Cardiovascular diseases are the leading cause of death in the world and scientists pay a lot of attention to identify and reveal the mechanisms of their occurrence. Recently, the attention of scientists is focused increasingly on plant derivatives, such as flavonoids and polyphenols, due to their specific biological effects. One of these compounds is curcumin, which has many biological properties. Numerous studies have been performed to understand the molecular basis of the therapeutic properties of curcumin. As a result of these studies, there is considerable evidence to suggest that curcumin may affect signaling pathways associated with the cell growth, proliferation, survival, inflammation, and gene transcription. Antioxidant and antiinflammatory mechanisms are the two basic mechanisms to which many of the effects of curcumin in various conditions are attributed. Many factors influence the development of heart disease, but one of the main culprits in their occurrence is the inflammatory process. According to recent research, curcumin is an ingredient that could be used in the prevention or treatment of cardiovascular disease. Also, some studies have shown that it has beneficial effects in preventing vascular damage and ischemia. Despite its beneficial and biological properties, it has been proven that curcumin has relatively low bioavailability and low stability in the human body, which limits its therapeutic application. In this regard, several attempts have been made to synthesize curcumin derivatives with improved bioavailability. In this paper, we review the potential and possibilities of using curcumin and its derivatives in the treatment of cardiovascular disease, which would significantly reduce the mortality rate in the population. Based on all of the above, it can be concluded that further studies of animal models and humans are needed to verify current knowledge about the application of curcumin and its derivatives in the treatment of cardiovascular diseases. In this way through these studies more reliable data will be generated concerning the effects of curcumin and its analogs on cellular and subcellular/molecular levels. Prospectively, we believe that this will ground the basis for further improved synthesis of curcumin-analogs, appropriate for the treatment of cardiovascular diseases.
This study aimed to evaluate the cardioprotective effects of L-2-oxothiazolidine-4-carboxylate (OTC) against isoproterenol (ISO)-induced acute myocardial infarction (MI) in rats. Results demonstrated that OTC treatments inhibited ISO-induced oxidative damage, suppressed lipid peroxidation, and increased superoxide dismutase and catalase activity in the hearts of the treated rats compared to those of the untreated controls. The ISO-related NF-κB activation was reduced due to the OTC treatment, and lower degrees of inflammatory cell infiltration and necrosis in the hearts were observed. In summary, OTC treatments exerted cardioprotective effects against MI in vivo, mainly due to enhancing cardiac antioxidant activity.
BACKGROUND: Splenic inflammatory pseudotumor (IPT)/inflammatory myofibroblastic tumor (IMT) is a rare pseudotumor/tumor of unknown origin, which is usually benign, although atypical and aggressive cases have been reported. It is a lesion composed of proliferated myofibroblastic cells (hence IMT by some authors) with admixed pleomorphic inflammatory cells of varying proportions. CASE REPORT: Herein, we report a case of 61-year-old male patient with ill-defined abdominal discomfort and no other symptoms and signs. Clinical and imaging investigations revealed a mass in the spleen that was equivocally interpreted as secondary neoplasm, although primary neoplasm of the spleen was not excluded by the radiologists. Splenectomy was performed and on gross examination a well demarcated greyish-livid tumor measuring 3.5 cm × 3 cm × 3 cm was discovered. Microscopic examination showed proliferation of loosely arranged spindle cells admixed with inflammatory cells (histiocytes, lymphocytes, neutrophils, eosinophils, occasional plasma cells, and/or plasmacytoid cells) with varying density and multifocal clustering, multifocal hemorrhage, and fibrinoid-like deposition. We performed additional histochemical and immunohistochemical stainings which were consistent with the diagnosis of IPT/IMT. Next-generation sequencing (TruSight Tumor 15) showed common TP53 polymorphism (c.215C>G; p.Pro72Arg) along with several intronic and synonymous single nucleotide variations (SNVs), as well as five low confidence missense SNVs. Sixteen months after the operation the patient has uneventful follow-up. CONCLUSION: Although the incidence of IPT/IMT is low, awareness of its existence is necessary. The prognosis is favorable following splenectomy in most cases. Careful microscopic examination of the specimen is mandatory, due to possible misdiagnosis. We believe that extensive NGS analysis on archive samples would provide more data about the spectrum of possible genetic changes in lesions like IPM/IMT.
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