1.Research progress of nano drug delivery system based on metal-polyphenol network for the diagnosis and treatment of inflammatory diseases
Meng-jie ZHAO ; Xia-li ZHU ; Yi-jing LI ; Zi-ang WANG ; Yun-long ZHAO ; Gao-jian WEI ; Yu CHEN ; Sheng-nan HUANG
Acta Pharmaceutica Sinica 2025;60(2):323-336
Inflammatory diseases (IDs) are a general term of diseases characterized by chronic inflammation as the primary pathogenetic mechanism, which seriously affect the quality of patient′s life and cause significant social and medical burden. Current drugs for IDs include nonsteroidal anti-inflammatory drugs, corticosteroids, immunomodulators, biologics, and antioxidants, but these drugs may cause gastrointestinal side effects, induce or worsen infections, and cause non-response or intolerance. Given the outstanding performance of metal polyphenol network (MPN) in the fields of drug delivery, biomedical imaging, and catalytic therapy, its application in the diagnosis and treatment of IDs has attracted much attention and significant progress has been made. In this paper, we first provide an overview of the types of IDs and their generating mechanisms, then sort out and summarize the different forms of MPN in recent years, and finally discuss in detail the characteristics of MPN and their latest research progress in the diagnosis and treatment of IDs. This research may provide useful references for scientific research and clinical practice in the related fields.
2.Prenatal Mental Health and Its Stress-Process Mechanisms During a Pandemic Lockdown: A Moderated Parallel Mediation Model
Man JIANG ; Lei CHEN ; Nan TUO ; Dongjian YANG ; Shimeng LIU ; Zhen HUANG
Psychiatry Investigation 2025;22(3):221-230
Objective:
Hundreds of countries have implemented lockdown policies to slow the spread of coronavirus disease-2019 (COVID-19), but the impact of these measures on maternal mental health is not well understood.
Methods:
This study integrated a stress-process model to examine the pathways from lockdown-related stressors to prenatal psychological outcomes, with COVID-19 coping strategies (COP) and self-efficacy in managing negative affect (NEG) as mediators and lockdown duration, hours on pandemic-related information, and number of pregnancies as moderators. Pregnant women in Shanghai completed the Regulatory Emotional Self-Efficacy Scale, COVID-19 Coping Scale, Depression, Anxiety, and Stress Scale-21. Structural equation modeling (SEM) was used to test and modify the hypothetical model, and moderated mediation and slope analyses were undertaken.
Results:
In the final SEM demonstrating satisfactory fit, three stressors—decreased household income, insufficient daily supplies, and acquired infections—showed positive direct relationships with NEG and COP. Acquired infections, NEG, and COP were identified as direct predictors of mental health outcomes. The relationship between these three stressors and mental health was mediated by NEG and COP. Additionally, the number of pregnancies moderated the mediating effect of COP; this effect was more pronounced among first-time pregnant women than those with multiple pregnancies.
Conclusion
This study provides insights into how lockdown measures impact psychological outcomes in pregnant women quarantined at home. Interventions aimed at increasing coping strategies may be more effective for primiparous women during future public health emergencies.
3.Prenatal Mental Health and Its Stress-Process Mechanisms During a Pandemic Lockdown: A Moderated Parallel Mediation Model
Man JIANG ; Lei CHEN ; Nan TUO ; Dongjian YANG ; Shimeng LIU ; Zhen HUANG
Psychiatry Investigation 2025;22(3):221-230
Objective:
Hundreds of countries have implemented lockdown policies to slow the spread of coronavirus disease-2019 (COVID-19), but the impact of these measures on maternal mental health is not well understood.
Methods:
This study integrated a stress-process model to examine the pathways from lockdown-related stressors to prenatal psychological outcomes, with COVID-19 coping strategies (COP) and self-efficacy in managing negative affect (NEG) as mediators and lockdown duration, hours on pandemic-related information, and number of pregnancies as moderators. Pregnant women in Shanghai completed the Regulatory Emotional Self-Efficacy Scale, COVID-19 Coping Scale, Depression, Anxiety, and Stress Scale-21. Structural equation modeling (SEM) was used to test and modify the hypothetical model, and moderated mediation and slope analyses were undertaken.
Results:
In the final SEM demonstrating satisfactory fit, three stressors—decreased household income, insufficient daily supplies, and acquired infections—showed positive direct relationships with NEG and COP. Acquired infections, NEG, and COP were identified as direct predictors of mental health outcomes. The relationship between these three stressors and mental health was mediated by NEG and COP. Additionally, the number of pregnancies moderated the mediating effect of COP; this effect was more pronounced among first-time pregnant women than those with multiple pregnancies.
Conclusion
This study provides insights into how lockdown measures impact psychological outcomes in pregnant women quarantined at home. Interventions aimed at increasing coping strategies may be more effective for primiparous women during future public health emergencies.
4.Prenatal Mental Health and Its Stress-Process Mechanisms During a Pandemic Lockdown: A Moderated Parallel Mediation Model
Man JIANG ; Lei CHEN ; Nan TUO ; Dongjian YANG ; Shimeng LIU ; Zhen HUANG
Psychiatry Investigation 2025;22(3):221-230
Objective:
Hundreds of countries have implemented lockdown policies to slow the spread of coronavirus disease-2019 (COVID-19), but the impact of these measures on maternal mental health is not well understood.
Methods:
This study integrated a stress-process model to examine the pathways from lockdown-related stressors to prenatal psychological outcomes, with COVID-19 coping strategies (COP) and self-efficacy in managing negative affect (NEG) as mediators and lockdown duration, hours on pandemic-related information, and number of pregnancies as moderators. Pregnant women in Shanghai completed the Regulatory Emotional Self-Efficacy Scale, COVID-19 Coping Scale, Depression, Anxiety, and Stress Scale-21. Structural equation modeling (SEM) was used to test and modify the hypothetical model, and moderated mediation and slope analyses were undertaken.
Results:
In the final SEM demonstrating satisfactory fit, three stressors—decreased household income, insufficient daily supplies, and acquired infections—showed positive direct relationships with NEG and COP. Acquired infections, NEG, and COP were identified as direct predictors of mental health outcomes. The relationship between these three stressors and mental health was mediated by NEG and COP. Additionally, the number of pregnancies moderated the mediating effect of COP; this effect was more pronounced among first-time pregnant women than those with multiple pregnancies.
Conclusion
This study provides insights into how lockdown measures impact psychological outcomes in pregnant women quarantined at home. Interventions aimed at increasing coping strategies may be more effective for primiparous women during future public health emergencies.
5.Ablation of IGFBP5 expression alleviates neurogenic erectile dysfunction by inducing neurovascular regeneration
Jiyeon OCK ; Guo Nan YIN ; Fang-Yuan LIU ; Yan HUANG ; Fitri Rahma FRIDAYANA ; Minh Nhat VO ; Ji-Kan RYU
Investigative and Clinical Urology 2025;66(1):74-86
Purpose:
To investigate the therapeutic potential of eliminating insulin-like growth factor-binding protein 5 (IGFBP5) expression in improving erectile function in mice with cavernous nerve injury (CNI)-induced erectile dysfunction (ED).
Materials and Methods:
Eight-week-old male C57BL/6 mice were divided into four groups: a sham-operated group and three CNI-induced ED groups. The CNI-induced ED groups were treated with intracavernous injections 3 days before the CNI procedure.These injections included phosphate-buffered saline, scrambled control short hairpin RNA (shRNA), or shRNA targeting mouse IGFBP5 lentiviral particles. One week after CNI, erectile function was evaluated and the penile tissue was then harvested for histological examination and western blot analysis. Additionally, the major pelvic ganglia (MPG) and dorsal root ganglia (DRG) were cultured for ex vivo neurite outgrowth assays.
Results:
Following CNI, IGFBP5 expression in the cavernous tissues significantly increased, reaching its peak at day 7. First, ablation of IGFBP5 expression promotes neurite sprouting in MPG and DRG when exposed to lipopolysaccharide. Second, ablating IGFBP5 expression in CNI-induced ED mice improved erectile function, likely owing to increased neurovascular contents, including endothelial cells, pericytes, and neuronal processes. Third, ablating IGFBP5 expression in CNI-induced ED mice promoted neurovascular regeneration by increasing cell proliferation, reducing apoptosis, and decreasing Reactive oxygen species production. Finally, western blot analysis demonstrated that IGFBP5 ablation attenuated the JNK/c-Jun signaling pathway, activated the PI3K/AKT signaling pathway, and increased vascular endothelial growth factor and neurotrophic factor expression.
Conclusions
Ablating IGFBP5 expression enhanced neurovascular regeneration and ultimately improved erectile function in CNI-induced ED mice.
6.Prenatal Mental Health and Its Stress-Process Mechanisms During a Pandemic Lockdown: A Moderated Parallel Mediation Model
Man JIANG ; Lei CHEN ; Nan TUO ; Dongjian YANG ; Shimeng LIU ; Zhen HUANG
Psychiatry Investigation 2025;22(3):221-230
Objective:
Hundreds of countries have implemented lockdown policies to slow the spread of coronavirus disease-2019 (COVID-19), but the impact of these measures on maternal mental health is not well understood.
Methods:
This study integrated a stress-process model to examine the pathways from lockdown-related stressors to prenatal psychological outcomes, with COVID-19 coping strategies (COP) and self-efficacy in managing negative affect (NEG) as mediators and lockdown duration, hours on pandemic-related information, and number of pregnancies as moderators. Pregnant women in Shanghai completed the Regulatory Emotional Self-Efficacy Scale, COVID-19 Coping Scale, Depression, Anxiety, and Stress Scale-21. Structural equation modeling (SEM) was used to test and modify the hypothetical model, and moderated mediation and slope analyses were undertaken.
Results:
In the final SEM demonstrating satisfactory fit, three stressors—decreased household income, insufficient daily supplies, and acquired infections—showed positive direct relationships with NEG and COP. Acquired infections, NEG, and COP were identified as direct predictors of mental health outcomes. The relationship between these three stressors and mental health was mediated by NEG and COP. Additionally, the number of pregnancies moderated the mediating effect of COP; this effect was more pronounced among first-time pregnant women than those with multiple pregnancies.
Conclusion
This study provides insights into how lockdown measures impact psychological outcomes in pregnant women quarantined at home. Interventions aimed at increasing coping strategies may be more effective for primiparous women during future public health emergencies.
7.Prenatal Mental Health and Its Stress-Process Mechanisms During a Pandemic Lockdown: A Moderated Parallel Mediation Model
Man JIANG ; Lei CHEN ; Nan TUO ; Dongjian YANG ; Shimeng LIU ; Zhen HUANG
Psychiatry Investigation 2025;22(3):221-230
Objective:
Hundreds of countries have implemented lockdown policies to slow the spread of coronavirus disease-2019 (COVID-19), but the impact of these measures on maternal mental health is not well understood.
Methods:
This study integrated a stress-process model to examine the pathways from lockdown-related stressors to prenatal psychological outcomes, with COVID-19 coping strategies (COP) and self-efficacy in managing negative affect (NEG) as mediators and lockdown duration, hours on pandemic-related information, and number of pregnancies as moderators. Pregnant women in Shanghai completed the Regulatory Emotional Self-Efficacy Scale, COVID-19 Coping Scale, Depression, Anxiety, and Stress Scale-21. Structural equation modeling (SEM) was used to test and modify the hypothetical model, and moderated mediation and slope analyses were undertaken.
Results:
In the final SEM demonstrating satisfactory fit, three stressors—decreased household income, insufficient daily supplies, and acquired infections—showed positive direct relationships with NEG and COP. Acquired infections, NEG, and COP were identified as direct predictors of mental health outcomes. The relationship between these three stressors and mental health was mediated by NEG and COP. Additionally, the number of pregnancies moderated the mediating effect of COP; this effect was more pronounced among first-time pregnant women than those with multiple pregnancies.
Conclusion
This study provides insights into how lockdown measures impact psychological outcomes in pregnant women quarantined at home. Interventions aimed at increasing coping strategies may be more effective for primiparous women during future public health emergencies.
8.Improvement effect and mechanism of “Layers adjusting external application”paste on synovial fibrosis in rats with knee osteoarthritis
Yibao WEI ; Zhenyuan MA ; Taiyang LIAO ; Nan YANG ; Peng WU ; Peimin WANG ; Zhengquan HUANG
China Pharmacy 2024;35(4):407-412
OBJECTIVE To investigate the improvement effect and potential mechanism of “Layers adjusting external application” paste on synovial fibrosis (SF) in rats with knee osteoarthritis (KOA). METHODS Male SD rats were randomly divided into sham operation group, KOA group and Layers adjusting external application group, with 8 rats in each group. KOA model was induced by the anterior cruciate ligament disruption method in KOA group and Layers adjusting external application group. Fourteen days after modeling, the Layers adjusting external application group was given “Layers adjusting external application” paste [Sanse powder (8 g for every 100 cm2), Compound sanhuang ointment (5 g for every 100 cm2)] on the knee joint, 8 h every day, for 28 d in total. After the last administration, the degree of synovitis and fibrosis in rats was observed, and Krenn scoring was performed in each group. The expressions of collagen Ⅰ, high mobility group protein B1 (HMGB1) and phosphorylated nuclear factor-κB p65 (p-NF-κB p65) were detected in the synovial membrane; the contents of interleukin-1β (IL- 1β), IL-6 and tumor necrosis factor-α (TNF-α) in serum as well as the expressions of fibrosis-related and HMGB1/Toll-like receptor 4 (TLR4)/NF-κB signaling pathway-related proteins and mRNA were detected in synovial tissue. RESULTS Compared with the sham operation group, the synovial lining cells in the KOA group showed significant proliferation and disordered arrangement, the inflammatory cell infiltration and collagen fiber deposition were obvious; the positive expressing cells of collagen Ⅰ, HMGB1 and p-NF-κB p65 were increased significantly; the contents of IL-1β, IL-6 and TNF-α in serum, the expressions of fibrosis-related protein (transforming growth factor-β, collagen Ⅰ, tissue inhibitor of metalloproteinase 1, α-smooth muscle actin) and their mRNA as well as theexpressions of HMGB1, TLR4 protein and their mRNA, the expressions of p-NF-κB p65 protein and NF-κB p65 mRNA were all increased significantly in synovial tissues of rats (P<0.01). Compared with the KOA group, the pathological changes in the synovial tissue of rats in Layers adjusting external application group were significantly improved, and the above quantitative indicators were significantly reversed (P<0.05 or P<0.01). CONCLUSIONS “Layers adjusting external application” paste could significantly improve SF in KOA rats, the mechanism of which may be associated with the inhibition of the activation of HMGB1/ TLR4/NF-κB signaling pathway.
9.Current situation and related factors of AIDS discrimination among junior medical students in Jiangxi Province
HUANG Duoqin, ZOU Wei, ZHENG Yanan, WAN Xin, GONG Xi
Chinese Journal of School Health 2024;45(2):193-197
Objective:
To explore the current situation and related factors of AIDS discrimination among junior medical students in Jiangxi Province, so as to provide a reference for effective AIDS anti discrimination intervention measures in medical colleges.
Methods:
Using a convenience sampling approach, 2 484 medical students were selected from five universities in Jiangxi Province from July to August 2023. An anonymous survey was conducted using a general information questionnaire, a AIDS knowledge questionnaire, and the Chinese version of Zelaya s AIDS Stigma Scale. Independent sample t-tests and analysis of variance were carried out to analyze the level of AIDS discrimination among medical students with different characteristics. Multiple stepwise regression analysis was performed to identify the related factors of AIDS discrimination.
Results:
The total score of AIDS discrimination among medical students was (2.55±0.67). The dimension with the highest score was fear of contracting the disease (2.89±1.01). The results of the multiple stepwise regression analysis showed that the factors related to AIDS discrimination included gender ( β = -0.17 ), grade ( β =-0.08), being an only child or not ( β =-0.04), whether knowing about AIDS knowledge or not ( β =0.22), willingness to use condoms during sexual activity ( β =0.07), willingness to participate in school sexual health knowledge based activities ( β =0.05) and the perceived importance of selfhealth ( β =0.11) ( P <0.05).
Conclusions
AIDS discrimination is prevalent among junior medical students in Jiangxi Province. Efforts should be undertaken to enhance humanistic education and relevant knowledge dissemination among junior medical students to reduce the level of AIDS discrimination.
10.Realationship between personality impulsivity and aggressivity in adolescents: the effecting path of sibling relationships
Nan LIN ; Xian LI ; Jing HU ; Junlin WU ; Jing ZHOU ; Wan GU ; Guoping HUANG
Sichuan Mental Health 2024;37(1):63-69
BackgroundIn China, the structure shift from just one-child family to both one-child and more-than-one-child families is happening. Exploring how the sibling relationships effect between adolescent personality impulsivity and aggressivity is of great significance for promoting adolescent mental health as well as maintaining social harmony and stability. ObjectiveTo investigate the effecting path of sibling relationships between personality impulsivity and aggressivity in adolescents, so as to provide references for the prevention of violent and aggressive behavior in adolescents. MethodsFrom February to April, 2023, a total of 1 200 students with sibling relationships from 12 primary and secondary schools in a county of Sichuan province were included by random sampling. Barratt Impulsivity Scale (BIS-11), Chinese Version of Buss & Perry Aggression Questionnaire (AQ-CV), and Sibling Relationship Questionnaire (SRQ) were used for cross-sectional investigation. Pearson Correlation Analysis was used to analyze the correlation between the scores of these scales. Bootstrap method was used to test the effecting path of sibling relationships between personality impulsivity and aggressivity. ResultsThe total score of BIS-11 was positively correlated with that of AQ-CV as well as the scores of conflict and competition dimensions in SRQ (r=0.485、0.276、0.280,P<0.01), while negatively correlated with the score of warmth/intimacy dimension in SRQ (r=-0.383, P<0.01). The total score of AQ-CV was positively correlated with the scores of conflict and competition dimensions in SRQ (r=0.387, 0.340, P<0.01), while negatively correlated with the score of warmth/intimacy dimension in SRQ (r=-0.304, P<0.01). Within SRQ, negative correlations could be observed between the score of warmth/intimacy and scores of conflict and competition (r=-0.307, -0.375, P<0.01), whereas positive correlation could be observed between the score of conflict and that of competition (r=0.267, P<0.01). The total effect of personality impulsivity level on aggressivity level in adolescent was 0.480 (P<0.01). Sibling relationships played a mediating role between personality impulsivity and aggressivity in adolescents. Meanwhile, the indirect effect values of warmth/intimacy, conflict and competition were 0.054, 0.075 and 0.062, with the effect values accounting for 11.21%, 15.70% and 12.93%, respectively. ConclusionThe personality impulsivity of adolescents can directly affect their aggressivity, and sibling relationships may act as an important channel connecting personality impulsivity and aggressivity. [Funded by 2023 Project of the Psychology and Behavioral Science Research Center of the Deyang Federation of Social Sciences (number, XLYXW2023305)]


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