Evidence map›Paper›PMID 9199290›Full record

ArticleMolecular and cellular biology1997

Signaling through mitogen-activated protein kinase and Rac/Rho does not duplicate the effects of activated Ras on skeletal myogenesis.

M B Ramocki, S E Johnson, M A White, C L Ashendel, S F Konieczny, E J Taparowsky

Open access · bronzeAbstract read
In one paragraph

Article in Molecular and cellular biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
3.7field-weighted citation impact, top 6% 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

24 citing papers in PubMed, 80 citations in OpenAlex.

  1. Grb2/Sos1 signaling regulates the number of reserve cells in C2C12 cell culture.In vitro cellular & developmental biology. Animal · 2026
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  12. A protein kinase B-dependent and rapamycin-sensitive pathway controls skeletal muscle growth but not fiber type specification.Proceedings of the National Academy of Sciences of the United States of America · 2002
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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

6 authors at 2 institutions in 1 country.

M B RamockiDepartment of Biological Sciences, Purdue University, West Lafayette, Indiana 47907-1392, USA.
S E Johnson
M A White
C L Ashendel
S F Konieczny
E J Taparowsky
Purdue University West Lafayette · USThe University of Texas Southwestern Medical Center · US

Funding

COMPONENTS OF RAS-MEDIATED GROWTH CONTROLR01CA071443 · NCI · UT SOUTHWESTERN MEDICAL CENTER · PI WHITE, MICHAEL A. · 1996 to 2015
$4.8M
TRAINING IN DRUG AND CARCINOGEN-DNA INTERACTIONST32CA009634 · NCI · PURDUE UNIVERSITY WEST LAFAYETTE · PI BERGSTROM, DONALD E. · 1990 to 2006
$1.4M
NCI NIH HHS CA71443NCI NIH HHS T32 CA09634NIAMS NIH HHS AR41115
6 · The paper itself

Abstract

The ability of basic helix-loop-helix muscle regulatory factors (MRFs), such as MyoD, to convert nonmuscle cells to a myogenic lineage is regulated by numerous growth factor and oncoprotein signaling pathways. Previous studies have shown that H-Ras 12V inhibits differentiation to a skeletal muscle lineage by disrupting MRF function via a mechanism that is independent of the dimerization, DNA binding, and inherent transcriptional activation properties of the proteins. To investigate the intracellular signaling pathway(s) that mediates the inhibition of MRF-induced myogenesis by oncogenic Ras, we tested two transformation-defective H-Ras 12V effector domain variants for their ability to alter terminal differentiation. H-Ras 12V,35S retains the ability to activate the Raf/MEK/mitogen-activated protein (MAP) kinase cascade, whereas H-Ras 12V,40C is unable to interact directly with Raf-1 yet still influences other signaling intermediates, including Rac and Rho. Expression of each H-Ras 12V variant in C3H10T1/2 cells abrogates MyoD-induced activation of the complete myogenic program, suggesting that MAP kinase-dependent and -independent Ras signaling pathways individually block myogenesis in this model system. However, additional studies with constitutively activated Rac1 and RhoA proteins revealed no negative effects on MyoD-induced myogenesis. Similarly, treatment of Ras-inhibited myoblasts with the MEK1 inhibitor PD98059 revealed that elevated MAP kinase activity is not a significant contributor to the H-Ras 12V effect. These data suggest that an additional Ras pathway, distinct from the well-characterized MAP kinase and Rac/Rho pathways known to be important for the transforming function of activated Ras, is primarily responsible for the inhibition of myogenesis by H-Ras 12V.

Indexed as

Mitogen-Activated Protein Kinase KinasesAnimalsCalcium-Calmodulin-Dependent Protein KinasesCells, CulturedEnzyme InhibitorsFlavonoidsGene Expression Regulation, DevelopmentalGTP-Binding ProteinsMAP Kinase Kinase 1MiceMuscle, SkeletalMyoD ProteinProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-raf2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-oneCalcium-Calmodulin-Dependent Protein KinasesEnzyme InhibitorsFlavonoidsGTP-Binding ProteinsMap2k1 protein, mouseMAP Kinase Kinase 1Mitogen-Activated Protein Kinase KinasesMyoD ProteinProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-rafProto-Oncogene Proteins p21(ras)rac GTP-Binding Proteinsrho GTP-Binding Proteins

Identifiers

PMID9199290
PMCPMC232208
OpenAlexW2144580573

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.