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| Content Provider | PubMed Central |
|---|---|
| Author | Campbell, Jack Griffin Miller, Douglas C. Cundiff, Diane D. Feng, Qi Scott, Litofsky N. |
| Abstract | It is well established that the normal human brain contains populations of neural stem/progenitor cells. Recent studies suggest that they migrate toward a variety of CNS tissue injuries. In an investigation of the potential role of neural stem cells in the pathogenesis of primary CNS lymphomas (NHL-CNS), we observed that neural stem/progenitor cells appeared to accumulate at the border of the tumors with the brain and in the advancing edge of the tumors, in a pattern similar to that seen with reactive gliosis. We identified neural stem/progenitor cells using standard immunohistochemical markers thereof, including CD133, nestin, Group II Beta-tubulin, Musashi1, and the transcription factor Sox2, in neurosurgically obtained specimens of NHL-CNS metastatic carcinoma , and metastatic melanoma . We had similar results with each of these markers but found that Sox2 antibodies provided the clearest and most robust labeling of the cells at the borders of these non-glial tumors. To exclude that the immunoreactive cells were actually neoplastic, double-label immunohistochemistry for Sox2 and CD20 (for NHL-CNS), Sox2 and cytokeratin (CAM5.2, for carcinomas), or Sox2 and HMB45 (for melanomas) showed that in each tumor type, Sox2-immunoreactive cells adjacent to and among the tumor cells were separate from neoplastic cells. Sox2/GFAP double-labeling revealed a consistent pattern of Sox2 immunopositivity both in reactive GFAP-immunopositive astrocytes and in GFAP-negative cells, at the interface of tumor and non-neoplastic brain. These results suggest that neural stem/progenitor cells migrate to non-glial neoplasms in the CNS, are a source of reactive astrocytes, and that Sox2 is a reliable immunohistochemical marker for these cells. |
| Related Links | http://dx.doi.org/10.1186/s40064-015-0807-z |
| Starting Page | 53 |
| File Format | |
| ISSN | 21931801 |
| e-ISSN | 21931801 |
| Journal | SpringerPlus |
| Volume Number | 4 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2015-12-01 |
| Access Restriction | Open |
| Rights Holder | Springer International Publishing |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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