2.Studies on chemical constituents of Callicarpa pedunculata
Yiming HU ; Yuemao SHEN ; Qiongxian GU ; Guoying ZUO ; Xiaojiang HAO
Chinese Traditional and Herbal Drugs 1994;0(12):-
Object To study the chemical constituents of whole plant of Callicarpa pedunculata R Brown Methods Various chromatographic techniques were employed for isolation and purification of its constituents; and their structures were identified by spectral analysis (IR, MS, 1HNMR, 13 CNMR) and chemical evidences Results Ten compounds were obtained from the chloroform extract of the whole plant Among them four were diterpenoids which were identified as: 14 ?-hydroxy-7, 15-isopimaradien-18-oic acid (Ⅰ), 16 ?, 17-dihydroxy-3-oxo-phyllocladanetriol (Ⅱ), 8, 11, 13, 15-abietetraen-18-oic acid (Ⅲ), and 6 ?-hydroxy nidorellol (Ⅳ); 2 flavonoids: 5-hydroxy-3, 4′, 7-trimethoxy-flavone (Ⅴ), and 3, 5-dimethyl kaempherol (Ⅵ); and the others were ursolic acid (Ⅶ), myoinositol (Ⅷ), ?-sitosterol (Ⅸ), and ?-amyrin (Ⅹ) Conclusion Compounds Ⅰ, Ⅱ, Ⅲ, Ⅳ were found in this plant for the first time and it was of interest to note that they were of different diterpenoid skeletons The content of ursolic acid attained to a high level up to 1%, which may be exploited as a natural resource for medical purposes
3.Antitumor activities of chemical constituents of Cephalotaxus fortunei in Guizhou province
Mei ZHOU ; Lin MA ; Xiaojiang HAO ; Xiaosheng YANG
Journal of China Pharmaceutical University 2009;40(3):209-212
Aim: To study the antitumor activities of the constituents of Cephalotaxus fortunei distributed in Guizhou province. Methods: The constituents were isolated by column chromatography and identified by physical and spectral analysis. Meanwhile, the anti-tumor activities of some compounds were evaluated by sulforhodamine B( SRB) and MTT assay. Results: Eleven compounds were isolated and identified as apigenin (Ⅰ), β-sitosterol (Ⅱ), acetylcephalotaxine (Ⅲ), chrysoeriol (Ⅳ), drupacine ( Ⅴ), 1-hentriacontanol ( Ⅵ), 7, 3', 4' -trihydroxyfla-vone (Ⅶ), sugiol ( Ⅷ), cephalotaxine (Ⅸ), wllsonine (Ⅹ), and hainanolide (Ⅺ), respectively. Biological screening results demonstrated that some of the tested compounds exhibited the antitumor activities in vitro. Conclusion: Compounds Ⅱ, Ⅵ-Ⅷ were isolated from this plant for the first time. Compound Ⅺ has a better inhibitory activity on cell line A549 and K562 .
4.~(99m)Tc-octreotide scintigraphy and planar X-ray mammography diagnosis of breast cancer
Xiaojiang HE ; Jinxiong HUANG ; Guibing CHEN ; Hao YU ; Hua WU
Chinese Journal of Medical Imaging Technology 2009;25(10):1892-1895
Objective To compare the value of (~99m) Tc-octreotide scintigraphy and planar X-ray mammography in the diagnosis of breast cancer. Methods A total of 32 patients with suspected breast cancer were enrolled into this study. All patients underwent (~99m) Tc-octreotide scintigraphy and planar X-ray mammography. The diagnostic efficiency of (~99m) Tc-octreotide scintigraphy and planar X-ray mammography were compared based on the post-surgery pathology. Results The sensitivity of (~99m) Tc-octreotide scintigraphy and planar X-ray mammography in the diagnosis of breast cancer was 91.67% and 66.67%, the specificity was 100% and 37.50%, the accuracy was 93.75% and 59.38%, respectively. Combining (~99m) Tc-octreotide scintigraphy with planar X-ray mammography, the sensitivity, specificity, accuracy, positive predicting values and negative predicting values for breast cancer was 95.83%, 100%, 96.88%, 82.14% and 47.06%, respectively. Conclusion The diagnostic efficiency of (~99m) Tc-octreotide scintigraphy for breast cancer is superior to planar X-ray mammography. (~99m) Tc-octreotide scintigraphy combined with planar X-ray mammography, the diagnostic efficiency for breast cancer will be further improved.
5.Studies on establishment of calli culture for rapid propagation of Spiraea japonica
Yiming HU ; Fanyuan GAN ; Liping PENG ; Xiaojiang HAO ;
Chinese Traditional and Herbal Drugs 1994;0(11):-
Object To establish a calli culture system for the rapid propagation of Speiraea japonica L. f.. Methods Callus and shoot induction were carried out on MS, 6, 7 V or B 5 media with different parts of the plant such as stem tip, tender leaves and petiole as explants. Results A calli culture system was established for the rapid propagation of S. japonica. Conclusion MS cultural medium was found to be most suitable for calli induction. MS with 2.0 mg/L 2,4 D+0.3 mg/L KT can induce calli when the explants were used for the induction, with stem tips being the most satisfactory explant. Clusters of seedlings can be induced on MS+2 mg/L BA+0.1 mg/L NAA and when these seedlings were transferred to 1/2 MS +0.25 mg/L BA+0.5 mg/L NAA medium, root were developed to give young seedlings.
6.Risk evaluation of endoscopic retrograde cholangiopancreatography for elder patients
Yuanyuan LI ; Guohua LI ; Youxiang CHEN ; Xiaojiang ZHOU ; Yong ZHU ; Hao ZENG ; Nonghua LYU
Chinese Journal of Digestive Endoscopy 2017;34(4):274-276
Objective To evaluate the safety of endoscopic retrograde cholangiopancreatography (ERCP) for elder patients (age more than or equal to 80 years).Methods Data of 464 patients (age ≥ 80 years) who underwent ERCP procedures from June 2008 to June 2014 in the First Affiliated Hospital of Nanchang University were compared with those of patients less than or equal to 60 years old,randomly chosen at 1∶4,for comorbidity,feature of disease distribution,intraoperative situation and postoperative complications of ERCP.Results The comorbidity rates of coronary heart disease,hypertension,chronic pulmonary disease and type 2 diabetes in observation group were significantly higher than those in the control group(P<0.05),but there was no significant difference between two groups regarding to the comorbidity rate of arrhythmia(P =0.111).The main feature of disease distribution in two groups was choledocholithiasis,but the rate of malignant tumor in observation group was higher than that in the control group(P<0.05).The success rate of ERCP showed no significant difference in two groups (98.92% VS 99.35%,P=0.358).There was no significant difference between the two groups in the complication rates of acute pancreatitis (4.96% VS 3.18%,P =0.064),infection (0.43% VS 0.54%,P =1.000) and hemorrhage (1.08% VS 0.59%,P=0.259).However the rate of perforation in observation group was lower than that in the control group (0.43% VS 0.05%,P =0.043).Conclusion ERCP is safe and effective for elder patients.
7.Value of 131I SPECT/CT on the re-staging and recurrence risk stratification and its impact on subsequent treatment strategy in post-surgical patients with differentiated thyroid carcinoma
Jinxiong HUANG ; Xiaojiang HE ; Hao YU ; Guibing CHEN ; Weiyi XU ; Lingyun LIN ; Huizhen ZHUANG ; Hua WU
Chinese Journal of Nuclear Medicine and Molecular Imaging 2017;37(9):550-554
Objective To evaluate the role of 131I SPECT/CT in post-surgical re-staging and recurrence risk stratification in patients with DTC and its impact on subsequent treatment strategy.Methods 131I-WBS and 131I SPECT/CT were performed at the same time 5 to 7 d after 131I treatment in 118 patients (33 males,85 females,average age 45 years) with DTC.Difference in the localization and qualitative diagnosis of 131I uptake lesions between 131I-WBS and 131I SPECT/CT were compared.Value of 131I SPECT/CT in the diagnosis of TNM staging,risk stratification and impact on the treatment strategy was evaluated.Paired χ2 test was used for data analysis.Results A total of 509 foci with 131I uptake were detected.131I-WBS found 449 foci with 131I uptake,354 of which (78.84%) were correctly diagnosed.131I SPECT/CT found 509 foci with 131I uptake,and 504(99.02%) were correctly diagnosed.The difference was statistically significant (χ2=21.51,P<0.01).131I-WBS changed the clinical staging in 13 cases with diagnostic accuracy of 5/13.131I SPECT/CT changed the clinical staging in 19 cases and with diagnostic accuracy of 19/19 (χ2=74.41,P<0.01).131I-WBS changed the risk stratification of 13 patients after operation and the accuracy was 5/13,the corresponding data were 22 and 100%(22/22) for 131I SPECT/CT (χ2=74.41,P<0.01).The treatment strategy was changed in 50 patients with 131I SPECT/CT.Conclusions Compared with 131I-WBS,131I SPECT/CT could provide more accurate positioning and qualitative information for 131I treatment and is more accurate in re-staging and risk stratification.
8.Water-soluble chemical constituents from fruits of Phellodendron chinense var. glabriusculum.
Chen YAN ; Ye WANG ; Xiaojiang HAO
China Journal of Chinese Materia Medica 2009;34(22):2895-2897
OBJECTIVETo study the water-soluble chemical constituents from the fruits of Phellodendron chinense var. glabriusculum.
METHODChemical constituents were purified by chromatographic methods and identified by spectroscopic analysis.
RESULTEight known compounds were obtained, whose structures were elucidated as sinapyl 9-O-beta-D-glucopyranoside (1), betulalbuside A (2), arbutin (3), adenosine (4), 3,5-dihydroxyphenethyl alcohol 3-O-beta-D-glucopyranoside (5), orcinol-3-O-beta-D-glucopyranoside (6), N-trans-p-coumaroyloctopamine (7), berberine (8) respectively.
CONCLUSIONCompounds 1-7 were obtained from Phellodendron chinense var. glabriusculum for the first time.
Fruit ; chemistry ; Phellodendron ; chemistry ; Plant Extracts ; chemistry ; Solubility ; Water ; chemistry
9.Hasubanan type alkaloids in Stephania hernandifolia.
Lijia TANG ; Yuanhu ZHANG ; Xiaoyan HAO ; Li HE ; Shaohui SONG ; Xiaojiang HAO ; Xiaosheng YANG
China Journal of Chinese Materia Medica 2010;35(15):1973-1977
OBJECTIVETo study the hasubanan type alkaloids in Stephania hernandifolia.
METHODThe dried herbs of S. hernandifolia. were extracted with 95% ethanol. After removal of the solvent, the residue was first partitioned between acid water and petroleum ether, then the aqueous layer was basified and extracted with chloroform to obtain crude alkaloids. Column chromatograghic methods with on silica gel, Rp-18, MCI CHP 20P, Sephadex LH-20 were applied for the isolation and purification of the crude alkaloid fraction. The structures were elucidated by their physicochemical properties and spectral data.
RESULTNine hasubanan type alkaloids were obtained and identified as aknadinine(1), longanone(2), stephasunoline (3), N-methylstephuline(4), epistephamiersine(5), prostephabyssine(6), aknadilactam(7), dihydroepistephamiersine(8), hasubanonine(9).
CONCLUSIONCompounds 2-8 were isolated from this plant for the first time.
Alkaloids ; chemistry ; isolation & purification ; Chemical Phenomena ; Molecular Structure ; Plant Extracts ; chemistry ; isolation & purification ; Stephania ; chemistry
10.The pathogenesis, diagnosis and treatment of paradoxical insomnia
Chinese Journal of Behavioral Medicine and Brain Science 2020;29(8):677-681
Paradoxical insomnia is a common clinical phenomenon.Due to the lack of comprehensive understanding of its pathogenesis, there were wide variability in diagnostic criteria and treatment outcomes, thus interfering with the correct statistics of its epidemiological data.Through the summary of previous studies, combination with our own research on the pathogenesis of chronic insomnia, we propose that the differences in the subjective and objective assessment of paradoxical insomnia are related to the asynchronous inactivation of the thalamus and cortex during the sleep initiation phase and the cortical activation sequence and intensity disorders in each region after sleep.Furthermore, the diagnosis of paradoxical insomnia and clinical characteristics are described according to the related pathogenesis and a targeted treatment strategy is formulated.Paradoxical insomnia is a type of insomnia with specific pathophysiological mechanism.