The Connection Between the Oral Microbiota and the Kynurenine Pathway: Insights into Oral and Certain Systemic Disorders DOI Creative Commons

Rita Kis-György,

Tamás Körtési,

Alexandra Anicka

и другие.

Current Issues in Molecular Biology, Год журнала: 2024, Номер 46(11), С. 12641 - 12657

Опубликована: Ноя. 7, 2024

The oral microbiome, comprising bacteria, fungi, viruses, and protozoa, is essential for maintaining both systemic health. This complex ecosystem includes over 700 bacterial species, such as

Язык: Английский

Importance of Metalloproteinase 8 (MMP-8) in the Diagnosis of Periodontitis DOI Open Access
Emilia Anna Zalewska, Renata Ławicka, Piotr Grygorczuk

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(5), С. 2721 - 2721

Опубликована: Фев. 27, 2024

Periodontitis is a complex condition. Left untreated, it leads to tooth loss and the need for prosthetic treatment. The incidence of periodontitis steadily increasing, so new methods are being sought aid in diagnosis disease. Among postulated determination concentrations bioactive compounds which include extracellular matrix metalloproteinases (MMPs). These enzymes present various structural elements stomatognathic system. most promising enzyme this group appears be metalloproteinase 8 (MMP-8). MMP-8 assays performed gingival fluid or saliva, levels have been shown higher patients with compared healthy subjects correlated some clinical parameters condition severity In addition, preliminary usefulness evaluating effectiveness periodontal treatment doxycycline therapy has demonstrated. Determination active form (aMMP-8) oral rinse using off-the-shelf shows highest potential. Despite reports about aMMP-8 data on role diagnosis, clear requires further research.

Язык: Английский

Процитировано

7

Bioactive injectable mucoadhesive thermosensitive natural polymeric hydrogels for oral bone and periodontal regeneration DOI Creative Commons

Mohammad El-Nablaway,

Fatema Rashed,

Ehab S. Taher

и другие.

Frontiers in Bioengineering and Biotechnology, Год журнала: 2024, Номер 12

Опубликована: Май 28, 2024

Periodontitis is an inflammation-related condition, caused by infectious microbiome and host defense that causes damage to periodontium. The natural processes of the mouth, like saliva production eating, significantly diminish therapeutic medication residency in region periodontal disease. Furthermore, complexity diversity pathological mechanisms make successful periodontitis treatment challenging. As a result, developing enhanced local drug delivery technologies logical therapy procedures provides foundation for effective treatment. Being biocompatible, biodegradable, easily administered tissues, hydrogels have sparked substantial intense curiosity discipline therapy. primary objective hydrogel research has changed recent years intelligent thermosensitive hydrogels, involve adjustable sol-gel transformations regulate release reaction temperature, we present thorough introduction creation efficient construction new regeneration. We also address cutting-edge smart options based on pathophysiology. problems prospective study objectives are reviewed, with focus establishing methods clinical applications.

Язык: Английский

Процитировано

6

Contribution of CNS and extra-CNS infections to neurodegeneration: a narrative review DOI Creative Commons
Pinja Kettunen, Jari Koıstınaho, Taisia Rõlova

и другие.

Journal of Neuroinflammation, Год журнала: 2024, Номер 21(1)

Опубликована: Июнь 6, 2024

Abstract Central nervous system infections have been suggested as a possible cause for neurodegenerative diseases, particularly sporadic cases. They trigger neuroinflammation which is considered integrally involved in processes. In this review, we will look at data linking variety of viral, bacterial, fungal, and protozoan to Alzheimer’s disease, Parkinson’s amyotrophic lateral sclerosis, multiple sclerosis unspecified dementia. This narrative review aims bring together broad range currently supporting the involvement central development diseases. The idea that no single pathogen or group responsible diseases be discussed. Instead, suggest wide susceptibility factors may make individuals differentially vulnerable different infectious pathogens subsequent pathologies.

Язык: Английский

Процитировано

5

Periodontitis Increases Gingival, Serum and Hippocampus β‐Amyloid Expressions but Reduces Neurovascular Coupling in Basilar Artery of Rats DOI Open Access
Earl Fu,

Kuo‐Feng Huang,

Hsi‐Hsien Chang

и другие.

Journal Of Clinical Periodontology, Год журнала: 2025, Номер unknown

Опубликована: Янв. 8, 2025

ABSTRACT Aim Neurodegenerative diseases are characterized by early increased beta‐amyloid (Aβ) and decreased cerebrovascular reactivity. We investigated Aβ in gingiva, serum or hippocampus neurovascular reactivity basilar artery (BA) of periodontitis rats, to test the impact on BA vasoreactivity ex vivo. Materials Methods Periodontitis was induced 32 rats using silk‐ligation. Rats were sacrificed at weeks 0, 1, 2 4. Gingival TNF‐α, IL‐1β quantified via immunoblotting. Alveolar bone destruction examined micro‐computed tomography. Serum values measured enzyme‐linked immunosorbent assay fluorescence staining, respectively. Vasoreactivity myography isolated BA. Results From Week gingival TNF‐α increased. Gingiva, from 2. Nicotine‐induced relaxation declined 2, while acetylcholine‐induced Bone loss correlated with nicotine‐induced relaxation. Correlations observed between Aβs tissues, two relaxations expressions relaxations. Ex vivo, reduced nicotine‐ isoproterenol‐induced but not electrical stimulated Conclusions may increase reduce reactivity, contributing this abnormal coupling.

Язык: Английский

Процитировано

0

Investigating the Connection between Chronic Periodontitis and Parkinson’s Disease: Findings from a Korean National Cohort Study DOI Creative Commons
Na-Eun Lee, Dae Myoung Yoo,

Kyeong Min Han

и другие.

Biomedicines, Год журнала: 2024, Номер 12(4), С. 792 - 792

Опубликована: Апрель 3, 2024

Recent research suggests a potential relevance between chronic periodontitis (CP) and Parkinson’s disease (PD), raising concerns about comorbid PD among elderly CP patients. However, the epidemiologic basis for this association remains unclear. Employing nested case-control design, study explored subsequent occurrences in Korean adults, leveraging validated national population-based dataset covering period from 2002 to 2019. It included 8794 patients 35,176 matched control individuals, established through propensity score matching age, sex, residential area, income. Baseline characteristics were compared using standardized differences, logistic regression was employed assess impact of histories on likelihood while controlling covariates. We performed thorough examination events within both 1-year 2-year intervals preceding index date, incorporating subgroup analyses. Our analysis revealed no statistically significant history development overall. slightly increased individuals with high burden (Charlson Comorbidity Index ≥ 2). In conclusion, although our did not find overall development, elevated subgroups may suggest that comorbidities influence probability certain Considering conditions screening some be also important.

Язык: Английский

Процитировано

4

The Role of Sulfhydryl (Thiols) Groups in Oral and Periodontal Diseases DOI Creative Commons

Sabetim Cerkezi,

Marija Nakova,

Icko Gorgoski

и другие.

Biomedicines, Год журнала: 2024, Номер 12(4), С. 882 - 882

Опубликована: Апрель 16, 2024

Aim. The sulfhydryl (thiols) group of glutathione plays an important role in the neutralization foreign organic compounds and reduction peroxides. purpose study is to evaluate concentration groups gingival tissue healthy individuals those with gingivitis or periodontitis, examine differences between these groups. Material methods. To assess we used spectrophotometric analysis using dithionitrobenzoate (DTNB) as a reagent measure accessible present proteins. sample was divided into three distinct groups: periodontal health, gingivitis, different indices were status participants. Next, statistical conducted compare concentrations among patients. Conclusions. results this showed significantly decreased levels from patients compared people (control group). These confirm defense against free radicals. They share significant detoxification, signal transduction, apoptosis, various other functions at molecular level.

Язык: Английский

Процитировано

4

An update on periodontal inflammation and bone loss DOI Creative Commons
Mingzhu Zhang, Yali Liu, Hamideh Afzali

и другие.

Frontiers in Immunology, Год журнала: 2024, Номер 15

Опубликована: Июнь 11, 2024

Periodontal disease is a chronic inflammatory condition that affects the supporting structures of teeth, including periodontal ligament and alveolar bone. due to an immune response stimulates gingivitis periodontitis, its systemic consequences. This triggered by bacteria may be modulated environmental conditions such as smoking or disease. Recent advances in single cell RNA-seq (scRNA-seq) vivo animal studies have provided new insight into causes periodontitis gingivitis. Dysbiosis, which constitutes change bacterial composition microbiome, key factor initiation progression periodontitis. The host dysbiosis involves activation various types, keratinocytes, stromal cells, neutrophils, monocytes/macrophages, dendritic cells several lymphocyte subsets, release pro-inflammatory cytokines chemokines. has been implicated contributing pathogenesis conditions, diabetes, rheumatoid arthritis, cardiovascular Alzheimer’s Understanding complex interplay between oral microbiome critical for development therapeutic strategies prevention treatment

Язык: Английский

Процитировано

4

Treponema denticola major surface protein (Msp): a key player in periodontal pathogenicity and immune evasion DOI
Yue Zhao, Jiaxin Chen,

Yifei Tian

и другие.

Archives of Microbiology, Год журнала: 2025, Номер 207(2)

Опубликована: Янв. 18, 2025

Язык: Английский

Процитировано

0

Gingipains protect Porphyromonas gingivalis from macrophage-mediated phagocytic clearance DOI Creative Commons
Magdalena Widziołek, Anna Mieszkowska,

Magdalena Marcinkowska

и другие.

PLoS Pathogens, Год журнала: 2025, Номер 21(1), С. e1012821 - e1012821

Опубликована: Янв. 21, 2025

Porphyromonas gingivalis (Pg) is a keystone pathogen in periodontitis, highly prevalent disease manifested by chronic inflammation of the periodontium, alveolar bone resorption and tooth loss. During periodontitis pathobionts such as Pg can enter bloodstream growing evidence correlates with increased risk cardiovascular neurodegenerative diseases. However, mechanism which immune cells respond to challenge vivo remains elusive. produce aggressive proteolytic virulence factors termed gingipains not only provide nutrients necessary for bacterial growth, but also subvert host response, facilitating survival. Using transgenic zebrafish fluorescently labelled macrophages neutrophils, role survival interaction phagocytes during systemic local infection was examined. In contrast wild-type (W83) , isogenic gingipain-null ( ΔK/R-ab) or treated gingipain inhibitors caused less mortality, bacteria were rapidly phagocytosed, acidified phagosomes eradicated when systemically injected, showing that are instrumental preventing phagocytosis intracellular killing innate cells. Moreover, predominantly phagocytosed macrophages, depletion/inactivation injected either locally otic vesicle, internalised neutrophils. This phenomenon -specific Fusobacterium nucleatum neutrophil recruitment then effectively these bacteria. These data demonstrate important phagocytes, especially combating highlight crucial protective subverting response. study emphasizes advantages using interactions real-time, providing valuable experimental system testing new therapeutic strategies aimed at reducing periodontal-associated disease.

Язык: Английский

Процитировано

0

Adjunctive therapea – a promising method in the treatment of periodontal disease DOI

V. N. Margaryan,

Eduard Aghasyan,

Lazar Yessayan

и другие.

Clinical Oral Investigations, Год журнала: 2025, Номер 29(1)

Опубликована: Янв. 23, 2025

Язык: Английский

Процитировано

0