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Xiong G, Tao L, Ma WJ, Gong MJ, Zhao L, Shen LJ, Long CL, Zhang DY, Zhang YY, Wei GH. Urine-derived stem cells for the therapy of diabetic nephropathy mouse model. Eur Rev Med Pharmacol Sci 2021; 24:1316-1324. [PMID: 32096161 DOI: 10.26355/eurrev_202002_20189] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Diabetic nephropathy (DN) is one of the most representative diabetic microangiopathy complications. So far, there have been no satisfactory therapeutic strategies, and the injection of stem cells provides a target for DN therapy. PATIENTS AND METHODS Urine-derived stem cells (USCs) were obtained from 9 healthy men. 24 mice were randomly and equally divided into control group, DN model group, DN+hUSC group (treated with USCs for 3 times). Hematoxylin-eosin (HE) and Masson staining were used to detect histological changes of kidney injury. Creatinine and blood urea nitrogen (BUN) were measured to assess renal function. Besides, myofibroblast accumulation, macrophage infiltration, cell proliferation, and oxidative stress were detected by immunohistochemical analysis. RESULTS Compared with DN model group, DN+hUSC group showed lower function loss, cell infiltration, and oxidative stress, as well as less renal fibrosis, histological damage, and cell proliferation. CONCLUSIONS USC can alleviate inflammation and oxidative stress, reduce renal interstitial fibrosis, improve renal tissue structure and protect renal function through paracrine effect.
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Affiliation(s)
- G Xiong
- Department of Urology; Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering; Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation base of Child development and Critical Disorders; Chongqing Key Laboratory of Pediatrics; Children's Hospital of Chongqing Medical University, Chongqing, China.
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Kong M, Lu Z, Zhong C, Gao Q, Zhou X, Chen R, Xiong G, Hao L, Yang X, Yang N. A higher level of total bile acid in early mid-pregnancy is associated with an increased risk of gestational diabetes mellitus: a prospective cohort study in Wuhan, China. J Endocrinol Invest 2020; 43:1097-1103. [PMID: 32086784 DOI: 10.1007/s40618-020-01196-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 02/06/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE To assess the longitudinal associations between maternal total bile acid (TBA) levels during early mid-pregnancy and the subsequent risk of gestational diabetes mellitus (GDM). METHODS In a prospective cohort study, pregnant women who were enrolled prior to gestational week 16 were followed until delivery. TBA levels were tested during weeks 14-18 of gestation. Using logistic regression, we analyzed the associations between quartiles of TBA and GDM based on a 75-g oral glucose tolerance test (OGTT) at 24-28 gestational weeks. RESULTS The GDM rate was 7.9% (114/1441). The mean TBA level was higher in women with GDM than in those without GDM (2.1 ± 2.0 vs 1.5 ± 1.0 µmol/L, P = 0.000). The highest TBA level quartile (2.1-10.7 µmol/L) had a 1.78-fold (95% CI 1.01, 3.14) increased risk of GDM compared with that of the lowest quartile (0.0-0.8 µmol/L) after adjusting for pre-pregnancy body mass index (BMI), gestational, age at TBA test and other confounders. High TBA levels were involved in the fasting glucose level rather than that at 1 h and 2 h after OGTT in all participants. CONCLUSIONS Pregnant women with higher serum TBA levels during early mid-pregnancy have a higher risk of developing GDM. TBA may be a new risk factor for GDM.
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Affiliation(s)
- M Kong
- Department of Medical Laboratory, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - Z Lu
- Department of Medical Laboratory, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - C Zhong
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - Q Gao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - X Zhou
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - R Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - G Xiong
- Department of Obstetrics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - L Hao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - X Yang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China
| | - N Yang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, MOE Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan, 430030, Hubei, China.
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Yang P, Xiong G, He YK, You LX, Ren BY, Sun YG. Novel Zn and Cd Coordination Polymers Assembled from Imidazole-based Zwitterionic Ligands: Synthesis, Crystal Structures, and Luminescence Properties. RUSS J COORD CHEM+ 2019. [DOI: 10.1134/s1070328419100087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Huang H, Xiong G, Shen P, Cao Z, Zheng L, Zhang T, Zhao Y. MicroRNA-1285 inhibits malignant biological behaviors of human pancreatic cancer cells by negative regulation of YAP1. Neoplasma 2019; 64:358-366. [PMID: 28253715 DOI: 10.4149/neo_2017_306] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pancreatic ductal adenocarcinoma is a most deadly malignancy, with a 5-year survival rate of ~7%. Chemotherapy is the main treatment strategy of this disease. However, the high rate of resistance to chemotherapeutic agent contributes to poor prognosis. MicroRNAs are essential for the initiation, progression and chemoresistance of human malignancies. Previous studies have shown that miRNA-1285 participates in renal cell carcinoma and hepatocellular carcinoma. However, its roles in pancreatic ductal adenocarcinoma are poorly understood. In this study, we confirmed that miR-1285 was significantly down-regulated in gemcitabine-resistant pancreatic cancer cell lines by qRT-PCR. We found that miR-1285 suppressed cell proliferation as well as increased the sensitivity of PDAC cells to gemcitabine by CCK8 assays in vitro. Results from transwell assay indicated that miR-1285 inhibited pancreatic cancer cell migration and invasion. Experiments using different cell lines got identical results. All those results demonstrated that miR-1285 act as tumor suppressor of pancreatic cancer. To our knowledge, this study is the first to elucidate the function of miR-1285 in pancreatic cancer. Western blotting analysis verified that miR-1285 negatively regulated YAP1 protein level, together with EGFR and β-catenin. YAP1 is a known oncoprotein of pancreatic cancer. As silencing of YAP1 activity might be beneficial in cancer prevention and treatment, our results suggest that miR-1285 might serve as a novel therapeutic target for miRNA-based therapy in pancreatic cancer. Further research elucidating the exact mechanisms of miRNA-1285 function and the correlation between miR-1285 levels in tissues or serum and clinical characteristics of pancreatic cancer is needed later.
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Lu D, Liu X, Feng S, Dong X, Shi X, Ji X, Fang T, Wang Z, Hong Z, Ye Y, Ren P, Diao D, Wu H, Xiong G, Wang H, Li M, Cai K. IDENTIFICATION OF THE RELATIVELY FIXED INTRATHORACIC ANATOMICAL LANDMARKS FOR ESOPHAGEAL SEGMENTATION: A CROSS-SECTIONAL SURVEY FROM SOUTHERN CHINA. Chest 2019. [DOI: 10.1016/j.chest.2019.02.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Otton J, Li Z, Koh E, Adams D, Mok K, Harvey M, Ling S, Sungala N, Moylan E, Ng W, Xiong G, Juergens C, Delaney G. Establishment of a Cardio-Oncology Service for Assessment and Management of Acute and Late Cardiovascular Conditions. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Affiliation(s)
- G Xiong
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Z R Xiao
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China.,2 Department of Orthopaedic Surgery, PLA 91st Central Hospital, Jiaozuo, China
| | - W G Zhang
- 3 Department of anatomy and histology, Peking University Health Science Center, Beijing, China
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Zwergal A, Günther L, Brendel M, Beck R, Lindner S, Xiong G, Eilles E, Unterrainer M, Albert N, Becker-Bense S, Ziegler S, la Fougere C, Bartenstein P, Brandt T, Dieterich M. P 61 Glial activation accelerates behavioural compensation of acute unilateral vestibulopathy. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2017.06.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Seventeen fresh lunates with stage III Kienböck's disease were scanned with micro-computed tomography. Four regions of interest were selected to measure trabecular parameters, which were compared with those from normal lunates. Within the three regions in the distal surface, there was more compact trabecular bone in the middle region when compared with the palmar and dorsal regions. In the central part, the trabeculae of the Kienböck's lunates were much thicker than those in normal lunates. The diameters of the palmar nutrient foramina of the Kienböck's lunates were significantly smaller than those in normal lunates. In affected lunates, the bony disruptions were mostly located in the palmar or dorsal areas, which were shown from trabecular bone structure analysis to be structurally weaker. This leads to separation of the distal part of the fractured bone, disruption of the blood supply, poor bone remodelling and proneness to secondary fracture and eventual collapse.
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Affiliation(s)
- G Xiong
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Z Xiao
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - H Wang
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - S Guo
- 2 Department of Trauma & Orthopaedic Surgery, Lister Hospital, Stevenage, UK
| | - J Tao
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
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Xiong G, Xiao Z. The magnetic resonance imaging appearances in Kienböck's disease. J Hand Surg Eur Vol 2017; 42:91-92. [PMID: 27561300 DOI: 10.1177/1753193416664491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- G Xiong
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Z Xiao
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
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King M, Xiong G, Maxim P, Diehn M, Loo B, Xing L. Vesselness-Based Deformable Registration Algorithms Can Reduce Landmark Errors in the Registration of Pulmonary Computed Tomography Images Before and After Radiation Therapy. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Becker-Bense S, Stephan T, Albert N, Brendel M, Unterrainer M, Xiong G, Mille E, Habs M, Herz M, Schwaiger M, Dieterich M, Bartenstein P. EP 30. Hybrid-H215O-PET-fMRI measures during galvanic vestibular stimulation. Clin Neurophysiol 2016. [DOI: 10.1016/j.clinph.2016.05.085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Xiong G, Xiao Z, Wang H, Guo S, Tao J. Microstructural study of the lunate in stage III Kienböck's disease with micro-computed tomography imaging. J Hand Surg Eur Vol 2016. [PMID: 27561299 DOI: 10.1177/1753193416664502.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Seventeen fresh lunates with stage III Kienböck's disease were scanned with micro-computed tomography. Four regions of interest were selected to measure trabecular parameters, which were compared with those from normal lunates. Within the three regions in the distal surface, there was more compact trabecular bone in the middle region when compared with the palmar and dorsal regions. In the central part, the trabeculae of the Kienböck's lunates were much thicker than those in normal lunates. The diameters of the palmar nutrient foramina of the Kienböck's lunates were significantly smaller than those in normal lunates. In affected lunates, the bony disruptions were mostly located in the palmar or dorsal areas, which were shown from trabecular bone structure analysis to be structurally weaker. This leads to separation of the distal part of the fractured bone, disruption of the blood supply, poor bone remodelling and proneness to secondary fracture and eventual collapse.
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Affiliation(s)
- G Xiong
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Z Xiao
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - H Wang
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - S Guo
- 2 Department of Trauma & Orthopaedic Surgery, Lister Hospital, Stevenage, UK
| | - J Tao
- 1 Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
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Fang D, Seisen T, Yang K, Liu P, Fan X, Singla N, Xiong G, Zhang L, Li X, Zhou L. A systematic review and meta-analysis of oncological and renal function outcomes obtained after segmental ureterectomy versus radical nephroureterectomy for upper tract urothelial carcinoma. Eur J Surg Oncol 2016; 42:1625-1635. [PMID: 27612412 DOI: 10.1016/j.ejso.2016.08.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/03/2016] [Accepted: 08/06/2016] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE To perform a systematic review and meta-analysis of the comparative studies reporting oncological and renal function outcomes of segmental ureterectomy (SU) versus radical nephroureterectomy (RNU) for upper tract urothelial carcinomas (UTUC). MATERIALS AND METHODS A literature search on Pubmed, Embase, and the Cochrane library was conducted according to the PRISMA guidelines, and a meta-analysis was performed to assess cancer-specific survival (CSS), overall survival (OS), recurrence-free survival (RFS), intravesical recurrence free survival (IVRFS) and surgery-related variations in estimated glomerular filtration rate (eGFR). RESULTS A total of 11 retrospective studies with 3963 patients who underwent either SU (n = 983; 24.8%) or RNU (n = 2980; 75.2%) were included. Although patients treated with SU were more likely to be diagnosed with favorable pathological features, the meta-analysis of unadjusted data revealed no significant difference between both groups in terms of CSS (HR 0.90, p = 0.33) and OS (HR 0.98, p = 0.93). Accordingly, the meta-analysis of adjusted data confirmed equivalent CSS (HR = 0.90, p = 0.47) between SU and RNU. Similarly, no significant difference was found in terms of RFS (HR 1.06, p = 0.72) and IVRFS (HR 1.35, p = 0.39). However, a significant decreased risk of impaired renal function was observed after SU when compared to RNU (mean eGFR difference = 9.32 ml/1.73 m2, p = 0.007). CONCLUSION Although adverse patient and tumor characteristics were not equally balanced between treatment arms, our systematic review and meta-analysis supports similar oncological outcomes between SU and RNU, with better preservation of renal function after SU. As such, SU should be preferably used as the first-line treatment for low-risk ureter tumors, while considered for selected cases of high-risk disease.
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Affiliation(s)
- D Fang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
| | - T Seisen
- Academic Department of Urology, Pitié Salpétrière Hospital, APHP, 47-83 Boulevard de l'Hôpital, Paris F-75013, France; UPMC University Paris 06, GRC5, ONCOTYPE-Uro, Institut Universitaire de Cancérologie, Paris F-75005, France
| | - K Yang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
| | - P Liu
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
| | - X Fan
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, No.107 Yanjiang West Rd, Yuexiu District, Guangzhou 510120, China
| | - N Singla
- Department of Urology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - G Xiong
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
| | - L Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
| | - X Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China.
| | - L Zhou
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, No. 8 Xishiku St, Xicheng District, Beijing 100034, China
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Zhao W, Xing L, Zhang Q, Xiong G, Min J. SU-F-I-41: Calibration-Free Material Decomposition for Dual-Energy CT. Med Phys 2016. [DOI: 10.1118/1.4955869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Tan D, Tong XL, Hu H, Wu SY, Li CL, Xiong G, Xiang ZH, Dai FY, Lu C. Morphological characterization and molecular mapping of an irradiation-induced Speckled mutant in the silkworm, Bombyx mori. Insect Mol Biol 2016; 25:93-104. [PMID: 26661290 DOI: 10.1111/imb.12205] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Speckled (Spc), an X-ray-induced lethal mutant of Bombyx mori, exhibits a mosaic dark-brown-spotted larval epidermis in both sexes and egg-laying problems only in females. Here, we report the morphological characterization and molecular mapping of the Spc mutant. Morphological investigations revealed that the epidermal ultrastructure of the small, dark-brown spots was more dense than that of the white regions in both Spc/+ mutants and wild type, and that the lethality of the Spc/Spc mutants occurred during early embryogenesis. Furthermore, the ovarioles and ovipositor were disconnected in approximately 85.5% of Spc/+ females, a further 2.5% had a connection between the ovarioles and ovipositor that was too narrow to lay eggs. The remaining females showed a normal connection similar to that of the wild type. We successfully narrowed down the location of the Spc mutation to a region on chromosome 4 that was ∼1041 kb long. Gene-prediction analysis identified 25 candidate genes in this region. Chromosome structure analysis indicated that a ∼305 kb deletion was included in the mapping region. Temporal and spatial reverse transcription PCR (RT-PCR) analysis showed that several genes in the mapped region are associated with the Spc mutant. Although the genes responsible for the Spc mutation were not definitively identified, our results further the current understanding of the complex mechanism underlying the multiple morphological defects in Spc mutants.
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Affiliation(s)
- D Tan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - X-L Tong
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - H Hu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - S-Y Wu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - C-L Li
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - G Xiong
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - Z-H Xiang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - F-Y Dai
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - C Lu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
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Xiong G, Flynn TJ, Chen J, Trinkle C, Xu R. Development of an ex vivo breast cancer lung colonization model utilizing a decellularized lung matrix. Integr Biol (Camb) 2015; 7:1518-25. [PMID: 26563425 DOI: 10.1039/c5ib00157a] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The metastatic spread of cancer cells to distant sites represents the major cause of cancer-related deaths in breast cancer patients, and lungs are one of the most common sites for metastatic colonization. Developing a physiologically relevant tissue culture model to mimic lung colonization of breast cancer is crucial for the investigation of the biology of cancer metastasis and evaluation of drug treatment efficacy. Here, we describe an ex vivo lung colonization assay for breast cancer using the native three-dimensional (3D) lung extracellular matrix. The native matrix was isolated from murine lungs using a decellularization technique, and the preservation of extracellular matrix (ECM) composition, integrity and mechanical properties was confirmed. We showed that metastatic MDA-MB 231 and 4T1 cells invaded and colonized in the decellularized lung matrix, whereas only a small mass of non-metastatic MCF7 cells survived under the same condition. Furthermore, knockdown of ZEB1, an epithelial-mesenchymal transition (EMT) inducer, significantly reduced invasion and colonization of MDA-MB 231 cells in the decellularized lung, suggesting an important role of EMT in breast cancer metastasis. We conclude that the decellularized lung retains the biophysical and biochemical properties of the lung ECM and provides a powerful tool to investigate the lung colonization of breast cancer.
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Affiliation(s)
- G Xiong
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
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Wang XQ, Zeng D, Ma X, Xiong G, Wang ZY, Sakamoto T. Isolation and characterization of novel polymorphic microsatellite loci in large yellow croaker (Larimichthys crocea). Genet Mol Res 2015; 14:9437-40. [PMID: 26345877 DOI: 10.4238/2015.august.14.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The large yellow croaker (Larimichthys crocea) is one of the largest marine net-cage cultured species in the oceans around China. In the present study, we isolated and characterized 13 polymorphic microsatellite markers from genomic libraries of L. crocea. Loci were screened for 10 wild specimens from 2 sites in southeast of China. All loci were polymorphic. The number of alleles per locus ranged from 2 to 21. The expected heterozygosity ranged from 0.233 to 0.838 and observed heterozygosity ranged from 0.527 to 0.935. Eleven loci were highly informative (polymorphic information content >0.5). Significant deviation from Hardy-Weinberg equilibrium was observed at 3 loci after Bonferroni's correction. The microsatellite loci may be valuable tools for studying the genetic diversity and genetic structure for conservation planning of the fish.
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Affiliation(s)
- X Q Wang
- College of Animal Science and Technology, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan Agriculture University, Changsha, Hunan, China
| | - D Zeng
- College of Animal Science and Technology, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan Agriculture University, Changsha, Hunan, China
| | - X Ma
- College of Animal Science and Technology, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan Agriculture University, Changsha, Hunan, China
| | - G Xiong
- College of Animal Science and Technology, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan Agriculture University, Changsha, Hunan, China
| | - Z Y Wang
- College of Animal Science and Technology, Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan Agriculture University, Changsha, Hunan, China
| | - T Sakamoto
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology, Tokyo, Japan
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Becker-Bense S, Feuerecker R, Xiong G, Feil K, Bartenstein P, Strupp M, Dieterich M. P37. Effects of acetyl-dl-leucine on the cerebral activation pattern in cerebellar ataxia (FDG-PET study). Clin Neurophysiol 2015. [DOI: 10.1016/j.clinph.2015.04.175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Schöberl F, Xiong G, Feil K, Bartenstein P, Fougere CL, Brandt T, Jahn K, Strupp M, Dieterich M, Zwergal A. V12. [18F]-FDG-PET imaging of the cerebral orthostatic tremor network during stance. Clin Neurophysiol 2015. [DOI: 10.1016/j.clinph.2015.04.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Zwergal A, Günther L, Beck R, Xiong G, Eilles E, Lindner S, Bartenstein P, Fougere CL, Brandt T, Dieterich M. V30. In vivo imaging of cerebral glial activation after unilateral labyrinthectomy. Clin Neurophysiol 2015. [DOI: 10.1016/j.clinph.2015.04.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Xu Q, Xing L, Xiong G, Elmore K, Min J. SU-E-I-41: Dictionary Learning Based Quantitative Reconstruction for Low-Dose Dual-Energy CT (DECT). Med Phys 2015. [DOI: 10.1118/1.4924038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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23
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Xu Q, Xing L, Xiong G, Elmore K, Min J. SU-E-I-39: Combining Conventional Tomographic Imaging Strategy and Interior Tomography for Low Dose Dual-Energy CT (DECT). Med Phys 2015. [DOI: 10.1118/1.4924036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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24
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Li C, Zuo W, Tong X, Hu H, Qiao L, Song J, Xiong G, Gao R, Dai F, Lu C. A composite method for mapping quantitative trait loci without interference of female achiasmatic and gender effects in silkworm,Bombyx mori. Anim Genet 2015; 46:426-32. [DOI: 10.1111/age.12311] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2015] [Indexed: 11/27/2022]
Affiliation(s)
- C. Li
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - W. Zuo
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - X. Tong
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - H. Hu
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - L. Qiao
- Institute of Entomology and Molecular Biology; College of Life Sciences; Chongqing Normal University; Chongqing 401331 China
| | - J. Song
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - G. Xiong
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - R. Gao
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - F. Dai
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
| | - C. Lu
- State Key Laboratory of Silkworm Genome Biology; Southwest University; Chongqi-ng 400716 China
- Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry; Southwest University; Chongqing 400716 China
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25
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Rominger A, Cumming P, Brendel M, Xiong G, Zach C, Karch S, Tatsch K, Bartenstein P, la Fougère C, Koch W, Pogarell O. Altered serotonin and dopamine transporter availabilities in brain of depressed patients upon treatment with escitalopram: A [123 I]β-CIT SPECT study. Eur Neuropsychopharmacol 2015; 25:873-81. [PMID: 25819144 DOI: 10.1016/j.euroneuro.2014.12.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 11/25/2014] [Accepted: 12/24/2014] [Indexed: 01/13/2023]
Abstract
Altered SERT and DAT availabilities during treatment with escitalopram were investigated with [(123)I]2β-carbomethoxy-3β-(4-iodophenyl)tropane (β-CIT) SPECT in a series of patients fulfilling the criteria for unipolar major depressive disorder (MDD). 27 patients (10m, 42±16y) with diagnosis of MDD were recruited for the study. All patients underwent neuropsychiatric testing for assessment of Hamilton Depression (HAM-D) and Beck Depression Inventory (BDI) scores. At baseline, [(123)I]β-CIT SPECT recordings were acquired 4h (SERT-weighted) and 20-24h p.i (DAT-weighted). Follow-up scans and neuropsychiatric testing were performed after six weeks of stable escitalopram medication. Voxel-wise parametric maps of specific/ non-specific ratios-1 (~BPND) were calculated. At baseline, DAT-weighted BPND was 5.06±0.81 in striatum and SERT-weighted BPND was 0.94±0.18 in thalamus. There were significant negative correlations with age for DAT in striatum (R=-0.60; p<0.01) and SERT in thalamus (R=-0.45; p<0.05). Under SSRI treatment there was an apparent 42% occupancy of SERT in thalamus (p<0.0001), whereas DAT availability increased significantly by 20% in striatum (p<0.001); higher apparent SERT occupancy in thalamus was associated with lesser DAT increase in striatum (R=-0.62; p<0.005). The low apparent SERT occupancy may be confounded by alterations in SERT expression during treatment. Thus, [(123)I]β-CIT SPECT revealed age-dependent declines in DAT and SERT availabilities in un-medicated MDD patients, comparable to that seen previously in healthy controls. At follow-up, the SSRI-evoked increase in DAT was less pronounced in the older patients, even though apparent SERT occupancy and clinical improvement were not age-dependent. Present findings may have implications for escitalopram dosage and side effect profile in younger MDD patients.
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Affiliation(s)
- A Rominger
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany.
| | - P Cumming
- Department of Psychiatry, University of Oslo, Oslo, Norway
| | - M Brendel
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - G Xiong
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - C Zach
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - S Karch
- Department of Psychiatry, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - K Tatsch
- Department of Nuclear Medicine, Municipal Hospital Karlsruhe Inc., Karlsruhe, Germany
| | - P Bartenstein
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - C la Fougère
- Department of Nuclear Medicine, University of Tubingen, Tubingen, Germany
| | - W Koch
- Department of Nuclear Medicine, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - O Pogarell
- Department of Psychiatry, Ludwig-Maximilians-University of Munich, Munich, Germany
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26
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Zhao W, Niu T, Xing L, Xiong G, Elmore K, Zhu J, Wang L, Min J. MO-FG-204-03: Using Edge-Preserving Algorithm for Significantly Improved Image-Domain Material Decomposition in Dual Energy CT. Med Phys 2015. [DOI: 10.1118/1.4925424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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27
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Lutz F, Xiong G, Jungblut R, Orlik-Eisel G, Göbel-Reifert A, Leidolf R. Pore-forming cytotoxin of Pseudomonas aeruginosa: the molecular effects and aspects of pathogenicity. Antibiot Chemother (1971) 2015; 44:54-8. [PMID: 1724893 DOI: 10.1159/000420297] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- F Lutz
- Institut für Pharmakologie und Toxikologie der Universität, Giessen, FRG
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28
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Cai KC, Liu DG, Wang YY, Wu H, Huang ZY, Cai RJ, Wang HF, Xiong G, Zhang ZL. Gefitinib maintenance therapy in Chinese advanced-stage lung adenocarcinoma patients with EGFR mutations treated with prior chemotherapy. Neoplasma 2015; 62:302-7. [PMID: 25591596 DOI: 10.4149/neo_2015_036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
UNLABELLED The aim of this study was to determine the response of advanced-stage non-small cell lung cancer (NSCLC) patients with or without EGFR mutations to platinum-based chemotherapy with or without gefitinib maintenance. Patients were treated with four cycles of platinum-based chemotherapy. Patients with wild-type EGFR were observed (group 1; n=15). EGFR mutation-positive patients were randomly assigned to observation (group 2; n=7) or gefitinib maintenance (group 3; n=7). The median patient age was 59 years. The 1-year progression-free survival rates in groups 1, 2, and 3 were 6.7%, 28.6%, and 57.1%, respectively (p = 0.049); the 1-year overall survival rates were 53.3%, 57.1 %, and 100%, respectively (p = 0.111). The results indicate that patients with advanced-stage NSCLC with EGFR mutations have a better response to chemotherapy followed by gefitinib than chemotherapy alone and a better response to chemotherapy than wild-type patients. KEYWORDS chemotherapy, gefitinib, NSCLC, tyrosine kinase inhibitors.
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Abstract
Ten patients with metacarpophalangeal joint locking of the thumb were studied. Three of them underwent surgical release. During surgery, it was found that the radial sesamoid was seated in a cartilage defect on the volar aspect of the metacarpal head. It appeared that the defect was created by the proximal edge of sesamoid. When the abductor pollicis brevis and flexor pollicis brevis muscles were partially detached from their insertion at the base of the proximal phalanx, the locking could be successfully released. We hypothesize the mechanism of the metacarpophalangeal joint locking of the thumb in our cases was a hyperextension injury that displaced the radial sesamoid distally and radially. In turn, the sesamoid's pointed proximal edge wore a groove in the cartilage on the metacarpal head, and under abductor pollicis brevis and flexor pollicis brevis tension, the radial sesamoid was locked into the cartilage defect; thereby causing locking of the joint.
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Affiliation(s)
- G Xiong
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - Y Gao
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - S Guo
- Department of Trauma & Orthopaedic Surgery, Charing Cross Hospital, London, UK
| | - L Dai
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - K Liu
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
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30
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Taylor-Teeples M, Lin L, de Lucas M, Turco G, Toal TW, Gaudinier A, Young NF, Trabucco GM, Veling MT, Lamothe R, Handakumbura PP, Xiong G, Wang C, Corwin J, Tsoukalas A, Zhang L, Ware D, Pauly M, Kliebenstein DJ, Dehesh K, Tagkopoulos I, Breton G, Pruneda-Paz JL, Ahnert SE, Kay SA, Hazen SP, Brady SM. An Arabidopsis gene regulatory network for secondary cell wall synthesis. Nature 2014; 517:571-5. [PMID: 25533953 PMCID: PMC4333722 DOI: 10.1038/nature14099] [Citation(s) in RCA: 447] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Accepted: 11/20/2014] [Indexed: 12/15/2022]
Abstract
The plant cell wall is an important factor for determining cell shape, function and response to the environment. Secondary cell walls, such as those found in xylem, are composed of cellulose, hemicelluloses and lignin and account for the bulk of plant biomass. The coordination between transcriptional regulation of synthesis for each polymer is complex and vital to cell function. A regulatory hierarchy of developmental switches has been proposed, although the full complement of regulators remains unknown. Here, we present a protein-DNA network between Arabidopsis transcription factors and secondary cell wall metabolic genes with gene expression regulated by a series of feed-forward loops. This model allowed us to develop and validate new hypotheses about secondary wall gene regulation under abiotic stress. Distinct stresses are able to perturb targeted genes to potentially promote functional adaptation. These interactions will serve as a foundation for understanding the regulation of a complex, integral plant component.
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Affiliation(s)
- M Taylor-Teeples
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - L Lin
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - M de Lucas
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - G Turco
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - T W Toal
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - A Gaudinier
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - N F Young
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - G M Trabucco
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - M T Veling
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - R Lamothe
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - P P Handakumbura
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - G Xiong
- Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California 94720, USA
| | - C Wang
- Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - J Corwin
- Department of Plant Sciences, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - A Tsoukalas
- 1] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Department of Computer Science, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - L Zhang
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - D Ware
- 1] Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA [2] US Department of Agriculture, Agricultural Research Service, Ithaca, New York 14853, USA
| | - M Pauly
- Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California 94720, USA
| | - D J Kliebenstein
- Department of Plant Sciences, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - K Dehesh
- Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - I Tagkopoulos
- 1] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Department of Computer Science, University of California Davis, One Shields Avenue, Davis, California 95616, USA
| | - G Breton
- Section of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - J L Pruneda-Paz
- Section of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - S E Ahnert
- Theory of Condensed Matter Group, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK
| | - S A Kay
- Section of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - S P Hazen
- Biology Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - S M Brady
- 1] Department of Plant Biology, University of California Davis, One Shields Avenue, Davis, California 95616, USA [2] Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, USA
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Zwergal A, Beck R, Günther L, Xiong G, Brandt T, Jahn K, Strupp M, Dieterich M, la Fougere C. Beeinflusst eine symptomlindernde Akuttherapie bei einseitigem Labyrinthausfall die zentrale vestibuläre Kompensation? KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Schöberl F, Kugler G, Kohlbecher S, Werner P, Xiong G, la Fougere C, Schneider E, Brandt T, Dieterich M, Jahn K, Zwergal A. Hirnaktivierung während realer 3D-Navigation. KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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33
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Zwergal A, Günther L, Beck R, Xiong G, Brandt T, Jahn K, Strupp M, Dieterich M, la Fougere C. N-Acetyl-L-leucine beschleunigt die vestibuläre Kompensation durch Modulation cerebellärer und thalamischer Plastizität. KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Affiliation(s)
- L. Wang
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - G. Xiong
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
| | - L. Dai
- Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China
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35
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Clark JN, Beitra L, Xiong G, Higginbotham A, Fritz DM, Lemke HT, Zhu D, Chollet M, Williams GJ, Messerschmidt M, Abbey B, Harder RJ, Korsunsky AM, Wark JS, Robinson IK. Ultrafast three-dimensional imaging of lattice dynamics in individual gold nanocrystals. Science 2013; 341:56-9. [PMID: 23704372 DOI: 10.1126/science.1236034] [Citation(s) in RCA: 238] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Key insights into the behavior of materials can be gained by observing their structure as they undergo lattice distortion. Laser pulses on the femtosecond time scale can be used to induce disorder in a "pump-probe" experiment with the ensuing transients being probed stroboscopically with femtosecond pulses of visible light, x-rays, or electrons. Here we report three-dimensional imaging of the generation and subsequent evolution of coherent acoustic phonons on the picosecond time scale within a single gold nanocrystal by means of an x-ray free-electron laser, providing insights into the physics of this phenomenon. Our results allow comparison and confirmation of predictive models based on continuum elasticity theory and molecular dynamics simulations.
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Affiliation(s)
- J N Clark
- London Centre for Nanotechnology, University College London, London, UK.
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36
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Schöberl F, Zwergal A, Engmann J, Kugler G, Kohlbecher S, Xiong G, Brandt T, Dieterich M, Schneider E, LaFougère C, Jahn K. Unterschiedliche Navigationsstrategien von Frauen und Männern in realer Umgebung und ihre Korrelate im Hirnaktivierungsmuster. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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37
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Zwergal A, Schöberl F, Kugler G, Kohlbecher S, Engler J, Xiong G, Brandt T, Dieterich M, Dichgans M, Bürger K, Schneider E, la Fougere C, Jahn K. Spatial orientation deficits in mild cognitive impairment. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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38
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Xiong G, Li B, Wang K, Li H. Chinese herb formulae for treatment of erectile dysfunction: a systematic review of randomised controlled clinical trials. Andrologia 2013; 46:201-23. [PMID: 23421655 DOI: 10.1111/and.12074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2012] [Indexed: 02/05/2023] Open
Affiliation(s)
- G. Xiong
- Department of Urology; West China Hospital & West China School of Medicine; Sichuan University; Chengdu China
| | - B. Li
- Department of Gastroenterology; Xi Yuan Hospital; China Academy of Chinese Medical Science; Beijing China
| | - K. Wang
- Department of Urology; West China Hospital & West China School of Medicine; Sichuan University; Chengdu China
| | - H. Li
- Department of Urology; West China Hospital & West China School of Medicine; Sichuan University; Chengdu China
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39
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Zwergal A, la Fougere C, Lorenzl S, Rominger A, Xiong G, Deutschenbaur L, Schoberl F, Linn J, Dieterich M, Brandt T, Strupp M, Bartenstein P, Jahn K. Functional disturbance of the locomotor network in progressive supranuclear palsy. Neurology 2013; 80:634-41. [DOI: 10.1212/wnl.0b013e318281cc43] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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40
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Deutschlander A, La Fougere C, Xiong G, Botzel K, Grunder G, Cumming P. Therapeutic Occupancy of the D2/3-Preferring Dopamine Receptor Agonist Pramipexol in Brains of Patients with Parkinson's Disease ([18F]-Fallypride PET Study) (P03.126). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p03.126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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41
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Zwergal A, Xiong G, Schlichtiger J, Schöberl F, Strupp M, Jahn K, Dieterich M, Bartenstein P, la Fougère C. Altersabhängigkeit der zentralen vestibulären Kompensation - Erkenntnisse einer vergleichenden mikroPET-Verhaltensstudie im Rattenmodell. KLIN NEUROPHYSIOL 2012. [DOI: 10.1055/s-0032-1301537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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42
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Deutschländer A, La Fougere C, Xiong G, Bötzel K, Gründer G, Cumming P. Therapeutic Occupancy of the D2/3-preferring Dopamine Receptor Agonist Pramipexol Parkinson's Disease ([18F]-fallypride PET study). KLIN NEUROPHYSIOL 2012. [DOI: 10.1055/s-0032-1301629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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43
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Xiong G, Xing L. Automated Bifurcation Detection in CT Images of the Lung. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Xiong G, Xing L. Bifurcation Trajectory Tracking in 4D CT Images of the Lung. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Zhang YY, Jiang SL, Yu Y, Xiong G, Zhang QF, Guang GZ. Phase transformation mechanisms and piezoelectric properties of poly(vinylidene fluoride)/montmorillonite composite. J Appl Polym Sci 2011. [DOI: 10.1002/app.34431] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Xiong G, Xing L. WE-E-BRC-09: 4D CT Image Based Bifurcation Trajectory Tracking in the Lung. Med Phys 2011. [DOI: 10.1118/1.3613387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Xiong G, Xing L. SU-E-I-02: Automated Detection of Bifurcations in CT Images of the Lung. Med Phys 2011. [DOI: 10.1118/1.3611574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zwergal A, la Fougère C, Lorenzl S, Rominger A, Xiong G, Deutschenbaur L, Linn J, Krafczyk S, Dieterich M, Brandt T, Strupp M, Bartenstein P, Jahn K. Postural imbalance and falls in PSP correlate with functional pathology of the thalamus. Neurology 2011; 77:101-9. [PMID: 21613601 DOI: 10.1212/wnl.0b013e318223c79d] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To determine how postural imbalance and falls are related to regional cerebral glucose metabolism (PET) and functional activation of the cerebral postural network (fMRI) in patients with progressive supranuclear palsy (PSP). METHODS Sixteen patients with PSP, who had self-monitored their frequency of falls, underwent a standardized clinical assessment, posturographic measurement of balance during modified sensory input, and a resting [¹⁸F]FDG-PET. In addition, patients performed an fMRI paradigm using mental imagery of standing. Results were compared to healthy controls (n = 16). RESULTS The frequency of falls/month in patients (range 1-40) correlated with total PSP rating score (r = 0.90). Total sway path in PSP significantly correlated with frequency of falls, especially during modulated sensory input (eyes open: r = 0.62, eyes closed: r = 0.67, eyes open/head extended: r = 0.84, eyes open/foam-padded platform: r = 0.87). Higher sway path values and frequency of falls were associated with decreased regional glucose metabolism (rCGM) in the thalamus (sway path: r = -0.80, falls: r = -0.64) and increased rCGM in the precentral gyrus (sway path: r = 0.79, falls: r = 0.64). Mental imagery of standing during fMRI revealed a reduced activation of the mesencephalic brainstem tegmentum and the thalamus in patients with postural imbalance and falls. CONCLUSIONS The new and clinically relevant finding of this study is that imbalance and falls in PSP are closely associated with thalamic dysfunction. Deficits in thalamic postural control get most evident when balance is assessed during modified sensory input. The results are consistent with the hypothesis that reduced thalamic activation via the ascending brainstem projections may cause postural imbalance in PSP.
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Affiliation(s)
- A Zwergal
- Department of Neurology and IFB, Ludwig-Maximilians-University of Munich, Munich, Germany.
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Sun YG, Song X, Wang L, Yu W, Wang YQ, Xiong G, Guo MY, Gao EJ. Four Ln(III) coordination polymers based on 1H-benzimidazole-5,6-dicarboxylate ligand: Synthesis, crystal structure, and luminescence. RUSS J COORD CHEM+ 2011. [DOI: 10.1134/s1070328411040087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Selvan S, Price E, Collins D, Williamson L, Lahiri M, Teng GG, Lau TC, Mak A, Vasoo S, Lateef A, Boey ML, Koh DR, Lim A, Abdelhamid A, Mooney J, Walker A, Barton G, Scott DG, Watts R, Griffin SJ, Scott DL, Steer S, Wallis D, McHugh N, Bukhari M, Kitas G, Shah P, Cox M, Nye A, Jones P, John H, Erb N, Bamji A, Fitzpatrick R, Keary IP, Ellis B, Steer S, Scott DL, Farooq U, Xiong G, Hsiang chuang L, Zhang G, Perry L, King J, Goh L, Orourke K, Laversuch C, Perry L, Cherry R, Cockcroft A, Hutchinson D, Fitzpatrick R, Buchan S, Marks JL, Hull RG, Fletcher M, Ledingham JM. Health services research, economics and outcomes research: 52. Reducing New-to-Follow-up Ratios: No More Easy Solutions. Rheumatology (Oxford) 2011. [DOI: 10.1093/rheumatology/ker040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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