JCE Inhibitory DREADD Functional Validation
To test CNO as a uncondition stimulus for CTA in wild-type mice.
CNO ordering information / lot numbers
CNO preparation (e.g. vehicle, how its dissolved)
Clozapine-N-Oxide Taste Aversion | |
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DREADDs and Magentic Field | |
Expt Code | JCD |
Start Date | 2023-6-19 |
Investigators | Cote, Houpt |
Funding | Chair's Fund |
Protocol | 202200000006 |
Expt Type | CTA |
Species | mice |
Drugs | NaCl, CNO |
Data Link | https://houptlab.org/bartab/expt/?id=JCD |
Data
People
Jason Cote
Agenda
Mice JAX C57BL/6J Strain 000664 (n=8 male DOB +/- 3: 20Dec2022, n=8 female DOB +/- 3: 20Dec2022)
Arrived 2023-2-6.
Day 0: Water removed (2023-6-19)
Days 1 - 11: Water Restriction (2023-6-20 - 2023-6-30)
Weigh mice daily. Ad lib food. Water access on consecutive days at noon: 3h, 3h, 3h, 1h, 1h, 1h, 30min, 30 min, 10 min, 10 min, 10 min.
Mice given water bottle and empty bottle, alternating position.
In the afternoon (~4pm), mice will be given supplemental access to water for 30 min. Day 12: Conditioning Day (2023-3-16)
Mice are given 10-min access to 0.125% saccharin solution, then injected with vehicle (10 ml/kg) or 1, 3 or 30 mg/kg
Groups:
- JCC01-04: Female, vehicle
- JCC05-08: Female, CNO
- JCC09-12: Male, vehicle
- JCC13-16: Male, CNO
After injection, ad lib water returned overnight.
Day 13 - 24: Preference Tests (2023-3-17 - 2023-3-24 )
CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests. Mice were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for 7 days.