hypoxia/dental caries

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[Hypoxia-dependent control of the activity of innate antimicrobial immunity in patients with dentin caries].

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To study interrelation of maintenance of α-defensins 1-3 and a hypoxia-inducible factor 1-alpha (HIF-1α) in gingival liquid of patients with caries.75 patients with the diagnosis dentine caries were enrolled in the study and divided into two groups: in

Synovial proliferation differentially affects hypoxia in the joint cavities of rheumatoid arthritis and osteoarthritis patients.

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This study was performed to investigate whether synovial proliferation (SP) differentially affects hypoxia in the joint cavities of rheumatoid arthritis (RA) and osteoarthritis (OA) patients. Thirty RA and 42 OA patients who underwent synovitis assessment were classified into two groups based on the

[A pilot study on hypoxia of squamous cell carcinoma in oral cavity].

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OBJECTIVE To examine the extent of hypoxia in oral squamous cell carcinoma and investigate the factors related to the hypoxia. METHODS An animal model of oral squamous cell carcinoma was established and single photon emission computed tomography (SPECT) with 99mTc-HL91 used to detect the hypoxia

Isolation-hypoxia and re-oxygenation of the pallial cavity of female Crepipatella dilatata during estuarine salinity changes requires increased glyoxylase activity and antioxidant metabolism to avoid oxidative damage to female tissues and developing embryos.

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The estuarine slipper limpet Crepipatella dilatata is a gastropod that can survive prolonged periods of low salinities (< 24 PSU) caused by tidal changes and/or prolonged periods of rain. During low salinity events, C. dilatata can isolate its body from the outside environment, by sealing its shell

[Barrier permeability of the cerebrospinal cavity to trypan blue, with special reference to acute oxygen deficiency].

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Hypobaric hypoxia in ascites resistant and susceptible broiler genetic lines influences gut morphology.

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Genetic selection based on rapid growth rates, improved feed conversion, and increased body weights has led to a predisposition to ascites in broiler populations. Sire-family selection was applied to a commercial elite line to produce divergent lines of ascites-resistant (RES) and

RNA interference targeting hypoxia inducible factor 1alpha reduces post-operative adhesions in rats.

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BACKGROUND To investigate the use of RNA interference mediated gene down-regulation targeting hypoxia inducible factor 1alpha (HIF-1alpha) and plasminogen activator inhibitor 1 (PAI-1) in an effort to prevent abdominal adhesion formation. METHODS Real time PCR and a PAI-1 protein activity assay were

Mechanical stretch and hypoxia inducible factor-1 alpha affect the vascular endothelial growth factor and the connective tissue growth factor in cultured ACL fibroblasts.

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OBJECTIVE The adult human anterior cruciate ligament (ACL) has poor functional healing response. Hypoxia plays an important role in regulating the microenvironment of the joint cavity after ACL injury, however, its role in mechanical injury is yet to be examined fully in ACL fibroblasts. In this

The role of branchial and orobranchial O2 chemoreceptors in the control of aquatic surface respiration in the neotropical fish tambaqui (Colossoma macropomum): progressive responses to prolonged hypoxia.

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The present study examined the role of branchial and orobranchial O(2) chemoreceptors in the cardiorespiratory responses, aquatic surface respiration (ASR), and the development of inferior lip swelling in tambaqui during prolonged (6 h) exposure to hypoxia. Intact fish (control) and three groups of

Extended hypoxia in the alfalfa leafcutting bee, Megachile rotundata, increases survival but causes sub-lethal effects.

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Many insects are tolerant of hypoxic conditions, but survival may come at a cost to long-term health. The alfalfa leaf-cutting bee, Megachile rotundata, develops in brood cells inside natural cavities, and may be exposed to hypoxic conditions for extended periods of time. Whether M. rotundata is

[Sequential expression of hypoxia-inducible factor 1alpha and its significance in secondary spinal cord injury].

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OBJECTIVE To investigate the expression pattern of hypoxia-inducible factor 1alpha (HIF-1alpha) in experimental secondary spinal cord injury (SSCI) in rats and its potential effects on SSCI. METHODS A total of 66 SD rats (female or male) with weight (250 +/- 20) g were randomly divided into 3

[Continuous monitoring of fetal oxygen saturation (FSpO2) using intrapartum fetal pulse oximetry (IFPO) in the diagnosis of acute fetal hypoxia].

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OBJECTIVE The aim of the study was to evaluate the possibility of lowering the Caesarean Section rate in patients presenting the signs of intrauterine hypoxia on CTG tracing by evaluating the foetal oxygen saturation (FSpO2) by means of intrapartum foetal pulse oximetry (IFPO). METHODS Open

Laryngeal endocrine cells: topographic distribution and adaptation to chronic hypercapnic hypoxia.

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The morphology, topographic distribution, effects of denervation, and exposure to hypercapnic hypoxia of endocrine cells were examined in rat larynx. The endocrine cells, which were immunoreactive for protein gene product 9.5 (PGP 9.5) and calcitonin gene-related peptide (CGRP), were observed within

Hypoxia Promotes Invasion of Endometrial Stromal Cells via Hypoxia-Inducible Factor 1α Upregulation-Mediated β-Catenin Activation in Endometriosis.

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Endometriosis is a common benign gynecological disease defined as the presence of endometrial tissue outside the uterine cavity. The aim of this study was to identify the molecular mechanism underlying hypoxia-induced increases in invasive ability of human endometrial stromal cells (HESCs). Herein,

Hypoxia depresses nitric oxide output in the human nasal airways.

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OBJECTIVE The role of oxygen in the nasal air on nasal nitric oxide (NO) output was studied in 13 adult volunteers. METHODS Nasal NO was measured while air containing oxygen (0%-100% in nitrogen) was aspirated through the nasal airway before and after the topical application of

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