1.Determination of glycyrrhizic acid in MAHUANG DECOCTION by HPLC when decocted separately or as a whole
Peixue CAO ; Guangyi LIANG ; Bixue XU ; Fengyun JIN ; Zhuying HE ;
Chinese Traditional and Herbal Drugs 1994;0(11):-
Object To determine the content of glycyrrihizic acid obtained when each individual ingredient in MAHUANG DECOCTION was decocted separately and then mixing the extracts with boiling water in comparison with that obtained by decocting the total composition together as a whole in the traditional way. Methods The contents of glycyrrhizic acid was determined by HPLC. Hypersil C 18 column was used, with acetonitrile∶0.1% acetic acid (33∶67) as the mobile phase and detected at the wavelength of 254 nm. Results The average recovery of glycyrrhizic acid when separately decocted was 102.43%, RSD=2.65%, while that of decoction in whole was 99.41%, RSD=3.11%. Conclusion The method was simple and accurate and was not interfered by other constituents in the prescription.
2.Research progress on artificial bile duct
Shuo JIN ; Xiaoju SHI ; Xiaodong SUN ; Siyuan WANG ; Guangyi WANG
Chinese Journal of Hepatobiliary Surgery 2014;20(10):761-765
Bile duct injury is the most common complications of biliary surgery.With the development of tissue engineering,using artificial bile duct to treat the biliary tract disease has become the focus for the treatment of bile duct injury.This article summarizes the applications in clinical work and animal experiment of artificial bile ducts made of biological material,autologous tissue,non-absorbable polymer materials,as well as absorbable polymer materials in the clinical application and animal experiments.The advantageof each material is also discussed here.
3.Determination of ephedrine、laetrile、glycyrrhizic acid and liquiritin in Huagai Powder decoction and granules by HPLC
Fenyun JIN ; Zhuying HE ; Yang ZHAO ; Wei LIAO ; Guangyi LIANG
Chinese Traditional Patent Medicine 1992;0(01):-
AIM: To determine the contents of ephedrine、laetrile、glycyrrhizic acid and liquiritin in Huagai Powder traditional decoction and granule decoction(Herba Ephedrae,Semen Armeniacae Amarum,Radix et Rhizoma Glycyrrhizae,etc.) by HPLC. METHODS: An Agilent SB-C_(18) column was used for ephedrine,the mobile phase was acetonitrile-0.1% phosphoric acid(4∶96),detection wavelength at 207 nm;An Agilent XDB-C_(18) column was used for laetrile,the mobile phase was methanol-water(23∶77),detection wavelength at 215 nm;An Agilent XDB-C_(18) column was used for glycyrrhizic acid,the mobile phase was methanol-0.2 mol/L ammonium-acid(67∶33∶1),detection wavelength at 250 nm; An Agilent XDB-C_(18) column was used for liquiritin,the mobile phase was acetonitrile-0.5% acetic acid(20∶80),detection wavelength at 276 nm. RESULTS: There were discrepancies between traditional decoction and granules in the contents of four ingredients,the average contents in granules were more than those in the traditional decoction. CONCLUSION: The peaks of the four ingredients are(segregated)(effectively),and the method is simple,conveient,exact and has good reproducibility,the other ingredients do not have interferences for the determination.
4.Synergistic anti-proliferation effect of aspirin and 5-fluorouracil on colon cancer cells and its mechanism
Yu LIU ; Dong GAO ; Jingjing ZHONG ; Yanyan WAN ; Xiangying LI ; Guangyi JIN ; Xiaodong WANG
Chinese Journal of Pathophysiology 2014;(6):988-993
AIM:To investigate the synergistic anti-proliferation effect of aspirin and 5-fluorouracil on the co-lon cancer cells and its mechanism .METHODS: Colon cancer cells were divided into 4 groups: control group , aspirin group, 5-fluorouracil group and aspirin +5-fluorouracil group .Synergistic anti-proliferation effect of aspirin and 5-fluoroura-cil on the colon cancer cells was observed by MTT assay .Apoptosis-inducing effect and mechanism were detected by Hoechst 33258 staining, caspase activity assay and flow cytometry analysis .The mRNA and protein levels of apoptosis-re-lated proteins were evaluated by real-time PCR and Western blotting .RESULTS:5-Fluorouracil inhibited proliferation of HCT116 and SW620 colon cancer cells effectively , and low concentration of aspirin exerted synergistic inhibitory effect .5-Fluorouracil induced apoptotic morphology and increased caspase activity and sub -G1 phase in HCT116 cells.The synergis-tic effect of aspirin obviously enhanced apoptotic ratio and caspase activity .Moreover , 5-fluorouracil inhibited the mRNA and protein expression of Bcl-2, which was amplified by low concentration of aspirin .CONCLUSION:Aspirin and 5-flu-orouracil had a synergistic anti-proliferation effect on the colon cancer cells through apoptosis pathway .
5.Research progress on predictive index for pancreatic leakage after pancreaticoduodenectomy
Shuo JIN ; Xiaodong SUN ; Xiaoju SHI ; Siyuan WANG ; Mingze WANG ; Guangyi WANG
Chinese Journal of Hepatobiliary Surgery 2014;20(8):621-624
Pancreatic leakage is most common among numerous complications after pancreaticoduodenectomy surgery.Predicting at early stage and taking preventive measures in time are of great importance to reducing the incidence of pancreatic leakage as well as its related complications.The article reviewed pancreatic leakage monitoring related reports worldwide in recent 10 years.It was found that some factors were useful for the prediction of pancreatic leakage including the drainage fluid amylase and leukocyte count on postoperative day 1 and 3,C-reactive protein on postoperative day 3,the combined detection of white blood cells and albumin on postoperative day 4,the serum urea nitrogen and the serum albumin on postoperative day 1 and 5-8 days,as well as the ratio of amylase level in abdominal drainage to abdominal drainage volume.
6.Effect of THA on knee function and quality of life in RA patients
Fang LI ; Shixuan WANG ; Guangyi JIN ; Shuai XIE ; Lei ZHOU ; Yanlong ZHANG
Clinical Medicine of China 2018;34(2):161-164
Objective To investigate the clinical effect of total hip arthroplasty ( THA) in the treatment of hip osteoarthritis ( HOA) and its effect on the quality of life of the patients. Methods Thirty?seven patients ( 42 hips) who underwent THA surgery in the Second Affiliated Hospital of Liaoning University of Traditional Chinese Medicine from November 2011 to December 2015 were enrolled in this study. The function of hip joint, hip joint activity and the quality of life of the patients and other indicators were observed before operation,at 3 months,6 months after operation. Results The Harris scores of 37 patients before operation, at 3 months, 6 months after operation were (72.0±7.4) points,(86.1±8.3) points,(45.8±9.5)points respectively,the difference was statistically significant among the three groups ( F=71. 302,P<0. 05) . At 3 months and 6 months after operation,the score significantly improved compared to that before operation ( P<0. 05);At 3 months and 6 months after operation,the angles of the hips in 37 patients were significantly improved ( F=144. 921,41. 195, 351. 648,372. 766, 317. 518, 226. 381, P<0. 05 ) . The hip function was evaluated at 6 months after the operation,and 37 patients (42 hips) were evaluated,26 hips (61. 90%) were excellent. 12 hips (28. 57%) were good,4 hips ( 9. 52%) were fine,and 0 poor hips. At 6 months after operation,the SF?36 scale evaluation of quality of life, body pain, emotional restrictions, mental health, physical limitations, activities, social activities, vitality,general health, physical health, mental health scores were significantly improved compared with the preoperative ones ( F=19. 731, 19. 142, 11. 303, 22. 63821. 563, 20. 936, 13. 372, 14. 985, 6. 773, 13. 028, P<0. 05) . Conclusion THA treatment for patients with HOA can significantly improve the function of the hip joint and improve the quality of life of the patients.
7. Antiseptic effect of compound lysostaphin disinfectant and its preventive effect on infection of artificial dermis after graft on full-thickness skin defect wound in rats
Jian JIN ; Hao ZHOU ; Zhenci CUI ; Li WANG ; Pengfei LUO ; Shizhao JI ; Xiaoyan HU ; Bing MA ; Guangyi WANG ; Shihui ZHU ; Zhaofan XIA
Chinese Journal of Burns 2018;34(4):225-232
Objective:
To study the antiseptic effect of compound lysostaphin disinfectant and its preventive effect on infection of artificial dermis after graft on full-thickness skin defect wound in rats.
Methods:
(1) Each one standard strain of
8. Failure patterns of locoregional recurrence in women with T1-2N1 breast cancer after modified radical mastectomy
Xuran ZHAO ; Shulian WANG ; Yongwen SONG ; Yu TANG ; Yong YANG ; Hui FANG ; Jianyang WANG ; Hao JING ; Jianghu ZHANG ; Guangyi SUN ; Siye CHEN ; Jing JIN ; Yueping LIU ; Bo CHEN ; Shunan QI ; Ning LI ; Yuan TANG ; Ningning LU ; Yexiong LI
Chinese Journal of Radiation Oncology 2020;29(1):31-34
Objective:
To analyze the failure patterns of locoregional recurrence (LRR) and investigate the range of radiotherapy in T1-2N1 breast cancer patients undergoing modified radical mastectomy.
Methods:
From September 1997 to April 2015, 2472 women with T1-2N1 breast cancer after modified radical mastectomy without neoadjuvant systemic therapy were treated in our hospital. 1898 patients who did not undergo adjuvant radiotherapy were included in this study. The distribution of accumulated LRR was analyzed. The LR and RR rates were estimated by the Kaplan-Meier method, and the prognostic factors were identified in univariate analyses with Log-rank test. Multivariate analysis was performed using Cox logistic regression analysis.
Results:
With a median follow-up of 71.3 months (range 1.1-194.6), 164 patients had LRR, including supraclavicular/infraclavicular lymph nodes in 106(65%), chest wall in 69(42%), axilla in 39(24%) and internal mammary lymph nodes (IMNs) in 19 patients (12%). In multivariate analysis, age (>45 years
9.Application and set-up error of deep inspiration breath-hold (DIBH) technique for whole breast irradiation in left breast cancer
Siye CHEN ; Shulian WANG ; Yu TANG ; Yuan TIAN ; Shirui QIN ; Weijie CUI ; Jing JIN ; Yueping LIU ; Yongchun SONG ; Hui FANG ; Bo CHEN ; Shunan QI ; Jianghu ZHANG ; Guangyi SUN ; Yanbo DENG ; Yexiong LI
Chinese Journal of Radiation Oncology 2018;27(5):504-508
Objective To analyze the correlation between treatment time and radiotherapy plan of deep inspiration breath-hold (DIBH) technique for the whole breast irradiation (WBI) in the left breast cancer after breast-conserving surgery,verify the inter-fractional reproducibility of radiotherapy,observe the heart location and dosimetric changes and calculate the effect of DIBH upon the WBI setup error after the surgery.Methods We prospectively enrolled 15 patients with left breast cancer undergoing WBI after breast-conserving surgery,who met the requirement of D1BH.Treatment time was recorded,its correlation with the number of field and monitor unit was analyzed.Inter-fractional setup errors and PTV delineation were calculated using cone beam CT (CBCT).The accuracy of the position and dose of the heart during radiotherapy was verified by the imaging fusion of CBCT and CT images.The variables among groups were analyzed by non-parametric Firedman test.Results The average treatment time of DIBH radiotherapy was 4.6 minutes.The treatment time was correlated with the maximal and total number of sub-fields and total monitor units.During DIBH treatment,the mean cardiac displacement volume was 19.1 cm3(3.8%).The mean cardiac dose difference between CBCT and planning CT was 5.1 cGy,and there was no significant difference in the heart V5-V30.The mean inter-fractional system setup error (∑) and random setup error (σ) in the left-right (x),superior-inferior (y) and anterior-posterior (z) direction were ∑x 1.9 mm,∑y 2.1 mm,∑z 2.0 mm,σx 1.3 mm,σy 1.3 mm,σz 1.4 mm,respectively.The corresponding minimal margins for setup error were 5.7 mm,6.2 mm and 6.0 mm,respectively.Conclusion DIBH for WBI after breast-conserving surgery does not significantly prolong the treatment time.Treatment time is related to treatment plan.DIBH yields high inter-fractional reproducibility and protects the heart.
10.Comparison of MRI and CT for target volume delineation and dose coverage for partial breast irradiation in patients with breast cancer
Yuchun SONG ; Xin XIE ; Shunan CHE ; Guangyi SUN ; Yu TANG ; Jianghu ZHANG ; Jianyang WANG ; Hui FANG ; Bo CHEN ; Yongwen SONG ; Jing JIN ; Yueping LIU ; Shunan QI ; Yuan TANG ; Ningning LU ; Hao JING ; Yong YANG ; Ning LI ; Jing LI ; Shulian WANG ; Yexiong LI
Chinese Journal of Radiation Oncology 2021;30(3):244-248
Objective:To compare magnetic resonance imaging (MRI)-based and computed tomography (CT)-based target volume delineation and dose coverage in partial breast irradiation (PBI) for patients with breast cancer, aiming to explore the application value of MRI localization in PBI after breast-conserving surgery.Methods:Twenty-nine patients with early breast cancer underwent simulating CT and MRI scans in a supine position. The cavity visualization score (CVS) of tumor bed (TB) was evaluated. The TB, clinical target volume (CTV), planning target volume (PTV) were delineated on CT and MRI images, and then statistically compared. Conformity indices (CI) between CT- and MRI-defined target volumes were calculated. PBI treatment plan of 40 Gy in 10 fractions was designed based on PTV-CT, and the dose coverage for PTV-MRI was evaluated.Results:The CVS on CT and MRI images was 2.97±1.40 vs. 3.10±1.40( P=0.408). The volumes of TB, CTV, PTV on MRI were significantly larger than those on CT, (24.48±16.60) cm 3vs. (38.00±19.77) cm 3, (126.76±56.81) cm 3vs. (168.42±70.54) cm 3, (216.63±81.99) cm 3vs. (279.24±101.55) cm 3, respectively, whereas the increasing percentage of CTV and PTV were significantly smaller than those of TB. The CI between CT-based and MRI-based TB, CTV, PTV were 0.43±0.13, 0.66±0.11, 0.70±0.09( P<0.001), respectively. The median percentage of PTV-MRI receiving 40 Gy dose was 81.9%(62.3% to 92.4%), significantly lower than 95.6%(95.0%~97.5%) of PTV-CT. Conclusions:The CVS between CT and MRI is not significantly different, but the MRI-based TB, CTV, PTV are significantly larger than CT-based values. The PTV-MRI is of underdose if PBI treatment plan is designed for PTV-CT. As a supplement of CT scan, MRI can enhance the accuracy of TB delineation after breast-onserving surgery.