All mice were housed under specific pathogen-free (SPF) conditions with 12 h light/12 h dark cycle at 2124 C, and humidity at 4060%, and were fed with a standard chow diet at the Laboratory Animal Center of the Sixth Affiliated Hospital, Sun Yat-sen University
SARS-CoV-2 mainly destroys pulmonary surfactant-secreting type II alveolar cells (Wang et al., 2021a), that normally decrease the air/tissue surface tension and block TLR4 in the lungs, promoting ARDS and inflammation
pmid:24486708
Study groups Placebo 1 mg fixed dose 3 mg fixed dose 6 mg fixed dose 9 mg fixed dose 6-to-9 mg escalation 3-to-6-to-9 mg escalation Metabolic effects In addition to body weight, investigators reported improvements in waist circumference, blood pressure, lipids, glycemic measures, and inflammatory markers
For the bench press, a requirement for a successful attempt was for the bar to lightly touch the chest during bar descent