Vitamin D and Bone Health What is Vitamin D? Vitamin D, first identified as a vitamin early in the 20th century, is now recognized as a prohormone. It is a group of fat-soluble secosteroids that is naturally present in very few foods, responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. Vitamin D plays an important ro...
What is cTnI? Troponin (Tn) is a complex of three regulatory proteins (C, I, T) that is integral to muscle contraction in skeletal muscle and cardiac muscle, but not smooth muscle. However, TnT and TnI in cardiac muscle are presented by forms different from those in skeletal muscles. Distribution of cTnI during AMI When AMI and myocardial cell damage occurs: The free cTnI in cardiac muscle is rele...
The severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) virus and resulting COVID‐19 pandemic present important diagnostic evaluation challenges. These range from understanding the value of signs and symptoms in predicting possible infection, assessing whether existing biochemical and imaging tests can identify infection and people needing critical care, and evaluating whether new diagnos...
Summary Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a worldwide pandemic with millions infected. The immune responses of human body to the severe COVID-19 have been well studied, and a number of antibody-based assays have been developed for serological studies. Moreover, the study of the neutralizing antibody that targets at a special structural protein of the SARS-CoV-...