7ND protein exerts inhibitory effects on both osteoclast differentiation in vitro and lipopolysaccharide‑induced bone erosion in vivo.

Excessive numbers of osteoclasts are responsible for inflammation‑induced osteolysis. Identification of osteoclast‑targeting agents may facilitate the development of a novel therapeutic approach for the treatment of pathological bone loss. Seven‑amino acid truncated (7ND) protein, a mutant form of monocyte chemoattractant protein‑1 (MCP‑1), functions as a competitive inhibitor of MCP‑1.

Alteration of circular RNA expression in rat dental follicle cells during osteogenic differentiation.

Circular RNAs (circRNAs) are novel noncoding RNAs and play crucial roles in various biological processes. However, little is known about the functions of circRNAs in osteogenic differentiation. The current study aimed to investigate the differential expression of circRNAs in rat dental follicle cells (rDFCs) during osteogenic differentiation, identified by RNA high-throughput sequencing and quantitative real-time polymerase chain reaction.

Effect of obturation technique with immediate and delayed post space preparation on apical voids and bond strength of apical gutta-percha.

Objective: The purpose of this study was to evaluate the effect of immediate and delayed post space preparation on the sealing ability of two root canal obturation techniques by using micro-computed tomography imaging and a push-out test.

Methods: The root canals of 40 human maxillary premolar teeth were instrumented and divided into four groups: (A) single cone (SC) followed by immediate post space preparation, (B) continuous wave of condensation (CWC) followed by immediate post space preparation, (C) SC followed by delayed post space preparation, and (D) CWC followed by delayed post space preparation. Micro-CT scans were performed for volumetric analysis of voids and filling materials in the apical 4-mm portion.

LL-37 inhibits LPS-induced inflammation and stimulates the osteogenic differentiation of BMSCs via P2X7 receptor and MAPK signaling pathway.

Oral diseases, such as periapical periodontitis and periodontitis, are characterized by inflammation-induced bone loss. LL-37, a human antimicrobial peptide (AMP), has multiple biological functions and the potential to promote osteogenesis. Therefore, this study aimed to investigate the regulatory effects of LL-37 within normal and inflammatory microenvironments.