1.Research progress in anticancer drugs of the metallic complexes and their pharmacological effect
Yongping MU ; Gang WU ; Lishe ZHOU ; Yanling HE
Chinese Pharmacological Bulletin 2003;0(11):-
The inorganic drug of the metal complexes has been a new anticancer drug of chemical therapy,since cisplatin was used in clinic as an anticancer drug.This review introduced the mechanism of anticancer action of the anticancer drugs of platinum and other metallic complexes and their pharmacological effect,and the research progress in anticancer drugs of the metallic complexes were reviewed in this article.
2.Application of Caco-2 cell model in drug research
Yongping MU ; Gang WU ; Lishe ZHOU ; Yanlin HE
Chinese Pharmacological Bulletin 1986;0(05):-
The Caco-2 cell model was widely applied in the research of absorption,metabolism and toxicity of drugs, especially in the aspect of anticancer,inorganic and traditional Chinese medicine,It has become an important tool of the study on medicine.
3.Molecular identification of raw materials from lian qiao bai du wan.
Zhanhu CUI ; Chao JIANG ; Minhui LI ; Min CHEN ; Lishe ZHOU ; Yuan YUAN
Acta Pharmaceutica Sinica 2013;48(4):590-6
Lian Qiao Bai Du Wan was used to study the identification of Chinese patent medicine by molecular marker technique. DNA was extracted through modified CTAB method. The psbA-trnH and rbcL sequences were gradient amplified, and PCR products were ligated with the pEASY-T5 vector and then transformed into Trans1-T1 cells, respectively. Clones were selected randomly and sequenced. All sequences were analyzed by BlastN and the neighbor-joining (NJ) phylogenetic tree was constructed by MEGA 4.0. The results showed that nine kinds of medicinal materials can be identified by psbA-trnH sequences, and six kinds of medicinal materials by rbcL sequences from Lian Qiao Bai Du Wan. Molecular marker technique can stably and accurately distinguish multi-origin medicinal materials in Chinese patent medicine.
4.Simultaneous determination of five flavonoid compounds in leaves of Adinandra nitida by HPLC-PAD.
Wensong ZUO ; Juanhu XU ; Changxin ZHOU ; Lishe GAN
China Journal of Chinese Materia Medica 2010;35(18):2406-2409
OBJECTIVETo established a novel HPLC-PAD method for the simultaneous determination of five compounds (camellianin A, camellianin B, apigenin, quercitrin, epicatechin) in leaves of Adinandra nitida.
METHODThese compounds were effectively separated on a reversed-phase C18 column (4.6 mm x 250 mm, 10 microm) with the column temperature at 25 degrees C. The mobile phase was composed of 0.1% aqueous formic acid and methanol. The flow rate was 1.0 mL x min(-1), the detection wavelength was set at 280 nm before 15 min for detecting epicatechin and at 262 nm from 15 to 40 min for detecting the rest four compounds.
RESULTAll the linearities were good (r > 0.9991) within their test ranges. The established method showed good precision with overall intra-day and interday RSD values less than 3.33% and 3.2%, respectively. The average recoveries were in the range of 96.08% to 100.30% with RSD from 2.0% to 4.0%. The limits of detection (LOD) and quantification (LOQ) in the range of ranged from 0.9 to 5.6 ng and 3.0 to 19.0 ng, respectively.
CONCLUSIONThis established method can be applied to evaluate the intrinsic quality of the leaves of A. nitida.
Chromatography, High Pressure Liquid ; instrumentation ; methods ; Drugs, Chinese Herbal ; analysis ; Flavonoids ; analysis ; Magnoliopsida ; chemistry ; Plant Leaves ; chemistry
5.Simultaneous determination of three sesquiterpene lactones in Radix Linderae by HPLC.
Yunliang ZHENG ; Lianjun LUAN ; Lishe GAN ; Changxin ZHOU ; Yongjiang WU
China Journal of Chinese Materia Medica 2009;34(21):2777-2780
OBJECTIVETo develop an HPLC method for simultaneous determination of three major sesquiterpene lactones in Radix Linderae.
METHODThe chromatographic separation was achieved on a Diamonsil C18 column (4.6 mm x 250 mm, 5 microm) using isocratic elution of acetonitrile-water (containing 0.1% H3 PO4) (45 : 55) at a flow rate of 1.0 mL x min(-1). Detection was carried out using a photodiode array detector at 220 nm.
RESULTThe calibration curves were linear in the range of 0.001 8-0.036 0 g x L(-1) for hydroxylinderstrenolide (R2 = 0.999 8), 0.016 2-0.323 2 g x L(-1) for neolinderalactone (R2 = 0.999 9), 0.010 5-0.209 9 g x L(-1) for linderane (R2 = 0.999 9), respectively. The average recoveries were 100.0% for hydroxylinderstrenolide, 98.8% for neolinderalactone and 98.9% for linderane with RSD not more than 3.3%.
CONCLUSIONThe established method was proved to be simple, sensitive and credible, and can be applied to quality control of Radix Linderae.
Chromatography, High Pressure Liquid ; methods ; Drugs, Chinese Herbal ; analysis ; Lactones ; analysis ; Lindera ; chemistry ; Sesquiterpenes ; analysis
6.Application of molecular pharmacognosy in research of Mongolian medicine.
Qianquan LI ; Lishe ZHOU ; Lanping GUO ; Minhui LI ; Na ZHANG ; Qingjun YUAN ; Yuan YUAN
China Journal of Chinese Materia Medica 2011;36(19):2615-2619
Molecular pharmacognosy has developed as a new borderline discipline. Using the method and technology of molecular pharmacognosy, a wide range of challenging problems were resolved, such as the identification of Mongolian medicinal raw materials, etiology of endangerment and protection of endangered Mongolian medicinal plants and animals, biosynthesis and bioregulation of active components in Mongolian medicinal plants, and characteristics and the molecular bases of Dao-di Herbs. So molecular pharmacognosy will provide the new methods and insights for modernization of Mongolian medicine.
Animals
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Drugs, Chinese Herbal
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analysis
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pharmacology
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Humans
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Medicine, Mongolian Traditional
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Mongolia
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Pharmacognosy
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Plants, Medicinal
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chemistry
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classification
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genetics
7.Constituents from the bark of Annona squamosa and their anti-tumor activity.
Lirui SUN ; Hong ZHU ; Lishe GAN ; Jianxia MO ; Feng FENG ; Changxin ZHOU
China Journal of Chinese Materia Medica 2012;37(14):2100-2104
OBJECTIVETo investigate the constituents of the Annona squamosa and evaluate their anti-tumor activity.
METHODThe compounds were isolated and purified by various column chromatography. Their structures were elucidated by spectral data analysis. Their anti-tumor activity was assayed by SRB method.
RESULTEleven compounds were obtained from the 95% EtOH extract. The structures were determined as: annosquamosin C(1),15, 16-epoxy-17-hydroxy-ent-kau-ran-19-oic acid (2),16,17-dihydroxy-ent-kau-ran-19-oic acid(3), annosquamosin A(4), ent-kaur-16-en-19-oic acid (5), 19-nor-ent-kauran4-ol-17-oic acid (6),16-hydroxy ent-kau ran-19-oic acid (7), ent-15beta-hydroxy-kaur-16-en-19-oic acid (8), annosquamosin B (9), ent-16beta, 17-dihydroxykauran-19-al (10), 16, 17-dihydroxy-ent-kauran-19-oic acid me thyl ester (11). Compounds 1,2,3,5,9 showed different inhibitory activities against 95-D lung cancer cells,the effect of compound 5 was strongest with the IC50 value 7.78 micromol x L(-1); Compounds 2, 5, 9 showed inhibitory activities against A2780 ovarian cancer cells, the effects of compounds 2 and 9 were strong with the IC50 values being 0.89, 3.10 micromol x L(-1), respectively.
CONCLUSIONCompound 2 was firstly isolated from this family, while compound 8 and 10 were first found from this genus and the title species, respectively. The in vitro anti-tumor test showed compound 5 significantly inhibited 95-D lung cancer cells and compounds 2 and 9 exhibited remarkbale activity against A2780 ovarian cancer cells.
Annona ; chemistry ; Antineoplastic Agents, Phytogenic ; analysis ; pharmacology ; Cell Line, Tumor ; Humans ; Plant Bark ; chemistry
8.Geranylated or prenylated flavonoids from Cajanus volubilis.
Li RAO ; Yu SU ; Qian HE ; Jia YE ; Yu LIU ; Yue FAN ; Feng HU ; Zhen ZHOU ; Lishe GAN ; Yonghui ZHANG ; Chuanrui ZHANG
Chinese Journal of Natural Medicines (English Ed.) 2023;21(4):292-297
Five new flavonoid derivatives, cajavolubones A-E (1-5), along with six known analogues (6-11) were isolated from Cajanus volubilis, and their structures were elucidated by spectroscopic analysis and quantum chemical calculations. Cajavolubones A and B (1 and 2) were identified as two geranylated chalcones. Cajavolubone C (3) was a prenylated flavone, while cajavolubones D and E (4 and 5) were two prenylated isoflavanones. Compounds 3, 8, 9 and 11 displayed cytotoxicity against HCT-116 cancer cell line.
Flavonoids/chemistry*
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Cajanus
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Molecular Structure
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Chalcones/chemistry*