Difference between revisions of "DMX Orchiectomy and Butyrate-Enhanced CTA"

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(→‎Agenda: updated schedule)
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'''Days 1-8: Water Restriction 2024-7-15 thru 2024-7-21'''
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'''Days 1-6: Water Restriction 2024-7-15 thru 2024-7-20'''
  
 
Weigh rats daily.  Ad lib food.  
 
Weigh rats daily.  Ad lib food.  
  
30 min, 30 min, 15 min, 10 min water at 1530-1600 daily.  
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30 min, 30 min, 30 min, 30 min, 30 min, 10 min water at 1415 daily.  
  
 
1 water bottle, 1 empty bottle to accustom to 2-bottle choice
 
1 water bottle, 1 empty bottle to accustom to 2-bottle choice
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'''Day 9: Conditioning Day 2024-XX-XX'''
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'''Day 7: Conditioning Day 2024-7-21'''
  
 
* 0-30 min: saccharin 0.125%
 
* 0-30 min: saccharin 0.125%
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'''Days 10 - 19: Preference Tests: 2024-XX-XX to XXXX'''
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'''Days 8 - ???: Preference Tests: 2024-7-22 to XXXX'''
  
Rats CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests (for ???? days). Rats were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for 10 days.
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Rats CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests (for ???? days). Rats were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for ??? days.
  
  

Revision as of 15:20, 18 July 2024

Test of role of testicular hormones in butyrate-enhanced CTA.

Mukherjee showed that HDAC inhibitors butyrate and calproate enchanced CTA in male but not female rats. Ovariectomy did not make female rats sensitive, so testing if orchiectomy reduces sensitivity of male rats.


Orchiectomy and Butyrate-Enhanced CTA
HDAC Sex Difference
Expt CodeDMX
Start Date2024-5-20
InvestigatorsHoupt, Sullivan
FundingChair's Fund
Protocol202200000006
Expt TypeCTA
Speciesrat
Drugsbutyrate, lithium
Data Linkhttps://houptlab.org/bartab/expt/?id=DMX

Dose of NaB based on Kwon and Houpt, Brain Research, 1333 (2010) 36–47, PMID: 20346924 PMCID: PMC2871962

  • 0.15 M LiCl = 3.18g / 500ml water
  • 0.3 M Na Butyrate = 3.3g/100ml water (Sigma 303410-100g, pcode 102622007, source BCCJ6385)
  • 0.3 M NaCl = 1.8g/100ml water (osmotic control)


Data

Raw Data Link

People

Houpt

Agenda

Rats arrive Male Sprague Dawley rats n = 15, d.o.b. 2024-3-18, arrived: 2024-5-14


Surgery


  • DMX 1-8: Orchiectomy Surgery on 2024-6-19
  • DMX 9-15: Sham Surgery on 2024-6-21

Carpofen 0.5 mg/kg pre-op, isoflurane and bupivicaine intra-op, carpofen 0.5 mg/kg post-op (next day). Staples removed 7 days post-op. Sham rats received incision and staples.


Day 0: Water removed 2024-7-14


Days 1-6: Water Restriction 2024-7-15 thru 2024-7-20

Weigh rats daily. Ad lib food.

30 min, 30 min, 30 min, 30 min, 30 min, 10 min water at 1415 daily.

1 water bottle, 1 empty bottle to accustom to 2-bottle choice


Day 7: Conditioning Day 2024-7-21

  • 0-30 min: saccharin 0.125%
  • at 30 min: 3 ml/kg of 0.15M LiCl ip (all rats)
  • at 40 min: 12 ml/kg of 0.3M NaButyrate or 0.3M NaCl

ad lib water returned after final injection overnight.

Groups:


  • ORC + LiCl + NaCl: DMX01-04
  • ORC + LiCl + Butyrate: DMX05-08
  • Sham + LiCl + NaCl: DMX09-12
  • Sham + LiCl + Butyrate: DMX13-15


Days 8 - ???: Preference Tests: 2024-7-22 to XXXX

Rats CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests (for ???? days). Rats were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for ??? days.