Research Article

Age-Dependent Protein Expression of Serine/Threonine Phosphatases and Their Inhibitors in the Human Cardiac Atrium

Figure 1

Representative western blots for PP1, PP2Ac, PP2C, I1PP2A, and I2PP2A of cardiac homogenates from patients of 53, 70, and 81 years of age (a). Exemplary full lanes of western blots are also depicted (b); as loading control calsequestrin (CSQ) was studied. On the top of each lane, the age of the patient is given.
(a)
(b)