1.Influence of self-esteem, alexithymia and alienation on non-suicidal self-injury behaviors in adolescents
Chunxing XU ; Hongzheng LI ; Yongcai MENG ; Yuqing ZHANG ; Meng LI ; Yaomu ZHANG ; Yaqin WANG
Sichuan Mental Health 2025;38(1):65-70
BackgroundIn recent years, the incidence of non-suicidal self-injury (NSSI) behaviors among adolescents has been increasing annually. Self-esteem and alexithymia are strongly associated with NSSI behaviors, and alienation is closely linked to both self-esteem and alexithymia. However, there is limited research on the relationship between alienation and NSSI behaviors among adolescents in China. ObjectiveTo analyze the relationship between alienation and NSSI behaviors among adolescents, and to explore the factors influencing NSSI behaviors in this population, so as to provide insights for the prevention and treatment of NSSI behaviors in adolescents. MethodsAdolescents admitted to the Department of Psychiatry and Psychology at the 923rd Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army from September 1, 2021 to March 1, 2023, who met the diagnostic criteria for NSSI in the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5), were selected as the study group (n=60). Concurrently, middle school students from Nanning were recruited as the control group (n=60). Participants were assessed using Adolescent Self Harm Scale (ASHS), Rosenberg Self-Esteem Scale (RSES), Toronto Alexithymia Scale (TAS) and Adolescent Students′ Alienation Scale (ASAS). Pearson correlation analysis was employed to examine the relationships between scale scores in the study group, and Logistic regression analysis was used to identify the influencing factors of NSSI behaviors among adolescents. ResultsThe RSES score of the study group was significantly lower than that of the control group (t=-7.033, P<0.01). The TAS and ASAS scores of the study group were significantly higher than those of the control group (t=5.591, 8.124, P<0.01). The ASHS score was negatively correlated with RSES score (r=-0.410, P<0.01) and positively correlated with ASAS score (r=0.555, P<0.01). The RSES scores of the study group were negatively correlated with TAS and ASAS scores (r=-0.317, -0.590, P<0.05 or 0.01). Logistic regression analysis showed that being female (OR=0.714, 95% CI: 0.042~0.709) was a protective factor for NSSI behaviors among adolescents, while high alienation (OR=1.028, 95% CI: 1.013~1.043) and residing in rural areas (OR=6.692, 95% CI: 2.038~21.967) were risk factors for NSSI behaviors among adolescents. ConclusionAlienation was positively correlated with NSSI behaviors in adolescents. Female adolescents had a lower risk of NSSI behaviors, while those with higher levels of alienation or residing in rural areas were more prone to NSSI behaviors. [Funded by Self-financed Scientific Research Project of the Health Commission of Guangxi Zhuang Autonomous Region (number, Z20210656); Self-financed Scientific Research Project of the Health Commission of Guangxi Zhuang Autonomous Region (number, Z-A20231057)]
2.Mechanism of Ethoxysanguinarine in Regulating IRE1/RIDD Signaling Pathway to Inhibit Endoplasmic Reticulum Stress and Alleviate Cardiomyocyte Apoptosis
Zucheng SHANG ; Hongzheng LI ; Mengfan LI ; Wen SUN ; Guosheng LIN ; Aling SHEN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):141-148
ObjectiveTo investigate the effects of ethoxysanguinarine (ETH) on angiotensin Ⅱ (Ang Ⅱ)-mediated cardiomyocyte apoptosis and its regulatory effects of inositol-requiring enzyme 1 (IRE1)/regulated IRE1-dependent decay (RIDD) signaling pathway and endoplasmic reticulum stress. MethodsWestern blot was used to detect the establishment of the H9c2 model via Ang Ⅱ stimulation, which was identified as a cardiomyocyte apoptosis model. Subsequently, the inhibitory effect of ETH on cell proliferation was assessed using the cell counting Kit-8 (CCK-8) to determine the optimal effective dose of ETH. H9c2 cardiomyocytes were divided into a blank group, a model group (Ang Ⅱ, 1 mmol·L-1), and low-, medium-, and high-dose ETH groups (1.25, 2.5, and 5 mmol·L-1). Morphological changes in cardiomyocytes induced by Ang Ⅱ were detected using phalloidin staining. Cardiomyocyte apoptosis was assessed using terminal deoxynucleotidyl transferase dUTP nick and labeling (TUNEL) staining. The apoptosis cycle was detected by Annexin V/PI flow cytometry. Western blot was used to detect the expression levels of apoptosis-related proteins, endoplasmic reticulum stress, and IRE1/RIDD pathway-related proteins. ResultsWestern blot results showed that 1 mmol/mL Ang Ⅱ stimulation significantly increased the protein expression levels of Bip, p-IRE1, and Bid in H9c2 cells (P<0.05, P<0.01), indicating the induction of endoplasmic reticulum stress, activation of the IRE1/RIDD signaling pathway, and initiation of the apoptosis process. Compared with the blank group, the model group showed a significant increase in the surface area of H9c2 cells and the apoptosis rate of cardiomyocytes, as well as in both early and late apoptosis rates (P<0.01). The expression levels of Bid, Bax, cleaved-Caspase-3, and cleaved-Caspase-8 proteins were significantly increased, while the expression level of Bcl-2 protein was significantly decreased (P<0.01). The expression levels of Bip, p-IRE1, and p-RIDD proteins were significantly increased (P<0.05, P<0.01). Compared with those in the model group, the surface area of cardiomyocytes and the apoptosis rate of cardiomyocytes in all ETH groups were significantly decreased after drug intervention. Both early and late apoptosis rates were significantly decreased. The expression level of cleaved-Caspase-8 was significantly decreased in the low-dose ETH group (P<0.05). The expression levels of Bid, Bax, and cleaved-Caspase-8 were significantly decreased in the medium-dose ETH group (P<0.05, P<0.01). The high-dose ETH group significantly reduced the expression levels of Bid, Bax, cleaved-Caspase-3, and cleaved-Caspase-8 (P<0.05, P<0.01) and significantly increased the expression level of Bcl-2 (P<0.05). The level of p-IRE1 protein in the medium-dose ETH group was significantly decreased (P<0.01). The expression levels of Bip, p-IRE1, and p-RIDD proteins in the high-dose ETH group were significantly decreased (P<0.05, P<0.01). ConclusionETH can alleviate Ang Ⅱ-mediated cardiomyocyte apoptosis by inhibiting the IRE1/RIDD signaling pathway and further alleviate the cardiac injury caused by hypertension.
3.Mechanism of Ethoxysanguinarine in Regulating IRE1/RIDD Signaling Pathway to Inhibit Endoplasmic Reticulum Stress and Alleviate Cardiomyocyte Apoptosis
Zucheng SHANG ; Hongzheng LI ; Mengfan LI ; Wen SUN ; Guosheng LIN ; Aling SHEN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):141-148
ObjectiveTo investigate the effects of ethoxysanguinarine (ETH) on angiotensin Ⅱ (Ang Ⅱ)-mediated cardiomyocyte apoptosis and its regulatory effects of inositol-requiring enzyme 1 (IRE1)/regulated IRE1-dependent decay (RIDD) signaling pathway and endoplasmic reticulum stress. MethodsWestern blot was used to detect the establishment of the H9c2 model via Ang Ⅱ stimulation, which was identified as a cardiomyocyte apoptosis model. Subsequently, the inhibitory effect of ETH on cell proliferation was assessed using the cell counting Kit-8 (CCK-8) to determine the optimal effective dose of ETH. H9c2 cardiomyocytes were divided into a blank group, a model group (Ang Ⅱ, 1 mmol·L-1), and low-, medium-, and high-dose ETH groups (1.25, 2.5, and 5 mmol·L-1). Morphological changes in cardiomyocytes induced by Ang Ⅱ were detected using phalloidin staining. Cardiomyocyte apoptosis was assessed using terminal deoxynucleotidyl transferase dUTP nick and labeling (TUNEL) staining. The apoptosis cycle was detected by Annexin V/PI flow cytometry. Western blot was used to detect the expression levels of apoptosis-related proteins, endoplasmic reticulum stress, and IRE1/RIDD pathway-related proteins. ResultsWestern blot results showed that 1 mmol/mL Ang Ⅱ stimulation significantly increased the protein expression levels of Bip, p-IRE1, and Bid in H9c2 cells (P<0.05, P<0.01), indicating the induction of endoplasmic reticulum stress, activation of the IRE1/RIDD signaling pathway, and initiation of the apoptosis process. Compared with the blank group, the model group showed a significant increase in the surface area of H9c2 cells and the apoptosis rate of cardiomyocytes, as well as in both early and late apoptosis rates (P<0.01). The expression levels of Bid, Bax, cleaved-Caspase-3, and cleaved-Caspase-8 proteins were significantly increased, while the expression level of Bcl-2 protein was significantly decreased (P<0.01). The expression levels of Bip, p-IRE1, and p-RIDD proteins were significantly increased (P<0.05, P<0.01). Compared with those in the model group, the surface area of cardiomyocytes and the apoptosis rate of cardiomyocytes in all ETH groups were significantly decreased after drug intervention. Both early and late apoptosis rates were significantly decreased. The expression level of cleaved-Caspase-8 was significantly decreased in the low-dose ETH group (P<0.05). The expression levels of Bid, Bax, and cleaved-Caspase-8 were significantly decreased in the medium-dose ETH group (P<0.05, P<0.01). The high-dose ETH group significantly reduced the expression levels of Bid, Bax, cleaved-Caspase-3, and cleaved-Caspase-8 (P<0.05, P<0.01) and significantly increased the expression level of Bcl-2 (P<0.05). The level of p-IRE1 protein in the medium-dose ETH group was significantly decreased (P<0.01). The expression levels of Bip, p-IRE1, and p-RIDD proteins in the high-dose ETH group were significantly decreased (P<0.05, P<0.01). ConclusionETH can alleviate Ang Ⅱ-mediated cardiomyocyte apoptosis by inhibiting the IRE1/RIDD signaling pathway and further alleviate the cardiac injury caused by hypertension.
4.The Experience of Treating Heart Diseases with Corydalis Yanhusuo by Chen Keji
Hongzheng LI ; Wenwen YANG ; Zikai YU ; Hua QU ; Linzi LONG ; Changgeng FU
World Science and Technology-Modernization of Traditional Chinese Medicine 2024;26(3):564-574
Objective With the help of the cloud platform software of ancient and modern medical records,to analyze the prescription medication rule of Chinese medical master Chen Keji's application of Corydalis yanhusuo in the treatment of heart diseases,and to summarize and inherit the medication experience.Methods Medical record prescriptions with Corydalis yanhusuo used by Academician Chen Keji to treat heart diseases from 2002 to 2010 were collected and sorted out.Improved mutual information method,association rules,complex system clustering,unsupervised entropy hierarchical clustering and other methods were used to conduct statistical,correlation and cluster analysis on the normalization,frequency of application and combination of drug pairs in the prescriptions.Results A total of 146 clinical cases of by Academician Chen Keji were collected,and the main diseases were chest arthralgia,palpitation,and vertigo.In addition to Corydalis yanhusuo,Radix Salviae liguliobae,Radix chuanxiong and Radix Paeoniae Rubra had the highest frequency of single drug use.In the treatment of chest Bi disease,the use of xin,bitter,warm drugs,liver,heart,spleen meridian,high frequency drug for Radix chuanxiong-Corydalis yanhusuo,Radix Paeoniae Rubra-Corydalis yanhusuo;Commonly used angle herbs are Radix Paeoniae Rubra-Radix chuanxiong-Corydalis yanhusuo,Trichosanthes Kirilowii Maxim-Bulbus Allii Macrostemi-Corydalis yanhusuo.Cluster analysis suggested that the commonly used prescriptions for the treatment of chest Bi were Guanxin No.2,Gualsankyu Baibanxia Decoction and Bupleurum Shugan Powder.In the treatment of palpitation,sweet,bitter and warm drugs are mainly used,which are classified into liver,lung and spleen channels.The high-frequency counterpart herbs are Radix Sophorae flavescentis-Corydalis yanhusuo;Commonly used horn medicine is Ophiopogon japonicus-Corydalis yanhusuo-Schisandra chinensis.Cluster analysis suggested that Shengmai Decoction and Tianwang Buxin Dan were commonly used by Academician Chen,and Corydalis yanhusuo,Radix Sophorae flavescentis and Rhizoma Coptidis were his characteristic herbs for palpitation.In the treatment of vertigo,sweet,bitter,warm and plain Chinese medicines were mainly used.The correlation analysis of drug combinations suggested that Ramulus Uncariae cum Uncis-Corydalis yanhusuo and Gastrodia elata-Corydalis yanhusuo were commonly used as paired herbs,Gastrodia elata-Ramulus Uncariae cum Uncis-Corydalis yanhusuo were commonly used as angle herbs.Conclusion Academician Chen Keji,based on the combination of traditional Chinese and western medicine,used Corydalis yanhusuo to promote blood circulation and relieve pain in the treatment of chest Bi,to promote blood circulation and eliminate palpitation in the treatment of palpitation,and to calm down and eliminate daze in the treatment of vertigo.
5.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.
6.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.
7.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.
8.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.
9.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.
10.The effect and mechanism of Panax notoginseng saponins through inhibiting JNK/c-Jun signaling pathway in calcific aortic valve disease
Hongzheng LI ; Tianjiao LIU ; Zucheng SHANG ; Mengfan LI ; Guosheng LIN ; Bin ZHANG ; Zikai YU ; Changgeng FU ; Yongjian WU ; Keji CHEN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(11):1550-1561
Objective To investigate the effect and mechanism of Panax notoginseng saponins(PNS)in inhibiting c-Jun N-terminal protein kinase(JNK)/c-Jun signaling pathway activation to alleviate calcific aortic valve disease(CAVD)in mice.Methods Twenty-one male ApoE-/-mice aged 6 to 8 weeks were randomly divided into the model,PNS high-dose(60 mg/kg),and PNS low-dose(30 mg/kg)groups using the random number table method,with seven mice per group.Nine male C57BL/6 mice aged 6 to 8 weeks were used as the control group.Mice in the control group were fed a normal diet,whereas ApoE-/-mice were fed a high-fat diet for 12 weeks.After 12 weeks,three C57BL/6 and three ApoE-/-mice(one ApoE-/-mice from each group)were randomly selected to evaluate the CAVD modeling effect.After confirming successful modeling,the PNS high-and low-dose groups received daily intragastric PNS administration.The control and model groups were administered an equal volume of stroke-physiological saline solution by gavage for 4 consecutive weeks.The valve annulus diameter and peak velocity of the mice in each group were then detected using ultrasound.The degree of aortic valve calcification was evaluated using von Kossa and Alizarin Red S staining.The serum triglycerides(TG),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),and high-density lipoprotein cholesterol(HDL-C)were detected by biochemical method.Inflammatory factor interleukin-4(IL-4),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-10(IL-10)levels were determined using an enzyme-linked immunosorbent assay.The expressions of calcification markers,runt-related transcription factor 2(RUNX2),and bone morphogenetic protein 2(BMP2)were detected using immunohistochemistry.Aortic valve cell apoptosis was evaluated using TUNEL staining,and JNK/c-Jun signaling pathway-related mRNA and mean fluorescence intensity were detected using quantitative real-time PCR and immunofluorescence,respectively.Results Compared with the control group,the mice in the model group showed an increase in serum TC,TG,LDL-C,TNF-α,and IL-1β levels,a decrease in IL-4 and IL-10 levels,a decrease in annulus diameter,an increase in peak flow velocity,and an increase in von Kossa and Alizarin Red S staining-positive areas.Additionally,the model group showed an increase in aortic valve cell apoptosis rate,an increase in BMP2 and RUNX2-positive rates,and an increase in JNK and c-Jun mRNA expression levels and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Compared to the model group,the PNS low-dose group showed a decrease in serum TC,LDL-C,and TNF-α levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in positive area in Alizarin Red S staining.Furthermore,the PNS low-dose group showed a decrease in BMP2 and RUNX2-positive rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).The PNS high-dose group showed an increase in HDL-C,IL-4 and IL-10 levels,a decrease in serum TC,LDL-C,TNF-α,and IL-1β levels,an increase in annulus diameter,a decrease in peak flow velocity,and a decrease in von Kossa and Alizarin Red S staining-positive areas and cell apoptosis rate.The PNS high-dose group also showed a decrease in BMP2 and RUNX2 positive staining rates,JNK and c-Jun mRNA expression levels,and p-JNK/JNK and p-c-Jun/c-Jun(P<0.05).Conclusion PNS may reduce valvular cell apoptosis,alleviate inflammation,and protect against aortic valve calcification in mice by inhibiting the activation of JNK/c-Jun signaling pathway.

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