2002
DOI: 10.1590/s0074-02762002000800008
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Abstract: Thermal shocks induce changes in the nuclear phenotypes that correspond to survival (heterochromatin decondensation, nuclear fusion) or death (apoptosis, necrosis)

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Cited by 7 publications
(5 citation statements)
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“…Abundantly expressed HSPs are important modulators of insect survival. Previous studies have suggested that insect HSPs participate in normal development and diapauses (Gkouvitsas et al , ) and may be synthesized in response to abiotic stresses such as heat and cold shock (Garcia et al ; Zhao et al ; Xu et al ), UV radiation (Rangel et al ; Datkhile et al ) and chemical pesticides (Sonoda & Tsumuki ; Sun et al ), etc.…”
Section: Discussionsupporting
confidence: 92%
“…Abundantly expressed HSPs are important modulators of insect survival. Previous studies have suggested that insect HSPs participate in normal development and diapauses (Gkouvitsas et al , ) and may be synthesized in response to abiotic stresses such as heat and cold shock (Garcia et al ; Zhao et al ; Xu et al ), UV radiation (Rangel et al ; Datkhile et al ) and chemical pesticides (Sonoda & Tsumuki ; Sun et al ), etc.…”
Section: Discussionsupporting
confidence: 92%
“…Developmental abnormalities have been reported from indirect chilling injury in other species as well [13,14]. Study of the blood-sucking hemipteran, Panstrongylus megistus, revealed that short exposures (1 h) to 5 or 0 8C greatly reduces molting incidence, but survival is only affected by 0 8C exposures, with 96.7% mortality reached after 12 h without induced cryotolerance [15].…”
Section: Injury At the Whole-body Levelmentioning
confidence: 99%
“…In P. megistus, exposure to sequential temperatures of 5 and 0 8C leads to a reduction in apoptotic events for Malphigian tubule epithelial cells. Concurrently, the level of necrosis increases when compared to controls, leading to the hypothesis that cold shock injury favors necrosis either through direct apoptotic suppression or indirectly by ATP depletion [15].…”
Section: Injury At the Tissue Level And Belowmentioning
confidence: 99%
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“…Forms of cell death and cell survival responses which have been previously demonstrated in Malpighian tubules of P. megistus after a heat shock at 40 °C (Garcia et al, 2000b) have not yet been documented for T. cruzi-infected specimens. In addition, development of tolerance to sequential insults by stressors separated by a short time period and followed for 30 days has been reported for P. megistus in terms of increased survival rates, decrease in apoptosis and increase in cell survival responses (Garcia et al, 2002). The stress potentially inflicted by protozoan infection (Schaub, 1989a;Lima et al, 1992;Vallejo et al, 2009) accompanied by a heat shock in P. megistus has not yet been studied either.…”
mentioning
confidence: 99%