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Table 3 Correlation analysis of the study population: age vs the analyzed parameters

From: NK cells of the oldest seniors represent constant and resistant to stimulation high expression of cellular protective proteins SIRT1 and HSP70

 

Compared parameter

Stimulation type

SOD2

SIRT1

HSP70intr

HSP70surf

TNF

IFN-γ

Carbonyl groups

8-isoprostanes

Age

none

−0.225

0.301

0.300

ns

0.44

ns

−0.423

−0.584

IL-2

ns

ns

ns

ns

0.478

0.242

−0.385

−0.685

LPS

ns

0.417

0.409

ns

0.53

ns

−0.491

ns

PMA/ion

ns

0.273

0.219

0.409

0.379

ns

−0.44

−0.555

  1. All values are presented as statistically significant (p < 0.05) Spearman’s correlation coefficients (R). ‘ns’ denotes statistically not significant. ‘HSP70intr’ - intracellular HSP70; ‘HSP70surf’ - surface HSP70; ‘PMA/ion’ – PMA + ionomycin