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Li HY, Wang YY, Liu H, Liu HX, Jiang LY, Han YC, Zhou WY, Mao T, Fang WT. [The ninth edition of TNM staging for lung cancer: precise staging for precise diagnosis and treatment]. Zhonghua Wai Ke Za Zhi 2024; 62:537-542. [PMID: 38682624 DOI: 10.3760/cma.j.cn112139-20231210-00262] [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: 05/01/2024]
Abstract
The ninth edition of TNM staging for lung cancer has been announced at the 2023 World Lung Cancer Congress and implemented from January 1, 2024. Te focus of the ninth TNM staging change is dividing N2 into N2a and N2b, as well as M1c into M1c1 and M1c2. Although the T staging has not changed, it has played an important role in verifying the eighth edition of the T staging. The subdivision of stage N2 has led some patients with ⅢA of the eighth edition to experience ascending or descending stages, which will more accurately help to assess the condition and prognosis of patients with mediastinal lymph node metastasis, as well as the design of related clinical studies. Modifying the M1c staging will help define oligometastasis and explore new treatment models in the future. The ninth edition of the TNM staging system provides a more detailed division of different tumor loads, but there is no clear explanation for the staging of lung cancer after neoadjuvant therapy. Further data analysis is needed, and it is expected to be answered in the tenth edition of TNM staging.
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Affiliation(s)
- H Y Li
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Y Y Wang
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - H Liu
- Department of Radiotherapy, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - H X Liu
- Department of Thoracic Surgery, Liaoning Provincial Cancer Hospital, Shenyang 110801, China
| | - L Y Jiang
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Y C Han
- Department of Pathology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - W Y Zhou
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - T Mao
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - W T Fang
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
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Liu P, Ling J, Mao T, Liu F, Zhou W, Zhang G, Xie F. Adhesive and Flame-Retardant Properties of Starch/Ca 2+ Gels with Different Amylose Contents. Molecules 2023; 28:molecules28114543. [PMID: 37299019 DOI: 10.3390/molecules28114543] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 05/30/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
Starch, being renewable and biodegradable, is a viable resource for developing sustainable and environmentally friendly materials. The potential of starch/Ca2+ gels based on waxy corn starch (WCS), normal corn starch (NCS), and two high-amylose corn starches, G50 (55% amylose content) and G70 (68% amylose content) as flame-retardant adhesives has been explored. Being stored at 57% relative humidity (RH) for up to 30 days, the G50/Ca2+ and G70/Ca2+ gels were stable without water absorption or retrogradation. The starch gels with increasing amylose content displayed increased cohesion, as reflected by significantly higher tensile strength and fracture energy. All the four starch-based gels showed good adhesive properties on corrugated paper. For wooden boards, because of the slow diffusion of the gels, the adhesive abilities are weak initially but improve with storage extension. After storage, the adhesive abilities of the starch-based gels are essentially unchanged except for G70/Ca2+, which peels from a wood surface. Moreover, all the starch/Ca2+ gels exhibited excellent flame retardancy with limiting oxygen index (LOI) values all around 60. A facile method for the preparation of starch-based flame-retardant adhesives simply by gelating starch with a CaCl2 solution, which can be used in paper or wood products, has been demonstrated.
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Affiliation(s)
- Peng Liu
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Jiandi Ling
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
| | - Taoyan Mao
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
| | - Feng Liu
- Jiangsu Sanshu Biotechnology Co., Ltd., Nantong 226006, China
| | - Wenzhi Zhou
- Jiangsu Sanshu Biotechnology Co., Ltd., Nantong 226006, China
| | - Guojie Zhang
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou Higher Education Mega Center, Guangzhou 510006, China
| | - Fengwei Xie
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
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Zou M, Mao T, Li M, Mu Y, Pan L, Zheng C. Kinetic model of microwave-induced quaternarization using dimensional analysis. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Sun Y, Xiong W, Cheng W, Wang H, Mao T. Bioinspired Bola Polysiloxane for Wettability, Breathability, and Softness in Fabrics. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yue Sun
- School of Chemistry and Chemical Engineering and Fine Chemical Research Institute, Guangzhou University, Guangzhou 510006, P. R. China
| | - Wencai Xiong
- School of Chemistry and Chemical Engineering and Fine Chemical Research Institute, Guangzhou University, Guangzhou 510006, P. R. China
| | - Wenjing Cheng
- Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Haifeng Wang
- School of Chemistry and Chemical Engineering and Fine Chemical Research Institute, Guangzhou University, Guangzhou 510006, P. R. China
| | - Taoyan Mao
- School of Chemistry and Chemical Engineering and Fine Chemical Research Institute, Guangzhou University, Guangzhou 510006, P. R. China
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Yang Q, Lai X, Ling J, Chen D, Liu P, Mao T, Shang X, Wang L. Facile Preparation of Hydrogel Glue with High Strength and Antibacterial Activity from Physically Linked Network. Int J Pharm 2022; 622:121843. [DOI: 10.1016/j.ijpharm.2022.121843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 05/06/2022] [Accepted: 05/16/2022] [Indexed: 10/18/2022]
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Mao T, Xiao R, Liu P, Chen J, Luo J, Luo S, Xie F, Zheng C. Facile fabrication of durable superhydrophobic fabrics by silicon polyurethane membrane for oil/water separation. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Cheng W, Mao T, Yang R, Han S, Sun M, Cheng G, Zhong Y, Yu L. Synthesis and characterization of bola polyhydroxy silicon quaternary ammonium and colorfastness for cotton fabric. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Xu RH, Wang F, Cui C, Yao J, Zhang Y, Wang G, Feng J, Yang S, Fan Y, Shi J, Zhang X, Shen L, Shu Y, Wang C, Dai T, Mao T, Chen L, Guo Z, Liu B, Pan H. 1373MO JUPITER-06: A randomized, double-blind, phase III study of toripalimab versus placebo in combination with first-line chemotherapy for treatment naive advanced or metastatic esophageal squamous cell carcinoma (ESCC). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1482] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Sun Y, Zou M, Li C, Li X, Mao T, Zheng C. The solubilization of naphthalene using tea saponin as a biosurfactant: Effect of temperature. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sun YF, Jiang HY, Gu HY, He Y, Yang Y, Zhang XB, Yang Y, Hua R, Guo XF, Ye B, Mao T, Li ZG. [Preliminary results of Chinese magnetic sphincter augmentation in treating gastroesophageal reflux disease]. Zhonghua Wai Ke Za Zhi 2020; 58:691-696. [PMID: 32878416 DOI: 10.3760/cma.j.cn112139-20200224-00133] [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 examine the preliminary clinical efficacy of Chinese magnetic sphincter augmentation (MSA) in the treatment of gastroesophageal reflux disease (GERD). Methods: According to the enrollment criteria for the MSA developed by ShengJieKang Co. and Shanghai Chest Hospital (SS-MSA) clinical trial, a total of 19 GERD patients were treated with SS-MSA from August 2018 to January 2020 at Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University. The majority of registered cases were male patients with age of (32.2±7.3) years (range: 22 to 50 years), height of (170.7±6.2) cm (range: 160 to 179 cm) and weight of (65.2±10.3) kg (range: 47.5 to 90.0 kg). SS-MSA was implanted via laparoscopy. The major evaluation indexs of postoperative efficacy were the total time of acid exposure within 24 hours and the total number of reflux. Secondary efficacy indicators included: (1) evaluation of the average daily dose of proton pump inhibitor medications; (2) the score of GERD health related quality of life questionnaire (GERD-Q) before and after MSA implantation. Paired design t-test was used to evaluate the efficacy of the SS-MSA. Results: A total of 19 patients underwent SS-MSA surgery successfully. The history of the GERD were 19 (54) months (M(Q(R))). The operation time was 63 (22) minutes and the in-hospital stay was 3 (2) days. No obvious surgical complications occurred. Postoperative adverse events included 14 cases with mild to moderate dysphagia exited after surgery, gradually eased within 1 to 3 months, 1 case with the removal of the device after 1 month of severe swallowing difficulties, 1 case of diarrhea. No corrosion, perforation, displacement occurred. The GERD-Q score (11.0(4.5) vs. 6(1.0), t=4.274, P=0.013), 24-hour acid exposure time (6.2(4.8)% vs. 0.1(0.9)%, t=5.814, P=0.004), and Demeester score (23.72(16.20) vs. 0.96(3.10), t=6.678, P=0.003) were significantly decreased 1 year after surgery(n=5). Proton pump inhibitor reuse rates were 6/18, 5/15, 3/10, and 1/5 in 1, 3, 6 and 12 months after the operation, respectively. Conclusions: SS-MSA implantation is feasible and safe with short hospital stay and rare perioperative complications. The preliminary results is good after 1 year follow-up. It could be expected to be an ideal substitutive for future GERD treatment.
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Affiliation(s)
- Y F Sun
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - H Y Jiang
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - H Y Gu
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Y He
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Y Yang
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - X B Zhang
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Y Yang
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - R Hua
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - X F Guo
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - B Ye
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - T Mao
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Z G Li
- Section of Esophageal Surgery, Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
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Liu D, Yang X, Liu P, Mao T, Shang X, Wang L. Synthesis and characterization of gemini ester surfactant and its application in efficient fabric softening. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112236] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Zhao Y, Gu Z, Mao T, Fang W. P2.15-06 Pretreatment Neutrophil to Lymphocyte Ratio Predicts Survival in Thymic Carcinoma Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Peng S, Mao T, Zheng C, Wu X, Wei Y, Zeng Z, Xiao R, Sun Y. Polyhydroxyl gemini surfactant-modified montmorillonite for efficient removal of methyl orange. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123602] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Mao T, Wei Y, Zheng C, Cheng W, Zhang Z, Zhu Y, Wang R, Zeng Z. Antibacterial Cotton Fabrics Coated by Biodegradable Cationic Silicone Softeners. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Taoyan Mao
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
| | - Yuan Wei
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
| | - Cheng Zheng
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
- Guangzhou Vocational College of Science and Technology, Guangzhou Guangdong 510550 P. R. China
| | - Wenjing Cheng
- School of Chemical Engineering and Light IndustryGuangdong University of Technology Guangzhou 510006 P. R. China
| | - Zhenqiang Zhang
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
| | - Yiting Zhu
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
| | - Runhao Wang
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
| | - Zhaowen Zeng
- School of Chemistry and Chemical EngineeringGuangzhou University Guangzhou 510006 P. R. China
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Guo XF, Hua R, Sun YF, Yang Y, Ye B, Li B, Gu HY, Zhang XB, Mao T, Li ZG. [Experiences of esophageal replacement with ileocolon graft: a series of 34 cases]. Zhonghua Wai Ke Za Zhi 2019; 56:299-302. [PMID: 29562417 DOI: 10.3760/cma.j.issn.0529-5815.2018.e011] [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 evaluate the safety and effectiveness of esophageal replacement with ileocolon graft. Methods: Totally 34 cases of esophageal replacement with ileocolon graft from July 2015 to November 2017 at Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiaotong University were analyzed retrospectively, including 24 male and 10 female, aging from 7 to 72 years old. Esophageal replacement with ileocolon graft by right and/or middle colic artery as a blood supply using retrosternal route except one subcutaneous route. The primary esophageal disease, postoperative complication rate and quality of life were analyzed. Results: The overall postoperative complication rate was 23.5% (8/34), cervical anastomotic leakage rate of 5.9% (2/34), necrosis of colon graft of 5.9% (2/34). There were 3 patients experienced re-operation including 2 patients with colon graft necrosis and 1 patient with intestinal obstruction after ERC. One patient with colon graft necrosis died of septic shock after reoperation. Six cases of cervical esophago-jejunal anastomosis stenosis and 1 case of diarrhea occurred in the later time. All patients were followed up for a median time of 9 months (range: 1 to 28 months), 32 cases survived but 1 patient died until last follow-up by the end of December 2017. Conclusion: Esophageal replacement with ileocolon graft by right and/or middle colic artery as a blood supply using retrosternal route was safe and effective.
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Affiliation(s)
- X F Guo
- Department of Thoracic Surgery, Shanghai Chest Hospital, Section of Esophageal Cancer, Shanghai Jiaotong University, Shanghai 200030, China
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Huang P, Mao T, Yu Q, Cao Y, Yu J, Zhang G, Hou D. Classification of water contamination developed by 2-D Gabor wavelet analysis and support vector machine based on fluorescence spectroscopy. Opt Express 2019; 27:5461-5477. [PMID: 30876149 DOI: 10.1364/oe.27.005461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 01/13/2019] [Indexed: 06/09/2023]
Abstract
The identification of the specific categories of pollutants in the urban water supply system is necessary. Traditional detection methods are based mainly on common water quality indicators. However, inspecting these water quality indicators is made difficult by issues such as long analysis time, insufficient sensitivity, need for reagents, and generation of waste liquid. These problems hinder high-frequency water detection and monitoring. In this study, three-dimensional (3D) fluorescence spectroscopy is adopted as a monitoring method for water quality. An identification method based on two-dimensional (2D) Gabor wavelets and support vector machine (SVM) multi-classification is also proposed. The Delaunay triangulation method for interpolation is used to pre-process 3D fluorescence spectra and thereby eliminate Rayleigh scattering and Raman scattering. A 2D Gabor wavelet function generated by filters of different scales and rotation angles is proposed to extract the features of the spectra. The block statistics method, based on Gabor feature description, is employed to enhance the efficiency in describing spectra features. Then, multiple SVM classifiers are used in pollutant classification and recognition. By comparing the proposed method with principal component analysis, which is a commonly used feature extraction method, this study finds that the application of 2D Gabor wavelets and block statistics can effectively describe the characteristics of 3D fluorescence spectra. Moreover, 2D Gabor wavelets achieve high classification accuracy, especially for substances with closely positioned or overlapping characteristic peaks.
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Zhao J, Yu QY, Hou F, Fu WW, Chen H, Yang WY, Mao T. [Revision of the process of paraffin-embeded section for the digital endoscopic submucosal dissection surgery evaluation system]. Zhonghua Bing Li Xue Za Zhi 2019; 48:147-149. [PMID: 30695870 DOI: 10.3760/cma.j.issn.0529-5807.2019.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- J Zhao
- Department of Digital Pathology, Institute of Digital Medicine and Computer Surgery, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Q Y Yu
- Department of Digital Pathology, Institute of Digital Medicine and Computer Surgery, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - F Hou
- Department of Pathology, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - W W Fu
- Department of Pathology, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - H Chen
- Endoscopy Center of Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - W Y Yang
- Department of Ophthalmology and Pathology, Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - T Mao
- Endoscopy Center of Affiliated Hospital of Qingdao University, Qingdao 266000, China
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Wei Y, Zheng C, Zhang Z, Zeng Z, Mao T, Long S, Ling H. Synthesis, Surface Properties, and Antibacterial Activity of Novel Ester‐Containing Cationic Silicone Surfactants and Their Utilization as Fabric‐Finishing Agents. J SURFACTANTS DETERG 2018. [DOI: 10.1002/jsde.12211] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yuan Wei
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Cheng Zheng
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
- Guangzhou Vocational College of Science and Technology Guangzhou Guangdong 510550 China
| | - Zhenqiang Zhang
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Zhaowen Zeng
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Taoyan Mao
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Shikang Long
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Hui Ling
- Department of Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
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Wang W, Xiong H, Hu Z, Zhao R, Hu Y, Chen W, Han Y, Yang L, Hu X, Wang C, Mao T, Xia K, Su T. Experimental study on TGF-β1-mediated CD147 expression in oral submucous fibrosis. Oral Dis 2018; 24:993-1000. [PMID: 29457855 DOI: 10.1111/odi.12845] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 12/14/2017] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Although previous evidence indicates that CD147 is closely involved in the progression of organ fibrosis and various signaling pathways have been proven to regulate its expression, the role of CD147 in oral submucous fibrosis (OSF) remains largely unknown. METHODS In this study, we investigated the expression of CD147 and transforming growth factor β1 (TGF-β1) in human samples of an OSF tissue array by immunohistopathology. Pearson's correlation analysis was conducted to explore the correlation between CD147 and TGF-β1. Immunofluorescence and Western blotting were used to investigate to levels of CD147 in Human Oral Keratinocytes (HOKs) followed by TGF-β1 or LY2157299, an inhibitor of TGF-β1 receptor and arecoline stimulation. RESULTS We found that CD147 was highly expressed in both HOKs and the fibrotic oral mucosa and that this expression was correlated with TGF-β1 expression. Additionally, CD147 levels were significantly associated with the fibrosis stage. The TGF-β1 signaling pathway was found to be mainly responsible for CD147 up-regulation after arecoline treatment whereas inhibition of TGF-β1 down-regulated CD147 expression. CONCLUSION Our findings suggest arecoline promotes CD147 expression via the TGF-β1 signaling pathway in HOKs, whereas overexpression of CD147 may promote OSF progression.
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Affiliation(s)
- W Wang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.,Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - H Xiong
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Z Hu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - R Zhao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Y Hu
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - W Chen
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Y Han
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - L Yang
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - X Hu
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - C Wang
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - T Mao
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - K Xia
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - T Su
- Centre of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Wei Y, Zheng C, Chen P, Yu Q, Mao T, Lin J, Liu L. Synthesis of multiblock linear polyether functional amino silicone softener and its modification of surface properties on cotton fabrics. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2375-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Mao T, Yang M, Yang J, Luo X, Ji Y, Wang Y, Zhou G. 0199 Effect Of Short-term Ambient Light Exposure On Subjective Sleepiness. Sleep 2018. [DOI: 10.1093/sleep/zsy061.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T Mao
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - M Yang
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - J Yang
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - X Luo
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - Y Ji
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - Y Wang
- School of Psychology, South China Normal University, Guangzhou, CHINA
| | - G Zhou
- Institute of Electronic Paper Displays and Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, CHINA
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Liu M, Mao T, Zhang Y, Wu X, Liu F, Yang H, Wang J, Zheng C, Zhao X, Wang Z. General Water-Based Strategy for the Preparation of Superhydrophobic Coatings on Smooth Substrates. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b04105] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Minhuan Liu
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Taoyan Mao
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Yichun Zhang
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Xu Wu
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Fanghui Liu
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Colloid,
Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Hui Yang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Colloid,
Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jinben Wang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Colloid,
Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Cheng Zheng
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Xiaozhen Zhao
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Zhengping Wang
- Department
of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
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23
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Hua R, Mao T, Li Z. P-141IMPACT OF NARROW GASTRIC CONDUIT ON SHORT-TERM OUTCOME FOLLOWING THORACO-LAPAROSCOPIC OESOPHAGECTOMY. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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24
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Nie K, Mao T, Shi L, Yue N, Jabbour S, Kim S, Hu X, Qian L, Sun X, Niu T. SU-F-R-34: Quantitative Perfusion Measurement in Rectal Cancer Using Three Different Pharmacokinetic Models: Implications for Prospective Study Design. Med Phys 2016. [DOI: 10.1118/1.4955806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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25
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Bai Y, Wu P, Mao T, Gong S, Wang J, Sheng K, Xie Y, Niu T. SU-D-206-04: Iterative CBCT Scatter Shading Correction Without Prior Information. Med Phys 2016. [DOI: 10.1118/1.4955658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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26
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Wu P, Mao T, Gong S, Wang J, Sheng K, Xie Y, Niu T. SU-D-206-03: Segmentation Assisted Fast Iterative Reconstruction Method for Cone-Beam CT. Med Phys 2016. [DOI: 10.1118/1.4955657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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27
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Nie K, Shi L, Yue N, Jabbour S, Kim S, Mao T, Qian L, Hu X, Sun X, Niu T. SU-F-R-48: Early Prediction of Pathological Response of Locally Advanced Rectal Cancer Using Perfusion CT:A Prospective Clinical Study. Med Phys 2016. [DOI: 10.1118/1.4955819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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28
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Chen QZ, Sun YC, Chen J, Kong J, Gong YP, Mao T. Comparative study of functional and aesthetically outcomes of reverse digital artery and reverse dorsal homodigital island flaps for fingertip repair. J Hand Surg Eur Vol 2015; 40:935-43. [PMID: 25862526 DOI: 10.1177/1753193415579300] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [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: 10/06/2014] [Accepted: 01/18/2015] [Indexed: 02/03/2023]
Abstract
UNLABELLED This retrospective study was designed to compare functional and cosmetic outcomes of the reverse digital artery island flap and reverse dorsal homodigital island flap in fingertip repair. A total of 23 patients were followed for 24 to 30 months. The reverse digital artery island flap was used in 12 patients, and reverse dorsal homodigital island flap in another 11 patients. Flap sensibility was assessed using the Semmes-Weinstein monofilament test and static 2-point discrimination test. Patient satisfaction, active motion of the finger joints, complications and cold intolerance were evaluated. The static 2-point discrimination and Michigan Hand Outcomes Questionnaire (appearance) of the fingers treated with a reverse digital artery flap were significantly better than those with a reverse dorsal homodigital flap. The static 2-point discrimination of the skin-grafted donor sides after dorsal homodigital flap were poorer than that in the contralateral finger. No significant differences were found between the two flaps for pressure or touch sensibility, active ranges of digital motion, complications and cold intolerance. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Q Z Chen
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
| | - Y C Sun
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
| | - J Chen
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
| | - J Kong
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
| | - Y P Gong
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
| | - T Mao
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Jiangsu, China
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Wu P, Mao T, Xie S, Sheng K, Niu T, Niu T. WE-G-207-09: A Practical Bowtie Ring Artifact Correction Algorithm for Cone-Beam CT. Med Phys 2015. [DOI: 10.1118/1.4926102] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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30
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He C, Mao T, Feng Y, Song T, Qin C, Yan R, Feng P. Anti-CII antibody as a novel indicator to assess disease activity in systemic lupus erythematosus. Lupus 2015; 24:1370-6. [PMID: 26048288 DOI: 10.1177/0961203315588970] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Accepted: 05/06/2015] [Indexed: 11/16/2022]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder that affects a variety of organ systems. Anti-dsDNA Abs and complement factors have been used as indicators of lupus activity for more than 50 years. A novel indicator of activation in SLE is reported in this paper. Anti-collagen type II (CII) Ab was obviously elevated in patients with SLE compared to those patients with ankylosing spondylitis (AS) and healthy controls (HCs). Anti-CII-Ab-positive patients with SLE showed significantly higher levels of serum IgG and higher titers of ANA but lower levels of C3 and C4 than controls. A positive correlation was demonstrated between anti-CII Ab and serum IgG in SLE patients (r = 0.50, p < 0.0001). The negative correlations of anti-CII Ab with C3 and C4 were observed in SLE patients (r = -0.36, p = 0.0013; r = -0.37, p = 0.0006, respectively). The reduced anti-CII Ab level was accompanied by decreased level of serum IgG and increased levels of C3 and C4 after regular treatment. Therefore, anti-CII Ab could be a novel indicator for monitoring activity of SLE.
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Affiliation(s)
- C He
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - T Mao
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Y Feng
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - T Song
- Department of Clinical Nutrition, 302 Hospital of PLA, Beijing, China
| | - C Qin
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - R Yan
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - P Feng
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China
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Xue Y, Wang L, Xia D, Li Q, Gao S, Dong M, Cai T, Shi S, He L, Hu K, Mao T, Duan X. Dental Abnormalities Caused by Novel Compound Heterozygous CTSK Mutations. J Dent Res 2015; 94:674-81. [PMID: 25731711 DOI: 10.1177/0022034515573964] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [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: 11/17/2022] Open
Abstract
Cathepsin K (CTSK) is an important protease responsible for degrading type I collagen, osteopontin, and other bone matrix proteins. The mutations in the CTSK gene can cause pycnodysostosis (OMIM 265800), a rare autosomal recessive bone dysplasia. Patients with pycnodysostosis have been reported to present specific dental abnormalities; however, whether these dental abnormalities are related to dysfunctional CTSK has never been reported. Here we investigated the histologic changes of cementum and alveolar bone in a pycnodysostosis patient, caused by novel compound heterozygous mutations in the CTSK gene (c.87 G>A p.W29X and c.848 A>G p.Y283C). The most impressive manifestations in tooth were extensive periradicular high-density clumps with unclear periodontal space by orthopantomography examination and micro-computed tomography scanning analysis. Hematoxylin/eosin and toluidine blue staining and atomic force microscopy analysis showed that the cementum became significantly thickened, softened, and full of cementocytes. The disorganized bone structure was the main character of alveolar bone. The p.W29X mutation may represent the loss-of-function allele with an earlier termination codon in the precursor CTSK polypeptide. Residue Y283 is highly conserved among papain-like cysteine proteases. Three-dimensional structure modeling analysis found that the loss of the hydroxybenzene residue in the Y283C mutation would interrupt the hydrogen network and possibly affect the self-cleavage of the CTSK enzyme. Furthermore, p.Y283C mutation did not affect the mRNA and protein levels of overexpressed CTSK in COS-7 system but did reduce CTSK enzyme activity. In conclusion, the histologic and ultrastructural changes of cementum and alveolar bone might be affected by CTSK mutation via reduction of its enzyme activity (clinical trial registration: ChiCTR-TNC-10000876).
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Affiliation(s)
- Y Xue
- State Key Laboratory of Military Stomatology, Department of Oral Biology, Clinic of Oral Rare and Genetic Diseases, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - L Wang
- Department of Molecular Biology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - D Xia
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus C, Denmark
| | - Q Li
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus C, Denmark
| | - S Gao
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus C, Denmark
| | - M Dong
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus C, Denmark
| | - T Cai
- Oral Infection and Immunity Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - S Shi
- Center for Craniofacial Molecular Biology, University of Southern California School of Dentistry, Los Angeles, CA, USA
| | - L He
- State Key Laboratory of Military Stomatology, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - K Hu
- State Key Laboratory of Military Stomatology, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - T Mao
- State Key Laboratory of Military Stomatology, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - X Duan
- State Key Laboratory of Military Stomatology, Department of Oral Biology, Clinic of Oral Rare and Genetic Diseases, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
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Zhu L, Chen X, Xu Z, Xu L, Mao T, Zhang H. Changes and clinical significance of peripheral blood helper T lymphocyte and natural killer (NK) cells in unexplained recurrent spontaneous abortion (URSA) patients after abortion and successful pregnancy. CLIN EXP OBSTET GYN 2015. [DOI: 10.12891/ceog1789.2015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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34
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Zhu LY, Chen X, Xu ZZ, Xu L, Mao T, Zhang H. Changes and clinical significance of peripheral blood helper T lymphocyte and natural killer (NK) cells in unexplained recurrent spontaneous abortion (URSA) patients after abortion and successful pregnancy . CLIN EXP OBSTET GYN 2015; 42:62-66. [PMID: 25864284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE This study aims to investigate the number changes and the clinical significance of the peripheral blood T lymphocyte subsets and NK (natural killer) cells in unexplained recurrent spontaneous abortion (URSA) patients before and after abortion, as well as after successful pregnancy. MATERIALS AND METHODS Thirty-nine URSA patients (URSA-abortion group), among who 22 patients were followed up until the final successful parturition (URSA-pregnancy group), 31 normal-pregnancy (NP) cases and 25 normal non-pregnancy (NNP) control cases in which the peripheral blood T lymphocytes and subsets, B cells, and NK cells were assessed flow cytometry. RESULTS Compared with the URSA-pregnancy group and the NP group, the Th cells and NK cells of the URSA-abortion group increased (p < 0.05); compared with the NNP group, the total number of T cells decreased after the first, second, and third month of the URSA abortion (p < 0.05); Th cells decreased within one to six months of the URSA abortion (p < 0.05); proportion of NK cells was significantly higher in URSA patients (p < 0.05). CONCLUSION The abnormal numbers of the peripheral blood T cell subsets and NK cells were related with the occurrence of URSA.
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Liu C, Mao T. 189: Characterization of ovarian carcinoma-associated fibroblasts: The capability in predicting tumor aggressiveness. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)50162-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Gu Z, Fang W, Guo X, Ji C, Mao T. F-064 * COMPARISON OF PULMONARY FUNCTION AFTER VIDEO-ASSISTED THORACOSCOPIC LOBECTOMY AND LIMITED RESECTIONS FOR EARLY STAGE LUNG CANCER. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu167.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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37
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Fang W, Guo X, Mao T, Gu Z. Radically resected node-negative squamous cell carcinoma of thoracic esophagus: recurrence pattern and indication for adjuvant therapy. J Cardiothorac Surg 2013. [PMCID: PMC3845860 DOI: 10.1186/1749-8090-8-s1-o88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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38
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Zhang S, Mao T, Chen F. Influence of platelet-rich plasma on ectopic bone formation of bone marrow stromal cells in porous coral. Int J Oral Maxillofac Surg 2011; 40:961-5. [DOI: 10.1016/j.ijom.2011.02.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2008] [Revised: 12/03/2010] [Accepted: 02/01/2011] [Indexed: 10/18/2022]
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Abstract
In this paper, the effect of sonication on the UV disinfection kinetics of primary effluents was investigated. Wastewater samples were collected from local municipal treatment plants and were sonicated with a 20-kHz ultrasound reactor at constant power but varying sonication times. Sonicated samples were irradiated using low-pressure UV light to obtain the UV dose-response curves (DRC). Results showed that sonication improved the UV disinfection of primary effluents by (1) increasing the initial slope of DRC (i.e., k1) and (2) decreasing the tailing level of the UV dose-response curve (i.e., beta). This improvement was confirmed to be caused by the breakage of large particles (> 60 microm) that are known to protect coliforms from UV photons. It also was found that the log reduction of the tailing level of DRC was directly proportional to the log reduction of the number of large particles (> 60 microm) present in the effluent sample. Although the number of large particles was proportional to the coliform count at high UV dosage, the proportionality constant varied from 0.05 to 0.25, depending on the sample.
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Affiliation(s)
- H N Yong
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Ontario, Canada
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Chen F, Feng X, Wu W, Ouyang H, Gao Z, Cheng X, Hou R, Mao T. Segmental bone tissue engineering by seeding osteoblast precursor cells into titanium mesh-coral composite scaffolds. Int J Oral Maxillofac Surg 2007; 36:822-7. [PMID: 17804199 DOI: 10.1016/j.ijom.2007.06.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [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: 06/12/2006] [Revised: 01/16/2007] [Accepted: 06/25/2007] [Indexed: 11/19/2022]
Abstract
The size and specific shape of bone grafts are important for jaw reconstruction. In this experiment, segmental bone grafts were engineered in a predetermined shape via seeding osteoblast precursor cells into titanium mesh-coral composite scaffolds. Titanium meshes were moulded into the shape of a column with length 12 mm and diameter 8mm. The column was filled with natural coral granules and the complex acted as a cell-seeding scaffold. About 4 x 10(7) osteoblast precursor cells in 200 microl cell-culture medium were seeded into each of six scaffolds and incubated in vitro for 2 days. Then, the composites were implanted subcutaneously into the backs of nude mice and incubated in vivo. Two months after implantation, the animals were killed and new bone formed in the scaffolds was investigated by gross inspection, X-ray examination, histological observation and mechanical testing. The results showed that newly formed tissue was red and presented the gross appearance of bone, and kept the original shape of the column. Titanium mesh was situated on the surface of the bone graft. An X-ray blocking shadow was observed in and around the titanium scaffolds; most of the coral granules had been absorbed. Histological observation demonstrated a large amount of new bone formed and integrated well with titanium mesh. Mechanical testing showed that new bone improved the mechanical property of the graft significantly. In conclusion, a titanium mesh-coral composite scaffold with osteoblast precursor cells is an efficient means to engineer segmental bone, possessing the desired shape and mechanical strength.
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Affiliation(s)
- F Chen
- Xi'da-RegeMed Lab of Tissue Engineering, Faculty of Life Science, Northwest University, Xi'an 710069, PR China.
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Abstract
A major limitation of anaerobic sludge digestion is the long hydraulic retention time (HRT) required for satisfactory stabilization which results in large digester size. This study explored a possibility of operating digesters at shortened HRTs by sonication pretreatment of secondary sludges. Four identical digesters designated D1, D2, D3 and D4 were fed with untreated and sludge sonicated at densities of 0.18 W/ml, 0.33 W/ml and 0.52 W/ml, respectively. All digesters were operated at three HRTs of 8-day, 4-day and 2-day. Comparing with the control digester (D1), total solids removal efficiencies improved by 12-19%, 17-36% and 20-39% in digesters D2, D3 and D4, respectively. The volatile solids removal was also increased by 11-21%, 17-33% and 19-36% in the respective digesters. The improved solids degradation corresponded with increase in biogas production by 1.4-2.5, 1.9-3.0 and 1.6-3.1 times, respectively. Increase in methane composition by 2-17% was also noted in all digesters fed with sonicated sludge. An analysis indicated that sonication pretreatment could enhance degradation of carbon, nitrogen and sulfur substances in the digestion. The study suggested that sonication of sludge is a possible pretreatment to shorten the digester operating HRT with improvement in solids degradation, biogas production and methane content. It can be deduced that to maintain a consistent solids loading at a desire performance, sludge digester with smaller size can be designed.
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Affiliation(s)
- T Mao
- Division of Environmental and Water Resources Engineering, School of Civil and Environmental Engineering, Block N1 # B4-06, Nanyang Technological University, Nanyang Avenue, Singapore 639798.
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Zhou JB, Wang TG, Huang YB, Mao T, Zhong NN. Seasonal variation and spatial distribution of polycyclic aromatic hydrocarbons in atmospheric PM10 of Beijing, People's Republic of China. Bull Environ Contam Toxicol 2005; 74:660-6. [PMID: 16094879 DOI: 10.1007/s00128-005-0634-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Affiliation(s)
- J B Zhou
- Laboratory of Environmental Science and Geochemistry, College of Natural Resources and Information Technology, University of Petroleum, Beijing 102249, People's Republic of China
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Mao T, Hong SY, Show KY, Tay JH, Lee DJ. A comparison of ultrasound treatment on primary and secondary sludges. Water Sci Technol 2004; 50:91-97. [PMID: 15580999] [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: 05/24/2023]
Abstract
Ultrasound treatment of primary and secondary sludges was conducted to improve the qualities of sludges for the anaerobic digestion. The impacts of different sonication times, sonication densities and solids concentrations on ultrasonication efficiency were examined. The experimental results indicated that the significant reduction in particle size and increase in soluble organics could be achieved, implying that ultrasonication could offer a feasible treatment method to efficiently disintegrate sludge. The greater decrease in particle size and increase in soluble organics of sludge indicated that the secondary sludge has a more remarkable improvement after sonication over the primary sludge. With respects to the extent of disintegration and energy consumption, higher sonication density performed more effectively in terms of specific energy. There exists an optimal solids concentration range for both the sludges for optimum sonication. Within the optimal solids concentration range, efficient sonication can be effected and sludge would be disintegrated efficiently. The ultrasound would be attenuated by scattering and absorption if the solids concentration exceeds the optimal range. It appeared from the study that the mechanical shear forces caused by ultrasonic cavitation could be a key factor for sludge disintegration and collapse of cavitation bubbles could significantly alter the sludge characteristics.
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Affiliation(s)
- T Mao
- Division of Environmental and Water Resources Engineering, School of Civil and Environmental Engineering, Nanyang Technological University, Block N1 #B4-04, Nanyang Avenue, 639798, Singapore.
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Abstract
Temperature-dependent polymerising polyethylene oxide hydrogel was used as a vehicle to deliver bone marrow mesenchymal cells by injection in six nude mice, four mice acting as controls, to study generation of new bone in the cell-hydrogel complex. Mesenchymal cells were harvested by in vitro cell culture, and cells were seeded into polyethylene oxide solution. The density of the suspension was adjusted to 5 x 10(7)ml(-1). The hydrogel was obtained by adjusting the temperature to over 6 degrees C. Aliquots of 0.5 ml of the cell-hydrogel complexes were injected subcutaneously into the backs of the six experimental mice, and 0.5 ml of hydrogel alone was injected into the four controls. Generation of new bone was studied by gross inspection, radiographs, and histological examination. Two months after injection hard nodes had formed subcutaneously in all six mice, whereas in the control group the hydrogel had been absorbed completely and only soft tissue was present at the site of injection. A shadow could be seen on the radiographs of all cell-seeded mice. On histological examination of the nodes there was trabecular bone and some areas of neocartilage. This method of generating new bone might be of potential clinical use.
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Affiliation(s)
- F Chen
- Department of Oral and Maxillofacial Surgery, Dental School, Qin Du Hospital, Fourth Military Medical University, Kang Fu Road #7, Xi'an 710032, PR China.
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Zhang J, Fu S, Liu S, Mao T, Xiu R. The therapeutic effect of Ginkgo biloba extract in SHR rats and its possible mechanisms based on cerebral microvascular flow and vasomotion. Clin Hemorheol Microcirc 2001; 23:133-8. [PMID: 11321432] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
This paper aimed to investigate the therapeutic effect of an extract of Ginkgo biloba leaves (EGb 761) on hypertension and its possible mechanisms in the view of cerebral microcirculation. Twenty normotensive rats and 24 SHR rats were used. Surgical preparation was made to produce a cranial window for observation of the capillary network on the cerebral cortex. The intravital videomicroscopy equipped with digital image processing system and laser Doppler flowmeter were used for this study. The arterial blood pressure, red cell velocity (V), microvacular diameter (D), number of open capillaries (OCN), circulating endothelial cells (CEC) in blood, relative blood flow (Flow) and frequency (Fc), amplitude (AMP) of vasomotion were measured. The obtained data were compared between EGb-treated rats that received per os 100 mg/kg/d for 9 days and placebo control rats. Untreated SHR rats showed very severe dysfunction in the microcirculation with high blood pressure (213 +/- 16.7 mmHg). The blood pressure decreased significantly to 153 +/- 20 mmHg in EGb-treated SHRs group, compared with those of untreated rats (p < 0.01). Both normotensive and hypertensive rats increased the blood flow velocity and LDF flow after EGb-treatment. The vasomotion property, the CEC and OCN changed greatly in EGb-treated SHR rats, but no significant difference was observed in normotensive rats. It was suggested that EGb 761 had therapeutic effect on SHR rats by increasing blood perfusion, regulating vasomotion function, opening efficiently capillaries and releasing the peripheral resistance. The injured vascular endothelium of SHR rats was also partly reversed by EGb-treatment. It was concluded that EGb 761 could be used to regulate hypertension and to protect the cerebral microcirculatory function.
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Affiliation(s)
- J Zhang
- Institute of Microcirculation, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing.
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Wang C, Wang Q, Mao T, Wang H, Zhu X. [The construction and physical-mechanical characterization of polymer foams of D. L-PLA]. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 2000; 17:396-9. [PMID: 11211823] [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: 02/19/2023]
Abstract
This study was intended to construct biogradable polymer foam used in tissue engineering. The D. L-PLA was supplied by chengdu institute of organic chemistry. Biogradable polymer membranes were prepared with a novel solvent-casting particulate-leaching technique, then, the constituent membranes with the proper order were laminated to produce three-dimensional foams with continuous pore structure and morphology. Afterwards, the physical-mechanical property of polymer foams were tested. The test results indicated that the lamination process did not change the physical-mechanical property of the polymer membranes.
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Affiliation(s)
- C Wang
- Institute of Basic Medical Science, Academy of Military Medical Science, Beijing 100850
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Ma Q, Mao T, Liu B, Zhao J, Chen F, Wang H, Zhao M. Vascular osteomuscular autograft prefabrication using coral, type I collagen and recombinant human bone morphogenetic protein-2. Br J Oral Maxillofac Surg 2000; 38:561-4. [PMID: 11010796 DOI: 10.1054/bjom.2000.0458] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In 20 male Sprague-Dawley rats, 10 pieces of L-shaped coral combined with type I collagen and recombinant human bone morphogenetic protein-2 (rhBMP-2) and 10 discs (diameter 5 mm) were wrapped in the gracilis muscle, and left pedicled on the femoral vessels. Untreated coral was buried in muscle at a distant control site in 4 animals. After 3 weeks, autografts were examined for the shape of new bone, vascular patency, and induction of bone. In all grafts in viable tissue, heterotopic bone was formed. The shape of the new bone was the same as that of the coral, and there was no significant inflammatory reaction. Part of the coral in the composite was absorbed. Bone was not formed in any of the control sites. Coral and type 1 collagen are effective as a carrier for BMP to prefabricate vascular osteomuscular autografts with designed shape. There is a potential clinical application for BMP to bioengineer microvascular free flaps with intrinsic skeletal muscle for maxillofacial reconstruction.
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Affiliation(s)
- Q Ma
- Department of Oral and Maxillofacial Surgery, Dental School, Fourth Military Medical University, Xi'an, People's Republic of China
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Abstract
Dense deposit disease (DDD) is a less common form of membranoproliferative glomerulonephritis (MPGN). The disease occurs predominantly in children and young adults and the prognosis is variable. DDD varies considerably in incidence among different populations and has not been reported in Chinese. Herein we reported 2 cases of DDD in young Chinese girls in Taiwan. Although 1 case (case 2) had mild hypertension, both patients had asymptomatic proteinuria and ran a benign course of 8 and 14 years, respectively. The histological features of case 1 resembled membranous glomerulonephritis (MGN) on hematoxylin-eosin stain, but revealed DDD on periodic acid Schiff and chromotrope-2R silver methenamine stains. Whereas case 2 showed focal MPGN on light microscopy, she had a fine granular immunofluorescence pattern resembling MGN. Characteristic intramembranous dense deposits were demonstrated by electron microscopy in the basement membranes of the glomeruli, Bowman's capsules and the renal tubules. Both patients were followed closely, and had stable normal renal function 1 year after renal biopsy.
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Affiliation(s)
- T Mao
- Department of Pathology, National Taiwan University Hospital, Taipei, Taiwan
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Abstract
We examined whether cocoa, in its isolated procyanidin fractions (monomer through decamer), would modulate cytokine production at the levels of transcription and protein secretion in both resting and phytohemagglutinin (PHA)-stimulated peripheral blood mononuclear cells (PBMC). In resting cells, interleukin (IL)-1beta and IL-4 gene expression from cocoa-treated cells varied markedly among the subjects tested. However, at the protein level, the larger fractions (pentamer through decamer) stimulated a dramatic increase in IL-1beta concentration (up to ninefold) with increasing degree of polymerization. Similarly, these larger fractions augmented IL-4 concentration by as much as 2 pg/ml, whereas the control displayed levels nearly undetectable. In the presence of PHA, gene expression also seemed to be most affected by the larger procyanidin fractions. The pentameric through decameric fractions increased IL-1 beta expression by 7-19% compared with PHA control, whereas the hexameric through decameric fractions significantly inhibited PHA-induced IL-4 transcription in the range of 71-86%. This observation at the transcription level for IL-1 beta was reflected at the protein level in PHA-stimulated PBMC. Significant reductions in mitogen-induced IL-4 production were also seen at the protein level with the hexamer, heptamer and octamer. Individual oligomeric cocoa fractions were unstimulatory for IL-2 in resting PBMC. However, when induced with PHA, the pentamer, hexamer and heptamer fractions caused a 61-73% inhibition in IL-2 gene expression. This study offers additional data for the consideration of the health benefits of dietary polyphenols from a wide variety of foods, including those benefits associated specifically with cocoa and chocolate consumption.
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Affiliation(s)
- T Mao
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis, Davis, California 95616, USA
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