Research Article

The Potency of Hyaluronan of Different Molecular Weights in the Stimulation of Blood Phagocytes

Figure 2

Effect of different MW HA (100 μg/mL) on spontaneous (a, b), PMA-activated (c, d), OZP-activated (e, f), and starch-activated (g, h) ROS production measured in diluted whole blood by luminol-enhanced chemiluminescence in absence (a, c, e, g) and presence of collagen (0.16 mg/mL) (b, d, f, h), immediately or after 1.5 h pre-incubation after addition of HA. The bold line represents the median, and data points from parallel measurements are presented by the same symbol. Statistically significant differences among different groups ( 𝑃 < . 0 5 ) are marked by different symbols: (*) statistical significance to control, (#) statistical significance to sample incubated with 52 kDa HA, and ($) statistical significance between samples incubated with 250 kDa and 970 kDa HA.
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