Evidence map›Paper›PMID 27396269›Full record

ArticleJournal of periodontal research2017

Laser-activated transforming growth factor-β1 induces human β-defensin 2: implications for laser therapies for periodontitis and peri-implantitis.

E Tang, I Khan, S Andreana, P R Arany

Abstract read
In one paragraph

Article in Journal of periodontal research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 2 pooled it
3.7field-weighted citation impact, top 7% 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

21 citing papers in PubMed, 2 syntheses or guidelines pooled it, 59 citations in OpenAlex.

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  7. Photobiomodulation therapy.JADA foundational science · 2025
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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

4 authors at 3 institutions in 1 country.

E TangCell Regulation and Control Unit, NIDCR, National Institutes of Health, Bethesda, MD, USA.
I KhanCell Regulation and Control Unit, NIDCR, National Institutes of Health, Bethesda, MD, USA.
S AndreanaRestorative and Implant Dentistry, School of Dental Medicine, University at Buffalo, Buffalo, NY, USA.
P R AranyCell Regulation and Control Unit, NIDCR, National Institutes of Health, Bethesda, MD, USA.
National Institute of Dental and Craniofacial Research · USNational Institutes of Health · USUniversity at Buffalo, State University of New York · US

Funding

Oral Wound HealingZIADE000741 · NIDCR · NATIONAL INSTITUTE OF DENTAL & CRANIOFACIAL RESEARCH · PI ARANY, PRAVEEN · 2013 to 2015
$2.0M
Intramural NIH HHS ZIA DE000741
6 · The paper itself

Abstract

backgroundThere is increasing popularity of high-power lasers for surgical debridement and antimicrobial therapy in the management of peri-implantitis and periodontal therapy. Removal of the noxious foci would naturally promote tissue healing directly. However, there are also anecdotal reports of better healing around routine high-power laser procedures. The precise mechanisms mediating these effects remain to be fully elucidated. This work examines these low-dose laser bystander effects on oral human epithelial and fibroblasts, particularly focusing on the role of human β-defensin 2 (HBD-2 or DEFB4A), a potent factor capable of antimicrobial effects and promoting wound healing. MATERIAL AND

methodsLaser treatments were performed using a near-infrared laser (810 nm diode) at low doses. Normal human oral keratinocytes and fibroblast cells were used and HBD-2 mRNA and protein expression was assessed with real time polymerase chain reaction, western blotting and immunostaining. Role of transforming growth factor (TGF)-β1 signaling in this process was dissected using pathway-specific small molecule inhibitors.

resultsWe observed laser treatments robustly induced HBD-2 expression in an oral fibroblast cell line compared to a keratinocyte cell line. Low-dose laser treatments results in activation of the TGF-β1 pathway that mediated HBD-2 expression. The two arms of TGF-β1 signaling, Smad and non-Smad are involved in laser-mediated HBD-2 expression.

conclusionsLaser-activated TGF-β1 signaling and induced expression of HBD-2, both of which are individually capable of promoting healing in tissues adjacent to high-power surgical laser applications. Moreover, the use of low-dose laser therapy itself can provide additional therapeutic benefits for effective clinical management of periodontal or peri-implant disease.

Indexed as

Low-Level Light Therapybeta-DefensinsBlotting, WesternFibroblastsHumansKeratinocytesPeri-ImplantitisPeriodontitisReal-Time Polymerase Chain ReactionTransforming Growth Factor beta1beta-DefensinsDEFB4A protein, humanTransforming Growth Factor beta1defensinslaserslow-level light/laser therapyperi-implantitisperiodontitisphotobiomodulation therapy

Identifiers

PMID27396269
PMCPMC5226924
OpenAlexW2469298799

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.