Research Topics
Species | Andrey KorshunovSummaryAffiliation: Neurosurgical NN Burdenko Institute Country: Russia Publications
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Detail Information
Publications
Prognostic value of tumour associated antigen immunoreactivity and apoptosis in cerebral glioblastomas: an analysis of 168 casesA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Clin Pathol 52:574-80. 1999..To evaluate a possible association between clinical outcome in patients with glioblastoma and expression of some immunohistochemical variables and apoptosis...
DNA topoisomerase II-alpha and cyclin A immunoexpression in meningiomas and its prognostic significance: an analysis of 263 casesAndrey Korshunov
Department of Neuropathology, Burdenko Neurosurgical Institute, Moscow, Russia
Arch Pathol Lab Med 126:1079-86. 2002..Therefore, numerous efforts have been made to evaluate the meningioma growth fraction and its prognostic value. However, a universally applicable proliferative marker for meningioma outcome is not yet a reality...
Immunohistochemical analysis of p16INK4a, p14ARF, p18INK4c, p21CIP1, p27KIP1 and p73 expression in 271 meningiomas correlation with tumor grade and clinical outcomeAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
Int J Cancer 104:728-34. 2003..Further studies are needed to identify more reliable prognostic markers and to address in more detail the role of cell cycle aberrations in these tumors...
The histologic grade is a main prognostic factor for patients with intracranial ependymomas treated in the microneurosurgical era: an analysis of 258 patientsAndrey Korshunov
Department of Neuropathology, Burdenko Neurosurgical Institute, Moscow, Russia
Cancer 100:1230-7. 2004..It has been shown that the histologic classification of ependymoma is a significant predictor of clinical outcome in patients with ependymoma...
Molecular stratification of diagnostically challenging high-grade gliomas composed of small cells: the utility of fluorescence in situ hybridizationAndrey Korshunov
Department of Neuropathology, NN Burdenko Neurosurgical Institute, Fadeeva Str 5, Moscow, 125047, Russia
Clin Cancer Res 10:7820-6. 2004..The aim of this study was molecular stratification of morphologically ambiguous high-grade gliomas composed from small cells. Fluorescence in situ hybridization (FISH) with commercially available probes was used for this purpose...
Clinical utility of fluorescence in situ hybridization (FISH) in nonbrainstem glioblastomas of childhoodAndrey Korshunov
Department of Neuropathology, NN Burdenko Neurosurgical Institute, Moscow, Russia
Mod Pathol 18:1258-63. 2005..In conclusion, a FISH analysis of 10q23 dosage should be recommended as an ancillary laboratory method that allows further clinical subdivision of pediatric glioblastomas...
The prognostic relevance of molecular alterations in glioblastomas for patients age < 50 yearsAndrey Korshunov
Department of Neuropathology, N N Burdenko Neurosurgical Institute, Moscow, Russia
Cancer 104:825-32. 2005..The objective of the current study was the molecular analysis of glioblastomas from adult patients age < 50 years ("young adults")...
Genetically distinct and clinically relevant subtypes of glioblastoma defined by array-based comparative genomic hybridization (array-CGH)Andrey Korshunov
Department of Neuropathology, NN Burdenko Neurosurgical Institute, Fadeeva Str 5, 125047, Moscow, Russia
Acta Neuropathol 111:465-74. 2006..Therefore, array-CGH screening of glioblastomas could provide clinically useful information and, perhaps, potentially improve the quality of treatment...
Recurrent cytogenetic aberrations in histologically benign, invasive meningiomas of the sphenoid regionAndrey Korshunov
Department of Neuropathology, N N Burdenko Neurosurgical Institute, 4 th Tverskaya Yamskaya str 16, Fadeeva Str 5, Moscow, 125047, Russia
J Neurooncol 81:131-7. 2007..Inasmuch as no reliable adjuvant therapy for recurrent meningiomas is available thus far, revealed genomic aberrations can provide a potential targets for drug discovery and therapeutic intervention in a future...
Recurrent cytogenetic aberrations in central neurocytomas and their biological relevanceAndrey Korshunov
Department of Neuropathology, NN Burdenko Neurosurgical Institute, Fadeeva Str 5, Moscow, 125047, Russia
Acta Neuropathol 113:303-12. 2007..Thus these data support that MYCN oncogene gain/overexpression accompanied by reduced expression of BIN1 tumor suppressor may contribute to central neurocytoma tumorigenesis...
Immunohistochemical markers for prognosis of average-risk pediatric medulloblastomas. The effect of apoptotic index, TrkC, and c-myc expressionAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 58:271-9. 2002....
Immunohistochemical markers for prognosis of ependymal neoplasmsAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 58:255-70. 2002....
Immunohistochemical markers for prognosis of oligodendroglial neoplasmsAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 58:237-53. 2002....
Prognostic value of immunoexpression of the chemoresistance-related proteins in ependymomas: an analysis of 76 casesA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 45:219-27. 1999..02; P = 0.02). The obtained results allow one to conclude that ChRPs expression is closely associated with low-grade ependymomas and immunohistochemical findings may be estimated as a predictor for local tumor progression...
The prognostic significance of vascular endothelial growth factor (VEGF C-1) immunoexpression in oligodendroglioma. An analysis of 91 casesA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 48:13-9. 2000....
The prognostic significance of DNA topoisomerase II-alpha (Ki-S1), p21/Cip-1, and p27/Kip-1 protein immunoexpression in oligodendrogliomasA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
Arch Pathol Lab Med 125:892-8. 2001....
Pleomorphic xanthoastrocytomas: immunohistochemistry, grading and clinico-pathologic correlations. An analysis of 34 cases from a single InstituteA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 52:63-72. 2001..No one from immunohistochemical variables reached significant value. In summary, the three-tiered PXAs subdivision proposed by us is carrying some element of rationality but, undoubtedly, requires further prospective studies...
p14ARF protein (FL-132) immunoreactivity in intracranial ependymomas and its prognostic significance: an analysis of 103 casesA Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
Acta Neuropathol 102:271-7. 2001..56; P=0.0003); and (4) most beneficial information for evaluation of malignant ependymoma outcome should be elicited from simultaneous immunohistochemical investigation of p14 ARF and p53 in tumor specimen...
Immunohistochemical analysis of p18INK4C and p14ARF protein expression in 117 oligodendrogliomas: correlation with tumor grade and clinical outcomeAndrey Korshunov
Department of Neuropathology, Burdenko Neurosurgical Institute, Moscow, Russia
Arch Pathol Lab Med 126:42-8. 2002..To investigate immunoexpression of 2 cyclin-dependent kinase inhibitors, p18INK4C (p18) and p14ARF (p14), in oligodendrogliomas and to evaluate the possible association with tumor grade and clinical outcome...
Immunohistochemical markers for prognosis of anaplastic astrocytomasAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 58:203-15. 2002..Thus, the results obtained reveal the advantage of combined approach including evaluation of routine histological parameters and immunohistochemical variables for further clinical subdivision of anaplastic astrocytomas...
Immunohistochemical markers for prognosis of cerebral glioblastomasAndrey Korshunov
Department of Neuropathology, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurooncol 58:217-36. 2002..Therefore, the glioblastoma subdivision on three cytological subsets proposed by us is carrying some element of rationality but, undoubtedly, requires further prospective studies...
Immunohistochemical markers for intracranial ependymoma recurrence. An analysis of 88 casesA Korshunov
Department of Neuropathology Surgery, Neurosurgical NN Burdenko Institute, Moscow, Russia
J Neurol Sci 177:72-82. 2000..So, the immunohistochemical variables were found to be strongest predictors of ependymoma recurrence and they seem to be useful for assessing individual tumor prognosis in routinely processed biopsy specimen...
Gains at the 1p36 chromosomal region are associated with symptomatic leptomeningeal dissemination of supratentorial glioblastomasAndrey Korshunov
The Department of Neuropathology, Burdenko Neurosurgical Institute, Moscow, Russia
Am J Clin Pathol 127:585-90. 2007..1 locus involving at least 3 DNA clones from this chromosomal region. Consequently, an analysis of 1p copy number status might be kept in mind as an additional tool for further predicting the clinical course of glioblastoma...
Gene expression patterns in ependymomas correlate with tumor location, grade, and patient ageAndrey Korshunov
Department of Neuropathology, Neurosurgical Nikolai Nilovich Burdenko Institute, Moscow, Russia
Am J Pathol 163:1721-7. 2003..In summary, our results provide new insight in the biochemical pathways particularly intriguing in the pathomechanism of ependymomas and suggest that this entity comprises molecularly distinct diseases...
Fast detection of MYCN copy number alterations in brain neuronal tumors by real-time PCRS G Malakho
Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
J Clin Lab Anal 22:123-30. 2008..01) between qPCR and FISH/array-CGH. Absolute qPCR assays possess high precision compared to other conventional methods and can be used for accurate and quickness detection of MYCN status (low-level gene gain and amplification)...
Supratentorial primitive neuroectodermal tumors of the central nervous system frequently harbor deletions of the CDKN2A locus and other genomic aberrations distinct from medulloblastomasStefan Pfister
Division Molecular Genetics, German Cancer Research Center, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
Genes Chromosomes Cancer 46:839-51. 2007..02) were confirmed to be more frequent in medulloblastomas. These data further support the hypothesis of two different tumor entities of embryonal neuroepithelial tumors with characteristic genetic aberrations. (c) 2007 Wiley-Liss, Inc...
Chromosomal imbalances in clear cell ependymomasChristian H Rickert
Department of Anatomical Pathology, Royal Children s Hospital Melbourne, Melbourne, Australia, and Institute of Neuropathology, University Hospital Munster, Munster, Germany
Mod Pathol 19:958-62. 2006....
Identification of gains on 1q and epidermal growth factor receptor overexpression as independent prognostic markers in intracranial ependymomaFrank Mendrzyk
Division of Molecular Genetics and Central Unit Biostatistics, German Cancer Research Center, Heidelberg, Germany
Clin Cancer Res 12:2070-9. 2006..Pathogenesis of ependymomas is still poorly understood and molecular markers for risk-adapted patient stratification are not available. Our aim was to screen for novel genomic imbalances and prognostic markers in ependymal tumors...
Isochromosome breakpoints on 17p in medulloblastoma are flanked by different classes of DNA sequence repeatsFrank Mendrzyk
Division of Molecular Genetics, German Cancer Research Center, Heidelberg, Germany
Genes Chromosomes Cancer 45:401-10. 2006..Furthermore, we identified artifacts introduced in DNA copy number data by cross-hybridization of low-copy repeat sequences and discuss the challenge these can pose in the interpretation of diagnostic microarrays...
Genomic and protein expression profiling identifies CDK6 as novel independent prognostic marker in medulloblastomaFrank Mendrzyk
Division of Molecular Genetics B060, German Cancer Research Center, Im Neuenheimer Feld 580, 69120 Heidelberg, Germany
J Clin Oncol 23:8853-62. 2005..Identification of molecular markers for prognosis and development of novel pathogenesis-based therapies depends crucially on a better understanding of medulloblastoma pathomechanisms...
Microarray-based screening for molecular markers in medulloblastoma revealed STK15 as independent predictor for survivalKai Neben
Division of Molecular Genetics (B060, Deutsches Krebsforschungszentrum, Heidelberg, Germany
Cancer Res 64:3103-11. 2004....
BRAF gene duplication constitutes a mechanism of MAPK pathway activation in low-grade astrocytomasStefan Pfister
Division Molecular Genetics, German Cancer Research Center DKFZ, Heidelberg, Germany
J Clin Invest 118:1739-49. 2008....
