Asker's rating. 1  Shackles are brackets installed on the rear leaf springs it causes the rear of the car to be raised giving the car that classic Muscle look. 2  useing a larger shackle will raise the rear of the car allowing slightly bigger tires in the rear. 3  Shackled Means.
Clinical Significance. A synthetic circular peptide containing citrulline called CCP IgG (cyclic citrullinated peptide) has been found to be better at discriminating Rheumatoid Arthritis patients from other patients than either the perinuclear autoantibody test or the test for rheumatoid factor.
F-actin antibodies (IgG) have been shown to have greater sensitivity and specificity for autoimmune liver disease than anti-smooth muscle antibodies 4. BUT, F-actin can still be false positive [L12-7423]. Here is an example (slow loading) decision tree HERE.