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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Genetic differences in the duration of the lymphocyte heat shock response in mice.

Lymphocytes from adult mice bearing a known difference in genetic susceptibility to teratogen-induced exencephaly (SWV/SD, and DBA/2J) were evaluated for changes in protein synthesis following an in vivo heat treatment. Particular attention was paid to changes indicative of the heat shock response, a highly conserved response to environmental insult consisting of induction of a few, highly conserved proteins with simultaneous decreases in normal protein synthesis. The duration of heat shock protein induction in lymphocytes was found to be increased by 1 hr in the teratogen-sensitive SWV/SD strain as compared to the resistant DBA/2J strain. Densitometric analysis revealed a significant decrease in the relative synthesis of at least two non-heat shock proteins (36 kD and 45 kD) in the SWV/SD lymphocytes as compared to DBA/2J cells. The increased sensitivity of protein synthesis to hyperthermia in the SWV/SD lymphocytes were lost in the F1 progeny of reciprocal crosses between SWV/SD and DBA/2J mouse strains. Sensitivity to hyperthermia-induced exencephaly is recessive to resistance in these crosses. The relationship between altered protein synthesis and teratogen susceptibility is discussed.[1]

References

  1. Genetic differences in the duration of the lymphocyte heat shock response in mice. Mohl, V.K., Bennett, G.D., Finnell, R.H. Genetics (1990) [Pubmed]
 
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