Background: Tinnitus refers to a common disorder affecting older adults frequently. This condition can disturb mental health and psychological well-being and contribute to cognitive decline. Despite recent advances in research, its pathophysiology remains incompletely understood.
View Article and Find Full Text PDFThis study aimed to assess the biological properties of two ready-to-use bioceramic sealers (EndoSequence BC Sealer - EBCS; Bio-C Sealer - BCS) on osteoblastic lineage cells. MC3T3 osteoblast-like cells were exposed to extracts of bioceramic materials. Cytotoxicity was evaluated using the MTT method, genotoxicity was assessed by the micronucleus test and the expression of BMP1, BMP2 and ALP was measured by RT-qPCR, after 1, 3 and 7 days.
View Article and Find Full Text PDFBackground: The recognition of food as the trigger of attacks occurs in approximately 25% of individuals with migraine. However, differentiating migraine food triggers and prodrome symptoms is still a challenge.
Objective: To understand the association of clinical characteristics of migraine with food triggers and to identify predictors of food triggers.
Context: Presbycusis can be mediated by the effects of inflammatory processes on the auditory system, and these aging biological mechanisms remain poorly studied.
Aims: The aim of this study was to determine whether plasma biomarkers are associated with hearing disorders caused by aging in the elderly.
Settings And Design: Cross-sectional study with 106 participants in the Active Aging Project, 93 (88%) females and 13 (12%) males, with an average age of 70 years.
Introduction: Chronic obstructive pulmonary disease is a systemic disease characterized not only by respiratory symptoms but also by physical deconditioning and muscle weakness. One prominent manifestation of this disease is the decline in respiratory muscle strength. Previous studies have linked the genotypes of insulin-like growth factor 1 and 2 (IGF-1 and IGF-2) to muscle weakness in other populations without this disease.
View Article and Find Full Text PDFThe aim was to evaluate in vitro cytotoxicity and genotoxicity of Bio-C Repair (BCR), compared to Endosequence BC Root Repair (ERRM), MTA Angelus (MTA-Ang), and MTA Repair HP (MTA-HP). MC3T3 osteoblastic cells were exposed to extracts of the repairing bioceramic cements. After 1, 3, and 7 days, cytotoxicity and genotoxicity were evaluated by MTT and Micronucleus tests, respectively.
View Article and Find Full Text PDFIntroduction: For the most part, migraine afflicts young women who often need to use the hormonal contraceptive method.
Objective: To evaluate the effects of using exogenous estrogen, present in combined hormonal contraceptives (CHC) and progestin-only methods on the prevalence of allodynia in women with migraine.
Methods: Study comprising women diagnosed with migraine, with or without aura, who were not pregnant, breastfeeding, or menopausal.
In this research communication the genetic diversity of Pseudomonas fluorescens (n = 67) and Pseudomonas putida (n = 44) isolated from refrigerated raw milk from bulk tank trucks were verified. The relationship between the genetic profile of the isolates and their lipoproteolytic potential was evaluated using skim milk agar and tributyrin agar (21°C/72 h). The lipoproteolytic potential (low or high), evaluated by the diameter of the halos (cm), was correlated with the number of milk producing properties that contributed to each sample (one sample = one bulk tank truck; 8-80 producers/sample) and the distance between the dairy properties and the processing plant (21-370 km).
View Article and Find Full Text PDFBackground: Low vitamin D levels are associated with a more severe case of knee osteoarthritis (OA). However, there are few published reports concerning an association between vitamin D deficiency and functional status of individuals with OA and no reports about postural balance in this population.
Aim: To analyze the relationship between vitamin D deficiency and severity, functional status, and balance in elderly patients with OA.
Background: Headache is one of the most common causes of emergency care and migraines are the most common primary headache in this regard.
Objective: The aim of this research study was to assess the incidence of medical consultations due to headache, along with demographic characteristics and treatments pertaining to cephalalgia that were offered to patients cared for in supplemental healthcare emergency rooms.
Methods: In 2017, a total of 11,105 consultations took place, and 4,865 (43.
Background: Neck pain is a major public health problem.
Objective: The aim of the present study was to determine the prevalence of neck pain among high school students and to analyze associations with sociodemographic variables, use of electronic devices, habitual physical activity practices and mental health problems.
Design And Setting: Cross-sectional epidemiological study on a sample of high school students in the city of Bauru, São Paulo, Brazil.
Background: Pressure pain threshold (PPT) is decreased in several musculoskeletal disorders, giving indirect evidence regarding pain status. Despite the fact that PPT has been already proven to be reliable in patients with acute conditions, there is great variability of methods and results observed within studies, and only a few evidences confirming its reliability in chronic conditions.
Objective: The objective of this study was to determine the test-retest reliability of PPT in the neck and low back regions to discriminate individuals with neck or low back pain from healthy individuals.
Aim: To investigate the association between the single nucleotide polymorphism in the position-889 (C/T) of the promoter region of the IL-1α gene and the susceptibility to tinnitus.
Method: This was a case-control study with a sample of 108 independent elderly people over 60 years of age. Information on exposure to occupational noise and tinnitus was obtained by interviews.
Background: Fibromyalgia (FM) is a chronic pain syndrome characterized by generalized skeletal muscle chronic pain. Its etiology is not well defined, because there are several factors that may trigger it such as physical and/or emotional stresses, or a genetic susceptibility, involving serotonergic, dopaminergic and catecholaminergic paths. The objective of this study was to investigate the association between the strength of the lower limb, genetic polymorphism of the serotonin receptor gene HTR in women with fibromyalgia.
View Article and Find Full Text PDFThe objective of the work described in this research communication was to determine the lipoproteolytic capacity and potential of Pseudomonas spp. from the microbiota of refrigerated raw milk. The influence of temperature and bacterial population on these activities was also evaluated.
View Article and Find Full Text PDFBackground: The bariatric surgery may have negative repercussions on oral conditions.
Aim: To evaluate the impact of oral health educational/preventive program developed with patients submitted to gastroplasties.
Method: The sample consisted of 109 patients randomly allocated to two groups: intervention group (IG), where they participated in the oral health promotion program that include multiple educational-preventive approaches; control group (CG), where they received usual care from the bariatric clinic staff, without participation in the program.
Objective: The aim of this study was to analyze the effects of low-intensity pulsed ultrasound therapy under different pulse regimes on cultures of semiconfluent L929 fibroblasts, evaluating cell viability, anatomical structural alterations, modulation of vascular endothelial growth factor, interleukin 6, collagen type 1 alpha 1, collagen type 1 alpha 2, and fibroblast growth factor 7, as well as the amount of inflammatory mediators interleukin 2, interleukin 4, interleukin 6, interferon γ, tumor necrosis factor, interleukin 17A, and interleukin 10 at 24, 48, and 72 hrs.
Design: The design was experimental study.
Methods: The treatments consisted of 0.
Background: Osteoarthritis (OA) is a major musculoskeletal disease with high prevalence in the elderly. The study of genetic polymorphisms of inflammatory mediators involved in OA may contribute to the elucidation of the complex pathophysiology of this disease and identification of susceptibility individuals.
Aim: This study aimed to evaluate the association between polymorphism at tumor necrosis factor alpha gene (SNP - 308 G/A TNFA) with presence, severity and functional status of osteoarthritis in elderly.
Objective: This study aimed to analyze cell viability and gene expression interleukin 6 and vascular endothelial growth factor after continuous ultrasound therapy of 1 and 3 MHz in L929 fibroblast cells.
Design: The L929 cells were cultivated in 12-well plates and divided into the following five groups: Group 1 (G1), nonirradiated; G2, 0.2 W/cm-1 MHz; G3, 0.
Background: The colorectal neoplasm is the fourth most common malignancy among males and the third among females. In the Western world is estimated that 5% of the population will develop it, making this disease a major public health problem.
Aim: To analyze the prevalence of the polymorphism -765G / C region of the COX-2 gene in colorectal cancer patients compared to a control group, analyzing the possible association between this polymorphism and susceptibility to colorectal cancer.
The effect of low-level laser therapy (LLLT) on the healing of skin lesions has been evaluated in many studies; however, the molecular mechanisms involved in the biostimulatory effects resulting from this treatment need to be better understood. The paper aims to analyze the effects of LLLT (660 nm) at doses of 1 and 5 J/cm on cell viability and expression of vascular endothelial growth factor (VEGF) and interleukin (IL6) genes in L929 fibroblast cells. The dose-response curve was performed with the GaInAlAs (660 nm) laser-treated cells at energy rates of 1 and 5 J/cm.
View Article and Find Full Text PDFThis study used the 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH) method to evaluate the percentage of antioxidant activity (%AA) of green tea (GT) and sodium ascorbate (SA) gel in three concentrations (10%, 20% and 30%), and the influence of these concentrations on the microshear bond strength (μ-SBT) values of bleached enamel, using 10% carbamide peroxide (CP). Eighty intact third molars were selected to perform the μ-SBT test, and were randomly divided into eight experimental groups: G1: positive control - no treatment; G2: negative control - bleached with CP; G3: PC +10% GT; G4: PC +20% GT; G5: PC +30% GT; G6: PC +10% SA; G7: PC +20% SA and G8: PC +30% SA. After applying the treatments, adhesive procedures were performed using Single Bond 2 and Filtek Z350XT.
View Article and Find Full Text PDFRev Bras Reumatol Engl Ed
September 2019
The aim of this study was to investigate the association between oral health status and central obesity (CO) in Brazilian independent-living elderly. A cross-sectional study was carried out in a sample of 489 elderly, who were participants of the Study on Aging and Longevity, in Londrina, state of Parana. The number of natural teeth and use of prostheses were evaluated according to the World Health Organization criteria.
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