Evidence map›Paper›PMID 27905294›Full record

ArticlePhysiological reports2016

Glucocorticoids increase skeletal muscle NF-κB inducing kinase (NIK): links to muscle atrophy.

Christopher S Fry, Syed Z Nayeem, Edgar L Dillon, Partha S Sarkar, Batbayar Tumurbaatar, Randall J Urban, Traver J Wright, Melinda Sheffield-Moore, Ronald G Tilton, Sanjeev Choudhary

Open access · goldAbstract read
In one paragraph

Article in Physiological reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
1.4field-weighted citation impact, top 17% of its field
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

27 citing papers in PubMed, 38 citations in OpenAlex.

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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

10 authors at 1 institution in 1 country.

Christopher S FryDepartment of Nutrition and Metabolism, The University of Texas Medical Branch (UTMB), Galveston, Texas csfry@utmb.edu.
Syed Z NayeemDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Edgar L DillonDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Partha S SarkarDepartment of Neurology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Batbayar TumurbaatarDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Randall J UrbanDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Traver J WrightDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Melinda Sheffield-MooreDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Ronald G TiltonDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
Sanjeev ChoudharyDepartment of Internal Medicine, Division of Endocrinology, The University of Texas Medical Branch (UTMB), Galveston, Texas.
The University of Texas Medical Branch at Galveston · US

Funding

UTMB OAIC Research Education Component (REC)P30AG024832 · NIA · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI JAMES S. GOODWIN, MD, MELISSA M. MORROW · 2005 to 2026
$26.7M
Nutrition and Anabolic Interventions in Cancer CachexiaR01CA127971 · NCI · UNIVERSITY OF TEXAS MED BR GALVESTON · PI SHEFFIELD-MOORE, MELINDA · 2008 to 2014
$1.8M
NCI NIH HHS R01 CA127971NIA NIH HHS P30 AG024832
6 · The paper itself

Abstract

Glucocorticoids (GC) are a frontline therapy for numerous acute and chronic diseases because of their demonstrated efficacy at reducing systemic inflammation. An unintended side effect of GC therapy is the stimulation of skeletal muscle atrophy. Pathophysiological mechanisms responsible for GC-induced skeletal muscle atrophy have been extensively investigated, and the ability to treat patients with GC without unintended muscle atrophy has yet to be realized. We have reported that a single, standard-of-care dose of Methylprednisolone increases in vivo expression of NF-κB-inducing kinase (NIK), an important upstream regulatory kinase controlling NF-κB activation, along with other key muscle catabolic regulators such as Atrogin-1 and MuRF1 that induce skeletal muscle proteolysis. Here, we provide experimental evidence that overexpressing NIK by intramuscular injection of recombinant human NIK via adenoviral vector in mouse tibialis anterior muscle induces a 30% decrease in the average fiber cross-sectional area that is associated with increases in mRNA expression of skeletal muscle atrophy biomarkers MuRF1, Atrogin-1, myostatin and Gadd45. A single injection of GC induced NIK mRNA and protein within 2 h, with the increased NIK localized to nuclear and sarcolemmal locations within muscle fibers. Daily GC injections induced skeletal muscle fore limb weakness as early as 3 days with similar atrophy of muscle fibers as observed with NIK overexpression. NIK overexpression in primary human skeletal muscle myotubes increased skeletal muscle atrophy biomarkers, while NIK knockdown significantly attenuated GC-induced increases in NIK and Atrogin-1. These results suggest that NIK may be a novel, previously unrecognized mediator of GC-induced skeletal muscle atrophy.

Indexed as

AnimalsGlucocorticoidsHumansMaleMiceMice, Inbred C57BLMuscle Fibers, SkeletalMuscle ProteinsMuscle, SkeletalMuscular AtrophyNF-kappa BNF-kappaB-Inducing KinaseProtein Serine-Threonine KinasesRNA, MessengerSKP Cullin F-Box Protein LigasesTripartite Motif ProteinsFBXO32 protein, humanGlucocorticoidsMuscle ProteinsNF-kappa BNF-kappaB-Inducing KinaseProtein Serine-Threonine KinasesRNA, MessengerSKP Cullin F-Box Protein LigasesTRIM63 protein, humanTripartite Motif ProteinsUbiquitin-Protein LigasesAtrogin‐1catabolismmethylprednisoloneMuRF1NF‐κB inducing kinase

Identifiers

PMID27905294
PMCPMC5112493
OpenAlexW2553618798

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.