1.Determination method of clopidogrel and its metabolites in rat plasma and its pharmacokinetic study
Huan YI ; Lan MIAO ; Changying REN ; Li LIN ; Mingqian SUN ; Qing PENG ; Ying ZHANG ; Jianxun LIU
China Pharmacy 2025;36(13):1599-1603
OBJECTIVE To establish a method for determining the contents of clopidogrel (CLP), clopidogrel carboxylate (CLP-C), clopidogrel acyl-β-D-glucuronide (CLP-G) and contents of clopidogrel active metabolite (CAM) in rat plasma, and to investigate their in vivo pharmacokinetic characteristics. METHODS The Shisedo CAPCELL ADME column was used with a mobile phase consisting of water and acetonitrile (both containing 0.1% formic acid) in a gradient elution. The flow rate was 0.4 mL/min, and the column temperature was maintained at 20 ℃. The injection volume was 2 μL. The analysis was performed in positive ion mode using electrospray ionization with multiple reaction monitoring. The ion pairs for quantitative analysis were m/z 322.1→211.9 (for CLP), m/z 308.1→197.9 (for CLP-C), m/z 322.1→154.8 (for CLP-G), m/z 504.1→154.9 [for racemic CAM derivative (CAMD)]. Six rats were administered a single intragastric dose of CLP (10 mg/kg). Blood samples were collected before medication and at 0.08, 0.33, 0.66, 1, 2, 4, 6, 10, 23 and 35 hours after medication. The established method was used to detect the serum contents of various components in rats. Pharmacokinetic parameters were then calculated using WinNonlin 6.1 software. RESULTS The linear ranges for CLP, CLP-C and CAMD were 0.08-20.00, 205.00-8 000.00, and 0.04-25.00 ng/mL, respectively (r≥0.990). The relative standard deviations for both intra-day and inter-day precision tests were all less than 15%, and the relative errors for accuracy ranged from -11.68% to 14.40%. The coefficients of variation for the matrix factors were all less than 15%, meeting the requirements for bioanalytical method validation. The results of the pharmacokinetic study revealed that, following a single intagastric administration of CLP in rats, the exposure to the parent CLP in plasma was extremely low. Both the area under the drug concentration-time curve (AUC0-35 h) and the peak concentration of the parent CLP were lower than those of its metabolites. The AUC0-35 h of the active metabolite CAM was approximately 43 times that of CLP, though it had a shorter half-life (2.53 h). The inactive metabolite CLP-C exhibited the highest exposure level, but it reached its peak concentration the latest and was eliminated slowly. The AUC0-35 h of CLP-G was about four times that of CAM, and its half-life was similar to that of CLP-C. CONCLUSIONS This study successfully established an liquid chromatography-tandem mass spectrometry method for the determination of CLP and its three metabolites, and revealed their pharmacokinetic characteristics in rats. Specifically, the parent drug CLP was rapidly eliminated, while the inactive metabolites CLP-C and CLP-G exhibited long half-lives, and active metabolite CAM displayed a transient exposure pattern.
2.Investigation of therapeutic effects and mechanisms of Shenqi Buqi Granules on patients with chronic heart failure of Qi deficiency based on proteomics.
Zhi-Bo WANG ; Ying LI ; Lan MIAO ; Jun-Guo REN ; Jian-Xun LIU
China Journal of Chinese Materia Medica 2025;50(11):3168-3179
This study explored the efficacy and mechanisms of Shenqi Buqi Granules in treating chronic heart failure(CHF) of Qi deficiency using proteomics and bioinformatics methods. A total of 18 healthy participants(health group) and 19 patients with Qi deficiency-type CHF(experimental group) were enrolled and treated with Shenqi Buqi Granules for 12 weeks. Clinical indicators, including Qi deficiency scores, complete blood count, biochemical parameters, lipid profiles, and cardiac function, were collected from pre-and post-experimental groups. Serum proteomics analysis was performed. Differential proteins were screened through differential analysis and K-means clustering. Further analyses, including subcellular localization, Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment, and protein-protein interaction(PPI) network construction, were conducted to identify pathways and proteins associated with Shenqi Buqi Granules treatment. Spearman correlation analysis focused on proteins most correlated with the core phenotype of CHF of Qi deficiency. The results show that Shenqi Buqi Granules treatment reduced Qi deficiency scores and brain natriuretic peptide levels of pre-experimental group. A total of 1 594 proteins were quantified in the proteomics analysis, with 98 proteins showing differential expression between healthy group and experimental group before and after treatment. Subcellular localization analysis revealed 6 protein sources, while KEGG pathway enrichment highlighted biological processes including angiogenesis, immune inflammation, calcium homeostasis, cytoskeletal regulation, protein synthesis, and energy metabolism. Core genes identified included CD34, CSF1, CALM1, CALML3, PPP1CA, PFN1, and 3 ribosomal large subunit proteins. Correlation analysis between core proteins and Qi deficiency scores revealed that CD34(r=-0.67, P<0.05) and PPP1CA(r=0.62, P<0.01) were most strongly associated with Qi deficiency scores. This study suggests that Shenqi Buqi Granules improves Qi deficiency scores and CHF symptoms by regulating angiogenesis, immune inflammation, calcium homeostasis, cytoskeletal regulation, protein synthesis, and energy metabolism. CD34 and PPP1CA are identified as core proteins involved in the therapeutic effects of Shenqi Buqi Granules on Qi deficiency.
Humans
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Drugs, Chinese Herbal/therapeutic use*
;
Heart Failure/metabolism*
;
Male
;
Female
;
Proteomics
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Middle Aged
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Qi
;
Aged
;
Protein Interaction Maps/drug effects*
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Adult
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Chronic Disease
3.Research progress in regulatory mechanism and traditional Chinese medicine intervention of circular RNA for coronary atherosclerotic heart disease
Lan-Tian HU ; Xue-Na XIE ; Yu-Ying WANG ; Mei LIU ; Hong-Ai GUO ; Rong YUAN ; Qi-Qi XIN ; Yu MIAO ; Wei-Hong CONG
Chinese Pharmacological Bulletin 2024;40(11):2014-2019
Coronary atherosclerotic heart disease(CHD)is an ischemic cardiovascular condition caused by the narrowing or blockage of the vascular lumen due to coronary atherosclerosis.Clinically,it presents as angina pectoris,heart failure,or sud-den cardiac death,and stands as one of the primary causes of mortality among both urban and rural populations in China.Cir-cRNA,classified as non-coding RNAs,can function as upstream regulatory molecules for miRNA or RNA-binding proteins.They actively participate in various pathological processes associated with CHD,including endothelial cell dysfunction,smooth mus-cle cell migration,macrophage-derived foam cell formation,an-giogenesis,myocardial injury,and repair,as well as post-in-farction heart failure.The expression pattern of these molecules is highly specific to the illness and tissue,indicating their poten-tial as therapeutic targets for disease management and as biomar-kers.Furthermore,they also open up new avenues for drug tar-get development in the field of traditional Chinese medicine.This article aims to provide an overview of the recent research progress on circRNA in the regulation of coronary heart disease,as well as the mechanisms involved in traditional Chinese medi-cine.It serves as a valuable reference for future research on cor-onary heart disease.
4.Anticancer Activity of Diosgenin and Its Molecular Mechanism.
Qun-Li REN ; Qian WANG ; Xin-Qun ZHANG ; Miao WANG ; Huan HU ; Jun-Jie TANG ; Xiong-Tong YANG ; Ying-Hui RAN ; Huan-Huan LIU ; Zhi-Xing SONG ; Jian-Guo LIU ; Xiao-Lan LI
Chinese journal of integrative medicine 2023;29(8):738-749
Diosgenin, a steroidal sapogenin, obtained from Trigonella foenum-graecum, Dioscorea, and Rhizoma polgonati, has shown high potential and interest in the treatment of various cancers such as oral squamous cell carcinoma, laryngeal cancer, esophageal cancer, liver cancer, gastric cancer, lung cancer, cervical cancer, prostate cancer, glioma, and leukemia. This article aims to provide an overview of the in vivo, in vitro, and clinical studies reporting the diosgenin's anticancer effects. Preclinical studies have shown promising effects of diosgenin on inhibiting tumor cell proliferation and growth, promoting apoptosis, inducing differentiation and autophagy, inhibiting tumor cell metastasis and invasion, blocking cell cycle, regulating immunity and improving gut microbiome. Clinical investigations have revealed clinical dosage and safety property of diosgenin. Furthermore, in order to improve the biological activity and bioavailability of diosgenin, this review focuses on the development of diosgenin nano drug carriers, combined drugs and the diosgenin derivatives. However, further designed trials are needed to unravel the diosgenin's deficiencies in clinical application.
Male
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Humans
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Carcinoma, Squamous Cell/drug therapy*
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Diosgenin/metabolism*
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Mouth Neoplasms/drug therapy*
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Apoptosis
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Prostatic Neoplasms/drug therapy*
5.Application and Prospect of Platelet Multi-Omics Technology in Study of Blood Stasis Syndrome.
Ying LI ; Ming-Qian SUN ; Lei LI ; Ye-Hao ZHANG ; Lan MIAO ; Jian-Xun LIU
Chinese journal of integrative medicine 2022;28(2):99-105
The abnormality of platelet function plays an important role in the pathogenesis and evolution of blood stasis syndrome (BSS). The explanation of its mechanism is a key scientific issue in the study of cardiovascular and cerebrovascular diseases and treatment. System biology technology provides a good technical platform for further development of platelet multi-omics, which is conducive to the scientific interpretation of the biological mechanism of BSS. The article summarized the pathogenesis of platelets in BSS, the mechanism of action of blood activating and stasis resolving drugs, and the application of genomics, proteomics, and metabonomics in platelet research, and put forward the concept of "plateletomics in BSS". Through the combination and cross-validation of multi-omics technology, it mainly focuses on the clinical and basic research of cardiovascular and cerebrovascular diseases; through the interactive verification of multi-omics technology and system biology, it mainly focuses on the platelet function and secretion system. The article systematically explains the molecular biological mechanism of platelet activation, aggregation, release, and other stages in the formation and development of BSS, and provides a new research idea and method for clarifying the pathogenesis of BSS and the mechanism of action of blood activating and stasis resolving drugs.
Blood Platelets
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Hemostasis
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Platelet Activation
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Proteomics
;
Technology
6.Regulatory Effect of Quyu Huatan Tongmai Prescription on Intestinal Microflora in Golden Hamster with Hyperlipidemia
Lan MIAO ; Qing PENG ; Ming-qian SUN ; Ye-hao ZHANG ; Ying ZHANG ; Chang-ying REN ; Jian-xun LIU ; Li LIN
Chinese Journal of Experimental Traditional Medical Formulae 2022;28(1):109-120
ObjectiveTo explore the regulatory effect of Quyu Huatan Tongmai prescription on intestinal mircoflora of hyperlipidemia golden hamster and scientific evidence for the compatibility. MethodSyrian golden hamsters were randomized into normal, model, prescription, stasis-dispelling (Quyu), phlegm-dissolving (Huatan), and detoxification (Jiedu) groups, with 8 in each group. Hyperlipidemia in golden hamsters was induced by high-fat diet (4 weeks). Then hamsters in the Quyu group (1.11 g·kg-1), Huatan group (0.39 g·kg-1), Jiedu group (0.07 g·kg-1), and prescription group (1.42 g·kg-1) were given (ig) corresponding drugs and those in the normal group and the model group received (ig) distilled water of equivalent volume, once a day for 6 weeks. Serum lipids were determined, and hematoxylin-eosin (HE) staining was used to observe the pathological morphology of the liver. Feces were collected for 16S rRNA gene high-throughput sequencing of intestinal flora. ResultCompared with normal group, the model group demonstrated increase in body weight (P<0.05, P<0.01) and blood lipids (P<0.01), decrease in intestinal flora diversity (P<0.05, P<0.01), and variation of the relative abundance of intestinal flora at phylum, family, and genus levels (P<0.05, P<0.01). Compared with the model group, Quyu Huatan Tongmai prescription controlled the body weight change, reduced the serum triglyceride (TG), total cholesterol (TC), and low density lipoprotein cholesterol/high density lipoprotein cholesterol ratio (LDL-C/HDL-C) (P<0.05, P<0.01), improved the structure of intestinal flora, decreased the ratio of Firmicutes to Bacteroides (P<0.01), raised the abundance of Bacteroidaceae, Porphyromonadaceae, Rikenellaceae, and Pasteurella (P<0.05, P<0.01), and lowered the relative abundance of Coriobacterium (P<0.05) in hyperlipidemia golden hamsters. All the split prescriptions improved blood lipids and intestinal flora of the hamsters and particularly, the lipids-lowering effect of the Jiedu group and the regulation of flora in the Huatan group were closer to those of the prescription group. ConclusionQuyu Huatan Tongmai prescription and the split prescriptions all alleviated the hyperlipidemia of golden hamsters to different degrees possibly by regulating intestinal flora structure and improving intestinal microecology. The effect of the prescription group was most significant, and coming in second was the Huatan group. This study also provides scientific evidence for the effect of Quyu Huatan Tongmai prescription.
7.Combination characteristics of frankincense and myrrh and progress and prospect of their combination efficacy and mechanism.
Shu-Lan SU ; Xiao-Dong MIAO ; Jia-Shang LI ; Li-Hui ZHAO ; Ruo-Ying FAN ; Er-Xin SHANG ; Yue ZHU ; Da-Wei QIAN ; Jin-Ao DUAN
China Journal of Chinese Materia Medica 2022;47(21):5789-5796
Herbal pair is formed based on the experience summary of doctors' deep understanding and perception of the medicinal nature in long-term clinical practice. It gradually becomes the exquisite structural unit for preparing traditional Chinese medicine(TCM) prescriptions, and often plays a core bridge role in the prescription combination. Frankincense and myrrh are raw resin materials of incense abroad, which are subsequently included as Chinese medicinal herbs and endowed with rich medicinal connotation. With the functions of relaxing Zang-fu organs, activating blood and relieving pain, they have definite clinical efficacy. From the perspective of herbal description and clinical application, this study systematically analyzed the combination of frankincense and myrrh as well as their combination proportion, efficacy characterization, diseases and syndromes, effective components and action mechanism. On this basis, the focus of in-depth research of frankincense-myrrh and the application prospects were proposed, in order to further reveal the potential meditation law of this herbal pair, thus contributing to clinical practice and drug innovation of traditional Chinese medicine, and providing reference for understanding of TCM medicinal nature and research of herbal pairs.
Humans
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Frankincense/chemistry*
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Commiphora
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Resins, Plant/chemistry*
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Medicine, Chinese Traditional
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Drugs, Chinese Herbal/therapeutic use*
8.Standardized manipulations for pediatric Tuina in medical institutions
Xiaoxue LAN ; Yue WANG ; Ying ZHANG ; Qianji CHEN ; Yuanwen LIANG ; Rong ZHOU ; Sirui GU ; Yi AN ; Kexin SHANG ; Wenke LIU ; Xingzhu YE ; Hui SHAO ; Miao JIANG ; Changhe YU ; Hong CHEN
International Journal of Traditional Chinese Medicine 2022;44(12):1327-1346
The standardization of pediatric Tuina is beneficial to pediatric Tuina practitioners in a norm practices. The paper collects the content from teaching textbooks, TCM ancient books and database literature, and tries to develop the technical specifications of pediatric Tuina by four rounds Delphi surveys and expert consensus. This specification covers the manipulation of pediatric Tuina, the position of acupoints, the effects of acupoints and the diagnosis and treatment of pediatric Tuina, including indications, contraindications, cautious use, operation steps and methods.
10.Relationship between sleep duration, sleep time and brachial-ankle pulse wave velocity
Lan SHI ; Qiao ZHANG ; Miao ZHANG ; Nianchun PENG ; Ying HU ; Rui WANG ; Xuemei LIU ; Lixin SHI
Chinese Journal of Endocrinology and Metabolism 2022;38(5):398-402
Objective:Explore the relationship between sleep duration, sleep time and brachial-ankle pulse wave velocity(baPWV) in community population.Methods:Questionnaire, physical examination, blood tests, and baPWV detection were applied to a community based population. Finally, 3 912 subjects with complete data were included in the study. The relationship between sleep duration, time to fall asleep and PWV was evaluated with binary logistic regression analysis. Results:Being adjusted for age, sex, prevalence of diabetes, sleep condition, body mass index, blood glucose, blood pressure, dyslipidemia, ankle-brachial index, sleep duration and time to fall asleep were correlated with PWV. The risk of PWV abnormalities was increased in the≥8 h group compared to the 6-8 h group( OR=1.155, 95% CI 0.995-1.367, P=0.037). The risk of abnormalities PWV was higher in the group with sleep time after 00: 00 than in the group -23: 00( OR=1.482, 95% CI 1.008-2.179, P=0.045). Conclusion:Long sleep duration(≥8 h) and late sleep time(after 00: 00) may be associated with higher risk of atherosclerosis.

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