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Calbindin-D28k in subsets of medulloblastomas and in the human medulloblastoma cell line D283 Med. 1995

C D Katsetos, and M M Herman, and L Krishna, and J R Vender, and S A Vinores, and D P Agamanolis, and D Schiffer, and P C Burger, and H Urich
Neuropathology Laboratory, Hahnemann University, Philadelphia, PA 19102-1192, USA.

OBJECTIVE To evaluate the antigenic expression of calbindin-D28k in surgically resected cerebellar medulloblastomas and the human medulloblastoma cell line D283 Med in relation to glial neoplasms, the human glioblastoma (U-251 MG) and rat glioma (C-6) cell lines, and other primary and metastatic brain tumors. METHODS Immunohistochemical staining was performed using an antiserum and a monoclonal antibody against calbindin-D28k on (1) formalin-fixed, paraffin-embedded human, predominantly posterior fossa, brain tumor specimens (49 medulloblastomas, 59 glial and mesenchymal primary central nervous system tumors, 1 posterior fossa rhabdoid tumor, and 34 metastatic tumors); (2) formalin-70% alcohol-, or Bouin's-fixed tumor cell lines (D283 Med, U-251 MG, and C-6) maintained in a three-dimensional gelatin foam (Gelfoam matrix) system, with or without treatment with dibutyryl cyclic adenosine monophosphate; and (3) formalin-fixed, paraffin-embedded C-6 glioma cells transplanted intracerebrally to rats. RESULTS Calbindin-D28k immunohistochemical staining was detected in 20 of 49 cerebellar medulloblastomas and in cells of the human medulloblastoma cell line D283 Med grown in gelatin Gelfoam matrices, with or without treatment with dibutyryl cyclic adenosine monophosphate. In surgical resection specimens, calbindin-D28k reactivity was evident in populations of poorly differentiated cells of classic (non-nodular) medulloblastomas (16/20) and in mature Purkinje neuronlike phenotypes in medulloblastomas with ganglion cells (4/6) but was absent in desmoplastic medulloblastomas, including in areas of neoplastic neuritogenesis ("pale islands") (0/23). Calbindin-D28k staining was also present in D283 Med explants for up to 29 days in vitro. Reactivity was more widespread in dibutyryl cyclic adenosine monophosphate-treated cultures, coinciding with neuronal morphologic alterations of cultured cells. Focal calbindin-D28k stainig was present in neural-like cells of an embryonal cerebellar tumor with divergent mesenchymal, epithelial, and neuroectodermal/neuroendocrine differentiation suggestive of a malignant rhabdoid tumor. No calbindin-D28k staining was obtained in primary glial and mesenchymal (intra- and extra-axial) brain tumors (0/59), in explants of human glioblastoma cell line U-251 MG, or in the rat glioma line C-6 maintained in Gelfoam matrices or transplanted intracerebrally. Among 34 epithelial and mesenchymal tumors metastatic to the posterior fossa, only subpopulations of cells in two small-cell (neuroendocrine) carcinomas originating in the lung were calbindin positive. CONCLUSIONS Calbindin-D28k expression in classic medulloblastomas, medulloblastomas with ganglion cells, and in the human medulloblastoma cell line D283 Med (which was derived from a metastatic classic medulloblastoma) suggests a phenotypic kinship between subsets of this tumor and neuronal progeny of the ventricular neuroepithelium, thus conferring additional support for its neuroblastic nature.

UI MeSH Term Description Entries
D008527 Medulloblastoma A malignant neoplasm that may be classified either as a glioma or as a primitive neuroectodermal tumor of childhood (see NEUROECTODERMAL TUMOR, PRIMITIVE). The tumor occurs most frequently in the first decade of life with the most typical location being the cerebellar vermis. Histologic features include a high degree of cellularity, frequent mitotic figures, and a tendency for the cells to organize into sheets or form rosettes. Medulloblastoma have a high propensity to spread throughout the craniospinal intradural axis. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2060-1) Arachnoidal Cerebellar Sarcoma, Circumscribed,Medulloblastoma, Desmoplastic,Medullomyoblastoma,Sarcoma, Cerebellar, Circumscribed Arachnoidal,Medulloblastoma, Adult,Medulloblastoma, Childhood,Melanocytic Medulloblastoma,Adult Medulloblastoma,Adult Medulloblastomas,Childhood Medulloblastoma,Childhood Medulloblastomas,Desmoplastic Medulloblastoma,Desmoplastic Medulloblastomas,Medulloblastoma, Melanocytic,Medulloblastomas,Medulloblastomas, Adult,Medulloblastomas, Childhood,Medulloblastomas, Desmoplastic,Medulloblastomas, Melanocytic,Medullomyoblastomas,Melanocytic Medulloblastomas
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D009419 Nerve Tissue Proteins Proteins, Nerve Tissue,Tissue Proteins, Nerve
D002528 Cerebellar Neoplasms Primary or metastatic neoplasms of the CEREBELLUM. Tumors in this location frequently present with ATAXIA or signs of INTRACRANIAL HYPERTENSION due to obstruction of the fourth ventricle. Common primary cerebellar tumors include fibrillary ASTROCYTOMA and cerebellar HEMANGIOBLASTOMA. The cerebellum is a relatively common site for tumor metastases from the lung, breast, and other distant organs. (From Okazaki & Scheithauer, Atlas of Neuropathology, 1988, p86 and p141) Benign Cerebellar Neoplasms,Cerebellar Cancer,Malignant Cerebellar Neoplasms,Cerebellar Neoplasms, Benign,Cerebellar Neoplasms, Malignant,Cerebellar Neoplasms, Primary,Cerebellar Tumors,Neoplasms, Cerebellar,Neoplasms, Cerebellar, Benign,Neoplasms, Cerebellar, Malignant,Neoplasms, Cerebellar, Primary,Primary Neoplasms, Cerebellum,Benign Cerebellar Neoplasm,Cancer, Cerebellar,Cerebellar Cancers,Cerebellar Neoplasm,Cerebellar Neoplasm, Benign,Cerebellar Neoplasm, Malignant,Cerebellar Neoplasm, Primary,Cerebellar Tumor,Cerebellum Primary Neoplasm,Cerebellum Primary Neoplasms,Malignant Cerebellar Neoplasm,Neoplasm, Benign Cerebellar,Neoplasm, Cerebellar,Neoplasm, Cerebellum Primary,Neoplasm, Malignant Cerebellar,Primary Cerebellar Neoplasm,Primary Cerebellar Neoplasms,Primary Neoplasm, Cerebellum,Tumor, Cerebellar
D003388 Cranial Fossa, Posterior The infratentorial compartment that contains the CEREBELLUM and BRAIN STEM. It is formed by the posterior third of the superior surface of the body of the sphenoid (SPHENOID BONE), by the occipital, the petrous, and mastoid portions of the TEMPORAL BONE, and the posterior inferior angle of the PARIETAL BONE. Clivus,Cranial Fossas, Posterior,Fossa, Posterior Cranial,Fossas, Posterior Cranial,Posterior Cranial Fossa,Posterior Cranial Fossas
D005909 Glioblastoma A malignant form of astrocytoma histologically characterized by pleomorphism of cells, nuclear atypia, microhemorrhage, and necrosis. They may arise in any region of the central nervous system, with a predilection for the cerebral hemispheres, basal ganglia, and commissural pathways. Clinical presentation most frequently occurs in the fifth or sixth decade of life with focal neurologic signs or seizures. Astrocytoma, Grade IV,Giant Cell Glioblastoma,Glioblastoma Multiforme,Astrocytomas, Grade IV,Giant Cell Glioblastomas,Glioblastoma, Giant Cell,Glioblastomas,Glioblastomas, Giant Cell,Grade IV Astrocytoma,Grade IV Astrocytomas
D005910 Glioma Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21) Glial Cell Tumors,Malignant Glioma,Mixed Glioma,Glial Cell Tumor,Glioma, Malignant,Glioma, Mixed,Gliomas,Gliomas, Malignant,Gliomas, Mixed,Malignant Gliomas,Mixed Gliomas,Tumor, Glial Cell,Tumors, Glial Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014407 Tumor Cells, Cultured Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely. Cultured Tumor Cells,Neoplastic Cells, Cultured,Cultured Neoplastic Cells,Cell, Cultured Neoplastic,Cell, Cultured Tumor,Cells, Cultured Neoplastic,Cells, Cultured Tumor,Cultured Neoplastic Cell,Cultured Tumor Cell,Neoplastic Cell, Cultured,Tumor Cell, Cultured

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