Evidence map›Paper›PMID 28069388›Full record

ArticleExperimental and molecular pathology2017

Vitamin D receptor deficit induces activation of renin angiotensin system via SIRT1 modulation in podocytes.

Nirupama Chandel, Kamesh Ayasolla, Hongxiu Wen, Xiqian Lan, Shabirul Haque, Moin A Saleem, Ashwani Malhotra, Pravin C Singhal

Abstract read
In one paragraph

Article in Experimental and molecular pathology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  16. Potential Genes Associated with COVID-19 and Comorbidity.International journal of medical sciences · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Nirupama ChandelDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Kamesh AyasollaDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Hongxiu WenDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Xiqian LanDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Shabirul HaqueDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Moin A SaleemRenal Academic Unit, University of Bristol, UK.
Ashwani MalhotraDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA.
Pravin C SinghalDepartment of Medicine, Hofstra Northwell Health Medical School and Feinstein Institute for Medical Research, New York, USA. Electronic address: psinghal@nshs.edu.

Funding

p66ShcA in HIV associated NephropathyR01DK083931 · NIDDK · FEINSTEIN INSTITUTE FOR MEDICAL RESEARCH · PI SINGHAL, PRAVIN C · 2010 to 2013
$2.5M
Epigenetic factors and HIV-associated NephropathyR01DK098074 · NIDDK · FEINSTEIN INSTITUTE FOR MEDICAL RESEARCH · PI SINGHAL, PRAVIN C · 2013 to 2016
$2.5M
Renin Angioensin Aldosterone System in Drub Abuse and HIV-associated NephropathyR01DK084910 · NIDDK · FEINSTEIN INSTITUTE FOR MEDICAL RESEARCH · PI SINGHAL, PRAVIN C · 2010 to 2014
$1.7M
NIDDK NIH HHS R01 DK083931NIDDK NIH HHS R01 DK084910NIDDK NIH HHS R01 DK098074
6 · The paper itself

Abstract

Vitamin D receptor (VDR) deficient status has been shown to be associated with the activation of renin angiotensin system (RAS). We hypothesized that lack of VDR would enhance p53 expression in podocytes through down regulation of SIRT1; the former would enhance the transcription of angiotensinogen (Agt) and angiotensinogen II type 1 receptor (AT1R) leading to the activation of RAS. Renal tissues of VDR mutant (M) mice displayed increased expression of p53, Agt, renin, and AT1R. In vitro studies, VDR knockout podocytes not only displayed up regulation p53 but also displayed enhanced expression of Agt, renin and AT1R. VDR deficient podocytes also displayed an increase in mRNA expression for p53, Agt, renin, and AT1R. Interestingly, renal tissues of VDR-M as well as VDR heterozygous (h) mice displayed attenuated expression of deacetylase SIRT1. Renal tissues of VDR-M mice showed acetylation of p53 at lysine (K) 382 residues inferring that enhanced p53 expression in renal tissues could be the result of ongoing acetylation, a consequence of SIRT1 deficient state. Notably, podocytes lacking SIRT1 not only showed acetylation of p53 at lysine (K) 382 residues but also displayed enhanced p53 expression. Either silencing of SIRT1/VDR or treatment with high glucose enhanced podocyte PPAR-y expression, whereas, immunoprecipitation (IP) of their lysates with anti-retinoid X receptor (RXR) antibody revealed presence of PPAR-y. It appears that either the deficit of SIRT1 has de-repressed expression of PPAR-y or enhanced podocyte expression of PPAR-y (in the absence of VDR) has contributed to the down regulation of SIRT1.

Indexed as

AcetylationAngiotensinogenAnimalsBlotting, WesternCells, CulturedHumansKidneyLysineMice, KnockoutModels, GeneticPodocytesReceptor, Angiotensin, Type 1Receptors, CalcitriolReninRenin-Angiotensin SystemReverse Transcriptase Polymerase Chain ReactionAngiotensinogenLysineReceptor, Angiotensin, Type 1Receptors, CalcitriolReninSIRT1 protein, humanSirtuin 1Tumor Suppressor Protein p53

Identifiers

PMID28069388
PMCPMC5331620

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Registered trials

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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.