TNF and hypertensive disorder: Cluster 3, “prenant woman” is the largest node, which focuses on clinical syndromes that occur in prenant women, with the main focus including oxidative stress, tnf alpha, interleukin, plasma concentration, enzyme, ifn gamma, mrna, serum, proteinuria, hypertension, marker, flow cytometry, pe patient, serum level, onset, pregnant women, hypertensive disorder, gestational disorder, and the clinical syndrome.