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Deng W, Zhang J, Yang J, Wang Z, Pan Z, Yue X, Zhao R, Qian Y, Yu Y, Li X. Changes in brain susceptibility in Wilson's disease patients: a quantitative susceptibility mapping study. Clin Radiol 2024; 79:e282-e286. [PMID: 38087682 DOI: 10.1016/j.crad.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 01/02/2024]
Abstract
AIM To assess changes in the susceptibility of the caudate nucleus (CN), putamen, and globus pallidus (GP) in patients with neurological and hepatic Wilson's disease (WD) by quantitative susceptibility mapping (QSM). MATERIAL AND METHODS The brain MRI images of 33 patients diagnosed with WD and 20 age-matched controls were analysed retrospectively. All participants underwent brain T1-weighted, T2-weighted, and QSM imaging using a 1.5 T magnetic resonance imaging (MRI) machine. QSM maps were evaluated with the STISuite toolbox. The quantitative susceptibility levels of the CN, putamen, and GP were analysed using region of interest analysis on QSM maps. Differences among neurological WD patients, hepatic patients, and controls were determined. RESULTS Susceptibility levels were significantly higher for all examined structures (CN, putamen and GP) in patients with neurological WD compared with controls (all p<0.05) and hepatic WD patients (all p<0.05). No statistically significant differences were found in susceptibility levels between patients with hepatic WD and controls (all p>0.05). CONCLUSION The QSM technique is a valuable tool for detecting changes in brain susceptibility in WD patients, indicating abnormal metal deposition. Notably, the current findings suggest that neurological WD patients exhibit more severe susceptibility changes compared with hepatic WD patients. Therefore, QSM can be utilised as a complementary method to detect brain injury in WD patients.
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Affiliation(s)
- W Deng
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - J Zhang
- Department of Neurology, Institute of Neurology, Anhui University of Traditional Chinese Medicine, Anhui, China
| | - J Yang
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - Z Wang
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - Z Pan
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - X Yue
- Philips Healthcare, Beijing, China
| | - R Zhao
- Department of Cardiology, The First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Y Qian
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - Y Yu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China
| | - X Li
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center, Hefei, Anhui Province, No. 218 Jixi Road, Hefei, 230022, China.
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Zhang R, Liu Y, Yang R, Chen C, Fu C, Pan Z, Cai W, He SM, Zhang W. Deep Learning for Automated Contouring of Primary Gross Tumor Volumes by MRI for Radiation Therapy of Brain Metastasis. Int J Radiat Oncol Biol Phys 2023; 117:e496. [PMID: 37785562 DOI: 10.1016/j.ijrobp.2023.06.1734] [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) Radiotherapy is one of the most effective methods for the treatment of brain metastases (BMs). Traditional manual delineation of primary gross tumor volumes (GTV) of multiple BMs (especially small metastases) in radiotherapy practice is extremely labor intensive and highly dependent on oncologists' experience, achieving the precise and efficient automatic delineation of BMs is of great significance for efficient and homogeneous one-stop adaptive radiotherapy. MATERIALS/METHODS We retrospectively collected 62 MRI (non-enhanced T1-weighted sequences) sequences of 50 patients with BMs from January 2020 to July 2021. An automatic model (BUC-Net) for automatic delineation BMs was proposed in this work, which was based on deep learning by combining 3D bottler layer module and the cascade architecture to improve the accuracy and efficient of BMs' automatic delineation, especially for small metastases with tiny size and relatively low contrast. The prosed method was compared with the existing 3D U-Net (U-Net) and 3D U-Net Cascade (U-Net Cascade). The performance of our proposed method was evaluated by Dice similarity coefficient (DSC), 95% Hausdorff distance (HD95) and average surface distance (ASD) with human experts. RESULTS The automatic segmentation results of BUC-Net evaluated with 310 BMs in 13 test patients was summarized in Table 1. These BMs in each test patient were automatically delineated by two types of contours: as a whole tumor contour (Whole-delineation) and the multiple tumor contours (Multiple-delineation). BUC-Net performed the best mean DSC and HD95, which is significantly outperformed U-Net (Whole-delineation: 0.911 & 0.894 of DSC, Multiple-delineation: 0.794 & 0.754 of DSC, P < 0.05 for both) and U-Net cascade (Whole-delineation: 0.947 & 7.141 of HD95, Multiple-delineation: 0.902 & 1.171 of HD95, P < 0.05 for both); Additionally, BUC-Net achieved the best mean ASD for Whole-delineation and comparable ASD (0.290 & 0.277, P > 0) for Multiple-delineation with U-Net Cascade. CONCLUSION Our results showed that the proposed approach is promising for the automatic delineation of BMs in MRI, which can be integrated into a radiotherapy workflow to significantly shorten segmentation time.
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Affiliation(s)
- R Zhang
- Department of Radiation Oncology, The First Hospital of Tsinghua University, Beijing, China
| | - Y Liu
- United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China
| | - R Yang
- Department of Radiation Oncology, The First Hospital of Tsinghua University, Beijing, China
| | - C Chen
- Department of Radiation Oncology, The First Hospital of Tsinghua University, Beijing, China
| | - C Fu
- Department of Radiation Oncology, The First Hospital of Tsinghua University, Beijing, China
| | - Z Pan
- Department of Radiation Oncology, The First Hospital of Tsinghua University, Beijing, China
| | - W Cai
- United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, 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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Yang C, Tang X, Pan Z. [Experimental study on the molluscicidal activity of surfactin against Oncomelania hupensis]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2023; 35:394-397. [PMID: 37926476 DOI: 10.16250/j.32.1374.2022246] [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] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
OBJECTIVE To evaluate the molluscicidal activity of surfactin against Oncomelania hupensis, so as to provide the experimental basis for use of Bacillus for killing O. hupensis. METHODS O. hupensis snails were collected from schistosomiasisendemic foci of Wuhu City on September 2022, and Schistosoma japonicum-infected snails were removed. Then, 60 snails were immersed in surfactin at concentrations of 2, 1, 0.5, 0.25, 0.125 mg/mL and 0.062 5 mg/mL for 24, 48, 72 hours at 26 °C, while ultrapure water-treated snails served as controls. The median lethal concentration (LC50) of surfactin against O. hupensis snails was estimated. O. hupensis snails were immersed in surfactin at a concentration of 24 h LC50 and ultrapure water, and then stained with propidium iodide (PI). The PI uptake in haemocyte was observed in O. hupensis snails using fluorescence microscopy. RESULTS The mortality of O. hupensis was 5.0% following immersion in surfactin at a concentration of 0.062 5 mg/mL for 24 h, and the mortality was 100.0% following immersion in surfactin at a concentration of 2 mg/mL for 72 h, while no snail mortality was observed in the control group. There were significant differences in the mortality of O. hupensis in each surfactin treatment groups at 24 (χ2 = 180.150, P < 0.05), 48 h (χ2 = 176.786, P < 0.05) and 72 h (χ2 = 216.487, P < 0.05), respectively. The average mortality rates of O. hupensis were 38.9% (140/360), 62.2% (224/360) and 83.3% (300/360) 24, 48 h and 72 h post-immersion in surfactin, respectively (χ2 = 150.264, P < 0.05), and the 24, 48 h and 72 h LC50 values of surfactin were 0.591, 0.191 mg/mL and 0.054 mg/mL against O. hupensis snails. Fluorescence microscopy showed more numbers of haemocytes with PI uptake in 0.5 mg/mL surfactintreated O. hupensis snails than in ultrapure water-treated snails for 24 h, and there was a significant difference in the proportion of PI uptake in haemocytes between surfactin-and ultrapure water-treated snails (χ2 = 6.690, P < 0.05). CONCLUSIONS Surfactin is active against O. hupensis snails, which may be associated with the alteration in the integrity of haemocyte membrane.
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Affiliation(s)
- C Yang
- Department of Microbiology and Immunology, Wannan Medical College, Wuhu, Anhui 241002, China
| | - X Tang
- Department of Microbiology and Immunology, Wannan Medical College, Wuhu, Anhui 241002, China
| | - Z Pan
- Department of Microbiology and Immunology, Wannan Medical College, Wuhu, Anhui 241002, China
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Wang PJ, Wang DH, Gao Y, Shou YR, Liu JB, Mei ZS, Cao ZX, Pan Z, Kong DF, Xu SR, Liu ZP, Chen SY, Zhao JR, Geng YX, Zhao YY, Yan XQ, Ma WJ. A versatile control program for positioning and shooting targets in laser-plasma experiments. Rev Sci Instrum 2023; 94:093303. [PMID: 37772947 DOI: 10.1063/5.0158103] [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: 05/15/2023] [Accepted: 09/02/2023] [Indexed: 09/30/2023]
Abstract
We introduce a LabVIEW-based control program that significantly improves the efficiency and flexibility in positioning and shooting solid targets in laser-plasma experiments. The hardware driven by this program incorporates a target positioning subsystem and an imaging subsystem, which enables us to install up to 400 targets for one experimental campaign and precisely adjust them in six freedom degrees. The overall architecture and the working modes of the control program are demonstrated in detail. In addition, we characterized the distributions of target positions of every target holder and simultaneously saved the target images, resulting in a large dataset that can be used to train machine learning models and develop image recognition algorithms. This versatile control system has become an indispensable platform when preparing and conducting laser-plasma experiments.
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Affiliation(s)
- P J Wang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
- Institute of Radiation Physics, Helmholtz-Zentrum Dresden-Rossendorf, Dresden 01328, Germany
| | - D H Wang
- State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi'an 710024, China
| | - Y Gao
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y R Shou
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - J B Liu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Z S Mei
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Z X Cao
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Z Pan
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - D F Kong
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - S R Xu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Z P Liu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - S Y Chen
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - J R Zhao
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y X Geng
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y Y Zhao
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - X Q Yan
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
- Beijing Laser Acceleration Innovation Center, Huairou, Beijing 101400, China
- Institute of Guangdong Laser Plasma Technology, Baiyun, Guangzhou 510540, China
| | - W J Ma
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
- Beijing Laser Acceleration Innovation Center, Huairou, Beijing 101400, China
- Institute of Guangdong Laser Plasma Technology, Baiyun, Guangzhou 510540, China
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Pan Z, Lu JG, Jiang P, Han JL, Chen HL, Han ZW, Liu K, Qian L, Xu RX, Zhang B, Luo JT, Yan Z, Yang ZL, Zhou DJ, Wang PF, Wang C, Li MH, Zhu M. A binary pulsar in a 53-minute orbit. Nature 2023; 620:961-964. [PMID: 37339734 PMCID: PMC10468392 DOI: 10.1038/s41586-023-06308-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 06/12/2023] [Indexed: 06/22/2023]
Abstract
Spider pulsars are neutron stars that have a companion star in a close orbit. The companion star sheds material to the neutron star, spinning it up to millisecond rotation periods, while the orbit shortens to hours. The companion is eventually ablated and destroyed by the pulsar wind and radiation1,2. Spider pulsars are key for studying the evolutionary link between accreting X-ray pulsars and isolated millisecond pulsars, pulsar irradiation effects and the birth of massive neutron stars3-6. Black widow pulsars in extremely compact orbits (as short as 62 minutes7) have companions with masses much smaller than 0.1 M⊙. They may have evolved from redback pulsars with companion masses of about 0.1-0.4 M⊙ and orbital periods of less than 1 day8. If this is true, then there should be a population of millisecond pulsars with moderate-mass companions and very short orbital periods9, but, hitherto, no such system was known. Here we report radio observations of the binary millisecond pulsar PSR J1953+1844 (M71E) that show it to have an orbital period of 53.3 minutes and a companion with a mass of around 0.07 M⊙. It is a faint X-ray source and located 2.5 arcminutes from the centre of the globular cluster M71.
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Affiliation(s)
- Z Pan
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- Guizhou Radio Astronomical Observatory, Guizhou University, Guiyang, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - J G Lu
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- Guizhou Radio Astronomical Observatory, Guizhou University, Guiyang, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - P Jiang
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China.
- Guizhou Radio Astronomical Observatory, Guizhou University, Guiyang, People's Republic of China.
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China.
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China.
| | - J L Han
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China.
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China.
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China.
| | - H-L Chen
- Yunnan Observatories, Chinese Academy of Sciences, Kunming, People's Republic of China
| | - Z W Han
- Yunnan Observatories, Chinese Academy of Sciences, Kunming, People's Republic of China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - K Liu
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
| | - L Qian
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- Guizhou Radio Astronomical Observatory, Guizhou University, Guiyang, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - R X Xu
- Department of Astronomy, Peking University, Beijing, People's Republic of China
- Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing, People's Republic of China
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing, People's Republic of China
| | - B Zhang
- Nevada Center for Astrophysics, University of Nevada, Las Vegas, NV, USA.
- Department of Physics and Astronomy, University of Nevada, Las Vegas, NV, USA.
| | - J T Luo
- National Time Service Center, Chinese Academy of Sciences, Xi'an, China
| | - Z Yan
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
- Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, People's Republic of China
| | - Z L Yang
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - D J Zhou
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - P F Wang
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - C Wang
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - M H Li
- State Key Laboratory of Public Big Data, Guizhou University, Guiyang, People's Republic of China
| | - M Zhu
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing, People's Republic of China
- Guizhou Radio Astronomical Observatory, Guizhou University, Guiyang, People's Republic of China
- College of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
- Key Laboratory of Radio Astronomy and Technology, Chinese Academy of Sciences, Beijing, People's Republic of China
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Pan Z, Li S, Wang Y, Liu H, Gui L, Dong B. [Tumor cell lysate with low content of HMGB1 enhances immune response of dendritic cells against lung cancer in mice]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:906-914. [PMID: 37439162 DOI: 10.12122/j.issn.1673-4254.2023.06.05] [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: 07/14/2023]
Abstract
OBJECTIVE To assess the effect of tumor cell lysate (TCL) with low high-mobility group B1 (HMGB1) content for enhancing immune responses of dendritic cells (DCs) against lung cancer. METHODS TCLs with low HMGB1 content (LH-TCL) and normal HMGB1 content (NH-TCL) were prepared using Lewis lung cancer (LLC) cells in which HMGB1 was inhibited with 30 nmol/L glycyrrhizic acid (GA) and using LLC cells without GA treatment, respectively. Cultured mouse DCs were exposed to different doses of NH-TCL and LH-TCL, using PBS as the control. Flow cytometry was used to detect the expressions of CD11b, CD11c and CD86 and apoptosis of the stimulated DCs, and IL-12 levels in the cell cultures were detected by ELISA. Mouse spleen cells were co-cultured with the stimulated DCs, and the activation of the spleen cells was assessed by detecting CD69 expression using flow cytometry; TNF-β production in the spleen cells was detected with ELISA. The spleen cells were then co-cultured with LLC cells at the effector: target ratios of 5:1, 10:1 and 20:1 to observe the tumor cell killing. In the animal experiment, C57/BL6 mouse models bearing subcutaneous LLC xenograft received multiple injections with the stimulated DCs, and the tumor growth was observed. RESULTS The content of HMGB1 in the TCL prepared using GA-treated LLC cells was significantly reduced (P < 0.01). Compared with NH-TCL, LH-TCL showed a stronger ability to reduce apoptosis (P < 0.001) and promote activation and IL- 12 production in the DCs. Compared with those with NH-TCL stimulation, the DCs stimulated with LH-TCL more effectively induced activation of splenic lymphocytes and enhanced their anti-tumor immunity (P < 0.05). In the cell co-cultures, the spleen lymphocytes activated by LH-TCL-stimulated DCs showed significantly enhanced LLC cell killing activity (P < 0.01). In the tumor-bearing mice, injections of LH-TCL-stimulated DCs effectively activated host anti-tumor immunity and inhibited the growth of the tumor xenografts (P < 0.05). CONCLUSION Stimulation of the DCs with LH-TCL enhances the anti-tumor immune activity of the DCs and improve the efficacy of DCbased immunotherapy for LLC in mice.
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Affiliation(s)
- Z Pan
- Department of Medical Microbiology and Immunology,Wannan Medical College, Wuhu 241002, China
| | - S Li
- Department of Biochemistry,Wannan Medical College, Wuhu 241002, China
| | - Y Wang
- Department of Medical Microbiology and Immunology,Wannan Medical College, Wuhu 241002, China
| | - H Liu
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - L Gui
- Department of Medical Microbiology and Immunology,Wannan Medical College, Wuhu 241002, China
| | - B Dong
- Department of Medical Microbiology and Immunology,Wannan Medical College, Wuhu 241002, China
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Pan Z, Lin H, Fu Y, Zeng F, Gu F, Niu G, Fang J, Gu B. Identification of gene signatures associated with ulcerative colitis and the association with immune infiltrates in colon cancer. Front Immunol 2023; 14:1086898. [PMID: 36742294 PMCID: PMC9893113 DOI: 10.3389/fimmu.2023.1086898] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023] Open
Abstract
Background Inflammatory bowel diseases, including ulcerative colitis (UC) and Crohn's disease, are some of the most common inflammatory disorders of the gastrointestinal tract. The dysfunction of the immune system in the intestines is suggested to be the underlying cause of the pathogenesis of UC. However, the mechanisms regulating these dysfunctional immune cells and inflammatory phenotypes are still unclear. Methods The differential expression analysis on microarray datasets were performed including GSE24287, GSE87466, GSE102133, and GSE107499, including 376 samples. "Gene Ontology" and "Kyoto Encyclopedia of Genes and Genomes" pathway enrichment analyses were conducted to identify the common differentially expressed genes (DEGs) in these datasets and explore their underlying biological mechanisms. Further algorithms like "Cell-type Identification by Estimating Relative Subsets of RNA Transcripts" were used to determine the infiltration status of immune cells in patients with UC. "Cytoscape" and "Gene Set Enrichment Analysis" were used to screen for hub genes and to investigate their biological mechanisms. The Tumor Immune Estimation Resource database was used to study the correlation between hub genes and infiltrating immune cells in patients with UC. A total of three hub genes, CCL3, MMP3, and TIMP1, were identified using Cytoscape. Results A positive correlation was observed between these hub genes and patients with active UC. These genes served as a biomarker for active UC. Moreover, a decrease in CCL3, MMP3, and TIMP1 expression was observed in the mucosa of the intestine of patients with active UC who responded to Golimumab therapy. In addition, results show a significant positive correlation between CCL3, MMP3, and TIMP1 expression and different immune cell types including dendritic cells, macrophages, CD8+ T cells, and neutrophils in patients with colon cancer. Moreover, CCL3, MMP3, and TIMP1 expression were strongly correlated with different immune cell markers. Conclusion Study results show the involvement of hub genes like CCL3, MMP3, and TIMP1 in the pathogenesis of UC. These genes could serve as a novel pharmacological regulator of UC. These could be used as a therapeutic target for treating patients with UC and may serve as biomarkers for immune cell infiltration in colon cancer.
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Affiliation(s)
- Zhaoji Pan
- Department of Clinical Laboratory, Xuzhou Central Hospital, Xuzhou Institute of Medical Sciences, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Hao Lin
- Department of Gastrointestinal Surgery, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yanyan Fu
- Department of Cell Biology and Neurobiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Fanpeng Zeng
- Department of Clinical Laboratory, Xuzhou Central Hospital, Xuzhou Institute of Medical Sciences, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Feng Gu
- Department of Clinical Laboratory, Xuzhou Central Hospital, Xuzhou Institute of Medical Sciences, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Guoping Niu
- Department of Clinical Laboratory, Xuzhou Central Hospital, Xuzhou Institute of Medical Sciences, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jian Fang
- Department of Blood Transfusion, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Bing Gu
- Laboratory Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
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Cheng Y, Han L, Wu L, Chen J, Sun H, Wen G, Ji Y, Dvorkin M, Shi J, Pan Z, Shi J, Wang X, Bai Y, Melkadze T, Pan Y, Min X, Viguro M, Kang W, Wang Q, Zhu J. LBA9 Updated results of first-line serplulimab versus placebo combined with chemotherapy in extensive-stage small cell lung cancer: An international multicentre phase III study (ASTRUM-005). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.351] [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: 12/05/2022] Open
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Wang Y, Guo X, Fan X, Zhang H, Xue D, Pan Z. The protective effect of mangiferin on osteoarthritis: An in vitro and in vivo study. Physiol Res 2022; 71:135-145. [PMID: 35043648 PMCID: PMC8997682 DOI: 10.33549/physiolres.934747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 11/02/2021] [Indexed: 11/25/2022] Open
Abstract
Mangiferin is a kind of polyphenol chemical compound separated from these herbal medicines of Mangifera indica L., Anemarrhena asphodeloides Bge. and Belamcanda chinensis L., which has anti-inflammatory, anti-virus, and other physiological activities without toxic effects. Osteoarthritis (OA) is a chronic disease that is also a kind of arthritis disease in which articular cartilage or bones under the joint is damaged. In addition, artificial replacements are required in severe cases. At present, there are not too much researches on the potential biological activities of mangiferin that plays a protective role in the treatment of OA. In this study, we evaluated the protective effect of mangiferin on osteoarthritis (OA) in vitro and in vivo. First, the effect of different concentrations of mangiferin on rat chondrocytes was determined by MTT assay. Second, the effects of mangiferin on the expression levels of matrix metalloproteinase (MMP)-13, TNF alpha, Collagen II, Caspase-3, and cystatin-C in interleukin-1beta (IL-1beta)-induced rat chondrocytes were examined by the real-time polymerase chain reaction in vitro, meanwhile the effects of mangiferin on the nuclear factor kappa-B (NF-kappaB) signaling pathway were also investigated by Western Blot. Finally, the anti-osteoarthritic protective effect of mangiferin was evaluated in the rat model by anterior cruciate ligament transection (ACLT) combined with bilateral ovariectomy-induced OA in vivo. The results showed that the mangiferin was found to inhibit the expression of MMP-13, TNF-alpha, and Caspase-3 which also increased the expression of Collagen II and cystatin-C in IL 1beta induced rat chondrocytes. In addition, IL-1beta-induced activation of nuclear factor kappa-B (NF-kappaB) and the degradation of inhibitor of kappaB (IkappaB)-alpha were suppressed by mangiferin. For the in vivo study in a rat model of OA, 100 microl of mangiferin was administered by intra-articular injections for rats, the results showed that the cartilage degradation was suppressed by mangiferin through Micro CT and Histological Examination. According to both in vitro and in vivo results, mangiferin has a protective effect in the treatment of OA which may be a promising therapeutic agent for OA.
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Affiliation(s)
- Y Wang
- Department of Orthopaedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China. and
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10
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Kadambi S, Pan Z, Xu H, Kehoe L, Magnuson A, Mohile S, Burnette B, Bradley T, Bearden J, Loh K. Functional status in older adults with cancer, caregiver mastery, and caregiver depression. J Geriatr Oncol 2021. [DOI: 10.1016/s1879-4068(21)00370-2] [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: 10/19/2022]
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11
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Wang Q, Xiao B, Jiang W, Steele S, Cai J, Pan Z, Zhang X, Ding P. P-187 Watch-and-wait strategy for DNA mismatch repair-deficient/microsatellite instability-high rectal cancer with a clinical complete response after neoadjuvant immunotherapy: An observational cohort study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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12
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Huang X, He D, Pan Z, Luo G, Deng J. Reactive-oxygen-species-scavenging nanomaterials for resolving inflammation. Mater Today Bio 2021; 11:100124. [PMID: 34458716 PMCID: PMC8379340 DOI: 10.1016/j.mtbio.2021.100124] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022] Open
Abstract
Reactive oxygen species (ROS) mediate multiple physiological functions; however, the over-accumulation of ROS causes premature aging and/or death and is associated with various inflammatory conditions. Nevertheless, there are limited clinical treatment options that are currently available. The good news is that owing to the considerable advances in nanoscience, multiple types of nanomaterials with unique ROS-scavenging abilities that influence the temporospatial dynamic behaviors of ROS in biological systems have been developed. This has led to the emergence of next-generation nanomaterial-controlled strategies aimed at ameliorating ROS-related inflammatory conditions. Accordingly, herein we reviewed recent progress in research on nanotherapy based on ROS scavenging. The underlying mechanisms of the employed nanomaterials are emphasized. Furthermore, important issues in developing cross-disciplinary nanomedicine-based strategies for ROS-based inflammatory conditions are discussed. Our review of this increasing interdisciplinary field will benefit ongoing studies and clinical applications of nanomedicine based on ROS scavenging.
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Affiliation(s)
- X. Huang
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Medical University, 400038 Chongqing, China
| | - D. He
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Medical University, 400038 Chongqing, China
| | - Z. Pan
- Department of Endocrinology and Nephrology, The Seventh People's Hospital of Chongqing
| | - G. Luo
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Medical University, 400038 Chongqing, China
| | - J. Deng
- Institute of Burn Research, Southwest Hospital, State Key Lab of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Medical University, 400038 Chongqing, China
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Qin J, Zhang S, Poon L, Pan Z, Luo J, Yu N, Wang L, Wu X, Cheng X, Xie X, Lu Y, LU W. Doppler-based predictive model for methotrexate resistance in low-risk gestational trophoblastic neoplasia with myometrial invasion: prospective study of 147 patients. Ultrasound Obstet Gynecol 2021; 57:829-839. [PMID: 32385928 PMCID: PMC8251727 DOI: 10.1002/uog.22069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/30/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES This prospective clinical study aimed to evaluate the vascularization characteristics of low-risk gestational trophoblastic neoplasia (GTN) using Doppler imaging and to develop a predictive model for resistance to methotrexate (MTX). METHODS Patients with low-risk GTN receiving primary MTX treatment were enrolled from the Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China, from September 2012 to August 2018. The primary endpoint was to develop and internally validate a predictive model for resistance to MTX therapy in these patients. In the training set, clinical features and Doppler hemodynamic parameters before MTX therapy were analyzed using logistic regression to identify independent predictors of MTX resistance, which were integrated into the model. The predictive performance of the model was evaluated by leave-one-out cross-validation in the training dataset and internal validation in an independent-sample test dataset. RESULTS The entire imaging protocol was completed by 147 eligible patients, of which 110 comprised the training set and 37 the test set. In the training set, cases with myometrial invasion (81.8%; 90/110) showed vascular-enriched areas in the myometrium and high velocity and low impedance ratios of the uterine artery (UtA) compared to cases without myometrial invasion (18.2%; 20/110). On multivariate logistic regression analysis, time-averaged mean velocity in UtA (UtA-TAmean) and the International Federation of Gynecology and Obstetrics (FIGO) score were identified as independent predictors (P = 0.009 and P = 0.043, respectively) of MTX resistance. The Doppler-based predictive model, developed based on the 90 cases with myometrial invasion, was y = -2.95332 + 0.41696 × FIGO score + 0.03551 × UtA-TAmean. The model showed an area under the curve of 0.757 (95% CI, 0.653-0.862) and the optimal cut-off value was 0.50622, which had 45.2% sensitivity and 96.6% specificity. The model stratified patients with low-risk GTN into low (< 10%), intermediate (10-90%) and high (> 90%) probability of MTX resistance, based on the threshold values of -1.59544 and 0.10046. The model had an accuracy of 74.4% (95% CI, 64.5-82.3%) in the cross-validation and 72.7% (95% CI, 55.8-84.9%) in the internal validation. CONCLUSIONS The Doppler-based predictive model, combining a non-invasive marker of tumor vascularity with the FIGO scoring system, can differentiate cases with low from those with high probability of developing MTX resistance and therefore has the potential to guide treatment options in patients with low-risk GTN and myometrial invasion. © 2020 Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- J. Qin
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
| | - S. Zhang
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
| | - L. Poon
- Department of Obstetrics and GynaecologyThe Chinese University of Hong KongHong Kong SAR
| | - Z. Pan
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
| | - J. Luo
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - N. Yu
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - L. Wang
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - X. Wu
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - X. Cheng
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
| | - X. Xie
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
| | - Y. Lu
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
- Institute of Translational MedicineZhejiang University School of MedicineHangzhouChina
| | - W. LU
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's HospitalZhejiang University School of MedicineHangzhouZhejiangChina
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang ProvinceHangzhouZhejiangChina
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Pan Z, Huang M, Huang J, Lin Z, Yao Z. P10.03 Health Insurance Coverage and Racial Disparities in Early-Stage Detection and Treatment of Lung Cancer: A Causal Mediation Analysis. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.492] [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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15
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Li Q, Du X, Liu L, Liu H, Pan Z, Li Q. Upregulation of miR-146b promotes porcine ovarian granulosa cell apoptosis by attenuating CYP19A1. Domest Anim Endocrinol 2021; 74:106509. [PMID: 32653739 DOI: 10.1016/j.domaniend.2020.106509] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 06/04/2020] [Accepted: 06/11/2020] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNAs) are 21- to 24-nucleotide long small noncoding RNAs, which play an important role in follicular atresia and granulosa cell (GC) apoptosis in the mammalian ovary. Here, we report that miR-146b, a conserved and ovary-enriched miRNA, modulates estradiol (E2) secretion, GC apoptosis, and follicular atresia in pigs. Genome-wide analysis and quantitative real-time PCR revealed that miR-146b was significantly upregulated during follicular atresia, and fluorescence-activated cell sorting showed that miR-146b functioned as a proapoptotic factor to induce GC apoptosis. MicroRNA-mRNA network analysis and luciferase reporter assays showed that CYP19A1, the pivotal enzyme for E2 synthesis signaling, was directly targeted by miR-146b. Furthermore, miR-146b interacted with the 3'untranslated region of CYP19A1 to prevent translation, thereby regulating CYP19A1-mediated E2 secretion and GC apoptosis. However, miR-146b was not regulated by the transcription factor SMAD4 or oxidative stress, both of which are critical regulators of CYP19A1. We, thus, conclude that miR-146b is a novel epigenetic factor regulating GC functions, follicular development, and female reproduction.
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Affiliation(s)
- Q Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - X Du
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - L Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - H Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Z Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Q Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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Pan Z, Wang GJ, Li W. [Value of ALBI grade on precised estimation liver reserve function of patients with hepatocellular carcinoma]. Zhonghua Gan Zang Bing Za Zhi 2020; 28:1059-1063. [PMID: 34865357 DOI: 10.3760/cma.j.cn501113-20190219-00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Précised liver reserve function estimation is of great significance for predicting the survival time, post-hepatectomy liver failure and individualized comprehensive treatment strategies in hepatocellular carcinoma (HCC) patients. Currently, the widely used Child-Pugh (CP) classification and indocyanine green 15-minute retention rate (ICGR 15) have certain flaws and limitations. The albumin-bilirubin (ALBI) grading especially makes up for the deficiency of CP classification, and can provide an objective, simple, accurate and evidence-based method to estimate and guide the liver reserve function of HCC patients. This paper follows up and summarizes the research progress of ALBI grading estimation at home and abroad on liver reserve function of HCC patients.
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Affiliation(s)
- Z Pan
- Department of Hepatobiliary-Pancreatic Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - G J Wang
- Department of Hepatobiliary-Pancreatic Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - W Li
- Department of Hepatobiliary-Pancreatic Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, China
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Pan Z, Huang M, Huang J, Yao Z. The association between napping and the risk of cardiovascular disease and all-cause mortality: a systematic review and dose-response meta-analysis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2818] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Napping is a habit prevalent worldwide and occurs from an early age. Some sleep specialists have suggested it as a potential public health tool due to the prevalence of sleep disorder. However, the association between napping and the risk of cardiovascular disease (CVD) and all-cause mortality remains unclear.
Purpose
To assess the association between napping and the risk of CVD and all-cause mortality.
Methods
We conducted a systematic search of Medline, Embase and Cochrane databases from inception through December 2019 for prospective cohort studies investigating the association between napping and the risk of CVD and/or all-cause mortality. Overall estimates were calculated using random effect models with inverse variance weighting. Dose-response meta-analysis was performed using restricted cubic spline models. The results were reported as hazard ratio (HR) and 95% confidence interval (CI).
Results
A total of 313651 participants (57.8% female, 38.9% took naps) from 20 cohort studies were included in the analysis. Overall, pooled analysis detected no association between daytime nap and CVD (HR 1.13, 95% CI 0.99–1.28). However, in subgroup analysis including only participants who were female (HR 1.31, 95% CI 1.09–1.58), older (age>65 years) (HR 1.36, 95% CI 1.07–1.72), or took a longer nap (nap time>60 minutes) (HR 1.34, 95% CI 1.05–1.63), napping was significantly associated with a higher risk of CVD comparing to not napping. All-cause mortality was associated with napping overall (HR 1.19, 95% CI 1.12–1.26), and effect sizes were even more pronounced in females (HR 1.22, 95% CI 1.13–1.31), older participants (HR 1.27, 95% CI 1.11–1.45) and those who took a long nap (HR 1.30, 95% CI 1.12–1.47). Furthermore, after stratifying participants by night sleep time (<6 and >6h/day), no significant association was detected except those who slept >6h/day at night and took a long nap (HR 1.13, 95% CI 1.03–1.24). Dose-response analysis showed a J-curve relation between nap time and CVD (Figure 1). The HR decreased from 0 to 25 min/day, followed by a sharp increase in the risk at longer times. A positive linear relationship between nap time and all-cause mortality was also observed.
Conclusion
Long napping over 60 minutes per day is associated with increased risks of CVD and all-cause mortality. Night sleep duration may play a role in the relation between napping and all-cause mortality. Further, large-scale prospective cohort studies need to confirm our conclusion and investigate the underlying mechanisms driving these associations.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Z Pan
- No.1 Hospital of Guangzhou Medical College, Guangzhou, China
| | - M Huang
- No.1 Hospital of Guangzhou Medical College, Guangzhou, China
| | - J Huang
- No.1 Hospital of Guangzhou Medical College, Guangzhou, China
| | - Z Yao
- No.1 Hospital of Guangzhou Medical College, Guangzhou, China
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18
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Wang Q, Zhang R, Xiao W, Zhang S, Wei M, Li Y, Chang H, Xie W, Li L, Ding P, Wu X, Lu Z, Cheng G, Zeng Z, Pan Z, Wang W, Wan X, Gao Y, Xu R. Watch-and-wait Strategy against Surgical Resection for Rectal Cancer Patients with Complete Clinical Response after Neoadjuvant Chemoradiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1821] [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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19
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Gao M, Chen W, Dong S, Chen Y, Zhang Q, Sun H, Zhang Y, Wu W, Pan Z, Gao S, Lin L, Shen J, Tan L, Wang G, Zhang W. Assessing the impact of drinking water iodine concentrations on the iodine intake of Chinese pregnant women living in areas with restricted iodized salt supply. Eur J Nutr 2020; 60:1023-1030. [PMID: 32577887 DOI: 10.1007/s00394-020-02308-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 06/15/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE The supply of non-iodized salt and the water improvement project have been conducted to reduce the iodine concentration in drinking water in areas with elevated water iodine. We aimed to assess the impact of water iodine concentration (WIC) on the iodine intake of pregnant women in areas with restricted iodized salt supply, and determine the cutoff values of WIC in areas with non-iodized salt supply. METHODS Overall, 534 pregnant women who attended routine antenatal outpatient visits in Zibo Maternal and Child Health Hospital in Gaoqing County were recruited. The 24-h urine iodine excretion (UIE) in 534 samples and the iodine concentration in 534 drinking water samples were estimated. Urinary iodine excretion, daily iodine intake, and daily iodine intake from drinking water (WII) were calculated. The relationship between WIC and daily iodine take was analyzed. RESULTS The median WIC, spot urine iodine concentration (UIC), and 24-h UIE were 17 (6, 226) μg/L, 145 (88, 267) μg/L, and 190 (110, 390) μg/day, respectively. A significant positive correlation was found between WIC and UIE (R2 = 0.265, p < 0.001) and UIC (R2 = 0.261, p < 0.001). The contribution rate of WII to total iodine intake increased from 3.0% in the group with WIC of < 10 μg/L to 45.7% in the group with WIC of 50-99 μg/L. CONCLUSION The iodine content in drinking water is the major iodine source in pregnant women living in high-water iodine areas where iodized salt supply is restricted. The contribution rate of daily iodine intake from drinking water increases with the increase in water iodine concentration.
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Affiliation(s)
- M Gao
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - W Chen
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China.,Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - S Dong
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Y Chen
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Q Zhang
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - H Sun
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Y Zhang
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - W Wu
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Z Pan
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - S Gao
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - L Lin
- Tianjin Institution of Endocrinology, Tianjin Medical University, Tianjin, China
| | - J Shen
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - L Tan
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China
| | - G Wang
- The Center for Disease Control and Prevention of Gaoqing County, Gaoqing, China
| | - W Zhang
- The Department of Nutrition and Food Hygiene, School of Public Health, Tianjin Medical University, Tianjin, China. .,Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China. .,Department of Healthcare and Medical, Tianjin Medical University General Hospital, Tianjin, China. .,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China.
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Nadolski A, Vieira JD, Sobrin JA, Kofman AM, Ade PAR, Ahmed Z, Anderson AJ, Avva JS, Basu Thakur R, Bender AN, Benson BA, Bryant L, Carlstrom JE, Carter FW, Cecil TW, Chang CL, Cheshire JR, Chesmore GE, Cliche JF, Cukierman A, de Haan T, Dierickx M, Ding J, Dutcher D, Everett W, Farwick J, Ferguson KR, Florez L, Foster A, Fu J, Gallicchio J, Gambrel AE, Gardner RW, Groh JC, Guns S, Guyser R, Halverson NW, Harke-Hosemann AH, Harrington NL, Harris RJ, Henning JW, Holzapfel WL, Howe D, Huang N, Irwin KD, Jeong O, Jonas M, Jones A, Korman M, Kovac J, Kubik DL, Kuhlmann S, Kuo CL, Lee AT, Lowitz AE, McMahon J, Meier J, Meyer SS, Michalik D, Montgomery J, Natoli T, Nguyen H, Noble GI, Novosad V, Padin S, Pan Z, Paschos P, Pearson J, Posada CM, Quan W, Rahlin A, Riebel D, Ruhl JE, Sayre JT, Shirokoff E, Smecher G, Stark AA, Stephen J, Story KT, Suzuki A, Tandoi C, Thompson KL, Tucker C, Vanderlinde K, Wang G, Whitehorn N, Yefremenko V, Yoon KW, Young MR. Broadband, millimeter-wave antireflection coatings for large-format, cryogenic aluminum oxide optics. Appl Opt 2020; 59:3285-3295. [PMID: 32400613 DOI: 10.1364/ao.383921] [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: 12/05/2019] [Accepted: 02/25/2020] [Indexed: 06/11/2023]
Abstract
We present two prescriptions for broadband ($ {\sim} 77 - 252\;{\rm GHz} $), millimeter-wave antireflection coatings for cryogenic, sintered polycrystalline aluminum oxide optics: one for large-format (700 mm diameter) planar and plano-convex elements, the other for densely packed arrays of quasi-optical elements-in our case, 5 mm diameter half-spheres (called "lenslets"). The coatings comprise three layers of commercially available, polytetrafluoroethylene-based, dielectric sheet material. The lenslet coating is molded to fit the 150 mm diameter arrays directly, while the large-diameter lenses are coated using a tiled approach. We review the fabrication processes for both prescriptions, then discuss laboratory measurements of their transmittance and reflectance. In addition, we present the inferred refractive indices and loss tangents for the coating materials and the aluminum oxide substrate. We find that at 150 GHz and 300 K the large-format coating sample achieves $ (97 \pm 2)\% $ transmittance, and the lenslet coating sample achieves $ (94 \pm 3)\% $ transmittance.
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Bajsa-Hirschel J, Pan Z, Duke SO. Rice momilactone gene cluster: transcriptional response to barnyard grass (Echinochloa crus-galli). Mol Biol Rep 2020; 47:1507-1512. [PMID: 31902054 DOI: 10.1007/s11033-019-05205-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/18/2019] [Accepted: 11/21/2019] [Indexed: 11/26/2022]
Abstract
Expression of genes involved in diterpene biosynthesis, especially momilactone and gibberellins (GAs), in rice plants (Oryza sativa L.) in response to barnyard grass (Echinochloa crus-galli) stress was examined. The three analyzed class II diterpene synthases had the highest fold change expression. Transcription patterns of genes for two homologs of momilactone synthases, OsMAS and OsMAS2, suggests their distinct roles in response to the presence of barnyard grass.
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Affiliation(s)
- J Bajsa-Hirschel
- USDA, ARS, Natural Products Utilization Research Unit, University, MS, 38677, USA.
| | - Z Pan
- USDA, ARS, Natural Products Utilization Research Unit, University, MS, 38677, USA
| | - S O Duke
- USDA, ARS, Natural Products Utilization Research Unit, University, MS, 38677, USA
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Tang B, Yang C, Hu S, Sun W, Pan Z, Li L, Wang J. Molecular Characterization of Goose Phosphoenolpyruvate Carboxylase Kinase 1 (Pepck) Gene and Its Potential Role in Hepatic Steatosis Induced by Overfeeding. Braz J Poult Sci 2020. [DOI: 10.1590/1806-9061-2019-1128] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- B Tang
- Sichuan Agricultural University, China
| | - C Yang
- Sichuan Animal Science Academy, P.R. China
| | - S Hu
- Sichuan Agricultural University, China
| | - W Sun
- Sichuan Agricultural University, China
| | - Z Pan
- Sichuan Agricultural University, China
| | - L Li
- Sichuan Agricultural University, China
| | - J Wang
- Sichuan Agricultural University, China
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Yu D, Hu J, Sheng Z, Fu G, Wang Y, Chen Y, Pan Z, Zhang X, Wu Y, Sun H, Dai J, Lu L, Ouyang H. Dual roles of misshapen/NIK-related kinase (MINK1) in osteoarthritis subtypes through the activation of TGFβ signaling. Osteoarthritis Cartilage 2020; 28:112-121. [PMID: 31647983 DOI: 10.1016/j.joca.2019.09.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 08/27/2019] [Accepted: 09/12/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To identify the role of misshapen/NIK-related kinase (MINK1) in age-related Osteoarthritis (OA) and injury-induced OA, and the effects of enhanced TGFβ signaling in these progresses. DESIGN The effect of MINK1 was analyzed with MINK1 knock out (Mink1-/-) mice and C57BL/6J mice. OA progress was studied in age-related OA and instability-associated OA (destabilization of the medial meniscus, DMM) models. The murine knee joint was evaluated through histological staining, Osteoarthritis Research Society International (OARSI) scores, immunohistochemistry, and μCT analysis. Primary chondrocytes were isolated from wild type and Mink1-/- mice and subjected to osteogenic induction and Western blot analysis. RESULTS MINK1 is highly expressed during cartilage development and in normal cartilage. Mink1-/- mice displayed markedly lower OARSI scores, aggrecan degradation neoepitope positive cells and increased Safranin O and pSMAD2 staining in aging-related OA model. However, in injury-induced OA, loss of MINK1 accelerates extracellular matrix (ECM) destruction, osteophyte formation, and subchondral bone sclerosis. Accelerated subchondral bone remodeling in Mink1-/- mice was accompanied with increased numbers of nestin-positive mesenchymal stem cells (MSCs) and osterix-positive osteoprogenitors. pSMAD2 staining was increased in the subchondral bone marrow of Mink1-/- mice and overexpression of MINK1 inhibited SMAD2 phosphorylation in vitro. CONCLUSIONS This study shows for the first time that activation of TGFβ/SMAD2 by MINK1 deficiency plays opposite roles in aging-related and injury-induced OA. MINK1 deficiency protects cartilage from degeneration in aging joints through increased SMAD2 activation in chondrocytes, while accelerating OA progress in injury-induced model through enhanced osteogenesis of MSCs in the subchondral bone. These findings provide insights for developing precision OA therapeutics targeting TGFβ/SMAD2 signaling.
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Affiliation(s)
- D Yu
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Department of Orthopedics, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, China
| | - J Hu
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Z Sheng
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - G Fu
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Y Wang
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Y Chen
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Z Pan
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - X Zhang
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Y Wu
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - H Sun
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - J Dai
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - L Lu
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Institute of Immunology, Zhejiang University School of Medicine, Hangzhou 310058, China.
| | - H Ouyang
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University school of medicine, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, School of Medicine, Zhejiang University School of Medicine, Hangzhou 310058, China; Zhejiang University - University of Edinburgh Institute, Zhejiang University School of Medicine, Hangzhou, 310058, China; Department of Sports Medicine, School of Medicine, Zhejiang University, Hangzhou, China; China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China.
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Abstract
MicroRNAs (miRNAs) are short non-coding RNAs that are known to regulate gene expression at the post-transcriptional level. miRNA expression is often deregulated in several human cancers, affecting the communication between tumor stroma and tumor cells, among other functions. Understanding the role of miRNAs in the tumor microenvironment is crucial for fully elucidating the molecular mechanisms underlying tumor progression and exploring novel diagnostic biomarkers and therapeutic targets. The present review focused on the role of miRNAs in remodeling the tumor microenvironment, with an emphasis on their impact on tumor growth, metastasis and resistance to treatment, as well as their potential clinical applications.
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Affiliation(s)
- Zhaoji Pan
- Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu 221000, P.R. China
| | - Yiqing Tian
- Xinyi People's Hospital, Xuzhou, Jiangsu 221400, P.R. China
| | - Guoping Niu
- Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu 221000, P.R. China
| | - Chengsong Cao
- Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu 221000, P.R. China
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Zhang L, Guan Z, Pan Z, Ge H, Zhou D, Xu J, Zhang W. Functional expression of the Spodoptera exigua chitinase to examine the virtually screened inhibitor candidates. Bull Entomol Res 2019; 109:741-751. [PMID: 31113496 DOI: 10.1017/s0007485319000191] [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] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Chitinase is responsible for insect chitin hydrolyzation, which is a key process in insect molting and pupation. However, little is known about the chitinase of Spodoptera exigua (SeChi). In this study, based on the SeChi gene (ADI24346) identified in our laboratory, we constructed the recombinant baculovirus P-Chi for the expression of recombinant SeChi (rSeChi) in Hi5 cells. The rSeChi was purified by chelate affinity chromatography, and the purified protein showed activity comparable with that of a commercial SgChi, suggesting that we harvested active SeChi for the first time. The purified protein was subsequently tested for enzymatic properties and revealed to exhibit its highest activity at pH 8 and 40 C. Using homology modeling and molecular docking techniques, the three-dimensional model of SeChi was constructed and screened for inhibitors. In two rounds of screening, twenty compounds were selected. With the purified rSeChi, we tested each of the twenty compounds for inhibitor activity against rSeChi, and seven compounds showed obvious activity. This study provided new information for the chitinase of beet armyworm and for chitinase inhibitor development.
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Affiliation(s)
- L Zhang
- State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Z Guan
- State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Z Pan
- State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - H Ge
- Medical College, Qingdao University, No. 38 Dengzhou Road, Qingdao 266021, China
| | - D Zhou
- Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - J Xu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - W Zhang
- State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
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Zhou Y, Zhou Y, Kang X, Meng C, Zhang R, Guo Y, Xiong D, Song L, Jiao X, Pan Z. Molecular cloning and functional characterisation of duck ( Anas platyrhynchos) tumour necrosis factor receptor-associated factor 3. Br Poult Sci 2019; 60:357-365. [PMID: 31046421 DOI: 10.1080/00071668.2019.1614528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
1. Tumour necrosis factor receptor-associated factor 3 (TRAF3) is a key regulator of innate immunity and acquired immunity, and has a salient anti-viral role. 2. In this experiment, the duck TRAF3 (DuTRAF3) gene was cloned according to the Anas platyrhynchos TRAF3 sequence to explore its function. The TRAF3 open reading frame contains 1704 bp that encode a protein of 567 amino acids, which contain a RING finger domain, two zinc finger motifs, a coiled-coil region, and a MATH domain. 3. Reverse transcription-polymerase chain reaction showed that DuTRAF3 was expressed in all the examined tissues, with a comparatively higher expression in the spleen and brain tissues. 4. In HEK293T cells, DuTRAF3 overexpression resulted in a significantly increased NF-κB activity and interferon (IFN)-β promoter activation. 5. Following resiquimod (R848) and poly(I:C) stimulation of duck peripheral blood mononuclear cells (PBMCs), the expressions of TRAF3 and IFN-β were significantly upregulated; in addition, following R848 stimulation, the mRNA levels of IL-6, IL-8 and IL-10 were also significantly upregulated. After infection with the Newcastle Disease Virus LaSota vaccine strain, the mRNA levels of IL-6 and IL-10 were significantly upregulated, while that of TRAF3 was downregulated. 6. These results suggest that DuTRAF3 has an important role to play in innate antiviral immune responses.
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Affiliation(s)
- Y Zhou
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - Y Zhou
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - X Kang
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - C Meng
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - R Zhang
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - Y Guo
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - D Xiong
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - L Song
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - X Jiao
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
| | - Z Pan
- a Jiangsu Key Laboratory of Zoonosis , Yangzhou University , Yangzhou , Jiangsu , China.,b Jiangsu Co-innovation Centre for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses , Yangzhou University , Yangzhou , Jiangsu , China.,c Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs , Yangzhou University , Yangzhou , Jiangsu , China.,d Joint International Research Laboratory of Agriculture and Agri-product Safety of the Ministry of Education , Yangzhou University , Yangzhou , Jiangsu , China
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Zhang R, Wu XJ, Wan D, Lin J, Ding P, Lei J, Lu Z, Li L, Chen G, Kong L, Wang F, Zhang D, Fan W, Jiang W, Zhou W, Li C, Li Y, Li X, Pan Z. Intraoperative chemotherapy with 5-FU for colorectal cancer patients receiving curative resection (IOCCRC): A randomized, multicenter, prospective, phase III trial. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz246.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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28
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Song Y, Fu MY, Chen Y, Chen GP, Pan Z. [Clinical characteristics of patients with cervical vascular pseudoaneurysm after radiotherapy for nasopharyngeal carcinoma]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2019; 33:746-748. [PMID: 31446731 DOI: 10.13201/j.issn.1001-1781.2019.08.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Indexed: 11/12/2022]
Abstract
Objective:The aim of this study is to analyze the clinical features of the pseudoaneurysm of the cervical vascular in patients with nasopharyngeal carcinoma after radiotherapy, and to summarize the clinical signs of patients with cervical vascular aneurysm, and to provide a basis for improving the success rate of treatment. Method:Patients with hemorrhage disease were treated by digital subtraction angiography (DSA) after radiotherapy for nasopharyngeal carcinoma are included. According to the presence or absence of pseudoaneurysm (PSA), patients are divided to pseudoaneurysm group (PSA group) and non-pseudoaneurysm group(non-PSA group), analysis of gender, age, presence or absence of tumor recurrence, presence or absence of recurrent radiotherapy, history of nasopharyngeal surgery after radiotherapy, needed to open the airway before the interval therapy, time to the end of radiotherapy. Result:The rate of tumor recurrence was 80% (12/15) in patients with pseudoaneurysm and 60%(9/15) in recurrent radiotherapy, which was significantly higher than that in patients with non-pseudular aneurysms. The average time to the end of radiotherapy is 36.5 months in patients with pseudoaneurysm, significantly shorter than non-pseudoaneurysm patients(106.7 months). Conclusion:The high-risk clinical features of patients with cervical vascular pseudoaneurysm include: ①recurrence of nasopharyngeal carcinoma; ②history of recurrent radiotherapy; ③interval time is shorter between the hemorrhage and the end of radiotherapy, usually taking place within a few months to two years after recurrent radiotherapy. Patients with the above characteristics need to be screened early, and the DSA should be used as early as possible to confirm the cervical vascular condition and effectively control the hemorrhage.
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Affiliation(s)
- Y Song
- Department of Otorhinolaryngology Head and Neck Surgery,Zhongshan Hospital of Sun Yat-Sen University and Zhongshan City People's Hospital,Zhongshan,528400,China
| | - M Y Fu
- Department of Otorhinolaryngology Head and Neck Surgery,Zhongshan Hospital of Sun Yat-Sen University and Zhongshan City People's Hospital,Zhongshan,528400,China
| | - Y Chen
- Departmentof Interventional Radiology,Zhongshan Hospital of Sun Yat-Sen University and Zhongshan City People's Hospital
| | - G P Chen
- Department of Otorhinolaryngology Head and Neck Surgery,Zhongshan Hospital of Sun Yat-Sen University and Zhongshan City People's Hospital,Zhongshan,528400,China
| | - Z Pan
- Department of Otorhinolaryngology Head and Neck Surgery,Zhongshan Hospital of Sun Yat-Sen University and Zhongshan City People's Hospital,Zhongshan,528400,China
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Pan Z, Tian Y, Cao C, Niu G. The Emerging Role of YAP/TAZ in Tumor Immunity. Mol Cancer Res 2019; 17:1777-1786. [PMID: 31308148 DOI: 10.1158/1541-7786.mcr-19-0375] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/03/2019] [Accepted: 07/10/2019] [Indexed: 11/16/2022]
Abstract
Yes-associated protein (YAP)/WW domain-containing transcription regulator 1 (TAZ) is an important transcriptional regulator and effector of the Hippo signaling pathway that has emerged as a critical determinant of malignancy in many human tumors. YAP/TAZ expression regulates the cross-talk between immune cells and tumor cells in the tumor microenvironment through its influence on T cells, myeloid-derived suppressor cells, and macrophages. However, the mechanisms underlying these effects are poorly understood. An improved understanding of the role of YAP/TAZ in tumor immunity is essential for exploring innovative tumor treatments and making further breakthroughs in antitumor immunotherapy. This review primarily focuses on the role of YAP/TAZ in immune cells, their interactions with tumor cells, and how this impacts on tumorigenesis, progression, and therapy resistance.
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Affiliation(s)
- Zhaoji Pan
- Xuzhou Central Hospital, The Affiliated XuZhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu, P.R. China
| | - Yiqing Tian
- Xinyi People's Hospital, Xinyi, Xuzhou, Jiangsu, P.R. China.
| | - Chengsong Cao
- Xuzhou Central Hospital, The Affiliated XuZhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu, P.R. China
| | - Guoping Niu
- Xuzhou Central Hospital, The Affiliated XuZhou Hospital of Medical College of Southeast University, Xuzhou, Jiangsu, P.R. China
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Ma H, Lai B, Dong S, Lv Y, Wang S, Jin X, Pan Z. Effect of dexmedetomidine on postoperative cognitive function in elderly patients undergoing anesthesia with controlled hypotension for endoscopic sinus surgery. J BIOL REG HOMEOS AG 2019; 33:1143-1148. [PMID: 31317698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
- H Ma
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - B Lai
- Department of Intensive Care of Unit, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - S Dong
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Y Lv
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - S Wang
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - X Jin
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Z Pan
- Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
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31
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Ryuh YJ, Chen CC(JJ, Pan Z, Gadke DL, Elmore-Staton L, Pan CY, Cosgriff A. Promoting physical activity through exergaming in young adults with intellectual disabilities: a pilot study. Int J Dev Disabil 2019; 68:227-233. [PMID: 35309694 PMCID: PMC8928788 DOI: 10.1080/20473869.2019.1605771] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 04/07/2019] [Accepted: 04/07/2019] [Indexed: 06/14/2023]
Abstract
Various health problems of people with intellectual disabilities (ID) are associated with their physical inactivity. The present study aimed at the understanding of physiological and psychological responses toward exergaming in seven young adults with mild to moderate ID after a single-session and a multiple-session condition, respectively. Their heart rate (HR), the rating of perceived exertion (RPE), and physical activity enjoyment scale (PACES) were measured on control and exergaming sessions. The significant increased HR, which may represent the increased physical activity levels that led to energy expenditure, was observed after a single-session and a multiple-session condition. In addition, the significant increase in RPE and PACES were evident after a single-session condition but a multiple-session condition. The feeling of physical fatigue seems to be distracted by external motivators (e.g. music). However, the positive affectivity to exercise was not noted when exercise was scheduled as their daily routines. This phenomenon might explain the high prevalence of physical inactivity among this population.
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Affiliation(s)
- Y. J. Ryuh
- Department of Kinesiology, Mississippi State University, Mississippi State, MS, USA
| | - C.-C. (JJ) Chen
- Department of Kinesiology, Mississippi State University, Mississippi State, MS, USA
| | - Z. Pan
- Department of Kinesiology, Mississippi State University, Mississippi State, MS, USA
| | - D. L. Gadke
- Department of Counseling, Educational Psychology, and Foundations, Mississippi State University, Mississippi State, MS, USA
| | - L. Elmore-Staton
- School of Human Sciences, Mississippi State University, Mississippi State, MS, USA
| | - C.-Y. Pan
- Department of Physical Education, National Kaohsiung Normal University, Kaohsiung, Taiwan
| | - A. Cosgriff
- Department of Counseling, Educational Psychology, and Foundations, Mississippi State University, Mississippi State, MS, USA
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32
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Lai J, Pan Z, Deng H, Peng J, Chen P, Ye G, Yu F, Zeng M, Chen K, Su F. Personalized prognostic model incorporating axillary lymph node ratio and molecular subtype for predicting long-term survival in node-positive patients with breast cancer: A large-scale, multicenter study. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy426.001] [Citation(s) in RCA: 1] [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: 11/13/2022] Open
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Heyn PC, Tagawa A, Pan Z, Carollo J. A SELF-HEALTH EMPOWERMENT AND WELLNESS MANAGEMENT APPROACH FOR INDIVIDUALS AGING WITH COMPLEX HEALTH CONDITIONS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- P C Heyn
- University of Colorado Anschutz Medical Campus, Arvada, Colorado,United States
| | - A Tagawa
- BS Center for Gait and Movement Analysis, Children’s Hospital Colorado, University of Colorado Anschutz Medical Campus
| | - Z Pan
- MD, PhD, The Colorado Research Institute Biostatistics Core, University of Colorado Anschutz Medical Campus
| | - J Carollo
- Center for Gait and Movement Analysis, Children’s Hospitals Colorado, University of Colorado Anschutz Medical Campus
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Lai J, Peng J, Deng H, Chen P, Ye G, Yu F, Su F, Chen K, Pan Z. Prognostic nomogram based on lymph node ratio to predict survival in node-positive breast cancer patients treated with neoadjuvant chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy427.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Pan Z, Wang C, Xie G, Liu D, Yan Z, Li Y, Jiang Z, Wang B, Li L. Apatinib plus docetaxel as second-line treatment in patients with advanced non-small cell lung cancer (NSCLC) (NCT02780778). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy425.016] [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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Lai J, Pan Z, Deng H, Peng J, Chen P, Ye G, Yu F, Chen K, Su F. Prognostic nomograms for predicting overall and cancer-specific survival in breast cancer patients not achieving pathological complete response after neoadjuvant chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy427.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Pan Z, Chen MZ, Chen R. [Adenoid cystic carcinoma of external auditory canal which pain as the first symptom:a case report]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:1357-1358. [PMID: 30282195 DOI: 10.13201/j.issn.1001-1781.2018.17.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Indexed: 11/12/2022]
Abstract
Adenoid cystic carcinoma of external auditory canal is the relatively rare malignant tumor in head and neck surgery.As the signs and symptoms of this tumour do not always correlate with the histopathologic diagnosis and subsequent clinical behavior,it is easily to be ignored. Aggressive surgical resection with adjuvant radiotherapy seems effective for local disease control.
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Thatcher N, Goldschmidt J, Thomas M, Schenker M, Pan Z, Hanes V. P2.13-40 ABP 215 and Bevacizumab in NSCLC Patients: Time Course and Magnitude of Response in the Phase 3 Comparative Trial (MAPLE). J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1435] [Citation(s) in RCA: 1] [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: 10/28/2022]
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Zhang S, Feng R, Pan Z, Lin M, Jiang T, Huang X, Xu Q, Chen Q, Yang S. Clinical Efficacy of Combination Intravenous and Intraperitoneal Chemotherapy in the Treatment of Gastric Cancer With Peritoneal Carcinomatosis. J Glob Oncol 2018. [DOI: 10.1200/jgo.18.87600] [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: 11/20/2022] Open
Abstract
Background: Gastric cancer (GC) is prone to metastasis that typically resulted in peritoneal carcinomatosis (PC). GC patients with PC have an extremely poor clinic prognosis. Although GC is sensitive to chemotherapy, PC causes chemotherapy failure. Recent studies showed the combination of intravenous and intraperitoneal chemotherapy can significantly improve the survival rates in GC patients with PC. Aim: To identify the clinical and adverse effects of intravenous chemotherapy combined with intraperitoneal perfusion chemotherapy in the treatment of abdominal peritoneal carcinomatosis arising from gastric cancer. Methods: Retrospective analysis was performed on 49 patients with abdominal peritoneal carcinomatosis from gastric cancer who were treated at the Fujian Medical University Union Hospital between September 2010 and September 2015. The patients were divided into 2 groups based on treatment method: patients subjected to intravenous chemotherapy (n = 27), referred to as the simple group and patients subjected to combined intravenous and intraperitoneal chemotherapy (n = 22), referred to as the combination group. The short-term effects and adverse effects were evaluated based on treatment method, in conjunction with a related review of the results. The long-term effect was evaluated based on the survival rate and median survival time of both groups of patients at 12, 18, 24, 30, 36, and 60 months, as determined through follow-up. Results: Gender, age, ECOG scores before treatment, clinical stages, and the pathologic data of advanced GC patients of the 2 groups were equally distributed. The objective efficacy evaluation results showed that the objective response rate (ORR) and disease control rate (DCR) of the simple group after treatment were significantly lower than in the combination group. The median survival time (MST) of the simple group was (6.57 ± 0.75) months, which was significantly shorter than in the combination group (15.03 ± 2.31) months ( P < 0.05). In addition, the 12-, 18-, 24-, 30-, 36-, and 60-month survival rates of the simple group were all significantly lower than those of the combination group. Furthermore, combined therapy improved the physical condition of the patients. The incidence of adverse reactions in the 2 groups was not statistically significant; neither of the treatments resulted in severe complications. Conclusion: Compared with intravenous chemotherapy alone, the combined intravenous and intraperitoneal perfusion chemotherapy was more effective in improving quality of life and extending survival in time patients with abdominal peritoneal carcinomatosis from gastric cancer. In addition, the treatment produced only mild adverse effects, showing that it is tolerable and therefore worth further clinical study.
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Affiliation(s)
- S. Zhang
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - R. Feng
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Z. Pan
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - M. Lin
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - T. Jiang
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - X. Huang
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Q. Xu
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Q. Chen
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, China
| | - S. Yang
- Fujian Medical University Union Hospital, Fuzhou, China
- Union Clinical Medical College of Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, China
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Ye RD, Pan Z, Kravchenko VV, Browning DD, Prossnitz ER. Gene transcription through activation of G-protein-coupled chemoattractant receptors. Gene Expr 2018; 5:205-15. [PMID: 8723387 PMCID: PMC6138026] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Receptors for leukocyte chemoattractants, including chemokines, are traditionally considered to be responsible for the activation of special leukocyte functions such as chemotaxis, degranulation, and the release of superoxide anions. Recently, these G-protein-coupled serpentine receptors have been found to transduce signals leading to gene transcription and translation in leukocytes. Transcription factors, such as NF kappa B and AP-1, are activated upon stimulation of the cells with several chemoattractants at physiologically relevant concentrations. Activation of transcription factors through these receptors involves G-protein coupling and the activation of protein kinases. The underlying signaling pathways appear to be different from those utilized by TNF-alpha, a better characterized cytokine that induces the transcription of immediate-early genes. Chemoattractants stimulate the expression of several inflammatory cytokines and chemokines, which in turn may activate their respective receptors and initiate an autocrine regulatory mechanism for persistent cytokine and chemokine gene expression.
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Affiliation(s)
- R D Ye
- Department of Immunology, Scripps Research Institute, La Jolla, CA 92037, USA
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Song J, Eichstaedt CA, Rodriguez Viales R, Pan Z, Fischer C, Hinderhofer K, Gruenig E. 1207Mutations in the bone morphogenic protein receptor 2 promoter in heritable pulmonary arterial hypertension. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1207] [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: 11/13/2022] Open
Affiliation(s)
- J Song
- Thoraxclinic of Heidelberg, Centre for Pulmonary Hypertension, Heidelberg, Germany
| | - C A Eichstaedt
- Thoraxclinic of Heidelberg, Centre for Pulmonary Hypertension, Heidelberg, Germany
| | | | - Z Pan
- Thoraxclinic of Heidelberg, Centre for Pulmonary Hypertension, Heidelberg, Germany
| | - C Fischer
- University Hospital of Heidelberg, Institute of Human Genetics, Heidelberg, Germany
| | - K Hinderhofer
- University Hospital of Heidelberg, Institute of Human Genetics, Heidelberg, Germany
| | - E Gruenig
- Thoraxclinic of Heidelberg, Centre for Pulmonary Hypertension, Heidelberg, Germany
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Speaker KJ, Sayer RD, Peters JC, Foley HN, Pan Z, Wyatt HR, Flock MR, Mukherjea R, Hill JO. Effects of consuming a high-protein diet with or without soy protein during weight loss and maintenance: a non-inferiority, randomized clinical efficacy trial. Obes Sci Pract 2018; 4:357-366. [PMID: 30151230 PMCID: PMC6105701 DOI: 10.1002/osp4.278] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/05/2018] [Accepted: 04/26/2018] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE This 12-month randomized, non-inferiority clinical trial sought to determine the impact of consuming soy protein as part of an energy-restricted, high-protein diet on weight loss, body composition and cardiometabolic health. METHODS Seventy-one adults (58 female) with overweight or obesity (body mass index: 32.9 ± 3.6 kg m-2) were randomly assigned to consume three servings of soy (S) or non-soy (NS) protein foods per day for 12 months. All participants completed a group-based behavioural weight loss program lasting 4 months (M4), and follow-up assessments were completed at month 12 (M12). RESULTS Body weight was reduced in both groups at M4 (S: -7.0% ± 5.2%, NS: -7.1% ± 5.7%) and M12 (S: 3.6% ± 5.1%, NS: -4.8% ± 7.3%). Body weight reductions (mean difference [90% confidence interval]) were not different between S and NS at either time point (M4: -0.16% [-1.4, 3.6], P = 0.90; M12: 1.1% [-1.4, 3.6], P = 0.44). Differences in body fat mass loss were not different between S and NS at M4 (0.29 ± 0.84 kg, P = 0.73) or M12 (0.78 ± 1.5 kg, P = 0.59). Weight loss-induced improvements in cholesterol, triglycerides and blood pressure did not differ between S and NS. CONCLUSION These results indicate that soy-based protein foods can be effectively incorporated into an energy-restricted, high-protein diet for improving body weight, body composition and cardiometabolic health.
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Affiliation(s)
- K. J. Speaker
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - R. D. Sayer
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - J. C. Peters
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - H. N. Foley
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - Z. Pan
- Department of Biostatistics and Informatics, Colorado School of Public HealthUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - H. R. Wyatt
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - M. R. Flock
- Clinical & Translational Science InstituteUniversity of PittsburghPittsburghPAUSA
| | - R. Mukherjea
- Global Nutrition InnovationDuPont Nutrition & HealthSt. LouisMOUSA
| | - J. O. Hill
- Anschutz Health and Wellness CenterUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
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Song J, Eichstaedt C, Rodríguez Viales R, Pan Z, Fischer C, Hinderhofer K, Grünig E. BMPR2 gene promoter variants analysis in pulmonary arterial hypertension. Pneumologie 2018. [DOI: 10.1055/s-0037-1619430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- J Song
- Centre for Pulmonary Hypertension at the Thoraxclinic Heidelberg, University Hospital Heidelberg, Translational Lung Research Centre Heidelberg (TLRC), German Centre for Lung Research (DZL); Institute of Human Genetics, Heidelberg University
| | - C Eichstaedt
- Centre for Pulmonary Hypertension at the Thoraxclinic Heidelberg, University Hospital Heidelberg, Translational Lung Research Centre Heidelberg (TLRC), German Centre for Lung Research (DZL); Institute of Human Genetics, Heidelberg University
| | | | - Z Pan
- Centre for Pulmonary Hypertension at the Thoraxclinic Heidelberg, University Hospital Heidelberg
| | - C Fischer
- Institut für Humangenetik, Universität Heidelberg
| | | | - E Grünig
- Centre for Pulmonary Hypertension at the Thoraxclinic Heidelberg, University Hospital Heidelberg
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Zhu Y, Zhang B, Gong A, Fu H, Zhang X, Shi H, Sun Y, Wu L, Pan Z, Mao F, Zhu W, Qian H, Xu W. Anti-cancer drug 3,3'-diindolylmethane activates Wnt4 signaling to enhance gastric cancer cell stemness and tumorigenesis. Oncotarget 2017; 7:16311-24. [PMID: 26918831 PMCID: PMC4941316 DOI: 10.18632/oncotarget.7684] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 02/05/2016] [Indexed: 12/27/2022] Open
Abstract
As a natural health supplement, 3,3′-diindolylmethane (DIM) is proposed as a preventive and chemotherapeutic agent for cancer by inhibiting cell proliferation and inducing cell apoptosis. However, we found that in contrary to high level of DIM (30 μM), low level of DIM (1 μM and 10 μM) obviously promoted gastric cancer cell growth and migration. In addition, we found that low level of DIM increased the expression of stemness factors and enhanced the pluripotency of gastric cancer cells. Low level of DIM promoted gastric cancer progression by inducing the PORCN-dependent secretion of Wnt4 and the activation of β-catenin signaling. Wnt4 knockdown reversed the effects of low level of DIM on gastric cancer cells. The results of in vivo studies showed that gastric cancer cells treated with low level of DIM (1 μM) grew faster and expressed higher level of Wnt4 than control cells. Taken together, our findings indicate that low level of DIM activates autocrine Wnt4 signaling to enhance the progression of gastric cancer, which may suggest an adverse aspect of DIM in cancer therapy. Our findings will provide a new aspect for the safety of DIM in its clinical application.
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Affiliation(s)
- Yanhua Zhu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China.,Department of Clinical Laboratory, Dali Bai Autonomous Prefecture People's Hospital, Dali, Yunnan, P. R. China
| | - Bin Zhang
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Aihua Gong
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hailong Fu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Xu Zhang
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hui Shi
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Yaoxiang Sun
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Lijun Wu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Zhaoji Pan
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Fei Mao
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Wei Zhu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Hui Qian
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
| | - Wenrong Xu
- Key Laboratory of Laboratory Medicine of Jiangsu Province, The Affiliated Hospital, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P. R. China
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Lai J, Chen K, Li Y, Pan Z, Shen S, Yang Y, Gu R, Liu F, Hu Y, Jiang X, Yu F. A nomogram for predicting the likelihood of axillary lymph node metastasis in breast cancer patients based on ultrasonographic-pathologic features. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Zhang Q, Pan Z, Liu B, Liu Y, Wu X, Xu K. P1.03-017 Benzyl Isothiocyanate Induces Protective Autophagy in Human Lung Cancer Cells through Endoplasmic Reticulum Stress-Mediated Mechanism. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Li A, Zhang Y, Liu Y, Pan Z. Corneal Xenotransplantation From Pig to Rhesus Monkey: No Signs of Transmission of Endogenous Porcine Retroviruses. Transplant Proc 2017; 49:2209-2214. [DOI: 10.1016/j.transproceed.2017.07.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 06/11/2017] [Accepted: 07/30/2017] [Indexed: 11/16/2022]
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Pan Z, Tian Y, Zhang B, Zhang X, Shi H, Liang Z, Wu P, Li R, You B, Yang L, Mao F, Qian H, Xu W. YAP signaling in gastric cancer-derived mesenchymal stem cells is critical for its promoting role in cancer progression. Int J Oncol 2017; 51:1055-1066. [PMID: 28848999 PMCID: PMC5592864 DOI: 10.3892/ijo.2017.4101] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 07/24/2017] [Indexed: 12/20/2022] Open
Abstract
Cancer-associated mesenchymal stem cells (MSCs) are critically involved in tumor development and progression. However, the mechanisms of action for MSCs in cancer remain largely unknown. Herein, we reported that the expression of Yes-associated protein 1 (YAP) was higher in gastric cancer derived mesenchymal stem cells (GC-MSCs) than that in bone marrow derived MSCs (BM-MSCs). YAP knockdown not only inhibited the growth, migration and invasion, and stemness of GC-MSCs, but also suppressed their promoting effect on gastric cancer growth in vitro and in vivo. In addition, the interference of YAP expression in GC-MSCs also attenuated the promoting role of gastric cancer cells in endothelial cell tube formation and migration. Mechanistically, YAP knockdown reduced the activation of β-catenin and its target genes in gastric cancer cells by GC-MSCs. Taken together, these findings suggest that YAP activation in GC-MSCs plays an important role in promoting gastric cancer progression, which may represent a potential target for gastric cancer therapy.
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Affiliation(s)
- Zhaoji Pan
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Yiqing Tian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Bin Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Xu Zhang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Hui Shi
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Zhaofeng Liang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Peipei Wu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Rong Li
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Benshuai You
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Lunyu Yang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Fei Mao
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Hui Qian
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Wenrong Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
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Sayer RD, Speaker KJ, Pan Z, Peters JC, Wyatt HR, Hill JO. Equivalent reductions in body weight during the Beef WISE Study: beef's role in weight improvement, satisfaction and energy. Obes Sci Pract 2017; 3:298-310. [PMID: 29071106 PMCID: PMC5598025 DOI: 10.1002/osp4.118] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 05/27/2017] [Accepted: 05/29/2017] [Indexed: 12/26/2022] Open
Abstract
Objective The objective of this randomized equivalence trial was to determine the impact of consuming lean beef as part of a high protein (HP) weight‐reducing diet on changes in body weight, body composition and cardiometabolic health. Methods A total of 120 adults (99 female) with overweight or obesity (BMI: 35.7 ± 7.0 kg m−2) were randomly assigned to consume either a HP diet with ≥4 weekly servings of lean beef (B; n = 60) or a HP diet restricted in all red meats (NB; n = 60) during a 16‐week weight loss intervention. Results Body weight was reduced by 7.8 ± 5.9% in B and 7.7 ± 5.5% in NB (p < 0.01 for both). Changes in percent body weight were equivalent between B and NB (mean difference: 0.06%, 90% confidence interval: (−1.7, 1.8)). Fat mass was reduced in both groups (p < 0.01; B: 8.0 ± 0.6 kg, NB: 8.6 ± 0.6 kg), while lean mass was not reduced in either group. Improvements in markers of cardiometabolic health (total cholesterol, low‐density lipoprotein cholesterol, triglycerides and blood pressure) were not different between B and NB. Conclusion Results of this study demonstrate that HP diets – either rich or restricted in red meat intakes – are effective for decreasing body weight and improving body composition and cardiometabolic health.
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Affiliation(s)
- R D Sayer
- University of Colorado Anschutz Health and Wellness Center University of Colorado Anschutz Medical Campus Aurora CO USA
| | - K J Speaker
- University of Colorado Anschutz Health and Wellness Center University of Colorado Anschutz Medical Campus Aurora CO USA
| | - Z Pan
- Department of Pediatrics Children's Hospital Colorado Research Institute, Anschutz Medical Campus Aurora CO USA
| | - J C Peters
- University of Colorado Anschutz Health and Wellness Center University of Colorado Anschutz Medical Campus Aurora CO USA
| | - H R Wyatt
- University of Colorado Anschutz Health and Wellness Center University of Colorado Anschutz Medical Campus Aurora CO USA
| | - J O Hill
- University of Colorado Anschutz Health and Wellness Center University of Colorado Anschutz Medical Campus Aurora CO USA
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Bai L, Pan Z, Xu J, Li FQ. [Molecular characterization genetic diversity of extended-spectrum β-lactamases-harboring conjugative plasmids identified in multi-drug resistant Escherichia coli isolated from food in China]. Zhonghua Yu Fang Yi Xue Za Zhi 2017; 51:610-614. [PMID: 28693085 DOI: 10.3760/cma.j.issn.0253-9624.2017.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: The purpose of this study was to investigate the molecular characteristics of ESBL-encoding conjugative plasmid identified in muti-drug resistant Escherichia coli isolated from food. Methods: 465 Escherichia coli isolates were collected from national foodborne disease surveillance net from 2013 to 2014 (salad, n=159; meat, n=102; processed meat, n=95; cakes/rice, n=46; cooked dish, n=63). ESBLs strain was detected by Mueller-Hinton agar plate, and then its drug resistance was tested by agar dilution method. Polymerase chain reaction (PCR) and DNA sequencing were performed to identify the corresponding ESBL genes. Plasmids were typed by PCR-based replicon typing and their characteristics were determined by S1-nuclease pulsed-field gel electrophoresis method. Broth mating assays were carried out for all isolates to determine whether the ESBL marker could be transferred by conjugation. Results: 12 E. coli were found to be resistant to cefotaxime, and all of which were confirmed as ESBLs. The 12 isolates all carried different types of CTX-M genes resistant to drug, and 7 of which carried TEM type as well. All 12 isolates contained at least one plasmid and some had four plasmids, with size ranging from 47-to 220-kb by S1-PFGE anaylsis. Seven isolates demonstrated the ability to transfer their cefotaxime resistance marker to the recotper strain J53 by only one plasmid. Conclusion: This study highlights the diversity of the multi-drug resistant E. coli and also the diversity of ESBL genes in China. Plasmids carrying these genes poses a serious threat to food safety in China.
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Affiliation(s)
- L Bai
- Key Laboratory of Food Safety Risk Assessment of Health, China National Center for Food Safety Risk Assessment, Beijing 100021, China
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