Erratum: 17β-estradiol inhibites tumor necrosis factor-α induced apoptosis of human nucleus pulposus cells via the pi3k/akt pathway (Med Sci Monit (2016) 22 (4312-4322) DOI: 10.12659/MSM.900310)

The authors asked for the change of the figure 1. They wanted to send the figure that was 200 times bigger under the microscope as described in Figure 1 caption, however, they mistakenly uploaded the wrong picture.