Formic acid is essential for immunohistochemical detection of aggregated intraneuronal A beta peptides in mouse models of Alzheimer's disease
2009 | journal article. A publication with affiliation to the University of Göttingen.
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Formic acid is essential for immunohistochemical detection of aggregated intraneuronal A beta peptides in mouse models of Alzheimer's disease
Christensen, D. Z.; Bayer, T. A. & Wirths, O. (2009)
Brain Research, 1301 pp. 116-125. DOI: https://doi.org/10.1016/j.brainres.2009.09.014
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- Authors
- Christensen, Ditte Zerlang; Bayer, Thomas A.; Wirths, Oliver
- Abstract
- The staining protocols so far applied to study intracellular A beta accumulation in human tissue have been inconsistent with varying use of heat and formic acid (FA) for antigen retrieval. Microwave heat treatment has been reported to enhance the staining of intraneuronal A beta as compared to no or enzymatic pretreatment. FA is widely used to increase the staining of plaque pathology in AD, yet the effect of FA on intraneuronal A staining has been reported to be low and similar to the effect of heat or even to counteract the enhancing effect of heat pretreatment on intraneuronal A beta immunohistochemical detection. To overcome these inconsistencies, there is a need for optimization of the staining protocol for intraneuronal. A beta detection and more knowledge is required concerning the effects of the different antigen retrieval methods. in the present work, we optimized the staining protocol for intraneuronal A beta in paraffin-embedded sections in relation to heat and FA using four different mouse models known to accumulate intraneuronal A beta peptides. It was found that FA is essential for the staining of highly aggregated intraneuronal A beta peptides in AD transgenic mouse tissue. (C) 2009 Elsevier B.V. All rights reserved
- Issue Date
- 2009
- Status
- published
- Publisher
- Elsevier Science Bv
- Journal
- Brain Research
- ISSN
- 0006-8993