1.The evolution of the denervated gastrocnemii and it's miR-206 and myoD expression during skeletal muscle atrophy in rats
Tao YU ; Ping WANG ; Xiang ZHOU ; Bengang QIN ; Honggang WANG
Chinese Journal of Microsurgery 2017;40(2):150-155
Objective To investigate the expression pattern of skeletal muscle specific miR-206,myogenesis related myoD which change with time in dcnervated muscle atrophy rats.Methods From June,2015 to January,2016,40 SPF sprague-dawley rats were equally classified into 5 groups randomly according to standard settled before,5 groups were separately defined as denervated 0d group,denervated 1d group,denervated 7d group,denervated 14d group,and denervated 28d group.Each group contained 8 rats.The rats atrophy models were established by cutting sciatic never on left side.According to the different denervated time,the gastrocnemii on both sides were obtained under anesthesia,respectively.The wet weight ratio of two compared gastrocnemii were measured,and the gastrocnemii transection was observed by HE stain,measured the expression of myoD protein by western blot,obtained the expression of miR-206,myoD mRNA by qPCR.Results According to our study on rats denervated atrophy models,the wet ratio of compared gastrocnemius would decrease rapidly,by HE stain,decease of cross sectional area in muscle fiber was observed as well as degeneration.Collagen fibers hyperplasia appeared and increased with time change.Wet ratio and transaction aera ratio of group Od,1d,7d,14d,28d were 0.99±0.04,0.92±0.07,0.68±0.11,0.39±0.06,0.27±0.07 and 0.99±0.02,0.96±0.04,0.51±0.09,0.34±0.08,0.23±0.03 respectively,difference between experimental groups and control group were statistically significant (P< 0.05),the differences between each experimental groups were also statistically significant (P< 0.05).After qPCR test of miR-206,myoD mRNA expression,it was found that their expression patterns were similar,miR-206,myoD mRNA increased at first and would reach the expression peak at the 7 th day,after that their contents decreased but still higher at the 14th day when compared with that at the 1 st day.Their expression of group 0d,1 d,7d,14d,28d were 0.24±0.06,0.34±0.04,0.68±0.04,0.49± 0.07,0.25±0.03 and 0.41 ±0.06,0.49±0.09,0.93±0.06,0.66±0.03,0.39±0.04,respectively.All experimental groups were statistically significant different when compared with 0d group except 1d group (P< 0.05),the differences between each experimental groups were also statistically significant(P< 0.05).The protein expression of myoD was also measured by western blot test,which showed nearly the same expression pattern as the mRNA expression pattern.After injury,the protein expression increased and reached the expression peak at the 7th day.The relative expression of myoD of group 0d,1d,7d,14d,28d measured by grey ratio were 1.03±0.05,1.06±0.06,1.42±0.10,0.66±0.13,0.24±0.07,respectively.The difference between experimental groups and control group were statistically significant (P < 0.05),the differences between each experimental groups were statistically significant (P < 0.05) as well.Conclusion The degree of muscle denervation atrophy was related to the denervated duration in rats.The expression regulation of miR-206 and myoD in gastrocnemius was similar during the muscle denervation atrophy,which suggesting having internal relationship between miR-206 and myoD.
2.The normative combined therapy for recurrent sinusitis.
Bengang PENG ; Yiqing SUN ; Xutao MIAO ; Xin WANG ; Wenjun LI
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2014;28(11):813-816
OBJECTIVE:
To assess the treatment outcome after endoscopic sinus surgery (ESS) in patients with recurrent sinusitis and to research which factors could influence the clinical outcome.
METHOD:
Endoscopic sinus surgery was performed in 55 patients. The clinical outcome and epithelization of mucosa after ESS were evaluated by Chinese ENT Association criteria.
RESULT:
The total cure rate was 81.82%, effective rate was 92.73%. The mean period of epithelization after operation was 13.2 weeks. No serious complication occurred.
CONCLUTION
The treatment efficacy can be greatly improved by the normative combined therapy which include the standard and orderly perioperative treatment ,the overall shape and nasalization of nasal cavity, postoperative follow-up and clearing cav ity after ESS.
Adult
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Aged
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Combined Modality Therapy
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Endoscopy
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Female
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Humans
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Male
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Middle Aged
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Recurrence
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Retrospective Studies
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Sinusitis
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therapy
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Treatment Outcome
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Young Adult
3.Canalplasty for stenosis or atresia of the external auditory canal.
Bengang PENG ; Xutao MIAO ; Yunjun GAO ; Xin WANG ; Wenjun LI
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2014;28(7):481-484
OBJECTIVE:
To report the experience of canalplasty in treatment of stenosis or atresia of the external auditory canal.
METHOD:
A retrospective review was performed on 10 patients (10 ears) that underwent canalplasty. The lesions located in bony segment in 1 case, cartilaginous segment in 3 cases, both in cartilaginous and bony segments in 6 cases, in which 4 cases accompanied with the middle ear diseases. All patients received the canalplasty surgery, and tympanoplasty was applied simultaneously if the patient had otitis media.
RESULT:
Follow-up was conducted for 8-50 months respectively, 8 of the external auditory canal was wide and tympanic membrane gained a good shape, 2 case had stenosis or atresia reoccurrence after the operation.
CONCLUSION
Appropriate approach and elimination of the lesions thoroughly are key points for the canalplasty.
Adult
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Aged
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Constriction, Pathologic
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surgery
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Ear Canal
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abnormalities
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surgery
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Female
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Follow-Up Studies
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Humans
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Male
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Middle Aged
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Treatment Outcome
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Young Adult
4.Influence of nasal septum fracture on the effect of nasal bone reduction
Yunjun GAO ; Bengang PENG ; Xin WANG ; Wenjun LI ; Yiqing SUN
Chinese Archives of Otolaryngology-Head and Neck Surgery 2017;24(7):368-370
OBJECTIVE To investigate the incidence rate of nasal septum fracture and it's influence on the effect of nasal bone reduction. METHODS Retrospective analysis of 212 cases of nasal fracture compared with nasal septum deviation were carried out. Among these cases 112 treated with nasal bone reduction only was called group A; the other cases were treated with nasal reduction concomitantly with septoplasty. Among them 58 cases were diagnosed with nasal septum fracture, it was called group B; 42 cases were diagnosed with nasal septum deviation, it was called group C. The postoperative nasal deformity rate was assessed, and the intraoperative findings of nasal septum contrast with preoperative CT diagnosis was analysed. RESULTS Three months after the operation, 27 cases (24.1%) of nasal deformity were found in group A; 9(9.0%) cases of nasal deformity were found in group B+C; septum fracture was found in 58 cases (100%) in group B and 30(71.8%) cases in group C introperatively. The diagnosis rate of nasal septum fracture by CT was 58.0%, while it's incidence rate was 88.0%. CONCLUSION More nasal septum fractures were observed introperatively than CT findings, and septoplasty concomitantly with nasal bone reduction can obviously reduce the rate of nasal deformity.
5.The therapeutic of nutrition support with somatostatin in patients with gastro-esophagus leakage after proximal gastrectomy for gastric cancer
Junben WU ; Shujing WANG ; Tongjun ZHANG ; Bengang GONG
Chinese Journal of Primary Medicine and Pharmacy 2010;17(14):1952-1953
Objective To study the effect of nutrition support with somatostatin in patients with gastro- esophagus leakage after proximal gastrectomy. Methods 6 patients with gastro-esophagus leakage after proximal gastrectomy for gastric cancer from July 2004 to September 2009 were enrolled. Then, the patients were treated with improved drainage, parenteral & enteral nutrition and somatostatin. Furthermore, nutrition index and duration of recovery were investigated respectively. All data were analyzed between preoperative and postoperative by student's T-Test.Results 6 patients were cured after non-operation. The average period of in-hospital was 32 days. Compared with the post-leakage day 1 ,the nutrition states were significantly improved when patients recovered( P <0. 01 ). Non-complication happened. Conclusion It was an effective way to improve the nutrition state and to promote the gastro-esophagus leakage healing.
6.Inhibitory effects of argatroban on instant blood-mediated inflammatory reaction after islet transplantation in vitro
Bengang WANG ; Ying CHENG ; Rui SHI ; Nin ZHAO ; Yongfeng LIU
Chinese Journal of Organ Transplantation 2009;30(5):300-302
Objective To investigate the inhibitory effects of Argatroban on the instant bloodmediated inflammatory reaction(IBMIR)after islet transplantation.Methods Rat islets were isolated and purified rat islets,and were divided into blank control group,control group and experimental group.In the control group,the blood and the islets were directly mixed,and in the experimental group the Argatroban was added to the mixture based on the control group.while the blank control group was added with blood alone without the islets.Each group was reacted at 37℃for 60min,and then the content was filtered through trap valve of 70 μm.The residual thrombus and tissues were filtered by the trap valve in both the experimental and control groups,detected by the thinprep cytologic test(TCT),and the filtrate received blood routine test,and the function of islet was determined using insulin releasing test.Results The number of blood platelets,white blood cells,mononuclear cells,and lymphocytes percentage in the experimental group were significantly higher than in the control group after 60 min(P<0.05).Under the environment of the high and low concentrations of glucose,the insulin release in experimental group was significantly increased as compared with the control group,and the insulin release index of former was 2.25±0.18,significantly higher than that of the latter 3.36±0.18(P<0.05).The residual thrombus and tissues had few islet cells in the control group,the structure was damaged seriously,the capsule was not intact,and there were a large mumber of micro-thrombosis around the islets formed by red blood cells.But there were a large number of islet cells in the experimental group.the structure was intact in a mass,and no obvious micro-thrombosis around the islets was found.Conclusion Argatroban can effectively inhibit IBMIR in vitro,and alleviate the damage to the islet cells.
7.Effect of combined enteral and parenteral nutrition on nutritional and immune status of patients after proximal gastrectomy
Jie ZHANG ; Junben WU ; Shujing WANG ; Tongjun ZHANG ; Bengang GONG
Chinese Journal of General Practitioners 2011;10(2):131-133
Parenteral nutrition (PN) was given to 40 patients with upper gastric carcinoma after proximal gastrectomies; and full enteral nutrition (EN) was subsequently given when bowels function recovered.The nutritional indicators including serum albumin ( Alb),prealbumin .(PA) and transferring,and immunological indicators including IgA,IgG,IgM,C3,C4 were measured before and 1st,8th day after operation.The data were processed by software SPSS 13.0.The average length of hospital stay was 14 d and the aerofluxus time was (58 ±6)hours.There were no changes in blood biochemistry,hepatic function and renal function pre- and post-operation( P >0.05 ).The nutritional and immune indicators except the IgM in 1 st day after operation were decreased significantly ( P < 0.05 ).The immune indicators except the IgG in 8th day after operation were significantly improved in comparison of those before and 1st day after operation ( P < 0.05 ).Post-operative complications occurred in 3 patients including 1 case of subphrenic infection and 2 cases of anastomotic leakage.After proper treatment,all patients recovered well.Combined application of EN and PN may improve nutrition and immune status of patients after proximal gastrectomy.
9.Therapeutic effect of 138 imported falciparum malaria patients
Zhenhua YU ; Fuyong WANG ; Dongdong WEI ; Bin YIN ; Yanbin WEI ; Guihua ZHAO ; Bengang ZHANG ; Yongbin WANG
Chinese Journal of Schistosomiasis Control 2014;(6):669-671,677
Objectives To summarize the clinical characteristics of imported falciparum malaria patients and the treatment so as to provide the evidences for improving the diagnosis and treatment of the disease. Methods A total of 138 imported falci?parum malaria patients who received the treatment in Shandong Institute of Parasitic Diseases from January 2007 to February 2013 were adopted as the observation subjects and their clinical data were collected and analyzed. Results All the 138 pa?tients were back from African countries. The main manifestations were fever headache asthenia and hepatosplenomegaly and most of them were with decreased RBC PLT levels and increased LDH levels and 36.96%of them were misdiagnosed as respiratory diseases nephritis hepatitis and so on. Through antimalarial treatment of artemether or artesunate or dihydroartemis?inin and primaquine or dihydroartemisinin and piperaquine and symptomatic treatment the short?term and long?term cure rates were 98.55%and 94.93%respectively with 1 case unrecovered and 1 died. Conclusions Artemisinins are still the most effective antimalarial drugs for falciparum malaria. However some patients recrudesce as the Plasmodium in their body is resis?tant or insensitive to these drugs. We should pay more attention to the antimalarial and symptomatic treatments in the early stage of severe malaria so as to improve the cure rate.
10.Expression and significance of Survivin and PTEN in human ampullary carcinoma
Dong XUE ; Wen WANG ; Tongjun ZHANG ; Xinjun LI ; Jianqiang WANG ; Chengde ZHANG ; Bengang GONG ; Yuxin CHEN
Journal of Chinese Physician 2012;14(3):325-328
Objective To study the expressions of survivin and PTEN in ampullary carcinoma and their clinical significance.Methods The expressions of Survivin and PTEN proteins were tested by EnVision immunohistochemistry in 40 cases of ampullary carcinomas and 8 cases of normal ampulla of vater as control.Results The positive rate of Survivin in ampullary carcinomas was significantly higher than normal human controls (82.5% vs 0%,P < 0.01 ).The differences of the expression of Survivin in ampullaty carcinoma of duodenal invasion,pancreatic invasion,and lymph node metastasis were significant ( P <0.05 ).Significant differences were also observed in the expression rate of PTEN hetween the patients with ampullary carcinoma and the normal controls (50% vs 100%,P < 0.01 ).The differences of the expression of PTEN in ampullary carcinoma of duodenal invasion,pancreatic invasion,and lymph node metastasis were significant ( P < 0.05 ).Significantly negative correlation was found between the expression of Survivin and PTEN by using spearman correlation analysis ( r =-0.57,P < 0.01 ).Conclusions The abnormal expression of Survivin and PTEN gene may promote tumor genesis and progression of ampullary carcinomas and it may be used as the marker for prognosis.