chronic periodontitis/hypoxia

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13 resultados

Evaluation of serum ceruloplasmin in aggressive and chronic periodontitis patients.

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BACKGROUND Pro-inflammatory markers are seen to increase in inflammatory diseases like periodontitis. Detecting an increase in these markers is one of the diagnostic modality. One such marker, which can be detected, is the ceruloplasmin. Ceruloplasmin induces hypoxia and generates oxygen radicals at

[Influence of cobalt chloride-induced hypoxia on the proliferation and apoptosis of periodontal ligament cells].

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OBJECTIVE To investigate the effect of hypoxia on proliferation and expression of HIF-1alpha and Caspase-3 in human periodontal ligament cells (PDLCs). METHODS Human PDLCs were exposed to cobalt chloride in order to mimic hypoxia. Cell viability of PDLCs was determined by MTT methods. Expression of

Inhibition of transforming growth factor β1/Smad3 signaling decreases hypoxia-inducible factor-1α protein stability by inducing prolyl hydroxylase 2 expression in human periodontal ligament cells.

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BACKGROUND Hypoxia-inducible factor-1α (HIF-1α), the α subunit of the heterodimeric transcription factor HIF-1, maintains oxygen homeostasis by regulating gene expression. Under normoxic conditions, HIF-1α expression is maintained at low steady-state levels by the critical oxygen sensor prolyl

Effect of diabetes on collagen metabolism and hypoxia in human gingival tissue: a stereological, histopathological, and immunohistochemical study.

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Diabetes mellitus and periodontitis are chronic inflammatory diseases that disrupt soft tissue metabolism. The diseases separately or together increase apoptosis in gingival fibroblast cells and reduce cell renewal. We investigated the effects of diabetes and periodontitis on the composition and

A disintegrin-like And metalloproteinase with thrombospondin-1 (ADAMTS-1) levels in gingival crevicular fluid correlate with vascular endothelial growth factor-A, hypoxia-inducible factor-1α, and clinical parameters in patients with advanced periodontitis.

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ADAMTS (A disintegrin-like and metalloproteinase with thrombospondin) are a family of proteinases that are structurally similar to the family of matrix metalloproteinases with critical roles in damage and repair of the extracellular matrix. Their functions are closely related to

The osteogenic differentiation of PDLSCs is mediated through MEK/ERK and p38 MAPK signalling under hypoxia.

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OBJECTIVE During orthodontic treatment and chronic periodontitis, the periodontal vasculature is severely impaired by overloaded mechanical force or chronic inflammation. This leads to the hypoxic milieu of the periodontal stem cell niche and ultimately affects periodontal tissue remodelling.

MicroRNA-210 protects against periodontitis through targeting HIF-3α and inhibiting p38MAPK/NF-κB pathway.

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The aim of this study was to investigate the effects of miR-210 abnormal expression on Porphyromonas gingivalis lipopolysaccharide (LPS)-treated primary human periodontal ligament cells (PDLCs). The miR-210 level was identified in gingival tissues from patients with chronic periodontitis (CP)

CoCl2 induces apoptosis via a ROS-dependent pathway and Drp1-mediated mitochondria fission in periodontal ligament stem cells.

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Oxygen deficiency is associated with various oral diseases, including chronic periodontitis, age-related alveolar bone loss, and mechanical stress-linked cell injury from orthodontic appliances. Nevertheless, our understanding of the impact of hypoxia on periodontal tissues and its biochemical

Dental hypofunction alters subgingival microorganisms: a pilot study.

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The aim of this study was to evaluate dental plaque compositions, vascular endothelial growth factor (VEGF) and hypoxia-inducible factor (HIF) 1-alpha levels in gingival crevicular fluid (GCF) at hypofunctional and normofunctional teeth in healthy individuals and chronic periodontitis

Immunoexpression of HIF-1α and VEGF in Periodontal Disease and Healthy Gingival Tissues.

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Hypoxia-inducible factor 1 alpha (HIF-1α) and vascular endothelial growth factor (VEGF) are proteins that stimulate the proliferation and migration of endothelial cells. These proteins have been described in many pathologic and inflammatory conditions, but their involvement in the development of

Pathogenesis of Alzheimer's disease: Multiple interacting causes against which amyloid precursor protein protects

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Alzheimer's disease is the commonest form of senile dementia. It is characterised by neuronal cell death and amyloid deposition. Amyloid precursor protein (APP), which is highly conserved in evolution, is expressed in neurones in response to a wide range of damaging agents. The hypothesis proposed

Porphyromonas gingivalis triggers inflammatory responses in periodontal ligament cells by succinate-succinate dehydrogenase-HIF-1α axis.

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Metabolic reprogramming from oxidative phosphorylation to glycolysis have been implicated in the pathogenesis of inflammatory diseases, such as pulmonary hypertension, rheumatoid arthritis and sepsis. Whether metabolic reprogramming participates in the progression of bacteriogenic periodontitis has

Gingival crevicular fluid and salivary HIF-1α, VEGF, and TNF-α levels in periodontal health and disease.

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Hypoxia-inducible factor-1 alpha (HIF-1α) is expressed as an adaptive response to hypoxia, mediates angiogenesis through the expression of vascular endothelial growth factor (VEGF) and can be induced by tumor necrosis factor-alpha (TNF-α). This study aimed to investigate the gingival

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