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Nutrition: Vitamin D
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Total 123 results found since Jan 2013.
Human β-defensins are correlated with the immune infiltration and regulated by vitamin D < sub > 3 < /sub > in periodontitis
CONCLUSION: HBDs are correlated with immune infiltration in periodontitis. Vitamin D3 inhibits the expression of HBDs and chemokines induced by TNF-α/Pg-LPS, possibly through NF-κB pathway, in human gingival fibroblasts.PMID:37439265 | DOI:10.1111/jre.13159
Source: Cell Research - July 13, 2023 Category: Cytology Authors: Churen Zhang Ye Han Lili Miao Zhaoguo Yue Min Xu Kaining Liu Jianxia Hou Source Type: research
Cancers, Vol. 15, Pages 3432: Vitamin D Receptor Antagonist MeTC7 Inhibits PD-L1
In this study, using chromatin immunoprecipitation (ChIP) assay and siRNA, we demonstrate that vitamin D/VDR regulates PD-L1 expression in acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) cells. We have examined whether a VDR antagonist, MeTC7, can inhibit PD-L1. To ensure that MeTC7 inhibits VDR/PD-L1 without off-target effects, we examined competitive inhibition of VDR by MeTC7, utilizing ligand-dependent dimerization of VDR-RXR, RXR-RXR, and VDR-coactivators in a mammalian 2-hybrid (M2H) assay. MeTC7 inhibits VDR selectively, suppresses PD-L1 expression sparing PD-L2, and inhibits the cell viability, clon...
Source: Cancers - June 30, 2023 Category: Cancer & Oncology Authors: Negar Khazan Emily R. Quarato Niloy A. Singh Cameron W. A. Snyder Taylor Moore John P. Miller Masato Yasui Yuki Teramoto Takuro Goto Sabeeha Reshi Jennifer Hong Naixin Zhang Diya Pandey Priyanka Srivastava Alexandra Morell Hiroki Kawano Yuko Kawano Thomas Tags: Article Source Type: research
Vitamin D inhibits osteosarcoma by reprogramming nonsense-mediated RNA decay and SNAI2-mediated epithelial-to-mesenchymal transition
In this study, we assessed the impact of vitamin D and its receptor (VDR) on NMD-ROS-EMT signaling in in vitro and in vivo osteosarcoma animal models. Initiation of VDR signaling facilitated the enrichment of EMT pathway genes, after which 1,25(OH)2D, the active vitamin D derivative, inhibited the EMT pathway in osteosarcoma subtypes. The ligand-bound VDR directly downregulated the EMT inducer SNAI2, differentiating highly metastatic from low metastatic subtypes and 1,25(OH)2D sensitivity. Moreover, epigenome-wide motif and putative target gene analysis revealed the VDR’s integration with NMD tumorigenic and immunogenic ...
Source: Frontiers in Oncology - May 9, 2023 Category: Cancer & Oncology Source Type: research
Activation of Vitamin D/VDR Signaling Reverses Gemcitabine Resistance of Pancreatic Cancer Cells Through Inhibition of MUC1 Expression
ConclusionThese findings demonstrate a previously unidentified vitamin D/VDR-MUC1 signaling axis involved in the regulation of gemcitabine resistance in PDA and suggests that combinational therapies that include targeted activation of vitamin D/VDR signaling may improve the outcomes of patients with PDA.
Source: Digestive Diseases and Sciences - April 18, 2023 Category: Gastroenterology Source Type: research
Vitamin D Receptor Regulates Autophagy to Inhibit Apoptosis and Promote Proliferation in Hepatocyte Injury
CONCLUSIONS: VDR mediates hepatocyte apoptosis and proliferation through autophagy.PMID:36908130 | DOI:10.1272/jnms.JNMS.2023_90-114
Source: Journal of Nippon Medical School - March 13, 2023 Category: Universities & Medical Training Authors: Mingming Fang Chen Zhong Source Type: research
