Microwave-stimulated antigen retrieval is pH and temperature dependentP Evers and HB Uylings Netherlands Institute for Brain Research, Graduate School Neurosciences Amsterdam, Amsterdam. The effects of the pH of solutions used in microwave-stimulated antigen retrieval were investigated for two antibodies commonly used in neurosciences, MAP-2 and SMI-32. A prolonged fixation time (longer than 1 week) prevents good immunohistochemical staining of these and many other antigens in paraffin and vibratome sections. On human brain tissue stored for 17 months in formaldehyde, the effects of different solutions during microwave treatment were compared, i.e., 4% aluminum chloride (pH 2.75), 0.1 N hydrochloric acid (pH 0.98), and citrate buffers (pH 2.5, 4.5, 6.0), together with the influence of temperature and microwave irradiation. We conclude that the pH and temperature of the solutions and the irradiation time are of great importance for the retrieval of antigens, but in a different way for the two antibodies studied. The SMI-32 staining results are optimal with citrate buffer at pH 2.5 and 2-hr irradiation at 90 degrees C, whereas MAP-2 staining results are optimal with citrate buffer at pH 4.5 and 10-min full-power irradiation. In the other conditions the staining is less intensive or less homogeneously distributed over the section.
Volume 42,
Issue 12,
pp. 1555-1563,
12/01/1994
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S. Namimatsu, M. Ghazizadeh, and Y. Sugisaki Reversing the Effects of Formalin Fixation with Citraconic Anhydride and Heat: A Universal Antigen Retrieval Method J. Histochem. Cytochem., January 1, 2005; 53(1): 3 - 11. [Abstract] [Full Text] [PDF] |
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N. Ohno, N. Terada, S.-i. Murata, R. Katoh, and S. Ohno Application of Cryotechniques with Freeze-substitution for the Immunohistochemical Demonstration of Intranuclear pCREB and Chromosome Territory J. Histochem. Cytochem., January 1, 2005; 53(1): 55 - 62. [Abstract] [Full Text] [PDF] |
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E. Zudaire, S. J. Simpson, I. Illa, and L. M. Montuenga Dietary influences over proliferating cell nuclear antigen expression in the locust midgut J. Exp. Biol., June 1, 2004; 207(13): 2255 - 2265. [Abstract] [Full Text] [PDF] |
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H. Ino Antigen Retrieval by Heating En Bloc for Pre-fixed Frozen Material J. Histochem. Cytochem., August 1, 2003; 51(8): 995 - 1003. [Abstract] [Full Text] [PDF] |
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W. E. Kaufmann, S. M. MacDonald, and C. R. Altamura Dendritic Cytoskeletal Protein Expression in Mental Retardation: An Immunohistochemical Study of the Neocortex in Rett Syndrome Cereb Cortex, October 1, 2000; 10(10): 992 - 1004. [Abstract] [Full Text] [PDF] |
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G. Meyer, J. P. Schaaps, L. Moreau, and A. M. Goffinet Embryonic and Early Fetal Development of the Human Neocortex J. Neurosci., March 1, 2000; 20(5): 1858 - 1868. [Abstract] [Full Text] [PDF] |
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F. R. Fusco, Q. Chen, W. J. Lamoreaux, G. Figueredo-Cardenas, Y. Jiao, J. A. Coffman, D. J. Surmeier, M. G. Honig, L. R. Carlock, and A. Reiner Cellular Localization of Huntingtin in Striatal and Cortical Neurons in Rats: Lack of Correlation with Neuronal Vulnerability in Huntington's Disease J. Neurosci., February 15, 1999; 19(4): 1189 - 1202. [Abstract] [Full Text] [PDF] |
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F. Loup, O. Weinmann, Y. Yonekawa, A. Aguzzi, H.-G. Wieser, and J.-M. Fritschy A Highly Sensitive Immunofluorescence Procedure for Analyzing the Subcellular Distribution of GABAA Receptor Subunits in the Human Brain J. Histochem. Cytochem., October 1, 1998; 46(10): 1129 - 1140. [Abstract] [Full Text] |
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C. M. Ferrier, W. L. van Geloof, H. H. de Witte, M. D. Kramer, D. J. Ruiter, and G. N.P. van Muijen Epitopes of Components of the Plasminogen Activation System are Re-exposed in Formalin-fixed Paraffin Sections by Different Retrieval Techniques J. Histochem. Cytochem., April 1, 1998; 46(4): 469 - 476. [Abstract] [Full Text] |
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S.-R. Shi, R. J. Cote, and C. R. Taylor Antigen Retrieval Immunohistochemistry: Past, Present, and Future J. Histochem. Cytochem., March 1, 1997; 45(3): 327 - 344. [Abstract] [Full Text] [PDF] |
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