1.Research progress on the mechanism of action and clinical application of Shenqi dihuang decoction in the treatment of diabetic nephropathy
Jiajie LI ; Jiaqi WANG ; Jie ZHAO ; Zezhu LI ; Yaping WANG ; Guirong ZHANG ; Heguo YAN ; Jiabao LIAO ; Weibo WEN
China Pharmacy 2026;37(8):1085-1091
Diabetic nephropathy(DN) is a common and severe microvascular complication of diabetes. In recent years, the classical herbal formula Shenqi dihuang decoction has demonstrated unique advantages in the clinical treatment of DN. This article conducts a systematic review of the mechanisms of action and clinical applications of Shenqi dihuang decoction in the treatment of DN. It reveals that the mechanism by which this formula improves DN involves multi-target synergistic regulation. For instance, Shenqi dihuang decoction exerts multiple pharmacological effects by regulating signaling pathways including phosphatidy linostiol 3-kinase/protein kinase B, AMP-activated protein kinase/silent information regulator 1/forkhead box O1, and nuclear factor erythroid 2-related factor 2/heme oxygenase-1 pathways.These effects include regulating glucose and lipid metabolism, inhibiting oxidative stress, reducing inflammation, improving insulin resistance, modulating cell death (apoptosis/autophagy/ferroptosis/pyroptosis), and preventing renal fibrosis. Existing clinical studies indicate that Shenqi dihuang decoction and its modified formulas, alone or in combination with other therapeutic methods, can significantly improve glucose and lipid metabolism, reduce proteinuria, and delay renal function decline in patients with DN. These effects are superior to those of Western medicines such as irbesartan, valsartan, and empagliflozin, and the treatment demonstrates good safety. Future research should leverage systems biology and artificial intelligence technologies to further elucidate the integrated mechanisms in the treatment of DN by Shenqi dihuang decoction, thereby advancing the precision and standardization of its clinical application.
2.Efficacy and safety of pegylated interferon α-2b in treatment of patients with hepatitis B virus-related compensated liver cirrhosis: A real-world study
Yan WANG ; Lihong LI ; Anna WANG ; Jing WEN ; Jie YANG ; Yinong FENG ; Ye ZHANG ; Qianhui WANG
Journal of Clinical Hepatology 2026;42(7):1597-1606
ObjectiveTo investigate the antiviral efficacy of pegylated interferon α-2b (PEG-IFN-α-2b) in patients with HBV-related liver cirrhosis, to assess the safety and tolerability of this regimen, and to provide evidence-based medical evidence for optimizing the treatment strategies for patients with HBV-related compensated liver cirrhosis. MethodsA prospective study was conducted among 115 patients with HBV-related compensated liver cirrhosis and 114 patients with CHB who attended Third People’s Hospital of Taiyuan from January 2023 to March 2024. Treatment-naïve patients received PEG-IFN-α-2b monotherapy, while the patients once treated with nucleos(t)ide analogues (NAs) received PEG-IFN-α-2b add-on therapy. The patients with HBV-related compensated liver cirrhosis were followed up at baseline and at 12, 24, 36, and 48 weeks of treatment. Samples were collected from CHB patients at baseline and at the end of follow-up to assess virological indicators, routine blood test results, and liver function. The chi-square test was used for comparison of categorical data between groups; the independent samples t-test was used for comparison of normally distributed continuous data between two groups, and the one-way repeated measures analysis of variance was used for comparison among different time ponts within the same group,and the Bonferroni was applied for post-hoc pairwise comparisons; the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups, and the Friedman test was used for comparison across different time points within the same group, and the Nemenyi test was utilized for subsequent pairwise comparisons. The multivariate stepwise Logistic regression analysis was used to investigate the influencing factors for clinical cure. ResultsCompared with the CHB group, the HBV-related compensated liver cirrhosis group had a significantly higher mean age (43.50±9.97 years vs 40.90±8.16 years, t=2.160, P=0.032), a significantly higher proportion of patients with hepatitis B e antigen at baseline (28.70% vs 15.79%, χ2=4.788, P=0.029), and a significantly lower platelet level [(178.67±55.07)×109/L vs (194.93±55.79)×109/L, t=2.217, P=0.028]. Compared with the CHB group at the end of follow-up, the HBV-related compensated liver cirrhosis group had significantly lower HBV surface antigen (HBsAg) clearance rate (10.38% vs 33.04%, χ2=14.988, P<0.001) and HBV surface antibody positive rate (0.00% vs 19.64%, χ2=21.041, P<0.001). Compared with the CHB group at the end of follow-up,the HBV-related compensated liver cirrhosis group had significantly lower aminotransferase levels [ALT: 31.00(19.00~47.50) U/L vs 40.00(27.00~57.00) U/L, Z=2.433, P<0.05; AST: 31.00(23.00~45.50) U/L vs 37.00(25.00~52.00) U/L, Z=1.963, P<0.05], but significantly higher level of white blood cells (WBC) [(4.02±1.56)×109/L vs (3.59±1.24)×109/L, t=2.272, P<0.05], neutrophils [(2.39±1.17)×109/L vs (1.87±0.94)×109/L, t=3.284, P<0.05], and platelets [(143.93±68.10)×109/L vs (121.88±49.72)×109/L, t=2.588, P<0.05]. A lower level of HBsAg (OR=0.997, 95%CI: 0.996 — 0.999, P<0.001) and previous treatment with NAs (OR=5.889, 95%CI: 2.195 — 17.330, P<0.001) were positive predictive factors for clinical cure, while liver cirrhosis (OR=0.177, 95%CI: 0.063 — 0.470, P<0.001) was a negative predictive factor for clinical cure. During follow-up, no patients experienced acute decompensation or progression to hepatocellular carcinoma, and the main adverse events included fever, fatigue, reductions in WBC and platelets, weight loss, alopecia, and thyroid dysfunction. In the subgroup analysis of HBV-related compensated liver cirrhosis, in both the treatment-naïve patients and the patients previously treated with NAs, there was a significant reduction in HBsAg level from baseline to week 36 of treatment [treatment-naïve: 99.25 (5.87 — 1 212.35) IU/mL vs 403.47 (36.94 — 2 569.02) IU/mL, P<0.05; previously treated with NAs: 205.94 (14.00 — 737.80) IU/mL vs 427.03 (65.64 — 1 552.65) IU/mL, P<0.05] and week 48 of treatment [treatment-naïve: 85.45 (0.58 — 827.56) IU/mL vs 403.47 (36.94 — 2 569.02) IU/mL, P<0.05; previously treated with NAs: 45.28 (0.16 — 267.27) IU/mL vs 427.03 (65.64 — 1 552.65) IU/mL, P<0.05]. There were significant increases in the levels of aminotransferases during treatment, as well as significant reductions in the levels of WBC, neutrophils, platelets, and hemoglobin (all P<0.05). ConclusionAlthough a finite course of PEG-IFN-α-2b therapy has achieved a relatively low rate of clinical cure in the treatment of HBV-related compensated liver cirrhosis, it can still significantly reduce the level of HBsAg, and this treatment regimen has good safety and tolerability, without accelerating disease progression.
3.Mechanism of tannins from Galla chinensis cream in promoting skin wound healing in rats based on FAK/PI3K/Akt/mTOR signaling pathway.
Wen YI ; Zi-Yi YAN ; Meng-Qiong SHI ; Ying ZHANG ; Jie LIU ; Qian YI ; Hai-Ming TANG ; Yi-Wen LIU
China Journal of Chinese Materia Medica 2025;50(2):480-497
This study investigated the effects and action mechanism of tannins from Galla chinensis cream(TGCC) on the skin wound of rat tail. Male Sprague Dawley(SD) rats were randomly divided into a control group, model group, model+low-dose TGCC(50 mg per rat) group, model+high-dose TGCC group(100 mg per rat), and model+TGC+FAK inhibitor(Y15) cream(100 mg+10 mg per rat) group, with 10 rats in each group. After the rat tail skin injury model was successfully constructed, in the treatment group, corresponding drugs were applied to the wound surface, while in the control and model groups, the same amount of cream base as the TGCC group was applied by the same method. Then, sterile gauze was wrapped around the wound edge, and these operations were performed three times a day for 28 consecutive days. The wound healing status at the third, seventh, eleventh, fourteenth, twenty-first, and twenty-eighth days was recorded, and the wound healing rate and healing time were calculated. On the day after the last dose of medication, rat serum and tail skin wound tissue were collected for analyzing the activities of serum alanine aminotransferase(ALT), aspartate aminotransferase(AST), creatinine(CREA), urea, reactive oxygen species(ROS), interferon gamma(IFN-γ), interleukin(IL)-1β, IL-6, IL-4, IL-10, tumor necrosis factor(TNF)-α, as well as catalase(CAT), glutathione(GSH), lactate dehydrogenase(LDH), malondialdehyde(MDA), myeloperoxidase(MPO), superoxide dismutase(SOD), total antioxidant capacity(T-AOC), platelet endothelial cell adhesion molecule-1(CD31), and leukocyte differentiation antigen 34(CD34) in the wound tissue of rat tail skin. Hematoxylin-eosin, Masson, and sirius red staining were used to observe the morphological changes in the wound tissue of rat tail skin. The thickness of the epidermis, the number of fibroblasts and blood vessels, and the contents of collagen fibers, typeⅠ collagen(COLⅠ), and COLⅢ were calculated. The mRNA expressions of keratin 10(KRT10), KRT14, vascular endothelial growth factor(VEGF), fibroblast growth factor(FGF), epidermal growth factor(EGF), CD31, CD34, matrix metallopeptidase-2(MMP-2), MMP-9, COLⅠ, COLⅢ, desmin, fibroblast specific protein 1(FSP1), IFN-γ, IL-1β, TNF-α, IL-4, IL-6, and IL-10 in skin wound tissue were determined by quantitative real-time polymerase chain reaction(PCR). Western blot was utilized to detect the protein expressions of KRT10, KRT14, VEGF, FGF, EGF, MMP-2, MMP-9, COLⅠ, COLⅢ, desmin, FSP1, focal adhesion kinase(FAK), phosphorylated focal adhesion kinase(p-FAK), phosphatidylin-ositol-3-kinase(PI3K), phosphorylated phosphatidylin-ositol-3-kinase(p-PI3K), protein kinase B(Akt), phosphorylated protein kinase B(p-Akt), mammalian target of rapamycin(mTOR), and phosphorylated mammalian target of rapamycin(p-mTOR). The results manifest that TGCC can dramatically elevate the healing rate of rat tail wounds and shorten wound healing time. Besides, it can reduce serum ROS levels, the contents of MDA, MPO, and LDH in the rat skin wound tissue, as well as the serum IFN-γ, IL-1β, IL-6, and TNF-α levels and the mRNA expression levels of IFN-γ, IL-1β, IL-6, and TNF-α in the skin wound tissue. It can elevate the activities of CAT, GSH, SOD, and T-AOC in wound tissue, the IL-4 and IL-10 contents in serum, and the mRNA expressions of IL-4 and IL-10 in the wound tissue. In addition, TGGC can inhibit inflammatory cell infiltration and increase the epidermal thickness, counts of fibroblasts and blood vessels, and contents of collagen fibers, COLⅠ, and COLⅢ. Besides, TGCC can elevate the mRNA and protein expressions of epidermal differentiation markers(KRT10 and KRT14), endothelial cell markers(CD31 and CD34), angiogenesis and fibroblast proliferation, differentiation markers(VEGF, FGF, EGF, COLⅠ, COLⅢ, desmin, and FSP1), reduce the mRNA and protein expressions of gelatinases(MMP-2 and MMP-9), and increase protein expressions of p-FAK, p-PI3K, p-Akt, p-mTOR, as well as ratios of p-FAK/FAK, p-PI3K/PI3K, p-Akt/Akt, and p-mTOR/mTOR. These results suggest that TGCC can significantly facilitate skin wound healing, and its mechanism may be related to the activation of the FAK/PI3K/Akt/mTOR signaling pathway, inhibition of inflammatory cell infiltration in skin wound tissue, elevation of epidermal thickness, counts of fibroblasts and vessels, and contents of collagen fiber, COLⅠ, and COLⅢ, and reduction of MMP-2 and MMP-9 expressions, thus accelerating wound healing.
Animals
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Male
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Wound Healing/drug effects*
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Rats
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Rats, Sprague-Dawley
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Signal Transduction/drug effects*
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TOR Serine-Threonine Kinases/genetics*
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Phosphatidylinositol 3-Kinases/genetics*
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Skin/metabolism*
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Proto-Oncogene Proteins c-akt/genetics*
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Tannins/pharmacology*
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Humans
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Drugs, Chinese Herbal/administration & dosage*
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Focal Adhesion Kinase 1/genetics*
4.Saponins from Panax japonicus ameliorate high-fat diet-induced anxiety by modulating FGF21 resistance.
Yan HUANG ; Bo-Wen YUE ; Yue-Qin HU ; Wei-Li LI ; Dian-Mei YU ; Jie XU ; Jin-E WANG ; Zhi-Yong ZHOU
China Journal of Chinese Materia Medica 2025;50(1):29-41
Anxiety disorder is a highly prevalent psychological illness, and research has shown that obesity is a significant risk factor for its development. This study explored the ameliorative effects and mechanisms of saponins from Panax japonicus(SPJ) on anxiety disorder in mice fed a high-fat diet(HFD). Fifty C57BL/6J mice were randomly divided into normal control diet(NCD) group, HFD group, and low-and high-dose SPJ groups. At week 12, six mice from the HFD group were further divided into a control group(treated with DMSO) and an exogenous fibroblast growth factor 21(FGF21) group(administered rFGF21). The anxiety-like behavior of the mice was assessed using the open field test and elevated plus maze test. Hematoxylin-eosin(HE) staining and oil red O staining were performed to observe pathological changes in the liver and adipose tissue. Glucose metabolism was evaluated through the glucose tolerance test(GTT) and insulin tolerance test(ITT). Western blot analysis was performed to detect the expression of FGF21 and its downstream-related proteins in the liver and cortex, along with the expression of brain-derived neurotrophic factor(BDNF), disks large homolog 4(DLG4), and synaptophysin(SYP) in the cortex. Real-time quantitative fluorescent PCR(qPCR) was used to detect the expression of FGF21 and its receptor genes in the liver and cortex. Immunofluorescence staining was employed to examine the expression of neuronal activator c-Fos, FGF21, and the FGF21 co-receptor β-klotho in the cerebral cortex. The results showed that SPJ significantly improved the frequency of activity in the open arms of the elevated plus maze and the central area of the open field in HFD mice, up-regulated the expression of BDNF, DLG4, and SYP, and effectively alleviated anxiety-like behaviors in HFD mice. Compared with the NCD group, HFD mice exhibited up-regulated expression of FGF21 in the liver and cerebral cortex, while the expression of fibroblast growth factor receptor 1(FGFR1) and β-klotho was significantly down-regulated, suggesting that HFD mice exhibited FGF21 resistance. SPJ markedly up-regulated the β-klotho levels in HFD mice, reversing FGF21 resistance. Further comparison with exogenously administered FGF21 revealed that SPJ activates brain cortical regions in a consistent manner, and additionally, SPJ promotes the number and colocalization of c-Fos and β-klotho positive cells in the brain cortex. In summary, SPJ effectively alleviates anxiety-like behaviors in HFD mice. Its mechanism is associated with up-regulation of β-klotho expression in the brain, reversal of FGF21 resistance, and subsequent activation of neurons in the cerebral cortex and amygdala.
Animals
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Diet, High-Fat/adverse effects*
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Fibroblast Growth Factors/genetics*
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Mice
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Male
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Panax/chemistry*
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Mice, Inbred C57BL
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Anxiety/etiology*
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Saponins/administration & dosage*
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Brain-Derived Neurotrophic Factor/genetics*
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Humans
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Liver/metabolism*
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Drugs, Chinese Herbal/administration & dosage*
5.Metabolomics combined with network pharmacology reveals mechanism of Jiaotai Pills in treating depression.
Guo-Liang DAI ; Ze-Yu CHEN ; Yan-Jun WANG ; Xin-Fang BIAN ; Yu-Jie CHEN ; Bing-Ting SUN ; Xiao-Yong WANG ; Wen-Zheng JU
China Journal of Chinese Materia Medica 2025;50(5):1340-1350
This study aims to explore the mechanism of Jiaotai Pills in treating depression based on metabolomics and network pharmacology. The chemical constituents of Jiaotai Pills were identified by UHPLC-Orbitrap Exploris 480, and the targets of Jiaotai Pills and depression were retrieved from online databases. STRING and Cytoscape 3.7.2 were used to construct the protein-protein interaction network of core targets of Jiaotai Pills in treating depression and the "compound-target-pathway" network. DAVID was used for Gene Ontology(GO) function and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analyses of the core targets. The mouse model of depression was established with chronic unpredictable mild stress(CUMS) and treated with different doses of Jiaotai Pills. The behavioral changes and pathological changes in the hippocampus were observed. UHPLC-Orbitrap Exploris 120 was used for metabolic profiling of the serum, from which the differential metabolites and related metabolic pathways were screened. A "metabolite-reaction-enzyme-gene" network was constructed for the integrated analysis of metabolomics and network pharmacology. A total of 34 chemical components of Jiaotai Pills were identified, and 143 core targets of Jiaotai Pills in treating depression were predicted, which were mainly involved in the arginine and proline, sphingolipid, and neurotrophin metabolism signaling pathways. The results of animal experiments showed that Jiaotai Pills alleviated the depression behaviors and pathological changes in the hippocampus of the mouse model of CUMS-induced depression. In addition, Jiaotai Pills reversed the levels of 32 metabolites involved in various pathways such as arginine and proline metabolism, sphingolipid metabolism, and porphyrin metabolism in the serum of model mice. The integrated analysis showed that arginine and proline metabolism, cysteine and methionine metabolism, and porphyrin metabolism might be the key pathways in the treatment of depression with Jiaotai Pills. In conclusion, metabolomics combined with network pharmacology clarifies the antidepressant mechanism of Jiaotai Pills, which may provide a basis for the clinical application of Jiaotai Pills in treating depression.
Animals
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Drugs, Chinese Herbal/chemistry*
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Depression/genetics*
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Mice
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Network Pharmacology
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Metabolomics
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Male
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Disease Models, Animal
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Humans
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Protein Interaction Maps/drug effects*
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Antidepressive Agents
6.Tetrahydropalmatine acts on α7nAChR to regulate inflammation and polarization of BV2 microglia.
Yan-Jun WANG ; Guo-Liang DAI ; Pei-Yao CHEN ; Hua-Xi HANG ; Xin-Fang BIAN ; Yu-Jie CHEN ; Wen-Zheng JU
China Journal of Chinese Materia Medica 2025;50(11):3117-3126
Based on the α7 nicotinic acetylcholine receptor(α7nAChR), this study examined how tetrahydropalmatine(THP) affected BV2 microglia exposed to lipopolysaccharide(LPS), aiming to clarify the possible mechanism underlying the anti-depression effect of THP from the perspectives of preventing inflammation and regulating polarization. First, after molecular docking and determination of the content of Corydalis saxicola Bunting total alkaloids, THP was initially identified as a possible anti-depression component. The BV2 microglia model of inflammation was established with LPS. BV2 microglia were allocated into a normal group, a model group, low-and high-dose(20 and 40 μmol·L~(-1), respectively) THP groups, and a THP(20 μmol·L~(-1))+α7nAChR-specific antagonist MLA(1 μmol·L~(-1)) group. The CCK-8 assay was used to screen the safe concentration of THP. A light microscope was used to examine the morphology of the cells. Western blot and immunofluorescence were used to determine the expression of α7nAChR. qRT-PCR was performed to determine the mRNA levels of inducible nitric oxide synthase(iNOS), cluster of differentiation 86(CD86), suppressor of cytokine signaling 3(SOCS3), arginase-1(Arg-1), cluster of differentiation 206(CD206), tumor necrosis factor(TNF)-α, interleukin(IL)-6, and IL-1β. Enzyme-linked immunosorbent assay(ELISA) was employed to measure the levels of TNF-α, IL-6, and IL-1β in the cell supernatant. The experimental results showed that THP at concentrations of 40 μmol·L~(-1) and below had no effect on BV2 microglia. THP improved the morphology of BV2 microglia, significantly up-regulated the protein level of α7nAChR, significantly down-regulated the mRNA levels of iNOS, CD86, SOCS3, TNF-α, IL-6, and IL-1β, significantly up-regulated the mRNA levels of Arg-1 and CD206, and dramatically lowered the levels of TNF-α, IL-6, and IL-1β in the cell supernatant. However, the antagonist MLA abolished the above-mentioned ameliorative effects of THP on LPS-treated BV2 microglia. As demonstrated by the aforementioned findings, THP protected LPS-treated BV2 microglia by regulating the M1/M2 polarization and preventing inflammation, which might be connected to the regulation of α7nAChR on BV2 microglia.
Berberine Alkaloids/chemistry*
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alpha7 Nicotinic Acetylcholine Receptor/chemistry*
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Microglia/metabolism*
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Mice
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Animals
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Cell Line
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Corydalis/chemistry*
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Humans
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Molecular Docking Simulation
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Inflammation/drug therapy*
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Nitric Oxide Synthase Type II/immunology*
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Tumor Necrosis Factor-alpha/immunology*
7.Rapid Monitoring of Key Indicators in Growth Process of Chlorella Using Near-Infrared Spectroscopy Technology
Wen-Hui SONG ; Shi-Jie DU ; Yan LIU ; Qiao WANG ; Xin LIU ; Zhi-Yong GONG
Chinese Journal of Analytical Chemistry 2025;53(4):660-668
The traditional detection methods for monitoring the biomass,protein,chlorophyll content and other key indicators in the growth of chlorella have some problems,including complicated operation,slow detection speed and difficult large-scale application.In this study,a fast and efficient monitoring method for the key indicators in the growth of chlorella was established using near infrared spectroscopy and chemometrics.Near-infrared spectroscopy was used to collect near-infrared spectra of chlorella algal fluid at different growth stages,and standard methods were used to detect the biomass,protein and chlorophyll contents of corresponding samples.A quantitative analysis model was established based on partial least squares regression(PLSR).To improve the prediction ability of the model,multiplicative scatter correction(MSC)was used to reduce the interference of scattering on the raw spectrum(RS),standard normal variate(SNV)was used to normalize the original spectral data to eliminate differences between samples,continuous wavelet transform(CWT)was used to obtain the key features of spectral data,the first derivative(1st)was used to enhance the differentiation of the original spectral features,and monte carlo-uninformative variable elimination(MC-UVE)and randomization test(RT)were used to screen the valid variables in the wavelength.By evaluating the prediction ability of different models,the quantitative analysis models of chlorella biomass,protein and chlorophyll content were finally determined.The results showed that the model based on 1st combined with RT spectra had better predictive ability for chlorella nutrient content detection,and the root mean square errors of prediction(RMSEP)and coefficients of determination(R2)were 0.041 and 0.933 for biomass,0.012 and 0.973 for protein,and 0.517 and 0.962 for chlorophyll,respectively.This model showed practical application value,and could realize the rapid and accurate detection of chlorella biomass,protein and chlorophyll content at the same time.
8.Creation and Exploration of the"Organized Fill-in-the-Blank Format"Disci-pline Construction Model for Forensic Medicine in the New Era
Zhi-Wen WEI ; Hong-Xing WANG ; Jun-Hong SUN ; Hao-Liang FAN ; Hong-Liang SU ; Le-Le WANG ; Wen-Ting HE ; Zhe CHEN ; Jie ZHANG ; Xiang-Jie GUO ; Ji LI ; Geng-Qian ZHANG ; Xin-Hua LIANG ; Jiang-Wei YAN ; Qiang-Qiang ZHANG ; Cai-Rong GAO ; Ying-Yuan WANG ; Hong-Wei WANG ; Jun XIE ; Bo-Feng ZHU ; Ke-Ming YUN
Journal of Forensic Medicine 2025;41(1):25-29
Forensic medicine has been designated as a first-level discipline,presenting new opportunities and challenges for the development of forensic medicine.Since the 1980s,the establishment of foren-sic medicine discipline and the cultivation of high-level forensic talents have become hot topics in the development of forensic medicine in China.Since the 13th Five-Year Plan,the forensic team of Shanxi Medical University has been aiming at the forefront,proposing the development goals of"Five First-class"and the discipline development path"Six Major Achievements".It has selected benchmark disci-plines,identified gaps in disciplinary development,unified thoughts,formulated completion timelines,concentrated superior resources,assigned tasks to individuals,and created an"Organized Fill-in-the-Blank Format"forensic medicine discipline construction model with the characteristics of the new era.The construction model of forensic medicine has achieved good results in the goals,discipline frame-work,scientific research,talent cultivation,discipline team and platform construction,forming a rela-tively complete discipline construction and management system,and accumulating valuable experience for the construction of first-level discipline and high-level talent cultivation of forensic medicine.
9.Estimate the Age of Han Adult Based on the Pulp Chamber Volume and Pulp Dentinal Index of Right First Molars Using Oral and Maxillofacial CBCT
Yan-Jie DING ; Xiao ZHANG ; Wen-Li SHI ; Zi-Yi LI ; Wei WANG ; Shi-Lin ZHANG ; Gen-Jie YANG ; A-Ji GUO ; Bo JIN
Journal of Forensic Medicine 2025;41(1):59-65
Objective To explore the correlation between the actual age and the pulp chamber volume(PCV)and pulp dentinal index(PDI)of the right first molars based on cone beam computed tomog-raphy(CBCT)technology,and to construct an accurate and convenient model for age estimation.Methods CBCT image data of 1 857 Han adults(883 males and 974 females)from the Department of Stomatology,Affiliated Hospital of North Sichuan Medical College were collected.The data were di-vided into training and validation sets at a ratio of 8∶2.A total of 1 485 training samples were used to construct the age estimation model,and 372 samples were used to validate the accuracy of the model.The Mimics 21.0 software was used to measure the PCV and calculate the PDI of the right first molars.Their correlations with age and the differences between different sexes and tooth positions were analyzed.Results Both the PCV and the PDI of the first molars showed strong negative correla-tions with the actual age(r values ranged from 0.82 to 0.89).The differences in PCV and PDI be-tween different sexes and tooth positions were statistically significant(P<0.05).The age estimation model based on PDI was superior to that based on PCV.The model based on the PDI values of the two right first molars(y=73.72-44.15 x3-28.27 x4,where x3 and x4 are the PDI values of the right maxil-lary and mandibular first molars,respectively)was the best,with the R2 of 0.79 and the mean abso-lute error of 4.90 years.Conclusion Both PCV and PDI of the first molars are effective indicators for age estimation.The age estimation model based on the PDI is more convenient and accurate than that based on the PCV,providing a more effective method for age estimation in forensic practice.
10.Effects of Shuli Jiangzhuo Formula on cardiomyocyte pyroptosis in a rat model of uremic cardiomyopathy
Yan-wen WANG ; Li-ming CHEN ; Rui NIU ; Jie QU ; Xiao-hui LI
Chinese Traditional Patent Medicine 2025;47(7):2213-2220
AIM To observe the protective effects and mechanism of Shuli Jiangzhuo Formula on cardiac function in a rat model of uremic cardiomyopathy(UCM).METHODS The successful UCM models established by 5/6 nephrectomy were randomly allocated into the model group,the valsartan group(8.33 mg/kg),and the low-dose,medium-dose and high-dose Shuli Jiangzhuo Formula groups(7.19,14.38,28.76 g/kg),in contrast to those of the sham operation group,followed by 8 weeks respective drug administration.Upon the completion of the pharmacological intervention,the rats had the left ventricular end-diastolic diameter(LVEDD),left ventricular end-systolic diameter(LVESD),ejection fraction(EF)and fractional shortening(FS)measured by echocardiography;the whole heart mass index(HMI)and left ventricular mass index(LVMI)detected;the renal function(serum creatinine,blood urea nitrogen)and the hemoglobin concentration detected;the mitochondrial morphology analyzed by observation of cardiomyocyte ultrastructure using transmission electron microscopy;the DNA damage in cardiomyocytes detected by TUNEL staining;the serum levels of IL-1β,IL-18 and BNP detected by ELISA;and the myocardial mRNA and protein expressions of NLRP3,Caspase-1 and IL-1β detected by RT-qPCR and Western blot.RESULTS Compared with the sham operated controls,the model group demonstrated significant elevation of serum creatinine and urea nitrogen(P<0.01);decreased hemoglobin concentration(P<0.01);disorganized myocardial collagen fiber architecture,and pronounced mitochondrial swelling with ultrastructural damage;decreased EF and FS(P<0.05);increased LVEDD and LVESD(P<0.01);increased HMI and LVMI(P<0.01);increased levels of serum IL-1β,IL-18 and BNP(P<0.01);increased cardiomyocyte pyroptosis(P<0.01);and enhanced mRNA and protein expressions of NLRP3,Caspase-1 and IL-1 β(P<0.01).Compared to model group controls,the high-dose Shuli Jiantuo Formula intervention exhibited decreased levels of serum creatinine and urea nitrogen(P<0.01);increased hemoglobin concentration(P<0.01);reduced DNA fragmentation,alleviated mitochondrial swelling and mitigated ultrastructural damage;reduced LVEDD and LVESD(P<0.05,P<0.01);decreased HMI and LVMI(P<0.01);downregulated levels of serum IL-1β,IL-18 and BNP(P<0.01);decreased cardiomyocyte pyroptosis(P<0.01);and inhibited mRNA and protein expressions of NLRP3,Caspase-1 and IL-1β(P<0.05,P<0.01).CONCLUSION Shuli Jiangzhuo Formula demonstrates dual cardiorenal protective effects in UCM rats through suppression of the left ventricular hypertrophy progression and inhibition of the adverse ventricular remodeling processess.The therapeutic efficacy primarily stems from targeted suppression of NLRP3/Caspase-1 signaling pathway activation and substantial attenuation of cardiomyocyte pyroptosis cascade.

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