background: rheumatoid arthritis is a type of inflammatory pain and is an autoimmune and chronic inflammatory disease which can lead to hyperalgesia, edema and decreased motor activity in affected area. mesenchymal stem cells conditioned medium (msc-cm) has anti-inflammatory mediators which can regulate the immune responses, alleviate inflammatory symptoms and has a paracrine effects too. the a...

Naturally occurring substances mentioned in medieval medical literatures currently have, and will continue to have, a crucial place in drug discovery. Avicenna was a Persian physician who is known as the most influential medical writers in the Middle ages. Avicenna`s Canon of Medicine, the most famous books in the history of medicine, presents a clear and organized summary of all the medical kn...

Objective(s): Osteoarthritis (OA), characterized by degradation of articular cartilage, is a leading cause of disability. As the only cell type present in cartilage, chondrocytes play curial roles in the progression of OA. In our study, we aimed to explore the roles of miR-23b in the lipopolysaccharide (LPS)-induced inflammatory injury. Materials and Methods: LPS-induced cell injury of ATDC5 ce...

Background: Leishmania is a significant health problem in many parts of the world. Tumor necrosis factor (TNF) plays an essential role in Leishmania major infections. Objective: To study the pro-inflammatory cytokines and antioxidants in four groups of cutaneous leishmaniasis patients. Methods: 39 patients were divided into four groups of: 1) active (acute phase of treatment); 2) non-healing (r...

topical retinoids are considered as the first line therapy in the treatment of acne vulgaris, but they are associated with cutaneous irritation. in this study, isotretinoin-loaded solid lipid nanoparticles(it-sln) were prepared to treat the mild to moderate acne. also using it-sln would minimize it adverse effects in comparison to commercial product, isotrex®. this study was conducted to prepar...

objective: pain control in dentistry especially endodontics is particularly important. endodontic pain following root canal therapy (rct) of vital teeth is closely correlated with inflammatory reactions. increased level of prostaglandins has been reported in acute inflammatory reactions. thus, cyclooxygenase-inhibiting drugs have a significant effect on reducing pain and inflammation. cox enzym...

depression is a mental disorder that results from changes in the central nervous system (cns) that may result from immunological abnormalities. according to the world health organization, major depression will become the leading cause of disability worldwide. accumulating evidence has indicated the existence of reciprocal communication pathways between nervous, endocrine and immune systems. the...