TNFRSF1B and neoplasm: The tumor volume (TNFR2 KO, 79.10 ± 10.86; BDNF injected TNFR2 KO, 155.78 ± 17.62 mm3, Fig. 7A) and weight (TNFR2 KO, 31.75 ± 11.27 mg; BDNF injected TNFR2 KO, 65.00 ± 13.22 mg, Fig. 7B) in BDNF injected TNFR2 KO mice xenografted with A549 lung cancer cells were significantly higher compared with the TNFR2 KO mice xenografted with A549 lung cancer cells.