1.Kaixuan Jiedu Compatibility Alleviates Skin Lesions and Inflammatory Reactions in Psoriasis-like Mice
Ningxin ZHANG ; Jiaqi LI ; Xinqian LIU ; Tianbo ZHANG ; Meiqi SUN ; Mingjing LI ; Bin YANG ; Ping SONG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(17):79-88
ObjectiveTo investigate the efficacy and safety of Kaixuan Jiedu compatibility and the decomposed prescriptions in the treatment of psoriasis. MethodsThirty Balb/c mice were randomly grouped as follows (n=6): normal, model, Kaixuan Jiedu (KXJD, 15.21 g·kg-1), Kaixuan (KX, 3.08 g·kg-1), and Jiedu (JD, 12.13 g·kg-1). Except the normal group, the rest groups were modeled for psoriasis-like skin lesions by topical application of imiquimod, and samples were collected after 7 days of continuous intervention. Mice were photographed at the lesion site during modeling and before sampling and the psoriasis area and severity index (PASI) was calculated. Hematoxylin-eosin (HE) staining was used to observe pathological changes in the lesions and measure the epidermal thickness. Mice were photographed and observed for the tortuous dilation of dermal capillaries. The expression of vascular endothelial growth factor (VEGF), platelet-endothelial cell adhesion molecule (CD31), proliferating cell nuclear antigen (Ki67), and cytokeratin 10 (CK10) in the epidermal tissue was detected by immunohistochemistry. Immunofluorescence assay was employed to determine the expression of Claudin-1 and Occludin. Real-time PCR was employed to determine the mRNA levels of interleukin-17A (IL-17A) and interleukin-23 (IL-23). The spleen and thymus were photographed and weighed, and the spleen and thymus indices were calculated. The safety of the treatment was assessed by automatic biochemistry testing of the serum, liver, and kidney functions and by HE staining of the liver, kidney and spleen. ResultsCompared with that of the normal group, the skin of the model group showed erythema, infiltration, and typical psoriasis-like changes, tortuous dilation of dermal capillaries, hyperkeratosis in epidermal cells, acanthosis, massive lymphocytic infiltration in the dermis, impaired barrier function, increased expression of VEGF, CD31, Ki67, and CK10 (P<0.01), reduced expression of Claudin-1 and Occludin (P<0.01) in the epidermis, and up-regulated mRNA levels of IL-17A and IL-23 (P<0.01). In addition, the mice in the model group showed spleen enlargement, thymus atrophy, increased spleen index, and decreased thymus index (P<0.01). Compared with the model group, KXJD and JD reduced psoriasis-like skin lesions, inhibited the tortuous dilation of dermal capillaries, reduced the expression of VEGF, CD31, Ki67, and CK10 (P<0.01), increased the expression of claudin-1 (P<0.01), and down-regulated the mRNA levels of inflammatory factors (P<0.01). Moreover, the KXJD group outperformed the JD group. The JD group showed no significant difference from the model group regarding the spleen index, thymus index, and Occludin expression. The psoriasis indicators in the KX group were not significantly different from those in the model group. ConclusionKXJD and JD can reduce the symptoms of local skin lesions of psoriasis, which is manifested as different inhibition degrees of the proliferation and differentiation of keratin-forming cells, tortuous dilation of dermal capillaries, and inflammatory reactions, as well as the protection of the skin barrier. Moreover, KXJD outperformed JD. KX alone did not significantly reduce psoriasis lesions in mice. KXJD and the decomposed prescriptions are safe and effective, causing no obvious liver and kidney injuries.
2.Kaixuan Jiedu Compatibility Alleviates Skin Lesions and Inflammatory Reactions in Psoriasis-like Mice
Ningxin ZHANG ; Jiaqi LI ; Xinqian LIU ; Tianbo ZHANG ; Meiqi SUN ; Mingjing LI ; Bin YANG ; Ping SONG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(17):79-88
ObjectiveTo investigate the efficacy and safety of Kaixuan Jiedu compatibility and the decomposed prescriptions in the treatment of psoriasis. MethodsThirty Balb/c mice were randomly grouped as follows (n=6): normal, model, Kaixuan Jiedu (KXJD, 15.21 g·kg-1), Kaixuan (KX, 3.08 g·kg-1), and Jiedu (JD, 12.13 g·kg-1). Except the normal group, the rest groups were modeled for psoriasis-like skin lesions by topical application of imiquimod, and samples were collected after 7 days of continuous intervention. Mice were photographed at the lesion site during modeling and before sampling and the psoriasis area and severity index (PASI) was calculated. Hematoxylin-eosin (HE) staining was used to observe pathological changes in the lesions and measure the epidermal thickness. Mice were photographed and observed for the tortuous dilation of dermal capillaries. The expression of vascular endothelial growth factor (VEGF), platelet-endothelial cell adhesion molecule (CD31), proliferating cell nuclear antigen (Ki67), and cytokeratin 10 (CK10) in the epidermal tissue was detected by immunohistochemistry. Immunofluorescence assay was employed to determine the expression of Claudin-1 and Occludin. Real-time PCR was employed to determine the mRNA levels of interleukin-17A (IL-17A) and interleukin-23 (IL-23). The spleen and thymus were photographed and weighed, and the spleen and thymus indices were calculated. The safety of the treatment was assessed by automatic biochemistry testing of the serum, liver, and kidney functions and by HE staining of the liver, kidney and spleen. ResultsCompared with that of the normal group, the skin of the model group showed erythema, infiltration, and typical psoriasis-like changes, tortuous dilation of dermal capillaries, hyperkeratosis in epidermal cells, acanthosis, massive lymphocytic infiltration in the dermis, impaired barrier function, increased expression of VEGF, CD31, Ki67, and CK10 (P<0.01), reduced expression of Claudin-1 and Occludin (P<0.01) in the epidermis, and up-regulated mRNA levels of IL-17A and IL-23 (P<0.01). In addition, the mice in the model group showed spleen enlargement, thymus atrophy, increased spleen index, and decreased thymus index (P<0.01). Compared with the model group, KXJD and JD reduced psoriasis-like skin lesions, inhibited the tortuous dilation of dermal capillaries, reduced the expression of VEGF, CD31, Ki67, and CK10 (P<0.01), increased the expression of claudin-1 (P<0.01), and down-regulated the mRNA levels of inflammatory factors (P<0.01). Moreover, the KXJD group outperformed the JD group. The JD group showed no significant difference from the model group regarding the spleen index, thymus index, and Occludin expression. The psoriasis indicators in the KX group were not significantly different from those in the model group. ConclusionKXJD and JD can reduce the symptoms of local skin lesions of psoriasis, which is manifested as different inhibition degrees of the proliferation and differentiation of keratin-forming cells, tortuous dilation of dermal capillaries, and inflammatory reactions, as well as the protection of the skin barrier. Moreover, KXJD outperformed JD. KX alone did not significantly reduce psoriasis lesions in mice. KXJD and the decomposed prescriptions are safe and effective, causing no obvious liver and kidney injuries.
3.Isolation of microglia from aged rat brain tissue and phenotypic identification by flow cytometry
Miaomiao Liu ; Meiqi Guan ; Lian Yu ; Xiaorong Yang ; Jie Wang ; Yanli Li
Acta Universitatis Medicinalis Anhui 2024;59(11):1967-1973
Objective:
To establish an optimized method for isolation and purification of microglia from aged rat brain tissue, and the phenotype of microglia was detected by flow cytometry.
Methods:
With young rats(3 months old) as control, the brain tissues of aged rats were immediately processed into single cell suspensions by mechanical dissociation and enzymatic digestion using type IV collagenase. Microglia were isolated on Percoll gradients(30%-37%-70%). The cells were stained with fluorescence-labeled antibodies and the phenotype of microglia was detected by flow cytometry.
Results:
This study developed a method that enzymatic digestion and mechanical dissociation combined with density gradient centrifugation. More single cells could be obtained by using this method. And the survival rate of cells was more than 90%. The flow cytometric analysis showed that the expression of M1 microglia marker CD86 and MHC Ⅱ increased(P<0.01), and the expression of M2 microglia marker CD200R increased(P<0.01) in aged rats compared with that in young rats.
Conclusion
The use of type IV collagenase and mechanical digestion combined with density gradient centrifugation is good for isolating and purifying microglia from adult and aged rat brain tissue.
4.Mechanism study of ATOX1 promoting biological behavior of hepatocellular carcinoma cells through JAK2/STAT3 pathway
Jiajia MA ; Yaping ZHANG ; Bin YANG ; Meiqi ZHAO ; Lu JIANG ; Xiaoyu HUANG ; Luchang FAN ; Fengmei WANG
Tianjin Medical Journal 2024;52(9):907-912
Objective To investigate the clinical significance of the expression of antioxidant 1 copper chaperone protein(ATOX1)in hepatocellular carcinoma(HCC)and its relationship with tumor proliferation,migration and invasion.Methods The expression of ATOX1 mRNA in HCC cancer tissue and normal liver tissue was analyzed using the Human Genome Atlas database.Immunohistochemical experiment was used to detect the expression of ATOX1 in 15 cases of HCC cancer tissue and adjacent tissue.Human HCC cell lines Hep3B and HepG2 were divided into the control group(NC),the ATOX1 knockdown group 1(si-ATOX1#1)and the ATOX1 knockdown group 2(si-ATOX1#2).The effects of ATOX1 knockdown on the malignant biological behavior of HCC cells were observed through CCK-8 cell proliferation experiment,scratch experiment and Transwell invasion experiments.A nude mouse xenograft tumor model was constructed to analyze the effect of ATOX1 knockdown on the quality and volume of transplanted tumors.Western blot assay was used to detect the relationship between ATOX1 and JAK2/STAT3 pathway protein expression.Results Bioinformatics analysis showed that expression of ATOX1 mRNA in HCC cancer tissue was higher than that in adjacent normal tissue(P<0.05).The immunohistochemical staining results showed that the positive rate of ATOX1 protein was higher in HCC cancer tissue than that in adjacent tissue(93.33%vs.13.33%,P<0.01).In vitro experimental results showed that siRNA knockdown of ATOX1 protein expression in Hep3B and HepG2 cells significantly reduced the proliferation,migration and invasion abilities of cancer cells(P<0.05).In vivo experiments in mice showed that the volume and weight of subcutaneous xenograft tumors were significantly smaller in the sh-ATOX1 group than those in the sh-con group(P<0.05).The expression levels of JAK2/STAT3 pathway-related proteins p-JAK2,p-STAT3,CyclinD1 and MMP2 were significantly lower in the subcutaneous transplanted tumor tissue of the sh-ATOX1 group than that of the sh-con group(P<0.05).Conclusion ATOX1 can promote the proliferation,migration and invasion of HCC through JAK2/STAT3 pathway,which can potentially become a potential tumor marker and therapeutic target.
5.Intervention strategies for reducing sedentary behavior among older adults:a scoping review
Xiaoyan ZHANG ; Xuejing LI ; Dan YANG ; Meiqi MENG ; Yufang HAO
Chinese Journal of Nursing 2024;59(8):1012-1020
Objective A scoping review was performed to identify the effectiveness,characteristics,and behavior change techniques of intervention strategies for reducing sedentary behavior among older adults.Methods This study was guided by the scope review methodology framework proposed by Arksey and O'Malley.A comprehensive search of databases was conducted in PubMed,Embase,PsycINFO,Cochrane Library,CINAHL,and Sedentary Behavior Research Database to collect the literature on intervention strategies for reducing sedentary behavior among older adults.The search period was from the establishment of the databases to September 20,2022.The study selection and data extraction were performed independently by 2 reviewers.The resulting data were analyzed and arranged using the descriptive analysis and the social network analysis.Results A total of 31 separate studies published between 2011 and 2022 were included in this study.Most intervention strategies were developed based on the Social Cognitive Theory.Almost all sedentary behavior intervention strategies targeted the psychological and behavioral levels of the individual.The main contents of the intervention strategies included goals and plans,feedback and monitoring,natural consequences,social support,repetition and substitution.In the social network analysis,the behavior change techniques that ranked high in degree centrality included goal-setting(behavior),self-monitoring of behavior,action planning,information about health consequences,and feedback on behavior.These intervention strategies could reduce sedentary time from 23 to 151 min/day.Conclusion Domestic nursing researchers should pay attention to sedentary behavior in older adults,and develop intervention strategies for reducing sedentary behavior in local contexts based on the effectiveness,characteristics,and behavior change techniques of the existing sedentary behavior intervention strategies.
6.Study on the effect of differentiated management in a multi-campus hospital for improving patient experience
Tingting WANG ; Meijuan LAN ; Yuping ZHANG ; Meiqi YAO ; Chenling ZHU ; Jianping SONG ; Yan YANG ; Xiuqin FENG
Chinese Journal of Nursing 2024;59(15):1797-1803
Objective To explore and implement a differentiated management strategy for multi-campus hospitals to improve patient experience and satisfaction,and achieve the goal of homogenized management.Methods In December 2021,the Picker Patient Experience Questionnaire was used to survey the patient experience at 3 campuses of a tertiary A hospital in Hangzhou,and the reasons for the differences were analyzed.Based on policy document reviews,special group discussions,and expert meetings,differentiated management strategy for multi-campus hospitals was formulated.The patient experience and satisfaction before(December 2021)and after(December 2023)the implementation were compared.Results After the application of the one-hospital multi-campus difference management strategy,the overall medical experience score of the patients in the 3 campus was(58.54±2.36)points,which was higher than(58.13±3.24)points before the application(t=-3.223,P=0.001),and there was no statistically significant differences among the patients in the 3 campuses(F=0.781,P=0.458).After the application of the management strategy,the overall satisfaction score of the patients in the 3 campus was(98.44±6.22)points,which was higher than(97.98±6.87)points before the application of the management strategy(t=-2.490,P=0.013),and there was no statistical significance among the patients in the 3 campus(F=1.128,P=0.324).The number of banners and letters of commendation received by the 3 campuses increased from 1 661 before the application to 2 190 after the application,with a growth rate of 31.85%.Conclusion Differentiated management in a multi-campus hospital,aiming at homogenized quality through differentiated strategies,is practicable and can significantly improve the patient experience and satisfaction across different campuses.
7.Establishment and validation of endometrial organoids in infertility
Meiqi CHEN ; Shupan FAN ; Yuanjing CHEN ; Yunyun YANG ; Zhuo WANG
Academic Journal of Naval Medical University 2024;45(10):1211-1217
Objective To construct a culture system of endometrial organoids for infertility induced by non-immune or immune factors,and to compare the immune cytokines between them.Methods The samples were collected from infertility patients undergoing hysteroscopy in Department of Reproductive Medicine Center of The First Affiliated Hospital of Naval Medical University(Second Military Medical University).Endometrial tissues were obtained from patients with infertility caused by non-immune factors(n=3)and patients with repeated implantation failure(RIF)(n=5).The tissues were embedded in matrix glue for 3D culture after washing,digestion,re-suspension and plate attachment.The growth of endometrial organoids of the 2 groups was observed under inverted microscope;the expression of estrogen receptor,keratin and E-cadherin,which were specific endometrial markers,was detected by immunofluorescence staining;and the cytokines of the 2 groups were determined by enzyme-linked immunosorbent assay(ELISA)and the differences of cytokines between the 2 groups were observed.Results During the process of in vitro culture of endometrial organoids,the volume of organoids and the number of cells gradually increased.After 7-10 d of culture,the volume of organoids reached a stable state,and the shape gradually became a perfect circle.At the same time,the number of organoids from the infertility patients caused by non-immune factors was more than that from the infertility patients caused by RIF.Immunofluorescence staining showed the expression of endometrial related marker proteins estrogen receptor,keratin and E-cadherin,indicating the successful construction of endometrial organoids.ELISA results showed that the levels of interferon(IFN)-γ,interleukin(IL)-10,tumor necrosis factor(TNF)-α,IL-4 and TNF-α/IL-4 ratio between the 2 groups were significantly different(P<0.05 or P<0.01).There were no significant differences in the levels of TGF-β1 or IL-17,the ratios of IL-17/TGF-β1,IFN-γ/IL-10 or TNF-α/IL-10(all P>0.05).Conclusion Endometrial organoids with proliferative ability from patients with non-immune infertility and RIF have been successfully cultured in vitro,which provides a new model for the basic research of immune infertility.
8.Factors influencing patient involvement in decision-making for initial administration of insulin in patients with Type II diabetes:a Meta integration of qualitative study
Jingyuan ZHANG ; Dan YANG ; Yiyi YIN ; Meiqi MENG ; Sihan CHEN ; Yufang HAO
Modern Clinical Nursing 2024;23(8):71-80
Objective To summarise and analyse the qualitative studies on the factors that influence patient involvement in decision-making for the initial administration of insulin for the patients with Type II diabetes,from the perspectives of patients and healthcare staff in order to provide a reference to promote patient involvement in decision-making.Methods Systematic searches were conducted across databases,such as CINAHL,Cochrane Library,EMBASE,PubMed,Web of Science,PsycINFO,China National Knowledge Infrastructure(CNKI),Wanfang Data,VIP,and SinoMed,for qualitative studies on the factors that affect patient involvement in initial insulin decision-making for the patients with Type II diabetes.The search was limited to articles from the inception of the databases to 30th September,2023.Quality of the included studies was assessed using the Joanna Briggs Institute(JBI)evidence-based healthcare centre for qualitative research quality assessment tool.The results were integrated using a synthesising integration method.Results A total of 19 articles were included,yielding 20 study results,which were categorised into 7 themes of patient decision-making related values,patient role preferences in decision-making,condition of patient,the role of healthcare staff in patient participation in decision-making,professional quality of healthcare staff,relationship between patient and healthcare staff,and the support from a medical institution.The data were ultimately integrated into 4 overarching themes of patient personal factors,healthcare staff factors,patient-staff interaction factors and medical institution factors.Conclusion The involvement of the patients with Type II diabetes in the decision-making for the initial administration of insulin is influenced by patients themselves,healthcare staff and medical institutions.It requires efforts of multiple parties:not only with the patients actively participate in decision-making,but also with the healthcare staff and institutions who provide effective decision supports.
9.Effects of combining plantar reflex area and acupoint massage with music therapy in patients with brain trauma and coma
Meiqi YANG ; Xijun HAO ; Quanrong GUO ; Xiaohua TIAN ; Changxiang CHEN
Chinese Journal of Modern Nursing 2024;30(10):1368-1372
Objective:To evaluate the arousal effect of plantar reflex area and acupoint massage combined with music therapy in patients with brain trauma and coma.Methods:From March 2022 to March 2023, 90 patients with brain trauma and coma who were treated in the Neurosurgery Intensive Care Unit of Tangshan Gongren Hospital in Hebei Province were selected as the research subject. According to the random number table method, patients were divided into a control group, experimental group 1, and experimental group 2, with 30 cases in each group. The control group received routine nursing for brain trauma, while the experimental group 1 received music therapy with the natural voice on the basis of the control group. The experimental group 2 was treated with plantar reflex area and acupoint massage treatment on the basis of the experimental group 1. This study compared the Glasgow Coma Scale (GCS) scores and Coma Recovery Scale-Revised (CRS-R) scores of three groups of patients before and after intervention.Results:After 2, 4, and 6 weeks of intervention, the GCS scores and CRS-R scores of patients in experimental group 2 were higher than those in the control group and experimental group 1, with statistically significant differences ( P<0.05) . Conclusions:The combination of plantar reflex area and acupoint massage with music therapy has a certain arousal effect on patients with brain trauma and coma, and can be promoted and applied in clinical practice.
10.Study on the extraction process of Xinyi Powder by ambi-extracting and the inclusion process of volatile oil
Huimin WU ; Meiqi ZHAO ; Lizhi XU ; Yang MENG ; Shujun WANG ; Rui YANG
International Journal of Traditional Chinese Medicine 2023;45(6):730-735
Objective:To screen the optimal process of ambi-extracting of Xinyi Powder and inclusion of volatile oil.Methods:Single factor experiment was used to optimize the extraction process of Xinyi Powder by taking crushing particle size, extraction times, the amount of water added and extraction time as the investigation factors. L 9(3 4) orthogonal test was used to optimize the inclusion process of volatile oil in Xinyi Powder. Results:The optimal extraction process of ambi-extracting of Xinyi Powder was as follows: the slices were not crushed, 10 times the amount of water was added, and extracted for 3 hours; the best inclusion process of volatile oil as follows: β-cyclodextrin:water=1:25, β-cyclodextrin:volatile oil=6:1, inclusion temperature 35 ℃, inclusion time 3 hours.Conclusion:The ambi-extracting process and volatile oil inclusion process are simple, stable and feasible.


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