Related Experiment Videos
Synthesis of caged NAADP
Antony Galione1, Kai-Ting Chuang1, Tim M Funnell1
1Department of Pharmacology, University of Oxford, Oxford OX1 3QT, United Kingdom.
Cold Spring Harbor Protocols
|October 3, 2014
Summary
Synthesize caged nicotinic acid adenine dinucleotide phosphate (NAADP) for calcium signaling research. This method involves creating a stable precursor and converting it to a reactive reagent for in-house synthesis, as the compound is no longer commercially available.
Area of Science:
- Cellular biology
- Biochemistry
- Molecular signaling
Background:
- Caged compounds are essential tools for studying calcium (Ca²⁺) signaling pathways.
- Nicotinic acid adenine dinucleotide phosphate (NAADP) is a key Ca²⁺-mobilizing messenger.
- Commercial availability of caged NAADP has ceased, hindering research.
Purpose of the Study:
- To provide a reliable method for the in-house synthesis of caged NAADP.
- To enable researchers to continue investigating the role of NAADP in Ca²⁺ signaling.
Main Methods:
- Synthesis of a stable precursor for the caging reagent.
- Conversion of the precursor to an unstable reactive reagent immediately prior to use.
- Photolabile caging of NAADP using the synthesized reagent.
Main Results:
- A reproducible method for synthesizing caged NAADP was established.
- The synthesized caged NAADP can be effectively used to study Ca²⁺ signaling.
Conclusions:
- In-house synthesis of caged NAADP is feasible and necessary due to commercial unavailability.
- This protocol empowers researchers to explore NAADP-mediated Ca²⁺ signaling dynamics.