TNNI3 and myocardial infarction: Some examples of injury biomarkers include Neutrophil Gelatinase Associated Lipocalin (NGAL) for acute kidney injury [3, 4], cardiac Troponin I (cTnI) for myocardial infarction [5], and a panel of biomarkers including α-Spectrin II Breakdown products for traumatic brain injury [6].