1.Rosuvastatin activates autophagy via inhibition of the Akt/mTOR axis in vascular smooth muscle cells
Seongpyo LEE ; Do-Hyung LEE ; Jin-Pyo LEE ; Joo-Hui HAN
The Korean Journal of Physiology and Pharmacology 2025;29(1):117-126
The proliferation and migration of vascular smooth muscle cells (VSMCs) are key contributors to the development of atherosclerosis and restenosis. We investigated the impact of rosuvastatin (RSV) on platelet-derived growth factor (PDGF)-BB-induced proliferation and migration of VSMCs, with a focus on the Akt/mTORautophagy signaling pathways. The cytotoxicity of RSV was assessed using MTT and annexin V staining, while the proliferation and migration capabilities of PDGF-BBinduced VSMCs were evaluated using MTT and cell migration assays. Confocal microscopy was employed to examine autophagic cell images, and protein expressions were analyzed via Western blotting. Our key findings revealed that RSV inhibited PDGF-BB-induced proliferation and migration of VSMCs, significantly reducing the expression of proliferating cell nuclear antigen and matrix metalloproteinase-2, which are crucial for these processes. RSV also enhanced autophagy in PDGF-BBstimulated cells by inducing the maturation of microtubule-associated protein light chain 3 and increasing the expression of Beclin-1, autophagy related (Atg)3, Atg5, and Atg7. The regulatory effects of RSV on PDGF-BB-induced autophagy, proliferation, and migration were associated with the suppression of the Akt/mTOR signaling pathway. These findings suggest that RSV may have potential therapeutic benefits in preventing and treating vascular diseases by targeting the Akt/mTOR pathway and inducing autophagy.
2.Rosuvastatin activates autophagy via inhibition of the Akt/mTOR axis in vascular smooth muscle cells
Seongpyo LEE ; Do-Hyung LEE ; Jin-Pyo LEE ; Joo-Hui HAN
The Korean Journal of Physiology and Pharmacology 2025;29(1):117-126
The proliferation and migration of vascular smooth muscle cells (VSMCs) are key contributors to the development of atherosclerosis and restenosis. We investigated the impact of rosuvastatin (RSV) on platelet-derived growth factor (PDGF)-BB-induced proliferation and migration of VSMCs, with a focus on the Akt/mTORautophagy signaling pathways. The cytotoxicity of RSV was assessed using MTT and annexin V staining, while the proliferation and migration capabilities of PDGF-BBinduced VSMCs were evaluated using MTT and cell migration assays. Confocal microscopy was employed to examine autophagic cell images, and protein expressions were analyzed via Western blotting. Our key findings revealed that RSV inhibited PDGF-BB-induced proliferation and migration of VSMCs, significantly reducing the expression of proliferating cell nuclear antigen and matrix metalloproteinase-2, which are crucial for these processes. RSV also enhanced autophagy in PDGF-BBstimulated cells by inducing the maturation of microtubule-associated protein light chain 3 and increasing the expression of Beclin-1, autophagy related (Atg)3, Atg5, and Atg7. The regulatory effects of RSV on PDGF-BB-induced autophagy, proliferation, and migration were associated with the suppression of the Akt/mTOR signaling pathway. These findings suggest that RSV may have potential therapeutic benefits in preventing and treating vascular diseases by targeting the Akt/mTOR pathway and inducing autophagy.
3.Rosuvastatin activates autophagy via inhibition of the Akt/mTOR axis in vascular smooth muscle cells
Seongpyo LEE ; Do-Hyung LEE ; Jin-Pyo LEE ; Joo-Hui HAN
The Korean Journal of Physiology and Pharmacology 2025;29(1):117-126
The proliferation and migration of vascular smooth muscle cells (VSMCs) are key contributors to the development of atherosclerosis and restenosis. We investigated the impact of rosuvastatin (RSV) on platelet-derived growth factor (PDGF)-BB-induced proliferation and migration of VSMCs, with a focus on the Akt/mTORautophagy signaling pathways. The cytotoxicity of RSV was assessed using MTT and annexin V staining, while the proliferation and migration capabilities of PDGF-BBinduced VSMCs were evaluated using MTT and cell migration assays. Confocal microscopy was employed to examine autophagic cell images, and protein expressions were analyzed via Western blotting. Our key findings revealed that RSV inhibited PDGF-BB-induced proliferation and migration of VSMCs, significantly reducing the expression of proliferating cell nuclear antigen and matrix metalloproteinase-2, which are crucial for these processes. RSV also enhanced autophagy in PDGF-BBstimulated cells by inducing the maturation of microtubule-associated protein light chain 3 and increasing the expression of Beclin-1, autophagy related (Atg)3, Atg5, and Atg7. The regulatory effects of RSV on PDGF-BB-induced autophagy, proliferation, and migration were associated with the suppression of the Akt/mTOR signaling pathway. These findings suggest that RSV may have potential therapeutic benefits in preventing and treating vascular diseases by targeting the Akt/mTOR pathway and inducing autophagy.
4.Effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea: a quasi-experimental study
Sunmi KIM ; Young Ju JEONG ; Hee Sun KIM ; Seok Hee JEONG ; Eun Jee LEE
Journal of Korean Academy of Nursing 2025;55(1):137-151
Purpose:
This study investigated the effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea.
Methods:
A quasi-experimental study was conducted. The Practice-Driven Nursing Leadership Program for Students (PDNLP-S) was developed based on the ADDIE model (analysis, design, development, implementation, and evaluation). This quasi-experimental study design included 60 nursing students. The experimental group (n=30) participated in the PDNLP-S for 120-minute sessions over 5 weeks, while the control group (n=30) received usual lectures. The PDNLP-S included lectures, discussions, and individual and group activities to cultivate core nursing leadership competencies such as individual growth, collaboration, nursing excellence, creative problem-solving, and influence. Data were analyzed using descriptive statistics, the Mann-Whitney U-test, and the independent t-test with IBM SPSS Windows ver. 26.0.
Results:
The experimental group demonstrated significant improvements in self-leadership (t=3.28, p=.001), interpersonal relationships (t=3.07, p=.002), clinical performance (U=268.50, p=.004), and problem-solving abilities (t=2.20, p=.017) compared to the control group. No significant difference was observed in nursing professionalism (t=0.50, p=.311).
Conclusion
This study demonstrates that the PDNLP-S improved nursing students’ self-leadership, interpersonal relationships, clinical performance, and problem-solving abilities. The PDNLP-S can play a significant role in cultivating future nurse leaders by enhancing these nursing leadership competencies among nursing students.
5.Effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea: a quasi-experimental study
Sunmi KIM ; Young Ju JEONG ; Hee Sun KIM ; Seok Hee JEONG ; Eun Jee LEE
Journal of Korean Academy of Nursing 2025;55(1):137-151
Purpose:
This study investigated the effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea.
Methods:
A quasi-experimental study was conducted. The Practice-Driven Nursing Leadership Program for Students (PDNLP-S) was developed based on the ADDIE model (analysis, design, development, implementation, and evaluation). This quasi-experimental study design included 60 nursing students. The experimental group (n=30) participated in the PDNLP-S for 120-minute sessions over 5 weeks, while the control group (n=30) received usual lectures. The PDNLP-S included lectures, discussions, and individual and group activities to cultivate core nursing leadership competencies such as individual growth, collaboration, nursing excellence, creative problem-solving, and influence. Data were analyzed using descriptive statistics, the Mann-Whitney U-test, and the independent t-test with IBM SPSS Windows ver. 26.0.
Results:
The experimental group demonstrated significant improvements in self-leadership (t=3.28, p=.001), interpersonal relationships (t=3.07, p=.002), clinical performance (U=268.50, p=.004), and problem-solving abilities (t=2.20, p=.017) compared to the control group. No significant difference was observed in nursing professionalism (t=0.50, p=.311).
Conclusion
This study demonstrates that the PDNLP-S improved nursing students’ self-leadership, interpersonal relationships, clinical performance, and problem-solving abilities. The PDNLP-S can play a significant role in cultivating future nurse leaders by enhancing these nursing leadership competencies among nursing students.
6.Effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea: a quasi-experimental study
Sunmi KIM ; Young Ju JEONG ; Hee Sun KIM ; Seok Hee JEONG ; Eun Jee LEE
Journal of Korean Academy of Nursing 2025;55(1):137-151
Purpose:
This study investigated the effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea.
Methods:
A quasi-experimental study was conducted. The Practice-Driven Nursing Leadership Program for Students (PDNLP-S) was developed based on the ADDIE model (analysis, design, development, implementation, and evaluation). This quasi-experimental study design included 60 nursing students. The experimental group (n=30) participated in the PDNLP-S for 120-minute sessions over 5 weeks, while the control group (n=30) received usual lectures. The PDNLP-S included lectures, discussions, and individual and group activities to cultivate core nursing leadership competencies such as individual growth, collaboration, nursing excellence, creative problem-solving, and influence. Data were analyzed using descriptive statistics, the Mann-Whitney U-test, and the independent t-test with IBM SPSS Windows ver. 26.0.
Results:
The experimental group demonstrated significant improvements in self-leadership (t=3.28, p=.001), interpersonal relationships (t=3.07, p=.002), clinical performance (U=268.50, p=.004), and problem-solving abilities (t=2.20, p=.017) compared to the control group. No significant difference was observed in nursing professionalism (t=0.50, p=.311).
Conclusion
This study demonstrates that the PDNLP-S improved nursing students’ self-leadership, interpersonal relationships, clinical performance, and problem-solving abilities. The PDNLP-S can play a significant role in cultivating future nurse leaders by enhancing these nursing leadership competencies among nursing students.
7.Rosuvastatin activates autophagy via inhibition of the Akt/mTOR axis in vascular smooth muscle cells
Seongpyo LEE ; Do-Hyung LEE ; Jin-Pyo LEE ; Joo-Hui HAN
The Korean Journal of Physiology and Pharmacology 2025;29(1):117-126
The proliferation and migration of vascular smooth muscle cells (VSMCs) are key contributors to the development of atherosclerosis and restenosis. We investigated the impact of rosuvastatin (RSV) on platelet-derived growth factor (PDGF)-BB-induced proliferation and migration of VSMCs, with a focus on the Akt/mTORautophagy signaling pathways. The cytotoxicity of RSV was assessed using MTT and annexin V staining, while the proliferation and migration capabilities of PDGF-BBinduced VSMCs were evaluated using MTT and cell migration assays. Confocal microscopy was employed to examine autophagic cell images, and protein expressions were analyzed via Western blotting. Our key findings revealed that RSV inhibited PDGF-BB-induced proliferation and migration of VSMCs, significantly reducing the expression of proliferating cell nuclear antigen and matrix metalloproteinase-2, which are crucial for these processes. RSV also enhanced autophagy in PDGF-BBstimulated cells by inducing the maturation of microtubule-associated protein light chain 3 and increasing the expression of Beclin-1, autophagy related (Atg)3, Atg5, and Atg7. The regulatory effects of RSV on PDGF-BB-induced autophagy, proliferation, and migration were associated with the suppression of the Akt/mTOR signaling pathway. These findings suggest that RSV may have potential therapeutic benefits in preventing and treating vascular diseases by targeting the Akt/mTOR pathway and inducing autophagy.
8.Effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea: a quasi-experimental study
Sunmi KIM ; Young Ju JEONG ; Hee Sun KIM ; Seok Hee JEONG ; Eun Jee LEE
Journal of Korean Academy of Nursing 2025;55(1):137-151
Purpose:
This study investigated the effects of a nursing leadership program on self-leadership, interpersonal relationships, clinical performance, problem-solving abilities, and nursing professionalism among nursing students in South Korea.
Methods:
A quasi-experimental study was conducted. The Practice-Driven Nursing Leadership Program for Students (PDNLP-S) was developed based on the ADDIE model (analysis, design, development, implementation, and evaluation). This quasi-experimental study design included 60 nursing students. The experimental group (n=30) participated in the PDNLP-S for 120-minute sessions over 5 weeks, while the control group (n=30) received usual lectures. The PDNLP-S included lectures, discussions, and individual and group activities to cultivate core nursing leadership competencies such as individual growth, collaboration, nursing excellence, creative problem-solving, and influence. Data were analyzed using descriptive statistics, the Mann-Whitney U-test, and the independent t-test with IBM SPSS Windows ver. 26.0.
Results:
The experimental group demonstrated significant improvements in self-leadership (t=3.28, p=.001), interpersonal relationships (t=3.07, p=.002), clinical performance (U=268.50, p=.004), and problem-solving abilities (t=2.20, p=.017) compared to the control group. No significant difference was observed in nursing professionalism (t=0.50, p=.311).
Conclusion
This study demonstrates that the PDNLP-S improved nursing students’ self-leadership, interpersonal relationships, clinical performance, and problem-solving abilities. The PDNLP-S can play a significant role in cultivating future nurse leaders by enhancing these nursing leadership competencies among nursing students.
9.Rosuvastatin activates autophagy via inhibition of the Akt/mTOR axis in vascular smooth muscle cells
Seongpyo LEE ; Do-Hyung LEE ; Jin-Pyo LEE ; Joo-Hui HAN
The Korean Journal of Physiology and Pharmacology 2025;29(1):117-126
The proliferation and migration of vascular smooth muscle cells (VSMCs) are key contributors to the development of atherosclerosis and restenosis. We investigated the impact of rosuvastatin (RSV) on platelet-derived growth factor (PDGF)-BB-induced proliferation and migration of VSMCs, with a focus on the Akt/mTORautophagy signaling pathways. The cytotoxicity of RSV was assessed using MTT and annexin V staining, while the proliferation and migration capabilities of PDGF-BBinduced VSMCs were evaluated using MTT and cell migration assays. Confocal microscopy was employed to examine autophagic cell images, and protein expressions were analyzed via Western blotting. Our key findings revealed that RSV inhibited PDGF-BB-induced proliferation and migration of VSMCs, significantly reducing the expression of proliferating cell nuclear antigen and matrix metalloproteinase-2, which are crucial for these processes. RSV also enhanced autophagy in PDGF-BBstimulated cells by inducing the maturation of microtubule-associated protein light chain 3 and increasing the expression of Beclin-1, autophagy related (Atg)3, Atg5, and Atg7. The regulatory effects of RSV on PDGF-BB-induced autophagy, proliferation, and migration were associated with the suppression of the Akt/mTOR signaling pathway. These findings suggest that RSV may have potential therapeutic benefits in preventing and treating vascular diseases by targeting the Akt/mTOR pathway and inducing autophagy.
10.Robinetin Alleviates Metabolic Failure in Liver through Suppression of p300–CD38 Axis
Ji-Hye SONG ; Hyo-Jin KIM ; Jangho LEE ; Seung-Pyo HONG ; Min-Yu CHUNG ; Yu-Geun LEE ; Jae Ho PARK ; Hyo-Kyoung CHOI ; Jin-Taek HWANG
Biomolecules & Therapeutics 2024;32(2):214-223
Metabolic abnormalities in the liver are closely associated with diverse metabolic diseases such as non-alcoholic fatty liver disease, type 2 diabetes, and obesity. The aim of this study was to evaluate the ameliorating effect of robinetin (RBN) on the significant pathogenic features of metabolic failure in the liver and to identify the underlying molecular mechanism. RBN significantly decreased triglyceride (TG) accumulation by downregulating lipogenesis-related transcription factors in AML-12 murine hepatocyte cell line. In addition, mice fed with Western diet (WD) containing 0.025% or 0.05% RBN showed reduced liver mass and lipid droplet size, as well as improved plasma insulin levels and homeostatic model assessment of insulin resistance (HOMA-IR) values.CD38 was identified as a target of RBN using the BioAssay database, and its expression was increased in OPA-treated AML-12 cells and liver tissues of WD-fed mice. Furthermore, RBN elicited these effects through its anti-histone acetyltransferase (HAT) activity. Computational simulation revealed that RBN can dock into the HAT domain pocket of p300, a histone acetyltransferase, which leads to the abrogation of its catalytic activity. Additionally, knock-down of p300 using siRNA reduced CD38 expression.The chromatin immunoprecipitation (ChIP) assay showed that p300 occupancy on the promoter region of CD38 was significantly decreased, and H3K9 acetylation levels were diminished in lipid-accumulated AML-12 cells treated with RBN. RBN improves the pathogenic features of metabolic failure by suppressing the p300–CD38 axis through its anti-HAT activity, which suggests that RBN can be used as a new phytoceutical candidate for preventing or improving this condition.

Result Analysis
Print
Save
E-mail