The "direct coloring" thiocholine method of Karnovsky and Roots (1964) for the demonstration of acetylcholinesterase (ACHE) activity was modified and adapted to the technique of semipermeable membranes. In this way it is possible to demonstrate histochemically both the bound as well as the soluble p
Improvement of the method of Karnovsky and Roots for the histochemical demonstration of acetylcholinesterase
β Scribed by P. Kugler
- Publisher
- Springer
- Year
- 1987
- Tongue
- English
- Weight
- 555 KB
- Volume
- 86
- Category
- Article
- ISSN
- 1432-119X
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In the original Karnovsky and Roots' method for the localization of acetylcholinesterase (AChE), thiocholine reduces the ferricyanide and cupric ions of this medium competitively, giving simultaneously cupric (Koelle's precipitate) as histochemical products. We modified the method in order to promot
## Abstract Fluoresceinated alphaβbungarotoxin (Ξ±βBT) and the PestronkβDrachman neuromuscular stain were combined to demonstrate the acetylcholine receptor, the junctional acetylcholinesterase, and the nerve terminal on the same endplate. The method is reliable and rapid. Synapses in both normal mu