1.Study on activation mechanism of SGCs in representation along the distribution of stomach meridian in IBS-D mice.
Na LI ; Junhui REN ; Lu GUAN ; Yashuang XU ; Liyan ZHONG ; Xiaomei SHAO ; Jianqiao FANG ; Junying DU ; Junfan FANG
Chinese Acupuncture & Moxibustion 2025;45(5):593-600
OBJECTIVE:
To explore the peripheral neural mechanism underlying representation along the distribution of stomach meridian induced by intestinal inflammatory reaction using diarrhea predominant-irritable bowel syndrome (IBS-D) mice.
METHODS:
Among 62 healthy male C57BL/6 mice of clean grade, 12 mice were randomly selected and divided into a control group and a model group, 6 mice in each group, additionally, 12 mice were randomly selected and divided into a Tianshu group, a Liangqiu group and a Zusanli group, 4 mice in each group. In the model group, citrobacter was administered orally to establish IBS-D model. In the control group and the model group, the visceral pain threshold was observed using fecal colorectal distension (fCRD) induced electromyography of external oblique muscle, the positive cell number of neutrophil in the colonic muscularis was detected by myeloperoxidase (MPO) staining, the number, location and distribution rule of Evans blue (EB) extravasation points were observed by injection of EB staining solution into the tail vein. In the Tianshu group, the Liangqiu group and the Zusanli group, fluorescent dye Dil was injected at bilateral "Tianshu" (ST25), "Liangqiu" (ST34) and "Zusanli" (ST36) respectively, to observe the dye-positive cell number in different dorsal root ganglion (DRG) segments. In the control group and the model group, the activation of satellite glial cells (SGCs) in different DRG segments was observed by immunofluorescence.
RESULTS:
Compared with the control group, in the model group, the area under curve of electromyography of external oblique muscle was increased at fCRD of 25, 50 and 75 μL distilled water (P<0.001, P<0.01); the MPO-positive cell number of neutrophil in the colonic muscularis was increased (P<0.01). Few EB extravasation points could be found in the control group, while there were much more EB extravasation points observed in the model group, which was specially distribution in the area of stomach meridian, from "Huaroumen" (ST24) to "Zusanli" (ST36), as well as the surface area dominated by L2-L5 segment of the spinal cord. The Dil-positive cells were mainly exhibited in the DRG of T11, L5 and L4 segments in the Tianshu group, the Liangqiu group and the Zusanli group, respectively. Compared with the control group, the ratio of glial fibrillary acidic protein (GFAP)/glutamine synthetase (GS) co-expression was increased in the DRG of T11, L4 and L5 segments in the model group (P<0.05, P<0.01).
CONCLUSION
The activation of SGCs within DRG of T11, L4 and L5 segments may relate closely to the occurrence of the representation along the stomach meridian distribution in IBS-D mice.
Animals
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Male
;
Mice
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Irritable Bowel Syndrome/therapy*
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Mice, Inbred C57BL
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Meridians
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Stomach/physiopathology*
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Humans
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Acupuncture Points
;
Disease Models, Animal
2.Inhibition of ISO-induced hypertrophy and damage in H9c2 cells by total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma via promoting autophagy.
Cheng-Zhi XIE ; Ying ZHANG ; Chang FU ; Xiao-Shan CUI ; Rui-Na HAO ; Jian-Xun REN
China Journal of Chinese Materia Medica 2025;50(7):1841-1849
This paper primarily investigated the protective effects and potential mechanisms of total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma in alleviating isoprenaline(ISO)-induced hypertrophy and damage in H9c2 cardiomyocytes. Initially, H9c2 cardiomyocytes were used as the research subject to analyze the effects of ISO at different concentrations on cell hypertrophy and damage. On this basis, the H9c2 cardiomyocytes were divided into blank, model, and high-dose(200 μg·mL~(-1)), medium-dose(100 μg·mL~(-1)), and low-dose(50 μg·mL~(-1)) groups of total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma. Cell hypertrophy and damage models were induced by treating cells with 400 μmol·L~(-1) ISO for 24 hours. The Incucyte live-cell analysis system was utilized to observe the status, size changes, and confluence of the cells in each group. Cell viability was detected by using the CCK-8 assay. Western blot analysis was employed to detect the expression of Ras-associated protein 7A(RAB7A), sequestosome 1(SQSTM1/p62), autophagy-related protein Beclin1, and microtubule-associated protein 1 light chain 3(LC3). Immunofluorescence was used to detect the expression level of the autophagy marker Beclin1 in H9c2 cells. The results demonstrated that compared with the blank group, the model group showed a significant reduction in cell viability(P<0.01) and a marked increase in cell hypertrophy, with an average cell length growth of 13.53%. Compared with the model group, the high-dose, medium-dose, and low-dose groups of total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma exhibited reduced hypertrophy, with respective growths of 6.89%, 8.30%, and 8.49% and a significant decrease in growth rates(P<0.01). Cell viability in the high-dose of total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma was also significantly increased(P<0.01). Western blot and immunofluorescence results indicated that compared with the blank group, the model group showed changes in Beclin1, RAB7A, and p62 expression, as well as the LC3Ⅱ/LC3Ⅰ ratio, although most changes were not statistically significant. In the groups treated with total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma, the expression of autophagy-related proteins Beclin1 and RAB7A and the LC3Ⅱ/LC3Ⅰ ratio were significantly increased(P<0.05), while p62 expression significantly decreased(P<0.05). These findings collectively suggested that pretreatment of cells with total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma significantly enhanced autophagy activity in cells. In summary, total saponins from Ginseng Radix et Rhizoma and Notoginseng Radix et Rhizoma inhibit ISO-induced hypertrophy and damage in H9c2 cells by promoting autophagy, demonstrating potential cardioprotective effects and providing new insights and scientific evidence for their preventive and therapeutic use in cardiovascular diseases.
Autophagy/drug effects*
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Saponins/pharmacology*
;
Panax notoginseng/chemistry*
;
Panax/chemistry*
;
Animals
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Rats
;
Cell Line
;
Drugs, Chinese Herbal/pharmacology*
;
Rhizome/chemistry*
;
Isoproterenol/adverse effects*
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Myocytes, Cardiac/cytology*
;
Hypertrophy/drug therapy*
3.Identification of blood-entering components of Anshen Dropping Pills based on UPLC-Q-TOF-MS/MS combined with network pharmacology and evaluation of their anti-insomnia effects and mechanisms.
Xia-Xia REN ; Jin-Na YANG ; Xue-Jun LUO ; Hui-Ping LI ; Miao QIAO ; Wen-Jia WANG ; Yi HE ; Shui-Ping ZHOU ; Yun-Hui HU ; Rui-Ming LI
China Journal of Chinese Materia Medica 2025;50(7):1928-1937
This study identified blood-entering components of Anshen Dropping Pills and explored their anti-insomnia effects and mechanisms. The main blood-entering components of Anshen Dropping Pills were detected and identified by UPLC-Q-TOF-MS/MS. The rationality of the formula was assessed by using enrichment analysis based on the relationship between drugs and symptoms, and core targets of its active components were selected as the the potential anti-insomnia targets of Anshen Dropping Pills through network pharmacology analysis. Furthermore, protein-protein interaction(PPI) network, Gene Ontology(GO) enrichment analysis, and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway analysis were performed on the core targets. An active component-core target network for Anshen Dropping Pills was constructed. Finally, the effects of low-, medium-, and high-dose groups of Anshen Dropping Pills on sleep episodes, sleep duration, and sleep latency in mice were measured by supraliminal and subliminal pentobarbital sodium experiments. Moreover, total scores of the Pittsburgh sleep quality index(PSQI) scale was used to evaluate the changes before and after the treatment with Anshen Dropping Pills in a clinical study. The enrichment analysis based on the relationship between drugs and symptoms verified the rationality of the Anshen Dropping Pills formula, and nine blood-entering components of Anshen Dropping Pills were identified by UPLC-Q-TOF-MS/MS. The network proximity revealed a significant correlation between eight components and insomnia, including magnoflorine, liquiritin, spinosin, quercitrin, jujuboside A, ginsenoside Rb_3, glycyrrhizic acid, and glycyrrhetinic acid. Network pharmacology analysis indicated that the major anti-insomnia pathways of Anshen Dropping Pills involved substance and energy metabolism, neuroprotection, immune system regulation, and endocrine regulation. Seven core genes related to insomnia were identified: APOE, ALB, BDNF, PPARG, INS, TP53, and TNF. In summary, Anshen Dropping Pills could increase sleep episodes, prolong sleep duration, and reduce sleep latency in mice. Clinical study results demonstrated that Anshen Dropping Pills could decrease total scores of PSQI scale. This study reveals the pharmacodynamic basis and potential multi-component, multi-target, and multi-pathway effects of Anshen Dropping Pills, suggesting that its anti-insomnia mechanisms may be associated with the regulation of insomnia-related signaling pathways. These findings offer a theoretical foundation for the clinical application of Anshen Dropping Pills.
Animals
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Drugs, Chinese Herbal/administration & dosage*
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Tandem Mass Spectrometry/methods*
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Sleep Initiation and Maintenance Disorders/metabolism*
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Mice
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Network Pharmacology
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Male
;
Chromatography, High Pressure Liquid
;
Humans
;
Protein Interaction Maps/drug effects*
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Sleep/drug effects*
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Female
;
Adult
4.Study on the efficacy of automatic-controlled pressure cupping for lumbar disc herniation.
Bo-Chen PENG ; Min-Shan FENG ; Li LI ; Gui-Ju REN ; Yi-Zhen YUAN ; Li-Jie CHANG ; Shu-Ying REN ; Liu ZENG ; Guang-Wei LIU ; Li-Guo ZHU ; Na YUAN
China Journal of Orthopaedics and Traumatology 2025;38(11):1133-1138
OBJECTIVE:
To observe the clinical efficacy and safety of automatic pressure-controlled pressure cupping in patients with lumbar disc herniation, and compare it with traditional cupping.
METHODS:
A total of 100 patients diagnosed with lumbar disc herniation from January 2022 to August 2024 were selected and divided into two groups:the automatic pressure-controlled pressure cupping group (controlled pressure cupping group) and the traditional cupping group (control group), 50 cases in each group. In the controlled pressure cupping group, there were 18 males and 32 females, with an age of (51.98±12.69) years;in the control group, there were 16 males and 34 females, with an age of (51.32±12.05) years. The visual analogue scale(VAS), comfort score, and lumbar range of motion were observed before treatment and after the 1st, 3rd, and 7th treatments to evaluate the efficacy and safety.
RESULTS:
All patients completed the treatment intervention, with complete follow-up data collected. No adverse reactions or complications occurred during treatment and follow-up. After the 3rd treatment, the VAS score of the controlled pressure cupping group was (2.38±0.49), which was lower than that of the control group (2.94±0.68), with a statistically significant difference (P<0.001). In the controlled pressure cupping group, the VAS scores after the 1st, 3rd, and 7th treatments were significantly better than those before treatment (P=0.026);in the control group, the VAS scores after the 3rd and 7th treatments were better than those before treatment, but the difference was not statistically significant(P=0.182). Repeated-measures analysis of variance (ANOVA) on VAS scores at different time points in both groups showed that there were statistically significant differences in inter-group, time, and interaction effects (P<0.05). After the 1st treatment, in the controlled pressure cupping group, 0 patients felt comfortable, 42 patients (84%) felt mild discomfort, and 8 patients (16%) felt moderate discomfort;in the control group, 0 patients felt comfortable, 28 patients (56%) felt mild discomfort, and 22 patients(44%) felt moderate discomfort;the difference between the two groups was statistically significant(P=0.005). After the 3rd treatment, in the controlled pressure cupping group, 30 patients(60%) felt comfortable, 20 patients (40%) felt mild discomfort, and 0 patients felt moderate discomfort; in the control group, 9 patients (18%) felt comfortable, 41 patients (82%) felt mild discomfort, and 0 patients felt moderate discomfort;the difference between the two groups was statistically significant(P<0.001). There was no statistically significant difference in comfort between the two groups after the 7th treatment(P>0.001). There was no statistically significant difference in lumbar range of motion between the two groups before and after treatment(P>0.05);compared with before treatment, the lumbar range of motion of both groups after treatment was significantly improved, with statistically significant differences (P<0.001).
CONCLUSION
Automatic pressure-controlled pressure cupping can effectively relieve symptoms in patients with lumbar disc herniation, with excellent safety.
Humans
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Female
;
Male
;
Intervertebral Disc Displacement/physiopathology*
;
Middle Aged
;
Adult
;
Lumbar Vertebrae/physiopathology*
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Cupping Therapy/methods*
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Pressure
;
Aged
;
Treatment Outcome
5.Novel biallelic MCMDC2 variants were associated with meiotic arrest and nonobstructive azoospermia.
Hao-Wei BAI ; Na LI ; Yu-Xiang ZHANG ; Jia-Qiang LUO ; Ru-Hui TIAN ; Peng LI ; Yu-Hua HUANG ; Fu-Rong BAI ; Cun-Zhong DENG ; Fu-Jun ZHAO ; Ren MO ; Ning CHI ; Yu-Chuan ZHOU ; Zheng LI ; Chen-Cheng YAO ; Er-Lei ZHI
Asian Journal of Andrology 2025;27(2):268-275
Nonobstructive azoospermia (NOA), one of the most severe types of male infertility, etiology often remains unclear in most cases. Therefore, this study aimed to detect four biallelic detrimental variants (0.5%) in the minichromosome maintenance domain containing 2 ( MCMDC2 ) genes in 768 NOA patients by whole-exome sequencing (WES). Hematoxylin and eosin (H&E) demonstrated that MCMDC2 deleterious variants caused meiotic arrest in three patients (c.1360G>T, c.1956G>T, and c.685C>T) and hypospermatogenesis in one patient (c.94G>T), as further confirmed through immunofluorescence (IF) staining. The single-cell RNA sequencing data indicated that MCMDC2 was substantially expressed during spermatogenesis. The variants were confirmed as deleterious and responsible for patient infertility through bioinformatics and in vitro experimental analyses. The results revealed four MCMDC2 variants related to NOA, which contributes to the current perception of the function of MCMDC2 in male fertility and presents new perspectives on the genetic etiology of NOA.
Humans
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Male
;
Azoospermia/genetics*
;
Meiosis/genetics*
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Spermatogenesis/genetics*
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Adult
;
Exome Sequencing
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Microtubule-Associated Proteins/genetics*
;
Alleles
;
Infertility, Male/genetics*
6.Structure, content and data standardization of rehabilitation medical records
Yaru YANG ; Zhuoying QIU ; Di CHEN ; Zhongyan WANG ; Meng ZHANG ; Shiyong WU ; Yaoguang ZHANG ; Xiaoxie LIU ; Yanyan YANG ; Bin ZENG ; Mouwang ZHOU ; Yuxiao XIE ; Guangxu XU ; Jiejiao ZHENG ; Mingsheng ZHANG ; Xiangming YE ; Jian YANG ; Na AN ; Yuanjun DONG ; Xiaojia XIN ; Xiangxia REN ; Ye LIU ; Yifan TIAN
Chinese Journal of Rehabilitation Theory and Practice 2025;31(1):21-32
ObjectiveTo elucidate the critical role of rehabilitation medical records (including electronic records) in rehabilitation medicine's clinical practice and management, comprehensively analyzed the structure, core content and data standards of rehabilitation medical records, to develop a standardized medical record data architecture and core dataset suitable for rehabilitation medicine and to explore the application of rehabilitation data in performance evaluation and payment. MethodsBased on the regulatory documents Basic Specifications for Medical Record Writing and Basic Specifications for Electronic Medical Records (Trial) issued by National Health Commission of China, and referencing the World Health Organization (WHO) Family of International Classifications (WHO-FICs) classifications, International Classification of Diseases (ICD-10/ICD-11), International Classification of Functioning, Disability and Health (ICF), and International Classification of Health Interventions (ICHI Beta-3), this study constructed the data architecture, core content and data standards for rehabilitation medical records. Furthermore, it explored the application of rehabilitation record summary sheets (home page) data in rehabilitation medical statistics and payment methods, including Diagnosis-related Groups (DRG), Diagnosis-Intervention Packet (DIP) and Case Mix Index. ResultsThis study proposed a systematic standard framework for rehabilitation medical records, covering key components such as patient demographics, rehabilitation diagnosis, functional assessment, rehabilitation treatment prescriptions, progress evaluations and discharge summaries. The research analyzed the systematic application methods and data standards of ICD-10/ICD-11, ICF and ICHI Beta-3 in the fields of medical record terminology, coding and assessment. Constructing a standardized data structure and data standards for rehabilitation medical records can significantly improve the quality of data reporting based on the medical record summary sheet, thereby enhancing the quality control of rehabilitation services, effectively supporting the optimization of rehabilitation medical insurance payment mechanisms, and contributing to the establishment of rehabilitation medical performance evaluation and payment based on DRG and DIP. ConclusionStructured rehabilitation records and data standardization are crucial tools for quality control in rehabilitation. Systematically applying the three reference classifications of the WHO-FICs, and aligning with national medical record and electronic health record specifications, facilitate the development of a standardized rehabilitation record architecture and core dataset. Standardizing rehabilitation care pathways based on the ICF methodology, and developing ICF- and ICD-11-based rehabilitation assessment tools, auxiliary diagnostic and therapeutic systems, and supporting terminology and coding systems, can effectively enhance the quality of rehabilitation records and enable interoperability and sharing of rehabilitation data with other medical data, ultimately improving the quality and safety of rehabilitation services.
7.Orthostatic hypotension-related serum biomarkers in patients with multiple system atrophy
Jilin CHEN ; Hairong QIAN ; Xiaohui YANG ; Qianyao WANG ; Na REN ; Min LI ; Hua LI
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2025;27(11):1543-1546
Objective To explore the related influencing factors of orthostatic hypotension in patients with multiple system atrophy(MSA).Methods A retrospective study was conducted on 40 elderly MSA patients with orthostatic hypotension(MSA group)admitted to our department from January 2024 to March 2025,and another 46 elderly healthy individuals without orthostatic hypotension who taking physical examination were subjected and served as control group.General clinical data and related clinical indicators were compared between the two groups,and the related serum biomarkers of orthostatic hypotension in MSA patients were analyzed.Results The levels of vitamin D,low-density lipoprotein cholesterol(LDL-C),and uric acid were significantly lower in the MSA group than the control group(P<0.05,P<0.01).Multivariate logistic regression analysis showed that vitamin D,LDL-C,and uric acid levels were risk factors for the occurrence of orthostatic hypotension in MSA patients(OR=0.677,95%CI:0.530-0.864,P<0.01;OR=0.057,95%CI:0.007-0.434,P<0.01;OR=0.972,95%CI:0.954-0.992,P<0.01).ROC curve analysis indicated that the optimal cut-off value of vitamin D,LDL-C,and uric acid levels in predicting the occurrence of orthostatic hypotension in MSA patients was 21.850 μg/L,2.895 mmol/L,and 274.500 μmol/L,the sensitivity was 0.848,0.630 and 0.783,and the specificity was 0.792,0.750 and 0.667,and the AUC value was 0.862,0.683 and 0.748,respectively.Conclusion Monitoring serum biomarkers,such as vitamin D,LDL-C,and uric acid may be helpful for the risk assessment and management of orthostatic hypotension in MSA patients.
8.Exploration and practice of a refined management model in the operating room:a case study of a terti-ary hospital
Zixia WAN ; Na REN ; Mingwei WU ; Qichao DONG ; Yan ZHOU ; Yi ZHANG ; Jiawei ZHOU ; Qiaohong ZHAO ; Fen QIAN ; Mubiao LIU
Modern Hospital 2025;25(8):1214-1218
Objective To develop a refined management model for operating rooms and assess its clinical impact on op-erational efficiency and cost control.Methods The study included 10,728 elective surgeries from January to June 2024 as the study group and 9 414 elective surgeries from January to June 2023 as the control group.The differences in operational metrics before and after implementing the refined management model were compared.The model was developed through comprehensive management by hospital leadership and multi-department collaboration,focusing on management structure,systems,processes,information technology,and resource allocation.Results In terms of efficiency,the on-time start rate of the first surgeries in the study group was significantly higher than in the control group(P<0.05).The turnover time between surgeries was shorter in the study group(P<0.01),and the rate of unexpected surgery cancellations was lower(P<0.01).The average cost per surgery for consumables,excluding the impact of centralized procurement of consumables,was approximately 971 yuan,representing an 11% reduction compared to the previous year,despite a 14% increase in surgical volume.The average daily operating cost per operating room was about 12 303 yuan,a 7% reduction.Economic benefits increased by 8.43 million yuan,a 38% year-on-year increase.Conclusion Implementing a refined management model in operating rooms can significantly enhance efficiency,re-duce costs,and achieve dual improvements in social and economic benefits.
9.Research on the evaluation index system of department-level operation of public hospitals from the per-spective of high-quality development
Jiawei ZHOU ; Yan ZHOU ; Yating ZHU ; Qin FANG ; Juan GUO ; Na REN
Modern Hospital 2025;25(9):1347-1351
Objective This study aims to improve the evaluation index system for the operation of department levels in tertiary public hospitals,strengthen process management,and promote the comprehensive reform and high-quality development of public hospitals.Methods Through literature retrieval and theoretical analysis,a framework for the evaluation index system of department-level operation in tertiary general public hospitals was constructed,and evaluation indicators were initially proposed.Based on the Delphi method,a systematic sorting and adjustment of the evaluation indicators for department-level operation in public hospitals were carried out,and the evaluation index system was finally established.Results The response rates and effec-tive rates of the two rounds of questionnaires using the Delphi method were 90.00%and 83.33%,respectively.The authority co-efficient was 0.8,and the differences in coordination coefficients were statistically significant.The indicators passed the consis-tency test,and the final evaluation index system was composed of 5 first-level indicators,14 second-level indicators,and 43 third-level indicators.Conclusion The evaluation indicators for the operation of department levels in tertiary general public hos-pitals are conducive to guiding hospitals to improve their internal management level and providing support for the implementation of the high-quality development strategy of public hospitals.
10.Effects of 1,25-dihydroxyvitamin D 3 and Lactobacillus plantarum on metabolic dysfunction-associated fatty liver disease by regulating intestinal flora
Hongqia HUANG ; Na LIU ; Xiaowei ZHANG ; Lu REN ; Xiaotian LI
Chinese Journal of Clinical Nutrition 2025;33(3):191-199
Objective:To investigate the impacts of 1,25-dihydroxyvitamin D 3 (VD) and Lactobacillus plantarum (LP) on intestinal flora in animals with metabolic dysfunction-associated fatty liver disease (MAFLD) and their possible mechanisms. Methods:A methionine- choline-deficient (MCD) diet-induced rat model of MAFLD was created. Forty 10-week-old male Sprague-Dawley rats were randomized into methionine-choline-sufficient (MCS) group, MCD group, VD group, LP group, and VD-LP group, with 8 rats in each group. The intervention groups (VD group, LP group, and VD-LP group) were gastrically fed with VD peanut oil solution (6 ng/100 g daily), Lactobacillus plantarum solution (2×10 9CFU/100 g daily), and a combination of these two solutions, respectively. MCS group, MCD group, and LP group were given the same volume of peanut oil on a daily basis. Fecal samples from rats were collected at week 4 and analyzed using 16S rRNA gene sequencing for fecal flora structure. Portal vein blood samples were collected to detect liver biochemistry and lipopolysaccharide (LPS) levels. Pathological changes in liver and terminal ileum tissues were observed using hematoxylin and eosin (H&E) staining. Results:Compared with the MCS group, the MCD group exhibited massive steatosis and lipid infiltration in liver tissues, markedly thinned ileum mucosa, severely damaged villi structure, excessive necrotic and shedding of epithelial cells, and infiltration of inflammatory cells. Compared with the histopathological changes in the MCD group, the steatosis and lipid infiltration of liver tissue, the damage to the ileal mucosa structure and epithelial cells, and the infiltration of inflammatory cells were alleviated in the VD group, LP group, and VD-LP group. Compared with MCS group, the MCD group had significantly higher serum alanine aminotransferase (ALT) (158.50±14.03 U/L vs. 20.38±7.39 U/L), aspartate aminotransferase (AST) (43.88±11.36 U/L vs. 25.75±5.90 U/L), total bile acid (TBA) (140.60±11.77 μmol/L vs. 19.96±4.31 μmol/L), and LPS (16.57±1.19 pg/ml vs. 7.43±0.95 pg/ml) (All P<0.001),which confirmed the successful establishment of rat models of MAFLD. Serum ALT, AST, TBA, and LPS levels in all the three intervention groups were significantly lower than those in MCD group, and the most significant reductions in ALT (51.38±9.05 U/L vs. 158.50±14.03 U/L), AST (55.88±12.19 U/L vs. 143.88±11.36 U/L), TBA (21.00±8.17 μmol/L vs. 140.60±11.77 μmol/L), and LPS (9.72±0.71 pg/ml vs. 16.57±1.19 pg/ml) were seen in the VD-LP group. The microbiota in the MCD group predominantly featured Muribaculaceae, while the MCS group and other intervention groups primarily harbored Lactobacillus. Firmicutes and Lactobacillus were significantly decreased in the MCD group ,while Bacteroidete, Proteobacteria, Verrucomicrobiota, Prevotellaceae UCG-003, Escherichia coli, Bacteroides, and Enterococcus increased significantly. The opposite was true for each intervention group. There were significant differences in Lactobacillus between MCD group and the other four groups. Conclusion:VD and LP can remarkably improve lipid deposition in MAFLD by regulating intestinal flora.

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