Latest Issue
2015 Year 21 Vol. 2 Issue
- Abstract：In the 21st century, the public are more informed, mainly via the Internet, about health and medical products and have become more knowledgeable about matters relating to their health conditions and well-being in curing and preventing illnesses. They often self-medicate themselves with various health products and over-the-counter (OTC) medicines apart from prescribed pharmaceutical drugs (PD). Some of those non-prescribed products may have doubtful quality control and contain harmful additives or unchecked ingredients; thus their usefulness is in doubt. The increasing popularity world-wide of using Chinese medicines (CM) and related OTC functional products has raised concerns over their concomitant use with PD and the consequential adverse effects. In most cases the alleged causes of adverse effects are linked with herbal sources, although the authorised information on the interactions between CM-PD is not plentiful in the literature. There is an urgent need for such a data base. The future professionals in health and medical care should be knowledgeable or aware of what their patients have been taking or given. In actual practice the patients may receive both treatments intentionally or unintentionally, with or without the awareness of the practitioner. In these situations a reliable database for interactions between CM-PD will be extremely useful for consultation when treatment problems appear or during emergency situations. Their combining of medications may be involved with possible outcomes of adverse reactions or beneficial effects. Such a database will be welcomed by both practitioners of herbal medicines and orthodox medicine practitioners in the emerging trend of integrative medicine. The author has been involved in various research projects of basic and clinical aspects in mainly CM among other herbal and PD. Examples will be given largely on those related to these disciplines as illustrations in this overview.Keywords：Chinese medicines and pharmaceutical drugs interactions;adverse effects;beneficial co-treatment;herb-drug interaction;possible mechanisms;future directions
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Published：2021-08-27 - Abstract：Stroke is an important cause of mortality and morbidity worldwide but effective therapeutic strategy for the prevention of brain injury in patients with cerebral ischemia is lacking. Although tissue plasminogen activator has been used to treat stroke patients, this therapeutic strategy is confronted with ill side effects and is limited to patients within 3 h of a stroke. Due to the complexity of the events and the disappointing results from single agent trials, the combination of thrombolytic therapy and effective neural protection therapy may be an alternative strategy for patients with cerebral ischemia. Chinese medicine (CM) is the most widely practiced form of herbalism worldwide, as it is a sophisticated system of medical theory and practice that is specifically different from Western medicine. Most traditional therapeutic formulations consist of a combination of several drugs. The combination of multiple drugs is thought to maximize therapeutic efficacy by facilitating synergistic actions and preventing possible adverse effects while at the same time marking at multiple targets. CM has been labeled in ancient medicine systems as a treatment for various diseases associated with stroke. This review summarizes various CMs, bioactive compounds and their effects on cerebral ischemia.Keywords：Taohong Siwu Decoction;Xuefu Zhuyu Decoction;xanthohumol;andrographolide;stroke;Chinese Medicine
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Published：2021-08-27 - Abstract：Associated with the aging of our world population is a sharp increase in the incidence of Alzheimer’s disease, which not only poses a significant health issue but also presents a serious social problem. Although pharmacological treatments were developed based on existing hypotheses, the disease pathogenesis remains to be fully elucidated. Given the complexity of Alzheimer’s disease, Chinese herbal medicine appears to have therapeutic potential for Alzheimer’s disease through multi-target and multi-pathway approach at cellular and molecular levels and holistic adjustment of the body at organ system levels. Recently, a significant breakthrough has been made in the research of Chinese medicine for Alzheimer’s disease. In this article, we review the experimental research progress in understanding how Chinese medicine could be used for the treatment of Alzheimer’s disease.Keywords：Alzheimer’ s disease;amyloid-25∼35 protein;herbal medicine
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Published：2021-08-27 - Abstract：To investigate whether the serum levels of inflammation-related cytokines might be different between the healthy individuals and the psoriatic patients diagnosed of three varied Chinese medicine (CM) syndromes [blood-stasis syndrome (BSS), blood-dryness syndrome (BDS) and wind-heat syndrome (WHS)]. A total of 62 psoriatic patients were recruited and assigned to 3 groups according to their CM syndromes, including 27 patients of BSS, 21 of BDS and 14 of WHS. Another 20 sex- and age-matched healthy subjects were enrolled into the control group. Serum concentrations of multiple cytokines, including monocyte chemotactic protein-1 (MCP-1), macrophage inflammatory protein-1α (MIP-1α), soluble CD4O ligand (SCD40L), tumor necrosis factor-α (TNF-α), epidermal growth factor (EGF), interleukin-8 (IL-8), interleukin-17 (IL-17), interferon γ inducible protein-10 (IP-10) and vascular endothelial growth factor (VEGF), were measured by a multiplexed flow cytometric assay. The circulating levels of MIP-1α, TNF-α, IL-8, and IP-10 were significantly increased in the psoriatic patients compared with the healthy controls (P<0.01). Male and female patients tended to have higher serum levels of MCP-1 and IP-10, respectively (P<0.05). Interestingly, compared with the control group, 6 out of the 9 cytokines (MCP-1, MIP-1α, TNF-α, EGF, IL-8 and IP-10) were substantially increased in the BSS group (P<0.05 or P<0.01), whereas only MIP-1α and IL-8 levels were elevated in the BDS group (P<0.05 or P<0.01) concurrent with lowered concentrations of SCD40L and IL-17 (P<0.05). In the WHS group, MIP-1α was the only cytokine whose level was evidently increased (P<0.01), in contrast to IL-17 which was decreased as compared with the control (P<0.05). The psoriatic patients overall owned higher levels of MIP-1α and IL-8 in the circulation which were comparable among the 3 groups of CM syndromes (P<0.01). In contrast, TNF-α level of the BSS group was the highest among the three (P<0.01), followed by the BDS and the WHS groups. The expression profiles of cytokines in the circulation might not be necessarily identical for psoriatic patients with different CM syndromes. Accordingly, the serum concentrations of certain cytokines could potentially be used as the ancillary indices for the clinical classification of psoriatic CM syndromes.Keywords：psoriasis vulgaris;blood-stasis syndrome;blood-dryness syndrome;wind-heat syndrome;cytokines;Chinese medicine syndrome
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Published：2021-08-27 - Abstract：To re-analyze the data published in order to explore plausible biological pathways that can be used to explain the anti-aging effect of curcumin. Microarray data generated from other study aiming to investigate effect of curcumin on extending lifespan of Drosophila melanogaster were further used for pathway prediction analysis. The differentially expressed genes were identified by using GeneSpring GX with a criterion of 3.0-fold change. Two Cytoscape plugins including BisoGenet and molecular complex detection (MCODE) were used to establish the protein-protein interaction (PPI) network based upon differential genes in order to detect highly connected regions. The function annotation clustering tool of Database for Annotation, Visualization and Integrated Discovery (DAVID) was used for pathway analysis. A total of 87 genes expressed differentially in D. melanogaster melanogaster treated with curcumin were identified, among which 50 were up-regulated significantly and 37 were remarkably down-regulated in D. melanogaster melanogaster treated with curcumin. Based upon these differential genes, PPI network was constructed with 1,082 nodes and 2,412 edges. Five highly connected regions in PPI networks were detected by MCODE algorithm, suggesting anti-aging effect of curcumin may be underlined through five different pathways including Notch signaling pathway, basal transcription factors, cell cycle regulation, ribosome, Wnt signaling pathway, and p53 pathway. Genes and their associated pathways in D. melanogaster melanogaster treated with anti-aging agent curcumin were identified using PPI network and MCODE algorithm, suggesting that curcumin may be developed as an alternative therapeutic medicine for treating aging-associated diseases.Keywords：anti-aging;Curcumin;Drosophila Melanogaster;pathway prediction analysis;protein-protein interaction network
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Published：2021-08-27 - Abstract：To study the effect of Tiantai No. 1 (天泰1号) on gene expression profile in hippocampus of Alzheimer’s disease (AD) rat, molecular genetic target points of the effect of this drug were defined, its molecular genetic pharmacodynamic mechanism of anti-AD was further explored at molecular gene level, and a scientific basis was provided for its clinical availability and promotion. Thirty male Sprague-Dawley rats were divided into three groups with 10 rats per group: sham-operation group, model group and Tiantai No. 1 group. Sterile surgical procedure was applied, the model group with bilateral hippocampal injection of Aβ1–40 was established, and normal saline was used instead of Aβ1–40 in the sham-operation group. One week after the models was made, rats were administered by gastric lavage once every day for three consecutive weeks. The rats of the sham-operation group and the model group were daily fed with purified water by lavage; the rats of the Tiantai No.1 group treated group were administered with Tiantai No.1 by lavage. Total RNAs of hippocampus tissues were extracted with Trizol, the changes of hippocampus gene expression profiles in the above three groups were analyzed by using Affymetrix rat whole genome expression profile microarray. Microarray analysis showed that, compared with the sham-operation group, the hippocampus of the model group had 50 up-regulated genes with significant difference (fold change >2), and 21 down-regulated genes with significant difference (fold change <0.5); compared with the hippocampus of the model group, the hippocampus of the Tiantai No. 1 group was found to have 5 up-regulated genes with significant difference (fold change >2) and 20 down-regulated genes with significant difference (fold change <0.5). The functions of differentially expressed genes of the groups were involved in nervous system’s development, neuronic differentiation and function-regulation, cellular growth and differentiation and apoptosis, synaptic occurrence and plasticity, inflammation and immune response, ion channels/transporters, cellular signal transduction, cellular material/energy metabolism and so on. Tiantai No. 1 can regulate hippocampal function, and further regulate the brain function of animals in multiple gene target points by a number of ways.Keywords：whole genome;genome microarray;gene expression profile;Tiantai No. 1;Alzheimer’s disease;hippocampus
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Published：2021-08-27 - Abstract：To investigate the effect and molecular mechanisms of different doses of 8-hydroxy dihydroberberine (Hdber) for the treatment of hyperlipidemia in rats. A rat model of hyperlipidemia was established by feeding rats a high-fat diet for 4 weeks in 70 rats of 80 animals, and 10 rats were randomly selected as control group. The hyperlipidemic rats were then randomly divided into the following groups: a model group (MOD); a berberine group [BBR, 156 mg/(kg day)]; Hdber groups, which were treated with different doses of Hdber [78, 39 and 19.5 mg/(kg day)]; and a simvastatin group [SIM, 4 mg/(kg day)]. The corresponding therapy was administered to the rats of each treatment via gastric tubes. Normal animals were used as a control group. The blood levels of various lipids, including total cholesterol, triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, free fatty acid (FFA), apolipoprotein AI(Apo-AI) and apolipoprotein B (Apo-B) were examined. The protein expressions of low-density lipoprotein receptor (LDL-R), sterol regulatory element-binding protein 2 (SREBP-2), 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR) and proprotein convertase subtilisin/kexin type 9 (PCSK-9) in liver tissues were determined by Western blot analysis. Compared with the control group of rats, the model group demonstrated a deteriorated blood lipid profile and exhibited increased expression levels of PCSK-9 protein in their liver tissues (P<0.01). In addition, the high-fat diet decreased the expression levels of LDL-R, SREBP-2 and HMGCR proteins in murine liver tissues. However, the addition of berberine or Hdber reversed the blood lipid profile changes (P<0.05 or P<0.01), decreased the expression levels of PCSK-9 proteins (P<0.01), and increased the expression levels of LDL-R proteins in the hyperlipidemic rats (P<0.01). These compounds did not significantly influence the expression levels of SREBP-2 and HMGCR proteins in the hyperlipidemic rats. Hdber is effective in the treatment of hyperlipidemia in rats. The therapeutic mechanisms of Hdber may be associated with increasing the expression of LDL-R protein and decreasing the expression of PCSK-9 protein in liver tissues.Keywords：8-hydroxy dihydroberberine;hyperlipidemia;rat;low-density lipoprotein receptor
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Published：2021-08-27 - Abstract：To investigate whether ginsenoside-Rb1 (Gs-Rb1) inhibits the apoptosis of hypoxia cardiomyocytes by up-regulating apelin-APJ system and whether the system is affected by hypoxia-induced factor 1α (Hif-1α). Neonatal rat cardiomyocytes were randomly divided into 6 groups: a control group, a simple CoCl group, a simple Gs-Rb1 group, a CoCl and Gs-Rb1 hypoxia group, a CoCl and 3-(5′-hydroxymethyl-2′-furyl)-1-benzylindazole (YC-1) group, a CoCl and YC-1 group and a Gs-Rb1 group, in which YC-1 inhibits the synthesis and accelerates the degradation of Hif-1a. The concentration of CoCl, Gs-Rb1 and YC-1 was 500 μmol/L, 200 μmol/L and 5 μmol/L, respectively; the apoptosis ratio was analyzed with a flow cytometer; and apelin, APJ and Hif-1α were assayed with immunocytochemistry, Western blot assays and reverse transcription polymerase chain reaction (RT-PCR). (1) The anti-apoptosis effect of Gs-Rb1 on hypoxia cardiomyocytes was significantly inhibited by YC-1; (2) Hypoxia significantly up-graded the expression of mRNA and protein of apelin; this effect was further reinforced by Gs-Rb1 and significantly inhibited by YC-1; (3) Gs-Rb1 further strengthened the expression of APJ mRNA and APJ proteins once hypoxia occurred, which was significantly inhibited by YC-1; (4) Gs-Rb1 significantly increased the expression of Hif-1α, which was completely abolished by YC-1; (5) There was a negative relationship between AR and apelin (or APJ, including mRNA and protein), a positive correlation between apelin (or APJ) protein and Hif-1a protein, in hypoxia cardiomyocytes. The apelin-APJ system plays an important role in the anti-apoptosis effect of Gs-Rb1 on hypoxia neonatal cardiomyocytes, which was partly adjusted by Hif-1α.Keywords：ginsenosides-Rb1;cardiomyocytes;hypoxia;apelin;APJ;hypoxia-induced factor 1α
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Published：2021-08-27 - Abstract：To investigate the effect of panax notoginseng saponins (PNS) injection on pulmonary artery pressure and the expression of p38MAPK in lung tissue of rats subjected to chronic hypoxia. Thirty adult male Sprague Dawley rats were randomly divided into three groups (ten in each group): rats in control group were exposed to normoxic condition and the rats in hypoxia group and PNS group were subjected to 4-week hypoxia, and PNS injection (50 mg·kg−1·d−1) was administrated intraperitoneally at 30 min in the PNS group daily before the rats were kept in the hypoxic chamber, while rats in the other two groups received equal dose of normal saline instead. After chronic hypoxia, mean pulmonary artery pressure (mPAP) and mean carotid artery pressure (mCAP) were measured. The heart and lung tissues were harvested, and right ventricle (RV) and left ventricle plus ventricular septum (LV+S) were weighed to calculate the ratio of RV/(LV+S). The expression of p38MAPK mRNA was determined by reverse transcription-polymerase chain reaction, the quantity of phosphorylated p38MAPK (p-p38MAPK) in rat lung tissues and pulmonary arterioles was determined by Western blot and immunohistochemistry. Compared with the control group, mPAP and the ratio of RV/(LV+S) in the hypoxia group were increased, the expression of p-p38MAPK in pulmonary arterioles and p38MAPK mRNA in the lung were higher (P<0.05). The changes of these parameters in the hypoxia group were significantly attenuated by PNS treatment (P<0.05). PNS injection was shown to prevent hypoxic pulmonary hypertension at least partly by regulating p38MAPK pathway.Keywords：panax notoginseng saponins;hypoxia;pulmonary arterial hypertension;p38MAPK
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Published：2021-08-27 - Abstract：To investigate the effects of Biejia Ruangan Tablet (复方鳖甲软肝片方, BRT)-containing serum on the expression of matrix metalloproteinase (MMP-9) and tissue inhibitor of metalloproteinase (TIMP-1) in cultured renal interstitial fibroblasts. Different BRT-containing sera were prepared by gastric gavages to rats with the high-dose (7 g/kg), mid-dose (3.5 g/kg), and low-dose (1.75 g/kg) BRT respectively. The expression of extracellular matrix in NRK-49F cells was induced by treatment with human transforming growth factor-β1 (recombined human TGF-β1), and BRT-containing serum. Western blotting and Northern blotting were used to measure type I and III procollagen, MMP-9, and TIMP-1. The high dose BRT-containing serum could decrease the type I and III procollagen gene expression which boosted by TGF-β1, at the same time cut down TIMP-1 protein and gene expression which increased by TGF-β1 (P <0.05). Treatment of cells with recombined human TGF-β1 had no significant effect on MMP-9 expression and BRT-containing serum also had no effect on MMP-9 expression. High dose BRT has anti-fibrosis effects in NRK-49F cells, as indicated by its inhibition of type I and III procollagen and TIMP-1 expression.Keywords：renal interstitial fibroblasts;Biejia Ruangan Tablet;type I and III procollagen;matrix metalloproteinase -9;tissue inhibitor of metalloproteinase -1
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Published：2021-08-27 - Keywords：Blood Sugar Level;Glimepiride;Oral Hypoglycemic Agent;Genipin;United Kingdom Prospective Diabetes Study
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Published：2021-08-27
OriginalPaper
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