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1.
Int. j. morphol ; 41(4): 1077-1082, ago. 2023. ilus
Article in English | LILACS | ID: biblio-1514358

ABSTRACT

SUMMARY: Refixation of the damaged acetabular labrum is a method of surgical treatment of the hip joint that can promote the repair of joint function after injury and prevent premature osteoarthritis. We sought to determine the condition of the hip joint in rabbits 4 months after excision of the acetabular labrum and the condition of the joint after labral refixation. The articular cartilage of the femoral head and acetabulum was examined by histological methods, multipoint measurement of cartilage thickness, and the ratio between cartilage matrix and chondrocytes lacunae, and the condition of cartilage according to the OARSI grading scale was carried out. On this model, a correlation analysis was performed between the results of the OARSI grading scale and the data of linear morphometry. All these parameters made it possible to better assess changes in articular cartilage. The ratio between matrix and chondrocyte lacunae turned out to be a method that allows establishing early cartilage damage when erosion, fibrosis or deformation did not occur. We found significant differences between the condition of the cartilage after exicion of acetabular labrum and after labral refixation, which give hope to confirm that this surgical technique can delay or prevent progressive changes in the cartilage of the damaged hip joint.


La refijación del labrum acetabular dañado es un método de tratamiento quirúrgico de la articulación coxal, que puede promover la reparación de la función articular después de una lesión y prevenir la osteoartritis prematura. Intentamos determinar el estado de la articulación coxal en conejos de 4 meses después de la escisión del labrum acetabular y observar el estado de la articulación después de la refijación del labrum. El cartílago articular de la cabeza femoral y el acetábulo se examinó por métodos histológicos, se midió a través de multipunto el grosor del cartílago y se realizó la relación entre la matriz del cartílago y las lagunas de condrocitos, y se llevó a cabo la condición del cartílago según la escala de clasificación OARSI. Sobre este modelo se realizó un análisis de correlación entre los resultados de la escala de calificación OARSI y los datos de la morfometría lineal. Todos estos parámetros permitieron evaluar mejor los cambios en el cartílago articular. La relación entre la matriz y las lagunas de condrocitos resultó ser un método que permite establecer temprano el daño del cartílago cuando no se presentó erosión, fibrosis o deformación. Encontramos diferencias significativas entre la condición del cartílago después de la extirpación del labrum acetabular y después de la refijación del labrum, lo que da la esperanza de confirmar que esta técnica quirúrgica puede retrasar o prevenir cambios progresivos en el cartílago de la articulación coxal dañada.


Subject(s)
Animals , Rabbits , Cartilage, Articular , Femur Head , Hip Joint , Acetabulum/surgery
2.
Chinese Journal of Epidemiology ; (12): 258-263, 2018.
Article in Chinese | WPRIM | ID: wpr-737945

ABSTRACT

Objective: To estimate the incidence and distribution characteristics of fall related injury in people aged ≥50 years in 8 provinces in China and related physiological, psychological and social risk factors. Methods: Cross-sectional data were collected from adults aged ≥50 years participating in the World Health Organization (WHO) study on global ageing and adult health (SAGE) round 1 in China. Two-level hierarchical logistic model was used to identify the related factors for fall-related injury. All the models were stratified by living area (urban/rural). Results: Estimated incidence of fall related injury (road traffic injury was not included) was 3.2%. Ageing and multiple chronic conditions (OR=2.55, 95%CI: 1.41-4.64) was significantly associated with the incidence of fall related injury in urban area. In rural area, depression (OR=4.33, 95% CI: 2.52-7.42) and multiple chronic conditions (OR=2.46, 95%CI: 1.37-4.41) were associated with the incidence of fall related injury. Conclusions: This study estimated the incidence of fall related injury in adults aged ≥50 years in 8 provinces in China. A significant association between multiple chronic conditions and fall related injury were found in both urban and rural residents. Targeted measures should be taken for the prevention and control of chronic diseases in elderly population.


Subject(s)
Aged , Humans , Middle Aged , Accidental Falls/statistics & numerical data , China , Chronic Disease/epidemiology , Cross-Sectional Studies , Depression/epidemiology , Incidence , Logistic Models , Risk Factors , Rural Population , Wounds and Injuries/etiology
3.
Chinese Journal of Epidemiology ; (12): 710-714, 2018.
Article in Chinese | WPRIM | ID: wpr-738032

ABSTRACT

Objective: To study the prevalence and characteristics of overweight and obesity among Chinese children aged 0-5 years, in 2010-2013. Methods: Data was from the'China Nutrition and Health Surveillance-0-5-Years-Old Children and Lactating Women'project in 2013. Stratified multistage cluster sampling method was used to select 55 districts/counties from 30 provinces (autonomous regions, municipalities) with the sample size of children as 32 862. Definition of overweight and obesity were according to both the WHO 2006 growth standard in children less than 5-year-old and the WHO 2007 growth reference in children of 5-years-old. Results: were calculated by complex weight based on national census from the National Bureau of Statistics in 2010. Results The overall prevalence of overweight was 8.4% among the 0-5-year-old in 2013, with 9.4% in boys and 7.2% in girls. Both of the rates from urban and rural areas were the same, as 8.4%. The prevalence rates of overweight in the 0-, 6-, 12-, 24-, 36-, 48- and 60-71 months age groups appeared as 13.0%, 11.1%, 8.3%, 6.0%, 4.8%, 3.9% and 15.9%, respectively. The rates of overweight in low, medium and high income families were 8.0%, 8.8% and 8.9%, respectively. The prevalence of obesity was 3.1% among the 0-5-year-old, with 3.6% in boys and 2.5% in girls. There was no significant difference seen in urban (3.3%) and rural areas (2.9%). The prevalence rates for obesity in the 0-, 6-, 12-, 24-, 36-, 48- and 60-71 months age groups were 5.8%, 3.8%, 2.5%, 1.6%, 1.2%, 1.3% and 7.8%, respectively. The rates of obesity in low, medium and high income families were 2.8%, 3.3% and 3.5%, respectively. Conclusion: The prevalence rates of both overweight and obesity were increasing among the 0-5-year-olds in China, suggesting that it is necessary to timely conduct the surveillance and intervention programs on overweight and obesity in this target population.


Subject(s)
Adolescent , Child , Child, Preschool , Female , Humans , Infant , Infant, Newborn , Male , Asian People/statistics & numerical data , Body Mass Index , Body Weight , China/epidemiology , Income , Lactation , Nutritional Status , Obesity/ethnology , Overweight/ethnology , Prevalence
4.
Chinese Journal of Epidemiology ; (12): 715-719, 2018.
Article in Chinese | WPRIM | ID: wpr-738033

ABSTRACT

Objective: To analyze the epidemiological characteristics of waist circumference and abdominal obesity among Chinese children and adolescents aged 6-17 years. Methods: Data was from the samples of aged 6-17 years in the China National Nutrition and Health Surveillance program in 2010-2012. P(90) (the same age, the same sex) was used as the diagnostic value for abdominal obesity. Results: The overall waist circumference of children and adolescents in all the age groups appeared higher in males than that in females (P<0.000 1), higher in cities than that in the rural areas (P<0.05), and higher in children with high family income than those with middle or low family incomes (P=0.000 3). The rate of abdominal obesity in children and adolescents aged 6-17 years appeared as 11.2% on average and 10.7% and 11.8% for boys and girls, respectively but with no significant difference (P>0.05). Rates on abdominal obesity appeared as 13.2% and 8.5% for boys while as 12.3% and 11.2% for girls respectively, in urban or rural areas. As for the levels of family income, the abdominal obesity rates appeared as 15.8%, 11.5% and 8.8% respectively for boys while 13.5%, 11.9% and 11.6% respectively for girls, under high, middle and low levels of family income. Conclusion: The rate of abdominal obesity in boys seemed more responsive to the impact of income in urban or rural areas.


Subject(s)
Adolescent , Child , Female , Humans , Male , Asian People/statistics & numerical data , China/epidemiology , Cities , Obesity, Abdominal/ethnology , Prevalence , Waist Circumference
5.
Chinese Journal of Epidemiology ; (12): 720-723, 2018.
Article in Chinese | WPRIM | ID: wpr-738034

ABSTRACT

Objective: To analyze the relationship between family-related factors and the status of overweight and obesity in children and adolescents aged 6-17 years in China. Methods: Data were collected from the China National Nutrition and Health Surveillance in 2010-2012 program. A sample of 6 343 subjects aged 6-17 years was selected, with matched weight, education levels, household income and other family related factors of their parents. Univariate analysis and multivariate logistic regression were used to explore the relationship between family factors and overweight and obesity in school-aged children and adolescents. Results: After adjusted for age, gender and region, results from the multivariate logistic regression showed that both the overweight and obesity of children and adolescents were associated with maternal BMI (OR=1.83, 95%CI: 1.63-2.05), paternal BMI (OR=1.74, 95%CI: 1.57-1.94), mother's educational level (OR=1.24, 95%CI: 1.12-1.37) and household income (OR=1.30, 95%CI: 1.15-1.46). Conclusion: Factors as overweight or obesity status of the parents, mother's educational level and household income were positively correlated with the prevalence of overweight and obesity in Chinese children and adolescents.


Subject(s)
Adolescent , Child , Female , Humans , Male , Body Mass Index , Body Weight , China/epidemiology , Cross-Sectional Studies , Family/psychology , Family Characteristics , Obesity/psychology , Overweight/psychology , Parent-Child Relations , Parents , Pediatric Obesity/ethnology , Prevalence , Schools
6.
Chinese Journal of Epidemiology ; (12): 724-727, 2018.
Article in Chinese | WPRIM | ID: wpr-738035

ABSTRACT

Objective: To analyze the prevalence rates of overweight and obesity in Chinese children and adolescents aged 6-17 years, and to provide scientific basis for the development of prevention strategies on obesity. Methods: Data was from children and adolescents aged 6-17 years in the China National Nutrition and Health Surveillance 2010-2012 program. In children aged 6 years, criteria of overweight and obesity were followed the WHO growth reference for school-aged children and adolescents. In children and adolescents aged 7-17 years, overweight and obesity were defined by sex and age specific BMI, recommended by Guidelines for prevention and control of overweight and obesity among school-age children and adolescents according to the Chinese guidelines. Results: The overall rates on overweight and obesity were 9.6% and 6.4% among the Chinese children and adolescents aged 6-17 years, with 11.0% (12.8% for boys and 9.0% for girls) in urban and 7.7% (boys 9.7%, girls 5.5%) in rural areas. The rates of overweight and obesity among children and adolescents were 8.4% (boys 9.3%, girls 7.4%) and 5.2% (boys 6.2%, girls 4.1%) in the rural areas. According to the levels of household income, the overweight rates of children in high, middle and low incomes were 12.3%, 10.7% and 8.2%, with obesity as 8.6%, 7.2% and 5.7% respectively. Conclusions: In 2012, the prevalence rates of overweight and obese were 9.6% and 6.4% among children and adolescents aged 6-17 years, respectively, higher in urban than in rural areas and higher boys than in girls. The prevalence rates of overweight and obesity seemed to be related to the levels of household income.


Subject(s)
Adolescent , Child , Female , Humans , Male , Asian People/statistics & numerical data , Body Mass Index , China/epidemiology , Health Promotion , Nutritional Status , Obesity/ethnology , Overweight/ethnology , Prevalence
7.
Chinese Journal of Epidemiology ; (12): 810-815, 2018.
Article in Chinese | WPRIM | ID: wpr-738051

ABSTRACT

Objective: To explore the effect of BMI and waist circumference on diabetes of adults. Methods: After excluding participants with heart disease, stroke, cancer and diabetes at baseline study, 53 916 people aged 30-79 in the China Kadoorie Biobank (CKB) study from Tongxiang city of Zhejiang province were recruited. Cox regression model was used to estimate the hazards ratios (HR) for the associations of baseline BMI and waist circumference with incident diabetes. Results: Among 391 512 person-years of the follow-up program between 2004 and 2013 (median 7.26 years), a total of 944 men and 1 643 women were diagnosed as having diabetes. Compared to those with normal weight, after adjusting for known or potential factors, HR of both overweight and obesity in men for incident diabetes appeared as 2.72 (95%CI: 2.47-2.99) and 6.27 (95%CI: 5.33-7.36), respectively. The corresponding figures in women were 2.19 (95%CI: 2.04-2.36) and 3.78 (95%CI: 3.36-4.26). Compared to those with normal waist circumference, after adjusting for known or potential factors, HR of Ⅰgrade andⅡgrade in men for diabetes were 2.56 (95%CI: 2.22-2.95) and 4.66 (95%CI: 4.14-5.24), respectively. The corresponding figures in women were 1.99 (95%CI: 1.80-2.21) and 3.16 (95%CI: 2.90-3.44), respectively. Conclusions: Overweight, obesity and central obesity were all associated with the increased incident of diabetes. Strategies on diabetes prevention should include not only losing weight, but reducing waist circumference as well.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Body Mass Index , China/epidemiology , Diabetes Mellitus/ethnology , Incidence , Obesity/epidemiology , Obesity, Abdominal/epidemiology , Overweight/epidemiology , Proportional Hazards Models , Prospective Studies , Risk Factors , Waist Circumference
8.
Chinese Journal of Epidemiology ; (12): 898-903, 2018.
Article in Chinese | WPRIM | ID: wpr-738068

ABSTRACT

Objective: To investigate the drinking status and associated factors in adults in China. Methods: Based on the 2010-2012 China National Nutrition and Health Survey (CNNHS), a total of 135 824 participants aged ≥18 were included in this cross-sectional analysis. Multivariable logistic regression model was used to investigate the associated factors for drinking status. Results: The overall drinking rate was 30.5% in Chinese adults, 53.8% in men, and 12.2% in women. The excessive drinking rate was 14.0% in men and 1.1% in women. The daily drinking rate was 25.7% in men and 10.9% in women. Men mainly consumed multi-type wines, but women preferred beer. The overall harmful drinking rate was 7.1%. The excessive drinking rate, daily drinking rate, and harmful drinking rate increased first but then declined with age. All the four rates were positively related with physical activity. Conclusions: The drinking rate, excessive drinking rate, daily drinking rate and harmful drinking rate were high in adults in China. Drinking status was associated with age, sex, marital status, education level, smoking status and physical activity.


Subject(s)
Adult , Female , Humans , Male , Alcohol Drinking/epidemiology , Alcoholism/epidemiology , Asian People/statistics & numerical data , China/epidemiology , Cross-Sectional Studies , Smoking/epidemiology
9.
Chinese Journal of Epidemiology ; (12): 1200-1205, 2018.
Article in Chinese | WPRIM | ID: wpr-738123

ABSTRACT

Objective: To prospectively explore the association between tea drinking and incidence of stroke of adults of Zhejiang province. Methods: After excluding participants with heart disease, stroke, cancer and diabetes at baseline study, 53 916 participants aged 30-79 years in the China Kadoorie Biobank (CKB) study from Tongxiang were included for final analysis. Cox regression model was used to estimate the hazard ratio (HR) for the association of tea drinking with incident stroke. Results: The main type of drinking tea was black tea (79.78%), followed by green tea (20.08%). Of the 53 916 participants, the proportion of participants who drank tea at least once per week was 31.27%. The corresponding proportions for men and women were 60.24% and 10.30%, respectively. Among 391 512 person-years of the follow-up program (median 7.26 years), a total of 1 487 men and 1 769 women were diagnosed with stroke. After adjusting for socio-demographic status, lifestyle, BMI, waist circumference, and systolic blood pressure, HR for incident stroke decreased with the increase of daily average tea consumption amount (P=0.000 6). Compared with participants who did not drink tea weekly, the HRs for incident stroke in those consuming tea 0.1-, 3.0- and ≥5.0 g/d were 0.93 (95%CI: 0.85-1.00), 0.88 (95%CI: 0.77-0.99) and 0.79 (95%CI: 0.69-0.89), respectively. The HRs for incident stroke in smokers and non-smokers who consumed tea ≥5.0 g/d were 0.71 (95%CI: 0.59-0.86) and 0.97 (95%CI: 0.77-1.21), respectively, compared with current smokers and non-smokers who did not drink tea weekly (P=0.040 0). The corresponding HRs for alcohol drinkers and non-drinkers were 0.96 (95%CI: 0.76-1.22) and 0.70 (95%CI: 0.58-0.84), respectively (P=0.040 0). The corresponding HRs for central obese persons and non-central obese persons were 0.60 (95%CI: 0.44-0.81) and 0.86 (95%CI: 0.73-1.01), respectively (P=0.040 0). Conclusion: Tea drinking had an effect on reducing the possibility of incident stroke, especially among those who were current smokers, non-alcohol drinkers and central obese.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , China/epidemiology , Prospective Studies , Risk Assessment/methods , Risk Factors , Stroke/ethnology , Tea/adverse effects
10.
Chinese Journal of Epidemiology ; (12): 1249-1254, 2018.
Article in Chinese | WPRIM | ID: wpr-738132

ABSTRACT

Objective: To estimate the health-adjusted life expectancy (HALE) of adults in Zhejiang province and evaluate the health status of the adults. Methods: This study was based on the mortality data collected from Zhejiang Chronic Disease Surveillance Information and Management System, and mortality rates from the underreporting survey and self-reported health data in 2016. Hierarchical Ordered Probit (HOPIT) model was used to estimate the severity-weighted prevalence of disability. Sullivan's method was used to calculate the HALE. Results: After adjustment by HOPIT model, the severity-weighted prevalence of disability increased significantly with age (χ(2)=5 795.81,P<0.001), and it was higher in females than in males (χ(2)=5 353.27, P<0.001). The life expectancy and self-evaluated HALE were 59.08 years and 48.68 years, respectively, in those aged ≥20 years, the difference was 10.40 years due to disability. The proportion of HALE loss due to disability in the total life expectancy was 17.61%, and it increased with age. HALE was higher in males than in females (49.21 years vs. 48.14 years), and in urban residents than in rural residents (49.92 years vs. 47.43 years). Conclusion: The proportion of loss of HALE in the total life expectancy in adults was high in Zhejiang, and it higher in males than in females, in urban residents than rural residents. Programs on improving health care in women and rural residents should be promoted.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , China/epidemiology , Chronic Disease/epidemiology , Disabled Persons/statistics & numerical data , Health Status , Life Expectancy/ethnology , Prevalence , Sex Distribution
11.
Chinese Journal of Epidemiology ; (12): 1387-1393, 2018.
Article in Chinese | WPRIM | ID: wpr-738157

ABSTRACT

Objective: To explore the influencing factors related to thyroid carcinoma. Methods: Matched by sex, age and original residential areas, 659 pairs of cases and controls were recruited and studied. Methods including both single factor analysis and multivariate conditional logistic regression analysis were carried out to identify the influencing factors. Results: Multivariate conditional logistic regression analysis showed that higher education, being diabetic, alcohol intake, tea drinking, occupational physical activity and the frequency of eating fishes/eggs etc., were potentially protective to thyroid carcinoma. Depression, personal history of CT examination and less salt intake seemed to be risk factors on thyroid carcinoma. For males, factors as alcohol intake, tea drinking, occupational physical activity and frequent egg-eating appeared protective. For females, higher education, diabetes, tea drinking, occupational physical activity, frequent consumption of fishes/eggs, short duration of menstruation appeared as possibly protective. Conclusion: Higher education, diabetes, alcohol intake, tea drinking, occupational physical activity, frequent consumption of fishes/eggs, depression, personal history of CT examination and less salt intake served as potential influencing factors to thyroid carcinoma.


Subject(s)
Animals , Female , Male , Alcohol Drinking , Case-Control Studies , China/epidemiology , Feeding Behavior , Risk Factors , Tea , Thyroid Neoplasms/etiology
12.
Article in English | WPRIM | ID: wpr-1003317

ABSTRACT

The experiments on white Wistar rats have shown that Cimicifuga dahurica (TURCZ) Maxim. tincture and Schizonepeta multifi da (L.)Briq. extract have anxiolytic effect. Cimicifuga dahurica tincture stimulates exploratory activity of animals in the open fi eld test increasing the number of rearings and entries in the central area of the open fi eld and decreasing the number of boles and grooming acts. The Schizonepeta multifi da dry extract in the range of 50 to 300 mg/kg increases the number of water intake in the Vogel confl ict test. The effi cacy of the tested remedies – Cimicifuga dahurica tincture (at the doses of 0.5 and 1.0 ml/kg) and Schizonepeta multifi da extract (in the range of 100-300 mg/ kg) was higher on some parameters than that of valerian preparations. Key words: anxiolytic effect, Cimicifuga dahurica (TURCZ) Maxim. tincture, Schizonepetam multifi da (L.) Briq. extract. Introduction The development of medicinal remedies for the correction of functional impairments of the nervous system is important due to the prevalence of neuro-psychic diseases. At the same time, widely used anxiolytics negatively affect the human body causing hyper-sedation, myorelaxation, etc. [1, 3, 8]. Therefore, the plant remedies which have few side effects are prospective for pharmacological correction of the nervous system disturbances as alternative therapy or auxiliary remedy for increasing the effi cacy of receptor preparations [2, 5]. In this context the perennial plants Cimicifuga dahurica (TURCZ) Maxim. and Schizonepeta multifi da (L.) Briq. used in folk medicine as sedatives and for headaches are of great interest in the therapy of anxiety disorders [6, 7]. The aim of the study was to evaluate the infl uence of Cimicifuga dahurica tincture and Schizonepeta multifi da dry extract on the behavior of white rats in test systems characterizing anxiolytic effect of the medicinal remedy.

13.
Article in Malayalam | WPRIM | ID: wpr-629551

ABSTRACT

OBJECTIVE: To evaluate the range of activation changes of polymorphonuclear leukocytes (PMN) and the ratio of apoptosis and necrosis in synovial effusions of patients with various arthropathies, and to reveal possible correlations with clinical variants of joint inflammation. METHODS: Synovial effusions were aspirated from the knee joints of patients with rheumatoid arthritis (RA, 28 cases), and seronegative spondyloarthritides (SSA): Reiter's disease (RD, 9 cases), peripheral form of the ankylosing spondyloarthritis (6 cases) and psoriatic arthritis (6 cases); and primary osteoarthritis (OA, 9 cases). Cytospin preparations were processed for transmission electron microscopy and assessed for the incidence of apoptosis, necrosis, and cytophagocytic cells (CPC) in the synovial fluid (SF). The range of activation changes of the neutrophil granulocytes, the dominating cell population in the arthritic SF, was evaluated. RESULTS: In all arthropathies under investigation most of the synovial effusion cells had intact ultrastructure with a certain amount of apoptotic cells dominating over the cells with signs of necrosis, and a few CPC. The highest rate of apoptosis was discovered in the synovial effusions of patients with RA, the lowest in those with OA, while the rate of CPC among the inflammatory joint diseases was the lowest in RA. In RA the current disease activity correlated with the incidence of apoptotic cells and CPC, while the clinical stage was related only to the CPC rate. These data suggest that in RA, despite exposure to the anti-apoptotic signals, apoptosis of the synovial effusion PMN is maintained at a significantly higher level than in non-rheumatoid arthropathies, both inflammatory (SSA) and degenerative (OA), providing elimination of the neutrophils accumulating in the joint cavity and thus stimulating resolution of the joint inflammation.


Subject(s)
Arthritis, Rheumatoid , Apoptosis , Osteoarthritis , Neutrophils
14.
Article in Malayalam | WPRIM | ID: wpr-629568

ABSTRACT

OBJECTIVE: To determine in situ using TEM the balance of apoptosis and necrosis in the articular cartilage of patients with inflammatory (rheumatoid arthritis and seronegative spondyloarthritis) and degenerative (osteoarthritis) joint diseases and to establish possible correlation between the cell death rate and the matrix vesicles formation. METHODS: Cartilage samples of the knee joint were obtained from patients with rheumatoid arthritis (RA, 18 cases), osteoarthritis (OA, 22 cases), Reiter's disease (RD, 9 cases), peripheral form of the ankylosing spondyloarthritis (AS, 6 cases) and psoriatic arthritis (PA, 6 cases) during arthroscopy or knee surgery. Normal samples taken from autopsy cases without a history of joint diseases were used as control. Samples were processed for TEM with subsequent semi-quantitative estimation of the cell death rate in the superficial, middle and deep zone of non-calcified articular cartilage, and computer-aided ultramorphometric evaluation of the matrix vesicles of different types. RESULTS: Both apoptotic and necrotic cell death could be identified in the cartilage of patients with inflammatory joint diseases, including seronegative spondyloarthritides and degenerative arthropathies. Apoptosis dominated over necrosis in all examined arthritides, including RA patients in which necrosis of the chondrocyte was the most frequent among arthropathies, while the highest apoptotic cell death rate was discovered in OA in which it correlated with the volume and numeric density of the matrix vesicles. These data provide evidence that apoptosis may contribute to the cartilage breakdown not only in RA and OA but also in the seronegative spondyloarthritides, which had a significantly higher apoptotic rate than the normal cartilage.


Subject(s)
Cell Death , Osteoarthritis , Arthritis, Rheumatoid , Cartilage, Articular , Chondrocytes
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