1.Analysis of projects funded by NSFC and SCI paper publication in orthopedic research field from 2010 to 2016
Dou DOU ; Denghui XIE ; Xiaoyu YAN ; Ganjun FENG ; Zhangcai YAN
Chinese Journal of Orthopaedics 2017;37(8):492-497
Objective To analyze projects funded by NSFC and SCI paper publication in orthopedic research field (Code:H06) from 2010 to 2016,the current research status and development trend in this field were reviewed and discussed.Methods The data of the projects and funding subsidized by NSFC in orthopedic research field from 2010 to 2016 were collected and analyzed;the papers published were collected by searching in the Web of Science core collection by orthopedics as keyword (article included,conference abstract and book chapters excluded;data collected by December 25,2016) and compared for analyzing the global and China's SCI papers publication in orthopedic field and the role of NSFC in it.Results During the period of 2010 to 2016,1603 projects were funded by NSFC in orthopedic field and the total subsidy fund reached ¥ 730 850 000 (direct funding reported in 2015 and 2016);821 projects of General Program were funded and subsidy fund amount to ¥481 490 000;567 projects of Young Scientists were funded ¥ 118 130 000;130 projects of Fund for Less Developed Regions were funded ¥ 56 040 000;12 projects of Key Program were funded ¥ 33 560 000;3 projects of Distinguished Young Scholars were funded ¥ 7 500 000;5 projects of Outstanding Young Scholars were funded and funding up to ¥ 5 900 000.In the past seven years,the volume of SCI papers published in the world exceed 1 million per year and the papers from the orthopedics field accounted for 0.7% to 0.8%,ranked 54.The number of SCI papers published by Chinese institutions in the field increased year by year and country ranking climbed to No.3 in 2016 from No.8 in 2010.Among these SCI papers from Chinese institutions,the number of the papers from NSFC grants also increased year by year,ranked Top One in Chinese founding agency for 7 consecutive years.Conclusion In recent years,with the increasing of NSFC budget,the orthopedic research has been developed rapidly,but it still needs to be further strengthened in the advanced talents and high-level research.
3.TPSA and F/T ratio in the differential diagnosis of benign and malignant prostatic diseases
Tao FENG ; Youyuan HUANG ; Changqi DOU
Chinese Journal of Urology 2000;0(01):-
Objective To evaluate serum TPSA and F/T ratio in the differential diagnosis of BPH and PCa. Methods Serum TPSA,FPSA and F/T ratio in 177 cases of BPH and 60 cases of PCa were assessed and evaluated both in patients within and outside the "gray zone". Results TPSA and F/T ratio were both significantly discriminating between benign and malignant diseases (0.010.05) whereas F/T ratio could ( P 0.05). Conclusions Serum TPSA is a prostate carcinoma marker,F/T ratio being an adjuvant marker of TPSA of importance on the differential diagnosis in patients within the "gray zone".
4.The Effoct of Superior Cervical Ganglion Resection on the Endolymphatic Sac Blood Flow
Yanling DOU ; Huaizhi FENG ; Zhaohua LIU
Journal of Audiology and Speech Pathology 1997;0(04):-
Objective To study the effect of substance P (SP), calcitonin gene-related peptide (CGRP) on the blood flow and the function of endolymphatic sac (ES) in guinea pigs to clarify the pathogenesis of some inner ear diseases further.Methods The guinea pig model of superior cervical ganglion (SCG) resection was set up. The ESs of the model animals were stained by SP and CGRP immunocytochemically. The staining images were analysed by the computer. The ESBF was measured with the biologic microphere method.Results Compared with the control group, the staining of SP decreased sharply in the model group, however, the staining of CGRP remained unchanged. In the model animals, the ESBF was decreased either.Conclusion SP and CGRP could take part in the regulation of ESBF to affect the function of ES further.
5.Anatomic plate for bone injury repair and stress-shielding effect
Feng CHEN ; Qingyan DOU ; Yun HAN
Chinese Journal of Tissue Engineering Research 2007;0(22):-
The screw holes of anatomic plate are oval, and longitudinal axis of the screw hole is parallel to the axis of the plate. The plate surrounding the screw hole is smooth, parallel to the longitudinal axis of the long bone. Under outside force or inside force, the top of screw can move on the smooth surface surrounding the screw hole; the movement is a reversible one. Domestic plate can fix bone fracture stably, and the outside force and inside force can result in micromovement of the fracture ends, stimulating the fracture ends and bone callus formation. Repetitive force is beneficial to bone callus response, protect fragile new vessels and bone trabecula from damage, and promote fracture healing.
6.Development of SMART Technology and It’s Application
China Biotechnology 2006;0(06):-
Switching Mechanism At 5′ end of the RNA Transcript(SMART)is a technology used in biology researching,So far,there is no review only about SMART technology.So,the aim is to investigate the research developments of principles,methods and applications of the SMART technology.Based on some researches and combined with the review of the related literature at home and abroad,it analyzed and evaluated the latest development of the research on SMART.As the applications of the SMART technology expand in many fields day after day,it has been proved that the SMART technology is a very useful and efficient skill to construct full length cDNA library.As more and more researchers know this technology,the advantages of the SMART technology become obvious,and meanwhile the disadvantages of the SMART technology also show up.That is to say,the technology needed to be improved.
7.Discusses on the multimodality therapy of hepatocellular carcinoma.
Chinese Journal of Surgery 2006;44(15):1011-1014
8.The surface characterization of ultrafine grained titanium after roughness treatment of different types
Fan FENG ; Haitao XIN ; Yulu WU ; Xiaoou DIAO ; Chenyun DOU
Journal of Practical Stomatology 2017;33(2):168-173
Objective:To investigate the surface characterization,cell adhension and proliferation of ultrafine grained titanium (UFG Ti) after different sand blasting and acid-etching(SLA).Methods:The billets of UFG Ti and commercially pure titanium Ti(CP Ti) were incised into cylindrical specimens with 7 mm in diameter and 2 mm in height.The specimens were sand blasted at the air pressure of 0.2,0.4,0.6 and 0.8 MPa respectively(n =10) and then acid-etched.The surface morphology,roughness and surface wettability of the specimens were examined.Rat embryo osteoblasts MC3T3-E1 were cultured on the speciments for 1 d,3 d and 5 d respectively,the cell morphology and cell density were observed.Results:The different hierarchical porous topographies were formed on the surface of UFG and CP Ti after modified by SLA.The sizes of blasted holes on the surface and the surface roughness of both materials increased with the increase of blast pressure,but the values of UFG Ti were lower than those of CP Ti correspondingly(P < 0.05).The surface wettability of them was also changed with the blast pressure,but the values of UFG Ti was significantly smaller than those of CP Ti(P < 0.05).When the blast pressure was 0.6 Mpa,the UFG Ti exhibited excellent wettability,the cell density was the highest,the morphology of MC3T3-E1 cells on UFG Ti was superior to that on CP Ti.Conclusion:UFG Ti exhibits proper surface morphology,roughness and excellent wettability,which is more appropriate for adhension and proliferation of MC3T3-E1 cells after modification by SLA at blast pressure of 0.6 Mpa.
9.Efficacy of Liangxue Jiedu Huoxue Decoction in prevention of radiation pneumonitis: a randomized controlled trial.
Chun XIAO ; Huijuan DING ; Linchun FENG ; Baolin QU ; Yongqi DOU
Journal of Integrative Medicine 2010;8(7):624-8
Background: Radiation pneumonitis is one of the most common complications during radiotherapy of thoracic tumors. It impacts the quality of life of the patients and has life-threatening danger. However, there is a lack of drugs for prevention and treatment of this disease. Objective: To evaluate the efficacy of Liangxue Jiedu Huoxue Decoction, a compound traditional Chinese herbal medicine, in prevention of radiation pneumonitis. Design, setting, participants and interventions: A prospective randomized clinical study was conducted. A total of 100 patients diagnosed with lung cancer from Department of Radiotherapy, Chinese PLA General Hospital, who were planning to receive radiotherapy, were randomly assigned into treatment group and control group, with 50 patients in each group. In the treatment group 3 cases were lost to follow-up and one case was excluded, while in the control group 6 cases were lost to follow-up and 2 cases were excluded. Patients in the treatment group were treated with Liangxue Jiedu Huoxue Decoction in addition to radiotherapy, while patients in the control group were treated with radiotherapy alone. Main outcome measures: The incidence rates of radiation pneumonitis in the two groups were calculated. Acute radiation injury scoring criteria by Radiation Therapy Oncology Group (RTOG), clinical-radiographic-physiologic (CRP) score system, and Karnofsky Performance Status Scale (KPS) were used to evaluate the status of the patients. Results: The incidence rate of radiation pneumonitis was lower in the treatment group than in the control group (13.04% versus 33.33%, P<0.05). According to the RTOG scale, the extent of lung injury was improved in the treatment group as compared with that in the control group (P<0.05). The CRP score in the treatment group was significantly lower than that in the control group (P<0.05). The KPS score in the treatment group was significantly higher than that in the control group (P<0.05). Conclusion: Liangxue Jiedu Huoxue Decoction can decrease the incidence rate of radiation pneumonitis, reduce the extent of the lung injury, alleviate the symptoms of radiation pneumonitis, and improve life quality of the patients.
10.Pancreatic tuberculosis: MDCT features and differential diagnosis
Zonghui LIANG ; Yafang DOU ; Ying TANG ; Weijun TANG ; Xiaoyuan FENG
Chinese Journal of Pancreatology 2011;11(2):110-112
Objective To study the multi-detector spiral CT (MDCT) features of pancreatic tuberculosis to improve the awareness and correct diagnosis. Methods Imaging features of MDCT were retrospectively reviewed on 9 cases with pancreatic tuberculosis that were diagnosed from 2003 to 2009, among them two patients underwent MDCT angiography, the features were compared with those of operative and pathological findings. Results One case of pancreatic cancer, 2 cases of cystadenocarcinoma and 1 case of pseudocyst, 2 cases of pancreatic cancer with retroperitoneal lymph node metastasis, 2 cases of lymphoma were diagnosed by MDCT, and all the lesions were diagnosed as pancreatic tuberculosis pathologically, and the misdiagnosis rate was 100%. Pancreatic tuberculosis often presented as pancreatic head mass, sometimes pancreatic body and tail were involved. MDCT showed isopycnic or low density solid-cyst mass, occasionally calcification was present, with slightly or moderate ring-like enhancement after contrast injection. There was no enlargement of the pancreatic duct. The retroperitoneal and adjacent lymph nodes were always enlarged with ring-like enhancement. Sometimes there was evidence of tuberculosis of other abdominal organs. Conclusions Ring-like enhanced lesions with ring-like enhanced lymph nodes without enlargement of pancreatic duct are characteristic MDCT features of pancreatic tuberculosis.