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Fang X, Wang X, Hou Y, Zhou L, Jiang Y, Wen X. Effect of platelet-rich plasma on healing of lower extremity diabetic skin ulcers: A meta-analysis. Int Wound J 2024; 21:e14856. [PMID: 38531532 DOI: 10.1111/iwj.14856] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
The aim of this research is to explore the therapeutic efficacy of platelet-rich plasma (PRP) on the cutaneous ulceration of diabetes mellitus (DM). From the beginning of the database until January 2024, we looked through several databases to obtain randomised, controlled PRP studies to treat the wound healing of DM in adult patients. The Cochrane Collaboration's Risk-Of-Bias Instrument was used to evaluate the risk of bias in randomised, controlled studies. Funnel plots, sensitivity analyses and Egger regression tests were employed to determine the reliability and effectiveness of the meta-analyses. Depending on the degree of heterogeneity, a fixed or random effect model has been used. The statistical significance was determined to be below 0.05. Altogether 281 trials were collected from the database and entered into Endnote Software for screening, and 15 trials were analysed. It was found that PRP was associated with a higher rate of wound healing (OR, 3.23; 95% CI, 2.42, 4.31 p < 0.0001). PRP was associated with a reduction in the risk of post-operative wound infection (OR, 0.46; 95% CI, 0.21, 0.99 p = 0.05). PRP was associated with a reduction in the risk of amputations amongst those with DM (OR, 0.50; 95% CI, 0.30, 0.84 p = 0.009). Overall, PRP treatment for DM is expected to improve the rate of wound healing, decrease the risk of wound infection and decrease the risk of amputations.
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Affiliation(s)
- Xiansong Fang
- Department of Blood transfusion, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaoling Wang
- Department of Clinical Laboratory, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Ya Hou
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
| | - Liang Zhou
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
| | - Yingjie Jiang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
| | - Xiaoyun Wen
- Department of Clinical Laboratory, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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Wen X, Zhao C, Zhao B, Yuan M, Chang J, Liu W, Meng J, Shi L, Yang S, Zeng J, Yang Y. Application of deep learning in radiation therapy for cancer. Cancer Radiother 2024; 28:208-217. [PMID: 38519291 DOI: 10.1016/j.canrad.2023.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 03/24/2024]
Abstract
In recent years, with the development of artificial intelligence, deep learning has been gradually applied to clinical treatment and research. It has also found its way into the applications in radiotherapy, a crucial method for cancer treatment. This study summarizes the commonly used and latest deep learning algorithms (including transformer, and diffusion models), introduces the workflow of different radiotherapy, and illustrates the application of different algorithms in different radiotherapy modules, as well as the defects and challenges of deep learning in the field of radiotherapy, so as to provide some help for the development of automatic radiotherapy for cancer.
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Affiliation(s)
- X Wen
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; Department of Radiotherapy, Yunnan Cancer Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - C Zhao
- School of Biomedical Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Minhang District, Shanghai, China
| | - B Zhao
- Department of Radiotherapy, Yunnan Cancer Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - M Yuan
- Department of Radiotherapy, Yunnan Cancer Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - J Chang
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - W Liu
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - J Meng
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - L Shi
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - S Yang
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - J Zeng
- Cancer Institute of the Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao University, Qingdao, China; School of Basic Medicine, Qingdao University, Qingdao, China
| | - Y Yang
- Department of Radiotherapy, Yunnan Cancer Hospital, the Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
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Xu X, Pang T, Zhou Y, Zhang H, Ma A, Yuan C, Chen H, Wen X, Yang Q, Xu X. The Multi-domain Lifestyle Intervention for Cognitive Impairment in Community-Dwelling Older Adults in Hangzhou (The Heritage Study): Study Design and Protocol. J Prev Alzheimers Dis 2024; 11:601-611. [PMID: 38706276 DOI: 10.14283/jpad.2024.59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
BACKGROUND The globe has been working to promote a multi-domain lifestyle intervention for dementia prevention in older adults, referring to the Worldwide-FINGERS (Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability) initiative. In China, the multi-domain lifestyle intervention has been implemented in rural communities (MIND-China), yet the adaptability of such intervention based on the urban communities in China has not been verified. OBJECTIVE To examine the effectiveness and feasibility of the multi-domain lifestyle intervention on dementia prevention in at-risk community-dwelling older adults in China. DESIGN, SETTING, PARTICIPANTS The multi-domain lifestyle intervention study is a community-based 2-year cluster randomized controlled trial (RCT). A total of 1200 participants aged 60-80 years old will be recruited from twelve communities in Hangzhou, Zhejiang. Inclusion criteria were the Montreal Cognitive Assessment 5 minutes protocol (5 min MoCA) score of 6-9 or the Ascertain Dementia 8 (AD 8) score of ≥2, and having modifiable lifestyle factors. INTERVENTION, MEASUREMENTS, RESULTS Participating communities will be randomized into either the structured multi-domain intervention (SMI) arm or the self-guided intervention (SGI, general health education) arm. The SMI consists of cognitive training, physical exercise, and nutritional and dietary instruction for the first 12 months; and vascular risks monitoring and control for 24 months. The primary outcome is the global cognitive performance, measured by the comprehensive Neuropsychological Test Battery (NTB). The secondary outcomes include domain-specific cognitive performances, physical function, mental health, physiological and biochemical indices, adherence to healthy lifestyles, and neuroimaging metrics. The feasibility of intervention will be evaluated around the five dimensions of the RE-AIM framework and in conjunction with quantitative data, operational data and results of focus group discussions. CONCLUSIONS Following the Worldwide-FINGERS, this cluster RCT will verify the adaptability of the multi-domain lifestyle intervention in the urban community settings in China. This study will add evidence for global dementia prevention and management among older adults.
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Affiliation(s)
- X Xu
- Xin Xu, School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, China, 310058.
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Liu H, Li W, Zhu M, Wen X, Jin J, Wang H, Lv D, Zhao S, Wu X, Jiao J. Myokines and Biomarkers of Frailty in Older Inpatients with Undernutrition: A Prospective Study. J Frailty Aging 2024; 13:82-90. [PMID: 38616363 DOI: 10.14283/jfa.2024.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
BACKGROUND Population aging might increase the prevalence of undernutrition in older people, which increases the risk of frailty. Numerous studies have indicated that myokines are released by skeletal myocytes in response to muscular contractions and might be associated with frailty. This study aimed to evaluate whether myokines are biomarkers of frailty in older inpatients with undernutrition. METHODS The frailty biomarkers were extracted from the Gene Expression Omnibus and Genecards datasets. Relevant myokines and health-related variables were assessed in 55 inpatients aged ≥ 65 years from the Peking Union Medical College Hospital prospective longitudinal frailty study. Serum was prepared for enzyme-linked immunosorbent assay using the appropriate kits. Correlations between biomarkers and frailty status were calculated by Spearman's correlation analysis. Multiple linear regression was performed to investigate the association between factors and frailty scores. RESULTS The prevalence of frailty was 13.21%. The bioinformatics analysis indicated that leptin, adenosine 5'-monophosphate-activated protein kinase (AMPK), irisin, decorin, and myostatin were potential biomarkers of frailty. The frailty group had significantly higher concentrations of leptin, AMPK, and MSTN than the robust group (p < 0.05). AMPK was significantly positively correlated with frailty (p < 0.05). The pre-frailty and frailty groups had significantly lower concentrations of irisin than the robust group (p < 0.05), whereas the DCN concentration did not differ among the groups. Multiple linear regression suggested that the 15 factors influencing the coefficients of association, the top 50% were the ADL score, MNA-SF score, serum albumin concentration, urination function, hearing function, leptin concentration, GDS-15 score, and MSTN concentration. CONCLUSIONS Proinflammatory myokines, particularly leptin, myostatin, and AMPK, negatively affect muscle mass and strength in older adults. ADL and nutritional status play major roles in the development of frailty. Our results confirm that identification of frailty relies upon clinical variables, myokine concentrations, and functional parameters, which might enable the identification and monitoring of frailty.
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Affiliation(s)
- H Liu
- Hongpeng Liu, Peking University School of Nursing, Beijing, China, ; Xinjuan Wu,
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Wen X, Hou Y, Zhou L, Fang X. LINC00969 inhibits proliferation with metastasis of breast cancer by regulating phosphorylation of PI3K/AKT and ILP2 expression through HOXD8. PeerJ 2023; 11:e16679. [PMID: 38130932 PMCID: PMC10734406 DOI: 10.7717/peerj.16679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023] Open
Abstract
Background Breast cancer (BC) is a malignancy that is inadequately treated and poses a significant global health threat to females. The aberrant expression of long noncoding RNAs (lncRNAs) acts as a complex with a precise regulatory role in BC progression. LINC00969 has been linked to pyroptotic cell death and resistance to gefitinib in lung cancer cells. However, the precise function and regulatory mechanisms of LINC00969 in BC remain largely unexplored. Methods Cell proliferation, migration, and invasion of BC cells were evaluated using CCK-8 and Transwell assays. Western blotting was employed to analyze the protein expression levels of HOXD8, ILP2, PI3K, t-AKT, and p-AKT. Results LINC00969 was drastically reduced in BC tissues LINC00969 overexpression markedly suppressed proliferation, migration, and invasion, and blocked PI3K and p-AKT protein expression in MCF-7 cells. Activation of the PI3K/AKT pathway reversed the suppressive effect of LINC0096 overexpression on the proliferation, migration, and invasion of MCF-7 cells. Moreover, LINC00969 overexpression enhanced HOXD8 and blocked ILP2 protein expression in MCF-7 cells. In contrast, activating the PI3K/AKT pathway had no effect on HOXD8 and blocked ILP2 protein expression in MCF-7 cells overexpressing LINC00969. HOXD8 knockdown enhanced ILP2, PI3K, and p-AKT protein expression, and the proliferation, migration, and invasion of MCF-7 cells co-transfected with si-HOXD8 and ov-LINC00969. LINC00969 regulated HOXD8 via binding to miR-425-5p. Conclusion LINC00969 inhibits the proliferation and metastasis of BC cells by regulating PI3K/AKT phosphorylation through HOXD8/ILP2.
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Affiliation(s)
- Xiaoyun Wen
- Clinical Laboratory, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Ya Hou
- The First School of Clinical Medicine,Gannan Medical University, Ganzhou, China
| | - Liang Zhou
- The First School of Clinical Medicine,Gannan Medical University, Ganzhou, China
| | - Xiansong Fang
- Blood transfusion department,The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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Adams SH, Luo E, Lozeau D, Wen X. A Case Report of Primary Malignant Melanoma of the Gallbladder with Multiple Metastases. Case Rep Pathol 2023; 2023:4847053. [PMID: 38115990 PMCID: PMC10730246 DOI: 10.1155/2023/4847053] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/19/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023] Open
Abstract
Primary malignant melanoma of the gallbladder is an extremely rare tumor with approximately 39 cases described in the literature so far. However, since the first case was reported in 1907, it remains controversial whether gallbladder involvement in malignant melanoma is primary or metastatic. Here, we report a case of primary malignant melanoma of the gallbladder. A 52-year-old male presented to the emergency department with right upper quadrant abdominal pain and was found to have tumefactive sludge filling the majority of the gallbladder with possible gallbladder wall thickening on ultrasonography. A laparoscopic cholecystectomy was performed for presumed acute cholecystitis. Histopathologic examination of the gallbladder revealed malignant melanoma arising from the mucosa of the gallbladder. Further clinical investigation excluded other primary sites, supporting a diagnosis of primary malignant melanoma of the gallbladder.
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Affiliation(s)
- Steven H. Adams
- Stony Brook Medicine Department of Pathology, Stony Brook, New York, USA
| | - Erinn Luo
- Ward Melville High School, East Setauket, New York, USA
| | - Daniel Lozeau
- Stony Brook Medicine Department of Pathology, Stony Brook, New York, USA
- Stony Brook Medicine Department of Surgery, Stony Brook, New York, USA
| | - Xiaoyun Wen
- Stony Brook Medicine Department of Pathology, Stony Brook, New York, USA
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Xu L, Wang H, Tong D, Xiang Z, Cao L, Wen X, Chen H, Xu J, Cui Y. Potential contamination at inhalation ports of air compressor-supplied ventilators. J Hosp Infect 2023; 142:130-131. [PMID: 37385453 DOI: 10.1016/j.jhin.2023.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/23/2023] [Accepted: 06/24/2023] [Indexed: 07/01/2023]
Affiliation(s)
- L Xu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - H Wang
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - D Tong
- Hospital Infection Control Center, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Z Xiang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - L Cao
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Anesthesiology, Guilin Hospital of the Second Xiangya Hospital, Central South University, Guilin, Guangxi, China
| | - X Wen
- Department of Anesthesiology, Wenzhou People's Hospital, Wenzhou, Zhejiang, China
| | - H Chen
- Department of Clinical Microbiology Laboratory, Chenzhou No. 1 People's Hospital, Chenzhou, Hunan, China
| | - J Xu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Y Cui
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Hou Y, Wen X, Zhou L, Fang X. The value of platelet-rich plasma-derived extracellular vesicles in modern medicine. Ann Med 2023; 55:2287705. [PMID: 38065677 PMCID: PMC10880568 DOI: 10.1080/07853890.2023.2287705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Platelet-rich plasma (PRP) has been widely used in clinical practice. The mechanism by which PRP promotes tissue repair lies in the release of multiple growth factors upon platelet activation, which accelerates the proliferation and differentiation of repair cells and the synthesis of extracellular matrix. In recent years, as extracellular vesicles (EVs) research has increased and intensified, it has been found that EVs also play an important role in tissue repair. This article provides a comprehensive review of the role of PRP and PRP-derived extracellular vesicles (PRP-EVs) in tissue repair. It discusses the biological characteristics, extraction, identification, activation, and preservation of PRP-EVs. It also reviews their applications in orthopedics and wound repair. The article highlights the importance of PRP-EVs in modern medicine and suggests that they could be a promising natural nanocarrier.
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Affiliation(s)
- Ya Hou
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaoyun Wen
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Liang Zhou
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiansong Fang
- Blood Transfusion Department, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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Gao X, McFadden WM, Wen X, Emanuelli A, Lorson ZC, Zheng H, Kirby KA, Sarafianos SG. Use of TSAR, Thermal Shift Analysis in R, to identify Folic Acid as a Molecule that Interacts with HIV-1 Capsid. bioRxiv 2023:2023.11.29.569293. [PMID: 38076946 PMCID: PMC10705415 DOI: 10.1101/2023.11.29.569293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Thermal shift assay (TSA) is a versatile biophysical technique for studying protein interactions. Here, we report a free, open-source software tool TSAR (Thermal Shift Analysis in R) to expedite and automate the analysis of thermal shift data derived either from individual experiments or large screens of chemical libraries. The TSAR package incorporates multiple, dynamic workflows to facilitate the analysis of TSA data and returns publication-ready graphics or processed results. Further, the package includes a graphic user interface (GUI) that enables easy use by non-programmers, aiming to simplify TSA analysis while diversifying visualization. To exemplify the utility of TSAR we screened a chemical library of vitamins to identify molecules that interact with the capsid protein (CA) of human immunodeficiency virus type 1 (HIV-1). Our data show that hexameric CA interacts with folic acid in vitro.
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Affiliation(s)
- X. Gao
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - W. M. McFadden
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - X. Wen
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - A. Emanuelli
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - Z. C. Lorson
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - H. Zheng
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - K. A. Kirby
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
| | - S. G. Sarafianos
- Center for ViroScience and Cure, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
- Children’s Healthcare of Atlanta, Atlanta, GA
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Chen MY, Wen YH, Wen X, He R, Huang ZX, Li J, Wen WP. [Oncologic outcomes of surgical treatments of advanced sinonasal malignancies]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2023; 58:431-437. [PMID: 37100750 DOI: 10.3760/cma.j.cn115330-20221001-00588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Objective: To investigate the prognoses of advanced (T3-T4) sinonasal malignancies (SNM). Methods: The clinical data of 229 patients with advanced (T3-4) SNM who underwent surgical treatments in the First Affiliated Hospital of Sun Yat-sen University from 2000 to 2018 were retrospectively analyzed, including 162 males and 67 females, aged (46.8±18.5) years old. Among them, 167 cases received endoscopic surgery alone, 30 cases received assisted incision endoscopic surgery, and 32 cases received open surgery. The Kaplan-Meier method was used to estimate the 3-year and 5-year overall survival (OS) and event-free survival (EFS). Univariate and multivariate Cox regression analyses were performed to explore significant prognostic factors. Results: The 3-year and 5-year OS were respectively 69.7% and 64.0%. The median OS time was 43 months. The 3-year and 5-year EFS were respectively 57.8% and 47.4%. The median EFS time was 34 months. The 5-year OS of the patients with epithelial-derived tumors was better than that of the patients with mesenchymal-derived tumors and malignant melanoma (5-year OS was respectively 72.3%, 47.8% and 30.0%, χ2=36.01, P<0.001). Patients with microscopically margin-negative resection (R0 resection) had the best prognosis, followed by macroscopically margin-negative resection (R1 resection), and debulking surgery was the worst (5-year OS was respectively 78.4%, 55.1% and 37.4%, χ2=24.63, P<0.001). There was no significant difference in 5-year OS between the endoscopic surgery group and the open surgery group (65.8% vs. 53.4%, χ2=2.66, P=0.102). Older patients had worse OS (HR=1.02, P=0.011) and EFS (HR=1.01, P=0.027). Patients receiving adjuvant therapy had a lower risk of death (HR=0.62, P=0.038). Patients with a history of nasal radiotherapy had a higher risk of recurrence (HR=2.48, P=0.002) and a higher risk of death (HR=2.03, P=0.020). Conclusion: For patients with advanced SNM, the efficacy of endoscopic surgery can be comparable to that of open surgery when presence of safe surgical margins, and a treatment plan based on transnasal endoscopic surgery as the main comprehensive treatment is recommended.
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Affiliation(s)
- M Y Chen
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - Y H Wen
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - X Wen
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - R He
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - Z X Huang
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - J Li
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
| | - W P Wen
- Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Sun Yat-sen University, the Institute of Otorhinolaryngology of Sun Yat-sen University, Guangzhou Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Guangzhou 510080, China
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Zhou K, Wu F, Zhao N, Zheng Y, Deng Z, Yang H, Wen X, Xiao S, Yang C, Chen S, Zhou Y, Ran P. Association of pectoralis muscle area on computed tomography with airflow limitation severity and respiratory outcomes in COPD: A population-based prospective cohort study. Pulmonology 2023:S2531-0437(23)00039-9. [PMID: 36907812 DOI: 10.1016/j.pulmoe.2023.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 03/12/2023] Open
Abstract
BACKGROUND Previous studies have shown that patients with chronic obstructive pulmonary disease (COPD) of severe or very severe airflow limitation have a reduced pectoralis muscle area (PMA), which is associated with mortality. However, whether patients with COPD of mild or moderate airflow limitation also have a reduced PMA remains unclear. Additionally, limited evidence is available regarding the associations between PMA and respiratory symptoms, lung function, computed tomography (CT) imaging, lung function decline, and exacerbations. Therefore, we conducted this study to evaluate the presence of PMA reduction in COPD and to clarify its associations with the referred variables. METHODS This study was based on the subjects enrolled from July 2019 to December 2020 in the Early Chronic Obstructive Pulmonary Disease (ECOPD) study. Data including questionnaire, lung function, and CT imaging were collected. The PMA was quantified on full-inspiratory CT at the aortic arch level using predefined -50 and 90 Hounsfield unit attenuation ranges. Multivariate linear regression analyses were performed to assess the association between the PMA and airflow limitation severity, respiratory symptoms, lung function, emphysema, air trapping, and the annual decline in lung function. Cox proportional hazards analysis and Poisson regression analysis were used to evaluate the PMA and exacerbations after adjustment. RESULTS We included 1352 subjects at baseline (667 with normal spirometry, 685 with spirometry-defined COPD). The PMA was monotonically lower with progressive airflow limitation severity of COPD after adjusting for confounders (vs. normal spirometry; Global Initiative for Chronic Obstructive Lung Disease [GOLD] 1: β=-1.27, P=0.028; GOLD 2: β=-2.29, P<0.001; GOLD 3: β=-4.88, P<0.001; GOLD 4: β=-6.47, P=0.014). The PMA was negatively associated with the modified British Medical Research Council dyspnea scale (β=-0.005, P=0.026), COPD Assessment Test score (β=-0.06, P=0.001), emphysema (β=-0.07, P<0.001), and air trapping (β=-0.24, P<0.001) after adjustment. The PMA was positively associated with lung function (all P<0.05). Similar associations were discovered for the pectoralis major muscle area and pectoralis minor muscle area. After the 1-year follow-up, the PMA was associated with the annual decline in the post-bronchodilator forced expiratory volume in 1 s percent of predicted value (β=0.022, P=0.002) but not with the annual rate of exacerbations or the time to first exacerbation. CONCLUSION Patients with mild or moderate airflow limitation exhibit a reduced PMA. The PMA is associated with airflow limitation severity, respiratory symptoms, lung function, emphysema, and air trapping, suggesting that PMA measurement can assist with COPD assessment.
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Affiliation(s)
- K Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - F Wu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China; Guangzhou Laboratory, Bio-island, Guangzhou, China
| | - N Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Y Zheng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Z Deng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - H Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - X Wen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - S Xiao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - C Yang
- Department of Pulmonary and Critical Care Medicine, Wengyuan County People's Hospital, Shaoguan, China
| | - S Chen
- Medical Imaging Center, Wengyuan County People's Hospital, Shaoguan, China
| | - Y Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China; Guangzhou Laboratory, Bio-island, Guangzhou, China.
| | - P Ran
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China; Guangzhou Laboratory, Bio-island, Guangzhou, China.
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Xie Q, Xing H, Wen X, Liu B, Wei Y, Yu Y, Xie X, Song D, Shao G, Xiong Q, Feng Z. Identification of the multiple roles of enolase as an plasminogen receptor and adhesin in Mycoplasma hyopneumoniae. Microb Pathog 2023; 174:105934. [PMID: 36481292 DOI: 10.1016/j.micpath.2022.105934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/07/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022]
Abstract
Mycoplasma hyopneumoniae is the etiological agent underlying porcine enzootic pneumonia, a chronic respiratory disease worldwide. The recruitment of plasminogen to the surface and subsequently promotion of plasmin conversion by the surface-located receptor, have been reported to assist the adhesion and invasion of Mycoplasmas. The surface localization and plasminogen-binding ability of M. hyopneumoniae enolase were previously confirmed; however, the biological functions were not be determined, especially the role as a plasminogen receptor. Here, using ELISA and SPR analyses, we confirmed the stable binding of M. hyopneumoniae enolase to plasminogen in a dose-dependent manner. The facilitation of the activation of plasminogen in the presence of tPA and direct activation of plasminogen at low efficiency without tPA addition by M. hyopneumoniae enolase were also determined using a plasmin-specific chromogenic substrate. Notably, the C-terminal and N-terminal regions located in M. hyopneumoniae enolase play an important role in plasminogen binding and activation. Additionally, we demonstrate that M. hyopneumoniae enolase can competitively inhibit the adherence of M. hyopneumoniae to PK15 cells. These results provide insight into the role of enolase in M. hyopneumoniae infection, a mechanism that manipulates the proteolytic system of the host.
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Affiliation(s)
- Qingyun Xie
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Huixuan Xing
- Institute of Animal Science, Tibet Agricultural and Animal Husbandry College, Linzhi, 860000, China
| | - Xiaoyun Wen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Beibei Liu
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Yanna Wei
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Yanfei Yu
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Xing Xie
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Daesub Song
- College of Veterinary Medicine, Seoul National University, Seoul, South Korea
| | - Guoqing Shao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Qiyan Xiong
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
| | - Zhixin Feng
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
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Zhao C, Wen X, Feng JL, Li WR, Wu D. [Effects of insulin glargine at different times on organ oxidative stress in burned rats with delayed resuscitation]. Zhonghua Yi Xue Za Zhi 2022; 102:3476-3481. [PMID: 36396365 DOI: 10.3760/cma.j.cn112137-20220711-01529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To examine the antioxidant effect of low dosage insulin glargine intervention at different time in rats with delayed resuscitation after burn, in order to acquire a better time of antioxidant intervention during delayed resuscitation following burn injury. Methods: With 10 rats in each group, 50 male SD rats were assigned to sham injury group, delayed resuscitation group, immediate post-burn insulin glargine treatment group (immediate treatment group), 2 hours post-burn insulin glargine treatment group(2 h treatment group), and 6 hours post-burn insulin treatment group(6 h treatment group) with random number table. Each treatment group received subcutaneous injections of insulin glargine (1.0 U·kg-1·d-1) immediately, two hours and six hours after the burn, while the delayed resuscitation group received the same amount of normal saline six hours after the burn. To imitate delayed fluid resuscitation, the delayed resuscitation group and each therapy group were intraperitoneally injected with normal saline (40 ml/kg) 6 hours after injury. No medicine and fluid resuscitation was administered to the sham injury group. Rats in the sham injury group had their abdominal aortic blood, hearts, and kidney tissues collected immediately after injury, while rats in the other groups had their blood and tissues collected 24 hours later. To analyze the timing of antioxidant intervention, the activities of CuZn-superoxide dismutase (CuZn-SOD), catalase (CAT), glutathione peroxidase (GSH-Px), total antioxidant capacity (T-AOC), xanthine oxidase (XOD) and myeloperoxidase (MPO) in blood glucose and myocardial and renal tissues were measured by spectrophotometry. Results: Compared with the sham group, blood glucose levels in the delayed resuscitation group increased [(10.72±0.80) vs (6.57±0.82)mmol/L,P<0.001], while in the myocardium and kidney, the activities of CuZn-SOD, CAT, GSH-Px and T-AOC decreased (all P<0.05) and the activities of XOD and MPO increased (all P<0.05). Compared with the delayed resuscitation group, blood glucose decreased in the immediate, 2 h, and 6 h treatment groups (all P<0.05). In the immediate and 2 h treatment group, the activities of CuZn-SOD, CAT, GSH-Px and T-AOC in the myocardium and kidney increased(all P<0.05). In the 6 h treatment group, only the activities of GSH-Px in myocardium, CAT and GSH-Px in kidney increased (all P<0.05). Compared with the delayed resuscitation group, in the immediate treatment group, the activities of MPO and XOD in myocardial tissue and XOD in renal tissue decreased (all P<0.05). The activities of MPO and XOD in myocardial and renal tissues of the 2 h treatment group both decreased (all P<0.05). In the 6 h treatment group, the activities of MPO in myocardial tissue and XOD in renal tissue both decreased (all P<0.05). Compared with the immediate treatment group, the activity of GSH-Px in myocardial tissue increased (P<0.05), and the activities of CuZn-SOD, CAT, GSH-Px and T-AOC in renal tissue increased in the 2 h treatment group (all P<0.05). The activities of CuZn-SOD, CAT, GSH-Px and T-AOC in myocardium of 6 h treatment group decreased (all P<0.05). Compared with the immediate treatment group, the activities of XOD and MPO in myocardial tissue and XOD in renal tissue of the 2 h treatment group had no significant difference (all P>0.05), but the activity of MPO in renal tissue decreased (P<0.05). The activities of XOD and MPO in myocardial tissue of the 6 h treatment group increased (all P<0.05). Compared with the 2 h treatment group, the activities of CuZn-SOD, CAT and GSH-Px and T-AOC in myocardium and kidney tissues in the 6 h treatment group decreased (all P<0.05), while the activities of XOD and MPO in myocardium and kidney tissues increased [myocardium: (374±8) vs (290±19) U/g, (0.021 8±0.003 9) vs (0.010 7±0.002 4) U/g, kidney: (157±6) vs (128±9) U/g, (0.026 8±0.004 3) vs (0.013 4±0.003 1) U/g, all P<0.05]. Conclusions: The timing of the intervention is related to the antioxidant effect of insulin glargine during delayed burn resuscitation. The intervention immediately and 2 hours after burn could have a better antioxidant effect compared to the intervention at 6 hours after burn.
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Affiliation(s)
- C Zhao
- Department of Burns and Plastic Surgery, Guizhou Medical University Affiliated Hospital, Guiyang 550004, China
| | - X Wen
- Department of Burns and Plastic Surgery, Guizhou Medical University Affiliated Hospital, Guiyang 550004, China
| | - J L Feng
- Department of Burns and Plastic Surgery, Guizhou Medical University Affiliated Hospital, Guiyang 550004, China
| | - W R Li
- Department of Burns and Plastic Surgery, Guizhou Medical University Affiliated Hospital, Guiyang 550004, China
| | - Dili Wu
- Department of Burns and Plastic Surgery, Guizhou Provincial People's Hospital,Guiyang 550002, China
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Yao B, Wen X, Li P. Next Flight Prediction for PKX's Frequent Flyers. INT J ARTIF INTELL T 2022. [DOI: 10.1142/s0218213022500488] [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: 11/18/2022]
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Tang XR, Li R, Zhao F, Wen X, Wang YK, Lv RX. 1583P Evaluation of immune checkpoint inhibitors rechallenge after immune-related adverse events in patients with cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Wu L, Pu X, Lin G, Xiao M, Lin J, Wang Q, Kong Y, Yan X, Xu F, Xu Y, Li J, Li K, Chen B, Wen X, Tan Y. EP08.01-094 A Phase II Study of Camrelizumab combined with Apatinib and Albumin Paclitaxel in Advanced Non-squamous NSCLC (CAPAP-lung). J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Wen H, Feng Z, H. Ge, Quan C, Zhou X, Yang B, Liu F, Wang J, Y. Wang, J. Zhao, Zhou G, Wen X, Liu Y, Zhu X, Wang G, Zhang Y, Li B, Cai S, Zhang Z, Wu X. 603P Multi-cancer early detection in gynaecological malignancies based on integrating multi-omics assays by liquid biopsy: A prospective study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.731] [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: 11/30/2022] Open
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18
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Li R, Tang XR, Wang YK, Wen X, Ren XY, Lv RX, Zhao F. 88P DNA-methylome derived epigenetic fingerprint as an immunophenotype indicator prompts durable clinical immunotherapeutic benefits in head and neck squamous cell carcinoma. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.120] [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] Open
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19
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Li J, Xu L, Peng Z, Jiang H, Chao F, Ding Y, Moll J, Li D, Wen X, Wang J, Ding Q, Zhang L, Kristiansen K, Brix S, Zhang X. 841P Effects of immune checkpoint inhibitor-based combination therapies on the gut microbiota in advanced melanoma patients. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.967] [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: 11/24/2022] Open
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20
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Wen X, Meakin C, Slitt A, Aleksunes L. P07-50 Inhibition of BCRP efflux transporter by persistent perfluoroalkyl chemicals. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.393] [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: 11/29/2022]
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21
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Tsoi L, Zhang Z, Patrick M, Zhang H, Wasikowski R, Gudjonsson J, Wen X, Nair R, Elder J. 512 Integrative analysis using allele specific accessibility in immunocytes to unravel biological effect for complex skin-disease associated loci. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.521] [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: 11/30/2022]
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22
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Tran-Guzman A, Moradian R, Walker C, Cui H, Corpuz M, Gonzalez I, Nguyen C, Meza P, Wen X, Culty M. Toxicity Profiles and Protective Effects of Antifreeze Proteins From Insect in Mammalian Models. Toxicol Lett 2022; 368:9-23. [PMID: 35901986 PMCID: PMC10174066 DOI: 10.1016/j.toxlet.2022.07.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/24/2022] [Accepted: 07/19/2022] [Indexed: 11/18/2022]
Abstract
Antifreeze proteins (AFPs), found in many cold-adapted organisms, can protect them from cold and freezing damages and have thus been considered as additional protectants in current cold tissue preservation solutions that generally include electrolytes, osmotic agents, colloids and antioxidants, to reduce the loss of tissue viability associated with cold-preservation. Due to the lack of toxicity profile studies on AFPs, their inclusion in cold preservation solutions has been a trial-and-error process limiting the development of AFPs' application in cold preservation. To assess the feasibility of translating the technology of AFPs for mammalian cell cold or cryopreservation, we determined the toxicity profile of two highly active beetle AFPs, DAFP1 and TmAFP, from Dendroides canadensis and Tenebrio molitor in this study. Toxicity was examined on a panel of representative mammalian cell lines including testicular spermatogonial stem cells and Leydig cells, macrophages, and hepatocytes. Treatments with DAFP1 and TmAFP at up to 500μg/mL for 48 and 72hours were safe in three of the cell lines, except for a 20% decrease in spermatogonia treated with TmAFP. However, both AFPs at 500μg/mL or below reduced hepatocyte viability by 20 to 40% at 48 and 72h. At 1000μg/mL, DAFP1 and TmAFP reduced viability in most cell lines. While spermatogonia and Leydig cell functions were not affected by 1000μg/mL DAFP1, this treatment induced inflammatory responses in macrophages. Adding 1000μg/ml DAFP1 to rat kidneys stored at 4°C for 48hours protected the tissues from cold-related damage, based on tissue morphology and gene and protein expression of two markers of kidney function. However, DAFP1 and TmAFP did not prevent the adverse effects of cold on kidneys over 72hours. Overall, DAFP1 is less toxic at high dose than TmAFP, and has potential for use in tissue preservation at doses up to 500μg/mL. However, careful consideration must be taken due to the proinflammatory potential of DAFP1 on macrophages at higher doses and the heighten susceptibility of hepatocytes to both AFPs.
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Affiliation(s)
- A Tran-Guzman
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - R Moradian
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - C Walker
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - H Cui
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - M Corpuz
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
| | - I Gonzalez
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, USA
| | - C Nguyen
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, USA
| | - P Meza
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, USA
| | - X Wen
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, USA
| | - M Culty
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA.
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Wen X, Xie Q, Li J, Pei Y, Bai Y, Liu F, Cui H, Shao G, Feng Z. Rapid and sensitive detection of African swine fever virus in pork using recombinase aided amplification combined with QDMs-based test strip. Anal Bioanal Chem 2022; 414:3885-3894. [PMID: 35380231 DOI: 10.1007/s00216-022-04030-6] [Citation(s) in RCA: 5] [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] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/14/2022] [Accepted: 03/17/2022] [Indexed: 11/29/2022]
Abstract
African swine fever virus (ASFV) is the pathogen of African swine fever, a highly contagious and fatal disease of wild boar and domestic pigs. The flow of ASFV through pork products is more concealed, higher risky, and more difficult to prevent and control. Presently, on-site ASFV detection methods in preclinical infected pigs and circulated pork products are lacking. Here, fluorescent test strip-based rapid ASFV detection method in pork was established combined with recombinase aided amplification (RAA) and quantum dot microspheres (QDMs). This method is specific to ASFV with no cross-reactivity to pseudorabies virus (PRV), porcine circovirus type 2 (PCV2), and porcine reproductive and respiratory syndrome virus (PRRSV). The method also showed highly sensitivity with a detection limit of 1 copy for ASFV plasmid templates containing B646L gene and 100 copies/g for DNA extracts from clinical pork samples within a short detection time of less than 25 min. Additionally, the method showed 99.17% consistency with real-time PCR in the ASFV detection of 120 clinical pork samples. Overall, the QDMs-based test strip method provides specific, sensitive, rapid, and simple detection of ASFV in pork, which may contribute to maintain the food safety of pork products, and facilitate ASFV traceability and prevention. Rapid and sensitive detection of African swine fever virus in pork by QDMs based test strip assay.
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Affiliation(s)
- Xiaoyun Wen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Qingyun Xie
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Jiahao Li
- Joint International Research Laboratory of Animal Health and Food Safety of Ministry of Education & Single Molecule Nanometry Laboratory (Sinmolab), Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Yanrui Pei
- Joint International Research Laboratory of Animal Health and Food Safety of Ministry of Education & Single Molecule Nanometry Laboratory (Sinmolab), Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Yun Bai
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Fei Liu
- Joint International Research Laboratory of Animal Health and Food Safety of Ministry of Education & Single Molecule Nanometry Laboratory (Sinmolab), Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Haiying Cui
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Guoqing Shao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
| | - Zhixin Feng
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
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Wen X, Chen W, Hou J, Wu H, Liu Y, Sun C. SYNTHESES, CHARACTERIZATION, AND CRYSTAL STRUCTURES OF COBALT(III) COMPLEXES DERIVED FROM 2-(((2- (PYRROLIDIN-1-YL)ETHYL)IMINO)METHYL) PHENOL WITH THE ANTIBACTERIAL ACTIVITY. J STRUCT CHEM+ 2022. [DOI: 10.1134/s0022476622020019] [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: 11/23/2022]
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Cao H, Wen X, Hong D, Li Y, Hong D. POS-688 FRAILTY RATE OF PERITONEAL DIALYSIS PATIENTS: A META-ANALYSIS. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.722] [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] Open
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Wen X, Lin H. POS-412 INHIBITING POST-TRANSLATIONAL CORE FUCOSYLATION PREVENTS VASCULARCALCIFICATION IN THE MODEL OF UREMIA. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.435] [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: 11/29/2022] Open
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Liu YQ, Gong K, Li XQ, Wen XY, An ZH, Cai C, Chang Z, Chen G, Chen C, Du YY, Gao M, Gao R, Guo DY, He JJ, Hou DJ, Li YG, Li CY, Li G, Li L, Li XF, Li MS, Liang XH, Liu XJ, Lu FJ, Lu H, Meng B, Peng WX, Shi F, Sun XL, Wang H, Wang JZ, Wang YS, Wang HZ, Wen X, Xiao S, Xiong SL, Xu YB, Xu YP, Yang S, Yang JW, Yi QB, Zhang F, Zhang DL, Zhang SN, Zhang CY, Zhang CM, Zhang F, Zhao XY, Zhao Y, Zhou X. The data acquisition algorithm designed for the SiPM-based detectors of GECAM satellite. Radiat Detect Technol Methods 2022. [DOI: 10.1007/s41605-021-00311-3] [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: 11/30/2022]
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Cho B, Rodriguez-Abreu D, Hussein M, Cobo M, Patel A, Secen N, Gerstner G, Kim DW, Lee YG, Su WC, Huang E, Patil N, Huang M, Zhang Z, Wen X, Mendus D, Hoang T, Meng R, Johnson M. LBA2 Updated analysis and patient-reported outcomes (PROs) from CITYSCAPE: A randomised, double-blind, phase II study of the anti-TIGIT antibody tiragolumab + atezolizumab (TA) versus placebo + atezolizumab (PA) as first-line treatment for PD-L1+ NSCLC. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.217] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Li XQ, Wen XY, An ZH, Cai C, Chang Z, Chen G, Chen C, Du YY, Gao M, Gao R, Gong K, Guo DY, He JJ, Hou DJ, Li YG, Li CY, Li G, Li L, Li XF, Li MS, Liang XH, Liu XJ, Liu YQ, Lu FJ, Lu H, Meng B, Peng WX, Shi F, Sun XL, Wang H, Wang JZ, Wang YS, Wang HZ, Wen X, Xiao S, Xiong SL, Xu YB, Xu YP, Yang S, Yang JW, Yi QB, Zhang DL, Zhang F, Zhang SN, Zhang CY, Zhang CM, Zhang F, Zhao XY, Zhao Y, Zhou X, Zhang CS, Yu JP, Chang L, Zhang KK, Huang J, Chen YM, Han XB. The technology for detection of gamma-ray burst with GECAM satellite. Radiat Detect Technol Methods 2021. [DOI: 10.1007/s41605-021-00288-z] [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: 11/30/2022]
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Martone G, Lehman H, Rideout T, Carmeron C, Wen X. A050 DELAYED EGG INTRODUCTION AND LESS FREQUENT EGG INTAKE AND INCREASED EGG ALLERGY IN CHILDHOOD. Ann Allergy Asthma Immunol 2021. [DOI: 10.1016/j.anai.2021.08.034] [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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31
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Dziadziuszko R, Ahn M, Kelly K, Popat S, Wakelee H, Baird A, Rooney I, Afshari M, Coleman S, Zhang Z, Kiruki H, Patil N, Wen X, Bradley J. SKYSCRAPER-03: A Phase III, Open-Label, Randomized Study of Atezolizumab Plus Tiragolumab Compared With Durvalumab in Patients With Locally Advanced, Unresectable, Stage III NSCLC Who Have Not Progressed After Platinum-Based Concurrent Chemoradiation. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Luo Y, Yang Z, Li M, Zhao M, Wen X, Zhou Z. [Mage-D1 binding to activated p75NTR positively regulates mineralization of rat ectomesenchymal stem cells in vitro]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:1547-1553. [PMID: 34755671 DOI: 10.12122/j.issn.1673-4254.2021.10.14] [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: 11/24/2022]
Abstract
OBJECTIVE To detect the binding of Mage-D1 with activated p75NTR and explore their role in regulating mineralization of ectomesenchymal stem cells (EMSCs). METHODS EMSCs were isolated from the tooth germs of embryonic SD rats (19.5 days of gestation) by tissue explant culture and were identified for surface markers using flow cytometry. The cultured cells were divided into blank control group, 100 ng/mL nerve growth factor (NGF) stimulation group, and lentivirus-mediated Mage-D1 interference (SH-Mage-D1) group. Proximity ligation assay was used to detect the binding of Mage-D1 with activated p75NTR in the EMSCs, and the binding strength was compared among the 3 groups. Alizarin red staining and ALP staining were used to observe mineralization of the induced cells. The expressions of ALP, Runx2, OCN, BSP, OPN, Msx1 and Dlx1 at both the mRNA and protein levels were detected using RT-PCR and Western blotting. RESULTS The isolated EMSCs expressed high levels of cell surface markers CD44, CD90, CD29, CD146, and CD105 with a low expression of CD45. The results of proximity ligation assay showed that the binding of Mage-D1 with activated p75NTR in the cells increased over time, and the binding strength was significantly greater in NFG-treated cells than in the cells in the other two groups (P < 0.05). Alizarin red staining and ALP staining of the induced cells showed that the changes in the mineralization nodules were consistent with those of ALP activity. The cells treated with 100 ng/mL NGF exhibited significantly increased expressions of ALP, Runx2, OCN, BSP, OPN, Col1, Msx1 and Dlx1 as compared with the cells in the other two groups (P < 0.05). CONCLUSION Mage-D1 directly binds to activated p75NTR in embryonic rat EMSCs to positively regulate the mineralization of the EMSCs.
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Affiliation(s)
- Y Luo
- Stomatological Hospital of Chongqing Medical University.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
| | - Z Yang
- Stomatological Hospital of Chongqing Medical University
| | - M Li
- Stomatological Hospital of Chongqing Medical University.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
| | - M Zhao
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences
| | - X Wen
- Department of Orthodontics, Hospital of Stomatology, Southwest Medical University, Luzhou 646000, China
| | - Z Zhou
- Stomatological Hospital of Chongqing Medical University
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Dziadziuszko R, Ahn MJ, Kelly K, Popat S, Wakelee H, Baird AM, Rooney I, Afshari M, Yao E, Zhang Z, Kuriki H, Patil N, Wen X, Bradley J. 1190TiP SKYSCRAPER-03: Phase III, open-label randomised study of atezolizumab + tiragolumab vs durvalumab in patients with locally advanced, unresectable, stage III non-small cell lung cancer (NSCLC) who have not progressed after platinum-based concurrent chemoradiation (cCRT). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Wen X, Cimera R, Aryeequaye R, Abhinta M, Athanasian E, Healey J, Fabbri N, Boland P, Zhang Y, Hameed M. Recurrent loss of chromosome 22 and SMARCB1 deletion in extra-axial chordoma: A clinicopathological and molecular analysis. Genes Chromosomes Cancer 2021; 60:796-807. [PMID: 34392582 DOI: 10.1002/gcc.22992] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 06/13/2021] [Revised: 08/09/2021] [Accepted: 08/11/2021] [Indexed: 11/10/2022] Open
Abstract
Extra-axial chordoma is a rare neoplasm of extra-axial skeleton and soft tissue that shares identical histomorphologic and immunophenotypic features with midline chordoma. While genetic changes in conventional chordoma have been well-studied, the genomic alterations of extra-axial chordoma have not been reported. It is well known that conventional chordoma is a tumor with predominantly non-random copy number alterations and low mutational burden. Herein we describe the clinicopathologic and genomic characteristics of six cases of extra-axial chordoma, with genome-wide high-resolution single nucleotide polymorphism array, fluorescence in situ hybridization and targeted next-generation sequencing (NGS) analysis. The patients presented at a mean age of 33 years (range: 21-54) with a female to male ratio of 5:1. Four cases were histologically conventional type, presented with bone lesions and three of them had local recurrence. Two cases were poorly differentiated chordomas, presented with intra-articular soft tissue masses and both developed distant metastases. All cases showed brachyury positivity and the two poorly differentiated chordomas showed in addition loss of INI-1 expression by immunohistochemical analysis. Three of four extra-axial conventional chordomas showed simple genome with loss of chromosome 22 or a heterozygous deletion of SMARCB1. Both poorly differentiated chordomas demonstrated a complex hyperdiploid genomic profile with gain of multiple chromosomes and homozygous deletion of SMARCB1. Our findings show that heterozygous deletion of SMARCB1 or the loss of chromosome 22 is a consistent abnormality in extra-axial chordoma and transformation to poorly differentiated chordoma is characterized by homozygous loss of SMARCB1 associated with genomic complexity and instability such as hyperdiploidy.
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Affiliation(s)
- Xiaoyun Wen
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Robert Cimera
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Ruth Aryeequaye
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Mohanty Abhinta
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Edward Athanasian
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - John Healey
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Nicola Fabbri
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Patrick Boland
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Yanming Zhang
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Meera Hameed
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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Wen X, Chen Y, Fang X. Overexpression of HOXD8 inhibits the proliferation, migration and invasion of breast cancer cells by downregulating ILP2 expression. Exp Ther Med 2021; 22:1006. [PMID: 34345288 PMCID: PMC8311240 DOI: 10.3892/etm.2021.10439] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/21/2021] [Indexed: 01/20/2023] Open
Abstract
Breast cancer is one of the most common malignant tumors in women. Although a number of homeobox (HOX) genes are known to serve an important role in breast cancer, the role of HOXD8 in breast cancer remains unclear. The aim of the present study was to investigate the role of HOXD8 in the physiological behaviors of breast cancer cells. The Gene Expression Profiling Interactive Analysis database was used to analyze the expression of HOXD8 in patients with breast cancer and in healthy subjects. Western blotting was performed to determine the expression levels of HOXD8 in several breast cancer cell lines; subsequently, HOXD8 expression was knocked down and overexpressed in MCF-7 cells. Cell Counting Kit-8, colony formation, wound healing and Transwell assays were used to evaluate the effects of HOXD8 on breast cancer cell viability, proliferation, migration and invasion, respectively. Chromatin immunoprecipitation and dual-luciferase reporter assays were conducted to identify the binding sites between HOXD8 and inhibitor of apoptosis-like protein-2 (ILP2). In addition, ILP2 expression levels were knocked down in MCF-7 cells. The results demonstrated that the expression levels of HOXD8 were significantly downregulated in breast cancer tissues and cell lines, and that the overexpression of HOXD8 inhibited the proliferation, invasion and migration of cancer cells. HOXD8 was shown to bind to the ILP2 promoter to regulate the expression of ILP2. Furthermore, ILP2 knockdown reversed the effects of HOXD8 knockdown on breast cancer cell proliferation, invasion and migration. In conclusion, the findings of the present study suggested that HOXD8 may inhibit the proliferation, migration and invasion of breast cancer cells by downregulating ILP2 expression.
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Affiliation(s)
- Xiaoyun Wen
- Department of Clinical Laboratory, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Yu Chen
- Department of Blood Transfusion, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Xiansong Fang
- Department of Blood Transfusion, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
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Wainberg Z, Matos I, Delord J, Cassier P, Gil-Martin M, Kim T, LoRusso P, Bahleda R, Italiano A, Mendus D, Hoang T, Xue C, Wen X, Carvalho O, Pham T, Patil N, Meng R, Bendell J, Cervantes A, Cho B. LBA-5 Phase Ib study of the anti-TIGIT antibody tiragolumab in combination with atezolizumab in patients with metastatic esophageal cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.06.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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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Zhang Z, Zhao Y, Tsoi L, Nair R, Stuart P, Wen X, Elder J. 183 Differential gene expression in psoriatic vs. normal T-cells is enhanced by CD3-CD28 activation. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.203] [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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Abstract
Background Aortic regurgitation is the most common cardiovascular damage in Chinese patients with Behçet’s disease (BD) and is usually associated with aortic disease. These patients are easily misdiagnosed, and their prognosis is poor, even after surgical treatment. This study aimed to analyse potential factors that can improve the prognosis of BD patients with aortic regurgitation and/or aortic involvement. Methods Twenty-two patients with diagnosed or suspected BD as well as aortic regurgitation and/or aortic involvement in our hospital from 2012 through 2017 were collected in this study. Their clinical characteristics were listed, and the diagnosis of BD was evaluated by two different criteria sets. The influences of surgical treatment and immunosuppressive therapy (IST) on their prognosis were also explored. Results The diagnostic positive rate of the International Criteria for Behçet’s Disease was higher than that of the International Study Group criteria (kappa value 0.31, p < 0.05), indicating that the diagnostic consistency between the criteria sets was poor. There was no significant difference in survival between patients who had undergone ≤ 1 operation and those with ≥ 2 operations. Aortic valve replacement alone or in combination with aortic root replacement had no significant effect on the incidence of reoperation or death, but IST did significantly reduce this incidence (p < 0.05). However, there was no significant difference in the occurrence of reoperation or death between preoperative and postoperative IST versus postoperative IST only. Conclusion IST significantly improved the prognosis of BD patients with aortic regurgitation and/or aortic involvement. Supplementary Information The online version of this article (10.1007/s12471-021-01567-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- X Li
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, Hunan, China.,Modern Cardiovascular Disease Clinical Technology Research Centre of Hunan Province, Changsha, Hunan, China.,Cardiovascular Disease Research Centre of Hunan Province, Changsha, Hunan, China
| | - X Wen
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - J Xu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, Hunan, China.,Modern Cardiovascular Disease Clinical Technology Research Centre of Hunan Province, Changsha, Hunan, China.,Cardiovascular Disease Research Centre of Hunan Province, Changsha, Hunan, China
| | - Q Lin
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, Hunan, China.,Modern Cardiovascular Disease Clinical Technology Research Centre of Hunan Province, Changsha, Hunan, China.,Cardiovascular Disease Research Centre of Hunan Province, Changsha, Hunan, China
| | - L Liu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, Hunan, China. .,Modern Cardiovascular Disease Clinical Technology Research Centre of Hunan Province, Changsha, Hunan, China. .,Cardiovascular Disease Research Centre of Hunan Province, Changsha, Hunan, China.
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Song W, Qian Y, Zhang MH, Wang H, Wen X, Yang XZ, Dai WJ. The long non-coding RNA DDX11-AS1 facilitates cell progression and oxaliplatin resistance via regulating miR-326/IRS1 axis in gastric cancer. Eur Rev Med Pharmacol Sci 2021; 24:3049-3061. [PMID: 32271422 DOI: 10.26355/eurrev_202003_20669] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The long non-coding RNA DDX11 antisense RNA 1 (DDX11-AS1) was found to be highly expressed in gastric cancer (GC). This study was to explore the role and molecular mechanism in oxaliplatin (OXA) resistance. PATIENTS AND METHODS The levels of DDX11-AS1, microRNA-326 (miR-326) and insulin receptor substrate 1 (IRS1) were measured by quantitative Real-time polymerase chain reaction (qRT-PCR). Cell proliferation, migration, invasion and apoptosis were examined by methylthiazolyldiphenyl-tetrazolium bromide (MTT), transwell and flow cytometry assays, respectively. Levels of all protein were detected using Western blot. The correlation between miR-326 and DDX11-AS1/IRS1 was confirmed by Dual-Luciferase reporter and RNA immunoprecipitation (RIP) assays. The xenograft model was constructed to explore the effect of DDX11-AS1 in vivo. RESULTS DDX11-AS1 was overexpressed in OXA-resistant GC tissues and cells, and DDX11-AS1 knockdown inhibited cell proliferation, migration, invasion and OXA resistance, and promoted apoptosis in OXA-resistant GC cells. Mechanically, DDX11-AS1 directly targeted miR-326 and miR-326 could bind to IRS1 in OXA-resistant GC cells. Functionally, silencing DDX11-AS1 repressed the progression and OXA resistance in OXA-resistant GC cells by down-modulating IRS1 expression via sponging miR-326 in vitro and in vivo. CONCLUSIONS DDX11-AS1 accelerated the progression and OXA chemoresistance of GC cells in vitro and in vivo by sponging miR-326, thus increasing the expression of IRS1, suggesting DDX11-AS1 might be a promising prognostic biomarker and therapeutic target in GC.
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Affiliation(s)
- W Song
- Department of Gastroenterology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China.
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Takahashi N, Tlemsani C, Pongor L, Rajapakse V, Tyagi M, Wen X, Fasaye G, Schmidt K, Kim C, Rajan A, Swift S, Sciuto L, Vilimas R, Webb S, Nichols S, Figg W, Pommier Y, Calzone K, Steinberg S, Wei J, Guha U, Turner C, Khan J, Thomas A. OA11.05 Whole Exome Sequencing Reveals the Potential Role of Hereditary Predisposition in Small Cell Lung Cancer, a Tobacco-Related Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhu Y, Mao Y, Ma T, Wen X. Effect of culture conditions on conidia production and enhancement of environmental stress resistance of Esteya vermicola in solid-state fermentation. J Appl Microbiol 2020; 131:404-412. [PMID: 33305527 DOI: 10.1111/jam.14964] [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: 08/24/2020] [Revised: 11/11/2020] [Accepted: 12/02/2020] [Indexed: 11/29/2022]
Abstract
AIMS Esteya vermicola is an endoparasitic fungus producing lunate conidia, which kill pine wood nematode (PWN), and PWN could cause pine wilt disease (PWD). The aims of this study were to increase production and confirm the resistance (temperature and UV irradiation) of lunate conidia, and further determine the effective concentrations of conidia infecting PWN. METHODS AND RESULTS In this study, rice was used as a carrier to absorb conidial suspension to propagate conidia. The optimal conditions for lunate conidia production were 25°C temperature, 9 days of culture time, 2 : 1 rice/distilled water ratio and 10% inoculum size. The germination rate of E. vermicola cultured on potato dextrose agar was influenced by UV irradiation, similar to growth on rice. Esteya vermicola cultured on rice under heat stress might be more suitable for application in the field. The concentration (1 × 108 conidia per ml) to kill PWN had the highest infectivity among the four conidia concentrations tested after 3 days of inoculation. CONCLUSIONS This study showed a rice substrate-supported high-quality conidia production and the optimal infectivity concentration of E. vermicola. SIGNIFICANCE AND IMPACT OF THE STUDY These results provide the necessary process of an economical and efficient biological control strategy against PWD.
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Affiliation(s)
- Y Zhu
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong Province, PR China
| | - Y Mao
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong Province, PR China
| | - T Ma
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong Province, PR China
| | - X Wen
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong Province, PR China
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Liu W, Sheng L, Nie L, Wen X, Mo X. Functional interaction between long non-coding RNA and microRNA in rheumatoid arthritis. J Clin Lab Anal 2020; 34:e23489. [PMID: 33319382 PMCID: PMC7755821 DOI: 10.1002/jcla.23489] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 03/10/2020] [Revised: 06/22/2020] [Accepted: 07/01/2020] [Indexed: 01/07/2023] Open
Abstract
MicroRNA (miRNA) has received widespread attention for its role in several key cellular processes such as cell differentiation, cell proliferation, apoptosis, and autoimmune diseases. Although we now have a good understanding of miRNA expression and function, our knowledge regarding the molecular mechanism of long non‐coding RNA (lncRNA) is still in its infancy. In this review, we will briefly introduce the definition and function of lncRNA and summarize the interactions between lncRNA and miRNA and their research progress in rheumatoid arthritis (RA). The expression of miR‐16, miR‐146a, miR‐155, and miR‐223 and the interactions between HOTAIR and miR138, ZFAS1 and miR‐27a, and GAPLINC and miR‐575 are representative examples that may augment the understanding of the pathogenesis of RA and help in the development of new biomarkers and target therapies.
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Affiliation(s)
- Weiwei Liu
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Li Sheng
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Lei Nie
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Xiaoyun Wen
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Xiaodan Mo
- Medical College of Northwest Minzu University, Lanzhou, China
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Huang AP, Zhang HZ, Cui L, Geng JQ, Wen X, Wang J, Song YL. [Analysis on clinical characteristics, diagnosis and treatment of 13 cases of infant hairy polyp]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2020; 55:850-854. [PMID: 32911888 DOI: 10.3760/cma.j.cn115330-20200212-00079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore and analyze the clinical characteristics, diagnosis and treatment of infant hairy polyp. Methods: A retrospective analysis was made on 13 cases of hairy polyp confirmed by pathology, who were admitted to the Children's Hospital of Hebei Province from January 2010 to September 2019, including 4 males and 9 females, with a male-female ratio of 1∶2.25. The age ranged from 3 hours to 1 year, and the median age was 1 month. Twelve of the 13 children were found to have difficulty breathing or feeding. All the children received coblation resection under general anesthesia. The root pedicle of the mass was found in the lateral nasopharyngeal wall in 8 cases, in the junction of palatine and palatopharyngeal arch of tonsil and the tongue and esophageal entrance in 1 case, respectively. Nasal septum was found in 2 cases, including 1 case located between two incisors. The wound at the root pedicle was ablated and the bleeding was stopped completely. Results: Postoperative follow-up lasted from 3 months to 2 years, and there was no recurrence in 12 cases. Fibrolaryngoscope showed a mass of the right eustachian tube and pharyngeal mouth in 1 case 2 years after the surgery, which was considered recurrence of hairy polyps and lost after that. Conclusion: Hairy polyps in infants is a rare clinical disease, and its main symptom is upper respiratory tract obstruction. Early diagnosis and radical surgery are the key to the treatment of the disease.
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Affiliation(s)
- A P Huang
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
| | - H Z Zhang
- Department of Otolaryngology, the Second Hospital of Hebei Medical University, Shijiazhuang 050005, China
| | - L Cui
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
| | - J Q Geng
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
| | - X Wen
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
| | - J Wang
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
| | - Y L Song
- Department of Otolaryngology, Children's Hospital of Hebei Province, Shijiazhuang 050030, China
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Yang J, Qiu Y, Hu S, Zhu C, Wang L, Wen X, Yang X, Jiang Z. Lactobacillus plantarum inhibited the inflammatory response induced by enterotoxigenic Escherichia coli K88 via modulating MAPK and NF-κB signalling in intestinal porcine epithelial cells. J Appl Microbiol 2020; 130:1684-1694. [PMID: 32870564 DOI: 10.1111/jam.14835] [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: 06/01/2020] [Revised: 07/28/2020] [Accepted: 08/21/2020] [Indexed: 12/22/2022]
Abstract
AIMS To investigate the effects of Lactobacillus plantarum on inflammatory responses induced by ETEC K88 and explore the underlying molecular mechanisms. METHODS AND RESULTS Intestinal porcine cells (IPEC-1) were incubated with 0 or 1 × 108 CFU per well L. plantarum for 4 h, and then these cells were challenged with 0 or 1 × 108 CFU per well ETEC K88 for 2 h. The results showed that pre-treatment of IPEC-1 cells with L. plantarum prevented the increases in the transcript abundance of interleukin-1α (IL-1α), interleukin-6 (IL-6), interleukin-8 (IL-8) and tumour necrosis factor-α (TNF-α) (P < 0·05) caused by ETEC K88. Additionally, L. plantarum inhibited the reduction in peroxisome proliferator-activated receptor-γ (PPAR-γ) expression caused by ETEC K88 (P < 0·05). Moreover, L. plantarum pre-treatment downregulated the phosphorylation levels of c-Jun N-terminal kinase (JNK), extracellular regulated protein kinases 1 and 2 (ERK1/2) and p38 and the nuclear concentration of nuclear factor kappa B p65 (NF-κB p65) (P < 0·05) compared with ETEC K88 group. Silencing experiment further supported that the protective effect of L. plantarum P might mediated by suppression of ETEC-provoked activation of MAPK and NF-κB signalling pathways. CONCLUSIONS Lactobacillus plantarum inhibited the inflammatory response induced by ETEC K88 in IPEC-1 cells via modulating MAPK and NF-κB signalling. SIGNIFICANCE AND IMPACT OF THE STUDY This study elucidated the underlying mechanism in which probiotics protect against intestinal inflammation caused by ETEC K88.
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Affiliation(s)
- J Yang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Y Qiu
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - S Hu
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - C Zhu
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - L Wang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - X Wen
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - X Yang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Z Jiang
- State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
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Mao L, Wen X, Y. xu, Si L, Zhang X, Fan Y, Guo J. 1109P Chinese subgroup results from an open-label, phase IIa study of dabrafenib plus trametinib in Asian patients with advanced BRAF V600-mutant melanoma (NCT02083354). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1232] [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: 11/28/2022] Open
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Wen X, Zhang X, Li D, Li J, Ding Y. 1114P A real-world study of vemurafenib plus anti-PD-1 antibody in Chinese patients with advanced BRAF V600-mutant melanoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1237] [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] Open
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Qin S, Bi F, Cui C, Zhu B, Wu J, Xin X, Wang J, Shan J, Chen J, Zheng Z, Xu L, Wen X, You Z, Ren Z, Wu X. 982P Comparison of donafenib and sorafenib as advanced hepatocellular carcinoma first-line treatments: Subgroup analysis of an open-label, randomized, parallel-controlled, multicentre phase II/III trial. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1098] [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] Open
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48
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Tang Y, Xing Y, Cui L, Wu C, Wen X, Song H, Wu L, Chang H, Song J, Wang Y, Zhao G. Neurology practice during the COVID-19 outbreak and post-pandemic era: experiences and challenges. Eur J Neurol 2020; 27:e81-e83. [PMID: 32779848 PMCID: PMC7404871 DOI: 10.1111/ene.14445] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/12/2020] [Indexed: 01/09/2023]
Affiliation(s)
- Y Tang
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - Y Xing
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - L Cui
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - C Wu
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - X Wen
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - H Song
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - L Wu
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - H Chang
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - J Song
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - Y Wang
- Department of Neurology, Xuanwu Hospital, National Clinical Research Center for Geriatric Diseases, Capital Medical University, Beijing, China
| | - G Zhao
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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Tsoi L, Zhang Z, Stuart P, Zhang Y, Patrick M, Zhang H, Wen X, Nair R, Elder J. 303 Allele specific accessibility analysis to decipher molecular mechanism of psoriasis-associated loci. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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50
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Tavares A, Wen X, Maciel J, Carneiro F, Dinis-Ribeiro M. Occult Tumour Cells in Lymph Nodes from Gastric Cancer Patients: Should Isolated Tumour Cells Also Be Considered? Ann Surg Oncol 2020; 27:4204-4215. [PMID: 32367500 DOI: 10.1245/s10434-020-08524-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Regional lymph node metastasis is an important prognostic factor for patients with gastric cancer. Occult tumour cells (OTCs), including either micrometastases (MMs) or isolated tumour cells (ITCs), may be a key factor in the development of cancer recurrence in pN0 patients. AIMS We aimed to determine the frequency and prognostic significance for disease recurrence of OTCs. MATERIALS AND METHODS This retrospective cohort study included all consecutive patients with pN0 gastric adenocarcinoma between January 2000 and December 2011 (n = 73). Immunohistochemistry using the pan-cytokeratin antibody AE1/AE3 was used to detect OTCs in 1257 isolated lymph nodes. RESULTS OTCs were identified in 30 patients (41%), including 20 cases with MMs (27%) and 10 cases with ITCs (14%). Disease recurrence and cancer-related death were observed in 24 (33%) and 20 patients (27%), respectively, and both were significantly associated with the detection of OTCs. A significant difference was also observed for the mean survival time between patients with OTCs and those without OTCs [100 vs 158 months (p = 0.015)]. The presence of OTCs was statistically significantly associated with the Lauren classification, tumour size and lymphatic permeation. Multivariate analyses revealed that only age, T stage and the presence of ITCs in lymph nodes were independent factors for recurrence. The presence of ITCs increased the risk for recurrence by 11.1-fold. CONCLUSIONS In a significant proportion of patients diagnosed as stage pN0, OTCs may be identified in lymph nodes if carefully searched for, which can negatively affect their prognosis. The presence of ITCs was found to be an independent factor for recurrence and after proper validation should be considered during lymph node assessment for prognosis definition.
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Affiliation(s)
- A Tavares
- Department of General Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Porto, Portugal. .,Faculty of Medicine, University of Porto, Porto, Portugal.
| | - X Wen
- Institute of Molecular Pathology and Immunology, University of Porto (Ipatimup), Porto, Portugal.,Institute for Research Innovation in Health (i3S), University of Porto, Porto, Portugal.,Department of Pathology, Centro Hospitalar Vila Nova de Gaia/Espinho, Porto, Portugal
| | - J Maciel
- Department of General Surgery, Centro Hospitalar de Vila Nova de Gaia/Espinho, Porto, Portugal.,Faculty of Health Sciences, Universidade Fernando Pessoa, Porto, Portugal
| | - F Carneiro
- Institute of Molecular Pathology and Immunology, University of Porto (Ipatimup), Porto, Portugal.,Institute for Research Innovation in Health (i3S), University of Porto, Porto, Portugal.,Department of Pathology, Centro Hospitalar Universitário São João (CHUSJ), Porto, Portugal.,Department of Pathology, Faculty of Medicine, University of Porto (FMUP), Porto, Portugal
| | - M Dinis-Ribeiro
- Department of Gastroenterology, Oncology Portuguese Institute of Porto, Porto, Portugal.,MEDCIDS/CINTESIS Faculty of Medicine, University of Porto, Porto, Portugal
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