Evidence map›Paper›PMID 32814441›Full record

ArticleArteriosclerosis, thrombosis, and vascular biology2020

Defining Endothelial Cell-Derived Factors That Promote Pericyte Recruitment and Capillary Network Assembly.

Scott S Kemp, Kalia N Aguera, Byeong Cha, George E Davis

Open access · greenAbstract readVideo-Audio Media
In one paragraph

Article in Arteriosclerosis, thrombosis, and vascular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed
6.5field-weighted citation impact, top 2% 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

65 citing papers in PubMed, 98 citations in OpenAlex.

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  12. Integrin α8-Mediated Pericyte Morphogenesis Controls Blood-Brain Barrier Integrity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
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5 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Scott S KempDepartment of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa.
Kalia N AgueraDepartment of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa.
Byeong ChaDepartment of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa.
George E DavisDepartment of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa.
University of South Florida · US

Funding

Molecular regulation of Rho and Ras family GTPase activity controls vascular lumen formation.R01HL126518 · NHLBI · UT SOUTHWESTERN MEDICAL CENTER · PI CLEAVER, ONDINE B, DAVIS, GEORGE E · 2015 to 2023
$3.1M
Priming of vascular tube morphogenesis: Novel role for VEGF and downstreamRhoA activationR01HL136139 · NHLBI · UNIVERSITY OF SOUTH FLORIDA · PI CLEAVER, ONDINE B, DAVIS, GEORGE E · 2017 to 2020
$1.6M
Novel growth factor and signaling requirements for human capillary tube assemblyR01HL128584 · NHLBI · UNIVERSITY OF SOUTH FLORIDA · PI DAVIS, GEORGE E · 2015 to 2018
$1.5M
Molecular basis for defective pericyte-endothelial cell interactions regulating vascular malformationsR01HL149748 · NHLBI · UNIVERSITY OF SOUTH FLORIDA · PI DAVIS, GEORGE E · 2020 to 2023
$1.5M
Renal vascular remodeling and arteriogenesis: cues from smooth muscle progenitor cellsR01DK124393 · NIDDK · UT SOUTHWESTERN MEDICAL CENTER · PI CLEAVER, ONDINE B · 2020 to 2023
$1.4M
NHLBI NIH HHS R01 HL126518NHLBI NIH HHS R01 HL128584NHLBI NIH HHS R01 HL136139NHLBI NIH HHS R01 HL149748NIDDK NIH HHS R01 DK124393
6 · The paper itself

Abstract

objectiveWe sought to identify and investigate the functional role of the major endothelial cell (EC)-derived factors that control pericyte recruitment to EC tubes and pericyte-induced tube maturation during capillary network formation. Approach and Results: We identify PDGF (platelet-derived growth factor)-BB, PDGF-DD, ET (endothelin)-1, TGF (transforming growth factor)-β, and HB-EGF (heparin-binding epidermal growth factor), as the key individual and combined regulators of pericyte assembly around EC tubes. Using novel pericyte only assays, we demonstrate that PDGF-BB, PDGF-DD, and ET-1 are the primary direct drivers of pericyte invasion. Their addition to pericytes induces invasion as if ECs were present. In contrast, TGF-β and HB-EGF have minimal ability to directly stimulate pericyte invasion. In contrast, TGF-β1 can act as an upstream pericyte primer to stimulate invasion in response to PDGFs and ET-1. HB-EGF stimulates pericyte proliferation along with PDGFs and ET-1. Using EC-pericyte cocultures, individual, or combined blockade of these EC-derived factors, or their pericyte receptors, using neutralizing antibodies or chemical inhibitors, respectively, interferes with pericyte recruitment and proliferation. As individual factors, PDGF-BB and ET-1 have the strongest impact on these events. However, when the blocking reagents are combined to interfere with each of the above factors or their receptors, more dramatic and profound blockade of pericyte recruitment, proliferation, and pericyte-induced basement membrane deposition occurs. Under these conditions, ECs form tubes that become much wider and less elongated as if pericytes were absent.

conclusionsOverall, these new studies define and characterize a functional role for key EC-derived factors controlling pericyte recruitment, proliferation, and pericyte-induced basement membrane deposition during capillary network assembly.

Indexed as

Cell MovementNeovascularization, PhysiologicParacrine CommunicationAngiogenic ProteinsBecaplerminBrainCapillariesCell ProliferationCells, CulturedCoculture TechniquesEndothelin-1Heparin-binding EGF-like Growth FactorHumansHuman Umbilical Vein Endothelial CellsLymphokinesPericytesAngiogenic ProteinsBecaplerminEndothelin-1HBEGF protein, humanHeparin-binding EGF-like Growth FactorLymphokinesPDGFD protein, humanPlatelet-Derived Growth FactorTransforming Growth Factor betaendothelial cellsendothelinspericytesplatelet-derived growth factortransforming growth factors

Identifiers

PMID32814441
PMCPMC7939110
OpenAlexW3080122616

What OpenQuestion holds

Textmetadata
LicenceTDM
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.