Stimulation of C2C12 Cells with Neural Agrin

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Summary

We stimulate the myotubes in vitro with neural agrin to observe defects in Acetylcholine clustering. A defect in clustering can possibly result in a defect of the neuromuscular junction development.

Experiment

  • PBS is the control (found in the freezer, bottom shelf, agrin box, PBS 0.1% BSA 1000x)
  • Neural agrin (x1000) is the treatment (found in the freezer, bottom shelf, agrin box, mc 3,4,8)
  • Four time points: before, 6hrs, 12hrs, 24 hrs of stimulation

Make sure cells were able to differentiate for five days (no longer than seven) you should see myotubes formed

Creation of stimulation solution

  1. Warm solutions needed (PBS, diff media)
  2. Collect the agrin and PBS (from the freezer) in a tube rack
  3. Add 18 ml (20 ml to be safe) of diff media to two separate 50 ml tubes
  4. 20 ul of PBS or agrin
  5. Mix solutions and vortex

Creating Stimulation Plates (three experiments plates, the 4th is before stimulation)

  1. Label plates PBS and Agrin (top three wells and bottom three wells) and the time points
  2. *do one treatment at a time so cells aren’t out of solution long* remove old cell media with pipette tips and vacuum
  3. Add 2 ml per well of corresponding solution
  4. Place in incubator
  5. The experiment starts here so collect proteins or RNA 6hrs from this point