Objective To investigate the associations of reproductive health indicators with lung function and chronic obstructive pulmonary disease(COPD)among women aged 40 years and above.Methods From Jul to Sep,2021,female subjects aged 40 years and above were randomly selected from the Shanghai Suburban Adult Cohort and Biobank for COPD screening.A questionnaire was used to obtain information on demographic characteristics and reproductive health indicators.Linear regression was used to analyze the effects of reproductive health indicators on forced vital capacity(FVC)and forced expiratory volume in the first second(FEV1).Logistic regression was also used to analyze the effects of reproductive health factors on FVC as a percentage of the predicted value(FVC%Pred)and FEV1%Pred as well as on COPD.Results A total of 1876 women aged 40 years and above were enrolled with mean age of(62.1±8.2)years old,among them,78.1%were menopausal,and 40.9%had been pregnant≥3 times.Multivariate analysis showed that FVC and FEV1 decreased in postmenopausal women,but menopause was not associated with a decrease in their percentage of predicted values.Pregnancies≥3 times was a risk factor for COPD(for 3 times,OR=4.92,95%CI:1.48-19.95,P<0.05;for≥4 times,OR=9.06,95%CI:2.32-41.57,P<0.01),while pregnancies of 2 times did not increase the risk of COPD.Conclusion In women aged 40 years and above,menopause is associated with poorer FVC and FEV1,and excessive pregnancy(≥3 times)is a risk factor for COPD.

Aim To study the effect of paeonol on macrophage phenotvpe conversion based on estrogen receptora (ERa).Methods The macrophage Ml polarization model was established by 100 jjig • L"' LPS and 20 pug • L_1 I FN-7.ELISA was used to examine the effects of paeonol on tumor necrosis factor-a ( TNF-cx ) , interleukin-1 £ ( 1L-1 £ ) , interleukin-10 (IL-10), superoxide dismutase (SOD) , and malondi- aldehyde ( MDA).Western blot was used to detect the expression of M1 phenotvpe markers iNOS, CD86 and M2 phenotvpe markers Arg-1 and CD 163 in macrophages.Further, the methods of blockers and shRNA interference were used to verify whether the effect of paeonol was mediated by ERa.Results ELISA results shower] that paeonol reduced the content of TNF-a, IL- lp and MDA, and increased the content of IL-10 and SOD.Western blot results showed that paeonol reduced the expression of iNOS and CD86 proteins in model group, and increased the expression of Arg-1 and CD163 proteins.Both ERa selective blocker MPP and ERa shRNA reduced the efficacy of paeonol, while ERp selective blocker PHTPP had no significant effect on paeonol.Conclusion Paeonol can induce the transformation of macrophages into M2 type by ERa and alleviate the progression of atherosclerosis.

China/epidemiology* ; Diabetes Mellitus, Type 2/etiology* ; Dyslipidemias/epidemiology* ; Humans ; Incidence ; Prospective Studies

Programmed cell death ligand 1 (PD-L1)/programmed cell death protein 1 (PD-1) cascade is an effective therapeutic target for immune checkpoint blockade (ICB) therapy. Targeting PD-L1/PD-1 axis by small-molecule drug is an attractive approach to enhance antitumor immunity. Using flow cytometry-based assay, we identify tubeimoside-1 (TBM-1) as a promising antitumor immune modulator that negatively regulates PD-L1 level. TBM-1 disrupts PD-1/PD-L1 interaction and enhances the cytotoxicity of T cells toward cancer cells through decreasing the abundance of PD-L1. Furthermore, TBM-1 exerts its antitumor effect in mice bearing Lewis lung carcinoma (LLC) and B16 melanoma tumor xenograft

Objective:To analyze active components， its targets and signaling pathways of Shenlian formula based on network pharmacology， and explore the molecular mechanism of Shenlian formula in the treatment of atherosclerotic cardiovascular disease （ASCVD）， in order to provide a basis for the rational interpretation of the prescription compatibility of Shenlian formula. Method:Major chemical compounds of the formula were obtained by SymMap and Systematic pharmacology database and analysis platform of Traditional Chinese Medicine （TCMSP）， its target proteins were obtained by SymMap and ETCM Databases， and the pathogenic genes responsible for of ASCVD were obtained by DisGeNET and GEO Datebases. Protein targets of drugs and pathogenic genes of diseases were overlapped to obtain predicted targets of Shenlian Formula for ASCVD. Proteins-proteins interactions （PPI） network was built through the String Datebase. The Cytoscape 3.6.0 was used to explore the key compounds and targets of Shenlian formula on ASCVD. Then gene ontology （GO） enrichment and Kyoto Encyclopedia of Genes and Genomes （KEGG） signaling pathway were analyzed to screen out the key targets of Shenlian Formula. Rat I/R model was adopted as representative disease model of ASCVD for experimental verification. Result:There were 59 candidate compounds， 67 predicted targets and 29 key targets of Shenlian formula on ASCVD. Key targets mainly included cyclooxygenase 2 （PTGS2）， estrogen receptor 1 （ESR1） and TP53. GO analysis showed that the biological functions of potential genes of Shenlian formula in treatment of ASCVD were mainly related to apoptotic， nitric oxide biosynthetic process， response to estradiol， angiogenesis， inflammatory response and oxidative stress and acute-phase response. KEGG pathway enrichment results showed that the pathways of potential genes of Shenlian formula in treatment of ASCVD mainly involved TNF signaling pathway， phosphatidylinositol-3 kinase （PI3K）/ protein kinase B （Akt） signaling pathway， hypoxia induction factor-1 （HIF-1） signaling pathway and apoptosis. Among them， the regulatory effect of Shenlian formula on apoptosis may act on not only TP53， but also different signaling pathways of apoptosis respectively， thus playing a synergistic effect. In vivo experimentation confirmed that Shenlian formula could significantly reduce the myocardial infarction area， improve the myocardial histopathological changes， and especially reduce myocardial mitochondrial injury. Further analysis showed that Shenlian formula can significantly inhibit the expressions of activated proteins in mitochondrial apoptosis pathway. Conclusion:Anti-atherosclerosis traditional Chinese medicine Shenlian formula could effectively intervene ASCVD， and its effect on mitochondrial apoptosis of myocardial cells is one of its mechanisms in protecting myocardial ischemia-reperfusion injury.

Objective: Several COVID-19 patients have overlapping comorbidities. The independent role of each component contributing to the risk of COVID-19 is unknown, and how some non-cardiometabolic comorbidities affect the risk of COVID-19 remains unclear. Methods: A retrospective follow-up design was adopted. A total of 1,160 laboratory-confirmed patients were enrolled from nine provinces in China. Data on comorbidities were obtained from the patients' medical records. Multivariable logistic regression models were used to estimate the odds ratio ( Results: Overall, 158 (13.6%) patients were diagnosed with severe illness and 32 (2.7%) had unfavorable outcomes. Hypertension (2.87, 1.30-6.32), type 2 diabetes (T2DM) (3.57, 2.32-5.49), cardiovascular disease (CVD) (3.78, 1.81-7.89), fatty liver disease (7.53, 1.96-28.96), hyperlipidemia (2.15, 1.26-3.67), other lung diseases (6.00, 3.01-11.96), and electrolyte imbalance (10.40, 3.00-26.10) were independently linked to increased odds of being severely ill. T2DM (6.07, 2.89-12.75), CVD (8.47, 6.03-11.89), and electrolyte imbalance (19.44, 11.47-32.96) were also strong predictors of unfavorable outcomes. Women with comorbidities were more likely to have severe disease on admission (5.46, 3.25-9.19), while men with comorbidities were more likely to have unfavorable treatment outcomes (6.58, 1.46-29.64) within two weeks. Conclusion Besides hypertension, diabetes, and CVD, fatty liver disease, hyperlipidemia, other lung diseases, and electrolyte imbalance were independent risk factors for COVID-19 severity and poor treatment outcome. Women with comorbidities were more likely to have severe disease, while men with comorbidities were more likely to have unfavorable treatment outcomes.
Adult ; Aged ; COVID-19/virology* ; China/epidemiology* ; Comorbidity ; Female ; Humans ; Male ; Middle Aged ; Retrospective Studies ; Severity of Illness Index ; Treatment Outcome

A new isoquinoline alkaloid(1) has been isolated from the whole plant of Thalictrum glandulosissimum by using various chromatographic techniques, including silica gel, sephadex, MCI-gel resin, and RP-HPLC, and its structure was determined as 1-(6-hydroxy-7-methylisoquinolin-1-yl) ethantone by physicochemical properties and spectroscopic data. This compound was evaluated for anti-tobacco mosaic virus(TMV) activity. The results showed that it had prominent anti-TMV activity with inhibition rates of 28.4%. This rate was closed to that of positive control.
Alkaloids ; Antiviral Agents ; Isoquinolines ; Thalictrum ; Tobacco Mosaic Virus

Scutellariae Radix(Huangqin) is a well-known traditional Chinese medicine(TCM) used for the treatment of clearing heat in clinical application. It is bitter-cold by using directly, but the bitter-cold property can be relieved after wine-frying. The study of taste changes before and after wine-frying of Scutellariae Radix is of great significance in identifying Scutellariae Radix and wine-processed Scutellariae Radix and clarifying the traditional theory of wine-processing. In this experiment, 10 batches of Scutellariae Radix and wine-processed Scutellariae Radix were prepared. The contents of 5 flavonoids were determined by high performance liquid chromatography(HPLC), and principal component analysis(PCA) was performed with 5 flavonoids as variables. As a result, the contents were different in different batches of Scutellariae Radix, but Scutellariae Radix and wine-processed Scutellariae Radix could not be distinguished. Five sensory attributes(sour, salty, fresh, sweet, and bitter) were evaluated by artificial tasting, and the response values of 7 sensors(AHS, AHS, PKS, CTS, NMS, CPS, ANS, SCS) representing the taste of pieces were detected by electronic tongue. The correlation between sensory evaluation and response values of the electronic tongue were analyzed, and the results showed that the sensory evaluation of sour, salty, fresh, sweet, bitter and AHS, CTS, NMS, ANS, SCS sensors had different degrees of correlation, indicating that the electronic tongue technology can be used as an alternative to artificial taste and can serve as a means for quantifying the taste, and it can be used to evaluate the taste of TCM pieces. The taste method was used to analyze the response values of the electronic tongue, and the results showed that the bitterness of wine-processed Scutellariae Radix decreased and the salty taste increased. PCA was used to analyze taste changes before and after wine-processed Scutellariae Radix, and the results showed that taste differences between 2 pieces were divided into 2 categories. PCA loading scattering plots showed that response of saltiness and bitterness were the major factors to affect overall taste in Scutellariae Radix and wine-processed Scutellariae Radix. Based on electronic tongue response values, the Fisher discriminant model for Scutellariae Radix and wine-processed Scutellariae Radix was established, which showed that it could effectively discriminate them with a recognition rate of 100%. The experimental results showed that the electronic tongue combined with multivariate statistical analysis can be used to evaluate taste of TCM, at the same time, it could provide a fast and simple method for identifying different processed products.
Chromatography, High Pressure Liquid ; Medicine, Chinese Traditional ; Scutellaria baicalensis ; Taste ; Wine ; analysis

Objective To observe the effect of rosiglitazone on the protein expression of AMPK and GLUT4 in peripheral tissue (liver, skeletal muscle and fat) of type 2 diabetic db/db mice and to prove that rosiglitazone can regulate the glucose metabolism in db/db mice partly through the AMPK pathway. Methods db/db mice were randomly divided into model group and rosiglitazone group according to their blood glucose.The db/m mice were normal control group.After 4 weeks of administration, fasting blood glucose was detected in each group.Western blot was used to detect the contents of AMPK, p-AMPK and GLUT4 in liver, skeletal muscle and adipose tissue. Results (1) Rosiglitazone significantly reduced the fasting blood glucose of db/db mice; (2)Rosiglitazone increased the level of AMPK phosphorylation in the liver, skeletal muscle and adipose tissue of db/db mice, and increased the content of GLUT4 protein in skeletal muscle and adipose tissue. Conclusion Rosiglitazone can increase the phosphorylation of AMPK and the expression of GLUT4 protein in the liver, muscle and fat tissue of db/db mice, and promote the uptake and utilization of glucose in peripheral tissue, suggesting that it can regulate glucose metabolism in db/db mice partly through the AMPK pathway.

Objective: To investigate the inhibitory effect on Burkholderia pseudomallei (B. pseudomallei) strain HNBP001 of a bacillomycin D-like cyclic lipopeptide compound named bacillomycin DC isolated from Bacillus amyloliquefaciens HAB-2. Methods: The antibacterial effect of bacillomycin DC on B. pseudomallei was determined using the disk diffusion method. The minimum inhibitory concentrations were evaluated by microdilution assay. In addition, transmission electron microscopy was performed and quantitative real-time polymerase chain reaction assay was carried out to determine the expression of MexB, OprD2, and qnrS genes. Results: Bacillomycin DC produced an inhibition zone against B. pseudomallei with minimum inhibitory concentration values of 12.5 μg/mL 24 h after treatment and 50 μg/mL at 48 and 72 h. Transmission electron microscopy showed that bacillomycin DC resulted in roughening cell surface and cell membrane damage. Quantitative real-time polymerase chain reaction analysis showed low expression of MexB, OprD2 and qnrS genes. Conclusions: Bacillomycin DC inhibits the growth of B. pseudomallei and can be a new candidate for antimicrobial agents of B. pseudomallei. Rajaofera Mamy 1 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Kang Xun 2 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Jin Peng-Fei 3 Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou 570228, Hainan Chen Xin 4 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Li Chen-Chu 5 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Yin Li 6 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Liu Lin 7 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Sun Qing-Hui 8 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Zhang Nan 9 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Chen Chui-Zhe 10 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan He Na 11 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Xia Qian-Feng 12 Key Laboratory of Tropical Translational Medicine of Ministry of Education and School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, Hainan Miao Wei-Guo 13 Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou 570228, Hainan Kung CT, Lee CH, Li CJ, Lu HI, Ko SF, Liu JW. 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