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Zh Vyssh Nerv Deiat Im I P Pavlova. 2007 Nov-Dec;57(6):692-701.

[The ISIAH rat locomotion in the open field test is under control of the genes on chromosome 2 and chromosome 16].

[Article in Russian]

Abstract

The QTL analysis was performed in order to identify the genetic loci that contribute to the behavior in the open field tests in the ISIAH rat strain with inherited stress-induced arterial hypertension. Two F2 populations of 3-4-month-old (n = 106) and 6-month-old (n = 130) male rats derived from a cross between the normotensive Wistar albino Glaxo (WAG) and hypertensive ISIAH rats were used in the search for the QTL. In 3-4-month-old rats, QTL were found: a) for the rat locomotion at the periphery of the open field in the region of D2Rat157-D2Rat88 markers (logarithm of odds (LOD) score 4.83; p= 0.000058) on Chr. 2 and in the vicinity of the D16Rat32 marker (LOD score 3.71; p = 0.00023) on Chr. 16. These two QTL describe the 42.9% of the trait variability. b) for the rat locomotion during the first minute of the open field test on Chr.16 near the D16Rat58 marker (LOD score 3.78; p = 0.00028). The results provided support for the existence of the age-dependent differences in the genetic control of the traits analyzed.

PMID:
18592704
[Indexed for MEDLINE]

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