Difference between revisions of "DMP Ovariectomy and Butyrate-Enhanced CTA"

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Test of role of ovarian hormones in butyrate-enhanced CTA.
 
Test of role of ovarian hormones in butyrate-enhanced CTA.
  
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Dose of NaB based on [https://houptlab.org/papers/pdfs/Houpt065.pdf Kwon and Houpt, Brain Research, 1333 (2010) 36–47], PMID: 20346924 [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2871962/ PMCID: PMC2871962]
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* 0.3 M Na Butyrate = 3.3g/100ml water
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* 0.3 M NaCl = 18g/liter water (osmotic control)
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<br>
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==Data==
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'''[https://houptlab.org/bartab/expt/?id=DMP Raw Data Link]'''
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==People==
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Durba Mukherjee
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===Agenda===
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'''Rats arrive''' (2021-08-24)
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Female Sprague Dawley rats n=18 (dob 2021-06-07), arrived
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<br>
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'''Surgery'''
  
 
3 groups: sham surgery, ovariectomized (ovx), ovariectomized + 3mg pellet of 17-beta-estradiol (Innovative Research, Sarasota, FL)
 
3 groups: sham surgery, ovariectomized (ovx), ovariectomized + 3mg pellet of 17-beta-estradiol (Innovative Research, Sarasota, FL)
  
DMP1-9: Surgery on 2021-10-24
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* DMP1-9: Surgery on 2021-10-24
DMP10-18: Surgery on 2021-10-30
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* DMP10-18: Surgery on 2021-10-30
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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.
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'''Day 0: Water removed 2021-11-08'''
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<br>
  
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'''Days 1-7: Water Restriction 2021-11-9 thru 2021-11-15'''
  
Female Sprague Dawley rats (dob 2021-06-07), arrived 2021-08-24.
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Weigh rats daily.  Water for 10 min, ad lib food.  
  
Water removed 2021-11-08
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10 min water at 1400 daily.
  
Restriction 2021-11-9 thru 2021-11-15
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<br>
  
Conditioning Day 2021-11-16
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'''Day 8: Conditioning Day 2021-11-16'''
  
 
* 0-30 min: saccharin 0.125%
 
* 0-30 min: saccharin 0.125%
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* at 40 min: 12 ml/kg of 0.3M NaButyrate or NaCl
 
* at 40 min: 12 ml/kg of 0.3M NaButyrate or NaCl
  
Water returned.
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ad lib water returned after final injection overnight.
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<br>
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'''Days 9- ???: Preference Tests: 2021-11-17 to ???'''
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Rats CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests. Rats were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for 10 days.
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Two-Bottle Test Days: 2021-11-17 to ???
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[[Category:Taste Aversion]]

Revision as of 15:16, 16 November 2021

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

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

  • 0.3 M Na Butyrate = 3.3g/100ml water
  • 0.3 M NaCl = 18g/liter water (osmotic control)


Data

Raw Data Link

People

Durba Mukherjee


Agenda

Rats arrive (2021-08-24) Female Sprague Dawley rats n=18 (dob 2021-06-07), arrived



Surgery

3 groups: sham surgery, ovariectomized (ovx), ovariectomized + 3mg pellet of 17-beta-estradiol (Innovative Research, Sarasota, FL)

  • DMP1-9: Surgery on 2021-10-24
  • DMP10-18: Surgery on 2021-10-30

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.


Day 0: Water removed 2021-11-08


Days 1-7: Water Restriction 2021-11-9 thru 2021-11-15

Weigh rats daily. Water for 10 min, ad lib food.

10 min water at 1400 daily.


Day 8: Conditioning Day 2021-11-16

  • 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 NaCl

ad lib water returned after final injection overnight.


Days 9- ???: Preference Tests: 2021-11-17 to ???

Rats CTA acquisition and extinction was measured with 24-h, 2-bottle preference tests. Rats were given 24-h free access to both 0.125% saccharin and water bottles, alternating position for 10 days.