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1.
Article de Anglais | WPRIM | ID: wpr-1041515

RÉSUMÉ

Purpose@#The isocitrate dehydrogenase (IDH) family plays an essential role in metabolism and energy production. The relative expression levels of IDH isoforms (IDH1, IDH2, and IDH3) have prognostic significance in several malignancies, including breast carcinoma. However, the IDH isozyme expression levels in different cancer stages and types have not been determined in breast carcinoma tissues. @*Methods@#We analyzed the messenger RNA (mRNA) and protein levels of IDH (IDH1, IDH2, and IDH3A) and α-ketoglutarate (α-KG) in 59 breast carcinoma tissues. @*Results@#The mRNA level of IDH2 was significantly increased at stages 2 and 3 in triple-negative and (ER-/PR-/HER+) breast cancers. However, the elevated α-KG level was only observed in stages 2 and 3, with no differences in the various breast carcinoma types. Western blotting analysis showed that IDH2 protein expression increased in the patient tissues and cell lines. An in vitro study showed IDH2 downregulation in the triple-negative breast cancer cell line MDA-MB-231 that inhibited cell proliferation and migration and induced cell cycle arrest in the G0/G1 phase. @*Conclusion@#These findings suggest that different from IDH1 and IDH3, IDH2 is more highly expressed in stages 2 and 3 breast cancer tissues, especially in triple-negative breast cancer. IDH2 potentially serves as a target to detect unknown mechanisms in breast cancer.

2.
Article de Coréen | WPRIM | ID: wpr-891877

RÉSUMÉ

Purpose@#The purpose of this study was to identify the influence of health literacy and insight on medication adherence in mental illness. @*Methods@#A cross-sectional, descriptive correlational study design was used. Participants were 135 adults diagnosed with mental disorders and living in D city. Collected data were analyzed using descriptive statistics, t-test, ANOVA, Pearson’s correlation, and hierarchical multiple regression with SPSS 26.0. @*Results@#On multiple regression analysis, clinical insight (β=.32, p @*Conclusion@#In order to enhance medication adherence, strategies and programs are needed to improve the insight and health literacy among patients with severe mental illness.

3.
Article de Anglais | WPRIM | ID: wpr-896232

RÉSUMÉ

Arterial thrombosis and its associated diseases are considered to constitute a major healthcare problem. Arterial thrombosis, defined as blood clot formation in an artery that interrupts blood circulation, is associated with many cardiovascular diseases. Oxidative stress is one of many important factors that aggravates the pathophysiological process of arterial thrombosis. Apurinic/apyrimidinic endonuclease 1/redox factor-1 (Ref-1) has a multifunctional role in cells that includes the regulation of oxidative stress and anti-inflammatory function. The aim of this study was to investigate the therapeutic effect of adenovirus-mediated Ref-1 overexpression on arterial thrombosis induced by 60% FeCl3 solution in rats. Blood flow was measured to detect the time to occlusion, thrombus formation was detected by hematoxylin and eosin staining, reactive oxygen species (ROS) levels were detected by high-performance liquid chromatography, and the expression of tissue factor and other proteins was detected by Western blot. FeCl3 aggravated thrombus formation in carotid arteries and reduced the time to artery occlusion. Ref-1 significantly delayed arterial obstruction via the inhibition of thrombus formation, especially by downregulating tissue factor expression through the Akt-GSK3β-NF-κB signaling pathway. Ref-1 also reduced the expression of vascular inflammation markers ICAM-1 and VCAM-1, and reduced the level of ROS that contributed to thrombus formation. The results showed that adenovirus-mediated Ref-1 overexpression reduced thrombus formation in the rat carotid artery. In summary, Ref-1 overexpression had anti-thrombotic effects in a carotid artery thrombosis model and could be a target for the treatment of arterial thrombosis.

4.
Article de Coréen | WPRIM | ID: wpr-899581

RÉSUMÉ

Purpose@#The purpose of this study was to identify the influence of health literacy and insight on medication adherence in mental illness. @*Methods@#A cross-sectional, descriptive correlational study design was used. Participants were 135 adults diagnosed with mental disorders and living in D city. Collected data were analyzed using descriptive statistics, t-test, ANOVA, Pearson’s correlation, and hierarchical multiple regression with SPSS 26.0. @*Results@#On multiple regression analysis, clinical insight (β=.32, p @*Conclusion@#In order to enhance medication adherence, strategies and programs are needed to improve the insight and health literacy among patients with severe mental illness.

5.
Article de Anglais | WPRIM | ID: wpr-903936

RÉSUMÉ

Arterial thrombosis and its associated diseases are considered to constitute a major healthcare problem. Arterial thrombosis, defined as blood clot formation in an artery that interrupts blood circulation, is associated with many cardiovascular diseases. Oxidative stress is one of many important factors that aggravates the pathophysiological process of arterial thrombosis. Apurinic/apyrimidinic endonuclease 1/redox factor-1 (Ref-1) has a multifunctional role in cells that includes the regulation of oxidative stress and anti-inflammatory function. The aim of this study was to investigate the therapeutic effect of adenovirus-mediated Ref-1 overexpression on arterial thrombosis induced by 60% FeCl3 solution in rats. Blood flow was measured to detect the time to occlusion, thrombus formation was detected by hematoxylin and eosin staining, reactive oxygen species (ROS) levels were detected by high-performance liquid chromatography, and the expression of tissue factor and other proteins was detected by Western blot. FeCl3 aggravated thrombus formation in carotid arteries and reduced the time to artery occlusion. Ref-1 significantly delayed arterial obstruction via the inhibition of thrombus formation, especially by downregulating tissue factor expression through the Akt-GSK3β-NF-κB signaling pathway. Ref-1 also reduced the expression of vascular inflammation markers ICAM-1 and VCAM-1, and reduced the level of ROS that contributed to thrombus formation. The results showed that adenovirus-mediated Ref-1 overexpression reduced thrombus formation in the rat carotid artery. In summary, Ref-1 overexpression had anti-thrombotic effects in a carotid artery thrombosis model and could be a target for the treatment of arterial thrombosis.

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