Evidence map›Paper›PMID 33588867›Full record

ReviewCell communication and signaling : CCS2021

Drug resistance and Cancer stem cells.

Yuan Li, Zhenning Wang, Jaffer A Ajani, Shumei Song

Open access · goldAbstract readReview
In one paragraph

Review in Cell communication and signaling : CCS, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 208 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
208citing papers in PubMed, 1 pooled it
19.5field-weighted citation impact, top 1% 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

208 citing papers in PubMed, 1 synthesis or guideline pooled it, 307 citations in OpenAlex.

  1. Pooled it
  2. Therapy resistance-related ncRNAs in cervical cancer: biomarkers and therapeutic targets.Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences · 2026
    Review
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  18. The role of theTranslational cancer research · 2026
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148 more citing papers are in PubMed but not listed here.

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

4 authors at 2 institutions in 2 countries.

Yuan LiDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, 77030-4009, USA.
Zhenning WangDepartment of Surgical Oncology and General Surgery, First Hospital of China Medical University, Shenyang, 110001, People's Republic of China.
Jaffer A AjaniDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, 77030-4009, USA. jajani@mdanderson.org.
Shumei SongDepartment of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, 77030-4009, USA. ssong@mdanderson.org.
China Medical University · CNThe University of Texas MD Anderson Cancer Center · US

Funding

The Role of Telomere Shortening in MDS-AML Pathogenesis (resubmission)R01CA160433 · NCI · JOHNS HOPKINS UNIVERSITY · PI ARMANIOS, MARY Y · 2012 to 2016
$1.7M
Prediction of Pathologic Complete Response by Gene Expression Profiling in EsophaR01CA138671 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI AJANI, JAFFER A. · 2010 to 2014
$1.5M
Inhibition of Hedgehog Signaling in Gli-1+Adeno CA of the Esoph or GE junctionR01CA172741 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI AJANI, JAFFER A. · 2013 to 2017
$1.4M
Molecular Biomarkers as Classifiers to Individualize Therapy of Esophagus CancerR21CA129906 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI AJANI, JAFFER A. · 2009 to 2010
$367k
NCI NIH HHS R01 CA138671NCI NIH HHS R01 CA160433NCI NIH HHS R01 CA172741NCI NIH HHS R21 CA129906
6 · The paper itself

Abstract

Therapy resistance is a major problem when treating cancer patients as cancer cells develop mechanisms that counteract the effect of therapeutic compounds, leading to fit and more aggressive clones that contribute to poor prognosis. Therapy resistance can be both intrinsic and/or acquired. These are multifactorial events, and some are related to factors including adaptations in cancer stem cells (CSCs), epithelial-mesenchymal transition (EMT), deregulation of key signaling pathways, drug efflux through ABC transporters, acquired mutations, evading apoptosis, and activation of DNA damage response among others. Among these factors, CSCs represent the major source of therapy resistance. CSCs are a subset of tumor cells that are capable of self-renewal and multilineage progenitor expansion that are known to be intrinsically resistant to anticancer treatments. Multiple clones of CSCs pre-exist, and some can adopt and expand easily to changes in the tumor microenvironment (TME) and/or in response to radio- and chemotherapy. A combination of both intrinsic and extrinsic factors contributes to CSC-mediated therapy resistance. In this review, we will focus on CSCs and therapy resistance as well as suggest strategies to eliminate CSCs and, therefore, overcome resistance. Video abstract.

Indexed as

Drug Resistance, NeoplasmNeoplastic Stem CellsAnimalsBiomarkers, TumorHumansSignal TransductionTumor MicroenvironmentBiomarkers, TumorCancer stem cellsDrug resistanceEMT and TME

Identifiers

PMID33588867
PMCPMC7885480
OpenAlexW3129607550

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.