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Lou Y, Wang Y, Li S, Yu F, Liu X, Cong Y, Li Z, Jin F, Zhang M, Yao Z, Wang J. Different responses of marine microalgae Phaeodactylum tricornutum upon exposures to WAF and CEWAF of crude oil: A case study coupled with stable isotopic signatures. J Hazard Mater 2024; 468:133833. [PMID: 38401215 DOI: 10.1016/j.jhazmat.2024.133833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 02/26/2024]
Abstract
Increasing use of chemical dispersants for oil spills highlights the need to understand their adverse effects on marine microalgae and nutrient assimilation because the toxic components of crude oil can be more bioavailable. We employed the crude oil water-accommodated fraction (WAF) and chemically enhanced WAF (CEWAF) to compare different responses in marine microalgae (Phaeodactylum tricornutum) coupled with stable isotopic signatures. The concentration and proportion of high-molecular-weight polycyclic aromatic hydrocarbons (HMW PAHs), which are key toxic components in crude oil, increased after dispersant addition. CEWAF exposure caused higher percent growth inhibition and a lower chlorophyll-a level of microalgae than those after WAF exposure. Compared with WAF exposure, CEWAF led to an enhancement in the self-defense mechanism of P. tricornutum, accompanied by an increased content of extracellular polymeric substances. 13C-depletion and carbon assimilation were altered in P. tricornutum, suggesting more HMW PAHs could be utilized as carbon sources by microalgae under CEWAF. CEWAF had no significant effects on the isotopic fractionation or assimilation of nitrogen in P. tricornutum. Our study unveiled the impact on the growth, physiological response, and nutrient assimilation of microalgae upon WAF and CEWAF exposures. Our data provide new insights into the ecological effects of dispersant applications for coastal oil spills.
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Affiliation(s)
- Yadi Lou
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China.
| | - Shiyue Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China; College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Fuwei Yu
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China; School of Chemical, Dalian University of Technology, Dalian 116024, China
| | - Xing Liu
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Fei Jin
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Mingxing Zhang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Ziwei Yao
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Juying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
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Yu F, Jin F, Cong Y, Lou Y, Li Z, Li R, Ding B, Wang Y, Chen J, Wang J. Bisphenol A decreases the developmental toxicity and histopathological alterations caused by polystyrene nanoplastics in developing marine medaka Oryzias melastigma. Chemosphere 2023:139174. [PMID: 37301517 DOI: 10.1016/j.chemosphere.2023.139174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/27/2023] [Accepted: 06/07/2023] [Indexed: 06/12/2023]
Abstract
Nanoplastics (NPs) are emerging pollutants posing risks to marine biota and human health due to their small size and high bioavailability. However, there are still knowledge gaps regarding effects of co-existing pollutants on NPs toxicity to marine organisms at their respective environmentally relevant concentrations. Herein we investigated developmental toxicity and histopathological alterations caused by co-exposure of polystyrene nanoplastics (PS-NPs) and bisphenol A (BPA) to marine medaka, Oryzias melastigma. Embryos at 6 h post-fertilization were exposed to 50-nm PS-NPs (55 μg/L) or BPA (100 μg/L) or co-exposed to a combination of both. Results showed that PS-NPs exhibited decreased embryonic heart rate, larval body length, and embryonic survival as well as larval deformities such as hemorrhaging and craniofacial abnormality. When co-exposed, BPA mitigated all the adverse developmental effects caused by PS-NPs. PS-NPs also led to an increase in histopathological condition index of liver with early inflammatory responses, while co-exposure of BPA with PS-NPs did not. Our data suggest that the toxicity reduction of PS-NPs in the presence of BPA might result from the decreased bioaccumulation of PS-NPs caused by the interaction between BPA and PS-NPs. This study unveiled the impact of BPA on the toxicity of nanoplastics in marine fish during early developmental stages and highlight the need of more research on the long-term effects of complex mixtures in the marine environment by applying omics approaches to better understand the toxicity mechanism.
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Affiliation(s)
- Fuwei Yu
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China; Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Fei Jin
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Yadi Lou
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Ruijing Li
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Baojun Ding
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China.
| | - Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China.
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Juying Wang
- Key Laboratory for Ecological Environment in Coastal Areas (Ministry of Ecology and Environment), Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
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Shen Y, Zhang M, Li Z, Cao S, Lou Y, Cong Y, Jin F, Wang Y. Long-Term Toxicity of 50-nm and 1-μm Surface-Charged Polystyrene Microbeads in the Brine Shrimp Artemia parthenogenetica and Role of Food Availability. Toxics 2023; 11:356. [PMID: 37112583 PMCID: PMC10145996 DOI: 10.3390/toxics11040356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/31/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
Micro and nanoplastics (MNPs) as emerging contaminants have become a global environmental issue due to their small size and high bioavailability. However, very little information is available regarding their impact on zooplankton, especially when food availability is a limiting factor. Therefore, the present study aims at evaluating the long-term effects of two different sizes (50 nm and 1 μm) of amnio-modified polystyrene (PS-NH2) particles on brine shrimp, Artemia parthenogenetica, by providing different levels of food (microalgae) supply. Larvae were exposed to three environmentally relevant concentrations (5.5, 55, and 550 μg/L) of MNPs over a 14-days of exposure with two food levels, high (3 × 105~1 × 107 cells/mL), and low (1 × 105 cells/mL) food conditions. When exposed to high food levels, the survival, growth, and development of A. parthenogenetica were not negatively affected at the studied exposure concentrations. By comparison, when exposed to a low food level, a U shape trend was observed for the three measured effects (survival rate, body length, and instar). Significant interactions between food level and exposure concentration were found for all three measured effects (three-way ANOVA, p < 0.05). The activities of additives extracted from 50 nm PS-NH2 suspensions were below toxic levels, while those from 1-μm PS-NH2 showed an impact on artemia growth and development. Our results demonstrate the long-term risks posed by MNPs when zooplankton have low levels of food intake.
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Affiliation(s)
- Yu Shen
- College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China;
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Mingxing Zhang
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Shuo Cao
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yadi Lou
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Fei Jin
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas, National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Marine Debris and Microplastic Research Center, Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian 116023, China
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Li S, Inampudi J, Koshiya H, Patel J, Wiest N, Pai T, Butts E, McKinley B, Wang J, de Camargo Correia GS, Mosalem O, Manochakian R, Zhao Y, Lou Y. 47P Timing of radiotherapy affects outcomes of patients with metastatic NSCLC who receive immunotherapy. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00301-5] [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: 04/04/2023]
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Li J, Chu R, Wang Z, Chen G, Shen Y, Lou Y, Li L, Sun C, Li K, Song L, Qin T, Li J, Yin Y, Chen Z, Liu P, Song K, Kong B. Analysis of the Safety and Pregnancy Outcomes of Fertility-sparing Surgery in Ovarian Malignant Sex Cord-stromal Tumours: A Multicentre Retrospective Study. Clin Oncol (R Coll Radiol) 2023; 35:e206-e214. [PMID: 36494251 DOI: 10.1016/j.clon.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 10/21/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022]
Abstract
AIMS To assess the difference in survival between fertility-sparing surgery (FSS) and radical surgery and explore pregnancy outcomes after FSS in stage I malignant sex cord-stromal tumours (MSCSTs). MATERIALS AND METHODS We carried out a multicentre retrospective cohort study on patients who were diagnosed with MSCSTs and the tumour was confined to one ovary. The patients were divided into FSS and radical surgery groups. Inverse probability of treatment weighting (IPTW) was used to balance variables between the two groups. Kaplan-Meier analysis was used to compare the difference in disease-free survival (DFS). Univariate and multivariate Cox regression analysis was used to find risk factors of DFS. Univariate logistic regression analysis was used to assess risk factors of pregnancy. RESULTS In total, 107 patients were included, of whom 54 (50.5%) women underwent FSS and 53 (49.5%) received radical surgery. After IPTW, a pseudo-population of 208 was determined and all of the covariates were well balanced. After a median follow-up time of 50 months (range 7-156 months), 10 patients experienced recurrence and two died. There was no significant difference in DFS between the two groups, both in unweighted (P = 0.969) or weighted cohorts (P = 0.792). In the weighted cohort, stage IC (P = 0.014), tumour diameter >8 cm (P = 0.003), incomplete staging surgery (P = 0.003) and no adjuvant chemotherapy (P < 0.001) were the four high-risk factors associated with a shorter DFS. Among 14 patients who had pregnancy desire, 11 (78.6%) women conceived successfully; the live birth rate was 76.9%. In univariate analysis, only adjuvant chemotherapy (P = 0.009) was associated with infertility. CONCLUSIONS On the premise of complete staging surgery, FSS is safe and feasible in early stage MSCSTs with satisfactory reproductive outcomes.
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Affiliation(s)
- J Li
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - R Chu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - Z Wang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - G Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Y Shen
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - Y Lou
- Department of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, PR China
| | - L Li
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China; Gynecology Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, PR China.
| | - C Sun
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - K Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - L Song
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China; Gynecology Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - T Qin
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - J Li
- Department of Gynecologic Oncology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - Y Yin
- Department of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, PR China
| | - Z Chen
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - P Liu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
| | - K Song
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China; Gynecology Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, PR China.
| | - B Kong
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China; Gynecology Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
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Li Y, Jiang H, Qian F, Cheng Y, Zhang Y, Lu J, Lou Y, Han B, Zhang W. 81P Is PD-1 inhibitor based treatment better than chemotherapy for metastatic NSCLC patients with PD-L1≥50% who develop EGFR-TKI resistance? A real-world investigation. Immuno-Oncology and Technology 2022. [DOI: 10.1016/j.iotech.2022.100185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Joe R, Matsumura Y, Siddiqui A, Foulks J, Beg M, Thompson J, Yamamoto N, Spira A, Sarantopoulos J, Melear J, Lou Y, Lebedinsky C, Li J, Watanabe A, Warner S. The AXL inhibitor, TP-0903, reverses EMT and shows activity in non-small cell lung cancer preclinical models. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)00954-6] [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: 11/03/2022]
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Rakshit S, Bansal R, Potter A, Manochakian R, Lou Y, Zhao Y, Ernani V, Savvides P, Schwecke A, Moffett N, Hocum C, Leventakos K, Adjei A, Marks R, Molina J, Mansfield A, Dimou A. MA13.09 Time from Immune Checkpoint Inhibitor to Sotorasib Use Correlates with Risk of Hepatotoxicity in Non-small Cell Lung Cancer. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Concepcion JR, Prodduturvar P, Gao R, Schwecke A, Potter A, Moffett J, Hocum C, Day C, Harmsen W, Dimou A, Mansfield A, Ernani V, Molina J, Adjei A, Marks R, Schild S, YU N, Savvides P, Garces Y, Merrell K, Routman D, Breen W, Olivier K, Sio T, Bush A, Hoppe B, Ko S, Amundson A, Majeed U, Lou Y, Butts E, Oliver T, Owen D, Leventakos K. EP05.01-011 Real World Outcomes of Durvalumab after Chemoradiotherapy in unresectable advanced Non-Small Cell Lung Cancer: The Mayo Clinic Experience. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.457] [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: 10/14/2022]
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Li S, Wang J, Manochakian R, Zhao Y, Lou Y. EP08.01-051 Clinical Characterization and Outcomes of Non Small Cell Lung Cancer with HER2 Alterations in the Era of Immunotherapy. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.623] [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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Lu J, Wu J, Lou Y, Wang H, Zhong H, Chu T, Han B. EP16.01-032 Guiding Monotherapy with Docetaxel or Atezolizumab via the Tumour Mutation Index in Non-small Cell Lung Cancer Patients. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.1031] [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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Kimbrough E, Dada H, Drusbosky L, Yang D, Marin-Acevedo J, Mooradian A, Zhao Y, Manochakian R, Lou Y. EP16.03-016 Targetable Alterations in Non-Small Cell Lung Cancer According to Age and Sex. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.1077] [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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Lou Y, Ma WJ, Wang ZJ, Yang N, Sun YJ, Liu YL, Lei RB, Zhao JX, Luo XF, Wang L, Chen YL, Han YL, Sun YX, Li YM, Cai J. [Writing protocols for the Chinese clinical practice guidelines of hypertension]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:671-675. [PMID: 35856223 DOI: 10.3760/cma.j.cn112148-20211126-01021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- Y Lou
- Hypertension Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing 100037, China
| | - W J Ma
- Hypertension Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing 100037, China
| | - Z J Wang
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - N Yang
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Y J Sun
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Y L Liu
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - R B Lei
- Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing 400014, China
| | - J X Zhao
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - X F Luo
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - L Wang
- Hypertension Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing 100037, China
| | - Y L Chen
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Y L Han
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110000, China
| | - Y X Sun
- Department of Cardiology, First Hospital of China Medical University, Shenyang 110000, China
| | - Y M Li
- Department of Cardiology, TEDA International Cardiovascular Hospital, Tianjin 300450, China
| | - J Cai
- Hypertension Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing 100037, China
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Liu HY, Li J, Huang DR, Feng K, Liu JH, He QN, Guo KY, Ding GY, Lou Y, Wang Y. [Early warning of low maternal unconjugated estriol level by prenatal screening for fetus with X-linked ichthyosis]. Zhonghua Fu Chan Ke Za Zhi 2022; 57:407-412. [PMID: 35775247 DOI: 10.3760/cma.j.cn112141-20220125-00043] [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: 06/15/2023]
Abstract
Objective: To analyze the characteristic of prenatal serological screening in fetus with X-linked ichthyosis (XLI), and to explore the relationship between unconjugated estriol (uE3) levels and XLI. Methods: A total of 56 fetuses with Xp22.31 microdeletion indicated by prenatal diagnosis and 70 fetuses diagnosed with trisomy 21 and 26 fetuses with trisomy 18 in Henan Provincial People's Hospital and Affiliated Hospital of Weifang Medical College from September 2016 to June 2021 were collected. The multiples of median (MoM) values of uE3, alpha-fetoprotein (AFP), and human chorionic gonadotropin (hCG) during the second trimester of pregnancy were retrospectively analyzed. Prenatal diagnosis was made by amniotic fluid karyotype analysis and genome copy number variant analysis, parent genetic verification and pathogenicity analysis were performed, and maternal and infant outcomes were followed up. Results: Of 56 pregnant women with fetal Xp22.31 microdeletion, 43 underwent serological screening during the second trimester of pregnancy, of which 42 were abnormal (39 male fetuses and 3 female fetuses). The median uE3 MoM value of 39 male fetuses [0.06 (0.00-0.21)] was lower than the normal value and significantly lower than that of fetuses with trisomy 21 [0.71 (0.26-1.27)] and fetuses with trisomy 18 [0.36 (0.15-0.84)], the difference was statistically significant (Z=99.96, P<0.001). While the MoM values of AFP and hCG were all within the normal range. Among the 56 fetuses carrying Xp22.31 microdeletion, 45 were male fetuses and 11 were female fetuses, and the deletion fragments all involved STS gene. Eighty-nine percent (50/56) were inherited from mother (49 cases) or father (1 case), and 11% (6/56) were de novo mutations. Follow-up showed 48 live births (38 males and 10 females) and 8 chose to terminate pregnancy (7 males and 1 female). Among the 38 male newborns, 37 presented with scaly skin changes from 1 to 3 months of age, and one had no clinical manifestations until 4 months after birth. Ten female newborns had no obvious clinical manifestations. Conclusions: The decrease levels of uE3 MoM on maternal serological screening is closely related to the higher risk of XLI in male fetuses. For pregnant women with low uE3 in serological screening or with family history of ichthyosis, in addition to chromosomal karyotype analysis, joint detection of genomic copy number variant analysis should be recommended.
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Affiliation(s)
- H Y Liu
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - J Li
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - D R Huang
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - K Feng
- Department of Medical Genetics and Prenatal Diagnosis, Affiliated Hospital of Weifang Medical University, Weifang 261000, China
| | - J H Liu
- Department of Obstetrics and Gynecology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Q N He
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - K Y Guo
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - G Y Ding
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Y Lou
- Department of Medical Genetics Center, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Yue Wang
- Department of Obstetrics and Gynecology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
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Yang CS, Lou Y, Ke QP, Xu XJ, Zhang Y. [Mechanism of circZNF609 targeting miR-153 to regulate the proliferation and apoptosis of diffuse large B-cell lymphoma]. Zhonghua Zhong Liu Za Zhi 2022; 44:238-245. [PMID: 35316873 DOI: 10.3760/cma.j.cn112152-20200723-00677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the molecular mechanism of circZNF609 targeting miR-153 to regulate the proliferation and apoptosis of diffuse large B-cell lymphoma. Methods: Fifty cases of lymphoma tissue from patients with diffuse large B-cell lymphoma who were diagnosed and treated in the First Affiliated Hospital of Zhengzhou University from July 2018 to December 2019 were collected. Thirty cases of normal lymph node tissues that were confirmed to be reactive hyperplasia by pathological diagnosis during the same period were selected as controls. Real time quantitative polymerase chain reaction (PCR) was used to detect the expression of circZNF609 in diffuse large B-cell lymphoma tissues and control hyperplasia lymph nodes. Diffuse large B-cell lymphoma OCI-LY19 cells were divided into control group (blank control), si-con group (transfected with siRNA control), si-ZNF609 group (transfected with circZNF609 siRNA), and si-ZNF609+ Anti-NC group (co-transfected with circZNF609 siRNA and inhibitor control) and si-ZNF609+ Anti-miR-153 group (co-transfected with circZNF609 siRNA and miR-153 inhibitor). Cell counting kit-8 (CCK-8) was used to detected proliferation, flow cytometry was used to detect cell cycle and apoptosis. Western blot was used to detect the protein expressions of C-caspase-3, cyclin D1, p21. The luciferase reporter system was used to identifie the relationship between circZNF609 and miR-153. Results: The expression level of circZNF609 in diffuse large B-cell lymphoma tissue was (1.44±0.22), higher than (0.37±0.14) in the control tissues (P<0.001). The cell survival rate of the si-ZNF609 group was (51.74±6.39)%, lower than (100.00±10.23)% of the control group and the (99.64±11.67)% of the si-con group (P<0.001). The proportion of cells in the G(0)/G(1) phase was (63.25±4.11)%, higher than (48.62±4.32)% of the control group and (47.12±3.20)% of the si-con group (P<0.001), the apoptosis rate was (13.36±1.42)%, higher than (3.65±0.47)% of the control group and (3.84±0.62)% of the si-con group (P<0.05). The expression levels of C-caspase-3 and p21 protein were (0.85±0.09) and (0.90±0.08), higher than (0.38±0.04) and (0.65±0.07) in the control group and (0.39±0.05) and (0.66±0.05) in the si-con group (P<0.001). The expression level of cyclin D1 protein was (0.40±0.03), lower than (0.52±0.06) of the control group and (0.53±0.04) of the si-con group (all P<0.001). CircZNF609 and miR-153 are mutually targeted. The cell survival rate of the si-ZNF609+ Anti-miR-153 group was (169.92±13.25)%, higher than (100.00±9.68)% of the si-ZNF609+ Anti-NC group (P<0.001), the ratio of cells in G(0)/G(1) phase and apoptosis rate were (52.01±3.62)% and (8.20±0.87)%, respectively, lower than (64.51±5.17)% and (14.03±1.17)% in the si-ZNF609+ Anti-NC group (P<0.001). The protein expression levels of C-caspase-3 and p21 were (0.42±0.06) and (0.52±0.06), lower than (0.80±0.07) and (0.92±0.10) of the si-ZNF609+ Anti-NC group (P<0.001). The protein expression level of cyclin D1 was (0.68±0.07), higher than (0.39±0.04) in the si-ZNF609+ Anti-NC group (P<0.001). Conclusion: Down-regulation of circZNF609 inhibits the proliferation of diffuse large B-cell lymphoma OCI-LY19 cells and induces apoptosis by targeting miR-153.
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Affiliation(s)
- C S Yang
- Department of Pediatrics, Xinxiang Central Hospital, Xinxiang 453000, China
| | - Y Lou
- Department of Pediatrics, Xinxiang Central Hospital, Xinxiang 453000, China
| | - Q P Ke
- Department of Pediatrics, Xinxiang Central Hospital, Xinxiang 453000, China
| | - X J Xu
- Department of Pediatrics, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Y Zhang
- Department of Pediatrics, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
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Yan WW, Li GH, Zhao JJ, Jia YM, Lou Y, Gan XY. [Mechanism of paeoniflorin inhibiting apoptosis of hippocampal neurons of rats induced by lead acetate]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:170-176. [PMID: 35439856 DOI: 10.3760/cma.j.cn121094-20210119-00038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the effect and underlying mechanism of paeoniflorin on hippocampal neuron apoptosis induced by lead acetate. Methods: In September 2020, primary hippocampal neuronal cells were isolated and cultured from fetal rats, and identified using cellular immunofluorescent. MTT assay was used to measure the cell viability to determine the concentration and time of lead acetate-induced hippocampal neuron apoptosis. MTT was also used to evaluate the effect of paeoniflorin concentration on the apoptosis of hippocampal neurons induced by lead acetate. According to the results, different concentrations of paeoniflorin were selected to intervene hippocampal neuron cells, after 24 h, lead acetate was added to the cells, meanwhile, blank and model groups were set up, the content of reactive oxygen species (ROS) , superoxide dismutase (SOD) , lactate dehydrogenase (LDH) , malondialdehyde (MDA) and Caspase-3 were measured. Extracellular signal regulated kinase (ERK) , phosphorylated ERK (p-ERK) , p38 mitogen -activated protein kinases (p38MAPK) , phosphorylated p38MAPK (p-p38MAPK) , c-Jun N-terminal kinase (JNK) and phosphorylated JNK (p-JNK) protein expression in hippocampal neuronal cells were determined by Western blotting. Results: The isolated and cultured hippocampal neurons were identified by immunofluorescence chemical staining and then treated with lead acetate, MTT results showed that lead acetate had the best toxicity effect when treated for 24 h at a concentration of 25 μmol/L. Paeoniflorin showed no cytotoxic effect on hippocampal neuronal cells when the concentrations below 80 μmol/L. Compared with the model group, the activity of hippocampal neuronal cells was significantly increased after treating with 20, 40 or 80 μmol/L paeoniflorin (P<0.05) . Compared with the blank group, the ROS activity, LDH release level, MDA content and caspase-3 content were significantly increased (P<0.01) , and the SOD activity was significantly decreased (P< 0.01) in the hippocampal neuronal cells of the model group. Compared with the model group, the ROS activity, LDH release level, MDA content and caspase-3 content were obviously decreased (P<0.05) , SOD activity was significantly increased (P <0.01) after hippocampal neuronal cells were treated with 40 or 80 μmol/L paeoniflorin. Relative to the model group, the ratio of p-ERK/ERK were significantly up-regulated (P<0.01) , while the ratios of p-p38MAPK/p38MAPK and p-JNK/JNK were significantly down-regulated after hippocampal neuronal cells were treated with 40 or 80 μmol/L paeoniflorin (P<0.05) . Conclusion: Paeoniflorin may down-regulate the expression of p-p38MAPK and p-JNK protein, up-regulate the expression of p-ERK protein, and inhibit the apoptosis of hippocampal neurons induced by lead acetate through the MAPK signaling pathway.
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Affiliation(s)
- W W Yan
- Department of Occupational Medicine, Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - G H Li
- Department of Occupational Medicine, Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - J J Zhao
- Department of Radiology, Hangzhou Hospital for the Prevention of Occupational Disease, Hangzhou 310003, China
| | - Y M Jia
- Department of Occupational Medicine, Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - Y Lou
- Department of Occupational Medicine, Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - X Y Gan
- Department of Occupational Medicine, Hangzhou Red Cross Hospital, Hangzhou 310003, China
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Ganapathy V, Bailey E, Mortimer K, Lou Y, Yuan J, Mulder K, Topuria I, Cerf S, Elder K, Booth J, Bruinsma B, Globe D. 56: Real-world clinical effectiveness of elexacaftor/tezacaftor/ivacaftor and ivacaftor in people with CF: Interim results from the HELIO study. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01481-8] [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: 10/20/2022]
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Xiong A, Li C, Xu J, Yang X, Nie W, Zhong H, Chu T, Zhang W, Zhong R, Pan F, Shen Y, Lou Y, Zhang B, Han B, Zhang X. FP12.06 Solid Subtype Predicts Early Bone Metastases in Sensitive EGFR-Mutated Lung Adenocarcinoma Patients After Surgery. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.246] [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: 10/20/2022]
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Seegobin K, Majeed U, Zhou K, Shi H, Lou Y, Zhao Y, Manochakian R. P40.18 Second Line Immunotherapy After Progression on a Different First Line Immunotherapy in Advanced Non-Small Cell Lung Cancer With Focus On Elderly. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.455] [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: 11/27/2022]
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Majeed U, Zhou K, Heng F, Seegobin K, Zhao Y, Manochakian R, Lou Y. P13.01 Use of Antibiotics Is Associated With an Increase in Immunotherapy Related Adverse Effects in Patients With Non-Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.330] [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: 10/20/2022]
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Shi H, Seegobin K, Heng F, Zhou K, Zhao Y, Manochakian R, Lou Y. FP16.02 Genomic Characterization of Primary versus Metastatic Lung Adenocarcinoma. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.258] [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]
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Levy B, Leventakos K, Lou Y, Savvides P, Rixe O, Tolcher A, Yin J, Xie J, Guevara F, Goto Y. P47.04 TROPION-Lung02: Datopotamab Deruxtecan (Dato-DXd) Plus Pembrolizumab and Platinum-Based Chemotherapy in Advanced NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.497] [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]
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Vigneswaran N, Wu J, Shah R, Holland J, Narendran S, Williams M, Lou Y. ROLES OF PROGRAMMED DEATH LIGAND-1 (PDL-1) AND ANTIGEN-PRESENTING NATURAL KILLER (AP-NK) CELLS IN PROMOTING IMMUNOSUPPRESSIVE TUMOR MICROENVIRONMENT (TME) IN ORAL CANCER (OC). Oral Surg Oral Med Oral Pathol Oral Radiol 2021. [DOI: 10.1016/j.oooo.2021.03.177] [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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Ferrada M, Sikora K, Lou Y, Wells K, Patel B, Ospina Cardona D, Rose E, Goodspeed W, Hoffman P, Jones A, Wilson L, Young N, Savic S, Kastner D, Ombrello A, Beck D, Grayson P. OP0090 CLASSIFICATION OF PATIENTS WITH RELAPSING POLYCHONDRITIS BASED ON SOMATIC MUTATIONS IN UBA1. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Somatic mutations in ubiquitin activating enzyme 1 (UBA1) cause a newly defined syndrome known as VEXAS. [1] More than fifty percent of patients currently identified with VEXAS meet diagnostic criteria for relapsing polychondritis (RP).Objectives:To determine the prevalence VEXAS within a cohort of patients with RP, to compare their clinical, laboratory, and immunologic features and to develop a clinical algorithm to inform genetic screening for VEXAS among patients with RP.Methods:Exome and targeted sequencing of the UBA1 gene was performed in a prospective observational cohort of patients with RP. Clinical and immunological characteristics of patients with RP were compared based on presence or absence of UBA1 mutations. Random forest was used to derive a clinical algorithm to identify patients with UBA1 mutations. Immune populations were quantified by multipanel flow cytometry. Categorical and continuous variables were compared using the chi square or Kruskal-Wallis test. P<0.05 defined statistical significance.Results:Seven of 92 patients with RP (7.6%) were confirmed to have UBA1 mutations (VEXAS-RP). Six additional patients with VEXAS-RP from other cohorts were included for subsequent analyses. Patients with VEXAS-RP were all male, older at disease onset, and commonly had fever, ear chondritis, skin involvement, deep vein thrombosis, and pulmonary infiltrates. Patients with RP as compared with VEXAS-RP had a significantly higher prevalence of airway chondritis, costochondritis and tenosynovitis/arthralgias. (Table). Mortality was significantly greater in VEXAS-RP than RP (27% vs 2% p=0.01). Maximum ESR, CRP, and mean corpuscular volume (MCV) values were significantly greater in VEXAS-RP. Absolute monocyte, lymphocyte, and platelet counts were significantly lower in VEXAS-RP. A decision tree based on male sex, MCV>100 fl and Platelet count<200 K/ul classified between VEXAS-RP and RP with 100% sensitivity and 96% specificity.Table 1.Clinical Characteristics of patients with RP vs VEXAS-RPAll Patientsn=98RPn=85VEXAS-RPn=13p valueDemographic CharacteristicsRace, White n (%)90 (92)77 (91)13 (100)0.59Sex, Male n (%)26 (27)13 (15)13 (100)<0.0001Age, Symptom onset, years, Median (IQR)38 (30-47)37 (28-43)56 (54-64)<0.0001Clinical SymptomsFever n (%)33 (34)20 (24)13 (100)<0.0001Ear chondritis n (%)61 (62)48 (56)13 (100)0.0015Nose chondritis n (%)83 (85)71 (84)12 (92)0.68Airway chondritis n (%)37 (38)37 (44)0 (0)0.0015Tenosynovitis/arthalgias n (%)83 (85)77 (91)6 (46)0.0005Skin involvement n (%)33 (34)22 (2611 (85)<0.0001Laboratory ValuesESR, mm/hr, median (IQR)12 (6-22)11 (5-19)66.5 (42-110)<0.0001CRP, mg/L, median (IQR)2.9 (0.8-9.6)1.9 (0.6-6.3)17.7 (9.6-99.5)<0.0001Platelet count (k/uL)246(201-299)258 (227-312)145 (100-169)<0.0001MCV fL93.05 (90-98)92.2 (89-95)105 (102-115)<0.0001Absolute lymphocyte count1.6 (1.1-2.3)1.78(1.4-2.4)0.92 (0.5-1.2)<0.0001CT scan abnormalitiesPulmonary infiltrates n (%)16 (16.33)6 (7.06)10 (77)<0.0001ComplicationsDeath n (%)6 (6)3 (4)3 (23)0.029Unprovoked DVT12 (12)4 (5)8 (62)<0.0001N number; IQR = interquartile rangeConclusion:Mutations in UBA1 are causal for disease in a subset of patients with RP. These patients are defined by disease onset in the fifth decade of life or later, male sex, ear/nose chondritis and hematologic abnormalities. Early identification is important in VEXAS given the associated high mortality rate.References:[1]Beck DB, Ferrada MA, Sikora KA, Ombrello AK, Collins JC, Pei W, Balanda N, Ross DL, Ospina Cardona D, Wu Z et al: Somatic Mutations in UBA1 and Severe Adult-Onset Autoinflammatory Disease. N Engl J Med 2020, 383(27):2628-2638.Disclosure of Interests:None declared
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Butts E, Gococo-Benore D, Pai T, Moustafa MA, Heng F, Chen R, Manochakian R, Lou Y. P08.05 Risk Factors Associated with Recurrence Following Curative Therapy for Stage I NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.424] [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: 11/15/2022]
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Shi H, Heng F, Zhou K, Rami M, Zhao Y, Lou Y. P89.02 The Effect of Racial Diversity on the Landscape of Targetable Genomic Alterations in Patients with Lung Adenocarcinomas. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Liu Y, Liu Y, Jiao D, Lu C, Lou Y, Li N, Wang G, Wang H. Synthesis and release of fatty acids under the interaction of Ulva pertusa and Heterosigma akashiwo by stable isotope analysis. Ecotoxicol Environ Saf 2021; 210:111852. [PMID: 33418155 DOI: 10.1016/j.ecoenv.2020.111852] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 06/12/2023]
Abstract
Symbiosis of marine algae is inevitable in the marine environment, and species may occur interaction on the growth. In this study, the macroalgae Ulva pertusa and marine microalgae Heterosigma akashiwo were selected as target species to study the interaction mechanism between them. After the 8 days of co-cultivation, the inhibition on growth was observed for both of U. pertusa and H. akashiwo. Eight fatty acids in U. pertusa was detected, with the significant decrease in contents of polyunsaturated fatty acids (PUFAs) especially for C18:2, C18:3n-3 and C18:3n-6. Twelve fatty acids in H. akashiwo was detected, with the significant change for PUFAs. PUFA concentrations in the co-culture group were less than those in the mono-culture. Meanwhile the principal component analysis was conducted to insight into the interaction between U. pertusa and H. akashiwo by fatty acids content and carbon stable isotope ratio of fatty acids (δ13CFAs). Fatty acid content could not distinguish mono and co-culture. However, δ13CFAs could distinguish not only the culture time of algae, but also the living environment of algae. In addition, this study combined fatty acids content and δ13CFAs to explore the release of fatty acids by algae into the seawater. The C18:3n-3 was identified as the allelochemical released by U. pertusa to inhibit the growth of H. akashiwo. The ratio of δ13CFAs in seawater decreased. This study provides a theoretical basis for the symbiosis of marine algae, and a new method of compound-specific stable carbon isotopes was used to better explore the metabolism of fatty acids in algae.
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Affiliation(s)
- Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China; Environmental Information Institute, Dalian Maritime University, Dalian 116026, China.
| | - Dian Jiao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Chao Lu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China.
| | - Haixia Wang
- Navigation College, Dalian Maritime University, Dalian 116026, China
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Han B, Zhang W, Zhang B, Chen Y, Zhang Y, Lou Y, Dong Y, Qian F, Zhou W, Yang Z. P48.09 Anlotinib Plus Etoposide and Carboplatin as First-Line Treatment for Extensive-Stage Small Cell Lung Cancer: A Single Arm Phase II Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.879] [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: 10/21/2022]
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Han B, Zhang W, Shi C, Chu T, Zhong H, Zhang Y, Lou Y, Dong Y, Qian F, Zhou W, Chen Y, Yang Z. P15.07 Safety and Efficacy Profile of TQB-2450 Alone/with Anlotinib in Previously-Treated Advanced NSCLC: A Phase IB Single-Arm Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.544] [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: 11/28/2022]
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Liu Y, Gu Y, Lou Y, Wang G. Response mechanisms of domoic acid in Pseudo-nitzschia multiseries under copper stress. Environ Pollut 2021; 272:115578. [PMID: 33218768 DOI: 10.1016/j.envpol.2020.115578] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 08/06/2020] [Accepted: 08/28/2020] [Indexed: 06/11/2023]
Abstract
A complex relationship exists between copper stress and the accumulation and release of domoic acid (DA) in toxin-producing Pseudo-nitzschia cells. To clarify the changes and role of DA in this process, we exposed the toxin-producing P. multiseries and the non-toxin-producing P. pungens to copper stress (5 and 9 μM) for 96 h. Results showed that P. multiseries grew better than P. pungens under the two aforementioned copper concentrations. DA content in the cells of P. multiseries increased with increased copper stress, and the dissolved DA in the medium under the 9 μM copper treatment increased. DA addition at a 9 μM copper concentration reduced the copper content in P. multiseries cells and cell walls, but did not change the free copper ion content in culture medium. Adding DA to the medium reduced the malondialdehyde (MDA) content in the cells of P. multiseries under copper stress, DA addition also reduced the activities of catalase (CAT) and superoxide dismutase (SOD) at 5 μM Cu, and the activity of peroxidase (POD) at 9 μM Cu. This suggests that DA may not alleviate copper stress by improving the antioxidant defense system of algal cells, nor can it be complexed with copper ions in the medium to alleviate copper stress. Furthermore, the reactive oxygen species (ROS) scavenger N-tert-butyl-α-phenylnitrone (BPN) was used to study the DA accumulated in cells. The BPN addition significantly reduced the accumulation of DA in the cells under copper stress, suggesting that DA content in cells was closely related to ROS. Moreover, further experiments demonstrated that DA addition can improve the growth of P. multiseries under hydrogen peroxide stress. Our results indicate that DA alleviates P. multiseries oxidative damage when expose to copper stress.
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Affiliation(s)
- Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China; Environmental Information Institute, Dalian Maritime University, Dalian, China
| | - Yu Gu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China.
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
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Li N, Liu Y, Liang Z, Lou Y, Liu Y, Zhao X, Wang G. Influence of fuel oil on Platymonas helgolandica: An acute toxicity evaluation to amino acids. Environ Pollut 2021; 271:116226. [PMID: 33360349 DOI: 10.1016/j.envpol.2020.116226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/16/2020] [Accepted: 12/03/2020] [Indexed: 06/12/2023]
Abstract
It is highly likely that the toxicity of water accommodated fractions (WAF) will influence marine microalgae, and consequently lead to potential risk for the marine ecological environment. However, it was often neglected whether WAF can influence the transformation of relative compounds in organisms. The metabolism of amino acids (AAs) can be used to track physiological changes in microalgae because amino acids are the basis of proteins and enzymes. In this study, using marine Chlorophyta Platymonas helgolandica as the test organism, the effects of different concentrations of WAF on AA compositions and stable carbon isotope ratios (δ13C) of individual AAs of Platymonas helgolandica were investigated. The results showed that the WAF of #180 fuel oil had an obvious suppressing effect on the growth and chlorophyll a content of microalgae. The growth inhibitory rate at 96 h was 80.66% at a WAF concentration of 0.50 mg L-1 compared with the control. Furthermore, seven among the 16 AAs, including alanine, cysteine, proline, aspartic acid, lysine, histidine and tyrosine, had relatively high abundance. Under the glycolysis pathway, the cysteine abundance was higher than control, meaning that the biosynthesized pathway of alanine through cysteine as a precursor could be damaged. Phosphoenolpyruvate (PEP) was an important synthesis precursor of alanine (leucine) and aromatic AA family (Phenylalanine and tyrosine), and played an important role in δ13CAAs fractionation under the WAF stress. Under the TCA pathway, to protect cell metabolism activities under WAF stress, the δ13C value of threonine and proline abundance in microalgae with the increase in WAF stress. Therefore, δ13CAAs fractionation can be used as a novel method for toxicity evaluation of WAF on future.
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Affiliation(s)
- Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China; Environmental Information Institute, Dalian Maritime University, Dalian, China.
| | - Zhengyu Liang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Xinda Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
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Wang G, Liu Y, Jiang N, Liu Y, Zhao X, Tao W, Lou Y, Li N, Wang H. Field study on bioaccumulation and translocation of polybrominated diphenyl ethers in the sediment-plant system of a national nature reserve, North China. Chemosphere 2020; 261:127740. [PMID: 32731024 DOI: 10.1016/j.chemosphere.2020.127740] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) are the ubiquitous contaminants in the coastal wetlands, with high persistence and toxicity. Environmental behaviors of PBDEs in sediment-plant system is a hot research area, where much uncertainties still occurred in field environment. In this study, the sediments and Suaeda heteroptera were synchronously collected to investigate the bioaccumulation and translocation of PBDEs in Liaohe coastal wetland. Mean concentrations of PBDEs in sediments, roots, stems and leaves were 8.37, 6.64, 2.42 and 1.40 ng/g d.w., respectively. Tissue-specific accumulation of PBDEs were detected in Suaeda heteroptera, with predominant accumulation in roots. Congener patterns of PBDEs were similar between sediments and roots, demonstrating root uptake as the key pathway of PBDE bioaccumulation. The proportions of lower brominated congeners increased from roots to leaves, implying the congener-specific translocation. Meanwhile, the lower brominated congeners exhibited higher sediment-tissue bioaccumulation (AFs) and translocation factors (TFs) compared to higher brominated congeners in Suaeda heteroptera, further verifying their preferential translocation. AFs and TFs of PBDEs were both not correlated with their log Kow, which was inconsistent with those of laboratory studies, reflecting the complicated behaviors of PBDEs in field environment. This is the first comprehensive report on bioaccumulation and translocation of PBDEs within Suaeda heteroptera in Liaohe coastal wetland.
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Affiliation(s)
- Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China; Environmental Information Institute, Dalian Maritime University, Dalian, 116026, China.
| | - Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China; Environmental Information Institute, Dalian Maritime University, Dalian, 116026, China
| | - Na Jiang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Xinda Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Wei Tao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Haixia Wang
- Navigation College, Dalian Maritime University, Dalian, 116026, China
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Ma WJ, Lou Y, Bian J, Cai J, Zhang HM, Zhou XL. [Application of aldosterone/direct renin ratio before drug washout in the screening of primary aldosteronism]. Zhonghua Yi Xue Za Zhi 2020; 100:3250-3254. [PMID: 33167113 DOI: 10.3760/cma.j.cn112137-20200507-01459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Objective: To explore the cut-off point of aldosterone/direct renin ratio (ADRR) before drug washout in the screening for primary aldosteronism (PA) in the Chinese population and reduce the potential risk caused by drug washout during PA screening. Methods: Hospitalized hypertensive patients in the Hypertension Ward of Fuwai Hospital, Chinese Academy of Medical Sciences from January 2017 to October 2019 were enrolled. PA was diagnosed according to the criterion of 2016 American Guideline and 2016 Chinese Consensus for PA. The plasma aldosterone concentration (PAC), direct renin concentration (DRC) and ADRR before and after drug washout were measured. The receiver operating characteristic (ROC) curve of ADRR was drawn and the maximal Youden index was used to determine the best cut-off value. Results: A total of 542 hypertensive patients were included, with 467 patients diagnosed with essential hypertension (EHT) (297 males and 170 females), and 75 patients diagnosed with PA (51 males and 24 females). Patients with PA had higher PAC and ADRR before and after drug washout than those with EHT(150.0 (130.0, 210.0) vs 120.0 (80.0, 170.0) ng/L, 170.0 (120.0, 260.0) vs 130.0 (90.0, 180.0) ng/L; 28.9 (15.9, 63.5) vs 4.3 (1.9, 11.8) (ng/L) / (mU/L) , 55.6 (39.0, 109.0) vs 9.8 (4.5, 21.3) (ng/L) /(mU/L), all P<0.001). However, DRC of PA patients before and after washout were lower than those with EHT (4.0 (2.0, 10.0) vs 27.0 (10.0, 64.0) mU/L, 3.0 (2.0, 4.0) vs 12.2 (5.0, 27.0) mU/L, P<0.001). In EHT and PA groups, PAC and ADRR significantly increased (P=0.001, P<0.001) , but DRC significantly decreased after drug washout (all P<0.001) . The area under the ROC curve of ADRR before drug washout was 0.868 (95%CI 0.836-0.895) with the best cut-off value of 7.8 (ng/L) / (mU/L) for the screening of PA .The sensitivity and specificity was 94.7% and 66.8%, respectively, with the maximal Youden index of 0.615. Conclusion: ADRR before drug washout > 7.8 (ng/L) / (mU/L) can be used as an alternative cut-off point to screen PA when drug washout is not available.
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Affiliation(s)
- W J Ma
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
| | - Y Lou
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
| | - J Bian
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
| | - J Cai
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
| | - H M Zhang
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
| | - X L Zhou
- Hypertension Center of Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences,Peking Union Medical College,Beijing 100037, China
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Zhang X, Feng T, Zhou X, Sullivan PM, Hu F, Lou Y, Yu J, Feng J, Liu H, Chen Y. Inactivation of TMEM106A promotes lipopolysaccharide-induced inflammation via the MAPK and NF-κB signaling pathways in macrophages. Clin Exp Immunol 2020; 203:125-136. [PMID: 33006758 DOI: 10.1111/cei.13528] [Citation(s) in RCA: 8] [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: 02/13/2020] [Revised: 08/30/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
Pattern recognition receptors, such as Toll-like receptors (TLRs), play an important role in the host defense against invading microbial pathogens. Their activation must be precisely regulated, as inappropriate activation or overactivation of TLR signaling pathways may result in inflammatory disorders, such as septic shock or autoimmune diseases. TMEM106A is a type II transmembrane protein constitutively expressed in macrophages. Our current study demonstrated that TMEM106A levels were increased in macrophages upon lipopolysaccharide (LPS) stimulation, as well as in the peripheral monocytes of patients with sepsis. Tmem106a knockout mice were more sensitive to lipopolysaccharide (LPS)-induced septic shock than wild-type mice. Further experiments indicated that Tmem106a ablation enhanced the expression of CD80, CD86 and major histocompatibility complex (MHC)-II in mouse macrophages upon LPS stimulation, accompanied with up-regulation of tumor necrosis factor (TNF)-α, interleukin (IL)-6, interferon (IFN)-β and inducible nitric oxide synthase (iNOS), indicating the activation of macrophages and polarization towards the M1 inflammatory phenotype. Moreover, elevated mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) signaling were found to be involved in the LPS-induced inflammatory response in Tmem106a-/- macrophages. However, this effect was largely abrogated by macrophage deletion in Tmem106a-/- mice. Therefore, deficiency of Tmem106a in macrophages may enhance the M1 polarization in mice, resulting in inflammation. This suggests that TMEM106A plays an important regulatory role in maintaining macrophage homeostasis.
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Affiliation(s)
- X Zhang
- Department of Immunology, Peking University School of Basic Medical Sciences, Beijing, China.,NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China.,Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery, MOE Key Laboratory of Major Diseases in Children, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health (NCCH), Beijing, China
| | - T Feng
- Weill Institute for Cell and Molecular Biology, Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - X Zhou
- Weill Institute for Cell and Molecular Biology, Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - P M Sullivan
- Weill Institute for Cell and Molecular Biology, Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - F Hu
- Weill Institute for Cell and Molecular Biology, Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - Y Lou
- Medical and Healthy Analytical Center, Peking University, Beijing, China
| | - J Yu
- Department of Immunology, Peking University School of Basic Medical Sciences, Beijing, China.,NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
| | - J Feng
- Department of Immunology, Peking University School of Basic Medical Sciences, Beijing, China.,NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
| | - H Liu
- Department of Geriatrics, Peking University Third Hospital, Beijing, China
| | - Y Chen
- Department of Immunology, Peking University School of Basic Medical Sciences, Beijing, China.,NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China.,Center for Human Disease Genomics, Peking University, Beijing, China
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Adjei A, Beg M, Melear J, Thompson J, Tsai FC, Baranda J, Bastos B, Spira A, Lou Y, Seetharam M, Uemura M, Camidge D, Yamamoto N, Cowey C, Doi T, Anthony S, Janat-Amsbury M, Wade M, Bearss D, Sarantopoulos J. 536MO A phase I, first-in-human, safety, pharmacokinetic, and pharmacodynamic study of oral dubermatinib (TP-0903) in patients with advanced solid tumours. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.650] [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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36
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Lou Y, Xu J, Zhang Y, Zhang W, Zhang X, Gu P, Wang H, Zhong H, Lu J, Han B. 1997P The Akt kinase LANCL2 functions as a key driver in EGFR-mutant lung adenocarcinoma tumorigenesis. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1303] [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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37
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Liu Y, Li N, Lou Y, Liu Y, Zhao X, Wang G. Effect of water accommodated fractions of fuel oil on fixed carbon and nitrogen by microalgae: Implication by stable isotope analysis. Ecotoxicol Environ Saf 2020; 195:110488. [PMID: 32200143 DOI: 10.1016/j.ecoenv.2020.110488] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 03/14/2020] [Accepted: 03/15/2020] [Indexed: 06/10/2023]
Abstract
Effect of water accommodated fractions (WAF) of #180 fuel oil on fixed carbon and nitrogen in microalgae was studied by stable isotopes. Platymonas helgolandica, Heterosigma akashiwo and Nitzschia closterium were exposed to five WAF concentrations for 96 h. The δ13C value of microalgae was significantly lower than that of the control group, indicated that carbon was limited in the WAF concentrations. The δ13C value of microalgae appeared peak valley at 48 h in control group, corresponding to the enhanced capacity in carbon fixation during microalgae photosynthesis. The physiological acclimation capacity of microalgae was revealed by the occurrence time when the δ13C value was in peak valley, and thus the physiological acclimation capacity of microalgae decreased in the order of Nitzschia closterium > Heterosigma akashiwo > Platymonas helgolandica. Principal component analysis (PCA) were applied to the δ13C value in order to verify the "hormesis" phenomenon in microalgae. The δ13C value could discriminate between stimulatory effects at low doses and inhibitory effects at high doses. In addition, the present study also investigated the effect of the nitrogen on microalgae growth. Because microalgae could still absorb the NO3-N and release of NO2-N and NH4-N in present study, the nitrogen cycle in microalgae was in the equilibrium status. The δ15N value in microalgae exhibited no obvious change with the increasing of WAF concentrations at the same time. However, due to the enrichment of nitrogen, the δ15N value first increased gradually with the time and finally was stable. Overall, the fractionation of carbon and nitrogen stable isotopes illustrated that the effect of carbon on the growth of microalgae was more prominent than nitrogen. Stable isotopes was used to investigate the influence of WAF on fixed carbon and nitrogen in microalgae growth, providing a fundamental theoretical guidance for risk assessment of marine ecological environment.
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Affiliation(s)
- Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China; Environmental Information Institute, Dalian Maritime University, Dalian, China.
| | - Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Xinda Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China.
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Wang G, Liu Y, Tao W, Zhao X, Wang H, Lou Y, Li N, Liu Y. Assessing microbial degradation degree and bioavailability of BDE-153 in natural wetland soils: Implication by compound-specific stable isotope analysis. Environ Pollut 2020; 260:114014. [PMID: 32000026 DOI: 10.1016/j.envpol.2020.114014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/28/2019] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
Microbial degradation is an important pathway for the attenuation of polybrominated diphenyl ethers (PBDEs) in natural soils. In this study, the compound-specific stable isotope analysis (CSIA) was applied to characterize microbial degradation of BDE-153, one of the prevailing and toxic PBDE congeners, in natural wetland soils. During the 45-day incubation, the residual percentages of BDE-153 decreased to 67.9% and 73.6% in non-sterilized soils spiked with 1.0 and 5.0 μg/g, respectively, which were both much lower than those in sterilized soils (96.0% and 97.2%). This result indicated that microbial degradation could accelerate BDE-153 elimination in wetland soils. Meanwhile, the significant carbon isotope fractionation was observed in non-sterilized soils, with δ13C of BDE-153 shifting from -29.4‰ to -26.7‰ for 1.0 μg/g and to -27.2‰ for 5.0 μg/g, respectively, whilst not in sterilized soils. This phenomenon indicated microbial degradation could induce stable carbon isotope fractionation of BDE-153. The carbon isotope enrichment factor (εc) for BDE-153 microbial degradation was first determined as -7.58‰, which could be used to assess the microbial degradation and bioavailability of BDE-153 in wetland soils. Based on δ13C and εc, the new methods were developed to dynamically and quantitatively estimate degradation degree and bioavailability of BDE-153 during degradation process, respectively, which could exclude interference of physical processes. This work revealed that CSIA was a promising method to investigate in situ microbial degradation of PBDEs in field studies.
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Affiliation(s)
- Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China; Environmental Information Institute, Dalian Maritime University, Dalian, 116026, China
| | - Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China; Environmental Information Institute, Dalian Maritime University, Dalian, 116026, China.
| | - Wei Tao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Xinda Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Haixia Wang
- Navigation College, Dalian Maritime University, Dalian, 116026, China
| | - Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
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Lou Y, Liu Y, Li N, Liu Y, Wang G, Zhao X, Wang H. The influence of carbon limitation on growth of Heterosigma akashiwo: A case study in fatty acids composition. Sci Total Environ 2020; 706:135700. [PMID: 31818562 DOI: 10.1016/j.scitotenv.2019.135700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/27/2019] [Accepted: 11/21/2019] [Indexed: 06/10/2023]
Abstract
Heterosigma akashiwo is an algal blooms species, and thus selected as the target microalgae in this work. This study attempted to investigate the influence of carbon limitation on the growth of H. akashiwo. Experiments were carried out in CO2-unlimited and CO2-limited systems (both include three nutritional groups). The stable isotope signatures and compound-specific stable three nutritional groups carbon isotopic composition of fatty acids were measured. Here we hypothesized that the carbon limitation could lead to the enriched of stable isotope ratios in the H. akashiwo. The results showed that carbon limitation made δ13C and δ13CFAs values more and more enriched in H. akashiwo. δ13C values were enriched in normal group of H. akashiwo within CO2-limited. δ15N values were enriched in nitrogen deficiency of H. akashiwo within both CO2-unlimited and CO2-limited. Furthermore, compared with the exponential phase, the enriched in δ13C was detected during the stationary phase in H. akashiwo within CO2-limited. A total of 8 major FAs were detected in H. akashiwo. Within CO2-unlimited, nitrogen deficiency promoted the synthesis of 4 FAs (14:1n-5c, 16:0, 18:0 and 18:3n-6c) in exponential phase. Within CO2-limited, nitrogen deficiency promoted the synthesis of FAs 14:0, 16:0 and 18:3n-3c, while phosphorus deficiency promoted the synthesis of all 6 FAs in exponential phase. δ13CFAs of H. akashiwo within CO2-limited showed the valley values and were significantly greater than those within CO2-unlimited. Furthermore, δ13CFAs of stationary phase were greater than those of exponential phase. δ13C14:1n-5c in nitrogen deficiency were the highest of the three nutrient groups within CO2-unlimited. This may point out that δ13CFAs could become an indicator of marine phytoplankton blooms. Overall, the present study may provide a novel approach to investigate the physiology and lipid metabolism of H. akashiwo blooms by using stable isotope ratios coupled with FAs profiles.
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Affiliation(s)
- Yadi Lou
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yu Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China; Environmental Information Institute, Dalian Maritime University, Dalian, China.
| | - Na Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Yuxin Liu
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Guoguang Wang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Xinda Zhao
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
| | - Haixia Wang
- Navigation College, Dalian Maritime University, Dalian, China
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40
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Deng HH, Xu M, Lou Y, Gao HB. [Analysis of resistance mutations in patients with persistent low viral load during antiviral therapy with tebivudine alone or in combination with adefovir dipivoxil]. Zhonghua Gan Zang Bing Za Zhi 2020; 27:802-805. [PMID: 31734997 DOI: 10.3760/cma.j.issn.1007-3418.2019.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- H H Deng
- Department of Liver Disease Center, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou 510060, China
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Qi GW, Chen L, Zheng J, Lou Y, Ma YY, Yang ZR. [Low grade fibromyxiod sarcoma in children: a clinicopathological analysis]. Zhonghua Bing Li Xue Za Zhi 2020; 49:62-64. [PMID: 31914537 DOI: 10.3760/cma.j.issn.0529-5807.2020.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- G W Qi
- Department of Pathology, Hangzhou Children's Hospital, Zhejiang Province, Hangzhou 310014, China
| | - L Chen
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Zheng
- Department of Preventive Health Care, Hangzhou Children's Hospital, Zhejiang Province, Hangzhou 310014, China
| | - Y Lou
- Department of Surgery, Hangzhou Children's Hospital, Zhejiang Province, Hangzhou 310014, China
| | - Y Y Ma
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - Z R Yang
- Department of Pathology, Zhejiang Provincial People's Hospital, Hangzhou 310014, China
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42
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Lan J, Wen J, Cao S, Yin T, Jiang B, Lou Y, Zhu J, An X, Suo H, Li D, Zhang Y, Tao J. The diagnostic accuracy of dermoscopy and reflectance confocal microscopy for amelanotic/hypomelanotic melanoma: a systematic review and meta‐analysis. Br J Dermatol 2019; 183:210-219. [DOI: 10.1111/bjd.18722] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2019] [Indexed: 12/23/2022]
Affiliation(s)
- J. Lan
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Wen
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - S. Cao
- School of Public Health Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - T. Yin
- Department of Biliary‐Pancreatic Surgery Affiliated Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - B. Jiang
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - Y. Lou
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Zhu
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - X. An
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - H. Suo
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - D. Li
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - Y. Zhang
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Tao
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
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Abstract
Reprogramming diseased cells with mutated genes into induced pluripotent stem cells (iPSCs) can allow studies of disease mechanism and correct the mutation. Oculofaciocardiodental (OFCD) syndrome is a developmental disorder caused by heterozygous mutations in the X-linked BCL-6 corepressor (BCOR) gene. In this present study, we aimed to reprogram stem cells from a tooth apical papilla (SCAP) of a patient with OFCD, termed SCAP-O, into iPSCs. The SCAP-O carry a copy of the BCOR gene having 1 nucleotide deletion in 1 of the alleles, therefore harboring a mixture of cells expressing either normal (SCAP-OBCOR-WT) or mutated (SCAP-OBCOR-mut) BCOR transcripts. We subcloned SCAP-O and separated SCAP-OBCOR-WT and SCAP-OBCOR-mut as verified by sequencing. The selected subclone SCAP-OBCOR-mut expressed only the mutated BCOR transcripts and remained in such condition after multiple passages. We reprogrammed SCAP-O and subclone SCAP-OBCOR-mut into transgene-free iPSCs using an excisable lentiviral vector system (hSTEMCCA-loxP) carrying 4 reprogramming factors in a single cassette, followed by removal of transgenes via Cre-mediated excision. We found that after reprogramming SCAP-O or subclone SCAP-OBCOR-mut into iPSCs, some of the iPSC clones expressed either solely the normal BCOR-WT or BCOR-mut transcripts, while other clones expressed both BCOR-WT and BCOR-mut transcripts. This is our first step toward establishing OFCD study models by generating isogenic control BCOR-WT iPSCs versus BCOR-mut iPSCs.
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Affiliation(s)
- I El Ayachi
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - X-Y Zou
- Department of Cariology, Endodontology and Operative Dentistry, School and Hospital of Stomatology, Peking University, Beijing, China.,Department of Endodontics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA, USA
| | - X Yan
- Department of Endodontics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA, USA
| | - Y Lou
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.,Department of Endodontics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA, USA
| | - G T-J Huang
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.,Department of Endodontics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, MA, USA
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