Evidence map›Paper›PMID 9614188›Full record

ArticleMolecular biology of the cell1998

Effects of age on the posttranscriptional regulation of CCAAT/enhancer binding protein alpha and CCAAT/enhancer binding protein beta isoform synthesis in control and LPS-treated livers.

C C Hsieh, W Xiong, Q Xie, J P Rabek, S G Scott, M R An, P D Reisner, D T Kuninger, J Papaconstantinou

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

20 citing papers in PubMed, 64 citations in OpenAlex.

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  13. Thioredoxin-ASK1 complex levels regulate ROS-mediated p38 MAPK pathway activity in livers of aged and long-lived Snell dwarf mice.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2006
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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

9 authors at 3 institutions in 2 countries.

C C HsiehDepartment of Human Biological Chemistry and Genetics, University of Texas Medical Branch, Galveston, Texas 77551, USA.
W Xiong
Q Xie
J P Rabek
S G Scott
M R An
P D Reisner
D T Kuninger
J Papaconstantinou
The University of Texas Medical Branch at Galveston · USChonnam National University Hospital · KRDay Family Medicine · US

Funding

SEROTONIN AND CORTICOSTEROIDS IN THE AGING HIPPOCAMPUSP01AG010514 · NIA · UNIVERSITY OF TEXAS MEDICAL BR GALVESTON · PI PAPACONSTANTINOU, JOHN NMN · 1992 to 2001
$2.4M
NIA NIH HHS P01 AG10514
6 · The paper itself

Abstract

The CCAAT/enhancer binding protein alpha (C/EBPalpha) and CCAAT/enhancer binding protein beta (C/EBPbeta) mRNAs are templates for the differential translation of several isoforms. Immunoblotting detects C/EBPalphas with molecular masses of 42, 38, 30, and 20 kDa and C/EBPbetas of 35, 20, and approximately 8.5 kDa. The DNA-binding activities and pool levels of p42(C/EBPalpha) and p30(C/EBPalpha) in control nuclear extracts decrease significantly whereas the binding activity and protein levels of the 20-kDa isoforms increase dramatically with LPS treatment. Our studies suggest that the LPS response involves alternative translational initiation at specific in-frame AUGs, producing specific C/EBPalpha and C/EBPbeta isoform patterns. We propose that alternative translational initiation occurs by a leaky ribosomal scanning mechanism. We find that nuclear extracts from normal aged mouse livers have decreased p42(C/EBPalpha) levels and binding activity, whereas those of p20(C/EBPalpha) and p20(C/EBPbeta) are increased. However, translation of 42-kDa C/EBPalpha is not down-regulated on polysomes, suggesting that aging may affect its nuclear translocation. Furthermore, recovery of the C/EBPalpha- and C/EBPbeta-binding activities and pool levels from an LPS challenge is delayed significantly in aged mouse livers. Thus, aged livers have altered steady-state levels of C/EBPalpha and C/EBPbeta isoforms. This result suggests that normal aging liver exhibits characteristics of chronic stress and a severe inability to recover from an inflammatory challenge.

Indexed as

RNA Processing, Post-TranscriptionalAgingAnimalsBlotting, SouthernBlotting, WesternCCAAT-Enhancer-Binding ProteinsCell ExtractsCell NucleusCOS CellsDNA-Binding ProteinsGene Expression RegulationGenetic VectorsLipopolysaccharidesLiverMiceMice, Inbred C57BLCCAAT-Enhancer-Binding ProteinsCell ExtractsDNA-Binding ProteinsLipopolysaccharidesNuclear ProteinsOligodeoxyribonucleotidesOrosomucoid

Identifiers

PMID9614188
PMCPMC25372
OpenAlexW2124090060

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.