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Huang XQ, Pan J, Fang YY, Wang X, Shen M, Yuan Y, Guo SL. Interaction of smoking and aging on emphysema and small airways disease in asymptomatic healthy men by CT-based parametric response mapping analysis. Clin Radiol 2024; 79:e156-e163. [PMID: 37867079 DOI: 10.1016/j.crad.2023.09.020] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 09/06/2023] [Accepted: 09/26/2023] [Indexed: 10/24/2023]
Abstract
AIM To explore whether small airway disease and emphysema were affected by the interaction between smoking and aging on chest computed tomography (CT) images of asymptomatic healthy men analysed using a quantitative imaging tool parametric response mapping (PRM). MATERIALS AND METHODS In this retrospective study, 95 asymptomatic healthy men underwent biphasic chest CT. The PRM classifies lung as a percentage of normal (PRMNormal%), functional small airway disease (PRMfSAD%), and emphysema (PRMEmph%). The patients were divided into groups based on their age and smoking status. Multiple linear regression analysis was applied to explore the factors influencing lung injury. Simple effects analysis was performed to explore the interaction between different age groups and smoking status. RESULTS The interaction between aging and smoking significantly affected PRMfSAD% and PRMEmph% (p<0.001). The age range 60-69 and smoking were associated with increased PRMfSAD% and PRMEmph% (p<0.05). Futher stratification into different age subgroups showed that smoking was associated with increased PRMfSAD% and PRMEmph% in the 50-59 year age group. Besides, smoking in the 50-59 and 60-69 years group was associated with decreased PRMNormal%, while smoking in the 60-69 years group did not significantly influence the prevalence of PRMfSAD% and PRMEmph% (p>0.05). CONCLUSIONS PRM reveals the interplay between smoking and aging in the development of lung injury in asymptomatic healthy men. Aging and smoking are important factors of emphysema and small airway disease in the 50-69 years group. In the 60-69 years group, aging poses a greater risk of lung injury compared to smoking.
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Affiliation(s)
- X Q Huang
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000, China; Department of Radiology, Lanzhou University First Hospital, Lanzhou, 730000, China
| | - J Pan
- Department of Geriatrics, Yan'an People's Hospital, Yan'an, 716000, China
| | - Y Y Fang
- Department of Imaging, Medical College of Yan'an University, Yan'an, 716000, China
| | - X Wang
- Department of Imaging, Medical College of Yan'an University, Yan'an, 716000, China
| | - M Shen
- Department of Radiology, Yan'an University Affiliated Hospital, Yan'an, 716000, China
| | - Y Yuan
- Department of Radiology, Yan'an University Affiliated Hospital, Yan'an, 716000, China
| | - S L Guo
- Department of Radiology, Lanzhou University First Hospital, Lanzhou, 730000, China.
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Zhong H, Zheng NZ, Chen FH, Shi JB, Wen WP, Li J, Guo SL. [The surgical treatment for ossifying fibroma in the paranasal sinuses involving the orbit and skull base and repairing application of calcium phosphate cement]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2023; 58:1248-1253. [PMID: 38186101 DOI: 10.3760/cma.j.cn115330-20230411-00161] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Affiliation(s)
- H Zhong
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - N Z Zheng
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - F H Chen
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - J B Shi
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - W P Wen
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - J Li
- Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou 510080, China
| | - S L Guo
- Department of Neurosurgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
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Wang LL, Li JF, Lei JQ, Guo SL, Guo QH, Nan J, Wang R. [Research progress of radiomics in the evaluation of microvascular invasion in hepatocellular carcinoma]. Zhonghua Gan Zang Bing Za Zhi 2023; 31:327-331. [PMID: 37137863 DOI: 10.3760/cma.j.cn501113-20230312-00107] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Microvascular invasion (MVI) is an independent predictor of early recurrence and poor prognosis following hepatocellular carcinoma (HCC) resection and transplantation. As a novel non-invasive diagnostic tool, radiomics can extract the quantitative imaging features of tumors and peritumoral tissues with high throughput, providing more information on tumor heterogeneity than conventional and functional imaging of visual analysis and having a good application prospect in predicting the presence of MVI in HCC patients, thereby improving the accuracy of HCC diagnosis and prognosis. The value of the multimodal radiomics method based on various imaging methods in evaluating the possibility of MVI in HCC patients is elucidated here in combination with the latest research progress.
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Affiliation(s)
- L L Wang
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Radiology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - J F Li
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Infectious Diseases, Institute of Infectious Diseases, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - J Q Lei
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Radiology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - S L Guo
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Radiology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Q H Guo
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Radiology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - J Nan
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China Department of Radiology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - R Wang
- First Clinical Medical School of Lanzhou University, Lanzhou 730000, China
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Xie SS, Deng Y, Guo SL, Li JQ, Zhou YC, Liao J, Wu DD, Lan WF. Endothelial cell ferroptosis mediates monocrotaline-induced pulmonary hypertension in rats by modulating NLRP3 inflammasome activation. Sci Rep 2022; 12:3056. [PMID: 35197507 PMCID: PMC8866506 DOI: 10.1038/s41598-022-06848-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 01/28/2022] [Indexed: 12/18/2022] Open
Abstract
Inflammation triggers pulmonary vascular remodelling. Ferroptosis, a nonapoptotic form of cell death that is triggered by iron-dependent lipid peroxidation and contributes to the pathogenesis of several inflammation-related diseases, but its role in pulmonary hypertension (PH) has not been studied. We examined endothelial cell ferroptosis in PH and the potential mechanisms. Pulmonary artery endothelial cells (PAECs) and lung tissues from monocrotaline (MCT)-induced PH rats were analysed for ferroptosis markers, including lipid peroxidation, the labile iron pool (LIP) and the protein expression of glutathione peroxidase 4 (GPX4), ferritin heavy chain 1 (FTH1) and NADPH oxidase-4 (NOX4). The effects of the ferroptosis inhibitor ferrostatin-1 (Fer-1) on endothelial cell ferroptosis and pulmonary vascular remodelling in MCT-induced rats were studied in vitro and in vivo. Ferroptosis was observed in PAECs from MCT-induced PH rats in vitro and in vivo and was characterized by a decline in cell viability accompanied by increases in the LIP and lipid peroxidation, the downregulation of GPX4 and FTH1 expression and the upregulation of NOX4 expression. High-mobility group box 1 (HMGB1)/Toll-like receptor 4 (TLR4)/NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome signalling was measured by western blotting. These changes were significantly blocked by Fer-1 administration in vitro and in vivo. These results suggest that Fer-1 plays a role in inhibiting ferroptosis-mediated PAEC loss during the progression of PH. The ferroptosis-induced inflammatory response depended on the activation of HMGB1/TLR4 signalling, which activated the NLRP3 inflammasome in vivo. We are the first to suggest that pulmonary artery endothelial ferroptosis triggers inflammatory responses via the HMGB1/TLR4/NLRP3 inflammasome signalling pathway in MCT-induced rats. Treating PH with a ferroptosis inhibitor and exploring new treatments based on ferroptosis regulation might be promising therapeutic strategies for PH.
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Affiliation(s)
- Shan-Shan Xie
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China
| | - Yan Deng
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China.
- Department of Echocardiography of Cardiovascular Disease Institute, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China.
| | - Sheng-Lan Guo
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China
| | - Jia-Quan Li
- Experimental Centre of Guangxi Medical University, Nanning, People's Republic of China
| | - Ying-Chuan Zhou
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, People's Republic of China
| | - Juan Liao
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China
| | - Dan-Dan Wu
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China
| | - Wei-Fang Lan
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, 6 Shuang yong Road, Nanning, 530021, People's Republic of China
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Guo SL, Chen H, Zhao JJ, Gao L, Sun YC. [Research and application progress of mechanical measures for oral plaque control]. Zhonghua Kou Qiang Yi Xue Za Zhi 2021; 56:816-820. [PMID: 34404150 DOI: 10.3760/cma.j.cn112144-20200827-00482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Effective removal of dental plaque is a key measure to prevent and control common oral diseases and to maintain the long-term effect of dental prostheses. The methods of oral plaque control are mainly depending on mechanical measures, including regular toothbrushing, interdental cleaning and oral irrigation. Toothbrushing is the most common and effective method for mechanical removal of dental plaque.How ever the effect of toothbrushing alone to remove dental plaque is limited. It is necessary to control the interdental plaque using tools such as dental floss and interdental brushes. Oral irrigation is an assistant method to improve oral hygiene. Toothbrushing combined with the use of oral irrigator can significantly improve the removal rate of dental plaque. The present article reviews the research progress of the mechanical plaque control methods and their application results.
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Affiliation(s)
- S L Guo
- Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - H Chen
- Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - J J Zhao
- Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - L Gao
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Y C Sun
- Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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Deng Y, Guo SL, Li JQ, Xie SS, Zhou YC, Wei B, Wang Q, Wang F. Interferon regulatory factor 7 inhibits rat vascular smooth muscle cell proliferation and inflammation in monocrotaline-induced pulmonary hypertension. Life Sci 2021; 264:118709. [PMID: 33152351 DOI: 10.1016/j.lfs.2020.118709] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 06/24/2020] [Revised: 10/24/2020] [Accepted: 10/30/2020] [Indexed: 12/28/2022]
Abstract
AIMS Although interferon regulatory factor 7 (IRF7) has known roles in regulating the inflammatory response, vascular smooth muscle cell proliferation, and apoptosis, its role in the pathogenesis of pulmonary hypertension (PH) is unclear. We hypothesized that IRF7 overexpression could inhibit pulmonary vascular remodeling and slow the progression of PH. MAIN METHODS IRF7 mRNA and protein levels in the lung samples and pulmonary artery smooth muscle cells (PASMCs) isolated from monocrotaline (MCT)-induced PH rats were assessed. We evaluated the effects of IRF7 on inflammation, proliferation, and apoptosis using an in vivo MCT-induced PH rat model and in vitro methods. KEY FINDINGS We noted decreased IRF7 mRNA and protein levels in the pulmonary vasculature of MCT-induced PH rats. IRF7 upregulation attenuated pulmonary vascular remodeling, decreased the pulmonary artery systolic pressure, and improved the right ventricular (RV) structure and function. Our findings suggest that nuclear factor kappa-Bp65 (NF-κBp65) deactivation could confer pulmonary vasculature protection, reduce proinflammatory cytokine (tumor necrosis factor-α, interleukin 6) release, and decrease PASMC proliferation and resistance to apoptosis via deactivating transcription factor 3 (ATF3) signaling. ATF3 deactivation induced the downregulation of the proliferation-dependent genes proliferating cell nuclear antigen (PCNA), cyclin D1, and survivin, coupled with increased levels of B cell lymphoma-2-associated X protein (Bax)/B cell lymphoma-2 (Bcl2) ratio, and cleaved caspase-3 in PASMCs. SIGNIFICANCE Our findings showed that IRF7 downregulation could initiate inflammation via NF-κBp65 signaling, causing PASMC proliferation via ATF3 signaling pathway activation. Therefore, IRF7 could be a potential molecular target for PH therapy.
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MESH Headings
- Activating Transcription Factor 3/metabolism
- Animals
- Apoptosis
- Caspase 3/metabolism
- Cell Proliferation
- Cells, Cultured
- Core Binding Factor Alpha 1 Subunit/metabolism
- Cyclin D1/metabolism
- Dependovirus/metabolism
- Heart Ventricles/pathology
- Heart Ventricles/physiopathology
- Hemodynamics
- Hypertension, Pulmonary/chemically induced
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/pathology
- Hypertension, Pulmonary/physiopathology
- Inflammation/complications
- Inflammation/pathology
- Interferon Regulatory Factor-7/metabolism
- Lung/pathology
- Lung/physiopathology
- Male
- Monocrotaline
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Proliferating Cell Nuclear Antigen/metabolism
- Rats, Sprague-Dawley
- Receptor for Advanced Glycation End Products/metabolism
- Signal Transduction
- Survivin/metabolism
- Up-Regulation
- Vascular Remodeling
- bcl-2-Associated X Protein/metabolism
- Rats
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Affiliation(s)
- Yan Deng
- Department of Ultrasound, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
| | - Sheng-Lan Guo
- Department of Ultrasound, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jia-Quan Li
- The Experimental Center of Guangxi Medical University, Nanning, China
| | - Shan-Shan Xie
- Department of Ultrasound, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Ying-Chuan Zhou
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Bin Wei
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qian Wang
- Department of Ultrasound, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Fen Wang
- Department of Ultrasound, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Niu Z, Tian JW, Ran HT, Ren WD, Chang C, Yuan JJ, Kang CS, Deng YB, Wang H, Luo BM, Guo SL, Zhou Q, Xue ES, Zhan WW, Zhou Q, Li J, Zhou P, Zhang CQ, Chen M, Gu Y, Xu JF, Chen W, Zhang YH, Wang HQ, Li JC, Wang HY, Jiang YX. Risk-predicted dual nomograms consisting of clinical and ultrasound factors for downgrading BI-RADS category 4a breast lesions - A multiple centre study. J Cancer 2021; 12:292-304. [PMID: 33391426 PMCID: PMC7738830 DOI: 10.7150/jca.51302] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 07/30/2020] [Accepted: 10/18/2020] [Indexed: 12/17/2022] Open
Abstract
Purpose: To develop and to validate a risk-predicted nomogram for downgrading Breast Imaging Reporting and Data System (BI-RADS) category 4a breast lesions. Patients and Methods: We enrolled 680 patients with breast lesions that were diagnosed as BI-RADS category 4a by conventional ultrasound from December 2018 to June 2019. All 4a lesions were randomly divided into development and validation groups at the ratio of 3:1. In the development group consisting of 499 cases, the multiple clinical and ultrasound predicted factors were extracted, and dual-predicted nomograms were constructed by multivariable logistic regression analysis, named clinical nomogram and ultrasound nomogram, respectively. Patients were twice classified as either "high risk" or "low risk" in the two nomograms. The performance of these dual nomograms was assessed by an independent validation group of 181 cases. Receiver Operating Characteristic (ROC) curve and diagnostic value were calculated to evaluate the applicability of the new model. Results: After multiple logistic regression analysis, the clinical nomogram included 2 predictors: age and the first-degree family members with breast cancer. The area under the curve (AUC) value for the clinical nomogram was 0.661 and 0.712 for the development and validation groups, respectively. The ultrasound nomogram included 3 independent predictors (margins, calcification and strain ratio), and the AUC value in this nomogram was 0.782 and 0.747 in the development and validation groups, respectively. In the development group of 499 patients, approximately 50.90% (254/499) of patients were twice classified "low risk", with a malignancy rate of 1.18%. In the validation group of 181 patients, approximately 47.51% (86/181) of patients had been twice classified as "low risk", with a malignancy rate of 1.16%. Conclusions: A dual-predicted nomogram incorporating clinical factors and imaging characteristics is an applicable model for downgrading the low-risk lesions in BI-RADS category 4a and shows good stability and accuracy, which is useful for decreasing the rate of invasive examinations and surgery.
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Affiliation(s)
- Zihan Niu
- Department of Ultrasound, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Jia-Wei Tian
- Department of Ultrasound, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Hai-Tao Ran
- Department of Ultrasound, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China; Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Wei-Dong Ren
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Cai Chang
- Department of Medical Ultrasound, Fudan University Shanghai Cancer Center & Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Jian-Jun Yuan
- Department of Ultrasonography, Henan Provincial People's Hospital, Zhengzhou 450003, China
| | - Chun-Song Kang
- Department of Ultrasound, Shanxi Academy of Medical Science, Dayi Hospital of Shanxi Medical University, Taiyuan 030032, China
| | - You-Bin Deng
- Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China
| | - Hui Wang
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - Bao-Ming Luo
- Department of Ultrasound, the Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Sheng-Lan Guo
- Department of Ultrasonography, First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Qi Zhou
- Department of Medical Ultrasound, the Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an 710004, China
| | - En-Sheng Xue
- Department of Ultrasound, Union Hospital of Fujian Medical University, Fujian Institute of Ultrasound Medicine, Fuzhou 350001, China
| | - Wei-Wei Zhan
- Department of Ultrasound, Ruijin Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai 200025, China
| | - Qing Zhou
- Department of Ultrasonography, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jie Li
- Department of Ultrasound, Qilu Hospital, Shandong University, Jinan 250012, China
| | - Ping Zhou
- Department of Ultrasound, the Third Xiangya Hospital of Central South University, Changsha 410013, China
| | - Chun-Quan Zhang
- Department of Ultrasound, the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Man Chen
- Department of Ultrasound Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Ying Gu
- Department of Ultrasonography, the Affiliated Hospital of Guizhou Medical University, Guiyang 550004, China
| | - Jin-Feng Xu
- Department of Ultrasound, Shenzhen People's Hospital, the Second Clinical Medical College of Jinan University, Shenzhen 518020, China
| | - Wu Chen
- Department of Ultrasound, the First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - Yu-Hong Zhang
- Department of Ultrasound, the Second Hospital of Dalian Medical University, Dalian 116027, China
| | - Hong-Qiao Wang
- Department of Ultrasound, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Jian-Chu Li
- Department of Ultrasound, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Hong-Yan Wang
- Department of Ultrasound, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Yu-Xin Jiang
- Department of Ultrasound, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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Mi RH, Chen L, Liu J, Liu T, Wang K, Dong LH, Li X, He YZ, Liu ZB, Guo XJ, Guo SL, Zhao HM, Tang JH, Ma XM, Li YF, Wei XD. [Clinical analysis of 10 patients of acute promyelocytic leukemia with a variant RARα translocation]. Zhonghua Xue Ye Xue Za Zhi 2020; 41:257-260. [PMID: 32311899 PMCID: PMC7357931 DOI: 10.3760/cma.j.issn.0253-2727.2020.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- R H Mi
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - L Chen
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - J Liu
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - T Liu
- Zhoukou Central Hospital, Zhoukou 466000,China
| | - K Wang
- Zhoukou Central Hospital, Zhoukou 466000,China
| | - L H Dong
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - X Li
- Henan University First Affiliated Hospital, Kaifeng 475004, China
| | - Y Z He
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - Z B Liu
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - X J Guo
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - S L Guo
- Luoyang Central Hospital, Luoyang 471099, China
| | - H M Zhao
- Henan University Huaihe Hospital, Kaifeng 475399, China
| | - J H Tang
- People's Liberation Army in the 988 Hospital (Kaifeng District), Kaifeng 475002, China
| | - X M Ma
- Pingdingshan First People's Hospital,Pingdingshan 467021, China
| | - Y F Li
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - X D Wei
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
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Gao LY, Gu Y, Xu W, Tian JW, Yin LX, Ran HT, Ren WD, Mu YM, Zhang JY, Chang C, Yuan JJ, Kang CS, Deng YB, Wang H, Xie XY, Luo BM, Guo SL, Zhou Q, Xue ES, Zhan WW, Jiao T, Zhou Q, Li J, Zhou P, Huang PT, Xue HY, Zhang CQ, Chen M, Jing XX, Gu Y, Guo JF, Ding HY, Xu JF, Chen W, Liu L, Zhang YH, Wang HQ, Mu ZP, Li JC, Wang HY, Jiang YX. Can Combined Screening of Ultrasound and Elastography Improve Breast Cancer Identification Compared with MRI in Women with Dense Breasts-a Multicenter Prospective Study. J Cancer 2020; 11:3903-3909. [PMID: 32328194 PMCID: PMC7171498 DOI: 10.7150/jca.43326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 03/27/2020] [Indexed: 11/05/2022] Open
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Deng Y, Guo SL, Wei B, Gao XC, Zhou YC, Li JQ. Activation of Nicotinic Acetylcholine α7 Receptor Attenuates Progression of Monocrotaline-Induced Pulmonary Hypertension in Rats by Downregulating the NLRP3 Inflammasome. Front Pharmacol 2019; 10:128. [PMID: 30863307 PMCID: PMC6399137 DOI: 10.3389/fphar.2019.00128] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [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: 10/17/2018] [Accepted: 02/05/2019] [Indexed: 12/11/2022] Open
Abstract
Background: Inflammation and altered immunity contribute to the development of pulmonary arterial hypertension (PH). The alpha 7 nicotinic acetylcholine receptor (α7nAChR) possesses anti-inflammatory activities. The current study was performed to investigate the effects of a selective α7nAChR agonist, PNU-282987, on controlling a monocrotaline (MCT)-induced rat model of PH and explored the underlying mechanisms. Methods: Sprague-Dawley rats were injected with MCT and treated with PNU-282987 at the prevention (starting 1 week before MCT) and treatment (starting 2 weeks after MCT) settings. Four weeks after MCT injection, hemodynamic changes, right ventricular structure, and lung morphological features were assessed. Enzyme-linked immunosorbent assay, Western blot and qRT-PCR were performed to assess levels of inflammatory cytokines and NLRP3 (Nod-like receptor family pyrin domain-containing 3) inflammasome pathway in the rat lung tissues. In addition, the lung macrophage line NR8383 was used to confirm the in vivo data. Results: Monocrotaline injection produced PH in rats and downregulated α7nAChR mRNA and protein expression in rat lung tissues compared to sham controls. Pharmacological activation of α7nAChR by PNU-282987 therapy improved the rat survival rate, attenuated the development of PH as assessed by remodeling of pulmonary arterioles, reduced the right ventricular (RV) systolic pressure, and ameliorated the hypertrophy and fibrosis of the RV in rats with MCT-induced PH. The expression of TNF-α, IL-6, IL-1β, and IL-18 were downregulated in rat lung tissues, which implied that PNU-282987 therapy may help regulate inflammation. These protective effects involved the inhibition of the NLRP3 inflammasome. In vitro assays of cultured rat lung macrophages confirmed that the anti-inflammation effect of PNU-282987 therapy may contribute to the disturbance of NLRP3 inflammasome activation. Conclusion: Targeting α7nAChR with PNU-282987 could effectively prevent and treat PH with benefits for preventing ongoing inflammation in the lungs of rats with MCT-induced PH by inhibiting NLRP3 inflammasome activation.
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Affiliation(s)
- Yan Deng
- Department of Ultrasound, The Cardiovascular Disease Institute, The First Affiliated Hospital to Guangxi Medical University, Nanning, China
| | - Sheng-Lan Guo
- Department of Ultrasound, The Cardiovascular Disease Institute, The First Affiliated Hospital to Guangxi Medical University, Nanning, China
| | - Bin Wei
- Department of Cardiology, The First Affiliated Hospital to Guangxi Medical University, Nanning, China
| | - Xing-Cui Gao
- Department of Cardiology, The First Affiliated Hospital to Guangxi Medical University, Nanning, China
| | - Ying-Chuan Zhou
- Department of Pathology, The First Affiliated Hospital to Guangxi Medical University, Nanning, China
| | - Jia-Quan Li
- The Experimental Center of Guangxi Medical University, Nanning, China
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Li YS, Guo SL, Yi XH, Xiao ML, Jin XX, Xiao Y, Zhu XY, Li X, Dai LW, Ao Z, Liu XZ, Ding M. [Efficacy and safety of transbronchial cryobiopsy in the etiologic diagnosis of diffuse lung disease]. Zhonghua Yi Xue Za Zhi 2018; 97:3617-3623. [PMID: 29275603 DOI: 10.3760/cma.j.issn.0376-2491.2017.46.004] [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 assess the efficacy and safety of transbronchial cryobiopsy (TBCB) for the etiologic evaluation of diffuse lung disease (DLD). Methods: Between December 2015 to April 2017, a total of 38 patients with DLD met the inclusion criteria for TBCB in the First Affiliated Hospital of Chongqing Medical University, and 35 of them consented to undergo the procedure under rigid or flexible bronchoscopy. On the tissues obtained from the 35 patients, histopathologic and microbiological evaluations were performed, and together with clinical and radiological manifestations, diagnoses were made and the efficacy of TBCB in the diagnosis of DLD was confirmed, and then therapies were planned accordingly. Complications of the biopsy procedures were recorded. Results: Of the 35 patients who were enrolled, 24 underwent TBCB under rigid bronchoscopy and 11 under flexible bronchoscopy. Another 3 patients refused the procedure due to disinclination to invasive examinations. One single procedure of TBCB took (51.8±19.2) min on average, the median number of tissues obtained was 6 (5, 8), and the median area of tissues was 15 (9, 20) mm(2).Definite diagnoses were reached in 33 patients, including idiopathic nonspecific interstitial pneumonia (n=8), connective tissue disease-interstitial lung disease (n=8), occupational lung disease (n=4), idiopathic pulmonary fibrosis (n=3), interstitial pneumonia with autoimmune features (n=3), tuberculosis (n=2), cryptogenic organization pneumonia (n=1), acute interstitial pneumonia (n=1), pulmonary infection (n=1), hypersensitivity pneumonia (n=1) and sarcoidosis (n=1). Diagnostic yield was 94.3% (33 out of 35 cases diagnosed). Pneumothorax occurred in 3 patients (1 patients with mild pneumothorax , 1 moderate and 1 severe), and were resolved with thoracic puncture or pleural drainage. Bleeding occurred in all 24 patients who received TBCB under rigid bronchoscopy (11 patients with mild bleeding, 12 moderate and 1 severe) and was controlled after coagulation measures. After one month of treatment according to the diagnoses acquired with cryobiopsy, the condition was cured in 1 patient (3.0%), alleviated in 17 (51.5%), stable in 11 (33.3%), and deteriorated in 4 (12.1%). Conclusion: TBCB yields reliable diagnoses with a good safety profile.
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Affiliation(s)
- Y S Li
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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12
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Guo SL, Su LN, Zhai YN, Chirume WM, Lei JQ, Zhang H, Yang L, Shen XP, Wen XX, Guo YM. The clinical value of hepatic extracellular volume fraction using routine multiphasic contrast-enhanced liver CT for staging liver fibrosis. Clin Radiol 2016; 72:242-246. [PMID: 28341030 DOI: 10.1016/j.crad.2016.10.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 09/25/2016] [Accepted: 10/05/2016] [Indexed: 12/12/2022]
Abstract
AIM To investigate the value of hepatic extracellular volume fractions (fECVs) measured using routine liver computed tomography (CT) evaluating liver fibrosis (LF). MATERIALS AND METHODS A total of 60 patients (male:female ratio, 39:21; mean age, 42.4 years) histologically diagnosed with LF underwent routine liver CT. Absolute enhancement (in Hounsfield units) of the liver parenchyma (Eliver) and aorta (Eaorta) 3 minutes after contrast medium administration was calculated using precontrast and equilibrium phase scans. The fECV was calculated using the following equation: fECV (%)=Eliver× (100 - haematocrit [%])/Eaorta. Correlation between fECV and LF stage was evaluated using the Spearman correlation coefficient. The fECVs were compared between each stage of LF. The diagnostic performance of fECV was assessed using receiver operating characteristic (ROC) curve analysis. RESULTS The difference among the groups was statistically significant (p<0.05). The fECVs were significantly different (p<0.05) between F0 versus F4, F1 versus F4, and F2 versus F4. The fECVs showed a significant correlation with pathological LF staging (r=0.468, p=0.001). The sensitivity and specificity were 0.76 and 0.68 for severe LF (F≥3); and 0.89 and 0.63 for cirrhosis (F=4). The areas under the ROC curve (AUCs) for F≥3 and F=4 were 0.757 and 0.775, respectively. CONCLUSIONS Calculation of fECV during routine contrast-enhanced liver CT may provide a non-invasive means of assessing LF.
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Affiliation(s)
- S L Guo
- Department of Radiology, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an City, China; Department of Radiology, The First Affiliated Hospital of Lanzhou University, Lanzhou City, China; Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - L N Su
- Department of Radiology, Zhejiang Hospital, Hangzhou City, China
| | - Y N Zhai
- Department of Radiology, The First Affiliated Hospital of Lanzhou University, Lanzhou City, China; Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - W M Chirume
- Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - J Q Lei
- Department of Radiology, The First Affiliated Hospital of Lanzhou University, Lanzhou City, China; Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - H Zhang
- Department of Radiology, The First Affiliated Hospital of Lanzhou University, Lanzhou City, China; Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - L Yang
- Lanzhou University First School of Clinical Medicine, Lanzhou City, China
| | - X P Shen
- Epidemiology and Health Statistics Institute, Public Health School of Lanzhou University, Lanzhou City, China
| | - X X Wen
- Assisted Reproductive Medical Center, Gansu Provincial Maternity and Child Care Hospital, Lanzhou City, China
| | - Y M Guo
- Department of Radiology, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an City, China.
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Guo SL, Zhao Y, Man HY, Ding C, Gong X, Zhi GX, Fu LC, Gu YL, Frandsen BA, Liu L, Cheung SC, Munsie TJ, Wilson MN, Cai YP, Luke GM, Uemura YJ, Ning FL. μSR investigation of a new diluted magnetic semiconductor Li(Zn,Mn,Cu)As with Mn and Cu codoping at the same Zn sites. J Phys Condens Matter 2016; 28:366001. [PMID: 27401041 DOI: 10.1088/0953-8984/28/36/366001] [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: 06/06/2023]
Abstract
We report the successful synthesis and characterization of a new type I-II-V bulk form diluted magnetic semiconductor (DMS) Li(Zn,Mn,Cu)As, in which charge and spin doping are decoupled via (Cu,Zn) and (Mn,Zn) substitution at the same Zn sites. Ferromagnetic transition temperature up to ∼33 K has been observed with a coercive field ∼40 Oe for the 12.5% doping level. μSR measurements confirmed that the magnetic volume fraction reaches nearly 100% at 2 K, and the mechanism responsible for the ferromagnetic interaction in this system is the same as other bulk form DMSs.
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Affiliation(s)
- S L Guo
- Department of Physics, Zhejiang University, Hangzhou 310027, People's Republic of China. Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, People's Republic of China
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Gao P, Guo SL, Li YS. [2015 annual review of interventional pulmonology]. Zhonghua Jie He He Hu Xi Za Zhi 2016; 39:391-392. [PMID: 27180596 DOI: 10.3760/cma.j.issn.1001-0939.2016.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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15
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Deng Y, Guo SL, Wu WF, Wang Q, Su HY, Tan Z, Wang F, He QY. Right Atrial Evaluation in Patients With Pulmonary Hypertension: A Real-time 3-Dimensional Transthoracic Echocardiographic Study. J Ultrasound Med 2016; 35:49-61. [PMID: 26614791 DOI: 10.7863/ultra.15.01028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [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: 01/13/2015] [Accepted: 04/15/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVES The purpose of this study was to investigate the changes in the morphologic characteristics and performance of the right atrium (RA) that occur secondary to structural remodeling of the right ventricle (RV) in patients with pulmonary hypertension by real-time 3-dimensional echocardiography (3DE). METHODS Comprehensive 2-dimensional echocardiography and real-time 3DE were performed in 112 patients and 30 healthy control participants. Patients with pulmonary hypertension were divided into 3 subgroups: 1, normal RV dimension (n = 34); 2, RV enlargement and preserved systolic function (n = 36); and 3, RV enlargement and systolic dysfunction (n = 42). RESULTS Patients had larger RA volume parameters and lower RA passive emptying fractions than controls (P< .01). The RA active emptying fraction was higher in patient groups 1 (mean ± SD, 45.5% ± 10.7%) and 2 (40.1% ± 4.0%) and lower in group 3 (19.3% ± 4.3%) compared to controls (35.4% ± 3.5%). The RA total emptying fraction was similar between groups 1 and 2 (59.3% ± 9.7% and 52.6% ± 3.4%, respectively) but was significantly lower in group 3 compared to controls (26.8% ± 5.1% versus 55.2% ± 5.1%). Right atrial volume and phasic function were substantially affected by RV structure and function. CONCLUSIONS Real-time 3DE is a feasible, repeatable, and noninvasive method for accessing cyclic RA volume and function changes, such as those that occur with varying RV status in patients with pulmonary hypertension.
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Affiliation(s)
- Yan Deng
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Sheng-Lan Guo
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China.
| | - Wei-feng Wu
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qian Wang
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hong-yue Su
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhen Tan
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Fen Wang
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qun-yan He
- Department of Ultrasound (Y.D., S.G., Q.W., H.S., Z.T., F.W., Q.H.) and Guangxi Cardiovascular Institute (W.W.), First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Zhang CH, Zhang BB, Ma RJ, Yu ML, Guo SL, Guo L. Isolation and expression analysis of four HD-ZIP III family genes targeted by microRNA166 in peach. Genet Mol Res 2015; 14:14151-61. [PMID: 26535732 DOI: 10.4238/2015.october.29.37] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
MicroRNA166 (miR166) is known to have highly conserved targets that encode proteins of the class III homeodomain-leucine zipper (HD-ZIP III) family, in a broad range of plant species. To further understand the relationship between HD-ZIP III genes and miR166, four HD-ZIP III family genes (PpHB14, PpHB15, PpHB8, and PpREV) were isolated from peach (Prunus persica) tissue and characterized. Spatio-temporal expression profiles of the genes were analyzed. Genes of the peach HD-ZIP III family were predicted to encode five conserved domains. Deduced amino acid sequences and tertiary structures of the four peach HD-ZIP III genes were highly conserved, with corresponding genes in Arabidopsis thaliana. The expression level of four targets displayed the opposite trend to that of miR166 throughout fruit development, with the exception of PpHB14 from 35 to 55 days after full bloom (DAFB). This finding indicates that miR166 may negatively regulate its four targets throughout fruit development. As for leaf and phloem, the same trend in expression level was observed between four targets and miR166 from 75 to 105 DAFB. However, the opposite trend was observed for the transcript level between four targets and miR166 from 35 to 55 DAFB. miRNA166 may negatively regulate four targets in some but not all developmental stages for a given tissue. The four genes studied were observed to have, exactly or generally, the same change tendency as individual tissue development, a finding that suggests genes of the HD-ZIP III family in peach may have complementary or cooperative functions in various tissues.
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Affiliation(s)
- C H Zhang
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
| | - B B Zhang
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
| | - R J Ma
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
| | - M L Yu
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
| | - S L Guo
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
| | - L Guo
- Institute of Horticulture, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, China
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Han LN, Guo SL, Lin XM, Shi XM, Zang CB, Yang LM, Ding GL. Torasemide reduces dilated cardiomyopathy, complication of arrhythmia, and progression to heart failure. Genet Mol Res 2014; 13:7262-74. [PMID: 25222231 DOI: 10.4238/2014.september.5.11] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The aim of this study was to analyze the incidence and types of arrhythmia and their relationship with the severity and prognosis of chronic heart failure (CHF) in patients with dilated cardiomyopathy (DCM), and to investigate the therapeutic effect of torasemide versus furosemide on CHF and incidence of arrhythmia. DCM patients with NYHA cardiac function II-IV were continuously monitored using a 24-h dynamic electrocardiogram (Holter), and arrhythmia incidence was analyzed by computer automatic analysis combined with manual assessment. In total, 125 participants were evenly divided into two groups: torasemide group which received 10 mg oral torasemide once daily) and regular anti-heart failure treatment (N=65), and furosemide group which received torasemide (20 mg once daily orally) and regular antiheart failure treatment (N=60). Another 60 normal healthy persons served as the normal control group. Incidence and severity of arrhythmia increased when degree of CHF was elevated. Size of left atrium was related to atrial fibrillation and size of left ventricle was related to malignant arrhythmia. At 3 months after treatment, cardiac function in both groups improved and incidence and severity of arrhythmia in both groups were reduced. However, left ventricular ejection fraction (LVEF) was higher in the torasemide group than in the furosemide group, while incidence of arrhythmia was lower in the torasemide group. Arrhythmias frequently occurred in patients with DCM and HF. Type of cardiac arrhythmia is closely related to ventricular enlargement and cardiac function grade. Torasemide is better for improving cardiac function to reduce arrhythmia and CHF compared to furosemide.
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Affiliation(s)
- L N Han
- First Department of Cardiovascular Internal Medicine in South Building, PLA General Hospital, Beijing, China
| | - S L Guo
- School of Automation, Beijing Institute of Technology, Beijing, China
| | - X M Lin
- Department of Cardiovascular Internal Medicine, PLA 187 Center Hospitals, Haikou Province, China
| | - X M Shi
- First Department of Cardiovascular Internal Medicine in South Building, PLA General Hospital, Beijing, China
| | - C B Zang
- First Department of Cardiovascular Internal Medicine in South Building, PLA General Hospital, Beijing, China
| | - L M Yang
- First Department of Cardiovascular Internal Medicine in South Building, PLA General Hospital, Beijing, China
| | - G L Ding
- First Department of Cardiovascular Internal Medicine in South Building, PLA General Hospital, Beijing, China
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Zhang J, Ku LX, Han ZP, Guo SL, Liu HJ, Zhang ZZ, Cao LR, Cui XJ, Chen YH. The ZmCLA4 gene in the qLA4-1 QTL controls leaf angle in maize (Zea mays L.). J Exp Bot 2014; 65:5063-76. [PMID: 24987012 DOI: 10.1093/jxb/eru271] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Maize architecture is a major contributing factor to their high level of productivity. Maize varieties with an erect-leaf-angle (LA) phenotype, which increases light harvesting for photosynthesis and grain-filling, have elevated grain yields. Although a large body of information is available on the map positions of quantitative trait loci (QTL) for LA, little is known about the molecular mechanism of these QTL. In this study, the ZmCLA4 gene, which is responsible for the qLA4-1 QTL associated with LA, was identified and isolated by fine mapping and positional cloning. The ZmCLA4 gene is an orthologue of LAZY1 in rice and Arabidopsis. Sequence analysis revealed two SNPs and two indel sites in ZmCLA4 between the D132 and D132-NIL inbred maize lines. Association analysis showed that C/T/mutation667 and CA/indel965 were strongly associated with LA. Subcellular localization verified the functions of a predicted transmembrane domain and a nuclear localization signal in ZmCLA4. Transgenic maize plants with a down-regulated ZmCLA4 RNAi construct and transgenic rice plants over-expressing ZmCLA4 confirmed that the ZmCLA4 gene located in the qLA4 QTL regulated LA. The allelic variants of ZmCLA4 in the D132 and D132-NIL lines exhibited significant differences in leaf angle. ZmCLA4 transcript accumulation was higher in D132-NIL than in D132 during all the developmental stages and was negatively correlated with LA. The gravitropic response was increased and cell shape and number at the leaf and stem junctions were altered in D132-NIL relative to D132. These findings suggest that ZmCLA4 plays a negative role in the control of maize LA through the alteration of mRNA accumulation, leading to altered shoot gravitropism and cell development. The cloning of the gene responsible for the qLA4-1 QTL provides information on the molecular mechanisms of LA in maize and an opportunity for the improvement of plant architecture with regard to LA through maize breeding.
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Affiliation(s)
- J Zhang
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - L X Ku
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - Z P Han
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China College of Agronomy, Henan University of Science and Technology, Luoyang 471003, China
| | - S L Guo
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - H J Liu
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - Z Z Zhang
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - L R Cao
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - X J Cui
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
| | - Y H Chen
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, 95, Wenhua Road, Zhengzhou 450002, China
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Ku LX, Zhang J, Guo SL, Liu HY, Zhao RF, Chen YH. Integrated multiple population analysis of leaf architecture traits in maize (Zea mays L.). J Exp Bot 2012; 63:261-74. [PMID: 21984652 DOI: 10.1093/jxb/err277] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Leaf morphology in maize is regulated by developmental patterning along three axes: proximodistal, mediolateral, and adaxial-abaxial. Maize contains homologues of many genes identified as regulators of leaf development in other species, but their relationship to the natural variation of leaf shape remains unknown. In this study, quantitative trait loci (QTLs) for leaf angle, leaf orientation value, leaf length, and leaf width were mapped by a total of 256 F(2:3) families evaluated in three environments. Meta-analysis was used to integrate genetic maps and detect QTLs across several independent QTL studies, on the basis of the previously reported experimental results for leaf architecture traits. Candidate gene sequences for leaf architecture were mapped in the integrated consensus genetic map. In total, 21 QTLs and 17 meta-QTLs (mQTLs) were detected. Among these QTLs, qLA1-1 and qLA2 were consistently detected in five and three populations respectively, and six of seven QTLs with contributions (R(2)) >10% were integrated in mQTLs. Six key mQTLs (mQTL1-1, mQTL2-1, mQTL3-3, mQTL5-1, mQTL7-2, and mQTL8-1) with R(2) of some initial QTLs >10% included 4-6 initial QTLs associated with 2-4 traits. Therefore, the chromosome regions for six mQTLs with high QTL co-localization might be hot spots of the important QTLs for the associated traits. Fifteen key candidate genes controlling leaf architecture traits coincided with 11 corresponding mQTLs, namely DWARF4, KAN3, liguleless1, TAC1, ROT3, AS2/liguleless2, PFL2, yabby9/SE/LIC/yabby15, mwp1, CYCD3;2, and CYCB1. In particular, DWARF4, liguleless1, AS2/liguleless2, yabby9/SE/LIC/yabby15, and CYCD3;2 were mapped within the important mQTL1-1, mQTL2-1, mQTL3-3, mQTL5-1, and mQTL7-2 intervals, respectively. Fine mapping or construction of single chromosome segment lines for genetic regions of these five mQTLs is worth further study and could be put to use in marker-assisted breeding. In conclusion, the results provide useful information for further research and help to reveal the molecular mechanisms with regard to leaf architecture traits.
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Affiliation(s)
- L X Ku
- College of Agronomy, Henan Agricultural University and Key Laboratory of Physiological Ecology and Genetic Improvement of Food Crops in Henan Province, Zhengzhou, 450002, China
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Zeng XC, Wu WF, Huang K, Guo SL, Liu TW. Enhanced prothrombin formation and platelet activation in Chinese patients after transcatheter closure of atrial septal defect. Clin Cardiol 2010; 33:E6-9. [PMID: 20552683 DOI: 10.1002/clc.20752] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The objective of this study was to investigate changes in coagulation activation and platelet activation after transcatheter closure of atrial septal defect (ASD) by determining the levels of specific markers over time to provide insight into preventing postprocedural embolism. HYPOTHESIS We hypothesis that the activation status of coagulation and the platelet would be changed after the closure of ASD. METHODS Forty consecutive patients who underwent transcatheter closure of ASD with the Lifetech ASD occluder (Lifetech Scientific, Shenzhen, China) were included in this prospective study. The serum level of prothrombin fragment 1 + 2 (F1 + 2) and expressions of P-selectin (CD62P) and platelet glycoprotein IIb/IIIa receptor (CD41a) on the surface of platelets were evaluated at baseline and at 1 day, 1 month, and 3 months after the closure. RESULTS The median F1 + 2 level was 0.96 nmol/L. This increased to a maximal value of 1.43 nmol/L at 1 day after closure, but gradually returned to the baseline level at 1 month after closure and remained there at 3 months after closure (medians were 0.98 nmol/L and 1.08 nmol/L, respectively). Platelet surface expression of CD62P and CD41a decreased at 1 day, 1 month, and 3 months after closure. For CD62P, average expressions were 8.21% +/- 2.11%, 6.28% +/- 1.72%, 5.29% +/- 1.52%, and 4.41% +/- 1.11%, respectively, for baseline and 1 day, 1 month, and 3 months after closure. For CD41a, average expressions were 79.37% +/- 14.14%, 71.98% +/- 13.77, 56.69% +/- 13.05%, and 54.88% +/- 11.62%, respectively. CONCLUSIONS Transcatheter closure of ASD with the Lifetech ASD occluder was associated with significantly increased coagulation activation and decreased platelet activation. No evidence supporting the use of aspirin to prevent thrombus formation after closure was found.
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Affiliation(s)
- Xiao-Chun Zeng
- Department of Cardiology, The First Affiliated Hospital, Guangxi Medical University, Nanning, People's Republic of China
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Ouyang S, Sun LS, Guo SL, Liu X, Xu JP. Effects of timosaponins on learning and memory abilities of rats with dementia induced by lateral cerebral ventricular injection of amyloid beta- peptide. Di Yi Jun Yi Da Xue Xue Bao 2005; 25:121-6. [PMID: 15698986] [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: 05/01/2023]
Abstract
OBJECTIVE To investigate the effects of timosaponins, one group of the two major components of Anemarrhean asphodeloides Bge, on the learning and memory capacities of rats with dementia induced by amyloid beta-peptide (25-35) [Abeta (25-35)]. METHODS Sixty SD rats were randomized into 6 groups (n=10) and except for those in the control group, all other rats were subjected to lateral cerebral ventriclar injection of aggregated Abeta (25-35) to prepare rat models of dementia. Twenty- four hours after the injection, the rats received intragastric administration of timosaponins at 3 different doses (treatment group) or Ginkgo biloba extract EGB761 on a daily basis for 14 consecutive days. From postoperative days 8 to 14 after Abeta (25-35) injection, Morris water maze test was performed to evaluate the effects of Abeta (25-35) and the therapeutic agents timosaponins on the learning and memory capacity of the rats. On day 14, the level of malonaldehyde (MDA), superoxide dismutase (SOD) activity and total antioxidation capacity in the brain tissue of the rats were measured. RESULTS Abeta (25-35) induced significant learning and memory impairment in the rats, which had lowered SOD activity and total antioxidation capacity (P<0.01) with elevated MDA level (P<0.05). Compared with the rats in dementia model group, those receiving timosaponin treatment at different doses all manifested alleviation of learning and memory impairment (P<0.05), with enhanced SOD activity (P<0.05) and total antioxidation capacity (P<0.01) and reduced MDA level (P<0.05) in the brain tissue. CONCLUSION Timosaponins can remarkably enhance the learning and memory capacities in rats with Abeta (25-35)-induced dementia, presumably in relation to their actions to promote the scavenging of the free radicals.
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Affiliation(s)
- Shi Ouyang
- Department of Pharmacology, Southern Medical University, Guangzhou 510515, China.
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22
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Yuan FS, Guo SL, Qiu ZX, Deng SH, Huang GH. [Effect of dibutyl phthalate on demodicidosis]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2003; 19:160-2. [PMID: 12571942] [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: 02/28/2023]
Abstract
OBJECTIVE To evaluate the curative effect and safety of dibutyl phthalate on demodicidosis. METHODS A single blinded and controlled study of human demodicidosis treated with dibutyl phthalate was conducted. One hundred and forty three patients with demodicidosis, including 81 acne and 62 rosacea, randomly divided into trial and control groups. The trial group was treated with dibutyl phthalate and control group with "new fumanling" cream twice a day in the early morning and evening respectively for six weeks consecutively. RESULTS The rates of excellent, good, and fair efficacy and total effective rate in the trial group with acne were 53.7%, 41.5%, 4.9% and 100% respectively, with a significant difference to the control group (P < 0.05). The rates in the trial group with rosacea were 40.6%, 40.6%, 18.8% and 100% respectively, with no statistical difference to the control group (P > 0.05). No complaint of side effects in the trial group was recorded. CONCLUSION Dibutyl phthalate is highly effective to demodicidosis without prominent adverse reactions.
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Affiliation(s)
- F S Yuan
- Department of Parasitology, Medical Collage of Shandong University, Jinan 250012
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Silverman JM, Smith CJ, Guo SL, Mohs RC, Siever LJ, Davis KL. Lateral ventricular enlargement in schizophrenic probands and their siblings with schizophrenia-related disorders. Biol Psychiatry 1998; 43:97-106. [PMID: 9474442 DOI: 10.1016/s0006-3223(97)00247-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND To investigate possible genetic determinants of ventricular enlargement in schizophrenia, we compared lateral ventricle/brain ratios (VBRs) in schizophrenic patients with their own siblings, some with and some without other schizophrenia-related disorders [e.g., schizotypal personality disorder (SPD)], as well as with a group of unrelated normal controls. METHODS VBRs, measured by computed tomography, were compared in both groupwise and within-sibship analyses, the latter method providing a measure of control over familial/genetic factors related to VBR, but unrelated to schizophrenia. RESULTS The VBRs were significantly different across the groups, but the only significant pairwise group comparison was between the schizophrenia and no-SRD family member groups. In the within-sibship analyses, however, the VBRs of those with SPD and schizophrenia were similar, and both groups had significantly larger VBRs than their own siblings without SRD. In addition, siblings with a negative family history for SRD had larger VBRs than family history positive siblings. CONCLUSIONS The results suggest that specific schizophrenia-related genetic factors may help determine ventricular enlargement in familial schizophrenia. The larger VBRs in family history negative siblings might be attributable to genetic factors not specifically associated with schizophrenia, but which nevertheless increase its susceptibility.
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Affiliation(s)
- J M Silverman
- Department of Psychiatry, Mt. Sinai School of Medicine, New York, New York 10029, USA
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Siever LJ, Rotter M, Losonczy M, Guo SL, Mitropoulou V, Trestman R, Apter S, Zemishlany Z, Silverman J, Horvath TB. Lateral ventricular enlargement in schizotypal personality disorder. Psychiatry Res 1995; 57:109-18. [PMID: 7480378 DOI: 10.1016/0165-1781(95)02645-d] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Although an increase in the ratio of ventricular space to brain (ventricle-brain ratio), VBR) on computed tomography (CT) has been among the most robust findings in chronic schizophrenia, VBR has not been investigated in a large, well-characterized clinical population of patients with schizotypal personality disorder (SPD), a clinical entity with a phenomenologic, gentle biological, and treatment response relationship to chronic schizophrenia. Accordingly, CT scans were obtained in 36 male SPD patients, 23 males with other personality disorders, 133 male schizophrenic patients, and 42 male normal volunteers. The mean body of the lateral VBR was significantly greater in the SPD patients than in the patients with other personality disorders. The VBR of the SPD patients did not differ significantly from either that of the normal volunteers or the schizophrenic patients but was intermediate between the two groups. There were no correlations with either psychotic-like or deficit-related symptoms of SPD in either the SPD or total personality disorder cohorts. SPD patients, like schizophrenic patients, may have increased VBRs compared wit patients with other personality disorders; their VBRs fall between the means of schizophrenic patients and normal control subjects.
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Affiliation(s)
- L J Siever
- Psychiatry Service (116A), Bronx VA Medical Center, NY 10468, USA
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Wang HZ, Chang CH, Su MY, Guo SL. Use of Gore-Tex sling in brow suspension procedure. Gaoxiong Yi Xue Ke Xue Za Zhi 1994; 10:131-7. [PMID: 8176780] [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: 01/29/2023]
Abstract
A variety of materials have been employed for brow suspension surgery for ptosis. Gore-Tex (expanded polytetrafluoroethylene ePTFE) has been used as vascular prosthesis. We have used cylinder Gore-Tex in brow suspension surgery for 15 ptotic eyelids (11 patients), including 10 eyes (8 patients) of congenital ptosis, 1 eye of traumatic ptosis in a young male, and 4 eyes (2 patients) of myogenic ptosis in elderly patients. All of the eyelids had minimal or absent levator muscle function, and drooped to cover the visual axes. The surgical technique for the 10 congenital ptotic eyelids was a modified Fox's method. The remaining 5 adult eyelids were operated by a modified Crawford's method, with interlocking of the two suspension bands at the lower apex of each triangle and direct suturing of the bands to the tarsal plate. The use of Gore-Tex in brow suspension makes it easy to adjust the height and contour of the operated eyelids. Patients were followed-up from 2 to 16 months (average 9.1 months) postoperatively. The only complication was granuloma formation at the most upper knot area in 5 patients (6 eyelids), one of which also had granuloma at the ipsilateral fornix with the Gore-Tex band cutting through the conjunctiva. One eyelid drooped due to knot granuloma and infection.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- H Z Wang
- Department of Ophthalmology, Kaohsiung Medical College, Taiwan, Republic of China
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Guo SL. [Evaluation of the diagnostic capability of a counter table for solitary round shadows in the lung field]. Zhonghua Fang She Xue Za Zhi 1984; 18:124-7. [PMID: 6240382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Lin JY, Guo SL, Nie LC, Wu AR, Wang SZ. Rare case of double light chain disease. Chin Med J (Engl) 1982; 95:865-6. [PMID: 6819926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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