ReviewThe Journal of steroid biochemistry and molecular biology2015
The effect of 1,25 dihydroxyvitamin D3 treatment on the mRNA levels of β catenin target genes in mice with colonic inactivation of both APC alleles.
Review in The Journal of steroid biochemistry and molecular biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
2 citing papers in PubMed, 5 citations in OpenAlex.
- Constitutively active RAS signaling reduces 1,25 dihydroxyvitamin D-mediated gene transcription in intestinal epithelial cells by reducing vitamin D receptor expression.The Journal of steroid biochemistry and molecular biology · 2017Article
- Vitamin D3 enhances the tumouricidal effects of 5-Fluorouracil through multipathway mechanisms in azoxymethane rat model of colon cancer.Journal of experimental & clinical cancer research : CR · 2015Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
In colon cancer, adenomatous polyposis coli (APC) inactivating gene mutations increase nuclear β-catenin levels and stimulate proliferation. In vitro, 1,25 dihydroxyvitamin D (1,25(OH)2D), suppresses β-catenin-mediated gene transcription by inducing vitamin D receptor (VDR)-β-catenin interactions. We examined whether acute treatment with 1,25(OH)2D could suppress β-catenin-mediated gene transcription in the hyperplastic colonic lesions of mice with colon-specific deletion of both APC gene alleles (CAC; APC(Δ580/Δ580)). At four weeks of age, CAC; APC(Δ580/Δ580) and control mice were injected with vehicle or 1,25(OH)2D (1μg/kg body weight) once a day for three days and then killed six hours after the last injection. mRNA levels of β-catenin target genes were elevated in the colon of CAC; APC(Δ580/Δ580) mice. 1,25(OH)2D increased 25 hydroxyvitamin D-24 hydroxylase mRNA levels in the colon of CAC; APC(Δ580/Δ580) and control mice indicating the treatments activated the VDR. However, 1,25(OH)2D had no effect on either β-catenin target gene mRNA levels or the proliferation index in CAC; APC(Δ580/Δ580) or control mice. VDR mRNA and protein levels were lower (-65% and -90%) in the colon of CAC; APC(Δ580/Δ580) mice compared to control mice, suggesting loss of colon responsiveness to vitamin D. Consistent with this, vitamin D-induced expression of transient receptor potential cation channel, subfamily V, member 6 mRNA was reduced in the colon of CAC; APC(Δ580/Δ580) mice. Our data show that short term exposure to 1,25(OH)2D does not suppress colonic β-catenin signaling in vivo. This article is part of a special issue entitled '17th Vitamin D Workshop'.
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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.