TF and intracranial hemorrhage: Additionally, research (Chen et al., 2022) has shown that EA at Baihui (DU20) and Dazhui (GV14) acupoints significantly decreased the expression of TfR1, transferrin (Tf), and ferritin (Ft) in intracranial hemorrhage (ICH) rat models, promoting brain iron metabolism, restoring iron homeostasis, and providing neuroprotection.