IDH-1
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IDH1 staining in oligodendroglioma.
Isocitrate dehydrogenase 1 (R132H), often abbreviated IDH1 or IDH-1 is a mutation-specific antibody detecting the R132H mutation in tumor material.[1]
Positive staining
- Cytoplasmic[2]
IDH-1 (R132H) in a secondary glioblastoma
Note:
- The antibody does not detect other rare IDH-1/2 mutations (ie. R132G or R172K).
Normal tissues
- Absent
Tumours
Negative
Negative staining:[5]
- Non-tumorous tissue, endothelial cells.
- Ependymoma
- Pilocytic astrocytoma
- Neuronal tumors
- Sarcoma, carcinoma [6]
See also
References
- ↑ Capper, D.; Zentgraf, H.; Balss, J.; Hartmann, C.; von Deimling, A. (Nov 2009). "Monoclonal antibody specific for IDH1 R132H mutation.". Acta Neuropathol 118 (5): 599-601. doi:10.1007/s00401-009-0595-z. PMID 19798509.
- ↑ Capper, D.; Weissert, S.; Balss, J.; Habel, A.; Meyer, J.; Jäger, D.; Ackermann, U.; Tessmer, C. et al. (Jan 2010). "Characterization of R132H mutation-specific IDH1 antibody binding in brain tumors.". Brain Pathol 20 (1): 245-54. doi:10.1111/j.1750-3639.2009.00352.x. PMID 19903171.
- ↑ Capper, D.; Reuss, D.; Schittenhelm, J.; Hartmann, C.; Bremer, J.; Sahm, F.; Harter, PN.; Jeibmann, A. et al. (Feb 2011). "Mutation-specific IDH1 antibody differentiates oligodendrogliomas and oligoastrocytomas from other brain tumors with oligodendroglioma-like morphology.". Acta Neuropathol 121 (2): 241-52. doi:10.1007/s00401-010-0770-2. PMID 21069360.
- ↑ Andrulis, M.; Capper, D.; Luft, T.; Hartmann, C.; Zentgraf, H.; von Deimling, A. (Aug 2010). "Detection of isocitrate dehydrogenase 1 mutation R132H in myelodysplastic syndrome by mutation-specific antibody and direct sequencing.". Leuk Res 34 (8): 1091-3. doi:10.1016/j.leukres.2010.02.014. PMID 20227112.
- ↑ Capper, D.; Reuss, D.; Schittenhelm, J.; Hartmann, C.; Bremer, J.; Sahm, F.; Harter, PN.; Jeibmann, A. et al. (Feb 2011). "Mutation-specific IDH1 antibody differentiates oligodendrogliomas and oligoastrocytomas from other brain tumors with oligodendroglioma-like morphology.". Acta Neuropathol 121 (2): 241-52. doi:10.1007/s00401-010-0770-2. PMID 21069360.
- ↑ Sahm, F.; Capper, D.; Meyer, J.; Hartmann, C.; Herpel, E.; Andrulis, M.; Mechtersheimer, G.; Petersen, I. et al. (Jun 2011). "Immunohistochemical analysis of 1844 human epithelial and haematopoietic tumours and sarcomas for IDH1R132H mutation.". Histopathology 58 (7): 1167-72. doi:10.1111/j.1365-2559.2011.03823.x. PMID 21707716.