F2 mice from a hybrid cross of C57BL/6J and FVB/NJ had heightened consumption of EtOH in 2 bottle, water versus ethanol, choice, with accending ethanol levels. Chromosome 11 had multiple suggestive markers, with LOD scores reflecting both additive and dominance variation taken together, as shown in Fig. 5.
Authors:
Phillips TJ, Reed C, Burkhart-Kasch S, Li N, Hitzemann R, Yu CH, Brown LL, Helms ML, Crabbe JC, Belknap JK
Heterozygote mice from a hybrid cross of C57BL/6J and FVB/NJ had heightened EtOH consumption, preference or blood EtOH concentration compared to either homozygous groups. The magnitude of dominant deviation on Chr. 11, as noted in Fig. 9, was measured after a drinking in the dark paradigm, 24hr two-bottle-choice and subsequent blood ethanol concentration measurement.
Authors:
Phillips TJ, Reed C, Burkhart-Kasch S, Li N, Hitzemann R, Yu CH, Brown LL, Helms ML, Crabbe JC, Belknap JK
Rotarod Baseline Chr# 11 rs3719581 (86772383) with right flanking marker rs13481061(62806119) and left marker rs13481161 (92322572). This was mapped in 300 + (b6x129)F2 mice.
Change in rotarod latency over training trials Chr#11 rs13481076(66532354) with right flanking marker rs3697686(58381052) and left marker rs3688955(90397849). This was mapped in 300 + (b6x129)F2 mice.
The current study used two inbred mouse strains, C57BL/6 J and A/J, to investigate the genetics of behavioral responses to fentanyl. Mice were tested for conditioned place preference and fentanyl-induced locomotor activity. C57BL/6J mice formed a conditioned place preference to fentanyl injections and fentanyl increased their activity. Neither effect was noted in A/J mice. We conducted RNA-sequencing on the nucleus accumbens of mice used for fentanyl-induced locomotor activity. Surprisingly, we noted few differentially expressed genes using treatment as the main factor. However many genes differed between strains.
Authors:
Samuel J Harp, Mariangela Martini, Will Rosenow, Larry D Mesner, Hugh Johnson, Charles R Farber, Emilie F Rissman
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