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The main objective of this paper is to problematize writings on vehicles in an Iranian context. Previous studies have indicated that vehicle stickers can be employed to express emotions and social status, political views, ideology and identity, and religious beliefs. However, very little has been done on this discursive practice in Iran. This study is the result of the content analysis of 122 vehicle writings collected from April 2011 to March 2012. This paper will draw on six of the most frequent themes: religion, humor, playing pessimism, didactic expressions, ethnic-geographic identification, and love. Employing Bourdieu's conceptual frameworks of “habitus,” “field,” and “doxa,” and Heath and Street's social practice perspective on literacy, it will be argued that vehicle writings in this study can be regarded as situated literacy practices reflecting the dominant undisputed discourses in the context, but at the same time displaying the dynamic interplay of power relations, the relationship of cultural structures and individual customized versions of those structures in vehicle writings.

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Nervous inflammation is an important component of the pathogenesis of neurodegenerative diseases including chronic diabetic neuropathic pain. In order to obtain a decrease in the progression of diabetic neuronal damage, it may be necessary to examine therapeutic options that involve antioxidants and anti-inflammatory agents. The aim of this study was to investigate the attenuation of inflammatory factors with endurance training in the spinal cord of rats with neuropathic pain. Thirty-two 8-week-old male Wistar rats (with a weight range of 204 ± 11.3 g) were randomly divided into 4 groups (n = 8), including (1) diabetic neuropathy (50 mg/kg streptozotocin intraperitoneal injection), (2) diabetic neuropathy training (30 minutes of endurance training at 15 meters per minute, 5 days a week for 6 weeks), (3) healthy training, and (4) healthy control. After confirmation of diabetic neuropathy by behavioral tests, training protocol and supplementation were performed. The NLRP3, P38 MAPK, TNF-α, and IL-1β gene expressions were measured by a real-time technique in the spinal cord tissue. One-way analysis of variance and Tukey's post hoc test were used for statistical analysis. Endurance training reduced the sensitivity of the nervous system to thermal hyperalgesia and mechanical allodynia; also, compared to the diabetic neuropathy group, the gene expressions of NLTP3, P38 MAPK, TNF-α, and IL-1β were significantly reduced by endurance training ( P < 0.05 ). Endurance training modulates NLRP3, P38 MAPK, and TNF-α, IL-1β gene expressions and improves the sensitivity of nociceptors to pain factors. Accordingly, it is recommended to use endurance training to reduce neuropathic pain for diabetics.

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