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Wang Y, Yan QH, Wang GC, Wang T, Gao CQ, Li LJ, Ding LL, Zhang Z, Wang C, Zhang Y, Qi ZC. [Clinical efficacy of autologous biological patch in preventing rectovaginal fistula after pelvic exenteration]. Zhonghua Wei Chang Wai Ke Za Zhi 2024; 27:278-282. [PMID: 38532591 DOI: 10.3760/cma.j.cn441530-20230306-00068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
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Zhang YM, Wang GC, Liu YJ, Wang YC, Zhang GQ, Zhang Y, Gao CQ, Wang C, Zhang Z, Yang J, Jin L, Wang YP, Niu ZL. [Exploration of the method and efficacy of treatments for intractable pelvic pain caused by rectal or bladder fistula]. Zhonghua Zhong Liu Za Zhi 2024; 46:263-268. [PMID: 38494773 DOI: 10.3760/cma.j.cn112152-20231024-00219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Objective: To explore the causes and therapeutic effects of pelvic pain caused by rectal fistula or bladder fistula after comprehensive treatment of cervical cancer and rectal cancer (radiotherapy, surgery, chemotherapy, and other treatments). Methods: A retrospective analysis was conducted on the clinical and pathological data of patients with pelvic tumors admitted to the First People's Hospital of Yinchuan City, Ningxia and the Affiliated Cancer Hospital of Zhengzhou University from June 2016 to June 2022. The causes of persistent pelvic pain in patients after comprehensive treatment was investigated, and the corresponding therapeutic effects after clinical treatment was observed. Results: Thirty-two tumor patients experienced persistent pain after comprehensive treatment, including 22 cases of cervical cancer and 10 cases of rectal cancer. The preoperative pain of the entire group of patients was evaluated using the digital grading method, with a pain score of (7.88±1.31) points. Among the 32 patients, there were 16 cases of rectovaginal fistula or ileovaginal fistula, 9 cases of vesicovaginal fistula, 5 cases of rectoperineal fistula, and 2 cases of vesicovaginorectal fistula. Thirty-two patients were initially treated with medication to relieve pain, and according to the ruptured organs, a fistula was made to the corresponding proximal intestinal canal and renal pelvis to intercept the intestinal contents and urine. However, the pain did not significantly be improved. The pain score of treatment with the above methods for one week was (8.13±1.13) points, and there was no statistically significant difference compared to preoperative treatment (P=0.417). In the later stage, based on a comprehensive evaluation of whether the tumor had recurred, the value of organ preservation, the benefits of surgery, the balance between survival time and improving quality of life, pathological organ resection or repair was performed. The surgical methods included repair of leaks, local debridement combined with irrigation of proximal intestinal fluid, distal closure of the sigmoid colon combined with proximal ostomy, posterior pelvic organ resection, anterior pelvic organ resection, and total pelvic organ resection. One week after surgery, the patients' pain completely relieved or disappeared, with the pain score of (1.72±1.37) points, which was significantly divergent from the preoperative and initial surgical treatments (P<0.001). Conclusions: Palliative pyelostomy and proximal enterostomy cannot effectively alleviate persistent pelvic floor pain. The fundamental way to alleviate pain is complete blocking of the inflammatory erosion of the intestinal fluid and urine.
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Affiliation(s)
- Y M Zhang
- Department of Gynecology, the First People's Hospital of Yinchuan, the Second Clinical Medical College of Ningxia Medical University, Yinchuan 750001, China
| | - G C Wang
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y J Liu
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Y C Wang
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - G Q Zhang
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Y Zhang
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - C Q Gao
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - C Wang
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Z Zhang
- Department of General Surgery, Henan Provincial Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - J Yang
- Department of Gynecology, the First People's Hospital of Yinchuan, the Second Clinical Medical College of Ningxia Medical University, Yinchuan 750001, China
| | - L Jin
- Department of Gynecology, the First People's Hospital of Yinchuan, the Second Clinical Medical College of Ningxia Medical University, Yinchuan 750001, China
| | - Y P Wang
- Department of Gynecology, the First People's Hospital of Yinchuan, the Second Clinical Medical College of Ningxia Medical University, Yinchuan 750001, China
| | - Z L Niu
- Department of Gynecology, the First People's Hospital of Yinchuan, the Second Clinical Medical College of Ningxia Medical University, Yinchuan 750001, China
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Wang GC, Wang GY, Zhao J, Guo LL, Tian KK, Wang T, Gao CQ, Li LJ, Liu YJ, Zhang GQ, Wang YC, Ding LL, Zhang Z, Wang C, Qi ZC. [Clinical application effect of pedunculated rectus abdominis muscle combined with bilateral ureters for repairing refractory bladder-vaginal stump fistula through external vesical drainage]. Zhonghua Zhong Liu Za Zhi 2023; 45:1077-1080. [PMID: 38110316 DOI: 10.3760/cma.j.cn112152-20230605-00223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Objective: To investigate the efficacy and safety of pedunculated rectus abdominis combined with bilateral ureteral extravestheter drainage in the treatment of refractory bladder-vaginal stump fistula. Methods: The clinical data of 8 cases of the refractory bladder-vaginal stump fistula were admitted to the Second Hospital of Hebei Medical University and Henan Cancer Hospital and underwent the clinical treatment of bladder-vaginal stump from December 2019 to December 2022 were collected. The reason of refractory bladder-vaginal stump fistula was analyzed, the operation manner of pedunculated rectus abdominis combined with peduncle and bilateral ureter for the treatment of bladder-vaginal stump through extrabladder drainage was explored. The operation time, bleeding volume and clinical effect were record. Results: The median operation time of 8 patients was 150 minutes(120~180 min), and the median blood loss was 400 ml(200~600 ml). During the perioperative period, there were 2 cases of incision infection, delayed healing by debridement and dressing, 2 cases of incision rupture and suture wound healing after reoperation, and 2 cases of urinary tract infection were cured by anti-infection. When followed up for 6 months, 8 cases of vesicovaginal stump fistula were cured. Conclusion: Bilateral ureteral external drainage of the rectus abdominis muscle, has a practical effect in the treatment of refractory bladder-vaginal stump fistula, which can be one of the clinical repairing treatment.
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Affiliation(s)
- G C Wang
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - G Y Wang
- Department of Colorectal Surgery, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - J Zhao
- Department of Colorectal Surgery, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - L L Guo
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - K K Tian
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - T Wang
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - C Q Gao
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - L J Li
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y J Liu
- Department of General Surgery, Henan Cancer Hospital, the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - G Q Zhang
- Department of General Surgery, Henan Cancer Hospital, the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Y C Wang
- Department of General Surgery, Henan Cancer Hospital, the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - L L Ding
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Z Zhang
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - C Wang
- Department of Abdominopelvic Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Z C Qi
- Department of General Surgery, Henan Cancer Hospital, the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
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Wang GC, Li HL, Liu Y, Gu XH, Liu RX, Feng R, Wang YC, Liu YJ, Zhang GQ, Zhang Z, Wang HL, Wang F, Zhang Y. [Analysis of the causes of long-standing pelvic anterior sacral space infection and discussion of management techniques]. Zhonghua Zhong Liu Za Zhi 2023; 45:273-278. [PMID: 36944549 DOI: 10.3760/cma.j.cn112152-20210217-00136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
Objective: To investigate the causes and management of long-term persistent pelvic presacral space infection. Methods: Clinical data of 10 patients with persistent presacral infection admitted to the Cancer Hospital of Zhengzhou University from October 2015 to October 2020 were collected. Different surgical approaches were used to treat the presacral infection according to the patients' initial surgical procedures. Results: Among the 10 patients, there were 2 cases of presacral recurrent infection due to rectal leak after radiotherapy for cervical cancer, 3 cases of presacral recurrent infection due to rectal leak after radiotherapy for rectal cancer Dixons, and 5 cases of presacral recurrent infection of sinus tract after adjuvant radiotherapy for rectal cancer Miles. Of the 5 patients with leaky bowel, 4 had complete resection of the ruptured nonfunctional bowel and complete debridement of the presacral infection using an anterior transverse sacral incision with a large tipped omentum filling the presacral space; 1 had continuous drainage of the anal canal and complete debridement of the presacral infection using an anterior transverse sacral incision. 5 post-Miles patients all had debridement of the presacral infection using an anterior transverse sacral incision combined with an abdominal incision. The nine patients with healed presacral infection recovered from surgery in 26 to 210 days, with a median time of 55 days. Conclusions: Anterior sacral infections in patients with leaky gut are caused by residual bowel secretion of intestinal fluid into the anterior sacral space, and in post-Miles patients by residual anterior sacral foreign bodies. An anterior sacral caudal transverse arc incision combined with an abdominal incision is an effective surgical approach for complete debridement of anterior sacral recalcitrant infections.
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Affiliation(s)
- G C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China Department of Gneneral Surgery, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - H L Li
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - Y Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - X H Gu
- Henan Institute of Medical Information, Zhengzhou 450018, China
| | - R X Liu
- Henan Institute of Medical Information, Zhengzhou 450018, China
| | - R Feng
- Henan Institute of Medical Information, Zhengzhou 450018, China
| | - Y C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - Y J Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - G Q Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - Z Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - H L Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - F Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
| | - Y Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, He'nan Provincial Cancer Hospital, Zhengzhou 450003, China
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Wang GC, Huang GJ, Zhang CQ, Ding Q. Percutaneous transhepatic intraportal biopsy using gastroscope biopsy forceps for diagnosis of a pancreatic neuroendocrine neoplasm: A case report. World J Gastroenterol 2023; 29:1235-1242. [PMID: 36926671 PMCID: PMC10011950 DOI: 10.3748/wjg.v29.i7.1235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 02/21/2023] Open
Abstract
BACKGROUND Pancreatic neuroendocrine neoplasms (PNENs) are a rare group of neoplasms originating from the islets of the Langerhans. Portal vein tumor thrombosis has been reported in 33% of patients with PNENs. While the histopathological diagnosis of PNENs is usually based on percutaneous biopsy or endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA), these approaches may be impeded by gastric varices, poor access windows, or anatomically contiguous critical structures. Obtaining a pathological diagnosis using a gastroscope biopsy forceps via percutaneous transhepatic intravascular pathway is an innovative method that has rarely been reported.
CASE SUMMARY A 72-year-old man was referred to our hospital for abdominal pain and melena. Abdominal contrast-enhanced magnetic resonance imaging revealed a well-enhanced tumor (size: 2.4 cm × 1.2 cm × 1.2 cm) in the pancreatic tail with portal vein invasion. Traditional pathological diagnosis via EUS-FNA was not possible because of diffuse gastric varices. We performed a percutaneous transportal biopsy of the portal vein tumor thrombus using a gastroscope biopsy forceps. Histopathologic examination revealed a pancreatic neuroendocrine neoplasm (G2) with somatostatin receptors 2 (+), allowing systemic treatment.
CONCLUSION Intravascular biopsy using gastroscope biopsy forceps appears to be a safe and effective method for obtaining a histopathological diagnosis. Although well-designed clinic trials are required to obtain more definitive evidence, this procedure may help improve the diagnosis of portal vein thrombosis and related diseases.
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Affiliation(s)
- Guang-Chuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Guang-Jun Huang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Chun-Qing Zhang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Qian Ding
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
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Wu Q, Zhang CQ, Zhao LH, Wang GC. [A case of progressive jaundice after transjugular intrahepatic portosystemic shunt]. Zhonghua Gan Zang Bing Za Zhi 2023; 31:186-188. [PMID: 37137835 DOI: 10.3760/cma.j.cn501113-20220502-00235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Affiliation(s)
- Q Wu
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - C Q Zhang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China Shandong Provincial Hospital, Shandong University, Jinan 250021, China
| | - L H Zhao
- Shandong Provincial Hospital, Shandong University, Jinan 250021, China
| | - G C Wang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China Shandong Provincial Hospital, Shandong University, Jinan 250021, China
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Wang GC. [The role of autoantibodies in myositis associated interstitial lung disease]. Zhonghua Jie He He Hu Xi Za Zhi 2022; 45:632-634. [PMID: 35768371 DOI: 10.3760/cma.j.cn112147-20220513-00407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Myositis-associated interstitial lung disease (M-ILD) is a heterogeneous group of diseases. It can be divided into different subtypes listed below according to different myositis antibodies. (1) ASS-related ILD responds well to glucocorticoid plus immunosuppressant therapy but tends to relapse. (2) Anti-MDA5-related ILD is the worst prognosis of M-ILD with high mortality rate, and most patients die within the first 6 months of the disease course. (3) Non-MDA-5 DM-associated ILD is often mild, and NSIP is the main HRCT pattern. (4) IMNM-associated ILD shows mild clinical symptoms of ILD in majority of the case, and NSIP is also the main HRCT pattern. (5) With MAA-associated ILD, anti-Ku-positive patients are more common complicated with ILD. In addition, the changes of serum levels of myositis antibody are generally positively correlated with disease activity, and titer drop after disease remission. Therefore, myositis antibodies are important immunological biomarkers for clinical typing and prognosis of M-ILD.
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Affiliation(s)
- G C Wang
- Department of Rheumatology, Key Laboratory of Myositis, China-Japan Friendship Hospital, Beijing 100029, China
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Zhang W, Liu FQ, Zhang LP, Ding HG, Zhuge YZ, Wang JT, Li L, Wang GC, Wu H, Li H, Cao GH, Lu XF, Kong DR, Sun L, Wu W, Sun JH, Liu JT, Zhu H, Li DL, Guo WH, Xue H, Wang Y, Gengzang CJC, Zhao T, Yuan M, Liu SR, Huan H, Niu M, Li X, Ma J, Zhu QL, Guo WW, Zhang KP, Zhu XL, Huang BR, Li JN, Wang WD, Yi HF, Zhang Q, Gao L, Zhang G, Zhao ZW, Xiong K, Wang ZX, Shan H, Li MS, Zhang XQ, Shi HB, Hu XG, Zhu KS, Zhang ZG, Jiang H, Zhao JB, Huang MS, Shen WY, Zhang L, Xie F, Li ZW, Hou CL, Hu SJ, Lu JW, Cui XD, Lu T, Yang SS, Liu W, Shi JP, Lei YM, Bao JL, Wang T, Ren WX, Zhu XL, Wang Y, Yu L, Yu Q, Xiang HL, Luo WW, Qi XL. [Status of HVPG clinical application in China in 2021]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:637-643. [PMID: 36038326 DOI: 10.3760/cma.j.cn501113-20220302-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: The investigation and research on the application status of Hepatic Venous Pressure Gradient (HVPG) is very important to understand the real situation and future development of this technology in China. Methods: This study comprehensively investigated the basic situation of HVPG technology in China, including hospital distribution, hospital level, annual number of cases, catheters used, average cost, indications and existing problems. Results: According to the survey, there were 70 hospitals in China carrying out HVPG technology in 2021, distributed in 28 provinces (autonomous regions and municipalities directly under the central Government). A total of 4 398 cases of HVPG were performed in all the surveyed hospitals in 2021, of which 2 291 cases (52.1%) were tested by HVPG alone. The average cost of HVPG detection was (5 617.2±2 079.4) yuan. 96.3% of the teams completed HVPG detection with balloon method, and most of the teams used thrombectomy balloon catheter (80.3%). Conclusion: Through this investigation, the status of domestic clinical application of HVPG has been clarified, and it has been confirmed that many domestic medical institutions have mastered this technology, but it still needs to continue to promote and popularize HVPG technology in the future.
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Affiliation(s)
- W Zhang
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - F Q Liu
- Department of Interventional Radiology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - L P Zhang
- Department of Radiology,Third Hospital of Taiyuan, Taiyuan 030012, China
| | - H G Ding
- Liver Disease Digestive Center,Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Y Z Zhuge
- Digestive Department,Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China
| | - J T Wang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - L Li
- Department of Interventional Radiology, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - G C Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - H Wu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - H Li
- Institute of Hepatology and Department of Infectious Disease, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - G H Cao
- Department of Radiology, Shulan Hospital, Hangzhou 310022, China
| | - X F Lu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - D R Kong
- Digestive Department, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - L Sun
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - W Wu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - J H Sun
- Hepatobiliary and Pancreatic Intervention Center , the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - J T Liu
- Digestive Department,Hainan Hospital of Chinese PLA General Hospital, Sanya 572013, China
| | - H Zhu
- The 1 st Department of Interventional Radiology, the Sixth People's Hospital of Shenyang, Shenyang 110006, China
| | - D L Li
- No. 900 Hospital of the Joint Logistic Support Force, Fuzhou 350025, China
| | - W H Guo
- Department of Interventional Radiology, Meng Chao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China
| | - H Xue
- Digestive Department, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Y Wang
- Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - C J C Gengzang
- Department of Interventional Radiology, the Fourth People's Hospital of Qinghai Province, Xining 810007, China
| | - T Zhao
- Department of Radiology,Sir Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
| | - M Yuan
- Department of Interventional Radiology Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - S R Liu
- Department of Infectious Disease,Qufu People's Hospital, Qufu 273199, China
| | - H Huan
- Digestive Department, Chengdu Office Hospital of Tibet Autonomous Region People's Government, Chengdu 610041, China
| | - M Niu
- Department of Interventional Radiology, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - X Li
- Department of Radiology,Tianjin Second People's Hospital, Tianjin 300192, China
| | - J Ma
- Department of Interventional Vascular Surgerg, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - Q L Zhu
- Digestive Department,the Affiliated Hospital of Southwest Medical University, Luzhou 646099, China
| | - W W Guo
- Department of Interventional Radiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - K P Zhang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - X L Zhu
- Department of Surgery, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - B R Huang
- Department of Interventional Vascular Surgery,Jingzhou First People's Hospital, Jingzhou, China
| | - J N Li
- Liver Diseases Department,Jiamusi Infectious Disease Hospital, Jiamusi 154015, China
| | - W D Wang
- Hepatobiliary, Pancreatic and Spleen Surgery Department,Shunde Hospital, Southern Medical University, Foshan 528427, China
| | - H F Yi
- Digestive Department,Wuhan First Hospital, Wuhan 430030, China
| | - Q Zhang
- Interventional Vascular Surgery Department, Affiliated Zhongda Hospital of Southeast University, Nanjing 210009, China
| | - L Gao
- Oncology and Vascular Interventional Department, First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - G Zhang
- Digestive Department, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - Z W Zhao
- Department of Interventional Radiology, Lishui Municipal Central Hospital, Zhejiang University School of Medicine, Lishui 323030, China
| | - K Xiong
- Digestive Department, the Second Affiliated Hospital of Nanchang University, Nanchang 330008, China
| | - Z X Wang
- Inner Mongolia Medical University Affiliated Hospital, Hohhot 010050, China
| | - H Shan
- Interventional Medicine Center, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - M S Li
- Department of Endovascular Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - X Q Zhang
- Digestive Department, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - H B Shi
- Department of Interventional Radiology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X G Hu
- Interventional Radiology Department,Jinhua Municipal Central Hospital, Jinhua 321099, China
| | - K S Zhu
- Interventional Radiology Department, the Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510260, China
| | - Z G Zhang
- Department of Liver Surgery,Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - H Jiang
- Infectious Disease Department,Second Affiliated Hospital, Military Medical University of the Air Force, Xi'an 710038, China
| | - J B Zhao
- Department of Vascular and Interventional Radiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - M S Huang
- Interventional Radiology Department, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - W Y Shen
- Digestive Department,Fuling Hospital Affiliated to Chongqing University, Chongqing 400030, China
| | - L Zhang
- Hepatobiliary Pancreatic Center,Tsinghua Changgung Hospital, Beijing 102200, China
| | - F Xie
- Function Department,Lanzhou Second People's Hospital, Lanzhou 730030, China
| | - Z W Li
- Hepatobiliary Surgery Department,Shenzhen Third People's Hospital, Shenzhen518112, China
| | - C L Hou
- Department of Interventional Radiology, the First Affiliated Hospital of USTC, Hefei 230001, China
| | - S J Hu
- Digestive Department,People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - J W Lu
- Department of Interventional Radiology, Qufu People's Hospital, Qufu 273199, China
| | - X D Cui
- Department of Interventional Radiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - T Lu
- Department of Gastroenterology, Yangquan Third People's Hospital, Yangquan 045099,China
| | - S S Yang
- Department of Gastroenterology, General Hospital of Ningxia Medical University , Yinchuan 750003, China
| | - W Liu
- Department of Interventional Radiology, Lishui People's Hospital, Zhejiang Province, Lishui 323050, China
| | - J P Shi
- Department of Liver Diseases, Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
| | - Y M Lei
- Interventional Radiology Department, People's Hospital of Tibet Autonomous Region, Lhasa 850001, China
| | - J L Bao
- Department of Gastroenterology, Shannan people's Hospital,Shannan 856004, China
| | - T Wang
- Department of Interventional Radiology, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai 264099,China
| | - W X Ren
- Interventional Treatment Center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011,China
| | - X L Zhu
- Interventional Radiology Department, the First Affiliated Hospital of Suzhou University, Suzhou 215006, China
| | - Y Wang
- Department of Interventional Vascular Surgery, the Second Affiliated Hospital of Hainan Medical College, Haikou 570216, China
| | - L Yu
- Department of Interventional Radiology, Sanming First Hospital Affiliated to Fujian Medical University,Sanming 365001,China
| | - Q Yu
- Interventional Radiology Department, Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - H L Xiang
- Department of Gastroenterology, Tianjin Third Central Hospital, Tianjin 300170, China
| | - W W Luo
- Deparment of Infectious Diseases, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - X L Qi
- Center of Portal Hypertension Department of Radiology, Zhongda Hospital of Southeast University, Nanjing 210009, China
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Zhang GQ, Wang GC, Li HL, Gu XH, Liu RX, Feng R, Wang YC, Liu YJ, Zhang Z, Wang HL. [Reoperation and perioperative management of residual cyst wall with perineal intractable sinus after resection of presacral cyst tumors]. Zhonghua Zhong Liu Za Zhi 2021; 43:973-978. [PMID: 34530582 DOI: 10.3760/cma.j.cn112152-20200914-00821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the reoperation and perioperative management of residual cyst wall with perineal intractable sinus after resection of presacral cyst tumors. Methods: The clinical data of 29 patients with residual cyst wall and perineal intractable sinus after resection of presacral cyst tumors in Affiliated Cancer Hospital of Zhengzhou University from January 2014 to August 2019 were reviewed, including the characteristics of the residual cyst wall with perineal intractable sinus after resection of presacral cyst tumors, surgical method, and perioperative management. Results: Twenty-nine patients with residual cyst wall and perineal intractable sinus after resection of presacral cyst tumors, including 9 cases of epidermoid cysts, 7 cases of dermoid cysts, 10 cases of mature teratomas and 3 cases of malignant cysts (including malignant transformation of caudate cyst and teratoma); The 29 patients underwent posterior approaches for cyst resection in other hospital before, of whom 1 patient underwent posterior combined with transabdominal approach. All of thes patients underwent resection of residual presacral cyst wall and perineal intractable sinus in our hospital, of whom 25 patients underwent a transperineal approach through an arc-shaped incision anterior to the apex of the coccyx, and the other 4 patients underwent transperineal arc-shaped incision combined with transabdominal approach. All of the patients were cured without serious complications occurring, postoperative pathological and the magnetic resonance imaging diagnosis showed that the residual cyst wall and perineal intractable sinus were all completely removed. Conclusion: Appropriate surgical approache and perioperative treatment for the patients with residual cyst wall and perineal intractable sinus are very important to promote the resection of residual cyst wall and the healing of perineal intractable sinus.
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Affiliation(s)
- G Q Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - G C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - H L Li
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - X H Gu
- Henan Medical Information Research Institute, Zhengzhou 450016, China
| | - R X Liu
- Henan Medical Information Research Institute, Zhengzhou 450016, China
| | - R Feng
- Henan Medical Information Research Institute, Zhengzhou 450016, China
| | - Y C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - Y J Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - Z Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - H L Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
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10
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Li B, Chen J, Zhang CQ, Wang GC, Hu JH, Luo JJ, Zhang W, Wei YC, Zeng XQ, Chen SY. The pharmacodynamic effect of terlipressin versus high-dose octreotide in reducing hepatic venous pressure gradient: a randomized controlled trial. Ann Transl Med 2021; 9:793. [PMID: 34268406 PMCID: PMC8246168 DOI: 10.21037/atm-20-6774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 01/31/2021] [Indexed: 11/25/2022]
Abstract
Background Vasoactive drugs can reduce portal venous pressure and control variceal bleeding. However, few studies have explored the hemodynamic effects of terlipressin and high-dose octreotide in such patients. Our purpose was to evaluate the hemodynamic changes and safety of using terlipressin and high-dose octreotide in patients with decompensated liver cirrhosis. Methods A multi-center randomized controlled trial was conducted. Cirrhotic patients with a history of variceal bleeding were included. Terlipressin or high-dose octreotide was administered during the procedure of measuring hepatic venous pressure gradient (HVPG). Hemodynamic parameters and symptoms were recorded. Results A total of 88 patients were included. HVPG was significantly reduced at 10, 20, and 30 min after drug administration in the terlipressin group (16.3±6.4 vs. 14.7±5.9, 14.0±6.1, and 13.8±6.1, respectively, P<0.001) and the high-dose octreotide group (17.4±6.6 vs. 15.1±5.8, 15.3±6.2, and 16.1±6.0, respectively P<0.01). Decreased heart rate and increased mean arterial pressure were more often observed in the terlipressin group. The overall response rates were not significantly different between the groups (52.8% vs. 44.8%, P=0.524). The terlipressin group had significantly higher response rates at 30 min compared to the high-dose octreotide group in those with alcoholic liver cirrhosis [6/6 (100%) vs. 0/4 (0%), P=0.005]. The incidence of adverse drug events was rare and similar in the two groups. Conclusions Both terlipressin and high-dose octreotide were effective and safe for reducing HVPG. The pharmacodynamic effect of terlipressin persisted longer. The terlipressin group had higher response rates in those with alcoholic cirrhosis (trial number: NCT02119884).
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Affiliation(s)
- Bing Li
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jie Chen
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, China.,Center of Evidence-Based Medicine, Fudan University, Shanghai, China
| | - Chun-Qing Zhang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Guang-Chuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Jin-Hua Hu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Jian-Jun Luo
- Department of Interventional Radiotherapy, Zhongshan Hospital Fudan University, Shanghai, China
| | - Wen Zhang
- Department of Geratology, Zhongshan Hospital Fudan University, Shanghai, China
| | - Yi-Chao Wei
- Department of Geratology, Zhongshan Hospital Fudan University, Shanghai, China
| | - Xiao-Qing Zeng
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, China.,Center of Evidence-Based Medicine, Fudan University, Shanghai, China
| | - Shi-Yao Chen
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, China.,Center of Evidence-Based Medicine, Fudan University, Shanghai, China.,Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China
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11
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Sun XY, Wang GC, Wang J, Huang GJ, Zhang CQ. Transjugular intrahepatic portosystemic shunt is effective in patients with chronic portal vein thrombosis and variceal bleeding. Hepatobiliary Pancreat Dis Int 2021; 20:128-136. [PMID: 33455864 DOI: 10.1016/j.hbpd.2020.12.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 12/11/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Studies about treatment of patients with chronic portal vein thrombosis (CPVT) are still limited, especially in different types of CPVT. This study aimed to evaluate the effect of transjugular intrahepatic portosystemic shunt (TIPS) in all types of CPVT with variceal bleeding. METHODS Patients with CPVT who received TIPS treatment between January 2011 and June 2019 were divided into four types according to the extent of thrombosis. All patients had a history of variceal bleeding. The characteristics and clinical parameters were collected and recorded. Data on procedure success rate, variation in portal vein pressure, rebleeding, hepatic encephalopathy (HE), stent stenosis, and overall mortality were analyzed. RESULTS A total of 189 patients were included in this study (39 in type 1, 84 in type 2, 48 in type 3, 18 in type 4). The TIPS procedure success rate was 86.2%. The success rate was significantly different among the four types (89.7% vs. 88.1% vs. 83.3% vs. 77.8%, P = 0.001). In the TIPS success group, portal vein pressure was significantly reduced from 27.15 ± 6.59 to 19.74 ± 6.73 mmHg after the procedure (P < 0.001) and the rebleeding rate was significantly lower than that of the fail group (14.7% vs. 30.8%, P = 0.017). In addition, there were no significant differences in HE rate (30.7% vs. 26.9%, P = 0.912) or overall mortality (12.9% vs. 19.2%, P = 0.403) between the TIPS success group and the fail group. In the TIPS success group, we found that the occurrence of HE was significantly different (P = 0.020) among the four types, while there were no significant differences in rebleeding rate (P = 0.669), stent stenosis rate (P = 0.056), or overall mortality (P = 0.690). CONCLUSIONS TIPS was safe and effective in decreasing portal vein pressure and rebleeding rate in patients with CPVT.
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Affiliation(s)
- Xiao-Yan Sun
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Guang-Chuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Jing Wang
- Department of Infectious Diseases, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Guang-Jun Huang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Chun-Qing Zhang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China.
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12
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Li SZ, Jiang W, Li WL, Lu X, Wang GC. [Clinico-pathological and follow-up analysis of 5 skeletal muscle single-organ vasculitis cases]. Zhonghua Yi Xue Za Zhi 2021; 101:803-807. [PMID: 33765722 DOI: 10.3760/cma.j.cn112137-20200630-02000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objectives: To delineate clinico-pathological features, treatment and outcome of skeletal muscle single-organ vasculitis (SM-SOV). Methods: The clinico-pathological characteristic of SM-SOV cases treated over 3 years in China-Japan Friendship Hospital were retrospectively analyzed and the data were compared with the cases from the literature. Results: Five patients (2 women and 3 men) with a median age of 36 years were included in this study. The main clinical manifestations were lower limb myalgia (5/5) and fever (1/5). The most frequent laboratory findings included high erythrocyte sedimentation rate (5/5), high C reactive protein (5/5) and leukocytosis (1/5). No elevated creatine kinase (CK) was found in these cases. Four patients received electromyogram examination and none of them showed myogenic injury. On MRI, hyperintense signals in T2 weighted image (T2WI) and/or short TI inversion recovery (STIR) and normal unenhanced T1 weighted image (T1WI) of one or several leg muscles was founded in all 5 patients. All muscle specimens showed nongranulomatous vasculitis without myonecrosis affecting small sized artery (5/5) in perimysia (75.0%, 3/4) or both perimysia and fascia (25.0%, 1/4). Corticosteroids (5/5) and immunosuppressants (5/5) were the main agents prescribed. With a median follow-up of 24 months, sustained remission was observed in 3 patients, relapses occurred in 2 patients. Conclusion: SM-SOV should be considered for patients with lower limb myalgia, high inflammatory markers and normal/low CK level. The diagnosis of SM-SOV should be applied when there are both histologic evidence of vasculitis and a minimum of 6 months of follow-up surveillance without evidences suggesting extra-muscular involvement. Corticosteroid combined with immunosuppressant is effective.
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Affiliation(s)
- S Z Li
- Graduate School, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - W Jiang
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - W L Li
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - X Lu
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - G C Wang
- Graduate School, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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13
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Xia YF, Zhang CQ, Wang GC. [Ascites as the first manifestation of POEMS syndrome: a case report]. Zhonghua Nei Ke Za Zhi 2021; 60:249-250. [PMID: 33663176 DOI: 10.3760/cma.j.cn112138-20200421-00403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- Y F Xia
- Department of Gastroenterology, Shandong Provincial Hospital, Jinan 250021, China
| | - C Q Zhang
- Department of Gastroenterology, Shandong Provincial Hospital, Jinan 250021, China
| | - G C Wang
- Department of Gastroenterology, Shandong Provincial Hospital, Jinan 250021, China
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14
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Zhang GQ, Wang GC, Liu YJ, Wang YC, Li D, Gao CQ, Ding LL, Liu Y, Han GS. [Types and treatment of easily-missed, misdiagnosed intestinal obstruction after radical radiotherapy of cervical cancer]. Zhonghua Zhong Liu Za Zhi 2020; 42:973-975. [PMID: 33256312 DOI: 10.3760/cma.j.cn112152-20200414-00346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the types and treatment methods of easily-missed, misdiagnosed intestinal obstruction after radical radiotherapy of cervical cancer. Methods: The clinical data of 21 patients with intestinal obstruction after radical radiotherapy of cervical cancer in our hospital from May 2013 to May 2019 were collected, including the radiation dose, obstruction symptoms, surgical methods and treatment outcomes. The types and treatment methods of intestinal obstruction after radical radiotherapy of cervical cancer were further investigated. Results: The intestinal obstruction occurred in 21 patients with cervical cancer after radical radiotherapy. All patients were initially diagnosed as rectal obstruction and underwent the transverse colostomy. The obstruction symptoms were successfully resolved in 15 patients while failed in other 6 patients who then underwent the re-operation. Four patients with rectal obstruction accompanied by middle or terminal ileum obstruction underwent ileostomy, the other 2 patients with terminal ileum obstruction underwent the transverse ileal anastomosis and partial intestines exclusion surgery. All of the obstruction symptoms were alleviated. Conclusions: Rectal is the major obstruction site of the cervical cancer patients with intestinal obstruction after radical radiotherapy. However, a possibility of obstruction at the middle or end of the ileum also exists. Therefore, it is very important to avoid misdiagnosis and conduct appropriate operative treatment according to the obstruction site.
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Affiliation(s)
- G Q Zhang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - G C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - Y J Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - Y C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - D Li
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - C Q Gao
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - L L Ding
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - Y Liu
- Department of Radiotherapy, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
| | - G S Han
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Cancer Hospital, Zhengzhou 450000, China
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15
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Peng L, Chen Z, Wang G, Tian S, Kong S, Xu T, An X, Chen Y. Long noncoding RNA LBX2-AS1-modulated miR-4766-5p regulates gastric cancer development through targeting CXCL5. Cancer Cell Int 2020; 20:497. [PMID: 33061849 PMCID: PMC7552510 DOI: 10.1186/s12935-020-01579-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/28/2020] [Indexed: 02/07/2023] Open
Abstract
Background Long noncoding RNAs (LncRNAs) have been reported to critically regulate gastric cancer (GC). Recently, it was reported that LBX2 antisense RNA 1 (LBX2-AS1) is abnormally expressed in GC. However, the role of LBX2-AS1 in the malignancy of GC is worth further discussion. Methods Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the LBX2-AS1, miR-4766-5p and C-X-C motif chemokine (CXCL5) expression in GC tissues and cells. Dual-luciferase reporter assay was applied to examine the target relationship between LBX2-AS1 and miR-4766-5p or miR-4766-5p and CXCL5. Cell counting kit-8 (CCK-8) and Transwell assays were used to detect cell proliferation, migration and invasion rates. The protein expression of CXCL5 was confirmed using western blot. The RNA pull down experiment was used to verify the specificity of LBX2-AS1 and miR-4766-5p on BGC-823 and SGC-7901 cells. Results LBX2-AS1 was up-regulated in GC tissues and cells, and its knockdown suppressed proliferation, migration and invasion of GC cells. While, overexpression of LBX2-AS1 increased proliferation and increased CXCL5 mRNA level. CXCL5 improved cell proliferation, migration and invasion of GC cells. LBX2-AS1 could bind to miR-4766-5p to regulate CXCL5 expression. Overexpression of CXCL5 overturned those effects of miR-4766-5p in GC cells. RNA Pull down shown that BGC-823 and SGC-7901 cells, miR-4766-5p specifically binds to LBX2-AS1. Conclusions In short, this study demonstrated that LBX2-AS1 promoted proliferation, migration and invasion through up-regulation CXCL5 mediated by miR-4766-5p in GC. The LBX2-AS1/miR-4766-5p/CXCL5 regulatory axis provides a theoretical basis for the research on lncRNA-directed therapeutics in GC.
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Affiliation(s)
- LiPan Peng
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, China
| | - ZeZhong Chen
- Department of General Surgery, No. 1 People's Hospital of NingYang County, Taian, 271400 China
| | - GuangChuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021 China
| | - ShuBo Tian
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, China
| | - Shuai Kong
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, China
| | - Tao Xu
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, China
| | - XiaoHua An
- Department of Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021 China
| | - YueZhi Chen
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, China
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Xu YP, Zhou HY, Wang GC, Zhang Y, Yang T, Zhao Y, Li RT, Zhang RR, Guo Y, Wang X, Li XF, Qin CF, Tang R. Rational Design of a Replication-Competent and Inheritable Magnetic Viruses for Targeting Biomedical Applications. Small 2020; 16:e2002435. [PMID: 32954651 DOI: 10.1002/smll.202002435] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Infection with live-attenuated vaccines always inevitably induces side effects that reduce their safety. This study suggests a concept of magnetic virus produced by genetically modifying viral surfaces with Fe3 O4 nanoparticles (NPs) to control their tropisms. An iron-affinity peptide is designed to be displayed on the viral surface protein (VP1) of human enterovirus type 71 (EV71), a typical nonenveloped picornavirus, as the model. The modified EV71 can self-bind with Fe3 O4 NPs under physiological conditions, resulting in novel EV71-Fe3 O4 hybrid materials. This rationally engineered EV71 with Fe3 O4 retains its original biological infectivity, but its tropism can be precisely controlled by magnetism. Both in vitro and in vivo experiments demonstrate that EV71-Fe3 O4 can infect only a desired area within the limit of the applied magnetic field, which effectively reduces its pathological damage. More importantly, this characteristic of EV71 can be inherited due to the gene-induced coassembly of viruses and NPs. This achievement provides a proof of concept in virus vaccine improvement by a combination of gene modification and material incorporation, leading to great potential for biomedical developments.
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Affiliation(s)
- Yan-Peng Xu
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Hang-Yu Zhou
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
- Suzhou Institute of System Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215000, China
| | - Guang-Chuan Wang
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
- Department of Genetics, Yale University School of Medicine, New Haven, CT, 06511, USA
| | - Ying Zhang
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Tianxu Yang
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Yueqi Zhao
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Rui-Ting Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Rong-Rong Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Yan Guo
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Xiaoyu Wang
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Xiao-Feng Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Cheng-Feng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, 100071, China
| | - Ruikang Tang
- Center for Biomaterials and Biopathways Depart of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
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Wang GC, Gao CQ, Liu YJ, Han GS, Wang YC, Zhang GQ, Ding LL, Li B, Wang BC, Chang SW. [Retrospective analysis of curative effect of total pelvic organ resection and anal preservation in 20 patients with recurrence of cervical cancer after radical radiotherapy]. Zhonghua Zhong Liu Za Zhi 2020; 42:242-246. [PMID: 32252204 DOI: 10.3760/cma.j.cn112152-20190806-00504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the surgical method and effect of en bloc pelvic resection and anal preservation after radical radiotherapy for cervical cancer. Methods: Clinical data of 20 cervical cancer patients with central recurrence after radical radiotherapy underwent en bloc pelvic resection in the Tumor Hospital of Zhengzhou University and Hainan Provincial People's Hospital from January 2013 to December 2017 were retrospectively analyzed. The operative time, intraoperative blood loss, length of stay, postoperative anal function and postoperative complications were evaluated. Results: The median operation time of 20 patients with anal preservation after en bloc pelvic resection was 135.2 min, the median intraoperative blood loss was 680 ml, and the median hospitalization time was 16.5 days. Among them, 18 patients had good postoperative healing, and the anal function gradually returned to normal within 6 months after surgery, defecated 1~2 times per day.One patient showed incomplete adhesion between the external colon and the anus. One patient presented with pre-sacral infection. Postoperative pathology confirmed the recurrences in 20 patients, of which 11 cases were squamous cell carcinoma, 7 cases were adenocarcinoma, 2 cases were adenosquamous cell carcinoma. Conclusions: It is safe and reliable to preserve anus after en bloc pelvic resection for cervical cancer patients with radical radiotherapy. The anus function is good enough to improve the postoperative life quality of patients significantly.
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Affiliation(s)
- G C Wang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - C Q Gao
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Y J Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - G S Han
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Y C Wang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - G Q Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - L L Ding
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - B Li
- Department of General Surgery, Hainan People's Hospital, Haikou 570100, China
| | - B C Wang
- Department of General Surgery, Hainan People's Hospital, Haikou 570100, China
| | - S W Chang
- Department of General Surgery, Hainan People's Hospital, Haikou 570100, China
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18
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Liu YJ, Gao CQ, Wang GC, Wang YC, Lu XZ, Han GS. [The clinical values of neutrophil-to-lymphocyte ratio as an early predictor of anastomotic leak in postoperative rectal cancer patients]. Zhonghua Zhong Liu Za Zhi 2020; 42:70-73. [PMID: 32023773 DOI: 10.3760/cma.j.issn.0253-3766.2020.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To assess the clinical value of neutrophil-to-lymphocyte ratio (NLR) in predicting anastomotic leak of postoperative rectal cancer patients. Methods: The clinical data of 787 rectal cancer patients who underwent anterior resection from January 2014 to December 2017 in Affiliated Tumor Hospital of Zhengzhou University were collected. The postoperative numbers of white blood cell (WBS) on postoperative day (POD)1, 3 and 5 were detected, and the NLR was calculated. The relationship of NLR and the incidence of anastomotic leak was analyzed, and the area under the receiver-operating characteristic (ROC) curves was calculated. The accuracy of postoperative NLR in predicting the incidence of anastomotic leak was evaluated. Results: WBC counts of patients with leak on POD1, POD3 and POD5 were 13.2×10(9)/L, 9.1×10(9)/L and 8.9×10(9)/L, respectively, while those of patients without leak were 12.9×10(9)/L, 9.0×10(9)/L and 8.8×10(9)/L. The WBC count was not significantly different between patients with or without leak (P>0.05). The average NLR values of patients with or without leak were 13.3 and 11.6 on POD1, 10.9 and 7.6 on POD3, 9.3 and 5.3 on POD5, respectively. The NLR values of patients with leak on POD3 and POD5 were significantly higher than those of patients without leak (P<0.05). The cutoff value of NLR on POD3 was 8.6, the sensitivity and specificity of detecting the leakage was 73.2% and 75.6%, respectively, and the area under curve (AUC) was 0.744. The cutoff value of NLR on POD5 was 5.5, the sensitivity and specificity was 69.6% and 75.5%, the AUC was 0.726. The multivariate analysis result showed that NLR >8.6 was an independent factor for anastomotic leak prediction. Conclusion: Postoperative NLR on day 3 is useful in predicting anastomotic leak and can decrease the incidence of complication in rectal cancer patients who underwent anterior resection.
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Affiliation(s)
- Y J Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
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Zhang JJ, Zhao HY, Wang GC, Sun LT, Zhang XZ, Li GP, Zhao HW. Ion charge state and energy distributions of laser produced plasma from pure metals and their alloy. Rev Sci Instrum 2019; 90:123306. [PMID: 31893843 DOI: 10.1063/1.5130426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
A high intensity highly charged laser ion source has been studied at the Institute of Modern Physics for the last few years. In order to investigate the processes of plasma heating and expansion of laser produced plasma, the charge state and energy distributions of the ions from pure copper, silver, and copper-silver alloy, in which the atom number ratio between copper and silver is 2:3, were measured with a 90° cylindrical electrostatic ion analyzer. It was shown that the yields of highly charged copper ions from the pure copper target are higher compared with those of the alloy target. In contrast, higher yields of highly charged silver ions were obtained from the copper-silver alloy target. Moreover, the ion energy distributions were derived from the time-of-flight spectra for the ions with different ion charge states and compared between the pure metal and alloy targets.
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Affiliation(s)
- J J Zhang
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - H Y Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - G C Wang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - L T Sun
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - X Z Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - G P Li
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - H W Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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20
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Wang GC, Zhao HY, Jin QY, Zhang JJ, Sun LT, Zhao HW. Laser ablation plasma with solenoid field confinement. Rev Sci Instrum 2019; 90:113302. [PMID: 31779399 DOI: 10.1063/1.5128637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 10/10/2019] [Indexed: 06/10/2023]
Abstract
A Laser Ion Source (LIS) can produce high charge state and high intensity ion beams (∼emA), especially, refractory metallic ion beams, which makes it a promising candidate as an ion source for heavy ion cancer therapy facilities and future accelerator complexes, where pulsed high intensity and high charged heavy ion beams are required. However, it is difficult for the LIS to obtain a long pulse width while ensuring high current intensity, thus limiting the application of the LIS. To solve the conflict, magnetic fields are proposed to confine the expansion of the laser produced plasma. With a solenoid along the normal direction to the target surface, the lateral adiabatic expansion of the laser ablation plasma is suppressed which extends the pulse width of the ion beam effectively. The characteristics of laser ablation plasma with solenoid field confinement will be presented and discussed in this paper.
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Affiliation(s)
- G C Wang
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - H Y Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - Q Y Jin
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - J J Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - L T Sun
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
| | - H W Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, China
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Liu X, Zhang LL, Zhao W, Peng QL, Zhang L, Shu XM, Ma L, Lin B, Lu X, Wang LY, Wang GC. [Effect of cyclophosphamide on ovarian function in patients with systemic lupus erythematosus in childbearing age]. Zhonghua Yi Xue Za Zhi 2019; 99:174-177. [PMID: 30669758 DOI: 10.3760/cma.j.issn.0376-2491.2019.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Objective: Serum anti Müllerian hormone (AMH) was used to evaluate the effect of cyclophosphamide (CTX) on ovarian function in female patients with systemic lupus erythematosus (SLE). Methods: A total of 121 female patients who were 18-50 years old with normal menstruation were selected. Among them, 54 patients were treated with CTX as the study group and the remaining 67 cases as the control group. Before and after treatment for 6 months, the clinical characteristics, menstruation and AMH level of all patients were recorded and detected. At the same time, the method of using CTX and the cumulative measurement are recorded. Results: (1) Before treatment, there was no significant difference in AMH and mean age, duration of disease and SLEDAI score between the CTX treatment group and the control group. The renal injury in the CTX treatment group (44.4%) was higher than that of the control group (34.3%), and the difference was statistically significant (P<0.05). (2) After 6 months of treatment, the AMH of group CTX decreased from (2.39±1.58) μg/L to (1.56±1.42) μg/L, and the difference was statistically significant (P<0.01). But there was no significant change in the control group. In 54 cases of CTX treatment group, 23 cases (42.6%) had different degree of menstrual abnormalities, while 67 cases had only 8 cases (11.9%) in the control group. Moreover, the AMH level of 31 cases with abnormal menstruation was (0.95±0.59) μg/L, which was significantly lower than that of the other 90 normal cases (2.36±1.58) μg/L. (3) In 54 cases of CTX treatment group, the cumulative dose of CTX was less than 3 g in 14 cases, 33 cases of 3-6 g, 7 cases greater than 6 g. AMH was all were lower than those before treatment. But there was a statistical difference between the 3 g group and 3-6 g group before treatment, and there were statistical differences between the groups. Conclusion: CTX can damage ovarian function in women of childbearing age SLE. Low dose intravenous CTX may have less damage. Serum AMH can be used to monitor ovarian function in patients with SLE and to guide individualized treatment.
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Affiliation(s)
- X Liu
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - L L Zhang
- Department of Obstetrics and Gynecology, Beijing Jishuitan Hospital, Beijing 100035, China
| | - W Zhao
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing 100029, China
| | - Q L Peng
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - L Zhang
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - X M Shu
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - L Ma
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - B Lin
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - X Lu
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - L Y Wang
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - G C Wang
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
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Liu X, Li YN, Sun XL, Peng QL, Lu X, Wang GC. [Effects of integrin metalloproteinases on osteogenic differentiation]. Beijing Da Xue Xue Bao Yi Xue Ban 2018; 50:962-967. [PMID: 30562765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
OBJECTIVE To study the effects of disintegrin and metalloproteinase (ADAM) 9, 15 and 17 on the osteogenic differentiation of bone marrow mesenchymal stem cells (BMMSCs). METHODS BMMSCs of ADAM9, ADAM15, ADAM17 conditional knockout mice and wild type mice (WT) were induced and cultured. Alkaline phosphatase (ALP) activity was measured by colorimetry, early osteogenic transcription factors Runx and Osterix were detected by Real-time PCR, and mineral formation was analyzed by alizarin red staining. RESULTS ALP activity was lower in ADAM9 group (8.08±0.34), ADAM15 group (6.46±3.40), ADAM17 group (9.30±2.30) than that in WT group (9.44±2.50), but there was no significant difference (P>0.05). Stimulated with bone morphogenetic protein 2(BMP2),there was significant difference (P<0.05) between ADAM9 group (14.22±3.25), ADAM15 group (10.14±2.40) and WT group (20.89±3.40), and ADAM 17 group (23.56±2.50) was higher than WT group (20.89±3.40), but no significant difference (P>0.05). Similarly, cultured by osteogenic induction medium (OST), compared with WT group (12.97±1.30), ADAM9 group (9.63±1.00) and ADAM15 group (7.75±1.30) were lower, ADAM17 group (20.09±1.68) was higher, and the difference was statistically significant (P<0.05). Using stimulated culture by BMP2 and OST combined, ADAM9 group (15.75±1.30), ADAM 15 group (12.43±1.30) were less than WT group (26.15 ±1.50), while ADAM17 group (29.55±2.10) was higher than WT group were statistically significant (P<0.05). The expression of Runx2 in ADAM9 group (2.02±0.24), ADAM15 group (3.09±0.19), ADAM17 group (3.89±0.91) had no significant difference compared with WT (2.02±0.21) group (P>0.05). ADAM9 group stimulated by BMP2 (7.00±0.23), ADAM15 group (6.04±0.23) were lower than WT group (12.6±0.23), ADAM17 group (18.52±1.39) was higher than WT group (12.6±0.23), and the difference was statistically significant (P<0.05). In non-stimulating culture, there was no significant difference in Osterix expression between ADAM9 group (9.60±3.87), ADAM17 group (12.40±3.00) and WT group (10.9±1.10, P>0.05), but in ADAM15 group (6.50±1.51) it was slightly lower than that in WT group (P<0.05). After BMP2 stimulation, ADAM9 group (39.20±3.23) and ADAM15 group (20.50±4.80) were less than WT group (60.30±5.93), while ADAM17 group (80.20±3.30) was higher than WT group (P<0.05). Alizarin red staining showed no obvious orange-red mass in the non-induction group. Local calcified nodules could be seen in the BMP2, OST, OST + BMP2 induction culture conditions in all the experimental groups, but there was no significant difference in quantitative analysis (P>0.05). CONCLUSION ADAM9, 15, 17 took part in the osteogenic differentiation of BMMSCs, and provided new targets for its regulation.
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Affiliation(s)
- X Liu
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Y N Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
| | - X L Sun
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
| | - Q L Peng
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - X Lu
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
| | - G C Wang
- Department of Rheumatology and Immunology, China-Japan Friendship Hospital, Beijing 100029, China
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Li ZP, Wang SS, Wang GC, Huang GJ, Cao JQ, Zhang CQ. Transjugular intrahepatic portosystemic shunt for the prevention of recurrent esophageal variceal bleeding in patients with cavernous transformation of portal vein. Hepatobiliary Pancreat Dis Int 2018; 17:517-523. [PMID: 30262421 DOI: 10.1016/j.hbpd.2018.09.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 08/22/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Treatment options for patients with cavernous transformation of portal vein (CTPV) are limited. This study aimed to evaluate the feasibility, efficacy and safety of transjugular intrahepatic portosystemic shunt (TIPS) to prevent recurrent esophageal variceal bleeding in patients with CTPV. METHODS We retrospectively analyzed 67 consecutive patients undergone TIPS from January 2011 to December 2016. All patients were diagnosed with CTPV. The indication for TIPS was a previous episode of variceal bleeding. The data on recurrent bleeding, stent patency, hepatic encephalopathy and survival were retrieved and analyzed. RESULTS TIPS procedure was successfully performed in 56 out of 67 (83.6%) patients with CTPV. TIPS was performed via a transjugular approach alone (n = 15), a combined transjugular/transhepatic approach (n = 33) and a combined transjugular/transsplenic approach (n = 8). Mean portosystemic pressure gradient (PSG) decreased from 28.09 ± 7.28 mmHg to 17.53 ± 6.12 mmHg after TIPS (P < 0.01). The probability of the remaining free recurrent variceal bleeding was 87.0%. The probability of TIPS patency reached 81.5%. Hepatic encephalopathy occurrence was 27.8%, and survival rate was 88.9% until the end of follow-up. Four out of 11 patients who failed TIPS died, and 4 had recurrent bleeding. CONCLUSIONS TIPS should be considered a safe and feasible alternative therapy to prevent recurrent esophageal variceal bleeding in patients with CTPV, and to achieve clinical improvement.
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Affiliation(s)
- Zhao-Peng Li
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China; Department of Interventional Radiology, Jining No.1 People(')s Hospital, Jining 272011, China
| | - Sui-Sui Wang
- Department of Pediatrics, The Affiliated Hospital of Jining Medical College, Jining 272000, China
| | - Guang-Chuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Guang-Jun Huang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Jing-Qin Cao
- Department of Interventional Radiology, Jining No.1 People(')s Hospital, Jining 272011, China
| | - Chun-Qing Zhang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China.
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Liu YJ, Wang GC, Wan XB, Cheng Y, Wang YC, Liu XY, Han GS. [Surgical resection for gastric cancer patients with liver metastasis]. Zhonghua Zhong Liu Za Zhi 2018; 39:532-535. [PMID: 28728301 DOI: 10.3760/cma.j.issn.0253-3766.2017.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the surgical results and clinicopathological features of gastric cancer patients with liver metastases. Methods: The clinicopathological data and post-operative survival of 37 patients who underwent resection of liver metastasis from gastric cancer at our department from Dec. 2007 to Dec. 2014 were analyzed. Results: The 1-, 3-, and 5-year overall survival rates after resection were 91.4%, 57.9%, and 22.0%, respectively, with a median survival of 37 months. Univariate analysis revealed that lymph node metastasis, multiple hepatic metastases and no preoperative chemotherapy are unfavorable prognostic factors for overall survival. Multivariate analysis identified that lymph node metastasis and number of liver metastasis are independent prognostic factors. Conclusions: Gastric cancer patients with a solitary liver metastasis may be good candidates for gastric D2 resection combined with liver R0 resection.
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Affiliation(s)
- Y J Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - G C Wang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - X B Wan
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - Y Cheng
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - Y C Wang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - X Y Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
| | - G S Han
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China
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Song RX, Cai SF, Ma S, Liu ZL, Gai YH, Zhang CQ, Wang GC. Magnetic Resonance Venography Findings of Obstructed Hepatic Veins and the Inferior Vena Cava in Patients with Budd-Chiari Syndrome. Korean J Radiol 2018; 19:381-388. [PMID: 29713215 PMCID: PMC5904464 DOI: 10.3348/kjr.2018.19.3.381] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 10/02/2017] [Indexed: 12/29/2022] Open
Abstract
Objective This study aimed to illustrate the magnetic resonance venography (MRV) manifestations of obstructed hepatic veins (HVs), the inferior vena cava (IVC), and accessory hepatic veins (AHVs) in patients with Budd-Chiari syndrome (BCS) and to evaluate the visualization capacity of MRV in the diagnosis of BCS. Materials and Methods Fifty-two patients with chronic BCS were included in this study. All patients were examined via MRV performed with a 3T system following injections of gadolinium-diethylene triamine pentaacetic acid (Gd-DTPA) or Gd-ethoxibenzyl-DTPA. HV and IVC lesions were classified, and their characteristics were described. HV cord-like occlusions detected via MRV were compared using ultrasonography (US). Digital subtraction angiography (DSA) was performed as a contrast in the MRV detection of IVC lesions. The HVs draining collaterals, mainly AHVs, were carefully observed. HV lesions were classified as segmental stenosis, segmental occlusion, membranous stenosis, membranous occlusion, cord-like occlusion, or non-visualized. Except for patent IVCs, IVC lesions were classified as segmental occlusion, segmental stenosis, membranous occlusion, membranous stenosis, and hepatomegaly-induced stenosis. Results All patients (52/52, 100%) showed HV lesions of different degrees. MRV was inferior to US in detecting cord-like occlusions (6 vs. 19, χ2 = 11.077, p < 0.001). Dilated AHVs, including 50 (50/52, 96.2%) caudate lobe veins and 37 (37/52, 71.2%) inferior HV and AHV lesions, were well-detected. There were no significant differences in detecting segmental lesions and thrombosis between MRV and DSA (χ2 = 0.000, p1 = 1.000, p2 = 1.000). The capacity of MRV to detect membranous lesions was inferior to that of DSA (7 vs. 15, χ2 = 6.125, p = 0.013). Conclusion In patients with BCS, MRV can clearly display the lesions in HVs and the IVC, as well as in AHVs, and it has diagnostic and therapeutic value.
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Affiliation(s)
- Ru-Xin Song
- Department of Ultrasound, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
| | - Shi-Feng Cai
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
| | - Shuang Ma
- Department of Ultrasound, Fifth Hospital of Jinan, Ji'nan 250000, China
| | - Zhi-Ling Liu
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
| | - Yong-Hao Gai
- Department of Ultrasound, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
| | - Chun-Qing Zhang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
| | - Guang-Chuan Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong University, Ji'nan 250021, China
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Zhang MY, Wang GC, Huang GJ, Feng H, Wang LF, Zhang JY, Shi YJ, Zhang CQ. [Analysis of 833 times measured hepatic venous pressure gradient]. Zhonghua Gan Zang Bing Za Zhi 2018; 26:266-270. [PMID: 29996337 DOI: 10.3760/cma.j.issn.1007-3418.2018.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Objective: To summarize and analyze the clinical data of hepatic venous pressure gradient (HVPG) and to explore the application value of HVPG in the diagnosis, evaluation and clinical treatment of portal hypertension in cirrhosis. Methods: The patient data of HVPG measurement performed in Shandong Provincial Hospital from April 2010 to November 2017 were collected. Results: A total of 633 patients with 833 times of HVPG measurements were included. There was significant difference in HVPG between patients with different etiologies, different Child-pugh grades and different degrees of decompensated cirrhosis. Conclusion: The HVPG test is suitable for the diagnosis and evaluation of portal hypertension. The HVPG of patients with different severity of liver cirrhosis can guide the choice of the treatment plan, and the HVPG measurement should also be strictly standardized and quality control.
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Affiliation(s)
- M Y Zhang
- Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250000, China
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Cao Y, Wang GC, Liu HD, Sun CF. Implementation of a Toffoli gate using an array of coupled cavities in a single step. Sci Rep 2018; 8:5813. [PMID: 29643455 PMCID: PMC5895594 DOI: 10.1038/s41598-018-24214-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 03/15/2018] [Indexed: 11/09/2022] Open
Abstract
The Toffoli gate (controlled-controlled-NOT gate) is one typical three-qubit gate, it plus a Hadamard gate form a universal set of gates in quantum computation. We present an efficient method to implement the Toffoli gate using an array of coupled cavities with one three-level atom in each cavity. The large detuning between atoms and classical (quantum) fields plays an important role and the gate is implemented in one-step. The quantum information is encoded into the low-lying states of identical atoms and it is convenient to address qubit individually. Based on the Markovian master equation, it is shown that the scheme to implement the Toffoli gate is robust against the decoherence.
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Affiliation(s)
- Y Cao
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun, 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - G C Wang
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun, 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - H D Liu
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun, 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - C F Sun
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun, 130024, China. .,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, 130024, China.
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Huang TR, Wang GC, Zhang HM, Peng B. Differential research of inflammatory and related mediators in BPH, histological prostatitis and PCa. Andrologia 2018; 50:e12974. [PMID: 29441606 DOI: 10.1111/and.12974] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2017] [Indexed: 11/27/2022] Open
Abstract
Prostate cancer (PCa) is one of the most common male malignancies in the world. It was aimed to investigate differential expression of inflammatory and related factors in benign prostatic hyperplasia (BPH), prostate cancer (PCa), histological prostatitis (HP) and explore the role of Inducible nitric oxide synthase (iNOS), (VEGF) Vascular endothelial growth factor, androgen receptor (AR) and IL-2, IL-8 and TNF-α in the occurrence and development of prostate cancer. RT-PCR was used to detect the mRNA expression level of iNOS, VEGF, AR and IL-2, IL-8 and TNF-α in BPH, PCa and BPH+HP. Western blotting and immunohistochemical staining were used to detect the protein levels of various proteins in three diseases. The results showed the mRNA and protein levels of iNOS, VEGF and IL-2, IL-8 and TNF-α were significantly increased in PCa and BPH+HP groups compared with BPH group (p < .05), while the AR was significantly lower than those in PCa and BPH+HP groups (p < .05). There was no significant difference in the mRNA and protein levels of iNOS, VEGF, AR and IL-2, IL-8 and TNF-α between PCa and BPH+HP groups (p > .05). iNOS, VEGF, AR and IL-2, IL-8 and TNF-α are involved in the malignant transformation of prostate tissue and play an important role in the development and progression of Prostate cancer (PCa).
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Affiliation(s)
- T R Huang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - G C Wang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - H M Zhang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - B Peng
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
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Lin JM, Zhang YB, Peng QL, Yang HB, Shi JL, Gu ML, Zhao WM, Wang GC. Genetic association of HLA-DRB1 multiple polymorphisms with dermatomyositis in Chinese population. HLA 2017; 90:354-359. [PMID: 29106035 DOI: 10.1111/tan.13171] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 10/30/2017] [Accepted: 10/31/2017] [Indexed: 02/06/2023]
Affiliation(s)
- JM Lin
- Department of Immunology, School of Basic Medical Sciences; Capital Medical University; Beijing China
- Department of Laboratory Medicine; The Affiliated Southeast Hospital of Xiamen University; Zhangzhou China
| | - YB Zhang
- CAS Key Laboratory of Genome Sciences and Information; Beijing Institute of Genomics, Chinese Academy of Sciences; Beijing China
| | - QL Peng
- Peking University China-Japan Friendship School of Clinical Medicine; Department of Rheumatology, China-Japan Friendship Hospital; Beijing China
| | - HB Yang
- Peking University China-Japan Friendship School of Clinical Medicine; Department of Rheumatology, China-Japan Friendship Hospital; Beijing China
| | - JL Shi
- Peking University China-Japan Friendship School of Clinical Medicine; Department of Rheumatology, China-Japan Friendship Hospital; Beijing China
| | - ML Gu
- CAS Key Laboratory of Genome Sciences and Information; Beijing Institute of Genomics, Chinese Academy of Sciences; Beijing China
- Joint Laboratory for Translational Medicine Research; Beijing Institute of Genomics, Chinese Academy of Sciences & Liaocheng People's Hospital; Liaocheng China
| | - WM Zhao
- Department of Immunology, School of Basic Medical Sciences; Capital Medical University; Beijing China
| | - GC Wang
- Peking University China-Japan Friendship School of Clinical Medicine; Department of Rheumatology, China-Japan Friendship Hospital; Beijing China
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Wang GC, Liu YJ, Cheng Y, Wang YC, Liu XY, Han GS. [Prevention of high-risk complications for high esophagojejunal anastomosis leakage after total gastrectomy]. Zhonghua Zhong Liu Za Zhi 2017; 39:792-794. [PMID: 29061026 DOI: 10.3760/cma.j.issn.0253-3766.2017.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- G C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
| | - Y J Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
| | - Y Cheng
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
| | - Y C Wang
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
| | - X Y Liu
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
| | - G S Han
- Department of General Surgery, Affiliated Cancer Hospital of Zhengzhou University (Henan Cancer Hospital), Zhengzhou 450008, China
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Wang GC, Xu FR, Li JB, Liu W, Bian L, Zhang SH, Wang T, Song ST, Jiang ZF. [A study on the correlation between Neo-Bioscoresystem and disease-free survival of breast cancer patients with neoadjuvant chemotherapy]. Zhonghua Yi Xue Za Zhi 2017; 97:2349-2352. [PMID: 28822452 DOI: 10.3760/cma.j.issn.0376-2491.2017.30.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Obiective: To explorethe correlation between Neo-Bioscore and disease-free survival (DFS) after neoadjuvant therapy in patients with breast cancer in China. Methods: The clinical and pathological data of 429 patients with early or locally advanced breast cancer who received neoadjuvant therapy at the No.307 Hospital of PLA from January 1, 2005 to December 31, 2015 were analyzed and we followed up their DFS. Results: Neo-Bioscore were closely related to DFS (χ(2)=47.662, P<0.001). When the groups were divided by Neo-Bioscore 3, they weremore relevantto DFS (HR=5.093 vs HR=2.044), equivalent tothe role of traditional recurrence risk grouping in guiding the choice of adjuvantendocrine regimen for hormone receptor (HR) positive patients who were premenopausalafter neoadjuvant chemotherapy, andmore relevantto DFS than whetherthe pathologic complete response (pCR)grouping in the same molecular pathology subgroup of HR positive/human epidermal growth factor receptor 2 (HER-2)negative (P<0.001 vs P=0.166), HER-2 positive (P<0.001 vs P=0.166), HRnegative/HER-2 negative (P<0.001 vs P=0.166). Conclusions: Neo-Bioscore could be used as an early indicator of predicting DFS for breast cancer patients after neoadjuvant therapy.When the groups were divided by Neo-Bioscore 3, they were more relevant to DFS, equivalent to the role of traditional recurrence risk grouping in guiding the choice of adjuvantendocrine regimen for premenopausal HR positive patients, andmore relevantto DFS than whetherthe pCRgrouping in the same molecular pathology subgroup.
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Affiliation(s)
- G C Wang
- Department of Breast Cancer, No.307 Hospital of PLA, Beijing 100071, China
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Wang DM, Wang GC, Yang J, Plotnikoff NP, Griffin N, Han YM, Qi RQ, Gao XH, Shan FP. Inhibition of the growth of human melanoma cells by methionine enkephalin. Mol Med Rep 2016; 14:5521-5527. [PMID: 27878237 PMCID: PMC5355750 DOI: 10.3892/mmr.2016.5941] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 08/30/2016] [Indexed: 01/01/2023] Open
Abstract
Melanoma is an aggressive cancer, the incidence of which is increasing worldwide. Limited therapies are currently available, particularly following metastasis. The aim of the present study was to investigate the inhibiting effect of methionine enkephalin (MENK) on human melanoma via opioid receptors. The results of the present study revealed that MENK markedly regulates the proliferation of A375 cells, causing cell cycle arrest in G0/G1 phase and a decrease in the percentage of cells in S and G2/M phases. Reverse transcription-quantitative polymerase chain reaction demonstrated that MENK treatment increased opioid receptor expression in A375 cells. Furthermore, the expression level of survivin, an inhibitory apoptotic protein, was 1.1% of the level in the control group in the MENK group following 48 h of treatment. In conclusion, the results of the present study revealed, to the best of our knowledge for the first time, that MENK may inhibit growth and induce apoptosis of A375 cells, and describes a potential mechanism underlying these effects. Therefore, MENK should be investigated as a primary therapy for human melanoma cancer and as an adjuvant to other chemotherapies. Further studies are required to develop an optimal strategy for the use of MENK for the treatment of human cancers.
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Affiliation(s)
- Dong-Mei Wang
- Department of Immunology, School of Basic Medical Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Guang-Chuan Wang
- Department of Immunology, School of Basic Medical Science, Liaoning Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Jing Yang
- Department of Pathology, School of Basic Medical Science, Liaoning Medical University, Jinzhou, Liaoning 121000, P.R. China
| | | | | | - Yu-Man Han
- Department of Immunology, School of Basic Medical Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Rui-Qun Qi
- Department of Dermatology, No. 1 Hospital, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xing-Hua Gao
- Department of Dermatology, No. 1 Hospital, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Feng-Ping Shan
- Department of Immunology, School of Basic Medical Science, China Medical University, Shenyang, Liaoning 110122, P.R. China
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Ben SB, Peng B, Wang GC, Li C, Gu HF, Jiang H, Meng XL, Lee BJ, Chen CL. Overexpression of Selenoprotein SelK in BGC-823 Cells Inhibits Cell Adhesion and Migration. Biochemistry (Mosc) 2016; 80:1344-53. [PMID: 26567579 DOI: 10.1134/s0006297915100168] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Effects of human selenoprotein SelK on the adhesion and migration ability of human gastric cancer BGC-823 cells using Matrigel adhesion and transwell migration assays, respectively, were investigated in this study. The Matrigel adhesion ability of BGC-823 cells that overexpressed SelK declined extremely significantly (p < 0.01) compared with that of the cells not expressing the protein. The migration ability of BGC-823 cells that overexpressed SelK also declined extremely significantly (p < 0.01). On the other hand, the Matrigel adhesion ability and migration ability of the cells that overexpressed C-terminally truncated SelK did not decline significantly. The Matrigel adhesion ability and migration ability of human embryonic kidney HEK-293 cells that overexpressed SelK did not show significant change (p > 0.05) with the cells that overexpressed the C-terminally truncated protein. In addition to the effect on Matrigel adhesion and migration, the overexpression of SelK also caused a loss in cell viability (as measured by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H tetrazolium bromide (MTT) colorimetric assay) and induced apoptosis as shown by confocal microscopy and flow cytometry. The cytosolic free Ca2+ level of these cells was significantly increased as detected by flow cytometry. But the overexpression of SelK in HEK-293 cells caused neither significant loss in cell viability nor apoptosis induction. Only the elevation of cytosolic free Ca2+ level in these cells was significant. Taken together, the results suggest that the overexpression of SelK can inhibit human cancer cell Matrigel adhesion and migration and cause both the loss in cell viability and induction of apoptosis. The release of intracellular Ca2+ from the endoplasmic reticulum might be a mechanism whereby the protein exerted its impact. Furthermore, only the full-length protein, but not C-terminally truncated form, was capable of producing such impact. The embryonic cells were not influenced by the elevation of free Ca2+ level in cytosol, probably due to their much greater tolerance to the variation.
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Affiliation(s)
- S B Ben
- School of Life Science, Liaoning University, Shenyang, 110036, China.
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Li X, Zhang XT, Zhang MY, Wang GC, Feng H, Zhang CQ. [Effects of desmopressin acetate and pituitrin on proliferation, contraction, and secretion of hepatic stellate cells]. Zhonghua Gan Zang Bing Za Zhi 2016; 24:569-574. [PMID: 27788702 DOI: 10.3760/cma.j.issn.1007-3418.2016.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effects of desmopressin acetate and pituitrin on the proliferation, contraction, and secretion of hepatic stellate cells (HSCs). Methods: The human HSC cell line LX-2 was selected as the research model. And three groups were designed: blank control group, desmopressin acetate group (three subgroups: 1×10-10mol/L, 1×10-9mol/L, and 1×10-8mol/L desmopressin acetate), and pituitrin group (three subgroups: 0.1 U/L, 1.0 U/L, and 10.0 U/L pituitrin). Water-soluble tetrazolium salt (WST)-1 assay was used to evaluate cell proliferation; collagen gel contraction assay was used to assess cell contraction; enzyme-linked immunosorbent assay (ELISA) was used to identify cell secretion. The data was subjected to one-way analysis of variance. Results: (1) The results of WST-1 assay showed that the values of A450in three desmopressin acetate subgroups (1×10-10mol/L, 1×10-9mol/L, and 1×10-8mol/L) were 0.459±0.017, 0.467±0.024, and 0.436±0.015, respectively. And the values of A450 in three pituitrin subgroups (0.1 U/L, 1.0 U/L, and 10.0 U/L) were 0.495±0.011, 0.507±0.015, and 0.501±0.009, respectively. Compared with the control group, the desmopressin acetate at high concentration significantly inhibited the cell proliferation (P< 0.05), but the pituitrin at three different concentrations significantly promoted the cell proliferation (P< 0.05). (2) The collagen gel area ratios in three desmopressin acetate subgroups (1×10-10mol/L, 1×10-9mol/L, and 1×10-8mol/L) were 77.07±4.42, 75.85±3.70, and 72.74±3.92, respectively. And the collagen gel area ratios in three pituitrin subgroups (0.1 U/L, 1.0 U/L, and 10.0 U/L) were 57.83±3.96, 50.28±6.69, and 43.56±7.68, respectively. Compared with the control group, the pituitrin at three different concentrations significantly reduced the collagen gel area (P< 0.01). (3) The matrix metalloproteinase(MMP)-2 concentrations in three desmopressin acetate subgroups (1×10-10mol/L, 1×10-9mol/L, and 1×10-8mol/L) were 13.321±0.098, 12.230±0.153, and 12.061±0.126, respectively. And the MMP-2 concentrations in three pituitrin subgroups (0.1 U/L, 1.0 U/L, and 10.0 U/L) were 12.899±0.150, 13.662±0.152, and 13.698±0.119, respectively. Compared with the control group, the desmopressin acetate at low concentration significantly increased the secretion of MMP-2 (P< 0.01); the desmopressin acetate at high concentration significantly decreased the MMP-2 concentration (P< 0.05); the pituitrin at three different concentrations significantly increased the MMP-2 concentration (P< 0.01). The transforming growth factor-beta 1 (TGF-β1) concentrations in three desmopressin acetate subgroups (1×10-10mol/L, 1×10-9mol/L, and 1×10-8mol/L) were 5.233±0.102, 17.749±0.188, and 36.060±0.227, respectively. And the TGF-β1 concentrations in three pituitrin subgroups (0.1 U/L, 1.0 U/L, and 10.0 U/L) were 15.615±0.099, 38.460±0.209, and 49.053±0.115, respectively. Compared with the control group, desmopressin acetate and pituitrin significantly promoted the secretion of TGF-β1 in a concentration-dependent manner (P< 0.01) and pituitrin had a stronger effect than desmopressin acetate (P< 0.01). Desmopressin acetate and pituitrin had no effect on the secretion of the collagenase type I and III (P> 0.05). Conclusion: Desmopressin acetate and pituitrin can induce the changes in the function and morphology of HSCs and may increase vascular resistance in the hepatic sinus. However, desmopressin acetate has less influence on HSCs than pituitrin.
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Affiliation(s)
- X Li
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China; Shandong Provincial Engineering and Technological Research Center for Liver Diseases Prevention and Control, Jinan 250021, China
| | - X T Zhang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - M Y Zhang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - G C Wang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - H Feng
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - C Q Zhang
- Shandong Provincial Engineering and Technological Research Center for Liver Diseases Prevention and Control, Jinan 250021, China; Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
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Li HL, Wang GC, Zhu J. [Determination of HVA and VMA in urine using high performance liquid chromatography-tandem mass spectrometry]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2016; 34:461-465. [PMID: 27514561 DOI: 10.3760/cma.j.issn.1001-9391.2016.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To establish a method for the determination of homovanillic acid (HVA) and vanil mandelic acid (VMA) in urine, using high performance liquid chromatography-tandem mass spectrometry (HPLC/MS/MS) detection. METHODS A 200 μl volume of urine sample added with 20 μl chlorzoxazone internal standard was mixed in a centrifuge tube, then added 100μL methanol (containing 1% acetic acid) , vortex mixed and centrifuged at 13 000 rpm for 1 min. A 10 μl volume of the above supernatant solution was injected into HPLC/MS/MS system for quantitative analysis. RESULTS With internal standard method, the calibration curves of HVA and VMA were linear in the range of 20~10 000 ng/ml and 20~7 500 ng/ml, with correlation coefficient of 0.995 6 and 0.997 0, respectively. The LOQ of HVA and VMA was 4.69 ng/ml and 2.33 ng/ml, respectively. The method recoveries were in the range of 85.72%~117.95% for HVA, and 95.82%~113.78% for VMA. CONCLUSION This method is simple, rapid and characterized with acceptable sensitivity and accuracy to meet the requirements for the analysis of homovanillic acid and vanilla mandelic acid.
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Affiliation(s)
- H L Li
- Department of Occupational Disease and Toxication, Chaoyang Hospital Affiliated to the Capital University of Medical Science, Beijing 100020, China
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Shen HZ, Shao XQ, Wang GC, Zhao XL, Yi XX. Quantum phase transition in a coupled two-level system embedded in anisotropic three-dimensional photonic crystals. Phys Rev E 2016; 93:012107. [PMID: 26871024 DOI: 10.1103/physreve.93.012107] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Indexed: 11/07/2022]
Abstract
The quantum phase transition (QPT) describes a sudden qualitative change of the macroscopic properties mapped from the eigenspectrum of a quantum many-body system. It has been studied intensively in quantum systems with the spin-boson model, but it has barely been explored for systems in coupled spin-boson models. In this paper, we study the QPT with coupled spin-boson models consisting of coupled two-level atoms embedded in three-dimensional anisotropic photonic crystals. The dynamics of the system is derived exactly by means of the Laplace transform method, which has been proven to be equivalent to the dissipationless non-Markovian dynamics. Drawing on methods for analyzing the ground state, we obtain the phase diagrams through two exact critical equations and two QPTs are found: one QPT is that from the phase without one bound state to the phase with one bound state and another is that from one phase with the bound state having one eigenvalue to another phase where the bound state has two eigenvalues. Our analytical results also suggest a way of control to overcome the effect of decoherence by engineering the spectrum of the reservoirs to approach the non-Markovian regime and to form the bound state of the whole system for quantum devices and quantum statistics.
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Affiliation(s)
- H Z Shen
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China.,School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China
| | - X Q Shao
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - G C Wang
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - X L Zhao
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130024, China.,School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China
| | - X X Yi
- Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130024, China.,Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
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Zhao HY, Zhang JJ, Jin QY, Liu W, Wang GC, Sun LT, Zhang XZ, Zhao HW. New development of laser ion source for highly charged ion beam production at Institute of Modern Physics (invited). Rev Sci Instrum 2016; 87:02A917. [PMID: 26931978 DOI: 10.1063/1.4937115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A laser ion source based on Nd:YAG laser has been being studied at the Institute of Modern Physics for the production of high intensity high charge state heavy ion beams in the past ten years, for possible applications both in a future accelerator complex and in heavy ion cancer therapy facilities. Based on the previous results for the production of multiple-charged ions from a wide range of heavy elements with a 3 J/8 ns Nd:YAG laser [Zhao et al., Rev. Sci. Instrum. 85, 02B910 (2014)], higher laser energy and intensity in the focal spot are necessary for the production of highly charged ions from the elements heavier than aluminum. Therefore, the laser ion source was upgraded with a new Nd:YAG laser, the maximum energy of which is 8 J and the pulse duration can be adjusted from 8 to 18 ns. Since then, the charge state distributions of ions from various elements generated by the 8 J Nd:YAG laser were investigated for different experimental conditions, such as laser energy, pulse duration, power density in the focal spot, and incidence angle. It was shown that the incidence angle is one of the most important parameters for the production of highly charged ions. The capability of producing highly charged ions from the elements lighter than silver was demonstrated with the incidence angle of 10° and laser power density of 8 × 10(13) W cm(-2) in the focal spot, which makes a laser ion source complementary to the superconducting electron cyclotron resonance ion source for the future accelerator complex especially in terms of the ion beam production from some refractory elements. Nevertheless, great efforts with regard to the extraction of intense ion beams, modification of the ion beam pulse duration, and reliability of the ion source still need to be made for practical applications.
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Affiliation(s)
- H Y Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J J Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Q Y Jin
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - W Liu
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - G C Wang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - L T Sun
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - X Z Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H W Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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Li J, Wang GC, Hu JH, Cui Y, Zhang CQ. Comparison of percutaneous transhepatic variceal embolization and endoscopic cyanoacrylate injection for gastric variceal rebleeding and identification of risk factors for rebleeding and mortality in gastric varices. Shijie Huaren Xiaohua Zazhi 2016; 24:408-414. [DOI: 10.11569/wcjd.v24.i3.408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To compare the safety and long-term efficacy of percutaneous transhepatic variceal embolization (PTVE) with 2-octyl-cyanoacrylate (2-OCA) and endoscopic gastric variceal obturation (GVO) with an injection of 2-OCA for gastric variceal rebleeding, and to identify risk factors for rebleeding and mortality in gastric varices.
METHODS: One hundred and eighteen patients with cirrhosis and gastric variceal bleeding were recruited. All patients underwent either endoscopic 2-OCA (GVO) or PTVE using 2-OCA. Rebleeding rate, survival rate and complications were compared between the two groups (PTVE and GVO). COX regression analysis was used to detect possible independent predictors of variceal rebleeding and death.
RESULTS: Of 51 patients who received PTVE, during the mean follow-up duration of 25.86 mo ± 17.67 mo, rebleeding occurred in 8 (15.7%) patients, and 6 (11.8%) patients died. Of 67 patients who received GVO, during the mean follow-up period of 19.85 months ± 13.12 months, rebleeding occurred in 25 (37.3%) patients, and 9 (13.4%) patients died. The rebleeding rates of the two groups had a significant difference (χ2 = 6.723, P = 0.013). The cumulative rebleeding-free rates at 1, 2 and 3 years were 91%, 81.3% and 76.7%, respectively, in the PTVE group, and 68.6%, 49.5% and 42.4%, respectively, in the GVO group (P = 0.004). The survival rates of the two groups had no significant difference (χ2 = 0.073, P = 0.788). The cumulative survival rates at 1, 2 and 3 years were 93.4%, 89.6%, and 73.6%, respectively, in the PTVE group, and 91.3%, 84.9% and 68.9%, respectively, in the GVO group. The survival rates were not significantly different between the two groups (P = 0.46). Cox analysis revealed that choice of treatment (P = 0.006), Child-Pugh classification (P = 0.022), HVPG > 16 mmHg (P = 0.039), partial splenic embolization or splenectomy (P = 0.000), and red color sign (P = 0.003) were independent factors for predicting rebleeding. Child-Pugh classification was the most significant prognostic factor for survival (P = 0.001). The incidence of complications was similar between the two groups (χ2 = 0.249, P = 0.705).
CONCLUSION: In the long run, PTVE with 2-OCA is superior to endoscopic 2-OCA injection for preventing gastric variceal rebleeding, and PTVE with 2-OCA is considered a safe and effective method for the treatment of gastric varices.
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Huang A, Liu L, Zhao P, Yang C, Wang GC. Metabolic flux ratio analysis and cell staining suggest the existence of C4 photosynthesis in Phaeodactylum tricornutum. J Appl Microbiol 2015; 120:705-13. [PMID: 26661799 DOI: 10.1111/jam.13020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 08/15/2015] [Accepted: 09/21/2015] [Indexed: 12/20/2022]
Abstract
AIMS Mechanisms for carbon fixation via photosynthesis in the diatom Phaeodactylum tricornutum Bohlin were studied recently but there remains a long-standing debate concerning the occurrence of C4 photosynthesis in this species. A thorough investigation of carbon metabolism and the evidence for C4 photosynthesis based on organelle partitioning was needed. METHODS AND RESULTS In this study, we identified the flux ratios between C3 and C4 compounds in P. tricornutum using (13)C-labelling metabolic flux ratio analysis, and stained cells with various cell-permeant fluorescent probes to investigate the likely organelle partitioning required for single-cell C4 photosynthesis. Metabolic flux ratio analysis indicated the C3/C4 exchange ratios were high. Cell staining indicated organelle partitioning required for single-cell C4 photosynthesis might exist in P. tricornutum. CONCLUSION The results of (13)C-labelling metabolic flux ratio analysis and cell staining suggest single-cell C4 photosynthesis exists in P. tricornutum. SIGNIFICANCE AND IMPACT OF THE STUDY This study provides insights into photosynthesis patterns of P. tricornutum and the evidence for C4 photosynthesis based on (13)C-labelling metabolic flux ratio analysis and organelle partitioning.
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Affiliation(s)
- A Huang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Science, Qingdao, Shandong, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - L Liu
- Institute of Plant Physiology and Ecology, Shanghai Institute for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - P Zhao
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Science, Qingdao, Shandong, China
| | - C Yang
- Institute of Plant Physiology and Ecology, Shanghai Institute for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - G C Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Science, Qingdao, Shandong, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Shen HZ, Zhou YH, Liu HD, Wang GC, Yi XX. Exact optimal control of photon blockade with weakly nonlinear coupled cavities. Opt Express 2015; 23:32835-32858. [PMID: 26699072 DOI: 10.1364/oe.23.032835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We propose a scheme of photon blockade in a system comprising of coupled cavities embedded in Kerr nonlinear material, where two cavities are driven and dissipated. We analytically derive the exact optimal conditions for strong photon antibunching, which are in good agreement with those obtained by numerical simulations. We find that conventional and unconventional photon blockades have controllable flexibilities by tuning the strength ratio and relative phase between two complex driving fields. Such unconventional photon-blockade effects are ascribed to the quantum interference effect to avoid two-photon excitation of the coupled cavities. We also discuss the statistical properties of the photons under given optimal conditions. Our results provide a promising platform for the coherent manipulation of photon blockade, which has potential applications for quantum information processing and quantum optical devices.
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Li GQ, Yang B, Liu J, Wang GC, Yuan HP, Zhao JR, Liu JY, Li XP, Zhang CQ. Hepatic venous pressure gradient is a useful predictor in guiding treatment on prevention of variceal rebleeding in cirrhosis. Int J Clin Exp Med 2015; 8:19709-19716. [PMID: 26770635 PMCID: PMC4694535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 10/10/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND The best therapy to prevent esophageal variceal (EV) rebleeding in cirrhotic patients who are non-responsive to pharmacological therapy have not been determined. AIMS To evaluate efficacy of a strategy to assign different treatments according to hepatic vein pressure gradient (HVPG) values to prevent EV rebleeding in non-responders. METHODS This study is a non-randomized controlled prospective study. 109 cirrhotic patients with EV bleeding who were non-responders based on two HVPG measurements were enrolled and divided two groups: 55 patients (EVL+β-blocker group) were treated with endoscopic variceal ligation (EVL) and nonselective β-blocker; 54 patients (HVPG-guided group) were treated with EVL and nonselective β-blocker if HVPG ≤ 16 mmHg (low-HVPG), with percutaneous transhepatic variceal embolization (PTVE) if HVPG > 16 mmHg and ≤ 20 mmHg (medium-HVPG), or with transjugular intrahepatic portosystemic shunt (TIPS) if HVPG > 20 mmHg (high-HVPG). Patients were followed up for rebleeding and mortality. RESULTS The mean follow-up period was 17.0 months; rebleeding was higher in the EVL+β-blocker group than HVPG-guided group (25.5%, 9.3%, P = 0.026); 3-year probability of rebleeding in the EVL+Beta-blocker group increased with elevated levels of HVPG (12.5% vs 46.4% vs 64.9%, χ(2) = 11.551, P = 0.003), and 3-year probability of survival was no difference (96.6% vs 85.7% vs 90.9%, χ(2) = 2.638, P = 0.267). Rebleeding rate in PTVE group (7.7%) was lower than that in EVL+β-blockergroup with medium-HVPG (35.7%), but there was no difference. Rebleeding rate in TIPS group (7.7%) was lower than that in EVL+β-blockergroup with high-HVPG (45.5%), but there was no difference. CONCLUSIONS HVPG measurement was useful for making decisions to select EVL and Beta-blocker, PTVE or TIPS in secondary prophylaxis. HVPG-guided treatment is feasible and effective in preventing esophageal varices rebleeding.
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Affiliation(s)
- Gai-Qin Li
- Department of Gastroenterology, Tai’an Central HospitalPeople’s Republic of China
| | - Bo Yang
- Department of Axial and Joints, Tai’an Central HospitalPeople’s Republic of China
| | - Jun Liu
- Department of Ultrasonic Imaging, Tai’an Central HospitalPeople’s Republic of China
| | - Guang-Chuan Wang
- Department of Gastroenterology and Hepatology, Shandong Provincial Hospital Affilliated to Shandong UnivercityJinan, People’s Republic of China
| | - Hai-Peng Yuan
- Department of Gastroenterology, Tai’an Central HospitalPeople’s Republic of China
| | - Jing-Run Zhao
- Department of Gastroenterology, Liaocheng People’s HospitalPeople’s Republic of China
| | - Ji-Yong Liu
- Department of Gastroenterology and Hepatology, Shandong Provincial Hospital Affilliated to Shandong UnivercityJinan, People’s Republic of China
| | - Xiao-Pei Li
- Department of Gastroenterology, Tai’an Central HospitalPeople’s Republic of China
| | - Chun-Qing Zhang
- Department of Gastroenterology and Hepatology, Shandong Provincial Hospital Affilliated to Shandong UnivercityJinan, People’s Republic of China
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Cai SF, Gai YH, Ma S, Liang B, Wang GC, Liu QW. Ultrasonographic Visualization of Accessory Hepatic Veins and Their Lesions in Budd-Chiari Syndrome. Ultrasound Med Biol 2015; 41:2091-2098. [PMID: 25952161 DOI: 10.1016/j.ultrasmedbio.2015.03.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 02/13/2015] [Accepted: 03/19/2015] [Indexed: 06/04/2023]
Abstract
The aim of this study was to investigate the ultrasonographic features of accessory hepatic veins (AHVs) and their lesions in Budd-Chiari syndrome (BCS). Three hundred patients with BCS were examined by ultrasonography with multifrequency (3-6 MHz) convex transducers. Sonography was performed 1 to 2 wk before digital subtraction angiography and computed tomography angiography or magnetic resonance imaging. Using sonograms, we evaluated the number, course, diameter, orifice, lesions and hemodynamics of patent and obstructed AHVs. Ultrasonography was superior to digital subtraction angiography, computed tomography angiography and magnetic resonance imaging in revealing AHV lesions and hemodynamics. Dilated AHVs were detected in 227 patients. There were 239 caudate lobe veins in 167 patients and 168 inferior right hepatic veins in 151 patients. Both caudate lobe veins and inferior right hepatic veins were found in 91 of the 227 patients. The inlets to AHVs were located mainly on the right lateral or right anterior wall of the inferior vena cava, and the remnant, on the left lateral wall. AHV lesions comprised mainly septal obstruction and segmental stenosis. The hemodynamics of AHVs varied with the condition of inferior vena cava and AHVs. Ultrasonic examination can reveal AHVs and their lesions in patients with BCS and is helpful in choosing and planning therapeutic approaches.
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Affiliation(s)
- Shi-Feng Cai
- Department of Radiology, Provincial Hospital Affiliated to Shandong University, Jinan City, Shandong Province, China
| | - Yong-Hao Gai
- Department of Ultrasound, Provincial Hospital Affiliated to Shandong University, Jinan City, Shandong Province, China
| | - Shuang Ma
- Department of Ultrasound, Fifth Hospital of Jinan, Jinan City, Shandong Province, China
| | - Bo Liang
- Department of Ultrasound, Provincial Hospital Affiliated to Shandong University, Jinan City, Shandong Province, China
| | - Guang-Chuan Wang
- Department of Gastroenterology, Provincial Hospital Affiliated to Shandong University, Jinan City, Shandong Province, China
| | - Qing-Wei Liu
- Department of Radiology, Provincial Hospital Affiliated to Shandong University, Jinan City, Shandong Province, China.
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Xia H, Wang P, Wang GC, Yang J, Sun X, Wu W, Qiu Y, Shu T, Zhao X, Yin L, Qin CF, Hu Y, Zhou X. Human Enterovirus Nonstructural Protein 2CATPase Functions as Both an RNA Helicase and ATP-Independent RNA Chaperone. PLoS Pathog 2015. [PMID: 26218680 PMCID: PMC4517893 DOI: 10.1371/journal.ppat.1005067] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
RNA helicases and chaperones are the two major classes of RNA remodeling proteins, which function to remodel RNA structures and/or RNA-protein interactions, and are required for all aspects of RNA metabolism. Although some virus-encoded RNA helicases/chaperones have been predicted or identified, their RNA remodeling activities in vitro and functions in the viral life cycle remain largely elusive. Enteroviruses are a large group of positive-stranded RNA viruses in the Picornaviridae family, which includes numerous important human pathogens. Herein, we report that the nonstructural protein 2CATPase of enterovirus 71 (EV71), which is the major causative pathogen of hand-foot-and-mouth disease and has been regarded as the most important neurotropic enterovirus after poliovirus eradication, functions not only as an RNA helicase that 3′-to-5′ unwinds RNA helices in an adenosine triphosphate (ATP)-dependent manner, but also as an RNA chaperone that destabilizes helices bidirectionally and facilitates strand annealing and complex RNA structure formation independently of ATP. We also determined that the helicase activity is based on the EV71 2CATPase middle domain, whereas the C-terminus is indispensable for its RNA chaperoning activity. By promoting RNA template recycling, 2CATPase facilitated EV71 RNA synthesis in vitro; when 2CATPase helicase activity was impaired, EV71 RNA replication and virion production were mostly abolished in cells, indicating that 2CATPase-mediated RNA remodeling plays a critical role in the enteroviral life cycle. Furthermore, the RNA helicase and chaperoning activities of 2CATPase are also conserved in coxsackie A virus 16 (CAV16), another important enterovirus. Altogether, our findings are the first to demonstrate the RNA helicase and chaperoning activities associated with enterovirus 2CATPase, and our study provides both in vitro and cellular evidence for their potential roles during viral RNA replication. These findings increase our understanding of enteroviruses and the two types of RNA remodeling activities. Enteroviruses contain a large number of closely related human pathogens, including poliovirus, EV71, and coxsackie viruses, and cause ~3 billion infections annually. Among the nonstructural proteins of enteroviruses or picornaviruses, protein 2CATPase is the most conserved and complex but the least understood. On the basis of sequence analyses, this protein has been predicted as a putative superfamily 3 (SF3) helicase that supposedly plays a pivotal role in enteroviral RNA replication. However, attempts to determine the helicase activity associated with 2CATPase have been unsuccessful. We found that eukaryotically expressed EV71 or CAV16 2CATPase does possess an ATP-dependent RNA helicase activity that 3′→5′ unwinds RNA helices like other SF3 helicases; surprisingly, it also functions as an RNA chaperone that remodels RNA structures in an ATP-independent manner. Moreover, we determined the domain requirements for these two RNA remodeling activities associated with 2CATPase and provide both in vitro and cellular evidence of their potential roles during viral RNA replication. Additionally, our study provides the first evidence that RNA helicase and chaperoning activities can be integrated within one protein, thereby introducing an extended view of RNA remodeling proteins.
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Affiliation(s)
- Hongjie Xia
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Peipei Wang
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Guang-Chuan Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Jie Yang
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Xianlin Sun
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Wenzhe Wu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Yang Qiu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Ting Shu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Xiaolu Zhao
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Lei Yin
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Cheng-Feng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Yuanyang Hu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
| | - Xi Zhou
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei, China
- * E-mail:
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Zhao JR, Wang GC, Hu JH, Zhang CQ. Risk factors for early rebleeding and mortality in acute variceal hemorrhage. World J Gastroenterol 2014; 20:17941-17948. [PMID: 25548492 PMCID: PMC4273144 DOI: 10.3748/wjg.v20.i47.17941] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 07/16/2014] [Accepted: 08/28/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the risk factors for 6-wk rebleeding and mortality in acute variceal hemorrhage (AVH) patients treated by percutaneous transhepatic variceal embolization (PTVE).
METHODS: A retrospective cohort study of AVH patients who had undergone PTVE treatment was conducted between January 2010 and December 2012. Demographic information, medical histories, physical examination findings, and laboratory test results were collected. The PTVE procedure was performed as a rescue therapy for patients who failed endoscopic and pharmacologic treatment. Survival analysis was estimated using the Kaplan-Meier method and compared using the log-rank test. The multivariate analysis was performed using the Cox regression test to identify independent risk factors for rebleeding and mortality.
RESULTS: One hundred and one patients were included; 71 were males and the average age was 51 years. Twenty-one patients rebled within 6 wk. Patients with high-risk stigmata, PTVE with trunk obliteration, and a hepatic vein pressure gradient (HVPG) ≥ 20 mmHg were at increased risk for rebleeding (OR = 5.279, 95%CI: 2.782-38.454, P = 0.003; OR = 4.309, 95%CI: = 2.144-11.793, P < 0.001; and OR = 1.534, 95%CI: 1.062-2.216, P = 0.022, respectively). Thirteen patients died within 6 wk. A model for end-stage liver disease (MELD) score ≥ 18 and an HVPG ≥ 20 mmHg were associated with 6-wk mortality (OR = 2.162, 95%CI: 1.145-4.084, P = 0.017 and OR = 1.423, 95%CI: 1.222-1.657, P < 0.001, respectively).
CONCLUSION: MELD score and HVPG in combination allow for early identification of patients with AVH who are at substantially increased risk of death over the short term.
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Lyu K, Wang GC, He YL, Han JF, Ye Q, Qin CF, Chen R. Crystal structures of enterovirus 71 (EV71) recombinant virus particles provide insights into vaccine design. J Biol Chem 2014; 290:3198-208. [PMID: 25492868 DOI: 10.1074/jbc.m114.624536] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Hand-foot-and-mouth disease (HFMD) remains a major health concern in the Asia-Pacific regions, and its major causative agents include human enterovirus 71 (EV71) and coxsackievirus A16. A desirable vaccine against HFMD would be multivalent and able to elicit protective responses against multiple HFMD causative agents. Previously, we have demonstrated that a thermostable recombinant EV71 vaccine candidate can be produced by the insertion of a foreign peptide into the BC loop of VP1 without affecting viral replication. Here we present crystal structures of two different naturally occurring empty particles, one from a clinical C4 strain EV71 and the other from its recombinant virus containing an insertion in the VP1 BC loop. Crystal structure analysis demonstrated that the inserted foreign peptide is well exposed on the particle surface without significant structural changes in the capsid. Importantly, such insertions do not seem to affect the virus uncoating process as illustrated by the conformational similarity between an uncoating intermediate of another recombinant virus and that of EV71. Especially, at least 18 residues from the N terminus of VP1 are transiently externalized. Altogether, our study provides insights into vaccine development against HFMD.
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Affiliation(s)
- Ke Lyu
- From the Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guang-Chuan Wang
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China, and Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou 310027, China
| | - Ya-Ling He
- From the Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jian-Feng Han
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China, and
| | - Qing Ye
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China, and
| | - Cheng-Feng Qin
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China, and
| | - Rong Chen
- From the Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200031, China,
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Wu J, Wang GC, Chen XJ, Xue ZR. Expression of WASF3 in patients with non-small cell lung cancer: Correlation with clinicopathological features and prognosis. Oncol Lett 2014; 8:1169-1174. [PMID: 25120680 PMCID: PMC4114608 DOI: 10.3892/ol.2014.2276] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 06/12/2014] [Indexed: 12/12/2022] Open
Abstract
Wiskott-Aldrich syndrome protein family member 3 (WASF3) is required for invasion and metastasis in different cancer cell types, and has been demonstrated to possess prognostic value in various types of human cancer. However, to the best of our knowledge, the expression profile of WASF3 and its correlations with the clinicopathological features of non-small cell lung cancer (NSCLC) have not yet been described. In the present study, the mRNA expression levels of WASF3, in 38 NSCLC patients and in matched normal tissues, were assessed using quantitative polymerase chain reaction and the protein expression in 96 specimens was analyzed using immunohistochemistry. In addition, patient survival data were collected retrospectively and the association between WASF3 expression and five-year overall survival was evaluated. The results demonstrated that the mRNA expression level of WASF3 in cancer tissues was markedly (approximately five times) higher compared with that of the normal tissues. The WASF3 protein expression profile in NSCLC was consistent with the mRNA expression result, which also correlated with the histological subtype and tumor stage. Furthermore, patients with WASF3-positive expression were associated with a poorer prognosis compared with those exhibiting WASF3-negative expression, and the five-year survival rate was 20.8 and 46.5%, respectively (Kaplan-Meier; log-rank, P=0.004). In the multivariate analysis, which included other clinicopathological features, WASF3 emerged as an independent prognostic factor (relative risk, 0.463; 95% CI, 0.271–0.792). These results indicate that WASF3 may be critical in the pathogenesis of NSCLC, in addition to being a valuable prognostic factor for NSCLC patients. Further investigations are required to identify the efficacy of WASF3 as a potential therapeutic target for the treatment of NSCLC.
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Affiliation(s)
- Jie Wu
- Department of Oncology, The First Affiliated Hospital of Liaoning Medical University, Liaoning, Jinzhou 121000, P.R. China
| | - Guang-Chuan Wang
- Department of Immunology, Liaoning Medical University, Liaoning, Jinzhou 121000, P.R. China
| | - Xue-Jun Chen
- Department of Pathology, Liaoning Medical University, Liaoning, Jinzhou 121000, P.R. China
| | - Zhan-Rui Xue
- Department of Pathology, Liaoning Medical University, Liaoning, Jinzhou 121000, P.R. China
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Zuo GY, Han ZQ, Hao XY, Han J, Li ZS, Wang GC. Synergy of aminoglycoside antibiotics by 3-Benzylchroman derivatives from the Chinese drug Caesalpinia sappan against clinical methicillin-resistant Staphylococcus aureus (MRSA). Phytomedicine 2014; 21:936-941. [PMID: 24703330 DOI: 10.1016/j.phymed.2014.03.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Revised: 12/11/2013] [Accepted: 03/02/2014] [Indexed: 06/03/2023]
Abstract
The in vitro antimicrobial activities of three 3-Benzylchroman derivatives, i.e. Brazilin (1), Brazilein (2) and Sappanone B (3) from Caesalpinia sappan L. (Leguminosae) were assayed, which mainly dealt with synergistic evaluation of aminoglycoside and other type of antibiotics against methicillin-resistant Staphylococcus aureus (MRSA) by the three compounds through the Chequerboard and Time-kill curve methods. The results showed that Compounds 1-3 alone exhibited moderate to weak activity against methicillin-susceptible S. aureus (MSSA) and other standard strains by MICs/MBCs ranged from 32/64 to >1024/>1024 μg/ml, with the order of activity as 1>2>3. Chequerboard method showed significant anti-MRSA synergy of 1/Aminoglycosides (Gentamicin, Amikacin, Etimicin and Streptomycin) combinations with (FICIs)50 at 0.375-0.5. The combined (MICs)50 values (μg/ml) reduced from 32-128/16-64 to 4-8/4-16, respectively. The percent of reduction by MICs ranged from 50% to 87.5%, with a maximum of 93.8% (1/16 of the alone MIC). Combinations of 2 and 3 with Aminoglycosides and the other antibiotics showed less potency of synergy. The dynamic Time-killing experiment further demonstrated that the combinations of 1/aminoglycoside were synergistically bactericidal against MRSA. The anti-MRSA synergy results of the bacteriostatic (Chequerboard method) and bactericidal (time-kill method) efficiencies of 1/Aminoglycoside combinations was in good consistency, which made the resistance reversed by CLSI guidelines. We concluded that the 3-Benzylchroman derivative Brazilin (1) showed in vitro synergy of bactericidal activities against MRSA when combined with Aminoglycosides, which might be beneficial for combinatory therapy of MRSA infection.
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Affiliation(s)
- G Y Zuo
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China.
| | - Z Q Han
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China; School of Pharmacy, Guiyang Medical University, Guiyang 550004, China
| | - X Y Hao
- School of Pharmacy, Guiyang Medical University, Guiyang 550004, China
| | - J Han
- School of Basic Medical Sciences, Yunnan Traditional Chinese Medical College, Kunming 650500, China
| | - Z S Li
- Kunming Institute of Virology of Chengdu Military Command, Kunming 650032, China
| | - G C Wang
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China
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Wang GC, Wang Q, Li SL, Ai XG, Fan CG. Evidence of multi-step nucleation leading to various crystallization pathways from an Fe-O-Al melt. Sci Rep 2014; 4:5082. [PMID: 24866413 PMCID: PMC4035573 DOI: 10.1038/srep05082] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 05/07/2014] [Indexed: 01/26/2023] Open
Abstract
The crystallization process from a solution begins with nucleation, which determines the structure and size of the resulting crystals. Further understanding of multi-pathway crystallizations from solution through two-step nucleation mechanisms is needed. This study uses density functional theory to probe the thermodynamic properties of alumina clusters at high temperature and reveals the thermodynamic relationship between these clusters and the saturation levels of dissolved oxygen and aluminum in an Fe–O–Al melt. Based on the thermodynamics of cluster formation and the experimental evidence for both excess oxygen in the Fe-O-Al melt and for alumina with a polycrystalline structure in solidified iron, we demonstrate that the appearance of various types of clusters that depends on the saturation ratio determines the nucleation steps that lead to the various crystallization pathways. Such mechanisms may also be important in nucleation and crystallization from solution.
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Affiliation(s)
- G C Wang
- 1] Key Laboratory of Chemical Metallurgy Engineering, Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, China [2] School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, China [3] Jiangxi University of Science and Technology, Ganzhou, 341000, China
| | - Q Wang
- 1] Key Laboratory of Chemical Metallurgy Engineering, Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, China [2] School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, China
| | - S L Li
- 1] Key Laboratory of Chemical Metallurgy Engineering, Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, China [2] School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, China
| | - X G Ai
- 1] Key Laboratory of Chemical Metallurgy Engineering, Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning, 114051, China [2] School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, China
| | - C G Fan
- Jiangxi University of Science and Technology, Ganzhou, 341000, China
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Yang FQ, Liu M, Xu YF, Che JP, Wang GC, Zheng JH, Li X. GATA-3 is down-regulated in patients with clear cell renal carcinoma. Actas Urol Esp 2013; 37:489-97. [PMID: 23906664 DOI: 10.1016/j.acuro.2012.11.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Accepted: 11/27/2012] [Indexed: 12/11/2022]
Abstract
BACKGROUND GATA-3 is a transcription factor involved in human growth and development. Recent studies found its association with breast cancer, however, its expression profile in renal cell carcinoma (RCC) has not been investigated. MATERIAL AND METHOD The study included 35 patients submitted to radical nephrectomy with confirmed pathological diagnosis of RCC. Normal control kidney tissues were obtained from 25 living kidney donors and tissues were biopsied before implantation. The majority of RCC samples were diagnosed as clear cell renal cell carcinoma (94.3%) except for 1 case of papillary RCC and 1 case of collecting duct carcinoma. GATA-3 expression was evaluated by quantitative PCR and Western blotting (WB) in RCC samples and normal kidneys respectively, immunohistochemical staining was performed as well. Meanwhile, the GATA-3 expression in two cancer cell lines (786-O, ACHN) and normal kidney epithelial cells (HK-2) was detected by PCR and WB. In addition, renal cancer cells and HK-2 cells were cultivated and detected by confocal microscopy for the exact intra-cellular localization of GATA-3. RESULTS Data showed a significant down-regulation of GATA-3 expression present in neoplastic tissues compared with normal tissues; similarly, GATA-3 was significantly attenuated in all renal cancer cell lines compared with normal HK-2 cells. Confocal displayed a strong cytoplasmic immno-fluorescence activity of GATA-3 with peri-nuclear zone in HK-2, whereas the intensity in cancer cells was markedly weaker than that of HK-2. CONCLUSIONS In summary, our present study clarifies that the aberrant expression profile of GATA-3 in human RCC is possibly involved with tumorigenesis, and the complicated mechanism is worthy of further investigation.
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Affiliation(s)
- F Q Yang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200072, China
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