TNF and tuberculosis: However, there was no correlation between levels of LL‐37, TNF and vitamin D in patients with TB.16 In tumours, high VDR expression in CRC stromal fibroblasts is associated with better overall survival.17 In addition, Vitamin D deficiency resists proliferation and promotes apoptosis though the downregulation of Wnt/β‐catenin signalling in human breast and prostate cancers.18