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Tian S, Liu Y, Mao X, Xu X, Wang C, Han G, Yang Y, Wang J, He SM, Zhang W. A Multicenter Study on Deep Learning for Glioblastoma Auto-Segmentation with Prior Knowledge in Multimodal Imaging. Int J Radiat Oncol Biol Phys 2023; 117:e488. [PMID: 37785541 DOI: 10.1016/j.ijrobp.2023.06.2299] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) A precise radiotherapy plan is required to ensure accurate delineation of gross tumor volumes (GTV) and clinical target volumes (CTV1 and CTV2) of glioblastomas (GBMs). However, traditional manual delineation is labor intensive and highly dependent on oncologists' experience. To construct and evaluate a deep learning-based automatic delineation method using prior knowledge in multimodal medical imaging to automate precise GTV, CTV1 and CTV2 contouring in GBM patients. MATERIALS/METHODS We retrospectively collected the CT and MRI scans of 55 eligible patients with histologically proven high-grade glioma (HGG) from an institute, these scans were performed with non-enhanced CT (CT), contrast-enhanced T1-weighted (T1C) and T2-FLAIR (T2F) sequences. We proposed a two-stage automatic segmentation framework (PKMI-Net) for GTV, CTV1 and CTV2 based on deep learning using prior knowledge in multimodal medical imaging, and its segmentation performance was evaluated with dice similarity coefficient (DSC), 95% Harsdorff distance (HD95), average surface distance (ASD) and relative volume difference (RVD). To further investigate the generalizability of our method, we designed and conducted two evaluation strategies (Mix and Cross) on four multicenter datasets (including 55 patients, 37 patients, 21 patients and 35 patients). RESULTS The evaluation results with an 11-patient test set from the single institute were summarized in Table 1, the proposed method demonstrated the best accuracy in segmenting, respectively, GTV, CTV1 and CTV, achieving a DSC of 0.94, 0.95 and 0.92; HD95 of 2.07 mm, 1.18 mm and 3.80 mm; ASD of 0.69 mm, 0.39 mm and 1.13 mm and RVE of 5.50%, 3.97% and 9.68%. In the multicenter evaluation, the segmentation performance of our method implemented with the Cross strategy was comparable to that with the Mix strategy, demonstrating that our method had high and stable generalizability across multicenter datasets in automatically segmenting GTV, CTV1 and CTV2. CONCLUSION Our proposed method achieved promising results in automatically segmenting gliomas across various datasets, which could improve the quality and efficiency of glioblastoma radiotherapy.
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Affiliation(s)
- S Tian
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - Y Liu
- United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China
| | - X Mao
- Radiotherapy Center, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - X Xu
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - C Wang
- Department of Oncology, Sanya Central Hospital, Sanya, China
| | - G Han
- Department of Radiation Oncology, Hubei Cancer Hospital, Wuhan, China
| | - Y Yang
- Department of Radiation Oncology, Peking University International Hospital, Beijing, China
| | - J Wang
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - S M He
- United Imaging Research Institute of Intelligent Imaging, Beijing, China
| | - W Zhang
- Shanghai United Imaging Healthcare Technology Co., Ltd, ShangHai, China
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Yu H, Li M, Deng Y, Fu S, Guo J, Zhao H, Zhang J, Dang S, Zhang P, Zhou J, Liu D, Wang D, Zhang C, Hao M, Xu X. Chemically bonded multi-nanolayer inorganic aerogel with a record-low thermal conductivity in a vacuum. Natl Sci Rev 2023; 10:nwad129. [PMID: 37671327 PMCID: PMC10476891 DOI: 10.1093/nsr/nwad129] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 01/06/2023] [Revised: 04/03/2023] [Accepted: 04/27/2023] [Indexed: 09/07/2023] Open
Abstract
Inorganic aerogels have exhibited many superior characteristics with extensive applications, but are still plagued by a nearly century-old tradeoff between their mechanical and thermal properties. When reducing thermal conductivity by ultralow density, inorganic aerogels generally suffer from large fragility due to their brittle nature or weak joint crosslinking, while enhancing the mechanical robustness by material design and structural engineering, they easily sacrifice thermal insulation and stability. Here, we report a chemically bonded multi-nanolayer design and synthesis of a graphene/amorphous boron nitride aerogel to address this typical tradeoff to further enhance mechanical and thermal properties. Attributed to the chemically bonded interface and coupled toughening effect, our aerogels display a low density of 0.8 mg cm-3 with ultrahigh flexibility (elastic compressive strain up to 99% and bending strain up to 90%), and exceptional thermostability (strength degradation <3% after sharp thermal shocks), as well as the lowest thermal conductivities in a vacuum (only 1.57 mW m-1 K-1 at room temperature and 10.39 mW m-1 K-1 at 500°C) among solid materials to date. This unique combination of mechanical and thermal properties offers an attractive material system for thermal superinsulation at extreme conditions.
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Affiliation(s)
- Hongxuan Yu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Menglin Li
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China
| | - Yuanpeng Deng
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Shubin Fu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Jingran Guo
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Han Zhao
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Jianing Zhang
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Shixuan Dang
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Pengyu Zhang
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Jian Zhou
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Dizhou Liu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Duola Wang
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Chuanwei Zhang
- Key Lab of Aerospace Bearing Technology and Equipment of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Menglong Hao
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China
| | - Xiang Xu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
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Ren Y, Kong W, Liu Y, Yang X, Xu X, Qiang L, Mi X, Zhang C, Niu H, Wang C, Wang J. Photocurable 3D-Printed PMBG/TCP Scaffold Coordinated with PTH (1-34) Bidirectionally Regulates Bone Homeostasis to Accelerate Bone Regeneration. Adv Healthc Mater 2023; 12:e2300292. [PMID: 37354129 DOI: 10.1002/adhm.202300292] [Citation(s) in RCA: 1] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 06/15/2023] [Indexed: 06/26/2023]
Abstract
Bone defect repair remains a major clinical challenge that requires the construction of scaffolds that can regulate bone homeostasis. In this study, a photo-cured mesoporous bioactive glass (PMBG) precursor is developed as a tricalcium phosphate (TCP) agglomerant to obtain a double-phase PMBG/TCP scaffold via 3D printing. The scaffold exhibits multi-scale porous structures and large surface areas, making it a suitable carrier for the loading of parathyroid hormone (PTH) (1-34), which is used for the treatment of osteoporosis. In vitro and in vivo results demonstrate that PMBG/TCP scaffolds coordinated with PTH (1-34) can regulate bone homeostasis in a bidirectional manner to facilitate bone formation and inhibit bone resorption. Furthermore, bidirectional regulation of bone homeostasis by PTH (1-34) is achieved by inhibiting fibrogenic activation protein (FAP). Thus, PMBG/TCP scaffolds coordinated with PTH (1-34) are viable materials with considerable potential for application in the field of bone regeneration and provide an excellent solution for the design and development of clinical materials.
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Affiliation(s)
- Ya Ren
- Southwest Jiaotong University College of Medicine, No. 111, Second Ring Road, North Section 1, Chengdu, 610036, P. R. China
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
| | - Weiqing Kong
- Department of Spinal Surgery, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong Province, 266000, P. R. China
| | - Yihao Liu
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
| | - Xue Yang
- Southwest Jiaotong University College of Medicine, No. 111, Second Ring Road, North Section 1, Chengdu, 610036, P. R. China
| | - Xiang Xu
- Southwest Jiaotong University College of Medicine, No. 111, Second Ring Road, North Section 1, Chengdu, 610036, P. R. China
| | - Lei Qiang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Xuelian Mi
- Southwest Jiaotong University College of Medicine, No. 111, Second Ring Road, North Section 1, Chengdu, 610036, P. R. China
| | - Changru Zhang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
- Institute of Translational Medicine, Shanghai Jiaotong University, No. 800 DongChuan Road, Shanghai, 200240, P. R. China
| | - Haoyi Niu
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
| | - Chengwei Wang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
- Shanghai Beierkang Biomedical Technology Co. LTD, No. 515 Shennan Rd, Shanghai, 201108, P. R. China
| | - Jinwu Wang
- Southwest Jiaotong University College of Medicine, No. 111, Second Ring Road, North Section 1, Chengdu, 610036, P. R. China
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, P. R. China
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Wang K, Gao FQ, Xu X. [The clinical practice and consideration for donor liver expansion]. Zhonghua Wai Ke Za Zhi 2023; 61:826-832. [PMID: 37653983 DOI: 10.3760/cma.j.cn112139-20230607-00228] [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: 09/02/2023]
Abstract
Liver transplantation is the most effective method to address end-stage liver disease. However, there is a huge imbalance between organ supply and demand in China. Recently,effective expansion of the donor liver has become a hot research direction in academia. Authors' group comprehensively integrates domestic and foreign evidence-based medical evidence, the latest academic outcomes and clinical experience. Based on the innovative viewshed of crossfusion between biomedical engineering and medicine, author group systematically elaborate in the main strategies for expanding the liver donor pool, including the multichannel expansion of marginal donor liver,multidimensional innovation of technologies in transplant surgery and diversified exploration of alternative resources of organs. The author group aims to promote the construction of a large cohort,the integration of big data,and the output of high quality research,achieving innovative theory and clinical translation in organ transplantation,thus promoting the higher quality development of liver transplantation in China.
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Affiliation(s)
- K Wang
- Zhejiang University School of Medicine,Institute of Organ Transplantation of Zhejiang University,Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province,Hangzhou 310058,China
| | - F Q Gao
- Zhejiang University School of Medicine,Institute of Organ Transplantation of Zhejiang University,Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province,Hangzhou 310058,China
| | - X Xu
- Zhejiang University School of Medicine,Institute of Organ Transplantation of Zhejiang University,Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province,Hangzhou 310058,China
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Li D, Li X, Wang J, Li H, Shen H, Xu X, Chen G. Cleavage of semaphorin 4 C interferes with the neuroprotective effect of the semaphorin 4 C/Plexin B2 pathway on experimental intracerebral hemorrhage in rats. J Chem Neuroanat 2023; 132:102318. [PMID: 37482144 DOI: 10.1016/j.jchemneu.2023.102318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 07/13/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Semaphorin 4 C (SEMA4C) and its cognate receptor Plexin B2 are important regulators of axon guidance and are involved in many neurological diseases, in which SEMA4C acts not only as a ligand ("forward" mode) but also as a signaling receptor ("reverse" mode). However, the role of SEMA4C/Plexin B2 in intracerebral hemorrhage (ICH) remains unclear. In this study, ICH in adult male Sprague-Dawley rats was induced by autologous blood injection in the right basal ganglia. In vitro, cultured primary neurons were subjected to OxyHb to imitate ICH injury. Recombinant SEMA4C (rSEMA4C) and overexpressing lentiviruses encoding full-length SEMA4C or secretory SEMA4C (sSEMA4C) were administered to rats by intraventricular injection. First, we found that elevated levels of sSEMA4C in the cerebrospinal fluid (CSF) of clinical patients were associated with poor prognosis. Both SEMA4C and sSEMA4C were increased in brain tissue around the hematoma after ICH in rats. Overexpression of SEMA4C attenuated neuronal apoptosis, neurosis, and neurologic impairment after ICH. However, treatment with rSEMA4C or sSEMA4C overexpression exacerbated neuronal injury. In addition, when treated with SEMA4C overexpression, the forward mode downstream protein RhoA and the reverse mode downstream ID1/3 transcriptional factors of SEMA4C/Plexin B2 signaling were all activated. Nevertheless, when exposed to rSEMA4C or sSEMA4C overexpression, only the forward mode was activated. Thus, sSEMA4C may be a novel molecular biomarker to predict the prognosis of patients with ICH, and the prevention of SEMA4C cleavage is expected to be a promising therapeutic target.
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Affiliation(s)
- Dong Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China
| | - Xiang Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China
| | - Jiahe Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China
| | - Haiying Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China
| | - Haitao Shen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China
| | - Xiang Xu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China.
| | - Gang Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou 215006, China; Institute of Stroke Research, Soochow University, 188 Shizi Street, Suzhou 215006, China.
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Wang X, Qiu W, Liu H, He M, He W, Li Z, Wu Z, Xu X, Chen P. The inducible secreting TLR5 agonist, CBLB502, enhances the anti-tumor activity of CAR133-NK92 cells in colorectal cancer. Cancer Biol Med 2023; 20:j.issn.2095-3941.2023.0033. [PMID: 37731205 PMCID: PMC10546094 DOI: 10.20892/j.issn.2095-3941.2023.0033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 07/17/2023] [Indexed: 09/22/2023] Open
Abstract
OBJECTIVE CAR-T/NK cells have had limited success in the treatment of solid tumors, such as colorectal cancer (CRC), in part because of the heterogeneous nature of tumor-associated antigens that lead to antigen-negative relapse after the initial response. This barrier might be overcome by enhancing the recruitment and durability of endogenous immune cells. METHODS Immunohistochemistry and flow cytometry were used to assess the expression of CD133 antigen in tissue microarrays and cell lines, respectively. Retroviral vector transduction was used to generate CBLB502-secreting CAR133-NK92 cells (CAR133-i502-NK92). The tumor killing capacity of CAR133-NK92 cells in vitro and in vivo were quantified via LDH release, the RTCA assay, and the degranulation test, as well as measuring tumor bioluminescence signal intensity in mice xenografts. RESULTS We engineered CAR133-i502-NK92 cells and demonstrated that those cells displayed enhanced proliferation (9.0 × 104 cells vs. 7.0 × 104 cells) and specific anti-tumor activities in vitro and in a xenogeneic mouse model, and were well-tolerated. Notably, CBLB502 secreted by CAR133-i502-NK92 cells effectively activated endogenous immune cells. Furthermore, in hCD133+/hCD133- mixed cancer xenograft models, CAR133-i502-NK92 cells suppressed cancer growth better than the counterparts (n = 5, P = 0.0297). Greater T-cell infiltration was associated with greater anti-tumor potency (P < 0.0001). CONCLUSIONS Armed with a CBLB502 TLR5 agonist, CAR133-NK92 cells were shown to be capable of specifically eliminating CD133-positive colon cancer cells in a CAR133-dependent manner and indirectly eradicating CD133-negative colon cancer cells in a CBLB502-specific endogenous immune response manner. This study describes a novel technique for optimizing CAR-T/NK cells for the treatment of antigenically-diverse solid tumors.
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Affiliation(s)
- Xiaohui Wang
- College of Biotechnology, Southwest University, Chongqing 400715, China
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wei Qiu
- Department of Dermatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China
| | - Haoyu Liu
- College of Biotechnology, Southwest University, Chongqing 400715, China
| | - Min He
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wei He
- College of Biotechnology, Southwest University, Chongqing 400715, China
| | - Zhan Li
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Zhiqiang Wu
- Department of Biotherapeutics, The First Medical Center, Chinese PLA General Hospital, Beijing 100038, China
| | - Xiang Xu
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Ping Chen
- College of Biotechnology, Southwest University, Chongqing 400715, China
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Liu MK, Jiang ZM, Xiao YH, Liu KK, Xu X. Three new species of Otacilia Thorell, 1897 (Araneae, Phrurolithidae) from South China. Zookeys 2023; 1180:129-144. [PMID: 38312324 PMCID: PMC10838172 DOI: 10.3897/zookeys.1180.108823] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/01/2023] [Indexed: 02/06/2024] Open
Abstract
Three new Otacilia species were collected from Jiangxi Provinces, China during a survey of the spider fauna of the region: Otaciliaanfu Liu, sp. nov. (♂♀), O.guanshan Liu, sp. nov. (♂♀), and O.mingyueshan Liu, sp. nov. (♂♀). All species are described and illustrated with photographs and SEM micrographs, and their distribution is also mapped.
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Affiliation(s)
- Ming-Kang Liu
- College of Life Science, Jinggangshan University, Ji'an 343009, Jiangxi, China Jinggangshan University Ji'an China
| | - Zi-Min Jiang
- College of Life Science, Jinggangshan University, Ji'an 343009, Jiangxi, China Jinggangshan University Ji'an China
| | - Yong-Hong Xiao
- College of Life Science, Jinggangshan University, Ji'an 343009, Jiangxi, China Jinggangshan University Ji'an China
| | - Ke-Ke Liu
- College of Life Science, Jinggangshan University, Ji'an 343009, Jiangxi, China Jinggangshan University Ji'an China
| | - Xiang Xu
- College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China Hunan Normal University Changsha China
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Hou J, Wen X, Qu G, Chen W, Xu X, Wu G, Ji R, Wei G, Liang T, Huang W, Xiong L. A multicenter study on the application of artificial intelligence radiological characteristics to predict prognosis after percutaneous nephrolithotomy. Front Endocrinol (Lausanne) 2023; 14:1184608. [PMID: 37780621 PMCID: PMC10541026 DOI: 10.3389/fendo.2023.1184608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 08/30/2023] [Indexed: 10/03/2023] Open
Abstract
Background A model to predict preoperative outcomes after percutaneous nephrolithotomy (PCNL) with renal staghorn stones is developed to be an essential preoperative consultation tool. Objective In this study, we constructed a predictive model for one-time stone clearance after PCNL for renal staghorn calculi, so as to predict the stone clearance rate of patients in one operation, and provide a reference direction for patients and clinicians. Methods According to the 175 patients with renal staghorn stones undergoing PCNL at two centers, preoperative/postoperative variables were collected. After identifying characteristic variables using PCA analysis to avoid overfitting. A predictive model was developed for preoperative outcomes after PCNL in patients with renal staghorn stones. In addition, we repeatedly cross-validated their model's predictive efficacy and clinical application using data from two different centers. Results The study included 175 patients from two centers treated with PCNL. We used a training set and an external validation set. Radionics characteristics, deep migration learning, clinical characteristics, and DTL+Rad-signature were successfully constructed using machine learning based on patients' pre/postoperative imaging characteristics and clinical variables using minimum absolute shrinkage and selection operator algorithms. In this study, DTL-Rad signal was found to be the outstanding predictor of stone clearance in patients with renal deer antler-like stones treated by PCNL. The DTL+Rad signature showed good discriminatory ability in both the training and external validation groups with AUC values of 0.871 (95% CI, 0.800-0.942) and 0.744 (95% CI, 0.617-0.871). The decision curve demonstrated the radiographic model's clinical utility and illustrated specificities of 0.935 and 0.806, respectively. Conclusion We found a prediction model combining imaging characteristics, neural networks, and clinical characteristics can be used as an effective preoperative prediction method.
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Affiliation(s)
- Jian Hou
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Xiangyang Wen
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Genyi Qu
- Department of Urology, Zhuzhou Central Hospital, Zhuzhou, China
| | - Wenwen Chen
- Department of Radiology, Zixing First People’s Hospital, Chenzhou, China
| | - Xiang Xu
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Guoqing Wu
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Ruidong Ji
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Genggeng Wei
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Tuo Liang
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Wenyan Huang
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
| | - Lin Xiong
- Division of Urology, Department of Surgery, The University of Hongkong-Shenzhen Hosipital, ShenZhen, China
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Yu J, Wang H, Zhuge F, Chen Z, Hu M, Xu X, He Y, Ma Y, Miao X, Zhai T. Simultaneously ultrafast and robust two-dimensional flash memory devices based on phase-engineered edge contacts. Nat Commun 2023; 14:5662. [PMID: 37704609 PMCID: PMC10499832 DOI: 10.1038/s41467-023-41363-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 05/25/2023] [Accepted: 08/31/2023] [Indexed: 09/15/2023] Open
Abstract
As the prevailing non-volatile memory (NVM), flash memory offers mass data storage at high integration density and low cost. However, due to the 'speed-retention-endurance' dilemma, their typical speed is limited to ~microseconds to milliseconds for program and erase operations, restricting their application in scenarios with high-speed data throughput. Here, by adopting metallic 1T-LixMoS2 as edge contact, we show that ultrafast (10-100 ns) and robust (endurance>106 cycles, retention>10 years) memory operation can be simultaneously achieved in a two-dimensional van der Waals heterostructure flash memory with 2H-MoS2 as semiconductor channel. We attribute the superior performance to the gate tunable Schottky barrier at the edge contact, which can facilitate hot carrier injection to the semiconductor channel and subsequent tunneling when compared to a conventional top contact with high density of defects at the metal interface. Our results suggest that contact engineering can become a strategy to further improve the performance of 2D flash memory devices and meet the increasing demands of high speed and reliable data storage.
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Affiliation(s)
- Jun Yu
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Han Wang
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Fuwei Zhuge
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Zirui Chen
- Hubei Yangtze Memory Laboratory; School of Integrated circuits, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Man Hu
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiang Xu
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yuhui He
- Hubei Yangtze Memory Laboratory; School of Integrated circuits, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Ying Ma
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Xiangshui Miao
- Hubei Yangtze Memory Laboratory; School of Integrated circuits, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Tianyou Zhai
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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Xu X, Cai YX, Liu YH, Shen Y, Pan Y, Yao H, Wang XL, Yang P. [Comparison of incubation periods of infections of Omicron variants BA.2 and BF.7 in Beijing]. Zhonghua Liu Xing Bing Xue Za Zhi 2023; 44:1397-1401. [PMID: 37743272 DOI: 10.3760/cma.j.cn112338-20230316-00153] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Objective: To understand the incubation periods of infections of Omicron variants BA.2 and BF.7 in two COVID-19 epidemics and related factors in Beijing and provide basic parameters for the establishment of 2019-nCoV dynamic transmission model. Methods: The COVID-19 cases with specific exposure time and onset time in the Omicron variant BA.2 infection epidemic in April 2022 and in the Omicron variant BF.7 infection epidemic in October 2022 in Beijing were included in the analysis. The rank-sum test was conducted to estimate the differences in the incubation period between two types of infections. The incubation period distribution of the Omicron variant infection was fitted by using Weibull, Gamma and lognormal distributions. Multivariate analysis of variance was conducted to assess the effects of age, sex, variant type and vaccination status on the incubation periods. Results: A total of 64 cases of variant BA.2 infection and 58 cases of variant BF.7 infection were included. The M(Q1,Q3) of the incubation period was 3.00 (3.00, 4.00) days for BA.2 infection and 3.00 (2.00, 3.25) days for BF.7 infection. The lognormal distribution was the best fit. Multivariate analysis of variance showed that there were some differences in the incubation periods between two types of infections of Omicron variants, and the incubation period of variant BF.7 infection was shorter than that of variant BA.2 infection. Conclusion: Omicron variant BF.7 infection had shorter incubation period compared with Omicron variant BA.2 infection.
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Affiliation(s)
- X Xu
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Y X Cai
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Y H Liu
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Y Shen
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Y Pan
- Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - H Yao
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - X L Wang
- Beijing Office of Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - P Yang
- Central Office, Beijing Center for Disease Prevention and Control, Beijing 100013, China
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Xu X, Cheng J, Zhao H, He W, Zhang L, Cheng Z. Second-Generation Soft Actuators Driven by NIR Light Based on Croconaine Dye-Doped Vitrimers. ACS Appl Mater Interfaces 2023; 15:41916-41926. [PMID: 37610709 DOI: 10.1021/acsami.3c08973] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Soft actuators with photo-response can be selectively driven by the light source, but it is challenging to achieve a selective response of multiple components under a uniform light field, which is actually of great importance for the development of soft robots. In this work, a series of near-infrared light (NIR)-responsive vitrimers (CR-vitrimers) are synthesized by carboxylate transesterification using carboxyl-bearing croconaine dye (CR-800) as a photothermal agent (PTA). NIR-responsive liquid crystalline elastomers (CR-vitrimer-LCEs) under NIR laser (λmax = 808 nm) without the template can be further prepared. More importantly, the dynamic covalent bonding properties of vitrimer allow for the fabrication of a hand-shaped actuator by hot pressing, consisting of "fingers" with different NIR-response threshold values. After programming as needed, the hand-shaped actuator successfully achieves local and sequential control under a uniform NIR light field.
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Affiliation(s)
- Xiang Xu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Jiannan Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Haitao Zhao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Weiwei He
- State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RADX), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou 215123, China
| | - Lifen Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhenping Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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112
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Zhou X, Xu X, Huang J. Adaptive multi-temperature control for transport and storage containers enabled by phase-change materials. Nat Commun 2023; 14:5449. [PMID: 37673906 PMCID: PMC10482904 DOI: 10.1038/s41467-023-40988-2] [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: 02/19/2023] [Accepted: 08/16/2023] [Indexed: 09/08/2023] Open
Abstract
The transportation of essential items, such as food and vaccines, often requires adaptive multi-temperature control to maintain high safety and efficiency. While existing methods utilizing phase change materials have shown promise, challenges related to heat transfer and materials' physicochemical properties remain. In this study, we present an adaptive multi-temperature control system using liquid-solid phase transitions to achieve highly effective thermal management using a pair of heat and cold sources. By leveraging the properties of stearic acid and distilled water, we fabricated a multi-temperature maintenance container and demonstrated temperature variations of only 0.14-2.05% over a two-hour period, underscoring the efficacy of our approach. Our findings offer a practical solution to address critical challenges in reliable transportation of goods, with potential implications for various fields in physical, engineering, and life sciences.
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Affiliation(s)
- Xinchen Zhou
- Department of Physics, Fudan University, Shanghai, 200438, China
- State Key Laboratory of Surface Physics, Fudan University, Shanghai, 200438, China
- Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University, Shanghai, 200438, China
| | - Xiang Xu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin, 150090, China
- Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin, 150090, China
| | - Jiping Huang
- Department of Physics, Fudan University, Shanghai, 200438, China.
- State Key Laboratory of Surface Physics, Fudan University, Shanghai, 200438, China.
- Key Laboratory of Micro and Nano Photonic Structures (MOE), Fudan University, Shanghai, 200438, China.
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113
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Zhu YF, Xu X, Zhang XD, Jiang MS. CCS-UNet: a cross-channel spatial attention model for accurate retinal vessel segmentation. Biomed Opt Express 2023; 14:4739-4758. [PMID: 37791275 PMCID: PMC10545190 DOI: 10.1364/boe.495766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/14/2023] [Accepted: 08/09/2023] [Indexed: 10/05/2023]
Abstract
Precise segmentation of retinal vessels plays an important role in computer-assisted diagnosis. Deep learning models have been applied to retinal vessel segmentation, but the efficacy is limited by the significant scale variation of vascular structures and the intricate background of retinal images. This paper supposes a cross-channel spatial attention U-Net (CCS-UNet) for accurate retinal vessel segmentation. In comparison to other models based on U-Net, our model employes a ResNeSt block for the encoder-decoder architecture. The block has a multi-branch structure that enables the model to extract more diverse vascular features. It facilitates weight distribution across channels through the incorporation of soft attention, which effectively aggregates contextual information in vascular images. Furthermore, we suppose an attention mechanism within the skip connection. This mechanism serves to enhance feature integration across various layers, thereby mitigating the degradation of effective information. It helps acquire cross-channel information and enhance the localization of regions of interest, ultimately leading to improved recognition of vascular structures. In addition, the feature fusion module (FFM) module is used to provide semantic information for a more refined vascular segmentation map. We evaluated CCS-UNet based on five benchmark retinal image datasets, DRIVE, CHASEDB1, STARE, IOSTAR and HRF. Our proposed method exhibits superior segmentation efficacy compared to other state-of-the-art techniques with a global accuracy of 0.9617/0.9806/0.9766/0.9786/0.9834 and AUC of 0.9863/0.9894/0.9938/0.9902/0.9855 on DRIVE, CHASEDB1, STARE, IOSTAR and HRF respectively. Ablation studies are also performed to evaluate the the relative contributions of different architectural components. Our proposed model is potential for diagnostic aid of retinal diseases.
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Affiliation(s)
| | | | - Xue-dian Zhang
- Shanghai Key Laboratory of Contemporary Optics System, College of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Min-shan Jiang
- Shanghai Key Laboratory of Contemporary Optics System, College of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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Wang T, Li W, Zhang Y, Xu X, Qiang L, Miao W, Yue X, Jiao X, Zhou X, Ma Z, Li S, Ding M, Zhu J, Yang C, Wang H, Li T, Sun X, Wang J. Bioprinted constructs that simulate nerve-bone crosstalk to improve microenvironment for bone repair. Bioact Mater 2023; 27:377-393. [PMID: 37122897 PMCID: PMC10131128 DOI: 10.1016/j.bioactmat.2023.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [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: 11/03/2022] [Revised: 01/10/2023] [Accepted: 02/13/2023] [Indexed: 05/02/2023] Open
Abstract
Crosstalk between nerves and bone is essential for bone repair, for which Schwann cells (SCs) are crucial in the regulation of the microenvironment. Considering that exosomes are critical paracrine mediators for intercellular communication that exert important effects in tissue repair, the aim of this study is to confirm the function and molecular mechanisms of Schwann cell-derived exosomes (SC-exos) on bone regeneration and to propose engineered constructs that simulate SC-mediated nerve-bone crosstalk. SCs promoted the proliferation and differentiation of bone marrow mesenchymal stem cells (BMSCs) through exosomes. Subsequent molecular mechanism studies demonstrated that SC-exos promoted BMSC osteogenesis by regulating the TGF-β signaling pathway via let-7c-5p. Interestingly, SC-exos promoted the migration and tube formation performance of endothelial progenitor cells. Furthermore, the SC-exos@G/S constructs were developed by bioprinting technology that simulated SC-mediated nerve-bone crosstalk and improved the bone regeneration microenvironment by releasing SC-exos, exerting the regulatory effect of SCs in the microenvironment to promote innervation, vascularization, and osteogenesis and thus effectively improving bone repair in a cranial defect model. This study demonstrates the important role and underlying mechanism of SCs in regulating bone regeneration through SC-exos and provides a new engineered strategy for bone repair.
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Affiliation(s)
- Tianchang Wang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Wentao Li
- Sports Medicine Department, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, No.49, North Garden Road, Haidian District, Beijing, 100191, China
- Peking University Institute of Sports Medicine, No.49, North Garden Road, Haidian District, Beijing, 100191, China
| | - Yuxin Zhang
- Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Xiang Xu
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Lei Qiang
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Weiqiang Miao
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xiaokun Yue
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xin Jiao
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xianhao Zhou
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Zhenjiang Ma
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Shuai Li
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Muliang Ding
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, 410001, Hunan, China
| | - Junfeng Zhu
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
| | - Chi Yang
- Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Hui Wang
- Institute of Rehabilitation Medicine, School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, 201210, China
| | - Tao Li
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
- Corresponding author.
| | - Xin Sun
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Corresponding author.
| | - Jinwu Wang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Institute of Rehabilitation Medicine, School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, 201210, China
- Corresponding author. Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China.
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115
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Xiong L, Kwan KJ, Xu X, Wei GG, Lu ZQ. Flexible ureterolithotripsy for the management of multiple gas-containing renal calculi: A case report and literature review. Urol Case Rep 2023; 50:102500. [PMID: 37484193 PMCID: PMC10362168 DOI: 10.1016/j.eucr.2023.102500] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/05/2023] [Accepted: 07/05/2023] [Indexed: 07/25/2023] Open
Abstract
Gas-containing renal stones (GCS) are rare urological entities. Current literature has suggested possible associations with premenopausal women, urinary tract infection, and metabolic diseases. We report the case of a 25-year-old young woman with no underlying co-morbidities who had multiple right GCS and suspected emphysematous pyelitis. Antibiotic therapy was initiated to control her urinary tract infection with E. coli. She then underwent elective right flexible ureteroscopy to relieve her ureteropelvic junction obstruction. Complete stone retrieval was achieved and she made an uneventful recovery with no stone recurrence during 1-year follow-up.
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Affiliation(s)
- Lin Xiong
- Department of Urology, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | | | - Xiang Xu
- Department of Urology, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Geng-Geng Wei
- Department of Urology, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Zhen-Quan Lu
- Department of Urology, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
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116
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Chen Y, Zeng Z, Liu D, Zhang J, Guo Y, Zou J, Guan J, Xu X, Li L. Insights into non-crystalline structure of solid solution Ce-Mn co-oxide nanofibers for efficient low-temperature toluene oxidation. Environ Sci Pollut Res Int 2023; 30:99830-99841. [PMID: 37615912 DOI: 10.1007/s11356-023-29299-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 08/08/2023] [Indexed: 08/25/2023]
Abstract
The controllable preparation of efficient non-crystalline solid solution catalysts is a great challenge in the catalytic oxidation of volatile organic compounds. In this work, series non-crystalline solid solution structured Ce-Mn co-oxide nanofibers were creatively prepared by adjusting Ce/Mn molar ratios using electrospinning. 0.20CeMnOx (the ratio of Ce to Mn was 0.2) displayed an outstanding low-temperature toluene oxidation activity (T90 = 233 °C). The formation of the amorphous solid solution and the unique nanofiber structure both contributed to a large specific surface area (S = 173 m2 g-1) and high adsorbed oxygen content (Oads/O = 41.3%), which enhanced the number of active oxygen vacancies. The synergies between non-crystalline structure and active oxygen species markedly improved oxygen migration rate as well as redox ability of the catalysts. Additionally, in situ diffuse reflectance infrared Fourier transform spectra showed that the absorbed toluene could be completely oxidized to CO2 and H2O with benzyl alcohol, benzaldehyde, benzoic acid, and maleic anhydride as intermediates. In summary, this study provided an alternative route for the synthesis of non-crystalline metal co-oxide nanofibers.
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Affiliation(s)
- Yanzhu Chen
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Zheng Zeng
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Dongyang Liu
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Jing Zhang
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Yang Guo
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Jianwu Zou
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Juan Guan
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Xiang Xu
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Liqing Li
- School of Energy Science and Engineering, Central South University, Changsha, 410083, Hunan, China.
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Sharon CE, Tortorello GN, Ma KL, Huang AC, Xu X, Giles LR, McGettigan S, Kreider K, Schuchter LM, Mathew AJ, Amaravadi RK, Gimotty PA, Miura JT, Karakousis GC, Mitchell TC. Long-term outcomes to neoadjuvant pembrolizumab based on pathological response for patients with resectable stage III/IV cutaneous melanoma. Ann Oncol 2023; 34:806-812. [PMID: 37414215 DOI: 10.1016/j.annonc.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 07/08/2023] Open
Abstract
BACKGROUND While neoadjuvant immunotherapy for melanoma has shown promising results, the data have been limited by a relatively short follow-up time, with most studies reporting 2-year outcomes. The goal of this study was to determine long-term outcomes for stage III/IV melanoma patients treated with neoadjuvant and adjuvant programmed cell death receptor 1 (PD-1) inhibition. PATIENTS AND METHODS This is a follow-up study of a previously published phase Ib clinical trial of 30 patients with resectable stage III/IV cutaneous melanoma who received one dose of 200 mg IV neoadjuvant pembrolizumab 3 weeks before surgical resection, followed by 1 year of adjuvant pembrolizumab. The primary outcomes were 5-year overall survival (OS), 5-year recurrence-free survival (RFS), and recurrence patterns. RESULTS We report updated results at 5 years of follow-up with a median follow-up of 61.9 months. No deaths occurred in patients with a major pathological response (MPR, <10% viable tumor) or complete pathological response (pCR, no viable tumor) (n = 8), compared to a 5-year OS of 72.8% for the remainder of the cohort (P = 0.12). Two of eight patients with a pCR or MPR had a recurrence. Of the patients with >10% viable tumor remaining, 8 of 22 patients (36%) had a recurrence. Additionally, the median time to recurrence was 3.9 years for patients with ≤10% viable tumor and 0.6 years for patients with >10% viable tumor (P = 0.044). CONCLUSIONS The 5-year results from this trial represent the longest follow-up of a single-agent neoadjuvant PD-1 trial to date. Response to neoadjuvant therapy continues to be an important prognosticator with regard to OS and RFS. Additionally, recurrences in patients with pCR occur later and are salvageable, with a 5-year OS of 100%. These results demonstrate the long-term efficacy of single-agent neoadjuvant/adjuvant PD-1 blockade in patients with a pCR and the importance of long-term follow-up for these patients. TRIAL REGISTRATION Clinicaltrials.gov, NCT02434354.
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Affiliation(s)
- C E Sharon
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia
| | - G N Tortorello
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia
| | - K L Ma
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia
| | - A C Huang
- Department of Medicine and Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - X Xu
- Departments of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia
| | - L R Giles
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - S McGettigan
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - K Kreider
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - L M Schuchter
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - A J Mathew
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - R K Amaravadi
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - P A Gimotty
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - J T Miura
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - G C Karakousis
- Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - T C Mitchell
- Medicine, Hospital of the University of Pennsylvania, Philadelphia; Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia.
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Chen Z, Yao MW, Shen ZL, Li SD, Xing W, Guo W, Li Z, Wu XF, Ao LQ, Lu WY, Lian QZ, Xu X, Ao X. Interferon-gamma and tumor necrosis factor-alpha synergistically enhance the immunosuppressive capacity of human umbilical-cord-derived mesenchymal stem cells by increasing PD-L1 expression. World J Stem Cells 2023; 15:787-806. [PMID: 37700823 PMCID: PMC10494569 DOI: 10.4252/wjsc.v15.i8.787] [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] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/20/2023] [Accepted: 07/24/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND The immunosuppressive capacity of mesenchymal stem cells (MSCs) is dependent on the "license" of several proinflammatory factors to express immunosuppressive factors such as programmed cell death 1 ligand 1 (PD-L1), which determines the clinical therapeutic efficacy of MSCs for inflammatory or immune diseases. In MSCs, interferon-gamma (IFN-γ) is a key inducer of PD-L1 expression, which is synergistically enhanced by tumor necrosis factor-alpha (TNF-α); however, the underlying mechanism is unclear. AIM To reveal the mechanism of pretreated MSCs express high PD-L1 and explore the application of pretreated MSCs in ulcerative colitis. METHODS We assessed PD-L1 expression in human umbilical-cord-derived MSCs (hUC-MSCs) induced by IFN-γ and TNF-α, alone or in combination. Additionally, we performed signal pathway inhibitor experiments as well as RNA interference experiments to elucidate the molecular mechanism by which IFN-γ alone or in combination with TNF-α induces PD-L1 expression. Moreover, we used luciferase reporter gene experiments to verify the binding sites of the transcription factors of each signal transduction pathway to the targeted gene promoters. Finally, we evaluated the immunosuppressive capacity of hUC-MSCs treated with IFN-γ and TNF-α in both an in vitro mixed lymphocyte culture assay, and in vivo in mice with dextran sulfate sodium-induced acute colitis. RESULTS Our results suggest that IFN-γ induction alone upregulates PD-L1 expression in hUC-MSCs while TNF-α alone does not, and that the co-induction of IFN-γ and TNF-α promotes higher expression of PD-L1. IFN-γ induces hUC-MSCs to express PD-L1, in which IFN-γ activates the JAK/STAT1 signaling pathway, up-regulates the expression of the interferon regulatory factor 1 (IRF1) transcription factor, promotes the binding of IRF1 and the PD-L1 gene promoter, and finally promotes PD-L1 mRNA. Although TNF-α alone did not induce PD-L1 expression in hUC-MSCs, the addition of TNF-α significantly enhanced IFN-γ-induced JAK/STAT1/IRF1 activation. TNF-α up-regulated IFN-γ receptor expression through activation of the nuclear factor kappa-B signaling pathway, which significantly enhanced IFN-γ signaling. Finally, co-induced hUC-MSCs have a stronger inhibitory effect on lymphocyte proliferation, and significantly ameliorate weight loss, mucosal damage, inflammatory cell infiltration, and up-regulation of inflammatory factors in colitis mice. CONCLUSION Overall, our results suggest that IFN-γ and TNF-α enhance both the immunosuppressive ability of hUC-MSCs and their efficacy in ulcerative colitis by synergistically inducing high expression of PD-L1.
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Affiliation(s)
- Zhuo Chen
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
- College of Basic Medical Sciences, Army Medical University, Chongqing 400038, China
| | - Meng-Wei Yao
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Zhi-Lin Shen
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Shi-Dan Li
- Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wei Xing
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wei Guo
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Zhan Li
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Xiao-Feng Wu
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Luo-Quan Ao
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Wen-Yong Lu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, The South of Shangcai Village, Wenzhou 325005, Zhejiang Province, China
| | - Qi-Zhou Lian
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China
| | - Xiang Xu
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Xiang Ao
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing 400042, China
- Department of Orthopedics, 953 Hospital of PLA Army, Shigatse Branch of Xinqiao Hospital, Army Medical University, Shigatse 857000, Tibet Autonomous Region, China.
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Wang XY, Jia WB, Xu X, Chen R, Wang LB, Su XJ, Xu PF, Liu XQ, Wen J, Song XY, Liu YY, Zhang Z, Liu XF, Zhang Y. A glutamatergic DRN-VTA pathway modulates neuropathic pain and comorbid anhedonia-like behavior in mice. Nat Commun 2023; 14:5124. [PMID: 37612268 PMCID: PMC10447530 DOI: 10.1038/s41467-023-40860-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 08/14/2023] [Indexed: 08/25/2023] Open
Abstract
Chronic pain causes both physical suffering and comorbid mental symptoms such as anhedonia. However, the neural circuits and molecular mechanisms underlying these maladaptive behaviors remain elusive. Here using a mouse model, we report a pathway from vesicular glutamate transporter 3 neurons in the dorsal raphe nucleus to dopamine neurons in the ventral tegmental area (VGluT3DRN→DAVTA) wherein population-level activity in response to innocuous mechanical stimuli and sucrose consumption is inhibited by chronic neuropathic pain. Mechanistically, neuropathic pain dampens VGluT3DRN → DAVTA glutamatergic transmission and DAVTA neural excitability. VGluT3DRN → DAVTA activation alleviates neuropathic pain and comorbid anhedonia-like behavior (CAB) by releasing glutamate, which subsequently promotes DA release in the nucleus accumbens medial shell (NAcMed) and produces analgesic and anti-anhedonia effects via D2 and D1 receptors, respectively. In addition, VGluT3DRN → DAVTA inhibition produces pain-like reflexive hypersensitivity and anhedonia-like behavior in intact mice. These findings reveal a crucial role for VGluT3DRN → DAVTA → D2/D1NAcMed pathway in establishing and modulating chronic pain and CAB.
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Affiliation(s)
- Xin-Yue Wang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Wen-Bin Jia
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Xiang Xu
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Rui Chen
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Liang-Biao Wang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Xiao-Jing Su
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Peng-Fei Xu
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Xiao-Qing Liu
- School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, 230027, Hefei, China
| | - Jie Wen
- Department of Radiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China
| | - Xiao-Yuan Song
- Hefei National Research Center for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, 230026, Hefei, China
| | - Yuan-Yuan Liu
- Somatosensation and Pain Unit, National Institute of Dental and Craniofacial Research (NIDCR), National Center for Complementary and Integrative Health (NCCIH), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Zhi Zhang
- Hefei National Research Center for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, 230026, Hefei, China.
| | - Xin-Feng Liu
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China.
| | - Yan Zhang
- Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001, Hefei, China.
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Li CZ, Yao YB, Xiao YH, Xu X, Liu KK. Notes on two species of Massuria Thorell, 1887 (Arachnida, Araneae, Thomisidae) from China with description of a new species. Zookeys 2023; 1175:299-310. [PMID: 37636525 PMCID: PMC10457674 DOI: 10.3897/zookeys.1175.105446] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/28/2023] [Indexed: 08/29/2023] Open
Abstract
Two species assigned to Massuria Thorell, 1887 are reviewed. The female of Massuriabandian Tang & Li, 2010 is described for the first time from Jianfengling National Natural Reserve, Hainan Province, China. The species Diaeasimplex Xu, Han & Li, 2008 is described as a synonym of Massuriabellula Xu, Han & Li, 2008 based on female and male specimens from Guangdong Province, China. Massuriaminsp. nov. described as a new species (female, Fujian Province, China). Detailed illustrations and a distribution map are provided for these three species of Massuria.
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Affiliation(s)
- Cong-zheng Li
- College of Life Science, Jinggangshan University, Ji’an 343009, Jiangxi, ChinaJinggangshan UniversityJi’anChina
| | - Yan-bin Yao
- Jinshan College of Fujian Agriculture and Forestry University, Fuzhou 350007, Fujian, ChinaJinshan College of Fujian Agriculture and Forestry UniversityFuzhouChina
| | - Yong-hong Xiao
- College of Life Science, Jinggangshan University, Ji’an 343009, Jiangxi, ChinaJinggangshan UniversityJi’anChina
| | - Xiang Xu
- College of Life Science, Hunan Normal University, Changsha 410081, Hunan, ChinaHunan Normal UniversityChangshaChina
| | - Ke-ke Liu
- College of Life Science, Jinggangshan University, Ji’an 343009, Jiangxi, ChinaJinggangshan UniversityJi’anChina
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Dutta D, Pirolli NH, Levy D, Tsao J, Seecharan N, Wang Z, Xu X, Jia X, Jay SM. Differentiation state and culture conditions impact neural stem/progenitor cell-derived extracellular vesicle bioactivity. Biomater Sci 2023; 11:5474-5489. [PMID: 37367824 PMCID: PMC10529403 DOI: 10.1039/d3bm00340j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Extracellular vesicles (EVs) derived from neural progenitor/stem cells (NPSCs) have shown promising efficacy in a variety of preclinical models. However, NPSCs lack critical neuroregenerative functionality such as myelinating capacity. Further, culture conditions used in NPSC EV production lack standardization, limiting reproducibility challenging and potentially potency of the overall approach via lack of optimization. Here, we assessed whether oligodendrocyte precursor cells (OPCs) and immature oligodendrocytes (iOLs), which are further differentiated than NPSCs and which both give rise to mature myelinating oligodendrocytes, could yield EVs with neurotherapeutic properties comparable or superior to those from NPSCs. We additionally examined the effects of extracellular matrix (ECM) coating materials and the presence or absence of growth factors in cell culture on the ultimate properties of EVs. The data show that OPC EVs and iOL EVs performed similarly to NPSC EVs in cell proliferation and anti-inflammatory assays, but NPSC EVs performed better in a neurite outgrowth assay. Additionally, the presence of nerve growth factor (NGF) in culture was found to maximize NPSC EV bioactivity among the conditions tested. NPSC EVs produced under rationally-selected culture conditions (fibronectin + NGF) enhanced axonal regeneration and muscle reinnervation in a rat nerve crush injury model. These results highlight the need for standardization of culture conditions for neurotherapeutic NPSC EV production.
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Affiliation(s)
- Dipankar Dutta
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
| | - Nicholas H Pirolli
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
| | - Daniel Levy
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
| | - Jeffrey Tsao
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
| | - Nicholas Seecharan
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
| | - Zihui Wang
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Xiang Xu
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Xiaofeng Jia
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA.
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Steven M Jay
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA.
- Program in Molecular and Cell Biology, University of Maryland, College Park, MD, USA
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He C, Xiu W, Chen Q, Peng K, Zhu X, Wang Z, Xu X, Chen Y, Zhang G, Fu J, Dong Q, Wu X, Li A, Liu D, Gao Y, Wang J, Wang Z, Deng B, Shuai P, Gao C, Chen Y, Yu L, Lu F. Gut-licensed β7 + CD4 + T cells contribute to progressive retinal ganglion cell damage in glaucoma. Sci Transl Med 2023; 15:eadg1656. [PMID: 37531415 DOI: 10.1126/scitranslmed.adg1656] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 07/14/2023] [Indexed: 08/04/2023]
Abstract
Glaucoma is the leading cause of irreversible blindness. Currently, most therapeutic strategies aim to reduce elevated intraocular pressure (EIOP), but this does not always halt disease progression. Evidence suggests a role for T cells in glaucoma pathogenesis, but the underlying mechanisms remain largely unknown. Here, we found that the percentage of circulating CD4+ T cells expressing a gut-homing integrin β7 was increased in patients with glaucoma and was associated with disease stage. In an EIOP-triggered glaucoma mouse model, β7+ CD4+ T cells infiltrated the retina in the progressive phase of glaucoma via eliciting retinal endothelial cell expression of mucosal vascular addressin cell adhesion molecule 1 (MAdCAM-1). MAdCAM-1 was minimally detected in retinas of healthy mice, and neutralization with an MAdCAM-1 antibody ameliorated retinal ganglion cell (RGC) loss and glial activity in mice with glaucoma. We furthermore found that EIOP-induced β7+ CD4+ T cells homed to the gut during the acute phase of glaucoma, which was essential for progressive RGC damage in diseased mice. Gut-homing β7+ CD4+ T cells underwent transcriptional reprogramming, showing up-regulated pathways enriched in autoimmune diseases, bacteria responses, mucosal immunity, and glial activity. Gut-homing β7+ CD4+ T cells gained the competence to induce retinal MAdCAM-1 expression and to cross the blood-retina barrier. Together, our study reveals a role of gut-licensed β7+ CD4+ T cells and MAdCAM-1 in RGC degeneration and emphasizes the importance of the "gut-retina" axis in glaucoma.
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Affiliation(s)
- Chong He
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Medico-Engineering Cooperation on Applied Medicine Research Center, University of Electronic Science and Technology of China, Chengdu, China
| | - Wenbo Xiu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Qinyuan Chen
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Kun Peng
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiong Zhu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Department of Prenatal Diagnosis, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zuo Wang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Department of Clinical Laboratory, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiang Xu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yang Chen
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Gao Zhang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Jing Fu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Qiwei Dong
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoqiong Wu
- Department of Ophthalmology, Luzhou Meternal and Child Health Hospital, Luzhou, China
| | - An Li
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Donghua Liu
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yanping Gao
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Jinxia Wang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhao Wang
- Medico-Engineering Cooperation on Applied Medicine Research Center, University of Electronic Science and Technology of China, Chengdu, China
- School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
| | - Bolin Deng
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Ping Shuai
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Caiping Gao
- Department of Gastroenterology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yilian Chen
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Ling Yu
- Department of Ophthalmology, Daping Hospital, Army Medical Center, Army Medical University, Chongqing, China
| | - Fang Lu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Medico-Engineering Cooperation on Applied Medicine Research Center, University of Electronic Science and Technology of China, Chengdu, China
- Health Management Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
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Pei H, Xia D, Xu X, Yang Y, Wang Y, Liu F, Feng L. Rapid 3D T 1 mapping using deep learning-assisted Look-Locker inversion recovery MRI. Magn Reson Med 2023; 90:569-582. [PMID: 37125662 PMCID: PMC10225330 DOI: 10.1002/mrm.29672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/01/2023] [Accepted: 03/28/2023] [Indexed: 05/02/2023]
Abstract
PURPOSE Conventional 3D Look-Locker inversion recovery (LLIR) T1 mapping requires multi-repetition data acquisition to reconstruct images at different inversion times for T1 fitting. To ensure B1 robustness, sufficient time of delay (TD) is needed between repetitions, which prolongs scan time. This work proposes a novel deep learning-assisted LLIR MRI approach for rapid 3D T1 mapping without TD. THEORY AND METHODS The proposed approach is based on the fact thatT 1 * $$ {\mathrm{T}}_1^{\ast } $$ , the effective T1 in LLIR imaging, is independent of TD and can be estimated from both LLIR imaging with and without TD, while accurate conversion ofT 1 * $$ {\mathrm{T}}_1^{\ast } $$ to T1 requires TD. Therefore, deep learning can be used to learn the conversion ofT 1 * $$ {\mathrm{T}}_1^{\ast } $$ to T1 , which eliminates the need for TD. This idea was implemented for inversion-recovery-prepared Golden-angel RAdial Sparse Parallel T1 mapping (GraspT1 ). 39 GraspT1 datasets with a TD of 6 s (GraspT1 -TD6) were used for training, which also incorporates additional anatomical images. The trained network was applied for T1 estimation in 14 GraspT1 datasets without TD (GraspT1 -TD0). The robustness of the trained network was also tested. RESULTS Deep learning-based T1 estimation from GraspT1 -TD0 is accurate compared to the reference. Incorporation of additional anatomical images improves the accuracy of T1 estimation. The technique is also robust against slight variation in spatial resolution, imaging orientation and scanner platform. CONCLUSION Our approach eliminates the need for TD in 3D LLIR imaging without affecting the T1 estimation accuracy. It represents a novel use of deep learning towards more efficient and robust 3D LLIR T1 mapping.
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Affiliation(s)
- Haoyang Pei
- Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University Grossman School of Medicine, New York, NY, USA
- Department of Electrical and Computer Engineering, NYU Tandon School of Engineering, New York, NY, USA
| | - Ding Xia
- Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Xiang Xu
- Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yang Yang
- Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Yao Wang
- Department of Electrical and Computer Engineering, NYU Tandon School of Engineering, New York, NY, USA
| | - Fang Liu
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, MA, USA
| | - Li Feng
- Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University Grossman School of Medicine, New York, NY, USA
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Xu X, Ma J, Zheng Y, Wang S, Wang A, Zheng N. Secondary Structure in Overcoming Photosensitizers' Aggregation: α-Helical Polypeptides for Enhanced Photodynamic Therapy. Adv Healthc Mater 2023; 12:e2203386. [PMID: 37016763 DOI: 10.1002/adhm.202203386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/03/2023] [Indexed: 04/06/2023]
Abstract
Aggregation caused quenching (ACQ) effect can severely inhibit the application of hydrophobic photosensitizers (PSs) bearing planar and rigid structures. Most of the reported cases utilized random-coiled polymers for the in vivo delivery of PSs, which would inevitably aggravate ACQ effect due to the flexible chains. In this work, the role of polymers' secondary structures (especially α-helical conformation) in overcoming the PSs' aggregation is systemically investigated based on the design of α-helical polypeptides bearing tetraphenylporphyrin (TPP) side chains. Atomistic molecular dynamics simulation, fluorescence quantum yield, and reactive oxygen species (ROS) generation yield are evaluated to demonstrate that α-helical polypeptide backbones can significantly boost both fluorescence quantum yield and ROS by suppressing the π-π stacking interaction between TPP units. The enhanced in vitro and in vivo phototoxicity for helical polypeptides also reveal functions of secondary structures in inhibiting ACQ and improving the membrane activity. Successful in vivo photodynamic therapy (PDT) results in mice bearing H22 tumors showed great potentials for further clinical applications.
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Affiliation(s)
- Xiang Xu
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jinjuan Ma
- Department of Comparative Medicine Laboratory Animal Center, Dalian Medical University Dalian, Dalian, 116000, China
| | - Yubin Zheng
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
- Dalian University of Technology Corporation of Changshu Research Institution, Suzhou, 215500, China
| | - Shaolei Wang
- Cancer Hospital of China Medical University, Liaoning Cancer Hospital&Institute, Department of Radiology Intervention, Shenyang, China
| | - Aiguo Wang
- Department of Comparative Medicine Laboratory Animal Center, Dalian Medical University Dalian, Dalian, 116000, China
| | - Nan Zheng
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
- Dalian University of Technology Corporation of Changshu Research Institution, Suzhou, 215500, China
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Ba M, Chen R, Huang Q, Song Y, Li W, Zhang Y, Liu H, Xu X, Zhang W, Cai Z, Sun T. High-Resolution Performance of Polycaprolactone Functionalized with Guanidinium Ionic Liquid for Gas Chromatography. Chem Biodivers 2023; 20:e202300350. [PMID: 37377049 DOI: 10.1002/cbdv.202300350] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 06/29/2023]
Abstract
This work firstly reported a new polycaprolactone based material functionalized with guanidinium ionic liquid (PCL-GIL) as the stationary phase with high resolution performance for capillary gas chromatography (GC). It is composed of polycaprolactone (PCL) and guanidinium ionic liquid (GIL) with amphiphilic conformation. The PCL-GIL capillary column coated by static method exhibited high column efficiency of 3942 plates/m and moderate polarity. As a result, the PCL-GIL column exhibited high-resolution capability. For a mixture of 27 analytes with a wide ranging polarity and outperformed the PCL-2OH and HP-35 columns, showing its advantageous separation capability for analytes of diverse types. Moreover, the PCL-GIL column showed high resolving capability for various positional isomers and cis-/trans-isomers, including alkylbenzenes, chlorobenzenes, naphthalenes, bromonitrobenzenes, chloronitrobenzenes, benzaldehydes, phenols, alcohols, respectively. In a word, PCL derivatized by GIL units as a new type of stationary phase has a promising future in GC separations.
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Affiliation(s)
- Mengyi Ba
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Ruonan Chen
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Qiuchen Huang
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Yanli Song
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Wen Li
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Yuanyuan Zhang
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Haixin Liu
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Xiang Xu
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Weidong Zhang
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Zhiqiang Cai
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, P. R. China
| | - Tao Sun
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, P. R. China
- Hebei Key Laboratory of Heterocyclic Compounds, Handan University, Handan, China
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Deng Y, Fu S, Guo J, Xu X, Li H. Anisotropic Collective Variables with Machine Learning Potential for Ab Initio Crystallization of Complex Ceramics. ACS Nano 2023; 17:14099-14113. [PMID: 37458408 DOI: 10.1021/acsnano.3c04602] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
Enhanced sampling molecular dynamics (MD) simulations have been extensively used in the phase transition study of simple crystalline materials, such as aluminum, silica, and ice. However, MD simulation of the crystallization process for complex crystalline materials still faces a formidable challenge due to their multicomponent induced multiphase problem. Here, we realize the ab initio accuracy MD crystallization simulations of complex ceramics by using anisotropic collective variables (CVs) and machine learning (ML) potential. The anisotropic X-ray diffraction intensity CVs provide precise identification of complex crystal structures with detailed crystallography information, while the ML potential makes it feasible to further perform enhanced sampling simulations with ab initio accuracy. We verify the universality and accuracy of this method through complex ceramics with three kinds of representative structures, i.e., Ti3SiC2 for the MAX structure, zircon for the mineral structure, and lead zirconate titanate for the perovskite structure. It demonstrates exceptional efficiency and ab initio quality in achieving crystallization and generating free energy surfaces of all these ceramics, facilitating the analysis and design of complex crystalline materials.
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Affiliation(s)
- Yuanpeng Deng
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Shubin Fu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Jingran Guo
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Xiang Xu
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
| | - Hui Li
- Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology and Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
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Yu J, Zhang K, Jin S, Su Z, Xu X, Zhang H. [Sinogram interpolation combined with unsupervised image-to-image translation network for CT metal artifact correction]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:1214-1223. [PMID: 37488804 PMCID: PMC10366526 DOI: 10.12122/j.issn.1673-4254.2023.07.18] [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: 07/26/2023]
Abstract
OBJECTIVE To propose a framework that combines sinogram interpolation with unsupervised image-to-image translation (UNIT) network to correct metal artifacts in CT images. METHODS The initially corrected CT image and the prior image without artifacts, which were considered as different elements in two different domains, were input into the image transformation network to obtain the corrected image. Verification experiments were carried out to assess the effectiveness of the proposed method using the simulation data, and PSNR and SSIM were calculated for quantitative evaluation of the performance of the method. RESULTS The experiment using the simulation data showed that the proposed method achieved better results for improving image quality as compared with other methods, and the corrected images preserved more details and structures. Compared with ADN algorithm, the proposed algorithm improved the PSNR and SSIM by 2.4449 and 0.0023 when the metal was small, by 5.9942 and 8.8388 for images with large metals, and by 8.8388 and 0.0130 when both small and large metals were present, respectively. CONCLUSION The proposed method for metal artifact correction can effectively remove metal artifacts, improve image quality, and preserve more details and structures on CT images.
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Affiliation(s)
- J Yu
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - K Zhang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - S Jin
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - Z Su
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - X Xu
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
| | - H Zhang
- School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
- Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, Guangzhou 510515, China
- Guangdong Provincial Engineering Laboratory for Medical Imaging and Diagnostic Technology, Southern Medical University, Guangzhou 510515, China
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Bodrov D, Pakhlov P, Adachi I, Aihara H, Said SA, Asner DM, Atmacan H, Aushev T, Ayad R, Babu V, Banerjee S, Behera P, Belous K, Bennett J, Bessner M, Bhuyan B, Bilka T, Biswas D, Bobrov A, Bondar A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Gaur V, Garmash A, Giri A, Goldenzweig P, Graziani E, Greenwald D, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Halder S, Hayasaka K, Hayashii H, Hedges MT, Herrmann D, Hou WS, Hsu CL, Iijima T, Inami K, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Kalita D, Kaliyar AB, Kawasaki T, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Korpar S, Križan P, Krokovny P, Kuhr T, Kumar M, Kumar R, Kumara K, Kwon YJ, Lange JS, Lee SC, Li J, Li LK, Libby J, Lieret K, Lin YR, Liventsev D, Luo T, Ma Y, Masuda M, Matsuda T, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Mussa R, Nakao M, Narwal D, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar NK, Nishida S, Ogawa S, Oskin P, Pakhlova G, Pardi S, Park H, Park J, Park SH, Passeri A, Patra S, Paul S, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rabusov A, Rout N, Russo G, Sandilya S, Sangal A, Santelj L, Savinov V, Schnell G, Schwanda C, Seino Y, Senyo K, Shan W, Shapkin M, Sharma C, Shiu JG, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Sumihama M, Takizawa M, Tamponi U, Tanida K, Tenchini F, Tiwary R, Trabelsi K, Uchida M, Uglov T, Unno Y, Uno K, Uno S, Vahsen SE, Varner G, Vinokurova A, Vossen A, Wang D, Wang E, Wang MZ, Watanuki S, Werbycka O, Xu X, Yabsley BD, Yan W, Yang SB, Yelton J, Yin JH, Yuan CZ, Yusa Y, Zhang ZP, Zhilich V, Zhukova V. First Measurement of the Michel Parameter ξ^{'} in the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} Decay at Belle. Phys Rev Lett 2023; 131:021801. [PMID: 37505960 DOI: 10.1103/physrevlett.131.021801] [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: 03/21/2023] [Accepted: 06/06/2023] [Indexed: 07/30/2023]
Abstract
We report the first measurement of the Michel parameter ξ^{'} in the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} decay with a new method proposed just recently. The measurement is based on the reconstruction of the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} events with subsequent muon decay in flight in the Belle central drift chamber. The analyzed data sample of 988 fb^{-1} collected by the Belle detector corresponds to approximately 912×10^{6} τ^{+}τ^{-} pairs. We measure ξ^{'}=0.22±0.94(stat)±0.42(syst), which is in agreement with the standard model prediction of ξ^{'}=1. Statistical uncertainty dominates in this study, being a limiting factor, while systematic uncertainty is well under control. Our analysis proved the practicability of this promising method and its prospects for further precise measurement in future experiments.
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129
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Sun L, Ke X, Guan A, Jin B, Qu J, Wang Y, Xu X, Li C, Sun H, Xu H, Xu G, Sang X, Feng Y, Sun Y, Yang H, Mao Y. Intratumoural microbiome can predict the prognosis of hepatocellular carcinoma after surgery. Clin Transl Med 2023; 13:e1331. [PMID: 37462602 PMCID: PMC10353526 DOI: 10.1002/ctm2.1331] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [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: 02/11/2023] [Revised: 07/02/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND The dismal prognosis of hepatocellular carcinoma (HCC) is closely associated with characteristics of the tumour microenvironment (TME). Recent studies have confirmed the presence and potential influence of the microbiome in TME on cancer progression. Elucidating the relationship between microbes in the TME and cancer could provide valuable insights into novel diagnostic markers and therapeutic strategies for HCC and thus warrants a closer investigation of the role of intratumoural microbiome in the HCC TME. METHODS We determined the presence of intratumoural microbiome using fluorescence in situ hybridisation, and explored the microbial community profiles in the HCC TME in paired tumour and adjacent normal tissues using 16S rDNA sequencing. Microbial signatures were characterised in the paired group, and their correlation with clinical characteristics was further investigated. We clustered the microbial signatures of tumour tissues by hepatotypes, and further analysis was performed to elucidate the independent prognostic value of the hepatotypes. RESULTS This study revealed that microbial profiles and community networks differed notably between tumours and adjacent normal tissues. Proteobacteria and Actinobacteria were the most abundant phyla in the HCC TME. The TME microbial profiles also revealed heterogeneities between individuals and between multiple tumour lesions. Clustering of the microbial profiles into two hepatotypes revealed different microbial network patterns. Additionally, the hepatotypes were revealed to be independent prognostic factors in patients with resected HCC. CONCLUSIONS Our study illuminates the microbial profiles in the TME of HCC and presents the hepatotype as a potential independent biomarker for the prognostic prediction of HCC after surgery.
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Affiliation(s)
- Lejia Sun
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- The First School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- Colorectal Institute of Nanjing Medical University, Nanjing, China
| | - Xindi Ke
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Ai Guan
- Eight-year MD Program, Peking Union Medical College (PUMC) & Chinese Academy of Medical Sciences, Beijing, China
| | - Bao Jin
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Jiangming Qu
- Eight-year MD Program, Peking Union Medical College (PUMC) & Chinese Academy of Medical Sciences, Beijing, China
| | - Yinhan Wang
- Eight-year MD Program, Peking Union Medical College (PUMC) & Chinese Academy of Medical Sciences, Beijing, China
| | - Xiang Xu
- Eight-year MD Program, Peking Union Medical College (PUMC) & Chinese Academy of Medical Sciences, Beijing, China
| | - Changcan Li
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Hang Sun
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Hengyi Xu
- Eight-year MD Program, Peking Union Medical College (PUMC) & Chinese Academy of Medical Sciences, Beijing, China
| | - Gang Xu
- Liver Transplant Center, Organ Transplant Center, West China Hospital of Sichuan University, Chengdu, China
- Laboratory of Liver Transplantation, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital of Sichuan University, Chengdu, China
| | - Xinting Sang
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Yifei Feng
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- The First School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- Colorectal Institute of Nanjing Medical University, Nanjing, China
| | - Yueming Sun
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- The First School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- Colorectal Institute of Nanjing Medical University, Nanjing, China
| | - Huayu Yang
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
| | - Yilei Mao
- Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China
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Sweet L, Daniels C, Xu X, Sunil T, Topal S, Chu X, Noiman A, Barsoumian A, Ganesan A, Agan BK, Okulicz JF. Acute Respiratory Infection Incidence and Outpatient Antibiotic Prescription Patterns in People With or Without Human Immunodeficiency Virus Infection: A Virtual Cohort Study. Open Forum Infect Dis 2023; 10:ofad272. [PMID: 37476075 PMCID: PMC10354854 DOI: 10.1093/ofid/ofad272] [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: 02/16/2023] [Accepted: 05/18/2023] [Indexed: 07/22/2023] Open
Abstract
Background Inappropriate antibiotic use in acute respiratory infections (ARIs) is a major public health concern; however, data for people with human immunodeficiency virus (PWH) are limited. Methods The HIV Virtual Cohort Study is a retrospective cohort of adult Department of Defense beneficiaries. Male PWH cases (n = 2413) were matched 1:2 to controls without HIV (n = 4826) by age, gender, race/ethnicity, and beneficiary status. Acute respiratory infection encounters between 2016 and 2020 and corresponding antibiotic prescriptions were characterized as always, sometimes, or never appropriate based on International Classification of Diseases, Tenth Revision coding. Incidence of ARI encounters and antibiotic appropriateness were compared between PWH and controls. Subgroup analyses were assessed by CD4 count and viral load suppression on antiretroviral therapy. Results Mean rates of ARI encounters were similar for PWH (1066 per 1000 person-years) and controls (1010 per 1000 person-years); however, the rate was double among PWH without viral load (VL) suppression (2018 per 1000 person-years). Antibiotics were prescribed in 26% of encounters among PWH compared to 34% for controls (P ≤ .01); antibiotic use was "never" appropriate in 38% of encounters with PWH and 36% in controls. Compared to controls, PWH received more sulfonamides (5.5% vs 2.7%; P = .001), and variation existed among HIV subgroups in the prescription of sulfonamides, fluoroquinolones, and β-lactams. Discussion Acute respiratory infection encounters were similar for PWH and those without HIV; however, PWH with lower CD4 counts and/or nonsuppressed VL had more frequent ARI visits. Inappropriate antibiotic use for ARIs was high in both populations, and focused interventions to improve antibiotic appropriateness for prescribers caring for PWH should be pursued.
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Affiliation(s)
- L Sweet
- Brooke Army Medical Center, Internal Medicine, JBSA-Fort Sam Houston, Fort Sam Houston, Texas, USA
| | - C Daniels
- Department of Criminal Justice and Criminology, St. Mary's University, San Antonio, Texas, USA
| | - X Xu
- Department of Sociology, University of Texas San Antonio, San Antonio, Texas, USA
| | - T Sunil
- Department of Public Health, University of Tennessee, Knoxville, Tennessee, USA
| | - S Topal
- Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - X Chu
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
- Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - A Noiman
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
- Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - A Barsoumian
- Brooke Army Military Medical Center, Infectious Disease Service, JBSA-Fort Sam Houston, Fort Sam Houston, Texas, USA
| | - A Ganesan
- Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
- Division of Infectious Diseases, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - B K Agan
- Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - J F Okulicz
- Correspondence: Jason F. Okulicz, MD, Brooke Army Military Medical Center, Infectious Disease Service, 35551 Roger Brooke Dr, TX 78234, USA ()
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131
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Okonogi N, Kono S, Karasawa K, Banu PA, Xu X, Erawati D, Adylkhanov T, Jang WI, E Y, Calaguas MJ, Thephamongkhol K, Dung TA, Ng WNP, Kato S. Significance of Hypofractionated Radiotherapy in Postoperative Irradiation for Breast Cancer: An Asian Multi-institutional Prospective Study. Clin Oncol (R Coll Radiol) 2023; 35:463-471. [PMID: 37179216 DOI: 10.1016/j.clon.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 04/05/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
AIMS There is a need for the adequate distribution of healthcare resources in Southeast Asia. Many countries in the region have more patients with advanced breast cancer who are eligible for postmastectomy radiotherapy (PMRT). Therefore, it is critical that hypofractionated PMRT is effective in most of these patients. This study investigated the significance of postoperative hypofractionated radiotherapy in patients with breast cancer, including advanced breast cancer, in these countries. MATERIALS AND METHODS Eighteen facilities in 10 Asian countries participated in this prospective, interventional, single-arm study. The study included two independent regimens: hypofractionated whole-breast irradiation (WBI) for patients who had undergone breast-conserving surgery and hypofractionated PMRT for patients who had undergone total mastectomy at a dose of 43.2 Gy in 16 fractions. In the hypofractionated WBI group, patients with high-grade factors received additional 8.1 Gy boost irradiation sessions for the tumour bed in three fractions. RESULTS Between February 2013 and October 2019, 227 and 222 patients were enrolled in the hypofractionated WBI and hypofractionated PMRT groups, respectively. The median follow-up periods in the hypofractionated WBI and hypofractionated PMRT groups were 61 and 60 months, respectively. The 5-year locoregional control rates were 98.9% (95% confidence interval 97.4-100.0) and 96.3% (95% confidence interval 93.2-99.4) in the hypofractionated WBI and hypofractionated PMRT groups, respectively. Regarding adverse events, grade 3 acute dermatitis was observed in 2.2% and 4.9% of patients in the hypofractionated WBI and hypofractionated PMRT groups, respectively. However, no other adverse events were observed. CONCLUSION Although further follow-up is required, hypofractionated radiotherapy regimens for postoperative patients with breast cancer in East and Southeast Asian countries are effective and safe. In particular, the proven efficacy of hypofractionated PMRT indicates that more patients with advanced breast cancer can receive appropriate care in these countries. Hypofractionated WBI and hypofractionated PMRT are reasonable approaches that can contain cancer care costs in these countries. Long-term observation is required to validate our findings.
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Affiliation(s)
- N Okonogi
- QST Hospital, National Institutes for Quantum Science and Technology, Inage-ku, Chiba City, Chiba, Japan
| | - S Kono
- Department of Radiation Oncology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - K Karasawa
- QST Hospital, National Institutes for Quantum Science and Technology, Inage-ku, Chiba City, Chiba, Japan; Department of Radiation Oncology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan.
| | - P A Banu
- Department of Radiation Oncology, Delta Hospital Limited, Dhaka, Bangladesh
| | - X Xu
- The First Affiliated Hospital of Soochow University, Suzhou, China
| | - D Erawati
- Department of Radiotherapy, Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - T Adylkhanov
- National Research Oncology Center, Astana, Kazakhstan
| | - W I Jang
- Department of Radiation Oncology, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
| | - Yadamsuren E
- Department of Radiation Oncology, National Cancer Center of Mongolia, Ulaanbaatar, Mongolia
| | - M J Calaguas
- Department of Radiation Oncology, St Luke's Medical Center, Quezon City, Philippines
| | - K Thephamongkhol
- Department of Radiology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - T A Dung
- Department of General Radiation Oncology, National Cancer Hospital, Hanoi, Viet Nam
| | - W N P Ng
- Department of Radiotherapy & Oncology, National Cancer Institute, Putrajaya, Malaysia
| | - S Kato
- Department of Radiation Oncology, Saitama Medical University International Medical Center, Saitama, Japan
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Li XY, Zhang DJ, Xu X. [Effect of different abutment materials on the expression of genes and proteins related to hemidesmosome adhesion in human gingival epithelial cells]. Zhonghua Kou Qiang Yi Xue Za Zhi 2023; 58:677-683. [PMID: 37400198 DOI: 10.3760/cma.j.cn112144-20230208-00035] [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: 07/05/2023]
Abstract
Objective: To investigate the effects of polyetheretherketone, zirconium dioxide, and titanium abutment materials on the expression of genes and proteins related to hemidesmosome adhesion in human gingival epithelial cells, in order to screen out abutment materials that are easier for epithelial adhesion. Methods: Forty-eight specimens were prepared in each of the three materials, polyetheretherketone, zirconium oxide, and pure titanium specimens. The surface morphology of each group of specimens was observed by scanning electron microscopy, the surface roughness was measured by the white light interferometer, and the contact angle was measured by optical contact angle measuring instrument. The early adhesion status of human gingival epithelial cells on the surface of each group of specimens was observed by scanning electron microscopy, and the proliferation ability of human gingival epithelial cells on the surface of each group of specimens was assessed by using a cell counting kit, and the expression levels of genes and proteins related to the adhesion of human gingival epithelial cells on the surface of each group of specimens were detected by real-time fluorescence quantitative PCR and Western blotting, respectively. Results: The surface morphology of the three groups of specimens was flat and smooth. The mean roughness (Ra value) of the polyetheretherketone, zirconia, and pure titanium groups were (95.63±2.06), (37.93±3.56), and (134.2±4.62) nm (F=368.16, P<0.001), respectively, and the mean maximum height (Rz value) was (2.42±0.22), (0.87±0.10) and (3.77±0.28) nm (F=91.95, P<0.001), with statistical significance (P<0.05). The contact angles were 81.23°±0.91°, 82.08°±2.10°, and 80.47°±1.85°, respectively, with no statistically significant overall difference (F=0.45, P=0.658). Human gingival epithelial cells showed irregular shapes such as flattened and extended polygons and polygons on the surface of the three groups of specimens, exhibiting a typical paving stone pattern. The differences in cell proliferation among the three groups at 1 and 3 d of culture were not statistically significant (P>0.05). Cell proliferation in the polyetheretherketone group was significantly greater those those in the zirconia and pure titanium groups at 5 and 7 d of culture (P<0.05). The mRNA expression levels and protein expression levels of laminin α3, integrin β4, and collagen ⅩⅦ in the polyetheretheretherketone group at 3 and 7 d of incubation were significantly greater than those in the zirconium oxide and pure titanium groups at the same time points (P<0.05). Conclusions: Polyetheretherketone is more conducive to the adhesion of hemidesmosome in human gingival epithelial cells than zirconium dioxide and pure titanium abutment materials.
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Affiliation(s)
- X Y Li
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan 250012, China
| | - D J Zhang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan 250012, China
| | - X Xu
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan 250012, China
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Watanuki S, de Marino G, Trabelsi K, Adachi I, Aihara H, Asner DM, Atmacan H, Aulchenko V, Aushev T, Ayad R, Babu V, Banerjee S, Bauer M, Behera P, Belous K, Bessner M, Bhardwaj V, Bhuyan B, Biswas D, Bodrov D, Bonvicini G, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Cao L, Červenkov D, Chang MC, Cheon BG, Chilikin K, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dong TV, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Garg R, Gaur V, Garmash A, Giri A, Goldenzweig P, Graziani E, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Halder S, Han X, Hara T, Hayasaka K, Hayashii H, Herrmann D, Hou WS, Hsu CL, Inami K, Inguglia G, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Jacobs WW, Ji QP, Jia S, Jin Y, Joo KK, Kaliyar AB, Kichimi H, Kim CH, Kim DY, Kim KH, Kim YK, Kinoshita K, Kodyš P, Korobov A, Korpar S, Kovalenko E, Križan P, Krokovny P, Kuhr T, Kumar M, Kumara K, Kuzmin A, Kwon YJ, Lange JS, Laurenza M, Lee SC, Lewis P, Li LK, Li Y, Li Gioi L, Libby J, Lin YR, Liventsev D, Matsuda T, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Nakao M, Nayak L, Nayak M, Nisar NK, Nishida S, Ono H, Oskin P, Pakhlova G, Pardi S, Park H, Park J, Park SH, Passeri A, Pedlar TK, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Röhrken M, Rout N, Russo G, Sandilya S, Sangal A, Santelj L, Savinov V, Schnell G, Schwanda C, Seino Y, Senyo K, Sevior ME, Shan W, Shapkin M, Shiu JG, Shwartz B, Simon F, Solovieva E, Starič M, Sumihama M, Sumiyoshi T, Takizawa M, Tanida K, Tenchini F, Uchida M, Uglov T, Unno Y, Uno K, Uno S, van Tonder R, Varner G, Varvell KE, Wang D, Wang E, Wang MZ, Won E, Xu X, Yabsley BD, Yan W, Yang SB, Yelton J, Yusa Y, Zhang ZP, Zhilich V, Zhukova V. Search for the Lepton Flavor Violating Decays B^{+}→K^{+}τ^{±}ℓ^{∓} (ℓ=e, μ) at Belle. Phys Rev Lett 2023; 130:261802. [PMID: 37450824 DOI: 10.1103/physrevlett.130.261802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 05/04/2023] [Indexed: 07/18/2023]
Abstract
We present a search for the lepton flavor violating decays B^{+}→K^{+}τ^{±}ℓ^{∓}, with ℓ=(e,μ), using the full data sample of 772×10^{6} BB[over ¯] pairs recorded by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We use events in which one B meson is fully reconstructed in a hadronic decay mode. We find no evidence for B^{±}→K^{±}τℓ decays and set upper limits on their branching fractions at the 90% confidence level in the (1-3)×10^{-5} range. The obtained limits are the world's best results.
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134
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Huang Z, Yin H, Cai QU, Xu X. Two species of hackled-orb web spider genus Hyptiotes (Araneae, Uloboridae) from Guangxi, China. Zootaxa 2023; 5311:65-84. [PMID: 37518655 DOI: 10.11646/zootaxa.5311.1.3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Indexed: 08/01/2023]
Abstract
Two species of the genus Hyptiotes Walckenaer 1837 are described from Guangxi Zhuang Autonomous Region, China, including a new species, Hyptiotes nonggang n. sp. (♂♀), and a known species, Hyptiotes paradoxus (C. L. Koch, 1834) (♂♀) which is the type species. Detailed descriptions and illustrations of the two species are provide, and a map of collecting localities of them in China is also provided.
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Affiliation(s)
- Zongguang Huang
- College of Life Science; Hunan Normal University; Changsha 410081; Hunan; China.
| | - Haiqiang Yin
- College of Life Science; Hunan Normal University; Changsha 410081; Hunan; China.
| | - Q U Cai
- College of Life Science; Hunan Normal University; Changsha 410081; Hunan; China.
| | - Xiang Xu
- College of Life Science; Hunan Normal University; Changsha 410081; Hunan; China.
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135
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Chen R, Xu X, Wang XY, Jia WB, Zhao DS, Liu N, Pang Z, Liu XQ, Zhang Y. The lateral habenula nucleus regulates pruritic sensation and emotion. Mol Brain 2023; 16:54. [PMID: 37370111 DOI: 10.1186/s13041-023-01045-7] [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: 03/28/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Itch is a complex aversive sensory and emotional experience. As a most upsetting symptom in many dermatological and systemic diseases, it lacks efficient treatments. The lateral habenula nucleus (LHb) encodes negative emotions in the epithalamus and has been implicated in pain and analgesia. Nevertheless, the role of the lateral habenula nucleus in the pruritic sensation and emotion remains elusive. Here we defined the crucial role of glutamatergic neurons within the lateral habenula nucleus (GluLHb) in itch modulation in mice. We established histamine-dependent and histamine-independent models of acute pruritus, as well as the acetone-ether-water (AEW) model of chronic pruritus. We first assessed the effects of pruritogen injection on neural activation in both medial and lateral divisions of LHb in vitro. We then demonstrated that the population activity of GluLHb neurons was increased during the acute itch and chronic itch-induced scratching behaviors in vivo. In addition, electrophysiological data showed that the excitability of GluLHb neurons was enhanced by chronic itch. Chemogenetic suppression of GluLHb neurons disrupted both acute and chronic itch-evoked scratching behaviors. Furthermore, itch-induced conditioned place aversion (CPA) was abolished by GluLHb neuronal inhibition. Finally, we dissected the LHb upstream brain regions. Together, these findings reveal the involvement of LHb in processing both the sensational and emotional components of pruritus and may shed new insights into itch therapy.
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Affiliation(s)
- Rui Chen
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Xiang Xu
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Xin-Yue Wang
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Wen-Bin Jia
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - De-Shan Zhao
- School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Na Liu
- School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Zhen Pang
- School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Xiao-Qing Liu
- School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Yan Zhang
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230001, China.
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136
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Xu X, Lu C, Wang Y, Bai X, Liu Z, Zhang Y, Hua D. Two dimensional NbSe 2/Nb 2O 5 metal-semiconductor heterostructure-based photoelectrochemical photodetector with fast response and high flexibility. Nanoscale Horiz 2023. [PMID: 37326422 DOI: 10.1039/d3nh00172e] [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: 06/17/2023]
Abstract
Two dimensional (2D) metal-semiconductor heterostructures are promising for high-performance optoelectronic devices due to fast carrier separation and transportation. Considering the superior metallic characteristics accompanied by high electrical conductivity in NbSe2, surface oxidation provides a facile way to form NbSe2/Nb2O5 metal-semiconductor heterostructures. Herein, size-dependent NbSe2/Nb2O5 nanosheets were achieved by a liquid phase exfoliation method and a gradient centrifugation strategy. These NbSe2/Nb2O5 heterostructure-based photodetectors show high responsivity with 23.21 μA W-1, fast response time of millisecond magnitude, and wide band detection ability in the UV-Vis region. It is noticeable that the photocurrent density is sensitive to the surface oxygen layer due to the oxygen-sensitized photoconduction mechanism. The flexible testing of the NbSe2/Nb2O5 heterostructure-based PEC-type photodetectors exhibits high photodetection performance even after bending and twisting. Beyond that, the solid-state PEC-type NbSe2/Nb2O5 photodetector also achieves relatively stable photodetection and high stability. This work promotes the application of 2D NbSe2/Nb2O5 metal-semiconductor heterostructures in flexible optoelectronic devices.
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Affiliation(s)
- Xiang Xu
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
| | - Chunhui Lu
- Institute of Photonics & Photon-Technology, School of Physics, Northwest University, Xi'an 710069, China
| | - Ying Wang
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
| | - Xing Bai
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
| | - Zenghui Liu
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
| | - Ying Zhang
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
| | - Dengxin Hua
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China.
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137
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Xu X, Liang R, Zheng Y, Qiu Y, Zheng N. Sulfated Glycomimetic α-Helical Polypeptides for Antiviral Activity. Biomacromolecules 2023. [PMID: 37312498 DOI: 10.1021/acs.biomac.3c00184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this work, we developed a library of sulfated glycomimetic polypeptides with a high sulfated degree (up to 99%) via a click reaction and sulfation modification, enabling control over the helicity, molecular weight, rigidity, and side-chain structure. Their potentials as the inhibitors of SARS-CoV-2 and common enterovirus were investigated, and the structure-activity relationship was explored in detail. The in vitro results revealed the crucial role of α-helical conformation and sulfated sugar since all the sulfated glycopolypeptides exhibited outperformed activity in suppressing SARS-CoV-2 infection with the inhibition efficiency up to 85%. Other structural properties, including the rigid chain structure and a moderate molecular weight, also contributed to blocking the viral entry into host cells. Among the sulfated glycopolypeptides, L60-SG-POB showed the highest inhibition efficiency with an IC50 of 0.71 μg/mL. Furthermore, these optimized sulfated glycopolypeptides were also capable of preventing enterovirus infection with the inhibition efficiency of up to 86%. This work opens new avenues for the development of synthetic polypeptides bearing sulfated sugars against SARS-CoV-2 and other viruses.
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Affiliation(s)
- Xiang Xu
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Ruimin Liang
- Hunan Provincial Key Laboratory of Medical Virology, College of Biology, Hunan University, Changsha 410082, China
| | - Yubin Zheng
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
- Dalian University of Technology Corporation of Changshu Research Institution, Suzhou 215500, China
| | - Ye Qiu
- Hunan Provincial Key Laboratory of Medical Virology, College of Biology, Hunan University, Changsha 410082, China
| | - Nan Zheng
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
- Dalian University of Technology Corporation of Changshu Research Institution, Suzhou 215500, China
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138
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Guo J, Yang X, Chen J, Wang C, Sun Y, Yan C, Ren S, Xiong H, Xiang K, Zhang M, Li C, Jiang G, Xiang X, Wan G, Jiang T, Kang Y, Xu X, Chen Z, Li W. Exosomal miR-125b-5p derived from adipose-derived mesenchymal stem cells enhance diabetic hindlimb ischemia repair via targeting alkaline ceramidase 2. J Nanobiotechnology 2023; 21:189. [PMID: 37308908 DOI: 10.1186/s12951-023-01954-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 04/06/2023] [Accepted: 06/03/2023] [Indexed: 06/14/2023] Open
Abstract
INTRODUCTION Ischemic diseases caused by diabetes continue to pose a major health challenge and effective treatments are in high demand. Mesenchymal stem cells (MSCs) derived exosomes have aroused broad attention as a cell-free treatment for ischemic diseases. However, the efficacy of exosomes from adipose-derived mesenchymal stem cells (ADSC-Exos) in treating diabetic lower limb ischemic injury remains unclear. METHODS Exosomes were isolated from ADSCs culture supernatants by differential ultracentrifugation and their effect on C2C12 cells and HUVECs was assessed by EdU, Transwell, and in vitro tube formation assays separately. The recovery of limb function after ADSC-Exos treatment was evaluated by Laser-Doppler perfusion imaging, limb function score, and histological analysis. Subsequently, miRNA sequencing and rescue experiments were performed to figure out the responsible miRNA for the protective role of ADSC-Exos on diabetic hindlimb ischemic injury. Finally, the direct target of miRNA in C2C12 cells was confirmed by bioinformatic analysis and dual-luciferase report gene assay. RESULTS ADSC-Exos have the potential to promote proliferation and migration of C2C12 cells and to promote HUVECs angiogenesis. In vivo experiments have shown that ADSC-Exos can protect ischemic skeletal muscle, promote the repair of muscle injury, and accelerate vascular regeneration. Combined with bioinformatics analysis, miR-125b-5p may be a key molecule in this process. Transfer of miR-125b-5p into C2C12 cells was able to promote cell proliferation and migration by suppressing ACER2 overexpression. CONCLUSION The findings revealed that miR-125b-5p derived from ADSC-Exos may play a critical role in ischemic muscle reparation by targeting ACER2. In conclusion, our study may provide new insights into the potential of ADSC-Exos as a treatment option for diabetic lower limb ischemia.
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Affiliation(s)
- Jiahe Guo
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaofan Yang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jing Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Cheng Wang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yue Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430022, China
| | - Chengqi Yan
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Sen Ren
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Hewei Xiong
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kaituo Xiang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Maojie Zhang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chengcheng Li
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guoyong Jiang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xuejiao Xiang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Gui Wan
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tao Jiang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu Kang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiang Xu
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhenbing Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Wenqing Li
- Department of Hand and Foot Surgery, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 518052, China.
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139
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Yang P, Song Y, Jing X, Ge Y, Liu M, Tang F, Chen Y, Li Q, Wei F, Mao Y, Xu X, Zhu X, Lu Y. Nutritional Assessment in Early Allogenic Hematopoietic Stem Cell Transplant Patients, a Cross-Sectional Study. Nutr Cancer 2023:1-9. [PMID: 37278381 DOI: 10.1080/01635581.2023.2220167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND Our study aims to comprehensively assess nutrition status and malnutritional prevalence in early allogenic hematopoietic stem cell transplant (allo-HSCT) patients. METHODS This single-center, cross-sectional study included 171 patients within the 90 days post-transplantation (from September 2019 to April 2020). Data collected included demographic, 3 day 24-h diet record, a Patient-Generated Subjective Global Assessment (PG-SGA) tool, laboratory tests, anthropometric indices, and body composition. RESULTS One hundred and seventy-one patients with a mean age of 37.8 ± 11.3 and a male to female ratio of 102 to 69 were included. According to PG-SGA, 115 (67.3%) indicated the critical need for nutritional intervention and symptom management (PG-SGA score > 9). Forty-three (43.3%) of patients had experienced insufficient intakes of energy according to a 24-h diet record. Our study found that 120 (70.2%) patients had a body fat percentage and high triacylglycerol (64.9%). Reduced free fat mass index and low hand-grip strength were found in 133 (77.78%) and 104 (60.81%), respectively. The prevalence of malnutrition was 24.6% and the prevalence of sarcopenia was 13.5%. CONCLUSION Although the prevalence was not high, this research has demonstrated a high risk of malnutrition and a lower muscle mass in early allo-HSCT. Furthermore, our study confirmed body composition assessment would be an excellent way to identify malnutrition precisely.
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Affiliation(s)
- Pan Yang
- School of Nursing, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Yaya Song
- Shandong Province Qianfoshan Hospital, Jinan, Shandong, People's Republic of China
| | - Xiuchen Jing
- School of Nursing, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Yongqin Ge
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Minghong Liu
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Fang Tang
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Ying Chen
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Qin Li
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Feng Wei
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Yanqin Mao
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Xiang Xu
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Xiaming Zhu
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
| | - Yin Lu
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
- Hematopoietic Transplant Institute, Soochow University, Suzhou, People's Republic of China
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, People's Republic of China
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140
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Xu X, Jiao Y, Shen L, Li Y, Mei Y, Yang W, Li C, Cao Y, Chen F, Li B, Yang J. Nanoparticle-dsRNA Treatment of Pollen and Root Systems of Diseased Plants Effectively Reduces the Rate of Tobacco Mosaic Virus in Contemporary Seeds. ACS Appl Mater Interfaces 2023. [PMID: 37279020 DOI: 10.1021/acsami.3c02798] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Most crop viruses are carried and spread by seeds. Virus-infected seeds are seed-borne viral disease infections, and thus, reducing the rate of seed infection is an urgent problem in the seed-production industry. The objective of this study was to use nanoparticles (NPs) to directly deliver dsRNA into plants or pollen to initiate RNA interference (RNAi) to reduce viral carryover in seeds. Chitosan quaternary ammonium salt (HACC), complexed with dsRNAs, was selected for targeting the genes for the tobacco mosaic virus (TMV) coat protein (CP) and TMV RNA-dependent RNA polymerase (RdRP) to form HACC-dsRNA NPs. These NP-based dsRNAs were delivered to the plants using four different methods, including infiltration, spraying, root soaking, and pollen internalization. All four methods were able to reduce the seed-carrying rate of offspring seeds of the TMV-infected plants, with pollen internalization being the most effective in reducing the TMV-carrying rate from 95.1 to 61.1% in the control group. By measuring the plant uptake of fluorescence-labeled NPs and dsRNAs, the transportation of the HACC-dsRNA NPs into the plants was observed, and the uptake of dsRNA in combination with small RNA sequencing was further confirmed, resulting in the silencing of homologous RNA molecules during the topical application. The results demonstrated that the incidence of TMV infection was reduced by various degrees via RNAi induction without the need to develop transgenic plants. These results demonstrate the advantages of NP-based RNAi technology in breeding for disease resistance and developing a new strategy for virus-resistant breeding in plants.
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Affiliation(s)
- Xiang Xu
- Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Yubing Jiao
- Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Lili Shen
- Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Ying Li
- Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | | | - Wengang Yang
- Liupanshui City Company of Guizhou Tobacco Company, Liupanshui 553000, China
| | - Changquan Li
- Liupanshui City Company of Guizhou Tobacco Company, Liupanshui 553000, China
| | - Yi Cao
- Guizhou Academy of Tobacco Science, Guiyang 550081, China
| | | | - Bin Li
- Sichuan Tobacco Company, Chengdu 610000, China
| | - Jinguang Yang
- Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
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141
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Xu X, Chen B, Zheng C, Huang L, Chen B, Mao JG. Single-Crystalline Li 2Sn(IO 3) 6 Microwires: Combining Optical-Waveguiding and Frequency-Doubling Functions. Inorg Chem 2023. [PMID: 37272872 DOI: 10.1021/acs.inorgchem.3c01540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
High-quality single-crystalline Li2Sn(IO3)6 microwires (MWs) have been successfully prepared by using a facile hydrothermal method. The as-synthesized Li2Sn(IO3)6 MWs exhibit regular hexagonal prism morphology, excellent surface smoothness, and remarkable diameter uniformity. The optical propagation loss has been determined to be as low as 0.026 dB μm-1 at 785 nm wavelength, implying the low-loss optical waveguiding capability of the Li2Sn(IO3)6 MWs. The effective frequency-doubling conversions of the fundamental frequency light source in the wavelength range from 916 to 1560 nm have been observed, and the second-harmonic generation (SHG) conversion efficiency has been measured to be 2.1% with a 1560 nm fundamental pump source (pulse duration of 10 ns, and average power of 9.06 nW) transmitted through a 1.32-μm-diameter and 300-μm-length Li2Sn(IO3)6 MW. These intriguing optical waveguiding and strong SHG conversion capabilities of the Li2Sn(IO3)6 MWs suggest its potential applications for photonic devices in micrometer scale.
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Affiliation(s)
- Xiang Xu
- Center for Advanced Energy and Functional Materials, School of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350118, China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Bowen Chen
- Center for Advanced Energy and Functional Materials, School of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350118, China
| | - Chan Zheng
- Center for Advanced Energy and Functional Materials, School of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350118, China
| | - Li Huang
- Center for Advanced Energy and Functional Materials, School of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350118, China
| | - Bigeng Chen
- Research Center for Optical Fiber Sensing, Zhejiang Laboratory, Hangzhou 311100, China
| | - Jiang-Gao Mao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
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142
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Xiong L, Kwan KJS, Hou J, Lu ZQ, Wei GG, Xu X. Incidental Finding of Intrarenal Foreign Guidewire During Percutaneous Nephrolithotomy: A Case Report and Literature Review. Am J Case Rep 2023; 24:e939700. [PMID: 37270666 DOI: 10.12659/ajcr.939700] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Percutaneous nephrolithotomy (PCNL) is indicated for large renal calculi (≥2 cm) and is often the treatment of choice due to its high success rate. Guidewire fragmentation is a rare procedural accident that can occur in PCNL but may be missed. Retention of the fragment within the upper urinary tract can lead to further complications, such as recurrent nephrolithiasis or impairment of renal function. CASE REPORT We present the case of a 54-year-old man who experienced right flank pain for 5 days. His history was significant for recurrent nephrolithiasis, managed by PCNL in other hospitals. The most recent procedure was conducted 4 years ago, and his perioperative course was uneventful. Preoperative computed tomography revealed right renal calculi and a C-shaped foreign body. He was scheduled for an elective PCNL. The foreign body was intraoperatively identified as a guidewire fragment and removed. CONCLUSIONS Currently, there is no standard management for intrarenal foreign bodies. Suspicion should be raised in young patients with recurrent stones within a short period of time. A thorough history on past urological interventions should be obtained. Symptoms can also have an insidious onset that could mimic nephrolithiasis or urinary tract infections. Extraction can be done via a standard minimally invasive approach. It is also the surgeon's responsibility to check the integrity of intraoperative instruments so as to minimize risks of complication and reassure the patient.
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Affiliation(s)
- Lin Xiong
- Department of Urology, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China (mainland)
| | - Kristine J S Kwan
- International School, Jinan University, Guangzhou, Guangdong, China (mainland)
| | - Jian Hou
- Department of Urology, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China (mainland)
| | - Zhen-Quan Lu
- Department of Urology, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China (mainland)
| | - Geng-Geng Wei
- Department of Urology, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China (mainland)
| | - Xiang Xu
- Department of Urology, The University of Hong Kong - Shenzhen Hospital, Shenzhen, Guangdong, China (mainland)
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143
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Shen YQ, Yang ZC, Zhong WL, Jiang M, Shi ZB, Santos J, Shi PW, Tong RH, Xue GQ, Zhou Y, Wen J, Yu X, Deng WC, Wang S, Yang ZJ, Chen ZY, Li D, Zha XQ, Jin ZY, Xu X, Xu M. Plasma position measurements by O-mode and X-mode reflectometry systems in tokamak plasmas. Rev Sci Instrum 2023; 94:063505. [PMID: 37862534 DOI: 10.1063/5.0140390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 06/07/2023] [Indexed: 10/22/2023]
Abstract
Plasma Position Reflectometry (PPR) is planned to provide plasma position and shape information for plasma operation in future fusion reactors. Its primary function is to calibrate the drift of the magnetic signals due to the integral nature of magnetic measurement. Here, we attempt to measure plasma position using ordinary mode (O-mode) and extraordinary mode (X-mode) reflectometry systems on two tokamaks. A new physical model based on the phase shift is proposed to deduce the relative movement of the cut-off layer without density inversion. We demonstrate the plasma position measurements by absolute measurement from density profile inversion and relative measurement from phase shift. The combination of X-mode and O-mode reflectometers can minimize the limitations of single polarization reflectometry and further increase the accuracy of plasma position measurement. These results could provide an important technical basis for the further development of a real-time control system based on PPR.
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Affiliation(s)
- Y Q Shen
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - Z C Yang
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - W L Zhong
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - M Jiang
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - Z B Shi
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - J Santos
- Associação EURATOM/IST, Instituto de Plasmas e Fusão Nuclear-Laboratório Associado, Instituto Superior Técnico, 1049-001 Lisboa, Portugal
| | - P W Shi
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - R H Tong
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - G Q Xue
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
- Key Laboratory of Materials Modification by Beams of the Ministry of Education, School of Physics, Dalian University of Technology, Dalian 116024, China
| | - Y Zhou
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
- Department of Engineering Physics, Tsinghua University, Beijing 100084, China
| | - J Wen
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - X Yu
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - W C Deng
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - S Wang
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
| | - Z J Yang
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Z Y Chen
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - D Li
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - X Q Zha
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Z Y Jin
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - X Xu
- International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - M Xu
- Southwestern Institute of Physics, P.O. Box 432, Chengdu 610041, China
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144
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Seidemo A, Wirestam R, Helms G, Markenroth Bloch K, Xu X, Bengzon J, Sundgren PC, van Zijl PCM, Knutsson L. Tissue response curve-shape analysis of dynamic glucose-enhanced and dynamic contrast-enhanced magnetic resonance imaging in patients with brain tumor. NMR Biomed 2023; 36:e4863. [PMID: 36310022 DOI: 10.1002/nbm.4863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/10/2022] [Accepted: 10/28/2022] [Indexed: 05/23/2023]
Abstract
Dynamic glucose-enhanced (DGE) MRI is used to study the signal intensity time course (tissue response curve) after D-glucose injection. D-glucose has potential as a biodegradable alternative or complement to gadolinium-based contrast agents, with DGE being comparable with dynamic contrast-enhanced (DCE) MRI. However, the tissue uptake kinetics as well as the detection methods of DGE differ from DCE MRI, and it is relevant to compare these techniques in terms of spatiotemporal enhancement patterns. This study aims to develop a DGE analysis method based on tissue response curve shapes, and to investigate whether DGE MRI provides similar or complementary information to DCE MRI. Eleven patients with suspected gliomas were studied. Tissue response curves were measured for DGE and DCE MRI at 7 T and the area under the curve (AUC) was assessed. Seven types of response curve shapes were postulated and subsequently identified by deep learning to create color-coded "curve maps" showing the spatial distribution of different curve types. DGE AUC values were significantly higher in lesions than in normal tissue (p < 0.007). Furthermore, the distribution of curve types differed between lesions and normal tissue for both DGE and DCE. The DGE and DCE response curves in a 6-min postinjection time interval were classified as the same curve type in 20% of the lesion voxels, which increased to 29% when a 12-min DGE time interval was considered. While both DGE and DCE tissue response curve-shape analysis enabled differentiation of lesions from normal brain tissue in humans, their enhancements were neither temporally identical nor confined entirely to the same regions. Curve maps can provide accessible and intuitive information about the shape of DGE response curves, which is expected to be useful in the continued work towards the interpretation of DGE uptake curves in terms of D-glucose delivery, transport, and metabolism.
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Affiliation(s)
- Anina Seidemo
- Department of Medical Radiation Physics, Lund University, Lund, Sweden
| | - Ronnie Wirestam
- Department of Medical Radiation Physics, Lund University, Lund, Sweden
| | - Gunther Helms
- Department of Medical Radiation Physics, Lund University, Lund, Sweden
| | | | - Xiang Xu
- Icahn School of Medicine at Mount Sinai, BioMedical Engineering and Imaging Institute, New York, New York, USA
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Johan Bengzon
- Division of Neurosurgery, Department of Clinical Sciences, Lund University and Skåne University Hospital, Lund, Sweden
- Lund Stem Cell Center, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Pia C Sundgren
- Lund University Bioimaging Center, Lund University, Lund, Sweden
- Department of Medical Imaging and Physiology, Skåne University Hospital, Lund and Malmö, Sweden
- Diagnostic Radiology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Peter C M van Zijl
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- F. M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, Maryland, USA
| | - Linda Knutsson
- Department of Medical Radiation Physics, Lund University, Lund, Sweden
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- F. M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, Maryland, USA
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145
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Jiao X, Xu X, Zhang Y. Optical properties of the dual circularly polarized lights reflected from ITO films under electric and thermal fields. J Opt Soc Am A Opt Image Sci Vis 2023; 40:1016-1021. [PMID: 37706754 DOI: 10.1364/josaa.489330] [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: 03/07/2023] [Accepted: 04/09/2023] [Indexed: 09/15/2023]
Abstract
Indium tin oxide (ITO) is widely used in optoelectronic devices due to its excellent optical and electrical properties. The real-time characterization of the ITO surface under electric and thermal fields plays an important role in determining its performance. The Goos-Hänchen (GH) and Imbert-Fedorov (IF) shifts and polarization properties of the dual circularly polarized lights reflected from ITO films can be used to describe its features. The dual circularly polarized lights, right circularly polarized (RCP, S 3≈+1) and left circularly polarized (LCP, S 3≈-1) lights, are obtained by rotating the linear polarizer and quarter-wave plate. The polarization properties and the lateral shifts of the RCP and LCP lights were studied by a polarimeter and a slim beam profiler. The results show that the polarization properties of the dual circularly polarized lights are mainly affected by temperature. The degree of the polarization properties of the RCP and LCP lights changed from 97.85% to 97.40%, and from 98.40 % to 83.50%, respectively. The reflectivity of the RCP and LCP lights changed from 42.19% to 40.37%, and from 43.80% to 0.80%, respectively. The GH and IF shifts of the RCP light are 156.50 µm and186.00 µm, respectively. The GH and IF shifts of the LCP light are 233.00 µm and 257.00 µm, respectively. The ITO film has more effect on the LCP light than that of the RCP light due to its strong ITO film (400) plane.
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146
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Ding X, Xu X, Cui Y, Kost G, Wang P, Yang Z. A fifty-locus phylogenetic analysis provides deep insights into the phylogeny of Tricholoma ( Tricholomataceae, Agaricales). Persoonia 2023; 50:1-26. [PMID: 38567264 PMCID: PMC10983840 DOI: 10.3767/persoonia.2023.50.01] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 06/08/2022] [Indexed: 01/26/2023]
Abstract
As an ectomycorrhizal fungal genus that contains matsutake and other edible mushrooms, Tricholoma has great economic and ecological significance. However, the phylogenetic relationships within the genus remain unsettled. To clarify the infrageneric relationships of Tricholoma, including the identification of monophyletic subgenera and sections, three phylogenetic analyses were conducted employing single-locus (ITS), five-locus (ITS/ RPB2/EF-1α/MCM7/mtSSU) and 50-locus (45 single-copy orthologous genes plus the aforementioned ones) DNA nucleotide sequences. Our data indicated that ITS sequences could serve the species delimitation of Tricholoma in most cases and monophyletic groups recognition in some cases, and the five-locus dataset could resolve a section-level phylogeny of this genus, while the 50-locus dataset could clarify the delimitation of subgenera and settle the relationships among sections within this genus. A fifty-locus dataset was firstly employed to construct a robust phylogeny of Tricholoma. Based on this, a new infrageneric arrangement for the genus Tricholoma, with four subgenera, of which two are in accordance with the previous subgenera Pardinicutis and Sericeicutis, and eleven sections, is suggested. Subgenus Pardinicutis, occupying the basal position, only harbors sect. Pardinicutis, while the subg. Sericeicutis comprises sects. Lasciva and Sericella located at the sub-basal position with good support. Subgenus Terrea is newly erected here and consists of sect. Terrea, sect. Atrosquamosa and two as yet unnamed phylogenetic lineages. Besides an unnamed section-level lineage, subg. Tricholoma consists of sects. Genuina, Muscaria, Rigida, Tricholoma, Fucata and Matsutake, of which the two latter are newly proposed. The previously defined subg. Contextocutis is clustered within subg. Tricholoma and is a synonym of the latter. Tricholoma colossus, T. acerbum and their allies, which used to be allocated in sect. Megatricholoma (or genus Megatricholoma), are relocated to sect. Genuina since they form a strongly supported monophyletic group and share rusty or black spots on lamellae with other species in this section. Taxonomic descriptions of the new infrageneric taxa and a key to subgenera and sections of the genus Tricholoma are presented. Citation: Ding XX, Xu X, Cui YY, et al. 2023. A fifty-locus phylogenetic analysis provides deep insights into the phylogeny of Tricholoma (Tricholomataceae, Agaricales). Persoonia 50: 1-26. https://doi.org/10.3767/persoonia.2023.50.01.
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Affiliation(s)
- X.X. Ding
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - X. Xu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y.Y. Cui
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China
| | - G. Kost
- Department for Systematic Botany and Mycology, Faculty of Biology, University of Marburg, Karl-von-Frisch-Straße 8, 35032 Marburg, Germany
| | - P.M. Wang
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z.L. Yang
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China
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147
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Knutsson L, Xu X, van Zijl PCM, Chan KWY. Imaging of sugar-based contrast agents using their hydroxyl proton exchange properties. NMR Biomed 2023; 36:e4784. [PMID: 35665547 PMCID: PMC9719573 DOI: 10.1002/nbm.4784] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/30/2022] [Accepted: 06/03/2022] [Indexed: 05/13/2023]
Abstract
The ability of CEST MRI to detect the presence of millimolar concentrations of non-metallic contrast agents has made it possible to study, non-invasively, important biological molecules such as proteins and sugars, as well as drugs already approved for clinical use. Here, we review efforts to use sugar and sugar polymers as exogenous contrast agents, which is possible based on the exchange of their hydroxyl protons with water protons. While this capability has raised early enthusiasm, for instance about the possibility of imaging D-glucose metabolism with MRI in a way analogous to PET, experience over the past decade has shown that this is not trivial. On the other hand, many studies have confirmed the possibility of imaging a large variety of sugar analogues, each with potentially interesting applications to assess tissue physiology. Some promising applications are the study of (i) sugar delivery and transport to assess blood-brain barrier integrity and (ii) sugar uptake by cells for their characterization (e.g., cancer versus healthy), as well as (iii) clearance of sugars to assess tissue drainage-for instance, through the glymphatic system. To judge these opportunities and their challenges, especially in the clinic, it is necessary to understand the technical aspects of detecting the presence of rapidly exchanging protons through the water signal in MRI, especially as a function of magnetic field strength. We expect that novel approaches in terms of MRI detection (both saturation transfer and relaxation based), MRI data analysis, and sugar design will push this young field forward in the next decade.
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Affiliation(s)
- Linda Knutsson
- Department of Medical Radiation Physics, Lund University, Lund, Sweden
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, US
| | - Xiang Xu
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine
- BioMedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Peter CM van Zijl
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine
- F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, US
| | - Kannie WY Chan
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, China
- Hong Kong Centre for Cerebro-Cardiovascular Health Engineering, Hong Kong, China
- Tung Biomedical Sciences Centre, City University of Hong Kong
- City University of Hong Kong Shenzhen Institute, Shenzhen, China
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148
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Liang ZC, Tang XF, Yang P, Song J, Lin ZZ, Xu X, Qin YL, Bao YY, Zhang ZQ, Zhang X, Qu JB, Qiao YJ, Xu B. [Research progress and maturity assessment of continuous manufacturing of traditional Chinese medicine]. Zhongguo Zhong Yao Za Zhi 2023; 48:3162-3168. [PMID: 37381999 DOI: 10.19540/j.cnki.cjcmm.20230228.301] [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: 06/30/2023]
Abstract
The pharmaceutical manufacturing model is gradually changing from intermittent manufacturing to continuous manufacturing and intelligent manufacturing. This paper briefly reviewed the supervision and research progress in continuous pharmaceutical manufacturing in China and abroad and described the definition and advantages of continuous pharmaceutical manufacturing. The continuous manufacturing of traditional Chinese medicine(TCM) at the current stage was summarized in the following three terms: the enhancement of the continuity of intermittent manufacturing operations, the integration of continuous equipment to improve physical continuity between units, and the application of advanced process control strategies to improve process continuity. To achieve continuous manufacturing of TCM, the corresponding key technologies, such as material property characterization, process modeling and simulation, process analysis technology, and system integration, were analyzed from the process and equipment, respectively. It was proposed that the continuous manufacturing equipment system should have the characteristics of high speed, high response, and high reliability, "three high(H~3)" for short. Considering the characteristics and current situation of TCM manufacturing, based on the two dimensions of product quality control and production efficiency, a maturity assessment model for continuous manufacturing of TCM, consisting of operation continuity, equipment continuity, process continuity, and quality control continuity, was proposed to provide references for the application of continuous manufacturing technology for TCM. The implementation of continuous manufacturing or the application of key continuous manufacturing technologies in TCM can help to systematically integrate advanced pharmaceutical technology elements and promote the uniformity of TCM quality and the improvement of production efficiency.
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Affiliation(s)
- Zi-Chen Liang
- Department of Chinese Medicine Informatics, Beijing University of Chinese Medicine Beijing 102400, China Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission Beijing 102400, China
| | - Xue-Fang Tang
- Department of Chinese Medicine Informatics, Beijing University of Chinese Medicine Beijing 102400, China Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission Beijing 102400, China
| | - Ping Yang
- Center for Drug Evaluation, National Medical Products Administration Beijing 100022, China
| | - Ju Song
- Center for Drug Evaluation, National Medical Products Administration Beijing 100022, China
| | - Zhao-Zhou Lin
- Beijing Zhongyan Tongrentang Medicine R&D Co., Ltd. Beijing 100079, China National Chinese Compound Medicine Research & Development Center Beijing 100079, China
| | - Xiang Xu
- Shandong Buchang Pharmaceutical Co., Ltd. Heze 274000, China
| | - Yan-Lin Qin
- Tsinghua Deren Xi'an Happiness Pharmaceutical Co., Ltd. Xi'an 710043, China
| | - Yan-Yu Bao
- China Resources Sanjiu Medical & Pharmaceutical Co., Ltd. Shenzhen 518110, China
| | - Zhi-Qiang Zhang
- Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission Beijing 102400, China Beijing Tcmages Pharmaceutical Co., Ltd. Beijing 101301, China National and Regional Joint Engineering Research Center for Key Technologies of Chinese Medicine Formula Granules Tianjin 301700, China
| | - Xin Zhang
- Jiangsu Kanion Pharmaceutical Co., Ltd. Lianyungang 222001, China National and Regional Joint Engineering Research Center for Key Technologies of Chinese Patent Medicine Lianyungang 222001, China State Key Laboratory of New-tech for Chinese Medicine Pharmaceutical Process Lianyungang 222001, China
| | - Jian-Bo Qu
- Center for Drug Evaluation, National Medical Products Administration Beijing 100022, China
| | - Yan-Jiang Qiao
- Department of Chinese Medicine Informatics, Beijing University of Chinese Medicine Beijing 102400, China Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission Beijing 102400, China Engineering Research Center of Chinese Medicine Production and New Drug Development, Ministry of Education of People's Republic of China Beijing 102400, China
| | - Bing Xu
- Department of Chinese Medicine Informatics, Beijing University of Chinese Medicine Beijing 102400, China Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission Beijing 102400, China Engineering Research Center of Chinese Medicine Production and New Drug Development, Ministry of Education of People's Republic of China Beijing 102400, China
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149
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Yang H, Gao J, Cao Y, Xu Y, Liang A, Xu X, Chen Y, Liu S, Huang K, Xu L, Wang C, Cui S, Wang M, Yang L, Luo X, Sun Y, Yang YF, Liu Z, Chen Y. Observation of Mott instability at the valence transition of f-electron system. Natl Sci Rev 2023; 10:nwad035. [PMID: 37484834 PMCID: PMC10359067 DOI: 10.1093/nsr/nwad035] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 07/20/2022] [Accepted: 09/23/2022] [Indexed: 07/25/2023] Open
Abstract
Mott physics plays a critical role in materials with strong electronic correlations. Mott insulator-to-metal transition can be driven by chemical doping, external pressure, temperature and gate voltage, which is often seen in transition metal oxides with 3d electrons near the Fermi energy (e.g. cuprate superconductor). In 4f-electron systems, however, the insulator-to-metal transition is mostly driven by Kondo hybridization and the Mott physics has rarely been explored in experiments. Here, by combining the angle-resolved photoemission spectroscopy and strongly correlated band structure calculations, we show that an unusual Mott instability exists in YbInCu4 accompanying its mysterious first-order valence transition. This contrasts with the prevalent Kondo picture and demonstrates that YbInCu4 is a unique platform to explore the Mott physics in Kondo lattice systems. Our work provides important insight for the understanding and manipulation of correlated quantum phenomena in the f-electron system.
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Affiliation(s)
| | | | | | - Yuanji Xu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Aiji Liang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- ShanghaiTech Laboratory for Topological Physics, Shanghai 201210, China
| | - Xiang Xu
- State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China
| | - Yujie Chen
- State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China
| | - Shuai Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Kui Huang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Lixuan Xu
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China
| | - Chengwei Wang
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China
| | - Shengtao Cui
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Meixiao Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- ShanghaiTech Laboratory for Topological Physics, Shanghai 201210, China
| | - Lexian Yang
- State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China
| | - Xuan Luo
- Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
| | - Yuping Sun
- Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China
- Collaborative Innovation Center of Microstructures, Nanjing University, Nanjing 210093, China
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150
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Fang Q, Cai G, Chen G, Xu X, Zeng H, He Y, Cai S, Wu H. A competing risk-based nomogram to predict cancer-specific survival in patients with retroperitoneal leiomyosarcoma. Heliyon 2023; 9:e16867. [PMID: 37313148 PMCID: PMC10258490 DOI: 10.1016/j.heliyon.2023.e16867] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023] Open
Abstract
Considering the rarity and aggressive nature of retroperitoneal leiomyosarcoma (RLMS), several prognostic factors might contribute to the cancer-specific mortality of these patients. This study aimed to construct a competing risk-based nomogram to predict cancer-specific survival (CSS) for patients with RLMS. In total, 788 cases from the Surveillance, Epidemiology, and End Results (SEER) database (2000-2015) were included. Based on the Fine & Gray's method, independent predictors were screened to develop a nomogram for predicting 1-, 3-, and 5-year CSS. After multivariate analysis, CSS was found significantly associated with tumor characteristics (tumor grade, size, range), as well as surgery status. The nomogram showed solid prediction power and was well calibrated. Through decision curve analysis (DCA), a favorable clinical utility of the nomogram was demonstrated. Additionally, a risk stratification system was developed and distinctive survival between risk groups was observed. In summary, this nomogram showed a better performance than the AJCC 8th staging system and can assist in the clinical management of RLMS.
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