2.Advances in studies on pharmacological action of main chemical constituent of Curcuma Zedoary in preventing in-stent restenosis.
Yuan-yuan CUI ; Jian-gang LIU ; Fu-hai ZHAO ; Da-zhuo SHI
China Journal of Chinese Materia Medica 2015;40(7):1230-1234
Traditional Chinese medicine Curcuma Zedoary ( E'Zhu) contains essential oil, curcuminoid and other effective constituents, with such pharmacological actions as anti-platelet aggregation, lowing blood lipid, anti-oxidation and anti-inflammation. In recent years, studies have showed that certain extracts and chemical components of E'Zhu could mitigate myocardial cell mitochondria injury and protect vascular endothelium by enhancing heme oxygenase-1 activity, inhibit nuclear factor NF-kappaB, target genes interleukin-associated kinase-1 (IRAK-1), tumor necrosis factor receptor-6 (TRAF-6) and vascular cell adhesion molecule-1 (VCAM-1), reduce inflammatory infiltration, and inhibit growth factor-induced smooth muscle cells (SMCs) proliferation and migration by impacting oxidation of cellular phosphatases. Due to its different functions in vascular endothelial cells and smooth muscle cells, E'Zhu has been applied in drug-eluting stents, with a potential effect in preventing in-stent restenosis and thrombogenesis. In this paper, studies on pharmacological effects and mechanisms of extracts and main chemical constituents from E'Zhu in preventing vascular restenosis were summarized.
Animals
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Constriction, Pathologic
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drug therapy
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prevention & control
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surgery
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Curcuma
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chemistry
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Drugs, Chinese Herbal
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chemistry
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pharmacology
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Endothelium, Vascular
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drug effects
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Humans
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Stents
4.Effect of gradient and regetation on distribution of schistosome infected Oncomelania snails in Dongting Lake marshland
Gang HU ; Shangjiong ZHUO ; Changlin HUANG ; Ping YI ; Tong LIU ; Yushu ZHAN
Chinese Journal of Schistosomiasis Control 2010;22(2):136-140
Objectives To investigate the distribution of Schistosoma japonicum infected Oncomelania snails in the marshland of Dangting Lake region,and explore the effects of gradient and vegetation on the distribution of the infected snails.Methods Three marshland areas in upstream and downstream of Dongting Lake were selected.The snail distribution was investigated and the ground elevation was assessed (Wusong's elevation of zero)and the vegetation types were also recorded from 1987-1989 and 2009.Results In the 3 types of snail habitats of the marshland,the average rate of areas with infected snails was 35.5%,and the snails mainly distributed beside the embankment and slope zone.More infected snails were found in the high altitude and steep slope zone,while no infected snails were found in the low altitude and flat slope zone,and reed areas as well.Conclusion The Schistosoma japonicum infected snails in the marshland of Dongting Lake mainly distribute beside the embankment and slope zoon,and are correlated with the water level in flood seasons and the activities of definitive hosts.
5.Correlation between mTOR signaling transduction pathway and arsenic trioxide response.
Journal of Experimental Hematology 2010;18(1):54-56
This study was aimed to investigate the correlation between mTOR signaling transduction pathway and arsenic trioxide (ATO) effect. The expressions of pmTOR, pAKT and pP70S6K in K562/DNR treated with ATO for different time were detected by Western blot. The apoptosis rate of K562/DNR treated by ATO combined with LY294002 or rapamycin for 120 hours was assayed by flow cytometry. The results showed that the expression of pmTOR in K562/DNR cells treated with ATO for 60 minutes or 120 minutes was higher than that in the control group (p < 0.01); the expressions of pAKT in the cells treated with ATO for 30 minutes or 60 minutes were higher than that in the control group (p < 0.01); the expression of pP70S6K in the cells treated with ATO for 60 minutes was higher than that in the control group (p < 0.01). The apoptosis rate of K562/DNR cells treated with combination of ATO and LY294002 or rapamycin were higher than that in the control group. It is concluded that the mTOR signaling pathway in K562/DNR cells is activated by a certain concentration of ATO, and mTOR signaling pathway inhibitors enhance ATO to trigger apoptosis in K562/DNR cells.
Apoptosis
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drug effects
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Arsenicals
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pharmacology
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Humans
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K562 Cells
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Oxides
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pharmacology
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Signal Transduction
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TOR Serine-Threonine Kinases
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metabolism
6.Effect of Compound Qidan Liquid on early ventricular remodeling after acute myocardial infarction in Chinese mini-pigs.
Da-Zhuo SHI ; Lu-Bo MA ; Jian-Gang LIU
Chinese Journal of Integrated Traditional and Western Medicine 2008;28(1):43-46
OBJECTIVETo investigate the mechanism of Compound Qidan Liquid (CQD) for intervening ventricular remodeling (VR) after acute myocardial infarction (AMI) in Chinese mini-pigs from hemodynamic and collagen metabolic views.
METHODSAMI model of Chinese mini-pigs was established by left anterior descending (LAD) coronary artery ligation. The model pigs were then randomly divided into the sham-operative group, the model group, the captopril group, the high and low dose of CQD (hCQD and lCQD) groups, the former two were treated with normal saline and the latter three treated with corresponding drugs by gastrogavage for 4 weeks after modeling. Blood pressure (BP), left ventricular pressure (LVP), maximum ascending velocity of left ventricular pressure (dp/dtmax), myocardial renin (MCR), angiotensin (Ang II), total collagen (TC), procollagen type III (PC III), collagen type IV (CIV), laminin (LM), serum hyaluronic acid (HyA) as well as pathologic changes in myocardium were observed.
RESULTSAs compared with in the model group, levels of BP, LVP and dp/dtmax were significantly higher, LM and Ang II were lower in the hCQD group (P < 0.05 or P < 0.01); LVP was higher in the lCQD group (P <0.05); LVP and dp/dtmax were higher, Ang II was lower in the captopril group (P <0.05). Besides, levels of HyA and TC were lower in all the three medicated groups (P <0.01), while the differences of PC III and CIV among groups were insignificant.
CONCLUSIONCQD has a beneficial effect in Chinese mini-pigs after AMI for increasing LVP and dp/dtmax, improving myocardial contractility and hemodynamic condition, decreasing myocardial Ang II contents, decreasing deposition of collagen so as to alleviate the pathological process of VR after AMI.
Animals ; Drugs, Chinese Herbal ; pharmacology ; therapeutic use ; Female ; Hemodynamics ; drug effects ; Male ; Myocardial Infarction ; drug therapy ; physiopathology ; Phytotherapy ; Random Allocation ; Swine ; Swine, Miniature ; Ventricular Remodeling ; drug effects
7.Application of uniform design in research of traditional Chinese medicine.
Lu MA ; Jian-gang LIU ; Da-zhuo SHI
Chinese Journal of Integrated Traditional and Western Medicine 2005;25(3):278-281
In the uniform design, all level number of experimental relevant factors are equally distributed in the range of experiment, each experimental point shows representation better. The times of experiment are reduced and the data obtained can be treated with computer. Uniform design is a potent tool in seeking for the optimal experimental condition or the optimal proportion of experiments. So, it is often used to study extraction and preparation form technology of TCM. In recent years, the uniform design has been used in the domain of traditional Chinese recipe and the compatibility of its component drugs. The study showed that the analytical results of TCM theory and that of uniform design are extremely consistent. As an optimal screening means in modernizing study on Chinese herbs, using uniform design in studying classical recipe, the "syndrome" corresponding recipe whereas it is helpful to deeply recognize the scientific connotation of "recipe syndrome".
Drug Prescriptions
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Drugs, Chinese Herbal
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pharmacology
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therapeutic use
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Humans
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Medicine, Chinese Traditional
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Plants, Medicinal
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chemistry
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Research Design
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standards
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trends
8.MICM characteristics and typing diagnosis in acute myelogenous leukemia patients (AML-M2) with complex karyotype t (2;21;8)(p12;q22;q22).
Yu MA ; Hai-Xia TONG ; Xin DENG ; Yi ZHAO ; Zhuo-Gang LIU ; Ji-Hong ZHANG
Journal of Experimental Hematology 2009;17(1):12-16
This study was purposed to investigate the acute myeloid leukemia with complex karyotype t(2;21;8)(p12;q22;q22) (AML-M(2)) by using morphologic, immunologic, cytogenetic and molecular biologic classification technique (MICM) and to analyze the MICM characteristics of AML-M(2) and their diagnostic significance. The FAB typing of bone marrow cells (BMCs) was performed by Wright-Giemsa staining and histochemical staining of BM smears; the immunophenotype of leukemic cells was detected by flow cytometry; the karyotypes of chromosome samples prepared by short-term (48 hours) conventional culture of fresh BMCs were analyzed by RHG banding technique; the FISH signaling in mitotic metaphase was determined by dual color and dual fusion AML/ETO probe and chromosome painting probe, and was compared with results of conventional cytogenetic assay; the AML/ETO fusion transcripts were detected by nested RT-PCR. The results indicated that the bone marrow smears of case 1 showed extremely hyperplasia with myeloblasts in which a ratio of eosinophilic granulocytes and monocytes increased. Case 2 accorded with AML-M(2b) in which abnormal increase of myelocytes mainly appeared. The complex karyotype t(2;21;8)(p12;q22;q22) was detected by cytogenetic analysis combined with FISH in both two cases and AML1/ETO fusion transcripts were found by RT-PCR as well. The immunophenotype assay showed high co-expression of CD34 and HLA-DR accompanied with CD19 and CD56 expressions. It is concluded that application of MICM has an important significance for correct diagnostic typing of AML-M2 with complex karyotype variant of t(8; 21)(p12;q22;q22).
Adult
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Chromosomes, Human, Pair 2
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Chromosomes, Human, Pair 21
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Chromosomes, Human, Pair 8
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Female
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Humans
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Immunophenotyping
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Karyotyping
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Leukemia, Myeloid, Acute
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diagnosis
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genetics
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immunology
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Male
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Middle Aged
9.Studies on cutaneous permeation in vitro of Kushen recipe gel.
Cheng PENG ; Jin-Hong HU ; Quan-Gang ZHU ; Ji-Yong LIU ; Zhuo QIN ; Jing WANG
China Journal of Chinese Materia Medica 2007;32(18):1870-1874
OBJECTIVETo establish a suitable dosage form for a traditional anti-anaphylaxis Chinese medicine of Kushen recipe, and investigate the effect of cutaneous permeation in vitro of the recipe.
METHODTechniques of extracting with ethanol and purifying with absorbent resin to obtain alkaloids from Kushen recipe were adopted, while volatile oil was extracted by steam distillation. The extraction was made to gel. The skin from SD rats' abdomen was used as permeability barriers. Then effects of permeation of the aqueous extraction, the purifying extraction and the gel were compared by Valia-Chien and Franz diffusion cell method. HPLC was utilized to quantitate the alkaloids in permeating liquid.
RESULTIn view of the permeation cumulation quantity, the permeation velocity and the lag time of the four kinds of alkaloids, the effect of permeation of purifying extraction was better than the aqueous extraction, and the purifying extraction gel surpassed both the aqueous extraction and the purifying extraction.
CONCLUSIONIt was certified that the purifying extraction gel had improved the effect of cutaneous permeation of alkaloids, and it is the befitting dosage form for Kushen recipe to treat anaphylaxis disease in skin.
Administration, Cutaneous ; Alkaloids ; administration & dosage ; isolation & purification ; pharmacokinetics ; Animals ; Chromatography, High Pressure Liquid ; Drugs, Chinese Herbal ; chemistry ; Female ; Gels ; In Vitro Techniques ; Quinolizines ; administration & dosage ; isolation & purification ; pharmacokinetics ; Rats ; Rats, Sprague-Dawley ; Reproducibility of Results ; Skin ; metabolism ; Skin Absorption
10.Ki-67 proliferative index in non-Hodgkin's lymphoma and its clinical significance.
Jia LI ; Rong HU ; Ai-Jun LIAO ; Hui-Ying SHI ; Wei YAN ; Zhuo-Gang LIU
Journal of Experimental Hematology 2011;19(4):935-939
This study was aimed to investigate the relationship of Ki-67 proliferation index (Ki-67 PI) with non-Hodgkin's lymphoma(NHL) typing and biological behavior, as well as its significance in clinical characters and prognosis of diffuse large B-cell lymphoma(DLBCL). A total of 542 cases of NHL in our hospital from 1st January 2001 to 31st December 2010 were retrospectively analyzed, and Ki-67 PI was all assayed immunohistochemically, and a total of 82 cases of newly-diagnosed DLBCL with more clinical records were investigated. The results indicated that according to the World Health Organization (WHO) histopathological classification of lymphoma, Ki-67 PI was different as classification for NHL subgroups was different. The Ki-67 PI increased with aggressive progression of NHL. The mean Ki-67 PI ranged from 25.5% in indolent lymphoma to 98.4% in very aggressive lymphoma. ROC curve analysis demonstrated that the 50% was the cut-off value distinguishing indolent from aggressive disease. On ROC curve analysis, Ki-67 PI of 75% was found to significantly discriminate patients with DLBCL who had a good or bad prognosis. There was a significant correlation of Ki-67 PI with Ann Arbor stage and LDH level. When the DLBCL cases were divided by Ann Arbor stage and IPI score, the 3-year overall survival (OS) of patients with a low Ki-67 PI (≤ 75%) in the group of Ann Arbor stage III-IV and high LDH level was higher than those with a high Ki-67 PI (> 75%) among the patients with B symptoms and IPI 3.0-5. 3-year OS in those with a low Ki-67 PI (≤ 75%) in the group of Ann Arbor stage III-IV and normal LDH level was higher than those with a high Ki-67 PI (> 75%) among the patients with B symptoms. 3-year OS of patients with a low Ki-67 PI (≤ 75%) in the group at III-IV stage and a high LDH level was higher than those with a high Ki-67 PI (> 75%). It is concluded that a cut-off value of 50% can be helpful to differentiate indolent from aggressive NHL. In DLBCL, a cut-off value of 75% can distinguish patients with a good or bad prognosis when combined with other prognostic factors, i.e. B symptoms, Ann Arbor stage, IPI score and lactate dehydrogenase (LDH) level.
Female
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Humans
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Ki-67 Antigen
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metabolism
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Lymphoma, Large B-Cell, Diffuse
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metabolism
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pathology
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Lymphoma, Non-Hodgkin
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metabolism
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pathology
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Male
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Middle Aged
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Neoplasm Staging
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Prognosis