1.Influencing factors for calcium salt deposition in patients with alveolar echinococcosis
Zitong XIONG ; Zhiyi LIN ; Yanxin HUANG ; Fuzhong FANG ; Zhengzhan WU ; Zirui XIN ; Chunxia HU ; Jiayu ZHOU ; Yuan YAO ; Hongwei ZHANG
Journal of Clinical Hepatology 2026;42(2):372-379
ObjectiveTo investigate the imaging features of calcium salt deposition and serological markers in patients with alveolar echinococcosis through a retrospective analysis, as well as independent risk factors for the degree of calcium salt deposition in lesions, and to provide a basis for assessing disease process. MethodsA retrospective analysis was performed for the imaging and clinical data of 107 patients with alveolar echinococcosis who were admitted to The First Affiliated Hospital of Shihezi University from December 2023 to June 2025, and according to the volume of calcium salt deposition, they were divided into non-deposition group with 16 patients, mild deposition group with 52 patients, moderate deposition group with 16 patients, and severe deposition group with 23 patients. A one-way analysis of variance or the Kruskal-Wallis H test was used for comparison of continuous data between groups, and the χ2 test or Fisher’s exact test was used for comparison of categorical data between groups. The four groups were further combined into the low deposition group (no/mild deposition) and the high deposition group (moderate/severe deposition). A binary logistic regression analysis was used to investigate the independent influencing factors for calcium salt deposition, and a predictive model was established. The receiver operating characteristic (ROC) curve was used to assess the predictive performance of the model, and the Bootstrap method was used for internal validation. ResultsThere were significant differences between the four groups in sex distribution, involvement of other sites, white blood cell count, lymphocyte percentage, fibrinogen, uric acid, sodium ion, chloride ion, and calcium ion (all P<0.05). The univariate analysis showed that there were significant differences between the four groups in sex, involvement of other sites, white blood cell count, lymphocyte percentage, fibrinogen, alanine aminotransferase, albumin, creatinine, uric acid, sodium ion, chloride ion, and calcium ion (all P<0.1). The multi-collinearity diagnosis showed that the VIF values for all continuous variables ranged from 1.104 to 1.760, suggesting that collinearity did not affect modeling. An ordinal logistic regression model was established based on sex, involvement of other sites, calcium ion, lymphocyte percentage, and uric acid. The multivariate analysis showed that lymphocyte percentage (odds ratio [OR]=1.106, 95% confidence interval [CI]: 1.041 — 1.174, P=0.001) and blood calcium level (OR=0.005, 95%CI: 0.000 —0.230, P=0.007) were independent influencing factors for the degree of calcium salt deposition. The regression equation was established as Logit(P)=8.231 + 0.100 × lymphocyte percentage -5.344 × calcium ion. The ROC curve analysis showed that the model had an area under the ROC curve of 0.716, with a Youden index of 0.353, a sensitivity of 1.000, and a specificity of 0.353. The Hosmer-Lemeshow test showed that the model had poor calibration (χ2=20.688, P=0.008). The Bootstrap method with 1000 repeated samples showed that the estimated values of lymphocyte percentage (OR=1.106, 95%CI: 1.049 — 1.186, P=0.002) and calcium ion (OR=0.005, 95%CI: 0.000 — 0.214, P=0.010) were consistent with the original model, and the confidence intervals did not include 1, which further supported the reliability of the model. ConclusionBoth lymphocyte percentage and blood calcium level are independent influencing factors for calcium salt deposition in alveolar echinococcosis, and the degree of calcium salt deposition in alveolar echinococcosis lesions increases with the reduction in blood calcium level and the increase in lymphocyte percentage.
2.Expert consensus on the clinical application of parenteral direct thrombin inhibitors in special populations
Xin YAO ; Yuan BIAN ; Lizhu HAN ; Qinan YIN ; Yang LEI ; Zimeng WAN ; Luyao HUANG ; Danjie ZHAO ; Yu YAN ; Qin LI ; Baorong HU
China Pharmacy 2026;37(8):965-975
OBJECTIVE To form an expert consensus addressing clinical issues regarding the use of parenteral direct thrombin inhibitors (DTIs) in special populations. METHODS Led by the Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital(the Affiliated Hospital of UESTC), a multidisciplinary working group was formed comprising experts from multiple fields, including clinical pharmacy, cardiac surgery, obstetrics, pediatrics and evidence-based medicine. Through literature review and the Delphi method, clinical questions regarding the efficacy and safety of parenteral DTIs used in special populations were identified. A structured design was adopted using the “Population-Intervention-Comparison-Outcome” (PICO) framework;systematic searches were conducted in CJFD, PubMed, Embase and other databases. Relevant evidence from randomized controlled trials,cohort studies and systematic reviews were included and synthesized. Evidence quality was assessed using the Grading of Recommendations Assessment,Development and Evaluation (GRADE) approach, and recommendations were formulated through three rounds of Delphi surveys and expert consensus meetings. RESULTS &CONCLUSIONS Seven clinical questions were ultimately selected (with a consensus rate exceeding 90%), resulting in the formulation of seven recommendations on the use of parenteral DTIs in special populations, including children, pregnant women, patients with hepatic or renal impairment, patients with mesenteric venous thrombosis, and individuals with thrombophilia. These recommendations clarify the preferred agents, dosing ranges, monitoring parameters, and safety management strategies for parenteral DTIs in these special populations. This expert consensus, which is formulated based on the best available evidence, provides evidence-based guidance for standardized and individualized use of parenteral DTIs in special populations.
3.Textual Analysis of Relevant Policies on Children's Medicines in China Based on the Perspective of Policy Tools
Xin LU ; Yong YANG ; Jian HUANG ; Xueguo XIAN ; Zhengrong YAO
Herald of Medicine 2025;44(6):1010-1016
Objective To analyse China's policies related to children's medicines based on the perspective of policy tools,explore their multidimensional characteristics,and provide reference for the formulation and optimisation of China's policies related to children's medicines.Methods A two-dimensional analysis framework of policy tools-policy objectives was constructed,and the policies related to children's medicines issued at the national level from 2011 to 2023 were selected,and the policy texts were coded,classified and statistically analysed.Results Thirty-five policy texts were included and 117 units of analysis were obtained through coding.Of these,52.14%were environment-based policies,38.46%were supply-based policies and 9.40%were demand-based policies.The policy objectives were categorised as ensuring the safety of medicines for children,improving the level of paediatric diagnosis and treatment and increasing the accessibility of medicines for children,and the policy instruments applied to the above policy objectives accounted for 35.7%,13.5%and 50.8%respectively.Conclusion The distribution of policy instruments is not reasonable,the structure of policy objectives is unbalanced,environmental policy instruments dominate and demand-oriented policy instruments are missing.
4.Application value of risk prediction model for acute kidney injury after donation of cardiac death liver transplantation based on machine learning algorithm
Guanrong CHEN ; Jinyan CHEN ; Xin HU ; Ronggao CHEN ; Yingchen HUANG ; Yao JIANG ; Zhongzhou SI ; Jiayin YANG ; Jinzhen CAI ; Li ZHUANG ; Zhicheng ZHOU ; Shusen ZHENG ; Xiao XU
Chinese Journal of Digestive Surgery 2025;24(2):236-248
Objective:To investigate the application value of risk prediction model for acute kidney injury (AKI) after donation of cardiac death (DCD) liver transplantation based on machine learning algorithm.Methods:The retrospective cohort study was conducted. The clinicopathological data of 1 001 pairs of DCD liver transplant donors and recipients at five hospitals, including The First Affiliated Hospital of Zhejiang University School of Medicine et al, in the Chinese Liver Transplan-tation Registry from January 2015 to December 2023 were collected. Of the donors, there were 825 males and 176 females. Of the recipients, there were 806 males and 195 females, aged 52 (range, 18-75)years. There were 281 recipients included using oversampling technique, and all 1 282 recipients were divided to the training set of 897 recipients and the validation set of 385 recipients by a ratio of 7∶3 using computer-generated random numbers. Seven prediction models, including Random Forest (RF), Extreme Gradient Boosting (XGBoost), Support Vector Machine (SVM), Logistic Regression (LR), Decision Tree (DT), K-Nearest Neighbors (KNN), and Categorical Boosting (CatBoost), were constructed for AKI after liver transplantation based on machine learning algorithm. Observation indicators: (1) comparison of clinicopathological characteristics between recipients with and without AKI and donors; (2) follow-up and survival of recipients with and without AKI; (3) construction and validation of nomogram prediction model of AKI after liver transplantation; (4) construction and validation of machine learning prediction model of AKI after liver transplantation. Comparison of measurement data with normal distribution between groups was conducted using the independent sample t test. Comparison of measurement data with skewed distribution between groups was conducted using the Mann-Whitney U test, and comparison among groups was conducted using the Kruskal-Wallis H test. Comparison of count data between groups was conducted using the chi-square test or corrected chi-square test. Kaplan-Meier method was used to calculate survival rates and plot survival curves. Logistic regression model was performed for univariate and multivariate analyses. The receiver operating characteristic (ROC) curve was plotted to calculate area under curve (AUC) and 95% confidence interval ( CI). The performance of prediction model was evaluated using DeLong test, accuracy, sensitivity, specificity. The calibration curve was plotted to evaluate the performance of predicted probability and actual probability. The interpretability analysis of machine learning algorithm and SHapley Additive exPlanations was used to explain the model decision separately. Results:(1) Comparison of clinicopathological characteristics between recipients with and without AKI and donors. Of 1 001 recipients, there were 360 cases with AKI and 641 cases without AKI after liver transplantation. There were significant differences in body mass index (BMI), hepatic encepha-lopathy, hepatitis B surfact antigen (HBsAg), hepatorenal syndrome (HRS) and donor diabetes, donor blood urea nitrogen, donor alanine aminotransferase, donor aspartate aminotransferase, mass of graft, volume of blood loss during liver transplantation, warm ischema time of donor liver, and operation time between recipients with and without AKI ( Z=-4.337, χ2=9.751, 9.088, H=11.142, χ2=5.286, Z=-3.360, -2.539, -3.084, -1.730, -3.497, -1.996, -2.644, P<0.05). (2) Follow-up and survival of recipients with and without AKI. All the 1 001 recipients received follow-up. The recipients with AKI after liver transplantation were followed up for 18.6(range, 0-102.3)months, and recipients without AKI after liver transplantation were followed up for 31.9(range, 0.1-105.5)months. The 1-, 3-, and 5-year overall survival rates were 72.1%, 63.5%, and 59.3% of recipients with AKI, versus 86.7%, 76.7%, and 72.5% of recipients without AKI, respectively, showing a significant difference in overall survival between them ( χ2=26.028, P<0.05). (3) Construction and validation of nomogram predic-tion model of AKI after liver transplantation. Results of multivariate analysis showed that recipient BMI, recipient creatinine, recipient HBsAg, recipient HRS, donor blood urea nitrogen, donor crea-tinine, anhepatic phase and volume of blood loss during liver transplantation were independent risk factors for AKI of recipients after liver transplantation ( odds ratio=1.113, 0.998, 0.605, 1.580, 1.047, 0.998, 1.006, 1.157, 95% CI as 1.070-1.157, 0.996-1.000, 0.450-0.812, 1.021-2.070, 1.021-1.074, 0.996-0.999, 1.000-1.012, 1.045-1.281, P<0.05). The nomogram prediction model of AKI after liver transplantation was constructed based on the results of multivariate analysis. Results of ROC curve showed that the AUC of 0.666 (95% CI as 0.637-0.696). (4) Construction and validation of machine learning prediction model of AKI after liver transplantation. Based on the Lasso regression analysis, seven machine learning algorithm prediction models, including RF, XGBoost, SVM, LR, DT, KNN, and CatBoost, were constructed, with ROC curves of the validation set plotted. The AUC of above models were 0.863, 0.841, 0.721, 0.637, 0.620, 0.708, 0.731, accuracies were 0.764, 0.782, 0.701, 0.592, 0.605, 0.605, 0.681, sensitivities were 0.764, 0.789, 0.719, 0.588, 0.694, 0.694, 0.704, specificities were 0.763, 0.774, 0.683, 0.597, 0.511, 0.511, 0.656, respectively. Delong test showed that the RF model with the highest AUC of 0.863(95% CI as 0.828-0.899). Calibration curve analysis showed the predicted probability closest to the actual probability of RF model, indicating the model with a good validation value. Further sorting of SHAP of different clinical factors based on RF model showed that recipient BMI, donor blood urea nitrogen, volume of blood loss during liver transplantation, donor age had large effects on the output outcomes. Conclusion:The nomogram prediction model and seven machine learning algorithm prediction models for AKI after DCD liver transplantation are constructed, and the RF model based on machine learning has a better predictive performance.
5.Alterations in striatal functional connectivity in schizophrenia patients with predominant negative symptoms
Yao ZHNAG ; Qin-yu LYU ; Xin-xin HUANG ; Chong-ze WANG ; Qi YAN ; Pei-juan WANG ; Zheng-hui YI
Fudan University Journal of Medical Sciences 2025;52(4):492-499
(rsFC)and their relationship with negative symptoms in schizophrenia patients with predominant negative symptoms(PNS).Methods Fifty-four schizophrenia patients with PNS and sixty-one healthy controls underwent resting-state functional magnetic resonance imaging(fMRI)scans.Data were collected on general demographic information,the Positive and Negative Syndrome Scale(PANSS),the Scale for the Assessment of Negative Symptoms(SANS),and the Temporal Experience of Pleasure Scale(TEPS).Twelve striatal subregions were selected as regions of interest(ROIs)to analyze the rsFC between each ROI and whole-brain voxels.The rsFC values of areas with significant differences were extracted for Pearson correlation analysis with negative symptoms.Results Compared with healthy controls,schizophrenia patients with PNS exhibited decreased rsFC between the right dorsal caudal putamen(DCP)and right insula,left middle frontal gyrus(MFG),right median cingulate and paracingulate gyri(MCC);between the left DCP and right putamen,left insula,left MFG;between the right dorsal rostral putamen(DRP)and bilateral MFG,left insula,right MCC;between the left DRP and right insula,left rolandic operculum;between the right ventral rostral putamen(VRP)and bilateral putamen,left MFG,right MCC;between the left VRP and right insula,left putamen,bilateral MFG,right MCC,left inferior parietal gyrus,excluding supramarginal and angular gyri.Decreased rsFC was also observed between the left ventral caudate/nucleus accumbens(inferior)and right insula,left anterior cingulate cortex,supracallosal,bilateral precuneus(a threshold of P<0.001 in voxel-level with P<0.05 in cluster-lever,corrected for family-wise error,PFWE<0.05/12=0.004).No regions showed increased rsFC in schizophrenia patients with PNS relative to healthy controls.And no significant correlations were found between striatal rsFC and negative symptoms(PBonferroni>0.05).Conclusion Schizophrenia patients with PNS exhibited widespread cortical-striatal functional connectivity abnormalities,particularly reduced rsFC between the putamen and the MFG,MCC and insula.
6.Regulation of ATF6 on ZEA-induced injury of murine luteinized granulosa cell
Xingyao XIAO ; Tao HUANG ; Li CHEN ; Xiaochuan LONG ; Yao WU ; Xiayu MIN ; Can LUO ; Jin OU ; Xin WEN
Chinese Journal of Veterinary Science 2025;45(10):2231-2238
This study examines the effects of zearalenone(ZEA)on the survival and function of lu-teinized granulosa cells,and studies the role of activating transcription factor 6(ATF6)in regula-ting apoptosis and functional abnormalities of luteinized granulosa cells induced by ZEA.An in vitro model of luteinized granulosa cells was utilized to examine the effects of ZEA treatment on apoptosis,hormone secretion,and the expression of relevant proteins.Furthermore,the expression of ATF6 was manipulated using siRNA to elucidate its regulatory function in the ZEA-induced damage of luteinized granulosa cells in mice.Our findings revealed that ZEA inhibited the activity of luteinized granulosa cells and reduced the secretion of estradiol(E2)and progesterone(P4)in a dose-dependent manner.The expression levels of p-IRE1,ATF6 and StAR in both low(20 pmol/L)and high(40 μmol/L)ZEA groups were significantly increased after 24 h(P<0.05).GRP78 had no significant change at low concentration treatment(P>0.05),but significantly increased at high concentration treatment(P<0.05).Similarly,ATF4 and p-EIF2α had no significant change at low concentration treatment(P>0.05),but significantly decreased at high concentration treat-ment(P<0.05).HSD3B2 and CYP19A1 were significantly decreased in both low and high concentration treatments(P<0.05).After 48 h of treatment,ATF6 and GRP78 were significantly increased in both low and high concentration treatments(P<0.05).p-IRE1 was significantly de-creased at low concentration treatment(P<0.05),but remained unchanged at high concentration treatment(P>0.05).ATF4,p-EIF2α,HSD3B2 and CYP19A1 were significantly decreased in both low and high concentration treatments(P<0.05).St AR was significantly increased in both low and high concentration treatments(P<0.05).Interference with the expression of ATF6 could sig-nificantly reduce the apoptosis induced by low concentration group(P<0.05),and enhanced the hormone secretion in both high and low concentration groups(P<0.05).In conclusion,ZEA can cause damage to luteinized granulosa cells and activate ATF6 signaling pathway.Interference with ATF6 can alleviate apoptosis and hormone secretion disturbance induced by low concentration ZEA,but has limited effect on damage caused by high concentration ZEA.
7.Effects of PTGS2 knockdown in nasopharyngeal carcinoma treatment by inhibiting tumor-associated macrophage M2 polarization
Chen YAO ; Xin HUANG ; Gang LI ; Zengpei LI ; Zheng LI
Journal of China Medical University 2025;54(7):613-618
Objective To investigate the effect of PTGS2 knockdown on tumor-associated macrophage(TAM)M2 polarization in the treatment of nasopharyngeal carcinoma(NPC).Methods Adenovirus-mediated knockdown of PTGS2 was performed in primary NPC cells.A co-culture system of primary NPC cells and TAMs and a mixed three-dimensional(3D)co-culture of primary NPC cells,TAMs,and human CD8+T cells were established in vitro.The control,Adv-PTGS2 shRNA,and Adv-shRNA NT groups were subjected to in vitro and in vivo experiments.In the co-culture system of primary NPC cells and TAMs,IL-12,IL-10,and TGF-βlevels in the culture superna-tants were determined using the ELISA.MMP-2 and MMP-9 expression levels in primary NPC were determined using Western blotting.In the mixed culture system of the three types of cells,cell viability was measured using the CCK-8 method.IFN-γand GZMBmRNA levels were determined using qPCR.The three types of cell-mixed cultures were injected subcutaneously into xenografts,and tumor growth was monitored for 21 d.Results Compared with control group,IL-12 levels increased and IL-10 and TGF-βlevels decreased in the culture supernatant of Adv-PTGS2 shRNA cells(P<0.05).MMP-2 and MMP-9 expression levels in primary NPC decreased(P<0.05).Com-pared with the control group,CD8+T cell proliferation ability and relative IFN-γand GZMBmRNA expression levels increased(P<0.05 for both experiments)in the Adv-PTGS2 shRNA cells.Compared with the control group,the Adv-PTGS2 shRNA group showed slower tumor growth(P<0.05)and lower tumor mass(P<0.05)in in vivo xenografts.Conclusion PTGS2knockdown inhibited TAM M2 pola-rization,regulated the immune-hot state in the tumor microenvironment,and inhibited NPC growth.
8.Effect of Yuxuebi Tablets on mice with inflammatory pain based on GPR37-mediated inflammation resolution.
Ying LIU ; Guo-Xin ZHANG ; Xue-Min YAO ; Wen-Li WANG ; Ao-Qing HUANG ; Hai-Ping WANG ; Chun-Yan ZHU ; Na LIN
China Journal of Chinese Materia Medica 2025;50(1):178-186
In order to investigate whether the effect of Yuxuebi Tablets on the peripheral and central inflammation resolution of mice with inflammatory pain is related to their regulation of G protein-coupled receptor 37(GPR37), an inflammatory pain model was established by injecting complete Freund's adjuvant(CFA) into the paws of mice, with a sham-operated group receiving a similar volume of normal saline. The mice were assigned randomly to the sham-operated group, model group, ibuprofen group(91 mg·kg~(-1)), and low-, medium-, and high-dose groups of Yuxuebi Tablets(60, 120, and 240 mg·kg~(-1)). The drug was administered orally from days 1 to 19 after modeling. Von Frey method and the hot plate test were used to detect mechanical pain thresholds and heat hyperalgesia. The levels of interleukin-10(IL-10) and transforming growth factor-beta(TGF-β) in the spinal cord were quantified using enzyme-linked immunosorbent assay(ELISA), and the mRNA and protein expression of GPR37 in the spinal cord was measured by real-time quantitative reverse transcription PCR(qRT-PCR) and Western blot. Additionally, immunofluorescence was used to detect the expression of macrosialin antigen(CD68), mannose receptor(MRC1 or CD206), and GPR37 in dorsal root ganglia, as well as the expression of calcium-binding adapter molecule 1(IBA1), CD206, and GPR37 in the dorsal horn of the spinal cord. The results showed that compared with those of the sham-operated group, the mechanical pain thresholds and hot withdrawal latency of the model group significantly declined, and the expression of CD68 in the dorsal root ganglia and the expression of IBA1 in the dorsal horn of the spinal cord significantly increased. The expression of CD206 and GPR37 significantly decreased in the dorsal root ganglion and dorsal horn of the spinal cord, and IL-10 and TGF-β levels in the spinal cord were significantly decreased. Compared with those of the model group, the mechanical pain thresholds and hot withdrawal latency of the high-dose group of Yuxuebi Tablets significantly increased, and the expression of CD68 in the dorsal root ganglion and IBA1 in the dorsal horn of the spinal cord significantly decreased. The expression of CD206 and GPR37 in the dorsal root ganglion and dorsal horn of the spinal cord significantly increased, as well as IL-10 and TGF-β levels in the spinal cord. These findings indicated that Yuxuebi Tablets may reduce macrophage(microglial) infiltration and foster M2 macrophage polarization by enhancing GPR37 expression in the dorsal root ganglia and dorsal horn of the spinal cord of CFA-induced mice, so as to improve IL-10 and TGF-β levels, promote resolution of both peripheral and central inflammation, and play analgesic effects.
Inflammation/genetics*
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Pain/genetics*
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Drugs, Chinese Herbal/administration & dosage*
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Animals
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Mice
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Freund's Adjuvant/pharmacology*
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Ibuprofen
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Pain Threshold/drug effects*
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Hyperalgesia/genetics*
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Ganglia, Spinal
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Interleukin-10/genetics*
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Transforming Growth Factor beta/genetics*
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Reverse Transcriptase Polymerase Chain Reaction
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Tablets
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Receptors, G-Protein-Coupled
9.Exploration of differences in decoction phase state, material form, and crystal form between Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum and Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O based on supramolecules of traditional Chinese medicine.
Yao-Zhi ZHANG ; Wen-Min PI ; Xin-Ru TAN ; Ran XU ; Xu WANG ; Ming-Yang XU ; Xue-Mei HUANG ; Peng-Long WANG
China Journal of Chinese Materia Medica 2025;50(2):412-421
With Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum drug pair as the research object, supramolecular chemistry of traditional Chinese medicine(TCM) was used to study differences between the compatibility of herbal medicine Glycyrrhizae Radix et Rhizoma with mineral medicine Gypsum Fibrosum and its main component CaSO_4·2H_2O, so as to preliminarily discuss the scientific connotation of compatibility of Gypsum Fibrosum in clinical application. A Malvern particle sizer, a scanning electron microscope(SEM), and a conductivity meter were used to observe and determine the physical properties such as microscopic morphology, particle size, and conductivity of Gypsum Fibrosum, CaSO_4·2H_2O, and water decoctions of them with Glycyrrhizae Radix et Rhizoma. An inductively coupled plasma optical emission spectrometer(ICP-OES) was employed to detect the inorganic metal elements in Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum and Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O. Isothermal titration calorimetry(ITC) was conducted to quantify the interactions of Gypsum Fibrosum and CaSO_4·2H_2O with Glycyrrhizae Radix et Rhizoma. A Fourier transform infrared spectrometer(FTIR) was used to analyze the characteristic absorption peak change of Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum and Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O. X-ray diffraction(XRD) was performed to determine the crystal structure and phase composition of Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum and Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O. Further, glycyrrhizic acid(GA) was substituted for Glycyrrhizae Radix et Rhizoma to co-decoct with Gypsum Fibrosum, CaSO_4·2H_2O, and freeze-dried powder of their respective water decoctions. The results of XRD were used for verification analysis. The results showed that although CaSO_4·2H_2O is the main component of Gypsum Fibrosum, there were significant differences between their decoctions and between the decoctions of them with Glycyrrhizae Radix et Rhizoma. Specifically,(1) Both CaSO_4·2H_2O and Gypsum Fibrosum were amorphous fibrous. However, the particle size and conductivity were significantly different between the decoctions of CaSO_4·2H_2O and Gypsum Fibrosum alone.(2) Under SEM, Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O was a hybrid system with various morphologies, while Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum presented uniform nanoparticles.(3) The particle sizes and conductivities of Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O and Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum were significantly different and did not follow the same tendency as those of the decoctions of CaSO_4·2H_2O and Gypsum Fibrosum alone.(4) Compared with Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O, Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum had stronger molecular binding ability and functional group structure change.(5) The crystal form was largely different between the freeze-dried powder of CaSO_4·2H_2O decoction and Gypsum Fibrosum decoction, and their crystal forms were also significantly different from those of the freeze-dried powder of Glycyrrhizae Radix et Rhizoma-CaSO_4·2H_2O and Glycyrrhizae Radix et Rhizoma-Gypsum Fibrosum decoctions. The reason for the series of differences is that Gypsum Fibrosum is richer in trace elements than CaSO_4·2H_2O. The XRD results of GA-Gypsum Fibrosum and GA-CaSO_4·2H_2O decoctions further prove the importance of trace elements in Gypsum Fibrosum for supramolecule formation. This research preliminarily reveals the influence of compatibility of Gypsum Fibrosum or CaSO_4·2H_2O on decoction phase state, material form, and crystal form, providing a basis for the rational clinical application of Gypsum Fibrosum.
Drugs, Chinese Herbal/chemistry*
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Calcium Sulfate/chemistry*
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Glycyrrhiza/chemistry*
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Crystallization
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Particle Size
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Medicine, Chinese Traditional
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Rhizome/chemistry*
10.Toxic Components, Toxicity Mechanisms, Toxicity Attenuation Measures, and Evaluation Methods of Renal Injury-inducing Chinese Medicine
Xin HUANG ; Lujin ZHANG ; Mingsan MIAO ; Can WANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(11):295-304
ObjectiveWe reviewed the existing experimental studies about renal injury-inducing Chinese medicine and systematically analyzed the toxicity mechanisms, toxic components, toxicity attenuation measures, and modern evaluation methods of renal injury-inducing Chinese medicine. The results are expected to provide new ideas for the modern research on kidney injury-inducing Chinese medicine, offer new breakthrough points for the toxicity attenuation of Chinese medicine by compatibility and processing, and give insights into the future research of Chinese medicine toxicology on the basis of ensuring the safety and scientific application of Chinese medicine. MethodsThe animal, cell, and clinical studies of kidney injury-inducing Chinese medicine were retrieved from CNKI, Wanfang Data, VIP, PubMed, and Web of Science. The names and toxic components of renal injury-inducing Chinese medicine, renal injury sites, toxicity mechanisms, toxicity attenuation measures, and related evaluation methods were summarized. ResultsThe toxicity mechanisms of kidney injury-inducing Chinese medicine mainly involved oxidative stress, endoplasmic reticulum stress, inflammatory cell infiltration, and organic anion transporters. Processing and compatibility were the main toxicity attenuation measures. The evaluation methods encompassed animal experiments, cell models, network pharmacology, metabolomics, toxicology genomics, and fluorescent probe technology. ConclusionAt present, the toxicological verification of kidney injury-inducing Chinese medicine starts from toxic components and combines various experimental methods, which is more comprehensive and systematic than the previous studies based on only animal experiments. According to the classical theories of traditional Chinese medicine, the toxicity of kidney injury-inducing Chinese medicine is mainly attenuated by decocting in water, steaming, and frying. With the progress of science and technology, new processing methods for toxicity attenuation are emerging, and structural transformation, fermentation, and microwave methods are the key research directions of toxicity attenuation of Chinese medicine in recent years.

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