 However , HSR triggers thermotolerance, i.e. the hyperthermia treated cells show an impairment in their susceptibility to a subsequent heat-induced stress.
<coherence>  However , HSR triggers thermotolerance, i.e. the hyperthermia treated cells show an impairment in their susceptibility to a subsequent heat-induced stress.
 On the other hand , HSR triggers thermotolerance, i.e. the hyperthermia treated cells show an impairment in their susceptibility to a subsequent heat-induced stress.