10.3390/ijms22010131 Int
The perfusion solution was then switched to solution B (composed of 67 mM NaCl, 6.7 mM KCl, 10 mM HEPES, 0.5% BSA, 4.8 mM CaCl 2 2H 2 O (all provided by Sigma-Aldrich), and 1 g l 1 collagenase P (Roche) in ddH 2 O (pH 7.6), diluted 1:2 in stop solution (composed of DPBS with Ca 2+ , Mg 2+ (Gibco), supplemented with 16.7% FBS (Merck)) and perfused at 39 C for 515 min at a rate of 25 ml min 1
Chronic stress triggers repeated flushing episodes that can eventually cause persistent redness and visible blood vessels
Levels need consistent replenishment to stay in the optimal range, and skipping days allows them to drift back down
de Figueiredo SM, Binda NS, Nogueira-Machado JA, Vieira-Filho SA, Caligiorne RB
Some medications can be prescribed, but their side effects can be dangerous, and their results are doubtful