Unlock Exclusive Discounts & Flash Sales! Click Here to Join the Deals on Every Wednesday!

Analysis of dopaminergic antinociceptive actions on substantia gelatinosa neurons in the spinal cord by Patch clamp (CAT#: STEM-PET-0066-WXH)

Introduction

Dopamine (DA) is well known as a neurotransmitter and neuromodulator in the brain, not just as a precursor in the synthesis of other catecholamines. DA controls a variety of functions including locomotors activity, cognition, emotion, positive reinforcement, food intake, and endocrine regulation.
The substantia gelatinosa of Rolando (SGR) is a grey matter structure of the dorsal spinal cord primarily involved in the transmission and modulation of pain, temperature, and touch.




Principle

The patch-clamp technique involves a glass micropipette forming a tight gigaohm seal with the cell membrane. The micropipette contains a wire bathed in an electrolytic solution to conduct ions. To measure single ion channels, a “patch” of membrane is pulled away from the cell after forming a gigaohm seal.

Applications

• Study of ionic currents in individual isolated living cells, tissue sections, or patches of cell membrane.
• Study of excitable cells such as neurons, cardiomyocytes, muscle fibers, and pancreatic beta cells.
• Study of ion channels.

Procedure

1. Fabrication of glass electrodes
2. Measuring glass electrode resistance and compensating offset potential
3. Glass electrode contact to cell membrane and obtain a GΩ seal
4. Acquire and analyse recordings using the appropriate software.

Materials

Patch clamp system
Advertisement