ArticleRestorative dentistry & endodontics2026
Biological mechanisms underlying the inflammatory radicular cyst formation-focus on epithelial proliferation: a systematic review of experimental cell and tissue models.
Article in Restorative dentistry & endodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- TLR4 expression and its immunopathogenic role in inflammatory radicular cysts: a clinicopathological study.Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologieArticle
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Authors and funding
7 authors.
Funding
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Abstract
Objectives: : This study aimed to assess the molecular and cellular mechanisms involved in the epithelial proliferation that leads to the transformation of periapical granulomas (PGs) into inflammatory radicular cysts (IRCs). Methods: A comprehensive search was conducted in three databases. Experimental, observational, or descriptive studies using human or animal tissue samples, or epithelial cell cultures that assessed the molecular and/or cellular mechanisms driving the proliferation of epithelial rests of Malassez and their role in the transformation of PGs into IRCs were included. The risk of bias and applicability of the included studies were assessed using the QUADAS-2. Results: Fourteen studies (including 399 samples) met the inclusion criteria for qualitative synthesis. The studies highlight the role of pro-inflammatory cytokines (IL-1β, IL-6), growth factors (EGF, KGF, TGF-β, and IGF), and signaling pathways (NF-κB, MAPK/ERK, PI3K/AKT, and Smad) in the progression of PG to IRC. Biomarkers of epithelial proliferation, such as Ki-67, PCNA, and CD34, are consistently associated with this process, while MMP-13 emerges as a key regulator of epithelial behavior and matrix remodeling. Conclusions: IRC development arises from a transition from homeostatic to pathological signaling, in which pro-inflammatory mediator levels inside the periapical chronic inflammation override regulatory checkpoints.
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