ObjectiveHeadspace solid-phase microextraction-gas chromatography-mass spectrometry（HS-SPME-GC-MS） and GC-triple quadrupole MS（GC-QqQ-MS） in combination with non-targeted and targeted metabolomics were employed to systematically analyze the chemical composition differences of Xihuangwan prepared with natural musk and artificial musk， and establish an identification system for them. MethodsThe volatile components of 9 batches of Xihuangwan samples from 8 manufacturers were analyzed by HS-SPME-GC-MS non-targeted metabolomics， and identified by comparing their MS data with the National Institute of Standards and Technology（NIST） spectral library. Orthogonal partial least squares-discriminant analysis（OPLS-DA） was used to identify differential volatile components of Xihuangwan prepared with natural musk and artificial musk. Additionally， GC-QqQ-MS targeted metabolomics was applied to quantify the levels of α-pinene， β-elemene， muscone， dehydroepiandrosterone， bornyl acetate， and octyl acetate in 27 batches of samples from 9 manufacturers. Cluster analysis， principal component analysis（PCA）， and partial least squares-discriminant analysis（PLS-DA） were conducted to further explore the differences in volatile components between Xihuangwan samples prepared with natural musk and artificial musk. ResultsNon-targeted metabolomics identified 291 volatile compounds in Xihuangwan， including alkanes， esters， alkanes， alcohols， ketones， naphthalenes and others. OPLS-DA analysis revealed distinct separation between Xihuangwan samples containing artificial musk（A1， C1， D1， E1， F1， G1， I1） and those containing natural musk（H1， H3）. A total of 30 differential metabolites were identified. The relative contents of these 30 differential metabolites were visualized using a radar chart， revealing significant differences in the levels of octanol， borneol acetate and muscone. Cluster analysis and PCA results from targeted metabolomics indicated that Xihuangwan could be classified into two distinct groups：one composed of natural musk（H1， H3） and the other of artificial musk， sample H2. PLS-DA identified muscone， octyl acetate， and dehydroepiandrosterone as key differential volatile components. Although no significant difference was observed in the content of octyl acetate between the two groups， statistically significant differences were found for muscone and dehydroepiandrosterone（P<0.05）. ConclusionMuscone and dehydroepiandrosterone can be used for the differentiation of Xihuangwan samples containing natural musk from those containing artificial musk. This study systematically and comprehensively analyzed the differences in the types and contents of major volatile components in Xihuangwan prepared with natural musk and artificial musk， providing a scientific basis for quality evaluation and control of Xihuangwan.

ObjectiveHeadspace solid-phase microextraction-gas chromatography-mass spectrometry（HS-SPME-GC-MS） and GC-triple quadrupole MS（GC-QqQ-MS） in combination with non-targeted and targeted metabolomics were employed to systematically analyze the chemical composition differences of Xihuangwan prepared with natural musk and artificial musk， and establish an identification system for them. MethodsThe volatile components of 9 batches of Xihuangwan samples from 8 manufacturers were analyzed by HS-SPME-GC-MS non-targeted metabolomics， and identified by comparing their MS data with the National Institute of Standards and Technology（NIST） spectral library. Orthogonal partial least squares-discriminant analysis（OPLS-DA） was used to identify differential volatile components of Xihuangwan prepared with natural musk and artificial musk. Additionally， GC-QqQ-MS targeted metabolomics was applied to quantify the levels of α-pinene， β-elemene， muscone， dehydroepiandrosterone， bornyl acetate， and octyl acetate in 27 batches of samples from 9 manufacturers. Cluster analysis， principal component analysis（PCA）， and partial least squares-discriminant analysis（PLS-DA） were conducted to further explore the differences in volatile components between Xihuangwan samples prepared with natural musk and artificial musk. ResultsNon-targeted metabolomics identified 291 volatile compounds in Xihuangwan， including alkanes， esters， alkanes， alcohols， ketones， naphthalenes and others. OPLS-DA analysis revealed distinct separation between Xihuangwan samples containing artificial musk（A1， C1， D1， E1， F1， G1， I1） and those containing natural musk（H1， H3）. A total of 30 differential metabolites were identified. The relative contents of these 30 differential metabolites were visualized using a radar chart， revealing significant differences in the levels of octanol， borneol acetate and muscone. Cluster analysis and PCA results from targeted metabolomics indicated that Xihuangwan could be classified into two distinct groups：one composed of natural musk（H1， H3） and the other of artificial musk， sample H2. PLS-DA identified muscone， octyl acetate， and dehydroepiandrosterone as key differential volatile components. Although no significant difference was observed in the content of octyl acetate between the two groups， statistically significant differences were found for muscone and dehydroepiandrosterone（P<0.05）. ConclusionMuscone and dehydroepiandrosterone can be used for the differentiation of Xihuangwan samples containing natural musk from those containing artificial musk. This study systematically and comprehensively analyzed the differences in the types and contents of major volatile components in Xihuangwan prepared with natural musk and artificial musk， providing a scientific basis for quality evaluation and control of Xihuangwan.

OBJECTIVES: In recent years, the role of remnant cholesterol (RC) in the development and progression of cardiovascular diseases has gained increasing attention. However, evidence on the association between RC and subclinical atherosclerosis is limited. This study aims to examine the relationship between RC and atherosclerotic plaques in single and multiple vascular territories. METHODS: This retrospective cross-sectional study used baseline data from participants enrolled between October 2022 and May 2024 in the National Key Research Program "Study on the Prevention and Control System of Risk Factors for Panvascular Diseases". Color Doppler ultrasonography was performed to detect plaques in 4 vascular territories: Bilateral carotid arteries, bilateral subclavian arteries, abdominal aorta, and iliac-femoral arteries. RC was calculated as total cholesterol minus the sum of low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C). Participants were categorized into quartiles (Q1-Q4) according to RC levels. The proportions of participants with ≥2 plaques in a single vascular territory and with plaques in ≥2 vascular territories were compared across RC quartiles. Multivariate ordinal Logistic regression was used to assess the association between RC and the number of plaques in a single vascular territory, as well as the risk of multiple vascular territory involvement. Additionally, the effects of LDL-C/RC concordance on plaque distribution were analyzed. RESULTS: A total of 3 539 participants were included, of whom 2 169 (61.29%) were male, with a age of (51.94±9.22) years. From Q1 to Q4, the proportion of participants with ≥2 plaques in a single vascular territory (bilateral carotid, subclavian, abdominal aorta, and iliac-femoral arteries), as well as those with plaques in ≥2 vascular territories, increased progressively. Compared with Q1, both Q3 and Q4 were significantly associated with higher plaque numbers in a single vascular territory (both P<0.05). When treated as a continuous variable, higher RC levels were associated with an increased risk of greater plaque numbers within a single vascular territory (all P<0.05). RC levels were also significantly associated with multiple vascular territory involvement: Compared with Q1, Q4 had a 1.015-fold higher risk [odds ratio (OR)=2.015, 95% confidence interval (CI) 1.669 to 2.433], and each 1 mmol/L increase in RC corresponded to a 0.160-fold increased risk (OR=1.160, 95% CI 1.073 to 1.271). In LDL-C/RC coordination analysis, compared with the low LDL-C/low RC group, the low LDL-C/high RC group was significantly associated with multiple vascular territory involvement (OR=1.576, 95% CI 1.220 to 2.036). CONCLUSIONS Elevated RC levels are closely associated with atherosclerotic plaques in both single and multiple vascular territories, even among individuals with normal LDL-C, suggesting that RC should be considered in clinical risk assessment and management of atherosclerosis.
Humans ; Plaque, Atherosclerotic/diagnostic imaging* ; Male ; Female ; Cross-Sectional Studies ; Middle Aged ; Retrospective Studies ; Cholesterol/blood* ; Cholesterol, LDL/blood* ; Aged ; Cholesterol, HDL/blood* ; Risk Factors ; Atherosclerosis ; Ultrasonography, Doppler, Color ; Femoral Artery/diagnostic imaging*

ObjectiveTo explore the mechanism of Huanglian Wendantang on damp-heat type diabetes enteropathy rats based on the G protein coupled bile acid receptor 5/glucagon like peptide-1 （TGR5/GLP-1） signaling pathway and intestinal flora. MethodsA total of 72 male Sprague Dawley （SD） rats were adaptively fed for one week. Twelve SD rats were randomly selected as a blank group and fed with an ordinary diet. The rest of the SD rats were fasted for 12 hours without water. A rat model with damp-heat type diabetes enteropathy was made by left intraperitoneal injection of streptozotocin （55 mg·kg^-1） and high sugar and high fat diet （20% sucrose solution + high fat diet） in a humid and hot environment （artificial climate box： temperature 30-34 ℃， relative humidity： 85%-95%）. After successful modeling， the rats were randomly divided into a model group， a metformin group （200 mg·kg^-1）， low-dose， medium-dose， and high-dose Huanglian Wendantang groups （7.10， 14.20， 28.39 g·kg^-1）， with 12 rats in each group. The normal group and the model group were orally administered with physiological saline once a day for 6 consecutive weeks. During the observation period， the weight and blood glucose levels of rats were measured and recorded weekly. After the administration， fresh feces were collected from rats， and 16S rRNA sequencing technology was used to study the differences and changes in intestinal flora among different groups. The levels of tumor necrosis factor-α （TNF-α） and interleukin-6 （IL-6） in the serum of rats were detected by enzyme-linked immunosorbent assay （ELISA）， and the pathological morphological changes of colon tissue were examined. The expression of TGR5 and GLP-1 in colon tissue was detected by immunohistochemistry， and the expression of TGR5 and GLP-1 proteins in colon tissue was measured by Western blot. ResultsCompared with the blank group， the model group showed a decrease in body weight， an increase in blood glucose， and significant damp-heat symptoms. The levels of IL-6 and TNF-α in serum were significantly increased （P<0.01）. The expression of TGR5 and GLP-1 was decreased （P<0.01）， and the pathogenic bacteria were increased. Compared with the model group， the treatment groups exhibited improvements in body weight， blood glucose levels， and damp-heat syndrome in rats. Among them， the high-dose group of Huanglian Wendantang displayed the most significant improvement effect， with significantly reduced inflammation levels （P<0.01） and elevated expression of TGR5 and GLP-1 （P<0.01）. Colonic pathological sections showed that Huanglian Wendantang could effectively ameliorate colonic pathological changes. The 16S rRNA sequencing result indicated a significant increase in beneficial bacteria in the treatment groups. ConclusionHuanglian Wendantang can effectively ameliorate the damp-heat symptoms and blood glucose levels in rats with damp-heat type diabetes enteropathy， and it may exert an effect by regulating the TGR5/GLP-1 signaling pathway and intestinal flora disorder.

Objective To explore the expression of long non-coding RNA hypoxia-inducible factor 1 alpha antisense RNA-1(lncRNA HIF1A-AS1)levels in placenta and cord blood of pregnant women with preeclampsia(PE)and its clinical significance.Methods Fifty pregnant women with PE who underwent cesarean section in Renji Hospital,Shanghai Jiaotong University School of Medicine from January 2020 to January 2022 were selected as the research subjects,including 24 pregnant women with mild PE and 26 pregnant women with severe PE.During the same period,25 healthy pregnant women who underwent cesarean section at the hospital were selected as the control group.The general data on the admission of all patients were collected.The real-time fluorescence quantitative qRT-PCR method was used to detect the expression level of lncRNA HIF1A-AS1 in pregnant women's placenta tissue and cord blood.The relationship between lncRNA HIF1A-AS1 level and pregnancy outcome was analyzed.The Pearson method was used to analyze the correlation between the relative expression level of lncRNA HIF1A-AS1 mRNA in placenta tissue and the level of lncRNA HIF1A-AS1 in cord blood.The receiver operating characteristic(ROC)curve was used to analyze the diagnostic value of lncRNA HIF1A-AS1 in placenta and cord blood for severe PE.Logistic regression was used to analyze the influencing factors of severe PE.Results Compared with the control group,the level of lncRNA HIF1A-AS1(2.76±0.36,1.83±0.29 vs 1.03±0.21)was elevated in the placental tissues of pregnant women with PE in the severe and mild groups(q=29.687,13.456),and the expression level of lncRNA HIF1A-AS1 in the severe group was higher than that in the mild group(q=15.792),and the differences were statistically significant(all P＜0.05).Compared with the control group,the level of lncRNA HIF1A-AS1(4.68±0.58,2.66±0.49 vs 1.06±0.34)was elevated in the cord blood of pregnant women with PE in the severe and mild groups(q=37.942,14.437),and the expression level of lncRNA HIF1A-AS1 in the severe group was higher than that in the mild group(q=20.951),and the differences were statistically significant(all P<0.05).The incidence of adverse pregnancy outcomes in placenta and cord blood lncRNA HIF1A-AS1 high expression group was significantly higher than that in lncRNA HIF1A-AS1 low expression group(χ2=7.714,5.773,all P<0.05).Pearson correlation analysis showed that the expression level of lncRNA HIF1A-AS1 mRNA in placenta tissue was positively correlated with the level of lncRNA HIF1A-AS1 in cord blood(r=0.546,P<0.05).ROC curve analysis showed that the area under the curve of lncRNA HIF1A-AS1 in the placenta for the diagnosis of severe PE was 0.788,with a sensitivity and a specificity of 80.80%and 80.00%,respectively.The AUC of lncRNA HIF1A-AS1 in the cord blood for the diagnosis of severe PE was 0.829,with a sensitivity and a specificity of 80.80%and 88.00%,respectively.Logistic regression analysis showed that 24-hour proteinuria,and placental and cord blood lncRNA HIF1A-AS1 levels were independent risk factors for severe PE(all P<0.05).Conclusion LncRNA HIF1A-AS1 in the placenta and cord blood of PE pregnant women is significantly up-regulated,and it increases with the aggravation of the disease.Placenta and cord blood lncRNA HIF1A-AS1 have a certain diagnostic value for the occurrence of severe PE.Detection of lncRNA HIF1A-AS1 has important significance for the early and accurate diagnosis of PE and the prediction of the disease.

ObjectiveTo investigate the processing technology of calcined Haematitum based on the concept of quality by design（QbD） and to assess its health risk. MethodsTaking whole iron content， Fe²⁺ dissolution content and looseness as critical quality attributes（CQAs）， and calcination temperature， calcination time， spreading thickness and particle size as critical process parameters（CPPs） determined by the failure mode and effect analysis（FMEA）， the processing technology of calcined Haematitum was optimized by orthogonal test combined with analytic hierarchy process-criteria importance through intercriteria correlation（AHP-CRITIC） hybrid weighting method. The contents of heavy metals and harmful elements were determined by inductively coupled plasma mass spectrometry， and the health risk assessment was carried out by daily exposure（EXP）， target hazard quotient（THQ） and lifetime cancer risk（LCR）， and the theoretical value of the maximum limit was deduced. ResultsThe optimal processing technology for calcined Haematitum was calcination at 650 ℃， calcination time of 1 h， particle size of 0.2-0.5 cm， spreading thickness of 1 cm， and vinegar quenching for 1 time［Haematitum-vinegar（10：3）］. The contents of 5 heavy metals and harmful elements in 13 batches of calcined Haematitum were all decreased with reductions of up to 5-fold. The cumulative THQ of 2 batches of samples was>1， while the cumulative THQ of all batches of Haematitum was>1. The LCR of As in 1 batches of Haematitum was 1×10^-6-1×10^-4， and the LCR of the rest was<1×10^-6， and the LCRs of calcined Haematitum were all<1×10^-6， indicating that the carcinogenic risk of calcined Haematitum was low， but special attention should still be paid to Haematitum medicinal materials. Preliminary theoretical values of the maximum limits of Cu， As， Cd， Pb and Hg were formulated as 1 014， 25， 17， 27， 7 mg·kg^-1. ConclusionThe optimized processing technology of calcined Haematitum is stable and feasible， and the contents of heavy metals and harmful elements are reduced after processing. Preliminary theoretical values of the maximum limits of Cu， As， Cd， Pb and Hg are formulated to provide a scientific basis for the formulation of standards for the limits of harmful elements in Haematitum.

ObjectiveTo investigate the processing technology of calcined Haematitum based on the concept of quality by design（QbD） and to assess its health risk. MethodsTaking whole iron content， Fe²⁺ dissolution content and looseness as critical quality attributes（CQAs）， and calcination temperature， calcination time， spreading thickness and particle size as critical process parameters（CPPs） determined by the failure mode and effect analysis（FMEA）， the processing technology of calcined Haematitum was optimized by orthogonal test combined with analytic hierarchy process-criteria importance through intercriteria correlation（AHP-CRITIC） hybrid weighting method. The contents of heavy metals and harmful elements were determined by inductively coupled plasma mass spectrometry， and the health risk assessment was carried out by daily exposure（EXP）， target hazard quotient（THQ） and lifetime cancer risk（LCR）， and the theoretical value of the maximum limit was deduced. ResultsThe optimal processing technology for calcined Haematitum was calcination at 650 ℃， calcination time of 1 h， particle size of 0.2-0.5 cm， spreading thickness of 1 cm， and vinegar quenching for 1 time［Haematitum-vinegar（10：3）］. The contents of 5 heavy metals and harmful elements in 13 batches of calcined Haematitum were all decreased with reductions of up to 5-fold. The cumulative THQ of 2 batches of samples was>1， while the cumulative THQ of all batches of Haematitum was>1. The LCR of As in 1 batches of Haematitum was 1×10^-6-1×10^-4， and the LCR of the rest was<1×10^-6， and the LCRs of calcined Haematitum were all<1×10^-6， indicating that the carcinogenic risk of calcined Haematitum was low， but special attention should still be paid to Haematitum medicinal materials. Preliminary theoretical values of the maximum limits of Cu， As， Cd， Pb and Hg were formulated as 1 014， 25， 17， 27， 7 mg·kg^-1. ConclusionThe optimized processing technology of calcined Haematitum is stable and feasible， and the contents of heavy metals and harmful elements are reduced after processing. Preliminary theoretical values of the maximum limits of Cu， As， Cd， Pb and Hg are formulated to provide a scientific basis for the formulation of standards for the limits of harmful elements in Haematitum.

Objectives:The ORION-18 study has demonstrated that inclisiran can significantly reduce low-density lipoprotein cholesterol(LDL-C)and has good safety in Asian atherosclerotic cardiovascular disease(ASCVD)patients or ASCVD high-risk population.This subgroup analysis aims to further evaluate the efficacy and safety of inclisiran in Chinese mainland population.Methods:ORION-18 study is a multi-center,randomized,double-blind,placebo-controlled,phase Ⅲ clinical trial among Asian subjects,Chinese mainland subgroup included 232 ASCVD patients or ASCVD high-risk subjects who had already been treated with diet control and maximum tolerated doses of statins treatment(with or without other lipid-lowering treatments)but still had elevated LDL-C levels.Subjects were randomized in a 1:1 ratio to the inclisiran group and the placebo group(n=116 each),and received 300 mg of inclisiran or placebo respectively on day 0,90 and 270.The primary endpoint was the percentage change in LDL-C from baseline to day 330.The secondary endpoints included the time-adjusted percentage change and absolute change in LDL-C from baseline after day 90 and up to day 360,the absolute change in LDL-C from baseline to day 330,and the percentage changes from baseline to day 330 in proprotein convertase subtilisin/kexin type 9(PCSK9),total cholesterol,apolipoprotein B(ApoB),non-high-density lipoprotein cholesterol(non-HDL-C).Other secondary endpoints included the proportion of participants reaching LDL-C levels of<1.8 mmol/L at day 330,the proportion of participants with≥50%LDL-C reduction from baseline to day 330 and the proportion of participants who attained global lipid targets(the LDL-C target was<1.4 mmol/L for ASCVD patients and<1.8 mmol/L for ASCVD high-risk subjects)at day 330.Safety endpoints included adverse events during treatment,aboratory test abnormalities during treatment,serious adverse events,and assessed their severity and relation to treatment.Results:The inclisiran group showed a placebo-corrected percentage change in LDL-C from baseline to day 330 of-61.16%,and an absolute change of-1.73 mmol/L(both P<0.0001).Compared to the placebo group,the inclisiran group's time-adjusted percentage change in LDL-C from baseline between day 90 and day 360 was-58.51%,and an absolute change of was-1.64 mmol/L(both P<0.0001).At day 330,reductions from baseline were observed in the inclisiran group for PCSK9,total cholesterol,ApoB,non-HDL-C,with placebo-corrected percentage changes of-77.44%,-35.65%,-43.43%,-50.90%(all P<0.0001),respectively.At day 330,79.6%(74/93)of patients in the inclisiran group and 7.8%(6/77)in the placebo group achieved LDL-C levels<1.8 mmol/L,69.9%(65/93)of patients in the inclisiran group and 0%(0/77)in the placebo group achieved≥50%LDL-C reduction from baseline,66.7%(62/93)of patients in the inclisiran group and 2.6%(2/77)in the placebo group achieved their global LDL-C targets.The safety profile of inclisiran treatment over 12 months was comparable to that of the placebo,with no occurrence of treatment-related serious adverse events.Conclusions:In ASCVD patients or ASCVD high-risk subjects in Chinese mainland who have received diet control and maximum tolerable dose statins treatment(with or without other lipid-lowering treatments)and still have elevated LDL-C,inclisiran has a definite efficacy and good safety in reducing LDL-C.The efficacy and safety results of inclisiran assessed in Chinese mainland population are consistent with those of the general Asia population.

Objective To explore the expression of long non-coding RNA hypoxia-inducible factor 1 alpha antisense RNA-1(lncRNA HIF1A-AS1)levels in placenta and cord blood of pregnant women with preeclampsia(PE)and its clinical significance.Methods Fifty pregnant women with PE who underwent cesarean section in Renji Hospital,Shanghai Jiaotong University School of Medicine from January 2020 to January 2022 were selected as the research subjects,including 24 pregnant women with mild PE and 26 pregnant women with severe PE.During the same period,25 healthy pregnant women who underwent cesarean section at the hospital were selected as the control group.The general data on the admission of all patients were collected.The real-time fluorescence quantitative qRT-PCR method was used to detect the expression level of lncRNA HIF1A-AS1 in pregnant women's placenta tissue and cord blood.The relationship between lncRNA HIF1A-AS1 level and pregnancy outcome was analyzed.The Pearson method was used to analyze the correlation between the relative expression level of lncRNA HIF1A-AS1 mRNA in placenta tissue and the level of lncRNA HIF1A-AS1 in cord blood.The receiver operating characteristic(ROC)curve was used to analyze the diagnostic value of lncRNA HIF1A-AS1 in placenta and cord blood for severe PE.Logistic regression was used to analyze the influencing factors of severe PE.Results Compared with the control group,the level of lncRNA HIF1A-AS1(2.76±0.36,1.83±0.29 vs 1.03±0.21)was elevated in the placental tissues of pregnant women with PE in the severe and mild groups(q=29.687,13.456),and the expression level of lncRNA HIF1A-AS1 in the severe group was higher than that in the mild group(q=15.792),and the differences were statistically significant(all P＜0.05).Compared with the control group,the level of lncRNA HIF1A-AS1(4.68±0.58,2.66±0.49 vs 1.06±0.34)was elevated in the cord blood of pregnant women with PE in the severe and mild groups(q=37.942,14.437),and the expression level of lncRNA HIF1A-AS1 in the severe group was higher than that in the mild group(q=20.951),and the differences were statistically significant(all P<0.05).The incidence of adverse pregnancy outcomes in placenta and cord blood lncRNA HIF1A-AS1 high expression group was significantly higher than that in lncRNA HIF1A-AS1 low expression group(χ2=7.714,5.773,all P<0.05).Pearson correlation analysis showed that the expression level of lncRNA HIF1A-AS1 mRNA in placenta tissue was positively correlated with the level of lncRNA HIF1A-AS1 in cord blood(r=0.546,P<0.05).ROC curve analysis showed that the area under the curve of lncRNA HIF1A-AS1 in the placenta for the diagnosis of severe PE was 0.788,with a sensitivity and a specificity of 80.80%and 80.00%,respectively.The AUC of lncRNA HIF1A-AS1 in the cord blood for the diagnosis of severe PE was 0.829,with a sensitivity and a specificity of 80.80%and 88.00%,respectively.Logistic regression analysis showed that 24-hour proteinuria,and placental and cord blood lncRNA HIF1A-AS1 levels were independent risk factors for severe PE(all P<0.05).Conclusion LncRNA HIF1A-AS1 in the placenta and cord blood of PE pregnant women is significantly up-regulated,and it increases with the aggravation of the disease.Placenta and cord blood lncRNA HIF1A-AS1 have a certain diagnostic value for the occurrence of severe PE.Detection of lncRNA HIF1A-AS1 has important significance for the early and accurate diagnosis of PE and the prediction of the disease.