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To investigate the molecular mechanisms of CCL13/monocyte chemoattractant protein 4 (MCP-4) chemokine expression through proinflammatory cytokines in different primary human fibroblasts and the contribution of CCL13 to monocyte migration.', 'Using RNase protection assays and enzyme-linked immunosorbent assays, we quantified the expression of CCL13 compared with that of CCL2/MCP-1 in primary human fibroblasts. Boyden chamber assays were performed to determine the importance of CCL13 for migration of primary monocytes. Pharmacologic inhibitors as well as small interfering RNA knockdown approaches were used to investigate the signaling pathways regulating CCL13 expression.', 'The interleukin-6 (IL-6)-type cytokine oncostatin M (OSM) was a powerful inducer of CCL13 expression in primary synovial fibroblasts from patients with rheumatoid arthritis (RA) as well as those from healthy control subjects but not in other types of fibroblasts. Neither IL-6 nor tumor necrosis factor alpha could stimulate the expression of CCL13 in synovial fibroblasts; IL-1beta was a very weak inducer. Synovial fibroblasts from patients with RA constitutively produced low amounts of CCL13, which was partially dependent on constitutive production of OSM. By investigating the underlying molecular mechanism, we identified STAT-5, ERK-1/2, and p38 as critical factors involved in OSM-dependent transcription and messenger RNA stabilization of CCL13.
Does induction of CCL13 expression in synovial fibroblasts highlight a significant role of oncostatin M in rheumatoid arthritis?

Physical activity is beneficial for cancer survivors, but exercise participation is low in this population. It is therefore important to understand the psychological factors underlying exercise uptake so that more effective interventions can be developed. Social-cognitive theory constructs such as outcome expectancies predict exercise behavior, but self-report measures have several limitations. We examined the associations between implicit (automatic) cognitions and exercise behavior and self-efficacy in endometrial cancer survivors.', 'This was a longitudinal study to examine predictors of exercise behavior in female endometrial cancer survivors who all received an exercise intervention. Participants (N = 100, mean age of 57.0) completed questionnaires to assess self-report exercise-related measures (outcome expectancy and attitudes about and identification with exercise) and reaction time (RT) tasks to assess implicit exercise cognitions (expectancy accessibility, implicit attitudes about exercise, and implicit self-identification with exercise) at baseline and at 2, 4, and 6 months at follow-up. Exercise behavior was measured using accelerometers and self-report. Data were analyzed using linear mixed models.', 'Expectancy accessibility was associated with exercise duration independent of the corresponding self-report measure. Exercise implicit attitudes and self-identification were prospectively associated with exercise self-efficacy only after adjustment for the corresponding self-report measures and baseline self-efficacy. Self-report measures were also associated with study outcomes.
Are self-reported and automatic cognitions associated with exercise behavior in cancer survivors?

To assess the association between the intake of dietary fibre and carotid intima-media thickness (IMT) in a Mediterranean population at high cardiovascular risk.', 'Baseline cross-sectional assessment of 457 men and women (average age 67 years) from two different Spanish centres of the PREDIMED trial. A previously validated food frequency questionnaire (137 food items) was administered by trained dieticians in a face-to-face interview. Mean common carotid IMT was measured using B-mode ultrasound imaging of the right and left carotid arteries by four certified sonographers who used a common protocol. Anthropometric and blood pressure measurements were performed and samples of fasting blood were obtained. Participants were categorized into four groups (roughly quartiles: < or =21; >21 to < or =25; >25 to < or =31 and >31 g/day) of energy-adjusted intake of dietary fibre. Multiple linear regression models were used to adjust for age, sex, centre, smoking, body mass index, diabetes, blood pressure, lipid levels and statin use.', 'In the crude analyses, energy-adjusted fibre intake showed a significant inverse correlation with IMT (r=-0.27, P<0.001). In multivariate analyses, a modest, though statistically significant (P=0.03) inverse association between energy-adjusted fibre intake and IMT was also found. The multivariate-adjusted difference in average IMT was -0.051 mm (95% confidence interval: -0.094 to-0.009, P=0.02) for participants whose intake was >35 g/day, (n=47) when compared with those whose intake was <25 g/day (n=224).

Is dietary fibre intake inversely associated with carotid intima-media thickness : a cross-sectional assessment in the PREDIMED study?