ArticleJCI insight2024
Spatial detection and consequences of nonrenal calcitriol production as assessed by targeted mass spectrometry imaging.
Article in JCI insight, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- ETV1 Couples Reciprocal FGF23 and PTH Signaling to RenalResearch square · 2026Article
- The vitamin D receptor story: discovery, control, and genomic reach.The Journal of endocrinology · 2026Review
- Systemic versus local regulation of vitamin D.Current opinion in nephrology and hypertension · 2026Review
- Morphometric analysis of the thymic epithelial cell network using integrated and orthogonal digital pathology approaches.Communications biology · 2026Article
- Protective Effects of Vitamin D Against Doxorubicin Chemotherapy-Induced Hepatotoxicity in Wistar Albino Rats: Evidence fromNutrients · 2026Article
- Identifying space-resolved proteins of the murine thymus, by combining MALDI-MSI and proteomics.Life science alliance · 2026Article
- Kidney deletions of Cyp27b1 fail to reduce serum 1,25(OH)The Journal of steroid biochemistry and molecular biology · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
The immune benefits of vitamin D3 supplementation beyond calcium and phosphate maintenance are highly clinically debated. Kidney expression of CYP27B1 is the source of endocrine, circulating 1,25(OH)2D3 (active form of vitamin D) that maintains serum calcium and phosphate. 1,25(OH)2D3 may also be made by the CYP27B1 enzyme in nonrenal cells, like immune cells, in a process driven by cellular availability of 25(OH)D3 and inflammation. Due to the endocrine nature of 1,25(OH)2D3 in circulation, it is difficult to discern between these 2 sources. We recently created a regulatory deletion model of Cyp27b1 (M1/M21-DIKO) where mice have normal inflammatory-regulated Cyp27b1 expression in nonrenal tissues (unlike global Cyp27b1-KO) but no expression within the kidney. Here, utilizing on-tissue chemical derivatization and matrix assisted laser desorption ionization-mass spectrometry imaging (MALDI-MSI), we investigated the distribution of 1,25(OH)2D3 and 25(OH)D3 in the kidney, liver, spleen, and thymus. MALDI-MSI demonstrated increased 1,25(OH)2D3 in nonrenal tissues such as the spleen after vitamin D3 supplementation in M1/M21-DIKO mice. Additionally, from this, we found increased Il4 and decreased Tnfa in the spleen after vitamin D3 supplementation. Taken together, these data demonstrate nonrenal production of 1,25(OH)2D3 in vivo and provide a consequence of vitamin D3 supplementation and nonrenal 1,25(OH)2D3 production in cytokine changes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.