as an effective instrument for understanding different inner ear disorders. This study aims to review the literature on the application of proteomic and metabolomic approaches by specifically focusing on Meniere's disease, ototoxicity, noise-induced hearing loss, and vestibular schwannoma. Determining potential protein and metabolite biomarkers may be helpful for the diagnosis and treatment of inner ear problems.
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Affiliation(s)
- Motahare Khorrami
- Faculty of Science and Engineering, School of Engineering, Macquarie University, Sydney 2109, NSW, Australia; (M.K.); (C.P.)
| | - Christopher Pastras
- Faculty of Science and Engineering, School of Engineering, Macquarie University, Sydney 2109, NSW, Australia; (M.K.); (C.P.)
| | - Paul A. Haynes
- School of Natural Sciences, Macquarie University, Macquarie Park, Sydney 2109, NSW, Australia;
| | - Mehdi Mirzaei
- Department of Clinical Medicine, Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Macquarie Park, North Ryde, Sydney 2109, NSW, Australia;
| | - Mohsen Asadnia
- Faculty of Science and Engineering, School of Engineering, Macquarie University, Sydney 2109, NSW, Australia; (M.K.); (C.P.)
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Tesařová M, Boušková T, Cejnar P, Šantrůček J, Peterková L, Fík Z, Sázelová P, Kašička V, Hynek R. Characterization of vestibular schwannoma tissues using liquid chromatography-tandem mass spectrometry analysis of specific peptide fragments separated by in-sample tryptic protein digestion followed by mathematical analysis. J Sep Sci 2023; 46:e2300543. [PMID: 37735989 DOI: 10.1002/jssc.202300543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023]
Abstract
Vestibular schwannoma is the most common benign neoplasm of the cerebellopontine angle. Its first symptoms include hearing loss, tinnitus, and vestibular symptoms, followed by cerebellar and brainstem symptoms, along with palsy of the adjacent cranial nerves. However, the clinical picture has unpredictable dynamics and currently, there are no reliable predictors of tumor behavior. Hence, it is desirable to have a fast routine method for analysis of vestibular schwannoma tissues at the molecular level. The major objective of this study was to verify whether a technique using in-sample specific protein digestion with trypsin would have the potential to provide a proteomic characterization of these pathological tissues. The achieved results showed that the use of this approach with subsequent liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis of released peptides allowed a fast identification of a considerable number of proteins in two differential parts of vestibular schwannoma tissue as well as in tissues of control healthy samples. Furthermore, mathematical analysis of MS data was able to discriminate between pathological vestibular schwannoma tissues and healthy tissues. Thus, in-sample protein digestion combined with LC-MS/MS separation and identification of released specific peptides followed by mathematical analysis appears to have the potential for routine characterization of vestibular schwannomas at the molecular level. Data are available via ProteomeXchange with identifier PXD045261.
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Affiliation(s)
- Michaela Tesařová
- Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine Charles University and Motol University Hospital, Prague 5, Czech Republic
- Institute of Anatomy, First Faculty of Medicine, Charles University, Prague 2, Czech Republic
| | - Tereza Boušková
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague 6, Czech Republic
| | - Pavel Cejnar
- Department of Mathematics, Informatics and Cybernetics, University of Chemistry and Technology, Prague 6, Czech Republic
| | - Jiří Šantrůček
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague 6, Czech Republic
| | - Lenka Peterková
- Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine Charles University and Motol University Hospital, Prague 5, Czech Republic
- Institute of Anatomy, First Faculty of Medicine, Charles University, Prague 2, Czech Republic
| | - Zdeněk Fík
- Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine Charles University and Motol University Hospital, Prague 5, Czech Republic
| | - Petra Sázelová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague 6, Czech Republic
| | - Václav Kašička
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague 6, Czech Republic
| | - Radovan Hynek
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague 6, Czech Republic
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Peker S, Samanci Y, Ozdemir IE, Kunst HPM, Eekers DBP, Temel Y. Long-term results of upfront, single-session Gamma Knife radiosurgery for large cystic vestibular schwannomas. Neurosurg Rev 2022; 46:2. [PMID: 36471101 DOI: 10.1007/s10143-022-01911-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Anecdotally, cystic vestibular schwannomas (cVSs) are regarded to have unpredictable biologic activity with poorer clinical results, and most studies showed a less favorable prognosis following surgery. While stereotactic radiosurgery (SRS) is a well-established therapeutic option for small- to medium-sized VSs, cVSs are often larger, thus making upfront SRS more complicated. The purpose of this retrospective study was to assess the efficacy and safety of upfront SRS for large cVSs. The authors reviewed the data of 54 patients who received upfront, single-session Gamma Knife radiosurgery (GKRS) with a diagnosis of large cVS (> 4 cm3). Patients with neurofibromatosis type 2, multiple VSs, or recurrent VSs and < 24 months of clinical and neuroimaging follow-up were excluded. Hearing loss (48.1%) was the primary presenting symptom. The majority of cVSs were Koos grade IV (66.7%), and the most prevalent cyst pattern was "mixed pattern of small and big cysts" (46.3%). The median time between diagnosis and GKRS was 12 months (range, 1-147 months). At GKRS, the median cVS volume was 6.95 cm3 (range, 4.1-22 cm3). The median marginal dose was 12 Gy (range, 10-12 Gy). The mean radiological and clinical follow-up periods were 62.2 ± 34.04 months (range, 24-169 months) and 94.9 ± 45.41 months (range, 24-175 months), respectively. At 2, 6, and 12 years, the tumor control rates were 100%, 95.7%, and 85.0%, respectively. Tumor shrinkage occurred in 92.6% of patients (n = 50), tumor volume remained stable in 5.6% of patients (n = 3), and tumor growth occurred in 1.9% of patients (n = 1). At a median follow-up of 53.5 months, the pre-GKRS tumor volume significantly decreased to 2.35 cm3 (p < 0.001). While Koos grade 3 patients had a greater possibility of attaining higher volume reduction, "multiple small thick-walled cyst pattern" and smaller tumor volumes decreased the likelihood of achieving higher volume reduction. Serviceable hearing (Gardner-Robertson Scale I-II) was present in 16.7% of patients prior to GKRS and it was preserved in all of these patients following GKRS. After GKRS, 1.9% of patients (n = 1) had new-onset trigeminal neuralgia. There was no new-onset facial palsy, hemifacial spasm, or hydrocephalus. Contrary to what was believed, our findings suggest that upfront GKRS seems to be a safe and effective treatment option for large cVSs.
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Affiliation(s)
- Selcuk Peker
- Department of Neurosurgery, School of Medicine, Koç University, Davutpasa Caddesi No. 4, 34010, Zeytinburnu, Istanbul, Turkey.
- Gamma Knife Center, Department of Neurosurgery, Koç University Hospital, Istanbul, Turkey.
- School for Mental Health and Neuroscience (MHeNS), Maastricht University Medical Center, Maastricht, The Netherlands.
| | - Yavuz Samanci
- Gamma Knife Center, Department of Neurosurgery, Koç University Hospital, Istanbul, Turkey
- Department of Neurosurgery, Koç University Hospital, Istanbul, Turkey
| | - Inan Erdem Ozdemir
- Gamma Knife Center, Department of Neurosurgery, Koç University Hospital, Istanbul, Turkey
| | - Henricus P M Kunst
- Department of Otorhinolaryngology, Maastricht University Medical Center, Maastricht, The Netherlands
- Department of Otorhinolaryngology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Dutch Academic Alliance Skull Base Pathology, Maastricht University Medical Center, Radboud University Medical Center, Maastricht/Nijmegen, The Netherlands
| | - Daniëlle B P Eekers
- Dutch Academic Alliance Skull Base Pathology, Maastricht University Medical Center, Radboud University Medical Center, Maastricht/Nijmegen, The Netherlands
- Department of Radiation Oncology (Maastro), GROW School for Oncology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Yasin Temel
- School for Mental Health and Neuroscience (MHeNS), Maastricht University Medical Center, Maastricht, The Netherlands
- Dutch Academic Alliance Skull Base Pathology, Maastricht University Medical Center, Radboud University Medical Center, Maastricht/Nijmegen, The Netherlands
- Department of Neurosurgery, Maastricht University Medical Center, Maastricht, The Netherlands
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Zhang Y, Long J, Ren J, Huang X, Zhong P, Wang B. Potential Molecular Biomarkers of Vestibular Schwannoma Growth: Progress and Prospects. Front Oncol 2021; 11:731441. [PMID: 34646772 PMCID: PMC8503266 DOI: 10.3389/fonc.2021.731441] [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: 06/27/2021] [Accepted: 09/06/2021] [Indexed: 12/25/2022] Open
Abstract
Vestibular schwannomas (VSs, also known as acoustic neuromas) are relatively rare benign brain tumors stem from the Schwann cells of the eighth cranial nerve. Tumor growth is the paramount factor for neurosurgeons to decide whether to choose aggressive treatment approach or careful follow-up with regular magnetic resonance imaging (MRI), as surgery and radiation can introduce significant trauma and affect neurological function, while tumor enlargement during long-term follow-up will compress the adjacent nerves and tissues, causing progressive hearing loss, tinnitus and vertigo. Recently, with the deepening research of VS biology, some proteins that regulate merlin conformation changes, inflammatory cytokines, miRNAs, tissue proteins and cerebrospinal fluid (CSF) components have been proposed to be closely related to tumor volume increase. In this review, we discuss advances in the study of biomarkers that associated with VS growth, providing a reference for exploring the growth course of VS and determining the optimal treatment strategy for each patient.
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Affiliation(s)
- Yu Zhang
- Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai, China
| | - Jianfei Long
- Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai, China
| | - Junwei Ren
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiang Huang
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Ping Zhong
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Bin Wang
- Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai, China
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