2.A Modified Surgical Approach of Hepatopancreatoduodenectomy for Advanced Gallbladder Cancer: Report of Two Cases and Literature Review
WANG JIAN ; ZHANG ZHAN-GUO ; ZHANG WAN-GUANG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2017;37(6):855-860
Gallbladder cancer (GBC) is the most common cancer of the biliary tract,constituting 80%-95% of malignant biliary tract tumors.Surgical resection is currently regarded as the sole curative treatment for GBC.Hepatopancreatoduodenectomy (HPD) has been adopted to remove the advanced gallbladder tumor together with the infiltrated parts within the liver,lower biliary tract and the peripancreatic region of GBC patients.However,patients who underwent HPD were reported to have a distinctly higher postoperative morbidity (71.4%,ranging from 30.8% to 100%) and mortality (13.2%,ranging from 2.4% to 46.9%) than those given pancreatoduodenectomy (PD) alone.We present two patients with advanced GBC who underwent a modified surgical approach ofHPD:PD with microwave ablation (MWA) of adjacent liver tissues and the technique of intraductal cooling of major bile ducts.No serious complications like bile leakage,pancreatic fistula,hemorrhage and organ dysfunction,etc.occurred in the two patients.They had a rapid recovery with postoperative hospital stay being 14 days.Application of this approach effectively eliminated tumor-infiltrated adjacent tissues,and maximally reduced the postoperative morbidity and mortality.This modified surgical method is secure and efficacious for the treatment of locally advanced GBC.
3.Therapeutic effect of xinfeng capsule in treating adjuvant arthritis in rats and its effect on fas, fasL and bcl-2 expression in synovial membrane.
Jian LIU ; Wan-dong ZHANG ; Guang-liang CHEN
Chinese Journal of Integrated Traditional and Western Medicine 2002;22(8):599-602
OBJECTIVETo observe the therapeutic effect of Xinfeng Capsule (XFC) in treating adjuvant arthritis of rats and its effect on fas, fasL and bcl-2 expression in synovial membrane.
METHODSRats were randomly divided into the normal group, the model group, the model group, the methotrexate (MTX) group, the TPT group and the XFC group. Except for the rats in the normal group, animals were modelled to adjuvant arthritis with Freund's complete adjuvant, and the latter three groups were treated with MTX, Tripterygium wilfordii polysaccharide (TPT) and XFC respectively. The arthritis index (AI), change of body weight (BW) of rats were recorded, and the expressions of fas, fasL and bcl-2 in rats' synovial membrane were determined.
RESULTSCompared with before treatment, the AI in the three treated groups was lowered significantly (P < 0.01, P < 0.05). The BW increment in the XFC group after treatment was insignificantly different to that in the normal group (P > 0.05), while it was significantly lower in the other two treated groups than that in the normal group and the XFC group (P < 0.01). Compared with the model group, fasL expression was increased in the XFC group significantly (P < 0.05), but bcl-2 expression decreased, fas expression showed insignificant difference (P > 0.05). Comparison of the three gene expressions between the three treated groups showed no significant difference (P > 0.05).
CONCLUSIONXFC could decrease AI in rats with adjuvant arthritis in the same way as MTX and TPT, it effected better in increasing BW than the latter two. The effect of XFC might be performed by its action in enhancing fasL expression, inhibiting bcl-2 expression and promoting apoptosis of proliferated synovial membranous cell so as to restrain hyperplasia of synovial membrane.
Animals ; Apoptosis ; Arthritis, Experimental ; drug therapy ; metabolism ; Capsules ; Drugs, Chinese Herbal ; pharmacology ; therapeutic use ; Fas Ligand Protein ; Hyperplasia ; Membrane Glycoproteins ; biosynthesis ; genetics ; Phytotherapy ; Proto-Oncogene Proteins c-bcl-2 ; biosynthesis ; genetics ; Random Allocation ; Rats ; Rats, Wistar ; Synovial Membrane ; metabolism ; pathology ; fas Receptor ; biosynthesis ; genetics
4.Research Progress on Degradation of Chlorinated Organic Compounds by Zerovalent Iron
Wan-Hui ZHANG ; Wen-Ying LV ; Guo-Guang LIU ; Al ET ;
Journal of Environment and Health 2007;0(09):-
The degradation of chlorinated organic compounds by zerovalent iron is an effective technique which is popular in recent years.In the present paper,the recent researches on the technique were reviewed including the reductive dechlorination of chlorinated organic compounds by using the zerovalent iron and the factors which affect the degradation,especially the influence of DO,Cl~- and Fe~(2+),and the perspective of application of the technique was presented.
5.Ischemia-induced release of cytochrome c from mitochondria and up-regulation of Bcl-2 expression in rat hippocampus.
Chun-Yi ZHANG ; Wan-Hua SHEN ; Guang-Yi ZHANG
Acta Physiologica Sinica 2004;56(2):147-152
To evaluate the effects of different antagonists on the release of cytochrome c from mitochondria to cytosol and the expression of Bcl-2 in mitochondria in rat hippocampus after ischemia, we examined Bcl-2 and cytochrome c expression by immunoblotting using 4-vessel occlusion (4-VO) as brain ischemia model. The results showed that after 24 h ischemia/reperfusion (I/R) cytochrome c decreased markedly in mitochondria, which was correspondingly increased in the cytosolic fraction. Bcl-2 expression was time-dependent, reaching its peak level after 6 h I/R. In all those samples, there were no alterations in the subcellular distribution of cytochrome oxidase, a mitochondrial respiratory chain protein. The decreases in Bcl-2 and cytochrome c in mitochondria were restored by pretreatment with non-competitive NMDA receptor antagonist ketamine or L-type voltage-gated Ca(2+) channel (L-VGCC) antagonist nifedipine at 20 min prior to ischemia. The results demonstrate that the release of cytochrome c from mitochondria to cytosol and the up-regulation of Bcl-2 are possibly mediated by NMDA receptors or L-VGCC following brain ischemia. Cytochrome c release may be injurious while Bcl-2 up-regulation may be protective to ischemic hippocampus.
Animals
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Brain Ischemia
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metabolism
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Calcium Channel Blockers
;
pharmacology
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Calcium Channels, L-Type
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drug effects
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Cytochromes c
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metabolism
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Cytosol
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Hippocampus
;
metabolism
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Ketamine
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pharmacology
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Male
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Mitochondria
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metabolism
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Nifedipine
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pharmacology
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Proto-Oncogene Proteins c-bcl-2
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biosynthesis
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genetics
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Rats
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Rats, Sprague-Dawley
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Receptors, N-Methyl-D-Aspartate
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antagonists & inhibitors
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Up-Regulation
6.Using the lower medial leg fasciocutaneous flap to repair soft tissue defects at root of tongue.
Guang-Yoang WAN ; Tai-Sheng LIU ; Ming-Bin ZHANG ; Feng ZHAO ; Xiao-Guang LI
Chinese Journal of Plastic Surgery 2008;24(1):3-5
OBJECTIVETo investigate the clinical value of lower medial leg fasciocutaneous flap for the repair of soft tissue defects at root of tongue.
METHODS4 cases of soft tissue defects at root of tongue were underwent surgery with lower medial leg fasciocutaneous flaps. This paper describes in detail the anatomy of the flap, technique of make up the flap, advantages and disadvantages, and its clinical applications.
RESULTSAll the 4 flaps were got successfully one stage repair. A satisfied reconstruction were attained, the transplanted skin grafts on the defect regions of lower medial leg survived without necrosis.
CONCLUSIONSThe lower medial leg fasciocutaneous flaps is a good method for the repair of the defect reconstruction at the root of tongue. The soft tissue defects at root of tongue can be used the flap combined with partial soleus. The flaps not only has thin fat and soft quality, but also is far away from the region of head and neck. The donor site is blanket with less damage.
Adult ; Aged ; Female ; Humans ; Leg ; surgery ; Male ; Middle Aged ; Reconstructive Surgical Procedures ; methods ; Skin Transplantation ; Surgical Flaps ; Tongue Neoplasms ; surgery
7.Effect of a novel selective S1P1 agonist, Syl948, on mouse skin transplantation.
Jing JIN ; Hai-Jing ZHANG ; Xiao-Jian WANG ; Wan-Qi ZHOU ; Da-Li YIN ; Xiao-Guang CHEN
Acta Pharmaceutica Sinica 2014;49(5):627-631
Syl948 is a synthesized selective S1P1 agonist with novel structure. HTRF-IP1 test indicated that Syl948-P, the active form of Syl948 in vitro, has strong activity against S1P1 (EC50: 83 +/- 16 nmol x L(-1)), but its effect on S1P3 was very weak (EC50: 1 026 +/- 90 nmol x L(-1)). In SD rats, oral administration of Syl948 10 mg x kg(-1) significantly decreased the peripheral blood lymphocytes (PBL), with the maximal PBL inhibition rate of 63%, which was as similar as equal dose of fingolimod (FTY720). Oral administration of Syl948 10 mg x kg(-1) had no effect on heart rate of SD rats, which was better than FTY720. Daily oral administration with Syl948 (2 or 4 mg x kg(-1)) significantly prolonged the survival time of the allografts of skin slice on mice. In summary, the above results demonstrated that Syl948 has great selectivity in vitro and good activity in vivo, which indicated its potential use as an anti-rejection drug in skin transplantation.
Animals
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Fingolimod Hydrochloride
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Graft Survival
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drug effects
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Immunosuppressive Agents
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pharmacology
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Lymphocytes
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drug effects
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Mice
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Propylene Glycols
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pharmacology
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Rats
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Receptors, Lysosphingolipid
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agonists
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Skin Transplantation
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Sphingosine
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analogs & derivatives
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pharmacology
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Transplantation, Homologous
8.Measurement of mass fraction of Sanjie Zhentong capsules with near infrared reflectance spectroscopy.
Guang-ren ZHANG ; Yun WU ; Rui-ting JIN ; Qin WAN ; Jin-feng WU ; Xiao-qian XU ; Wei XIAO
China Journal of Chinese Materia Medica 2015;40(16):3204-3208
Sanjie Zhentong capsules were scanned by using a near infrared spectra probe with different drug mass fraction and the spectral information of capsule shells and contents in it were obtained. Then partial least squares (PLS) models were developed for the prediction of mass fraction of Fritillariae Thunbergii Bulbus and Resine draconis in Sanjie Zhentong capsules. The correlation coefficient (r9c)) and root mean standard error( RMSEC) of 0.949 5, 0.958 2 and 4.742 4, 4.135 7. The models obtained correlation coefficient (r(v)) of 0.919 2, 0.936 7 and root mean square error (RMSECV) of 6.158 9, 5.037 3 respectively in the training set. The paired T test analysis of statistics showed that there were no significant difference between predictive values and measure values. The established models reflected a strong prediction performance and can meet the needs of the production.
Capsules
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chemistry
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Drugs, Chinese Herbal
;
chemistry
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Least-Squares Analysis
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Spectroscopy, Near-Infrared
;
methods
9.Establishment and application of an in vitro mouse intestinal organoid culture system
sheng Guang WAN ; yan Xin ZHANG
Acta Laboratorium Animalis Scientia Sinica 2017;25(5):513-518
Objective To establish a small intestinal organoid culture system as an in vitro study model of intesti-nal epithelial cells, and to explore the relevant pathological detection techniques and provide a convenient platform for in vitro study of various intestinal diseases. Methods The mouse intestinal epithelium was isolated and cultured into or-ganoids to simulate the growth and development of intestinal epithelium in vitro. The proliferation and differentiation signals were detected by immunohistochemistry and three-dimensional immunofluorescence technique. Results The culture system of the mouse small intestine epithelium was established. Immunohistochemical staining and three-dimensional immunofluo-rescence technique were successfully used to detect the growth and development of small intestinal organoids. Conclusions The successfully established mouse small intestinal organoid culture system and application of immunoassay technology will gradually become a most favorable technical means for studies of various intestinal diseases.
10.Photoselective green-light laser vaporization of the prostate with volume more than 80ml
Ming LIU ; Jian-Ye WANG ; Gang ZHU ; Yao-Guang ZHANG ; Sheng-Cai ZHU ; Ben WAN ; Muir GORDON
Chinese Journal of Geriatrics 2003;0(11):-
Objective To analyze the safety and effectiveness of photoselective green-light laser vaporization of the prostate(PVP)in treatment of large prostate with volume more than 80 ml. Methods Retrospective analysis was performed in 25 benign prostatic hypertrophy patients undergoing the PVP treatment,whose prostate volume was more than 80 ml.Results Twenty-five patients with prostate mean volume of 151.8(84.0-270.0)ml were treated by PVP and 23 cases were finished successfully.One operation was suspended because of bleeding and the other because of damaging orifice.No blood transfusion was needed and no“transurethral resection(TUR)syndrome”happened.Five cases had acute retention and 2 of them needed second PVP.In a mean of 7.9(3.0- 12.0)months follow-up,maximal urinary flow rate(Qmax),international prostate symptom score (IPSS),quality of life score(QOL),and prostate-specific antigen(PSA)level were improved significantly.The volume of prostate reduced after PVP than before PVP but no significant difference was found.Conclusions PVP is feasible in treating large prostate even the volume is more than 80 ml,although it needs better skill.Catheterization for some time is helpful in reducing the incidence of early postoperative acute urinary retention.