Results 41 to 50 of about 547,797 (284)

Structure and Function of a Multi‐Megadalton Virus‐Like Proteolytic Dodecahedron

open access: yesAngewandte Chemie, EarlyView.
Zuzalysin, a virulence metallopeptidase of the periodontal pathogen Porphyromonas gingivalis, is secreted as a latent, flexible ≈95‐kDa monomer. Calcium triggers cysteine‐switch activation and hierarchical assembly into pentamers, bipentamers, tripentamers, and a ≈5.6‐MDa, ≈355‐Å dodecahedron. Structures at 1.8–3.6 Å reveal a virus‐sized catalytic cage
Mariusz Madej   +20 more
wiley   +2 more sources

Effect of lipopolysaccharide from periodontal pathogens on the production of tissue plasminogen activator and plasminogen activator inhibitor 2 by human gingival fibroblasts

open access: yes, 2001
The definitive version is available at www.blackwell-synergy.comBoth tissue plasminogen activator (t-PA) and plasminogen activator inhibitor 2 (PAI-2) are important proteolysis factors present in inflamed human periodontal tissues. The aim of the present
Xiao, Y.   +5 more
core   +1 more source

The Role of Neutrophil Extracellular Traps in Periodontitis

open access: yesFrontiers in Cellular and Infection Microbiology, 2021
Periodontitis is a chronic, destructive disease of periodontal tissues caused by multifaceted, dynamic interactions. Periodontal bacteria and host immunity jointly contribute to the pathological processes of the disease.
Jingyi Wang   +5 more
doaj   +1 more source

Fusobacterium nucleatum in the oral cavity is associated with cerebral small vessel disease in patients with ischemic stroke

open access: yesJournal of Stroke and Cerebrovascular Diseases
Objectives: Periodontal disease is reportedly associated with an increased risk of stroke. Recent evidence suggests that periodontal disease aggravates cerebral small vessel disease (CSVD), including lacunar stroke.
Shiro Aoki, MD, PhD   +10 more
doaj   +1 more source

Tinidazole inhibitory and cidal activity against anaerobic periodontal pathogens

open access: yes, 2009
The in vitro activity of tinidazole against anaerobic periodontal pathogens (25 Prevotella buccae, 18 Prevotella denticola, 10 Prevotella intermedia, 6 Prevotella melaninogenica, 5 Prevotella oralis, 10 Fusobacterium nucleatum and 8 Veillonella spp.) was
Alou Cervera, Luis   +10 more
core   +1 more source

AZITHROMYCIN IN VITRO ANTIMICROBIAL ACTIVITY AGAINST SELECTED PERIODONTAL BACTERIAL PATHOGENS [PDF]

open access: yes, 2022
Objectives: Azithromycin is a second-generation macrolide active against a wide range of bacteria, including obligate anaerobes implicated as bacterial pathogens in human periodontitis.
Vayner, Regina
core   +1 more source

A pH‐Switchable Cerium Single‐Atom Enzyme for Peri‐Implantitis Therapy via JAK‐STAT Signaling Axis‐Mediated Macrophage Reprogramming

open access: yesAdvanced Science, EarlyView.
A pH‐switchable cerium single‐atom enzyme is developed for stage‐specific peri‐implantitis therapy. Acidic conditions trigger antibacterial peroxidase‐like activity, whereas neutral conditions activate an antioxidant superoxide dismutase ‐ and catalase ‐like enzymatic relay. This microenvironment‐adaptive catalytic strategy suppresses the IL‐6/JAK‐STAT
Xiaomin Xia   +10 more
wiley   +1 more source

OTUD6A‐Mediated Deubiquitination of PRDX1 Protects Against Oral Ulcer by Restoring Mitochondrial Function

open access: yesAdvanced Science, EarlyView.
In human oral keratinocytes, OTUD6A promoted cell migration by deubiquitinating and stabilizing PRDX1. Conversely, OTUD6A deficiency reduced PRDX1 stability, triggering mitochondrial dysfunction and aggravating OU progression. ABSTRACT Oral ulcers (OU), as the most highly prevalent and recurrent oral mucosal lesion, have an unclear pathogenesis that ...
Xiaoyu Sun   +15 more
wiley   +1 more source

Streptococcus salivarius inhibits immune activation by periodontal disease pathogens [PDF]

open access: yes, 2021
BACKGROUND: Periodontal disease represents a major health concern. The administration of beneficial microbes has been increasing in popularity over efforts to manipulate the microbes using antimicrobial agents.
MacDonald KW   +5 more
core   +1 more source

TH17–Associated Polyamine Metabolism‐Guided Nanozyme Promotes Alveolar Bone Repair in Periodontitis

open access: yesAdvanced Science, EarlyView.
A pronounced TH17‐skewed immune response is identified in experimental periodontitis, and enrichment of the polyamine pathway is observed during TH17 differentiation, suggesting its potential as an immunometabolic target. Inspired by these findings, DFMO@Ui‐Mn is developed as a therapeutic platform combining cascade ROS scavenging with immunometabolic ...
Cheng Zhu   +12 more
wiley   +1 more source

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