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Feng L, Sun J, Xia L, Shi Q, Hou Y, Zhang L, Li M, Fan C, Sun B. Ferroptosis mechanism and Alzheimer's disease. Neural Regen Res 2024; 19:1741-1750. [PMID: 38103240 PMCID: PMC10960301 DOI: 10.4103/1673-5374.389362] [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: 05/08/2023] [Revised: 07/05/2023] [Accepted: 09/09/2023] [Indexed: 12/18/2023] Open
Abstract
Regulated cell death is a genetically determined form of programmed cell death that commonly occurs during the development of living organisms. This process plays a crucial role in modulating homeostasis and is evolutionarily conserved across a diverse range of living organisms. Ferroptosis is a classic regulatory mode of cell death. Extensive studies of regulatory cell death in Alzheimer's disease have yielded increasing evidence that ferroptosis is closely related to the occurrence, development, and prognosis of Alzheimer's disease. This review summarizes the molecular mechanisms of ferroptosis and recent research advances in the role of ferroptosis in Alzheimer's disease. Our findings are expected to serve as a theoretical and experimental foundation for clinical research and targeted therapy for Alzheimer's disease.
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Affiliation(s)
- Lina Feng
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Jingyi Sun
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Ling Xia
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Qiang Shi
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Yajun Hou
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Lili Zhang
- Department of Internal Medicine, Taian Traffic Hospital, Taian, Shandong Province, China
| | - Mingquan Li
- Department of Neurology, the Third Affiliated Clinical Hospital of Changchun University of Chinese Medicine, Changchun, Jilin Province, China
| | - Cundong Fan
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
| | - Baoliang Sun
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, the Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province, China
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Sun J, Hua L, He Y, Liu H, Liu Q, Chen M, Li J, Ye J, Fang D, Ji R, Chen Y, Yang C, Zhang J. Genetic analysis and functional study of novel CFTR variants in Chinese children with cystic fibrosis. Gene 2024; 907:148190. [PMID: 38246579 DOI: 10.1016/j.gene.2024.148190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/27/2023] [Accepted: 01/17/2024] [Indexed: 01/23/2024]
Abstract
OBJECTIVES To describe the clinical characteristics of Chinese cystic fibrosis (CF) patients and to investigate the variants of CFTR and their potential pathogenicity. STUDY DESIGN Chinese patients with potential CF diagnosis were studied. Clinical data were reviewed retrospectively from medical records. Whole exome sequencing and genetic evaluation were conducted to explore potential gene variants. The disruption of the variants to protein structure and function was explored and validated using in vitro experiments and in silico analysis. RESULTS Four patients were recruited to the study, three of them were diagnosed as CF, and one was diagnosed as CFTR-related disorder. The age at symptom onset for the patients in this study ranged from newborn to 6 years, while the age at diagnosis varied from 3 to 11 years. All four patients exhibited bilateral diffuse bronchiectasis with Pseudomonas aeruginosa infections, and three of them had malnutrition. Finger clubbing was observed in three patients, two of whom displayed mixed ventilatory dysfunction. The CFTR variants spectrum of Chinese children with CF differs from that of Caucasian. A total of six variants were identified, two of which were first reported (c.1219G > T [p.Glu407*] and c.1367delT [p.Ala457Leufs*12]). The nonsense variants c.1219G > T, c.1657C > T and c.2551C > T and the frameshift variant c.1367delT were predicted to introduce premature stop codon and produce shorten CFTR protein, which was also first validated by in vitro truncation assay in this study. The missense variant c.1810A > C was predicted to disrupt the function of the nucleotide-binding domain 1 (NBD1) in the CFTR protein. The splicing variant c.1766 + 5G > T caused skipping of exon 13 and damaged the integrity of CFTR protein. CONCLUSIONS Our study expands the spectrum of phenotypes and genotypes for CF of Chinese origin, which differs significantly from that of Caucasian. Genetic analysis and counseling are crucial and deserve extensive popularization for the diagnosis ofCF in patients of Chinese origin.
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Affiliation(s)
- Jingyi Sun
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Hua
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yafang He
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haipei Liu
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Quanhua Liu
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengxue Chen
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Li
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianmin Ye
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dingzhu Fang
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruoxu Ji
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi Chen
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Yang
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing, China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.
| | - Jianhua Zhang
- Department of Pediatric Pulmonology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Huang J, Zhang J, Sun J, Gong M, Yuan Z. Exposure to polystyrene microplastics and perfluorooctane sulfonate disrupt the homeostasis of intact planarians and the growth of regenerating planarians. Sci Total Environ 2024; 924:171653. [PMID: 38485023 DOI: 10.1016/j.scitotenv.2024.171653] [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: 12/25/2023] [Revised: 03/09/2024] [Accepted: 03/09/2024] [Indexed: 03/17/2024]
Abstract
Microplastics (MPs) and perfluorinated compounds (PFAS) are widespread in the global ecosystem. MPs have the ability to adsorb organic contaminants such as perfluorooctane sulfonate (PFOS), leading to combined effects. The current work aims to explore the individual and combined toxicological effects of polystyrene (PS) and PFOS on the growth and nerves of the freshwater planarian (Dugesia japonica). The results showed that PS particles could adsorb PFOS. PS and PFOS impeded the regeneration of decapitated planarians eyespots, whereas the combined treatment increased the locomotor speed of intact planarians. PS and PFOS caused significant DNA damage, while co-treatment with different PS concentrations aggravated and attenuated DNA damage, respectively. Further studies at the molecular level have shown that PS and PFOS affect the proliferation and differentiation of neoblasts in both intact and regenerating planarians, alter the expression levels of neuronal genes, and impede the development of the nervous system. PS and PFOS not only disrupted the homeostasis of intact planarians, but also inhibited the regeneration of decapitated planarians. This study is the first to assess the multiple toxicity of PS and PFOS to planarians after combined exposure. It provides a basis for the environmental and human health risks of MPs and PFAS.
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Affiliation(s)
- Jinying Huang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Jianyong Zhang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Jingyi Sun
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Mengxin Gong
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Zuoqing Yuan
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
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Liu H, Jiang L, Xu S, Wang C, Sun J. Quercetin prevents methylmercury-induced mitochondrial dysfunction in the cerebral cortex of mice. Drug Chem Toxicol 2024:1-15. [PMID: 38647114 DOI: 10.1080/01480545.2024.2341888] [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: 08/26/2023] [Accepted: 04/06/2024] [Indexed: 04/25/2024]
Abstract
Methylmercury (MeHg) exposure can cause nerve damage and mitochondrial dysfunction. Mitochondrial dysfunction is mainly mediated by mitochondrial biogenesis and mitochondrial dynamics disorders. Quercetin (QE) plays an important role in activating silencing information regulator 2 related enzyme 1 (SIRT1), and SIRT1 activates peroxisome-proliferator-activated receptor-γ co-activator 1α (PGC-1α), which can regulate mitochondrial biogenesis and mitochondrial dynamics. The main purpose of this study was to explore the alleviating effects of QE on MeHg-induced nerve damage and mitochondrial dysfunction. The results showed that QE could reduce the excessive production of reactive oxygen species (ROS) and the loss of membrane potential induced by MeHg. Meanwhile, QE activated SIRT1 activity and SIRT1/PGC-1α signaling pathway, improved mitochondrial biogenesis and fusion and reduced mitochondrial fission. In summary, we hypothesized that QE prevents MeHg-induced mitochondrial dysfunction by activating SIRT1/PGC-1α signaling pathway.
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Affiliation(s)
- Haihui Liu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Liujiangshan Jiang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Si Xu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Chen Wang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Jingyi Sun
- Department of Cardiology, The Second Hospital of Dalian Medical University, Dalian, PR China
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Li A, Zhao S, Sun J, Liu H, Sun Y, Bi F, Xia Z, Dai W, He W, Zhang J, He P. Overwintering and summer survival of Ulva prolifera in sediments: Indoor simulation of temperature impacts. Mar Pollut Bull 2024; 201:116233. [PMID: 38457878 DOI: 10.1016/j.marpolbul.2024.116233] [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: 12/21/2023] [Revised: 02/05/2024] [Accepted: 03/04/2024] [Indexed: 03/10/2024]
Abstract
Green tides, a globally prevalent marine ecological anomaly observed in coastal regions, have received substantial attention. However, there is limited research on the burial of Ulva prolifera in sediments during the late stages of green tide outbreaks. This study investigates the effect of temperature on U. prolifera buried in sediment over 30 days. The measurements included the length, biomass, relative growth rate, chlorophyll composition and maximum quantum yield (Fv/Fm) of PS II at different stages. The results indicate that at -20 °C, numerous seedlings emerged after 14 days of recovery culture, suggesting the release of spores or gametes; survival was possible from -2 °C to 15 °C; but at 20 °C and 30 °C, all U. prolifera died. The U. prolifera buried in sediment during the late stage of green tide outbreaks may serve as one of the sources for the subsequent year's green tide eruption. This research provides insights into the origins of green tide outbreaks in the southern Yellow Sea.
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Affiliation(s)
- Aiqin Li
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Shuang Zhao
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China; Ocean College, Fujian Polytechnic Normal University, Fujian, Fuqing 350300, China
| | - Jingyi Sun
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Hongtao Liu
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Yuqing Sun
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Fangling Bi
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Zhangyi Xia
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Wei Dai
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
| | - Wenhui He
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of River and Lake Biochain Construction and Resource Utilization, Shanghai 201702, China
| | - Jianheng Zhang
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
| | - Peimin He
- College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
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Cong S, Ji J, Zhang X, Sun J, Zhao H, Liu X, Hu N. Effect of Ethanol Extract of Tea on the Microstructural Features and Retrogradation Characteristics of Glutinous Rice Starch. Foods 2024; 13:1029. [PMID: 38611335 PMCID: PMC11011411 DOI: 10.3390/foods13071029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
The glutinous rice starch (GRS) regeneration process could lead to decreased product quality and shorter shelf life. The purpose of this study was to analyze the effect of an ethanol extract of tea (EET) on the regeneration properties of GRS. The microstructure of starch was determined via scanning electron microscopy (SEM), Fourier-transform infrared (FT-IR) spectroscopy was used to determine the microstructure of starch-polyphenol molecular groups, an X-ray diffraction (XRD) instrument was used to determine the starch crystal structure, a differential scanning calorimeter (DSC) was used to determine the thermodynamic properties of starch, and the inhibitory effect of EET on GRS regeneration was comprehensively evaluated. The effect of EET on the in vitro digestion properties of GRS was also determined. The results showed that the addition of EET in GRS resulted in an increase in solubility and swelling power and a decrease in crystallinity and ΔHr. Compared to the control group, when retrograded for 10 days, the ΔHr of GRS with 1%, 2.5%, 5%, and 10% addition of EET decreased by 34.61%, 44.53%, 52.93%, and 66.79%, respectively. Furthermore, the addition of EET resulted in a decrease in the content of RDS and an increase in the content of SDS and RS in GRS. It was shown that the addition of EET could significantly inhibit the retrogradation of GRS, improve the processability, and prolong the shelf life of GRS products.
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Affiliation(s)
- Shanzi Cong
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, Qiqihar 161006, China
- Engineering Research Center of Plant Food Processing Technology, Ministry of Education, Qiqihar 161006, China
| | - Jie Ji
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
| | - Xinxin Zhang
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
| | - Jingyi Sun
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
| | - Hongji Zhao
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
| | - Xiaolan Liu
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, Qiqihar 161006, China
- Engineering Research Center of Plant Food Processing Technology, Ministry of Education, Qiqihar 161006, China
| | - Nan Hu
- College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China (X.L.)
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, Qiqihar 161006, China
- Engineering Research Center of Plant Food Processing Technology, Ministry of Education, Qiqihar 161006, China
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Li X, Kong L, Pan J, Liu H, Wang C, Xu S, Liu W, Sun J. N-acetylcysteine protects against neurodevelopmental injuries induced by methylmercury exposure during pregnancy and lactation. Brain Res 2024; 1827:148761. [PMID: 38211826 DOI: 10.1016/j.brainres.2024.148761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/13/2024]
Abstract
As an extremely dangerous environmental contaminant, methylmercury (MeHg) results in detrimental health effects in human brain nervous system, one of its main targets. However, as a developmental toxicant, the brain of offspring is vulnerable to MeHg during pregnancy and lactation exposure. Unfortunately, mechanisms of neurodevelopmental injuries induced by MeHg have not been fully elucidated. N-acetylcysteine (NAC) has been used for several decades as an antioxidant to antagonize oxidative stress. However, the molecular mechanisms of NAC alleviating MeHg-induced neurodevelopmental toxicity are not clear. Here, for evaluation of the dose-dependent effects of MeHg exposure on neurodevelopmental injuries of offspring, and the possible protective effects of NAC, the pregnant female mice were exposed to MeHg (4, 8, 12 mg/L, respectively) and NAC (50, 100, 150 mg/kg, respectively) from gestational day 1 (GD1) to postnatal day 21 (PND21). Our results indicated that administering MeHg caused behavioral impairment and neuronal injuries in the cerebral cortex of newborn mice. MeHg dose-dependently caused reactive oxygen species (ROS) overproduction and oxidative stress aggravation, together with expression of Nrf2, HO-1, Notch1, and p21 up-regulation, and CDK2 inhibition. NAC treatment dose-dependently antagonized MeHg-induced oxidative stress that may contribute to alleviating neurobehavioral and neurodevelopmental impairments. These results give insight into that NAC can protect against MeHg-induced neurodevelopmental toxicity by its antioxidation capacity.
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Affiliation(s)
- Xiaoyang Li
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Lingxu Kong
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Jingjing Pan
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Haihui Liu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Chen Wang
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Si Xu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Wei Liu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang, PR China
| | - Jingyi Sun
- Department of Cardiology, The Second Hospital of Dalian Medical University, Dalian, Liaoning, PR China.
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Liu G, Zhang CM, Li Y, Sun JY, Cheng YB, Chen YP, Wang ZH, Ren H, Liu CF, Jin YP, Chen S, Wang XM, Xu F, Xu XZ, Zhu QJ, Wang XD, Liu XH, Liu Y, Hu Y, Wang W, Ai Q, Dang HX, Gao HM, Fan CN, Qian SY. [Respiratory virus infection and its influence on outcome in children with septic shock]. Zhonghua Er Ke Za Zhi 2024; 62:211-217. [PMID: 38378281 DOI: 10.3760/cma.j.cn112140-20231014-00286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Objective: To investigate respiratory virus infection in children with septic shock in pediatric care units (PICU) in China and its influence on clinical outcomes. Methods: The clinical data of children with septic shock in children's PICU from January 2018 to December 2019 in 10 Chinese hospitals were retrospectively collected. They were divided into the pre-COVID-19 and post-COVID-19 groups according to the onset of disease, and the characteristics and composition of respiratory virus in the 2 groups were compared. Matching age, malignant underlying diseases, bacteria, fungi and other viruses, a new database was generated using 1∶1 propensity score matching method. The children were divided into the respiratory virus group and non-respiratory virus group according to the presence or absence of respiratory virus infection; their clinical characteristics, diagnosis, and treatment were compared by t-test, rank sum test and Chi-square test. The correlation between respiratory virus infection and the clinical outcomes was analyzed by logistic regression. Results: A total of 1 247 children with septic shock were included in the study, of them 748 were male; the age was 37 (11, 105) months. In the pre-and post-COVID-19 groups, there were 530 and 717 cases of septic shock, respectively; the positive rate of respiratory virus was 14.9% (79 cases) and 9.8% (70 cases); the seasonal distribution of septic shock was 28.9% (153/530) and 25.9% (185/717) in autumn, and 30.3% (161/530) and 28.3% (203/717) in winter, respectively, and the corresponding positive rates of respiratory viruses were 19.6% (30/153) and 15.7% (29/185) in autumn, and 21.1% (34/161) and 15.3% (31/203) in winter, respectively. The positive rates of influenza virus and adenovirus in the post-COVID-19 group were lower than those in the pre-COVID-19 group (2.1% (15/717) vs. 7.5% (40/530), and 0.7% (5/717) vs. 3.2% (17/530), χ2=21.51 and 11.08, respectively; all P<0.05). Rhinovirus virus were higher than those in the pre-Covid-19 group (1.7% (12/717) vs. 0.2% (1/530), χ2=6.51, P=0.011). After propensity score matching, there were 147 cases in both the respiratory virus group and the non-respiratory virus group. Rate of respiratory failure, acute respiratory distress, rate of disseminated coagulation dysfunction, and immunoglobulin usage of the respiratory virus group were higher than those of non-respiratory virus group (77.6% (114/147) vs. 59.2% (87/147), 17.7% (26/147) vs. 4.1% (6/147), 15.6% (25/147) vs. 4.1% (7/147), and 35.4% (52/147) vs. 21.4% (32/147); χ2=11.07, 14.02, 11.06 and 6.67, all P<0.05); and PICU hospitalization of the former was longer than that of the later (7 (3, 16) vs. 3 (1, 7)d, Z=5.01, P<0.001). Univariate logistic regression analysis showed that the presence of respiratory viral infection was associated with respiratory failure, disseminated coagulation dysfunction, the use of mechanical ventilation, and the use of immunoglobulin and anti-respiratory viral drugs (OR=2.42, 0.22, 0.25, 0.56 and 1.12, all P<0.05). Conclusions: The composition of respiratory virus infection in children with septic shock is different between pre and post-COVID-19. Respiratory viral infection is associated with organ dysfunction in children with septic shock. Decreasing respiratory viral infection through respiratory protection may improve the clinical outcome of these children.
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Affiliation(s)
- G Liu
- Department of Pediatric Intensive Care Unit, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - C M Zhang
- Department of Pediatric Intensive Care Unit, Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Y Li
- Department of Pediatric Intensive Care Unit, Children's Hospital Affiliated to Soochow University, Suzhou 215025, China
| | - J Y Sun
- Department of Pediatric Critical Care, Children's Hospital of Chongqing Medical University, Chongqing 400014, China
| | - Y B Cheng
- Department of Pediatric Intensive Care Unit, Henan Children's Hospital, Zhengzhou 450018, China
| | - Y P Chen
- Department of Pediatric Intensive Care Unit, Baoding Children's Hospital, Baoding 071051, China
| | - Z H Wang
- Department of Pediatric Intensive Care Unit, Baoding Children's Hospital, Baoding 071051, China
| | - H Ren
- Department of Pediatric Intensive Care Unit, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - C F Liu
- Department of Pediatric Intensive Care Unit, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Y P Jin
- Department of Pediatric Intensive Care Unit, Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - S Chen
- Department of Pediatric Intensive Care Unit, Tianjin Children's Hospital, Tianjin 300074, China
| | - X M Wang
- Department of Hematology, Tianjin Children's Hospital, Tianjin 300074, China
| | - F Xu
- Department of Pediatric Critical Care, Children's Hospital of Chongqing Medical University, Chongqing 400014, China
| | - X Z Xu
- Department of Pediatric Intensive Care Unit, Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Q J Zhu
- Department of Pediatric Intensive Care Unit, Children's Hospital Affiliated to Soochow University, Suzhou 215025, China
| | - X D Wang
- Department of Pediatric Intensive Care Unit, Henan Children's Hospital, Zhengzhou 450018, China
| | - X H Liu
- Department of Pediatric Intensive Care Unit, Baoding Children's Hospital, Baoding 071051, China
| | - Y Liu
- Department of Pediatric Intensive Care Unit, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Y Hu
- Department of Pediatric Intensive Care Unit, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - W Wang
- Department of Pediatric Intensive Care Unit, Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Q Ai
- Department of Hematology, Tianjin Children's Hospital, Tianjin 300074, China
| | - H X Dang
- Department of Pediatric Critical Care, Children's Hospital of Chongqing Medical University, Chongqing 400014, China
| | - H M Gao
- Department of Pediatric Intensive Care Unit, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - C N Fan
- Department of Pediatric Intensive Care Unit, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - S Y Qian
- Department of Pediatric Intensive Care Unit, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
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Sun J, Luo B, Xu X, Yang C. Boundary Optimal Control for Parabolic Distributed Parameter Systems With Value Iteration. IEEE Trans Cybern 2024; 54:1571-1581. [PMID: 37015707 DOI: 10.1109/tcyb.2022.3224485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
A reinforcement learning-based boundary optimal control algorithm for parabolic distributed parameter systems is developed in this article. First, a spatial Riccati-like equation and an integral optimal controller are derived in infinite-time horizon based on the principle of the variational method, which avoids the complex semigroups and operator theories. Using state data along the system trajectory, a value iteration algorithm via the Bellman optimality principle is proposed to obtain the solution of the spatial Riccati-like equation and the optimal control law. The convergence of the value iteration algorithm is proved. Subsequently, an approximation scheme based on weighted residuals is developed to implement the value iteration algorithm, where radial basis functions are chosen as the basic functions to approximate the solution of the spatial Riccati-like equation. Simulations on the diffusion-reaction process demonstrate the effectiveness of the developed method.
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Guan T, Guo Y, Zhou T, Yu Q, Sun J, Sun B, Zhang G, Kong J. Oxidized SOD1 accelerates cellular senescence in neural stem cells. Stem Cell Res Ther 2024; 15:55. [PMID: 38414053 PMCID: PMC10900543 DOI: 10.1186/s13287-024-03669-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 02/16/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Neural stem cells (NSCs), especially human NSCs, undergo cellular senescence characterized by an irreversible proliferation arrest and loss of stemness after prolonged culture. While compelling correlative data have been generated to support the oxidative stress theory as one of the primary determinants of cellular senescence of NSCs, a direct cause-and-effect relationship between the accumulation of oxidation-mediated damage and cellular senescence of NSCs has yet to be firmly established. Human SOD1 (hSOD1) is susceptible to oxidation. Once oxidized, it undergoes aberrant misfolding and gains toxic properties associated with age-related neurodegenerative disorders. The present study aims to examine the role of oxidized hSOD1 in the senescence of NSCs. METHODS NSCs prepared from transgenic mice expressing the wild-type hSOD1 gene were maintained in culture through repeated passages. Extracellular vesicles (EVs) were isolated from culture media at each passage. To selectively knock down oxidized SOD1 in NSCs and EVs, we used a peptide-directed chaperone-mediated protein degradation system named CT4 that we developed recently. RESULTS In NSCs expressing the hSOD1 from passage 5, we detected a significant increase of oxidized hSOD1 and an increased expression of biomarkers of cellular senescence, including upregulation of P53 and SA-β-Gal and cytoplasmic translocation of HMGB1. The removal of oxidized SOD1 remarkably increased the proliferation and stemness of the NSCs. Meanwhile, EVs derived from senescent NSCs carrying the wild-type hSOD1 contained high levels of oxidized hSOD1, which could accelerate the senescence of young NSCs and induce the death of cultured neurons. The removal of oxidized hSOD1 from the EVs abolished their senescence-inducing activity. Blocking oxidized SOD1 on EVs with the SOD1 binding domain of the CT4 peptide mitigated its toxicity to neurons. CONCLUSION Oxidized hSOD1 is a causal factor in the cellular senescence of NSCs. The removal of oxidized hSOD1 is a strategy to rejuvenate NSCs and to improve the quality of EVs derived from senescent cells.
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Affiliation(s)
- Teng Guan
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada
| | - Ying Guo
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada
- Department of Forensic Medicine, Hebei North University, Zhangjiakou, Hebei, China
| | - Ting Zhou
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada
- Department of Pharmacy, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qiang Yu
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada
| | - Jingyi Sun
- Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Baoliang Sun
- Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Guohui Zhang
- Department of Forensic Medicine, Hebei North University, Zhangjiakou, Hebei, China
| | - Jiming Kong
- Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada.
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Wang C, Wang C, Lu W, Wang Y, Yue Q, Xin D, Sun B, Wu J, Sun J, Wang Y. Novel SERS Signal Amplification Strategy for Ultrasensitive and Specific Detection of Spinal Cord Injury-Related miRNA. ACS Sens 2024; 9:736-744. [PMID: 38346401 DOI: 10.1021/acssensors.3c02024] [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: 02/24/2024]
Abstract
The expression of microRNA (miRNA) changes in many diseases plays an important role in the diagnosis, treatment, and prognosis of diseases. Spinal cord injury (SCI) is a serious disease of the central nervous system, accompanied by inflammation, cell apoptosis, neuronal necrosis, axonal rupture, demyelination, and other pathological processes, resulting in impaired sensory and motor functions of patients. Studies have shown that miRNA expression has changed after SCI, and miRNAs participate in the pathophysiological process and treatment of SCI. Therefore, quantitative analysis and monitoring of the expression of miRNA were of great significance for the diagnosis and treatment of SCI. Through the SCI-related miRNA chord plot, we screened out miRNA-21-5p and miRNA-let-7a with a higher correlation. However, for traditional detection strategies, it is still a great challenge to achieve a fast, accurate, and sensitive detection of miRNA in complex biological environments. The most frequently used method for detecting miRNAs is polymerase chain reaction (PCR), but it has disadvantages such as being time-consuming and cumbersome. In this paper, a novel SERS sensor for the quantitative detection of miRNA-21-5p and miRNA-let-7a in serum and cerebrospinal fluid (CSF) was developed. The SERS probe eventually formed a sandwich-like structure of Fe3O4@hpDNA@miRNA@hpDNA@GNCs with target miRNAs, which had high specificity and stability. This SERS sensor achieved a wide range of detection from 1 fM to 1 nM and had a good linear relationship. The limits of detection (LOD) for miRNA-21-5p and miRNA-let-7a were 0.015 and 0.011 fM, respectively. This new strategy realized quantitative detection and long-term monitoring of miRNA-21-5p and miRNA-let-7a in vivo. It is expected to become a powerful biomolecule analysis tool and will provide ideas for the diagnosis and treatment of many diseases.
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Affiliation(s)
- Cai Wang
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Chengcheng Wang
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Weizhao Lu
- School of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Yanjiao Wang
- School of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Qianwen Yue
- Taishan Vocational College of Nursing, Taian, Shandong 271000, China
| | - Dongyuan Xin
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Baoliang Sun
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jingguo Wu
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Ying Wang
- The Second Affiliated Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
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Dai W, Wang X, Zhuang M, Sun J, Shen Y, Xia Z, Wu T, Jiang R, Li A, Bi F, Zhang J, He P. Responses of photosynthesis-related genes in Sargassum horneri to high temperature stress. Mar Pollut Bull 2024; 199:115944. [PMID: 38142666 DOI: 10.1016/j.marpolbul.2023.115944] [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: 07/28/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/26/2023]
Abstract
Golden tide outbreak threatened the marine ecological environment. Sargassum horneri is a single dominant species of the Yellow Sea golden tide, which growth and development are affected by changes in sea water temperature. This study investigated the photosynthetic physiology of copper algae and found that the growth rate, chlorophyll a content, carotenoid content, Fv/Fm, and maximum electron transfer efficiency were significantly reduced, indicating that Sargassum horneri was under stress under high temperature. In this study, high-throughput sequencing was used to analyze the response mechanisms of photosynthesis-related genes in S. horneri under high temperature stress. The results showed that most of the photosynthesis-related genes in S. horneri were downregulated and photosynthesis was inhibited under high temperature stress. However, the expression levels of ferredoxin, ferredoxin-NADP reductase, light-harvesting protein complexes, and oxygen-evolving complex genes were significantly upregulated (P ≤ 0.05) after five days of high temperature treatment. This study found that photosynthesis related genes play a crucial role in regulating the photosynthetic response of S. horneri to high temperature stress.
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Affiliation(s)
- Wei Dai
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Xiaoran Wang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Minmin Zhuang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Jingyi Sun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yifei Shen
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Zhangyi Xia
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Tingjian Wu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Ruitong Jiang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Aiqin Li
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Fangling Bi
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jianheng Zhang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China.
| | - Peimin He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China.
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Sun J, Mei J, Zhang J, Lou Y, Jiang S, Li Y, Fu X. Hydrogen sulfide affects aortic vasodilation in rats by mediating PI3K-Akt signaling pathway. Minerva Med 2024:S0026-4806.23.08955-3. [PMID: 38224321 DOI: 10.23736/s0026-4806.23.08955-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Affiliation(s)
- Jingyi Sun
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jiajie Mei
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jingsi Zhang
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yu Lou
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Shasha Jiang
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yang Li
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiaodan Fu
- Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China -
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Miao JN, Sun JY, Cao XQ, Ding BN, Cai ZY, Liu ZY. [Mediating effect of unhealthy lifestyle and depressive symptom on association between life course factors and ageing health]. Zhonghua Liu Xing Bing Xue Za Zhi 2024; 45:71-77. [PMID: 38228527 DOI: 10.3760/cma.j.cn112338-20230719-00024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Objective: To explore the mediating effect of unhealthy lifestyle and depressive symptom on the associations between life course factors and aging health. Methods: The study included 6 217 participants (aged ≥45 years) from the China Health and Retirement Longitudinal Study (CHARLS). We used principal component analysis (PCA) and hierarchical clustering analysis (HCA) to divide participants into six subgroups based on 70 life course factors. Five key life course factors were identified based on correlation analysis and their contribution to aging health. Physiological dysregulation (PD) was calculated by using eight biomarkers in the 2015 CHARLS biomarker dataset. Linear regression, logistic regression, and mediation models were used to explore the complex associations of life course subgroups, key factors, unhealthy lifestyle, depression symptom with PD. Results: Life course subgroups were significantly associated with PD after adjusting chronological age and gender (β: 0.08-0.17, all P<0.05). Life-course subgroups and key factors, including adverse experiences in adulthood and lower education level, were significantly associated with unhealthy lifestyle (β: 0.04-0.52, all P<0.05). Life-course subgroups and key factors, including childhood trauma, parental health in childhood, adverse experiences in adulthood, and lower education level, were significantly associated with depression symptom (OR: 1.16-4.76, all P<0.05). Mediation analysis showed that unhealthy lifestyle had partial mediating effect on the association of life course subgroups and key factors, including adverse experiences in adulthood, and lower education levels, with PD (3.1%-3.6%). Depression symptom had partial mediating effect on the association of life course subgroups and key factors, including childhood trauma, adverse experience in adulthood, and lower education level, with PD (6.0%-16.2%). Conclusions: Unhealthy lifestyle and depression symptom has partial mediating effect on the impact of life course factors on aging health. It is important to pay attention to these two modifiable factors while targeting childhood trauma and adverse experience in adulthood.
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Affiliation(s)
- J N Miao
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - J Y Sun
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - X Q Cao
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - B N Ding
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Z Y Cai
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Z Y Liu
- Second Affiliated Hospital and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou 310058, China
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Zhang YQ, Duan YL, Sun JY, Liu J, Qi Y. [Study on the 5-year trend and influencing factors of lipoprotein (a) concentration in community-based population]. Zhonghua Xin Xue Guan Bing Za Zhi 2023; 51:1234-1239. [PMID: 38123205 DOI: 10.3760/cma.j.cn112148-20230817-00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objective: To explore the trend and influencing factors of serum lipoprotein (a) (Lp(a)) concentration over time in Chinese community populations. Methods: This study is a prospective cohort study. The participants were enrolled from Chinese Multi-provincial Cohort Study- Beijing projects, completed the cardiovascular disease risk factor surveys in 2002 and 2007, and the serum Lp (a) concentration were measured. Based on the Lp(a) concentration at baseline (2002) and follow-up (2007), the participants were classified into subgroups of <30.0 mg/dl (1 mg/dl=0.01 g/L) group, 30.0 to 49.9 mg/dl group, and ≥50.0 mg/dl group, respectively. Multivariable logistic regression analysis was used to identify influencing factors associated with Lp (a) absolute change (≥20 mg/dl) and relative change (≥20%) within 5 years. Results: Among 1 955 participants with age of (56.5±8.0) years old and 821 male (42.0%) at baseline, there were 1 657 (84.8%), 184 (9.4%) and 114 (5.8%) participants in Lp(a)<30.0 mg/dl group, 30.0 to 49.9 mg/dl group and ≥50.0 mg/dl group, respectively. Among the baseline Lp(a) concentration of 30.0-49.9 mg/dl group, 68 (37.0%) participants progressed to Lp(a) ≥50.0 mg/dl after 5 years follow-up, and 102 (55.4%) remained at this level. Participants with baseline Lp(a)<30.0 mg/dl (92%, 1 524/1 657) or Lp(a)≥50.0 mg/dl (94.7%, 108/114) tended to be maintained at their respective levels. The results of the multivariate logistic regression analysis showed that, in addition to the high level of baseline Lp(a) concentration, family history of cardiovascular disease, elevated fasting blood glucose and usage of oral lipid-lowering drugs were the influencing factors of Lp(a) changes over time (P<0.05). Conclusions: Adults with borderline-high Lp(a) concentrations (30.0 to 49.9 mg/dl) could be considered for repeated testing, especially for those with a family history of cardiovascular disease, elevated fasting blood glucose and usage of statins.
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Affiliation(s)
- Y Q Zhang
- Center for Clinical and Epidemiologic Research, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing 100029, China
| | - Y L Duan
- Center for Clinical and Epidemiologic Research, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing 100029, China
| | - J Y Sun
- Center for Clinical and Epidemiologic Research, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing 100029, China
| | - J Liu
- Center for Clinical and Epidemiologic Research, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing 100029, China
| | - Y Qi
- Center for Clinical and Epidemiologic Research, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing 100029, China
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Liu XY, Li YJ, Zhang T, Wang F, Wang YX, Sun JY. [Analysis on the allocation equality in occupational health technology service resource in Gansu Province]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:913-917. [PMID: 38195227 DOI: 10.3760/cma.j.cn121094-20230301-00056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
Objective: To investigate and analyze the allocation equality of occupational health technology service resource of Gansu disease control and prevention institutions, providing reference basis for optimizing the allocation of occupational health technology service resources. Methods: Combined with the survey data in September 2021, Gansu Province was divided into five economic regions by geographical location and economic characteristics. Taking the service number of enterprises and workers as the analysis dimensions, the allocation level of occupational health technology service resources in different regions was compared. The allocation equality was analyzed through Lorentz curve, Gini coefficient and Theil index. Results: There were 301 occupational health technicians and 1914 sampling and testing equipments of Gansu Provincial disease control and prevention institutions in 2021. All of the technicians and equipments were used for serving 1952 enterprises and 465800 workers. The curvature of Lorentz curves and Gini coefficient which measured by the service number of enterprises and workers were: occupational health technicians>radioactive factor sampling and testing equipment >physical factor sampling and testing equipment >chemical factor sampling and testing equipment, and chemical factor sampling and testing equipment>physical factor sampling and testing equipment >radioactive factor sampling and testing equipment >occupational health technicians, respectively. Theil index of occupational health technology service resources suggested that differences in regions were the main unfair reason effected the allocation of occupational health technicians and radioactive factor sampling and testing equipment, while the differences between regions were the main unfair reason effected the allocation of chemical and physical factor sampling and testing equipment. Conclusion: The allocation equality in occupational health technology service resources of Gansu Provincial disease control and prevention institutions was not enough, and the differences in regions and between regions should be considered. This study suggests that it is necessary to introduce more occupational health technicians. The allocation of occupational health technology service resources should match with the number of local enterprises and the types of potential hazard factors of enterprises as far as possible.
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Affiliation(s)
- X Y Liu
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
| | - Y J Li
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
| | - T Zhang
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
| | - F Wang
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
| | - Y X Wang
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
| | - J Y Sun
- Physical and Chemical Testing Department of Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730020, China
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Weng J, Chen J, Xu Y, Hu X, Guo C, Yang Y, Sun J, Fu L, Wang Q, Wei J, Yang T. Engineering highly dispersed AgI nanoparticles on hierarchical In 2S 3 hollow nanotube to construct Z-scheme heterojunction for efficient photodegradation of insecticide imidacloprid. J Colloid Interface Sci 2023; 652:1367-1380. [PMID: 37659306 DOI: 10.1016/j.jcis.2023.08.169] [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: 08/12/2023] [Revised: 08/23/2023] [Accepted: 08/26/2023] [Indexed: 09/04/2023]
Abstract
Increasing the exposure of active sites and improving the intrinsic activity are necessary considerations for designing a highly efficient photocatalyst. Herein, an In2S3/AgI stable Z-scheme heterojunction with highly dispersed AgI nanoparticles (NPs) is synthesized by the mild self-templated and in-situ ion exchange strategy. Impressively, the optimized In2S3/AgI-300 Z-scheme heterojunction exhibits superior photodegradation activity (0.020 min-1) for the decomposition of insecticide imidacloprid (IMD), which is extremely higher than that of pure In2S3 (0.002 min-1) and AgI (0.013 min-1). Importantly, the three-dimensional excitation-emission matrix (3D EEMs) fluorescence spectra, high-resolution mass spectrometry (HRMS), the photoelectrochemical tests, radical trapping experiment, and electron spin resonance (ESR) technique are performed to clarify the possible degradation pathway and mechanism of IMD by the In2S3/AgI-300 composite. The enhanced photocatalytic performance is attributed to the highly dispersed AgI NPs on hierarchical In2S3 hollow nanotube and the construction of In2S3/AgI Z-scheme heterojunction, which can not only increase active site exposure, but also improve its intrinsic activity, facilitating rapid charge transfer rate and excellent electron-hole pairs separation efficiency. Meanwhile, the practical application potential of the In2S3/AgI-300 composite is systematically investigated. This study opens a new insight for designing catalysts with high photocatalytic performance through a convenient approach.
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Affiliation(s)
- Jushi Weng
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Jun Chen
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Yifei Xu
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Xinru Hu
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Chuangyun Guo
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Yang Yang
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Jingyi Sun
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China
| | - Lianshe Fu
- Department of Physics, Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Qing Wang
- School of Petrochemical Engineering, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, PR China.
| | - Jiamin Wei
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China.
| | - Tinghai Yang
- School of Chemistry & Chemical Engineering, Jiangsu Laboratory of Precious Metals Processing Technology and Application, Jiangsu University of Technology, Changzhou 213001, PR China.
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Jin S, Li C, Miao J, Sun J, Yang Z, Cao X, Sun K, Liu X, Ma L, Xu X, Liu Z. Sociodemographic Factors Predict Incident Mild Cognitive Impairment: A Brief Review and Empirical Study. J Am Med Dir Assoc 2023; 24:1959-1966.e7. [PMID: 37716705 DOI: 10.1016/j.jamda.2023.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 09/18/2023]
Abstract
OBJECTIVES Mild cognitive impairment (MCI) is a transitional stage between normal cognitive aging and dementia that increases the risk of progressive cognitive decline. Early prediction of MCI could be beneficial for identifying vulnerable individuals in the community and planning primary and secondary prevention to reduce the incidence of MCI. DESIGN A narrative review and cohort study. SETTING AND PARTICIPANTS We review the MCI prediction based on the assessment of sociodemographic factors. We included participants from 3 surveys: 8915 from wave 2011/2012 of the China Health and Retirement Longitudinal Study (CHARLS), 9765 from the 2011 Chinese Longitudinal Healthy Longevity Survey (CLHLS), and 1823 from the 2014 Rugao Longevity and Ageing Study (RuLAS). METHODS We searched in PubMed, Embase, and Web of Science Core Collection between January 1, 2019, and December 30, 2022. To construct the composite risk score, a multivariate Cox proportional hazards regression model was used. The performance of the score was assessed using receiver operating characteristic (ROC) curves. Furthermore, the composite risk score was validated in 2 longitudinal cohorts, CLHLS and RuLAS. RESULTS We concluded on 20 articles from 892 available. The results suggested that the previous models suffered from several defects, including overreliance on cross-sectional data, low predictive utility, inconvenient measurement, and inapplicability to developing countries. Our empirical work suggested that the area under the curve for a 5-year MCI prediction was 0.861 in CHARLS, 0.797 in CLHLS, and 0.823 in RuLAS. We designed a publicly available online tool for this composite risk score. CONCLUSIONS AND IMPLICATIONS Attention to these sociodemographic factors related to the incidence of MCI can be beneficially incorporated into the current work, which will set the stage for better early prediction of MCI before its incidence and for reducing the burden of the disease.
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Affiliation(s)
- Shuyi Jin
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Chenxi Li
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jiani Miao
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jingyi Sun
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zhenqing Yang
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xingqi Cao
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kaili Sun
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaoting Liu
- School of Public Affairs, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lina Ma
- Department of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Xin Xu
- Department of Big Data in Health Science School of Public Health, and Center for Clinical Big Data and Analytics of the Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
| | - Zuyun Liu
- Institute of Wenzhou, Second Affiliated Hospital, and School of Public Health, the Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
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Wang J, Zhu M, Sun J, Feng L, Yang M, Sun B, Mao L. Gene therapy of adeno-associated virus (AAV) vectors in preclinical models of ischemic stroke. CNS Neurosci Ther 2023; 29:3725-3740. [PMID: 37551863 PMCID: PMC10651967 DOI: 10.1111/cns.14392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/15/2023] [Accepted: 07/27/2023] [Indexed: 08/09/2023] Open
Abstract
Stroke has been associated with devastating clinical outcomes, with current treatment strategies proving largely ineffective. Therefore, there is a need to explore alternative treatment options for addressing post-stroke functional deficits. Gene therapy utilizing adeno-associated viruses (AAVs) as a critical gene vector delivering genes to the central nervous system (CNS) gene delivery has emerged as a promising approach for treating various CNS diseases. This review aims to provide an overview of the biological characteristics of AAV vectors and the therapeutic advancements observed in preclinical models of ischemic stroke. The study further investigates the potential of manipulating AAV vectors in preclinical applications, emphasizing the challenges and prospects in the selection of viral vectors, drug delivery strategies, immune reactions, and clinical translation.
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Affiliation(s)
- Jing Wang
- Medical College of Qingdao UniversityQingdaoChina
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
| | - Mengna Zhu
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
| | - Jingyi Sun
- Department of Spinal SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanChina
| | - Lina Feng
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
| | - Mingfeng Yang
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
| | - Baoliang Sun
- Medical College of Qingdao UniversityQingdaoChina
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
| | - Leilei Mao
- Institute for Neurological Research, The Second Affiliated HospitalSchool of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical SciencesTaianChina
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20
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Wang M, Wan H, Wang Y, Yuan H, Ni Q, Sun B, Sun J, Wang Y. A Microfluidics-Based Multiplex SERS Immunoassay Device for Analysis of Acute Ischemic Stroke Biomarkers. Transl Stroke Res 2023:10.1007/s12975-023-01204-x. [PMID: 37987987 DOI: 10.1007/s12975-023-01204-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/16/2023] [Accepted: 10/18/2023] [Indexed: 11/22/2023]
Abstract
Sensitive and accurate methods for early detection of acute ischemic stroke (AIS) are essential for timely treatment and prognostic assessment of patients. In this study, we report a microfluidics-based ultrasensitive surface-enhanced Raman scattering (SERS) immunoassay device for the quantitative determination of multiplex biomarkers in AIS. By preparing 5,5'-dithiobis-2-nitrobenzoic acid (DTNB) antibody-modified gold nanoparticles (AuNPs) on SERS devices as SERS probes, the biomarkers in whole blood of AIS were accurately captured and further visualized for SERS signal intensity quantitative analysis of six biomarkers in the blood samples. It is worth mentioning that the limit of detection (LOD) of the method can reach the level of fg/mL, with excellent sensitivity and selectivity. Meanwhile, the analytical comparison with ELISA method showed that the detection results of both methods were consistent, which verified the feasibility of the assembled device. The SERS immunoassay device detection provides a powerful strategy for the prediction, early diagnosis and dynamic monitoring of prognosis of AIS with a wide range of clinical practice prospects.
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Affiliation(s)
- Mengyue Wang
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, China
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China
| | - Huiyu Wan
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China
| | - Yanjiao Wang
- School of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Hui Yuan
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China
| | - Qingbin Ni
- Postdoctoral Workstation, Taian Central Hospital, Taian, 271000, Shandong, China
| | - Baoliang Sun
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, China.
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China.
| | - Jingyi Sun
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China.
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
| | - Ying Wang
- Shandong First Medical University & Shandong Academy of Medical Sciences, The Second Affiliated Hospital, Taian, 271000, Shandong, China.
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Wu D, Liu B, Wu Y, Wang Y, Sun J, Yang J, Duan J, Liu G, Cao K, Zhang Y, Rong P. Meniere Disease treated with transcutaneous auricular vagus nerve stimulation combined with betahistine Mesylate: A randomized controlled trial. Brain Stimul 2023; 16:1576-1584. [PMID: 37838094 DOI: 10.1016/j.brs.2023.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 09/05/2023] [Accepted: 10/03/2023] [Indexed: 10/16/2023] Open
Abstract
BACKGROUND Meniere Disease is a clinical condition defined by hearing loss, tinnitus, and aural fullness symptoms, there are currently no any medications approved for its treatment. OBJECTIVE To determine whether taVNS as an adjunctive therapy could relieve symptoms and improve the quality of life in patients with Meniere disease. METHODS In this Single-center, single blind, randomized trial, participants were assigned to transcutaneous auricular vagus nerve stimulation (taVNS) group and sham taVNS group. The primary outcome measures comprised Tinnitus Handicap Inventory, Dizziness Handicap Inventory, Pure Tone Auditory, Visual analogue scale of aural fullness. Secondary outcome measures comprised the 36-Item Short Form Health Survey, video head impulse test, and the caloric test. RESULTS After 12 weeks, the THI (-11.00, 95%CI, -14.87 to -7.13; P < 0.001), DHI (-47.26, 95%CI, -50.23 to -44.29; P < 0.001), VAS of aural fullness (-2.22, 95%CI, -2.95 to -1.49; P<0.01), and Pure Tone Thresholds (-7.07, 95%CI, -9.07 to -5.06; P<0.001) were significantly differed between the two groups. In addition, SF36(14.72, 95%CI, 11.06 to 18.39; P < 0.001), vHIT (RD, 0.26, 95 % CI, -0.44 to -0.08, RR, 0.43, 95 % CI, 0.22 to 0.83, P < 0.01), and the caloric test (RD, -0.24, 95 % CI, -0.43 to -0.04, RR, 0.66, 95 % CI, 0.44 to 0.95, P = 0.02) have significant difference between two group, respectively. CONCLUSIONS These findings suggest that taVNS combined with Betahistine Mesylate relieve symptoms and improve the quality of life for patients with Meniere Disease. taVNS can be considered an adjunctive therapy in treatment of Meniere Disease. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT05328895.
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Affiliation(s)
- Dong Wu
- Department of Traditional Chinese Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing, China; Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Bo Liu
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China; Beijing Institute of Otolaryngology, Key Laboratory of Otolaryngology Head and Neck Surgery (Capital Medical University), Ministry of Education, Beijing, China
| | - Yunqing Wu
- Department of Neurology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Yu Wang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jingyi Sun
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jun Yang
- Beijing Institute of Otolaryngology, Key Laboratory of Otolaryngology Head and Neck Surgery (Capital Medical University), Ministry of Education, Beijing, China
| | - Jinping Duan
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Gang Liu
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Kai Cao
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Yi Zhang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China; Beijing Institute of Otolaryngology, Key Laboratory of Otolaryngology Head and Neck Surgery (Capital Medical University), Ministry of Education, Beijing, China
| | - Peijing Rong
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China.
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22
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Sun J, Jiang Y, Li L, Li R, Ling F, Du X, Han Q, Chu S, Liang Y, Mai L, Ma L. HMGB1/RAGE Signaling Regulates Th17/IL-17 and Its Role in Bronchial Epithelial-Mesenchymal Transformation. Curr Mol Med 2023:CMM-EPUB-135693. [PMID: 37921188 DOI: 10.2174/0115665240249953231024060610] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 09/24/2023] [Accepted: 09/25/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Airway remodeling is one of the reasons for severe steroidresistant asthma related to HMGB1/RAGE signaling or Th17 immunity. OBJECTIVE Our study aims to investigate the relationship between the HMGB1/RAGE signaling and the Th17/IL-17 signaling in epithelial-mesenchymal transformation (EMT) of airway remodeling. METHODS CD4+ T lymphocytes were collected from C57 mice. CD4+ T cell and Th17 cell ratio was analyzed by flow cytometry. IL-17 level was detected by ELISA. The Ecadherin and α-SMA were analyzed by RT-qPCR and immunohistochemistry. The Ecadherin, α-SMA, and p-Smad3 expression were analyzed by western blot. RESULTS The HMGB1/RAGE signaling promoted the differentiation and maturation of Th17 cells in a dose-dependent manner in vitro. The HMGB1/RAGE signaling also promoted the occurrence of bronchial EMT. The EMT of bronchial epithelial cells was promoted by Th17/IL-17 and the HMGB1 treatment in a synergic manner. Silencing of RAGE reduced the signaling transduction of HMGB1 and progression of bronchial EMT. CONCLUSION HMGB1/RAGE signaling synergistically enhanced TGF-β1-induced bronchial EMT by promoting the differentiation of Th17 cells and the secretion of IL-17.
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Affiliation(s)
- Jingyi Sun
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Yan Jiang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Linqiao Li
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Rou Li
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Feixiang Ling
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Xiaojing Du
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Qian Han
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Shuyuan Chu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Yaxi Liang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Lin Mai
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
| | - Libing Ma
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, 541001, China
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Abstract
Alzheimer's disease (AD), the most common type of dementia, is a neurodegenerative disorder characterized by progressive cognitive dysfunction. Epidemiological investigation has demonstrated that, after cardiovascular and cerebrovascular diseases, tumors, and other causes, AD has become a major health issue affecting elderly individuals, with its mortality rate acutely increasing each year. Regulatory cell death is the active and orderly death of genetically determined cells, which is ubiquitous in the development of living organisms and is crucial to the regulation of life homeostasis. With extensive research on regulatory cell death in AD, increasing evidence has revealed that ferroptosis, pyroptosis, and cuproptosis are closely related to the occurrence, development, and prognosis of AD. This paper will review the molecular mechanisms of ferroptosis, pyroptosis, and cuproptosis and their regulatory roles in AD to explore potential therapeutic targets for the treatment of AD.
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Affiliation(s)
- Qi Wang
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Jingyi Sun
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Tian Chen
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Siyu Song
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Yajun Hou
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Lina Feng
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Cundong Fan
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Mingquan Li
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
- Department of Neurology, The Third Affiliated Clinical Hospital of the Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
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Sun J, Garg S, Waite TD. A Novel Integrated Flow-Electrode Capacitive Deionization and Flow Cathode System for Nitrate Removal and Ammonia Generation from Simulated Groundwater. Environ Sci Technol 2023; 57:14726-14736. [PMID: 37721968 DOI: 10.1021/acs.est.3c03922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Electrochemical reduction of nitrate is a promising method for the removal of nitrate from contaminated groundwater. However, the presence of hardness cations (Ca2+ and Mg2+) in groundwaters hampers the electroreduction of nitrate as a result of the precipitation of carbonate-containing solids of these elements on the cathode surface. Thus, some pretreatment process is required to remove unwanted hardness cations. Herein, we present a proof-of-concept of a novel three-chambered flow electrode unit, constituting a flow electrode capacitive deionization (FCDI) unit and a flow cathode (FC) unit, which achieves cation removal, nitrate capture and reduction, and ammonia generation in a single cell without the need for any additional chemicals/electrolyte. The addition of the FCDI unit not only achieves removal of hardness cations but also concentrates the nitrate ions and other anions, which facilitates nitrate reduction in the subsequent FC unit. Results show that the FCDI cell voltage influences electrode stability but has a minimal impact on the overall nitrate removal performance. The concentration of coexisting anions influences the nitrate removal due to competitive sorption of anions on the electrode surface. Our results further show that stable electrochemical performance was obtained over 26 h of operation. Overall, this study provides a scalable strategy for continuous nitrate electroreduction and ammonia generation from nitrate contaminated groundwaters containing hardness ions.
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Affiliation(s)
- Jingyi Sun
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Shikha Garg
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - T David Waite
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province 214206, P. R. China
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Li C, Lang J, Wang Y, Cheng Z, Zu M, Li F, Sun J, Deng Y, Ji T, Nie G, Zhao Y. Self-assembly of CXCR4 antagonist peptide-docetaxel conjugates for breast tumor multi-organ metastasis inhibition. Acta Pharm Sin B 2023; 13:3849-3861. [PMID: 37719382 PMCID: PMC10501865 DOI: 10.1016/j.apsb.2023.03.024] [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: 12/11/2022] [Revised: 03/10/2023] [Accepted: 03/15/2023] [Indexed: 04/03/2023] Open
Abstract
As a representative chemotherapeutic drug, docetaxel (DTX) has been used for breast cancer treatment for decades. However, the poor solubility of DTX limits its efficacy, and the DTX based therapy increases the metastasis risk due to the upregulation of C-X-C chemokine receptor type 4 (CXCR4) expression during the treatment. Herein, we conjugated CXCR4 antagonist peptide (CTCE) with DTX (termed CTCE-DTX) as an anti-metastasis agent to treat breast cancer. CTCE-DTX could self-assemble to nanoparticles, targeting CXCR4-upregulated metastatic tumor cells and enhancing the DTX efficacy. Thus, the CTCE-DTX NPs achieved promising efficacy on inhibiting both bone-specific metastasis and lung metastasis of triple-negative breast cancer. Our work provided a rational strategy on designing peptide-drug conjugates with synergistic anti-tumor efficacy.
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Affiliation(s)
- Chen Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiayan Lang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yazhou Wang
- Pancreas Centre, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Zhaoxia Cheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Mali Zu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fenfen Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jingyi Sun
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yating Deng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tianjiao Ji
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center of Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Yu Y, Dong H, Zhang Y, Sun J, Li B, Chen Y, Feng M, Yang X, Gao S, Jiang W. Correction: MicroRNA-223 downregulation promotes HBx-induced podocyte pyroptosis by targeting the NLRP3 inflammasome. Arch Virol 2023; 168:233. [PMID: 37608230 DOI: 10.1007/s00705-023-05858-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Affiliation(s)
- Yani Yu
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Hui Dong
- Health Management Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Yue Zhang
- Department of Stomatology, Qingdao Municipal Hospital Group, Qingdao, 266003, Shandong, China
| | - Jingyi Sun
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Baoshuang Li
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Yueqi Chen
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Moxuan Feng
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Xiaoqian Yang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Shengbo Gao
- Department of Nephrology, The People's Hospital of Changle County, Weifang, 262400, Shandong, China
| | - Wei Jiang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China.
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Chen T, Shang X, Sun J, Zheng P, Xu R. Dielectrophoretic liquid lens driven by interdigitated sidewall electrodes. Opt Lett 2023; 48:4193-4196. [PMID: 37581990 DOI: 10.1364/ol.496395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/18/2023] [Indexed: 08/17/2023]
Abstract
This paper proposes a dielectrophoretic (DEP) liquid lens that is driven by interdigitated electrodes distributed on the sidewalls and has a structure similar to that of the electrowetting one produced by the company Corning. The interdigital electrodes are formed by winding double flexible wire electrodes wrapped in dielectric layers on the sidewall. Compared with the traditional planar electrode DEP lens, the proposed model ensures the stability of the optical axis of the liquid lens, simplifies the construction process of the interdigital electrode, realizes a continuous change in the focus from negative to positive, and reduces the response time. A truncated conical cavity dielectrophoretic liquid lens with an aperture of 5 mm is fabricated. When the voltage is 0-260 Vrms, it can reach shortest negative and positive focal lengths of -100 mm and 100 mm with a driving time of 190 ms and a relaxation time of 133 ms.
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28
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Han Q, Wang C, Liu J, Wang C, Zhang H, Ni Q, Sun J, Wang Y, Sun B. Application of Nanozymes and its Progress in the Treatment of Ischemic Stroke. Transl Stroke Res 2023:10.1007/s12975-023-01182-0. [PMID: 37555909 DOI: 10.1007/s12975-023-01182-0] [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: 03/01/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 08/10/2023]
Abstract
Nanozymes are a new kind of material which has been applied since the beginning of this century, and its birth has promoted the development of chemistry, materials science, and biology. Nanozymes can be used as a substitute for natural enzyme and has a wide range of applications; therefore, it has attracted extensive attention from all sectors of the community, and the number of studies has constantly increasing. In this paper, we introduced the outstanding achievements in the field of nanozymes in recent years from the main function, the construction of nanozyme-based biosensors, and the treatment of ischemic stroke, and we also illustrated the internal mechanism and the catalytic principle. In the end, the obstacles and challenges in the future development of nanozymes were proposed.
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Affiliation(s)
- Qing Han
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, China
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Chengcheng Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Jian Liu
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Cai Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Hongming Zhang
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, China
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Qingbin Ni
- Postdoctoral Workstation, Taian Central Hospital, Taian, 271000, Shandong, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
| | - Ying Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
| | - Baoliang Sun
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, Shandong, China.
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
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Cui NX, Ye L, Sun JY. [Attach importance to the moderate diagnosis and treatment of multiple pulmonary nodules]. Zhonghua Yu Fang Yi Xue Za Zhi 2023; 57:1181-1185. [PMID: 37574310 DOI: 10.3760/cma.j.cn112150-20230130-00064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
With the popularization of chest computed tomography examination in physical examination, the detection rate of multiple pulmonary nodules has significantly increased. However, there are no unified guidelines or consensus for the diagnosis and treatment of multiple pulmonary nodules, and the clinical diagnosis and treatment of such patients are often inadequate or excessive. Therefore, it is of great clinical significance to attach importance to the moderate diagnosis and treatment of multiple pulmonary nodules and formulate unified clinical practice standards for the prevention of lung cancer and the diagnosis and treatment of multiple pulmonary nodules.
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Affiliation(s)
- N X Cui
- Department of Respiratory Endoscopy,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China Department of Respiratory and Critical Care Medicine,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
| | - L Ye
- Department of Respiratory Endoscopy,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China Department of Respiratory and Critical Care Medicine,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
| | - J Y Sun
- Department of Respiratory Endoscopy,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China Department of Respiratory and Critical Care Medicine,Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
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30
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Chen Q, Wu GH, Huang T, Zou LP, Liang L, Wu SX, Tang SJ, Lu XL, Sun JY, Dai L, He W. [Risk factors for pulmonary atelectasis in adults with tracheobronchial tuberculosis]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:674-679. [PMID: 37402657 DOI: 10.3760/cma.j.cn112147-20230120-00032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
Objective: To investigate the risk factors for pulmonary atelectasis in adults with tracheobronchial tuberculosis(TBTB). Methods: Clinical data of adult patients (≥18 years old) with TBTB from February 2018 to December 2021 in Public Health Clinical Center of Chengdu were retrospectively analyzed. A total of 258 patients were included, with a male to female ratio of 1∶1.43. The median age was 31(24, 48) years. Clinical data including clinical characteristics, previous misdiagnoses/missed diagnoses before admission, pulmonary atelectasis, the time from symptom onset to atelectasis and bronchoscopy, bronchoscopy and interventional treatment were collected according to the inclusion and exclusion criteria. Patients were divided into two groups according to whether they had pulmonary atelectasis. Differences between the two groups were compared. Binary logistic regression was used to analyze the risk factors for pulmonary atelectasis. Results: The prevalence of pulmonary atelectasis was 14.7%, which was most common in the left upper lobe (26.3%). The median time from symptom onset to atelectasis was 130.50(29.75,358.50)d, and the median time from atelectasis to bronchoscopy was 5(3,7)d. The median age, the proportion of misdiagnosis of TBTB before admission, and the time from symptom onset to bronchoscopy in the atelectasis group were higher than those without atelectasis, and the proportion of receiving bronchoscopy examination and interventional therapy previously, and the proportion of pulmonary cavities were lower than those without atelectasis (all P<0.05). The proportions of cicatrices stricture type and lumen occlusion type in the atelectasis group were higher than those without atelectasis, while the proportions of inflammatory infiltration type and ulceration necrosis type were lower than those without atelectasis (all P<0.05). Older age (OR=1.036, 95%CI: 1.012-1.061), previous misdiagnosis(OR=2.759, 95%CI: 1.100-6.922), longer time from symptom onset to bronchoscopy examination (OR=1.002, 95%CI: 1.000-1.005) and cicatrices stricture type (OR=2.989, 95%CI: 1.279-6.985) were independent risk factors for pulmonary atelectasis in adults with TBTB (all P<0.05). Of the patients with atelectasis who underwent bronchoscopy interventional therapy, 86.7% had lung reexpansion or partial reexpansion. Conclusions: The prevalence of pulmonary atelectasis is 14.7% in adult patients with TBTB. The most common site of atelectasis is left upper lobe. The TBTB type of lumen occlusion is complicated by pulmonary atelectasis in 100% of cases. Being older, misdiagnosed as other diseases, longer time from onset of symptoms to bronchoscopy examination, and being the cicatrices stricture type are factors for developing pulmonary atelectasis. Early diagnosis and treatment are needed to reduce the incidence of pulmonary atelectasis and increase the rate of pulmonary reexpansion.
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Affiliation(s)
- Q Chen
- The 3rdDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - G H Wu
- The 4thDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - T Huang
- The 5thDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - L P Zou
- The 4thDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - L Liang
- The 4thDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - S X Wu
- The 4thDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - S J Tang
- Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - X L Lu
- The 3rdDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - J Y Sun
- The 3rdDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - L Dai
- The 3rdDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
| | - W He
- The 3rdDepartment of Tuberculosis, Public Health Clinical Center of Chengdu, Chengdu 610000, China
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Abstract
Stroke is a disease with high disability and high mortality in the world. Due to the existence of the blood-brain barrier (BBB), complex brain structure, and numerous neural signal pathways, the treatment methods are limited, so new drugs and new treatments need to be developed urgently. Thankfully, the advent of nanotechnology offered a new opportunity for biomedical development because of the unique properties of nanoparticles that give them the ability to traverse the BBB and accumulate in relevant regions of the brain. More importantly, nanoparticles could be modified on the surface to meet a variety of specific properties that people need. Some could be used for effective drug delivery, including tissue plasminogen activator (tPA), neuroprotective agents, genes, and cytokines; some nanoparticles were used as contrast agents and biosensors in medical imaging for further diagnosis of stroke; some were used to track target cells for prognosis of stroke; and some were used to detect pathological markers of stroke that appear at different stages. This Review looks at the application and research progress of nanoparticles in the diagnosis and treatment of stroke, hoping to bring some help to researchers.
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Affiliation(s)
- Cai Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250021, China
| | - Qian Chen
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jixiang Chen
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Huiyu Wan
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Qingbin Ni
- Postdoctoral Workstation,Taian Central Hospital, Taian, Shandong 271000, China
| | - Hui Yuan
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jingguo Wu
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Ying Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Baoliang Sun
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
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Yang MF, Sun SY, Lv HG, Wang WQ, Li HX, Sun JY, Zhang ZY. Ravoxertinib Improves Long-Term Neurologic Deficits after Experimental Subarachnoid Hemorrhage through Early Inhibition of Erk1/2. ACS Omega 2023; 8:19692-19704. [PMID: 37305289 PMCID: PMC10249378 DOI: 10.1021/acsomega.3c01296] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 05/09/2023] [Indexed: 06/13/2023]
Abstract
Extracellular signal-regulated kinase 1 and 2 (Erk1/2) signaling has been shown to be involved in brain injury after subarachnoid hemorrhage (SAH). A first-in-human phase I study reported that ravoxertinib hydrochloride (RAH), a novel Erk1/2 inhibitor, has an acceptable safety profile and pharmacodynamic effects. Here, we showed that the level of Erk1/2 phosphorylation (p-Erk1/2) was significantly increased in the cerebrospinal fluid (CSF) of aneurysmal subarachnoid hemorrhage (aSAH) patients who developed poor outcomes. In a rat SAH model that was produced by the intracranial endovascular perforation method, western blot observed that the level of p-Erk1/2 was also increased in the CSF and basal cortex, showing a similar trend with aSAH patients. Immunofluorescence and western blot indicated that RAH treatment (i.c.v injection, 30 min post-SAH) attenuates the SAH-induced increase of p-Erk1/2 at 24 h in rats. RAH treatment can improve experimental SAH-induced long-term sensorimotor and spatial learning deficits that are evaluated by the Morris water maze, rotarod test, foot-fault test, and forelimb placing test. Moreover, RAH treatment attenuates neurobehavioral deficits, the blood-brain barrier damage, and cerebral edema at 72 h after SAH in rats. Furthermore, RAH treatment decreases the SAH-elevated apoptosis-related factor active caspase-3 and the necroptosis-related factor RIPK1 expression at 72 h in rats. Immunofluorescence analysis showed that RAH attenuated neuronal apoptosis but not neuronal necroptosis in the basal cortex at 72 h after SAH in rats. Altogether, our results suggest that RAH improves long-term neurologic deficits through early inhibition of Erk1/2 in experimental SAH.
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Affiliation(s)
- Ming-feng Yang
- Department
of Neurology, Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical
Sciences, Tai’an 271016 Shandong, People’s Republic of China
| | - Sheng-yao Sun
- Department
of Neurology, Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical
Sciences, Tai’an 271016 Shandong, People’s Republic of China
| | - Hai-guang Lv
- Department
of Neurology, Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical
Sciences, Tai’an 271016 Shandong, People’s Republic of China
| | - Wei-qi Wang
- Shandong
Provincial Hospital Affiliated to Shandong First Medical University, Ji’nan 250021, Shandong, People’s
Republic of China
| | - Han-xia Li
- Department
of Neurology, Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical
Sciences, Tai’an 271016 Shandong, People’s Republic of China
| | - Jing-yi Sun
- Shandong
Provincial Hospital Affiliated to Shandong First Medical University, Ji’nan 250021, Shandong, People’s
Republic of China
| | - Zong-yong Zhang
- Department
of Neurology, Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical
Sciences, Tai’an 271016 Shandong, People’s Republic of China
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Wang C, Chen J, Wu J, Wan H, Yue Q, Sun B, Wang Y, Xiao Q, Sun J. Label-free SERS ultrasensitive and universal detection of low back pain fingerprint based on SERS substrate. Analyst 2023. [PMID: 37265383 DOI: 10.1039/d3an00097d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Low back pain (LBP) seriously endangers human health and quality of life, and the detection of thoracolumbar fasciitis (TLF) is vital for the prevention and treatment of LBP. Surface-enhanced Raman scattering (SERS) is considered as a powerful technique for fingerprint detection due to the inherent richness of the spectral data. In this work, a novel SERS strategy based on a three-dimensional substrate was developed for fingerprint analysis for early diagnosis of TLF. A rat TLF model was established and the model was evaluated from the immunological and behavioral perspectives. Vibrational fingerprints were obtained by SERS testing of isolated fascial tissue and were used to explore the material changes during fasciitis. SERS spectra were analyzed using principal component analysis (PCA) that allowed unambiguous distinction and monitoring of component changes during TLF. Furthermore, in order to further clarify the occurrence and development of TLF, we combined clinical samples for analysis, and investigated the inflammatory factor expression levels of CRP and SAA in TLF. Our results demonstrated that tryptophan, phenylalanine and glycogen could unambiguously distinguish TLF as confirmed by SERS analysis, a method that is capable of noninvasive characterization of and diagnosis of TLF during LBP. We have provided a new tool that may promote in-depth study of the mechanism and treatment of fasciitis.
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Affiliation(s)
- Cai Wang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Jixiang Chen
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Jingguo Wu
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Huiyu Wan
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Qianwen Yue
- Taishan Vocational College of Nursing, Taian, Shandong, 271000, China
| | - Baoliang Sun
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Ying Wang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Qiang Xiao
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, 250021, China
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Zhao C, Sun J, Shen Y, Xia Z, Hu M, Wu T, Zhuang M, Li Y, Tong Y, Yang J, Zhang J, He P. Removable carbon and storage carbon of golden tides. Mar Pollut Bull 2023; 191:114974. [PMID: 37116250 DOI: 10.1016/j.marpolbul.2023.114974] [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: 01/18/2023] [Revised: 04/15/2023] [Accepted: 04/18/2023] [Indexed: 05/13/2023]
Abstract
Due to ever-increasing global warming, ocean acidification, and inshore eutrophication, the outbreak of golden tides with Sargassum horneri has increased in the Yellow sea, where the biomass carbon enters three main carbon pathways: a. Removal of carbon from seawater by salvage, known as removable carbon; b. Biomass carbon is deposited to the seafloor through POC and RDOC through Biological Carbon Pump and Microbial Carbon Pump; c. Re-entering the carbon cycle through the food chain or re-entering the atmosphere through the action of microbes. Estimating carbon fixation (removable carbon) and storage (particulate organic carbon (POC) and refractory dissolved organic carbon (RDOC)) is vital in studying the global carbon cycle. In this research, it was observed that the C content of S. horneri was high, and the utilization rate of dissolved organic carbon (DOC), RDOC, and POC was also high in the eutrophication environment, where only 2.71 % of algal biomass carbon was converted to RDOC, and only 0.20 % converted to POC. The C + N + P combination has a restart effect on the seasonal accumulation of RDOC in relevant sea areas. It is suggested that the salvage and resource utilization should be strengthened to effectively control the golden tide and reduce the substantial economic losses to realize the win-win situation of carbon sink and environmental restoration.
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Affiliation(s)
- Chunyan Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jingyi Sun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yifei Shen
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Zhangyi Xia
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Meijuan Hu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Tingjian Wu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Minmin Zhuang
- State Key Lab of Estuarine & Coastal Research, East China Normal University, Shanghai 200062, China
| | - Yaru Li
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yupei Tong
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jia Yang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jianheng Zhang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Peimin He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
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35
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Sun J, Fang D, Wang Z, Liu Y. Sleep Deprivation and Gut Microbiota Dysbiosis: Current Understandings and Implications. Int J Mol Sci 2023; 24:ijms24119603. [PMID: 37298553 DOI: 10.3390/ijms24119603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Gut microbiota comprises the microbial communities inhabiting our gastrointestinal (GI) tracts. Accordingly, these complex communities play a fundamental role in many host processes and are closely implicated in human health and diseases. Sleep deprivation (SD) has become increasingly common in modern society, partly owing to the rising pressure of work and the diversification of entertainment. It is well documented that sleep loss is a significant cause of various adverse outcomes on human health including immune-related and metabolic diseases. Furthermore, accumulating evidence suggests that gut microbiota dysbiosis is associated with these SD-induced human diseases. In this review, we summarize the gut microbiota dysbiosis caused by SD and the succedent diseases ranging from the immune system and metabolic system to various organs and highlight the critical roles of gut microbiota in these diseases. The implications and possible strategies to alleviate SD-related human diseases are also provided.
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Affiliation(s)
- Jingyi Sun
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
| | - Dan Fang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
| | - Zhiqiang Wang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
| | - Yuan Liu
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
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36
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Li F, Cheng Z, Sun J, Cheng X, Li C, Wu Z, Qi F, Zhao Y, Nie G. The Combination of Sinusoidal Perfusion Enhancement and Apoptosis Inhibition by Riociguat Plus a Galactose-PEGylated Bilirubin Multiplexing Nanomedicine Ameliorates Liver Fibrosis Progression. Nano Lett 2023; 23:4126-4135. [PMID: 37155569 DOI: 10.1021/acs.nanolett.2c04726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Chronic liver injury and continuous wound healing lead to extracellular matrix (ECM) deposition and liver fibrosis. The elevated production of reactive oxygen species (ROS) in the liver leads to the apoptosis of hepatocytes and the activation of hepatic stellate cells (HSCs). In the current study, we describe a combination strategy of sinusoidal perfusion enhancement and apoptosis inhibition enabled by riociguat together with a tailor-designed galactose-PEGylated bilirubin nanomedicine (Sel@GBRNPs). Riociguat enhanced sinusoidal perfusion and decreased the associated ROS accumulation and inflammatory state of the fibrotic liver. Concurrently, hepatocyte-targeting galactose-PEGylated bilirubin scavenged excessive ROS and released encapsulated selonsertib. The released selonsertib inhibited apoptosis signal-regulating kinase 1 (ASK1) phosphorylation to alleviate apoptosis in hepatocytes. The combined effects on ROS and hepatocyte apoptosis attenuated the stimulation of HSC activation and ECM deposition in a mouse model of liver fibrosis. This work provides a novel strategy for liver fibrosis treatment based on sinusoidal perfusion enhancement and apoptosis inhibition.
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Affiliation(s)
- Fenfen Li
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhaoxia Cheng
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Jingyi Sun
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoyu Cheng
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chen Li
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhouliang Wu
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Feilong Qi
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Zhao
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangjun Nie
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- GBA Research Innovation Institute for Nanotechnology, Guangzhou 510530, China
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37
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Zhang M, Yu M, Guo R, Zhang Y, Zhang X, Sun J, Zhang J, Wang X, Ma J. Human induced pluripotent stem cell (iPSC) line (HEBHMUi014-A) derived from a patient with Alzheimer's disease. Stem Cell Res 2023; 69:103116. [PMID: 37178573 DOI: 10.1016/j.scr.2023.103116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/22/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
The ε4 allele of the lipoprotein E gene (APOE4) is the strongest genetic risk factor associated with sporadic Alzheimer's disease (sAD). While the neuronal cell type-specific function of APOE4 in connection with AD pathology remains understudied. Therefore, we generated an induced pluripotent stem cells (iPSCs) line from a 77-year-old female donor with ApoE4 genetic background. We reprogrammed peripheral blood mononuclear cells (PBMCs) with non-integrative Sendai viral vectors containing reprogramming factors. Established iPSCs showed the capability of pluripotency, three-germ differentiation in vitro with normal karyotype. Hence, the generated iPSC could be a powerful tool to conduct further studies of AD mechanisms.
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Affiliation(s)
- Mingjing Zhang
- Child Health (Psychological Behavior) Department, Hebei Children's Hospital, Hebei Province 050017, China
| | - Mei Yu
- Prenatal Diagnosis Center, Shijiazhuang Obstetrics and Gynecology Hospital, Key Laboratory of Maternal and Fetal Medicine of Hebei Province, Shijiazhuang, Hebei, 050011, China
| | - Ruiyun Guo
- Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China
| | - Yunfei Zhang
- Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China; Emergency Department, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province 050000, China
| | - Xiaohan Zhang
- Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China
| | - Jingyi Sun
- Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China
| | - Jing Zhang
- Prenatal Diagnosis Center, Shijiazhuang Obstetrics and Gynecology Hospital, Key Laboratory of Maternal and Fetal Medicine of Hebei Province, Shijiazhuang, Hebei, 050011, China; Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China
| | - Xia Wang
- Child Health (Psychological Behavior) Department, Hebei Children's Hospital, Hebei Province 050017, China; Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China.
| | - Jun Ma
- Hebei Medical University, University of Galway Stem Cell Research Center, Hebei Medical University, Hebei Province 050017, China; Hebei Research Center for Stem Cell Medical Translational Engineering, Hebei Province 050017, China.
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Sun J, Shao X, Huang J, Gong M, Zhang J, Yuan Z. Multiple toxicity evaluations of perfluorooctane sulfonate on intact planarian Dugesia japonica. Environ Sci Pollut Res Int 2023; 30:60932-60945. [PMID: 37042918 DOI: 10.1007/s11356-023-26842-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/03/2023] [Indexed: 05/10/2023]
Abstract
Perfluorooctane sulfonate (PFOS) is gaining widespread attention as a persistent organic pollutant with multiple mechanisms of toxicity. In this study, PFOS at different concentrations and different exposure times was used to evaluate the multiple toxicities on intact planarian Dugesia japonica. The proliferation of neoblasts, apoptosis, DNA damage and the expression levels of neuronal genes and the major genes of the Wnt pathway were effectively studied. The results demonstrated that the balance between proliferation and apoptosis of intact planarian cells was disrupted after PFOS exposure, which in turn affected tissue homeostasis and differentiation. PFOS exposure led to increased DNA damage and altered neuronal gene expression. In addition, PFOS exposure could down-regulate the expression of Wnt pathway genes, but the inhibition of the Wnt pathway by PFOS was time- and concentration-dependent. These findings suggest that PFOS has multiple toxic effects on planarians and may interfere with cell proliferation and neurodevelopment by affecting the key gene expression in the Wnt pathway, providing estimable information on the neurodevelopmental toxicity and ecotoxicity of PFOS toxicity in aquatic animals and environments.
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Affiliation(s)
- Jingyi Sun
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China
| | - Xinxin Shao
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China
| | - Jinying Huang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China
| | - Mengxin Gong
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China
| | - Jianyong Zhang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China
| | - Zuoqing Yuan
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, Shandong, China.
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Gao X, Zhang W, Sun J, Adeloye D, Jin H, Rudan I, Song P, Jin M. Lifetime prevalence and adherence rate of cervical cancer screening among women living with HIV: a systematic review and meta-analysis. J Int AIDS Soc 2023; 26:e26090. [PMID: 37247380 DOI: 10.1002/jia2.26090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 04/25/2023] [Indexed: 05/31/2023] Open
Abstract
INTRODUCTION Women living with HIV (WLWH) are more likely to develop cervical cancer. Screening and available healthcare can effectively reduce its incidence and mortality rates. We aimed to summarize the lifetime prevalence and adherence rate of cervical cancer screening among WLWH across low- and middle-income countries (LMICs), and high-income countries (HICs). METHODS We systematically searched PubMed, Web of Science and Embase for studies published between database inception and 2 September 2022, without language or geographical restrictions. Those reporting the lifetime prevalence and/or adherence rate of cervical cancer screening among WLWH were included. Pooled estimates across LMICs and HICs were obtained using DerSimonian-Laird random-effects models. When the number of eligible studies was greater than 10, we further conducted stratified analyses by the World Health Organization (WHO) region, setting (rural vs. urban), investigation year, screening method, type of cervical cancer screening programme, age and education level. RESULTS Among the 63 included articles, 26 provided data on lifetime prevalence, 24 on adherence rate and 13 on both. The pooled lifetime prevalence in LMICs was 30.2% (95% confidence interval [CI]: 21.0-41.3), compared to 92.4% in HICs (95% CI: 89.6-94.6). The pooled adherence rate was 20.1% in LMICs (95% CI: 16.4-24.3) and 59.5% in HICs (95% CI: 51.2-67.2). DISCUSSION There was a large gap in cervical cancer screening among WLWH between LMICs and HICs. Further analysis found that those in LMICs had higher lifetime prevalence in subgroups with urban settings, with older age and with higher education levels; and those in HICs had higher adherence in subgroups with younger age and with higher education levels. CONCLUSIONS Cervical cancer screening among WLWH falls considerably short of the WHO's goal. There should be continuous efforts to further increase screening among these women, especially those residing in the rural areas of LMICs and with lower education levels.
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Affiliation(s)
- Xiangrong Gao
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wanting Zhang
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingyi Sun
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Davies Adeloye
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Huyi Jin
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Igor Rudan
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Peige Song
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mingjuan Jin
- Department of Public Health, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Liu J, Sun J, Song Y, Wang M, Zhao P, Wang W, Yang M, Wang Y, Song Y, Sun B. Prussian Blue Nanozyme Treatment of Ischemic Brain Injury via Reducing Oxidative Stress Inhibits Inflammation, Suppresses Apoptosis, and Promotes Neurological Recovery. ACS Chem Neurosci 2023. [PMID: 37038049 DOI: 10.1021/acschemneuro.3c00144] [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] [Indexed: 04/12/2023] Open
Abstract
Ischemic stroke is one of the leading causes of death and severe disability. The overproduction of reactive oxygen species (ROS) after ischemic injury causes a series of inflammatory reactions, which is considered to be the key factor in aggravating brain injury. However, the current clinical drug treatment effect is not satisfactory. Therefore, ROS scavengers that can remove excess ROS production have great therapeutic potential. Nanoenzymes with potent antioxidant stress and anti-inflammatory properties have the potential to treat ischemic stroke. Herein, we used a Prussian blue nanoenzyme (PBzyme) to study the treatment of ischemic stroke. The comprehensive effects of PBzyme on ROS in vivo and in vitro were investigated. Pbzyme inhibited the activation of macrophages and the release of inflammatory factors in the brain, promoted the polarization of microglia to M2, inhibited neuronal apoptosis, and promoted the recovery of neurological function after ischemic stroke. This research may provide a promising application for nanoenzymes to treat brain diseases.
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Affiliation(s)
- Jian Liu
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266021, China
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Yanan Song
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266021, China
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Mengyue Wang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Peng Zhao
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Wendi Wang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Mingfeng Yang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Ying Wang
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
| | - Yuqiang Song
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266021, China
| | - Baoliang Sun
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266021, China
- The Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong 271000, China
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Li F, Zhao Y, Cheng Z, Wang Y, Yue Y, Cheng X, Sun J, Atabakhshi-Kashi M, Yao J, Dou J, Yu J, Zhang X, Qi Y, Li X, Qi X, Nie G. Restoration of Sinusoid Fenestrae Followed by Targeted Nanoassembly Delivery of an Anti-Fibrotic Agent Improves Treatment Efficacy in Liver Fibrosis. Adv Mater 2023; 35:e2212206. [PMID: 36862807 DOI: 10.1002/adma.202212206] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/17/2023] [Indexed: 05/17/2023]
Abstract
During the onset of liver fibrosis, capillarized liver sinusoidal endothelial cells (LSECs) limit substance exchange between the blood and the Disse space, further accelerating hepatic stellate cell (HSCs) activation and fibrosis progression. Limited accessibility of therapeutics to the Disse space is often overlooked and remains a major bottleneck for HSCs-targeted therapy in liver fibrosis. Here, an integrated systemic strategy for liver fibrosis treatment is reported, utilizing pretreatment with the soluble guanylate cyclase stimulator, riociguat, followed by insulin growth factor 2 receptor-mediated targeted delivery of the anti-fibrosis agent, JQ1, via peptide-nanoparticles (IGNP-JQ1). The riociguat reversed the liver sinusoid capillarization to maintain a relatively normal LSECs porosity, thus facilitating the transport of IGNP-JQ1 through the liver sinusoid endothelium wall and enhancing the accumulation of IGNP-JQ1 in the Disse space. IGNP-JQ1 is then selectively taken up by activated HSCs, inhibiting their proliferation and decreasing collagen deposition in the liver. The combined strategy results in significant fibrosis resolution in carbon tetrachloride-induced fibrotic mice as well as methionine-choline-deficient-diet-induced nonalcoholic steatohepatitis (NASH) mice. The work highlights the key role of LSECs in therapeutics transport through the liver sinusoid. The strategy of restoring LSECs fenestrae by riociguat represents a promising approach for liver fibrosis treatment.
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Affiliation(s)
- Fenfen Li
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, P. R. China
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Henan Institute of Advanced Technology, Henan, 450003, P. R. China
| | - Ying Zhao
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhaoxia Cheng
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yazhou Wang
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yale Yue
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, P. R. China
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Henan Institute of Advanced Technology, Henan, 450003, P. R. China
| | - Xiaoyu Cheng
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jingyi Sun
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Mona Atabakhshi-Kashi
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jundong Yao
- Department of Interventional Ultrasound, 301 Hospital, 28 Fuxing Road, Beijing, 100853, P. R. China
| | - Jianping Dou
- Department of Interventional Ultrasound, 301 Hospital, 28 Fuxing Road, Beijing, 100853, P. R. China
| | - Jie Yu
- Department of Interventional Ultrasound, 301 Hospital, 28 Fuxing Road, Beijing, 100853, P. R. China
| | - Xiuping Zhang
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Faculty of Hepato-Biliary-Pancreatic Surgery, 301 Hospital, Beijing, 100853, P. R. China
- Institute of Hepatobiliary Surgery, 301 Hospital, Beijing, 100853, P. R. China
- Key Laboratory of Digital Hepatobiliary Surgery, 301 Hospital, Beijing, 100853, P. R. China
| | - Yingqiu Qi
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Xiaotian Li
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Kexue, Zhengzhou, Henan Province, 450001, P. R. China
| | - Xiaolong Qi
- Center of Portal Hypertension, Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, 210009, P. R. China
| | - Guangjun Nie
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, P. R. China
- CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Henan Institute of Advanced Technology, Henan, 450003, P. R. China
- GBA Research Innovation Institute for Nanotechnology, Guangzhou, 510530, P. R. China
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Fang D, Xu T, Sun J, Shi J, Li F, Yin Y, Wang Z, Liu Y. Nicotinamide Mononucleotide Ameliorates Sleep Deprivation-Induced Gut Microbiota Dysbiosis and Restores Colonization Resistance against Intestinal Infections. Adv Sci (Weinh) 2023; 10:e2207170. [PMID: 36698264 PMCID: PMC10037695 DOI: 10.1002/advs.202207170] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Indexed: 06/12/2023]
Abstract
Gut microbiota-mediated colonization resistance (CR) is crucial in protecting the host from intestinal infections. Sleep deprivation (SD) is an important contributor in the disturbances of intestinal homeostasis. However, whether and how SD affects host CR remains largely unknown. Here, it is shown that SD impairs intestinal CR in mice, whereas nicotinamide mononucleotide (NMN) supplementation restores it. Microbial diversity and metabolomic analyses suggest that gut microbiota and metabolite profiles in SD-treated mice are highly shaped, whereas NMN reprograms these differences. Specifically, the altered gut microbiota in SD mice further incurs the disorder of secondary bile acids pool accompanied by a decrease in deoxycholic acid (DCA). Conversely, NMN supplementation retakes the potential benefits of DCA, which is associated with specific gut microbiota involved in primary bile acids metabolic flux. In animal models of infection, DCA is effective in preventing and treating bacterial infections when used alone or in combination with antibiotics. Mechanistically, DCA alone disrupts membrane permeability and aggravates oxidative damage, thereby reducing intestinal pathogen burden. Meanwhile, exogenous DCA promotes antibiotic accumulation and destroys oxidant-antioxidant system, thus potentiating antibiotic efficacy. Overall, this work highlights the important roles of gut microbiota and bile acid metabolism in the maintenance of intestinal CR.
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Affiliation(s)
- Dan Fang
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Tianqi Xu
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Jingyi Sun
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Jingru Shi
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Fulei Li
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Yanqing Yin
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Zhiqiang Wang
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
- Jiangsu Co‐innovation Center for Prevention and Control of Important Animal Infectious Diseases and ZoonosesJoint International Research Laboratory of Agriculture and Agri‐Product Safety the Ministry of Education of ChinaYangzhou UniversityYangzhou225009P. R. China
- Institute of Comparative MedicineYangzhou UniversityYangzhou225009P. R. China
| | - Yuan Liu
- College of Veterinary MedicineYangzhou UniversityYangzhou225009P. R. China
- Jiangsu Co‐innovation Center for Prevention and Control of Important Animal Infectious Diseases and ZoonosesJoint International Research Laboratory of Agriculture and Agri‐Product Safety the Ministry of Education of ChinaYangzhou UniversityYangzhou225009P. R. China
- Institute of Comparative MedicineYangzhou UniversityYangzhou225009P. R. China
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Sun J, Li M, Xiong Y, Zhai L, Zhao J. Oxidative Stress Mediated by N6-Methyladenosine Methylation Contributes to High-Fat Diet Induced Male Reproductive Dysfunction. Mol Nutr Food Res 2023; 67:e2101052. [PMID: 36738079 DOI: 10.1002/mnfr.202101052] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 11/17/2021] [Revised: 10/26/2022] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To determine the mechanism of oxidative stress mediated by N6-methyladenosine (m6A) methylation contributing to high fat diet-induced reproductive dysfunction. RESULTS In vivo, compared with those in the Control group, the sperm count and sperm motility decrease significantly; the testosterone, luteinizing hormone levels, hyaluronidase, acrosomal enzyme levels, and total antioxidant capacity decrease significantly; malondialdehyde increases significantly in the DIO and DIO-R groups. The expression of nuclear factor erythroid 2-related factor 2 (Nrf2), superoxide dismutase 1 (SOD1), and NAD(P)H quinone dehydrogenase 1 (NQO1) decreases significantly in the DIO and DIO-R groups; m6A levels in testis tissue in the DIO and DIO-R groups increase; the enrichment of m6A-modified Nrf2 mRNA in testis in the DIO group and DIO-R group increases significantly. Also the m6A regulatory proteins increase significantly in the DIO group and DIO-R group. In vitro, compared to palmitic acid treated cells, the reactive oxygen species (ROS) level significantly decreases in STM2457, S-Adenosylhomocysteine treated cells and YTHDC2, YTHDF2 gene silence cells; however, Nrf2 expression increases in all treated cells. In addition, m6A expression decreases. CONCLUSIONS Oxidative stress mediates by methylation of m6A may contribute to high fat diet-induced male reproductive dysfunction.
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Affiliation(s)
- Jingyi Sun
- Department of Pharmacology, Shenyang Pharmaceutical University, No.103, Wenhua Rd, Shenhe Dist, Shenyang, 110016, China
| | - Mujiao Li
- Department of Pharmacology, Shenyang Pharmaceutical University, No.103, Wenhua Rd, Shenhe Dist, Shenyang, 110016, China
| | - Yuting Xiong
- Department of Pharmacology, Shenyang Pharmaceutical University, No.103, Wenhua Rd, Shenhe Dist, Shenyang, 110016, China
| | - Lingling Zhai
- Department of Maternal and Child Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenbei District, Shenyang, 110122, China
| | - Jian Zhao
- Department of Pharmacology, Shenyang Pharmaceutical University, No.103, Wenhua Rd, Shenhe Dist, Shenyang, 110016, China
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Gao F, Sun J, Yao M, Song Y, Yi H, Yang M, Ni Q, Kong J, Yuan H, Sun B, Wang Y. SERS "hot spot" enhance-array assay for misfolded SOD1 correlated with white matter lesions and aging. Anal Chim Acta 2023; 1238:340163. [PMID: 36464456 DOI: 10.1016/j.aca.2022.340163] [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: 03/24/2022] [Revised: 06/23/2022] [Accepted: 07/08/2022] [Indexed: 12/15/2022]
Abstract
Misfolding of superoxide dismutase-1 (SOD1) has been correlated with many neurodegenerative diseases, such as Amyotrophic lateral sclerosis's and Alzheimer's among others. However, it is unclear whether misfolded SOD1 plays a role in another neurodegenerative disease of white matter lesions (WMLs). In this study, a sensitive and specific method based on SERS technique was proposed for quantitative detection of misfolded SOD1 content in WMLs. To fabricate the double antibodysandwich substrates for SERS detection, gold nanostars modified with capture antibody were immobilized on glass substrates to prepare active SERS substrates, and then SERS probes conjugated with a Raman reporter and a specific target antibody were coupled with active SERS substrates. This SERS substrates had been employed for quantitative detection of misfolded SOD1 levels in WMLs and exhibited excellent stability, reliability, and accuracy. Moreover, experimental results indicated that the level of misfolded SOD1 increased with the increase in age and the degree of WMLs. Hence, misfolded SOD1 may be a potential blood marker for WMLs and aging. Meanwhile, SERS-based gold nanostars have great clinical application potential in the screening, diagnosis and treatment of WMLs.
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Affiliation(s)
- Feng Gao
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Jingyi Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, 250021, China
| | - Minmin Yao
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Yanan Song
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China; Medical College of Qingdao University, Qingdao, 266021, China
| | - Hui Yi
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Mingfeng Yang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China
| | - Qingbin Ni
- Postdoctoral Workstation, Taian Central Hospital, Taian, 271000, Shandong, China
| | - Jiming Kong
- Department of Human Anatomy and Cell Science, University of Manitoba, 745 Bannatyne Avenue, Winnipeg, MB, Canada
| | - Hui Yuan
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China.
| | - Baoliang Sun
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China.
| | - Ying Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, Shandong, 271000, China.
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Wang J, Cai Y, Sun J, Feng H, Zhu X, Chen Q, Gao F, Ni Q, Mao L, Yang M, Sun B. Administration of intramuscular AAV-BDNF and intranasal AAV-TrkB promotes neurological recovery via enhancing corticospinal synaptic connections in stroke rats. Exp Neurol 2023; 359:114236. [PMID: 36183811 DOI: 10.1016/j.expneurol.2022.114236] [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: 05/19/2022] [Revised: 09/14/2022] [Accepted: 09/25/2022] [Indexed: 12/30/2022]
Abstract
Stroke causes long-term disability in survivors. BDNF/TrkB plays an important role in synaptic plasticity and synaptic transmission in the central nervous system (CNS), promoting neurological recovery. In this study, we performed non-invasive treatment methods focused on intramuscular injection into stroke-injured forelimb muscles, or intranasal administration using adeno-associated virus (AAV) vectors carrying genes encoding BDNF or TrkB. In a permanent rat middle cerebral artery occlusion (MCAO) model, we assessed the effects of combination therapy with AAV-BDNF and AAV-TrkB on motor functional recovery and synaptic plasticity of the corticospinal connections. Our results showed that BDNF or TrkB gene transduced in the spinal anterior horn neurons and cerebral cortical neurons. Compared to AAV vector treatment alone, behavioral and electrophysiological results showed that the combination therapy significantly improved upper limb motor functional recovery and neurotransmission efficiency after stroke. BDA tracing, immunofluorescence staining, qRT-PCR, and transmission electron microscopy of synaptic ultrastructure results revealed that the combination therapy not only potently increased the expression of Synapsin I, PSD-95, and GAP-43, but also promoted the axonal remodeling and restoration of abnormal synaptic structures. These findings provide a new strategy for enhancing neural plasticity and a potential means to treat stroke clinically.
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Affiliation(s)
- Jing Wang
- Medical College of Qingdao University, Qingdao 266021, Shandong, China; Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Yichen Cai
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Jingyi Sun
- Department of Spinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong, China
| | - Hua Feng
- Department of Otolaryngology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250011, Shandong, China
| | - Xiaoyu Zhu
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Qian Chen
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Feng Gao
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Qingbin Ni
- Postdoctoral Workstation, Taian Central Hospital, Taian 271000, Shandong, China
| | - Leilei Mao
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
| | - Mingfeng Yang
- Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
| | - Baoliang Sun
- Medical College of Qingdao University, Qingdao 266021, Shandong, China; Institute for Neurological Research, The Second Affiliated Hospital; School of Basic Medical Sciences of Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China.
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Zhang D, Sun W, Xu W, Ji C, Zhou Y, Sun J, Tian Y, Li Y, Zhao F, Tian Y. Antimicrobial and Cytotoxic Activity of Endophytic Fungi from Lagopsis supina. J Microbiol Biotechnol 2022; 33:543-551. [PMID: 36781157 PMCID: PMC10164720 DOI: 10.4014/jmb.2211.11055] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 02/15/2023]
Abstract
In this study, five endophytic fungi belonging to the Aspergillus and Alternaria genera were isolated from Lagopsis supina. The antimicrobial activity of all fungal fermented extracts against Staphylococcus and Fusarium graminearum was tested using the cup-plate method. Among them, Aspergillus ochraceus XZC-1 showed the best activity and was subsequently selected for large-scale fermentation and bioactivity-directed separation of the secondary metabolites. Four compounds, including 2-methoxy-6-methyl-1,4-benzoquinone (1), 3,5-dihydroxytoluene (2), oleic acid (3), and penicillic acid (4) were discovered. Here, compounds 1 and 4 displayed anti-fungal activity against F. graminearum, F. oxysporum, F. moniliforme, F. stratum, Botrytis cinerea, Magnaporthe oryzae, and Verticillium dahliae with diverse MIC values (128-512 μg/ml), which were close to that of the positive control antifungal, actidione (64-128 μg/ml). Additionally, compounds 1 and 4 also exhibited moderate antibacterial activity against S. aureus, Listeria monocytogenes, Escherichia coli, and Salmonella enterica, with low MIC values (8-64 μg/ml). Moreover, compounds 1 and 4 displayed selective cytotoxicity against cancer cell lines as compared with the normal fibroblast cells. Therefore, this study proposes that the endophytic fungi from L. supina can potentially produce bioactive molecules to be used as lead compounds in drugs or agricultural antibiotics.
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Affiliation(s)
- Dekui Zhang
- Department of Microbiology, College of Life Science, Key Laboratory for Agriculture Microbiology, Shandong Agricultural University, Taian 271018, P.R. China
| | - Weijian Sun
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Wenjie Xu
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Changbo Ji
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Yang Zhou
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Jingyi Sun
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Yutong Tian
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Yanling Li
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
| | - Fengchun Zhao
- Department of Microbiology, College of Life Science, Key Laboratory for Agriculture Microbiology, Shandong Agricultural University, Taian 271018, P.R. China
| | - Yuan Tian
- College of Life Science, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, P.R. China
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Sun J, Garg S, Xie J, Zhang C, Waite TD. Electrochemical Reduction of Nitrate with Simultaneous Ammonia Recovery Using a Flow Cathode Reactor. Environ Sci Technol 2022; 56:17298-17309. [PMID: 36394539 DOI: 10.1021/acs.est.2c06033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The presence of excessive concentrations of nitrate in industrial wastewaters, agricultural runoff, and some groundwaters constitutes a serious issue for both environmental and human health. As a result, there is considerable interest in the possibility of converting nitrate to the valuable product ammonia by electrochemical means. In this work, we demonstrate the efficacy of a novel flow cathode system coupled with ammonia stripping for effective nitrate removal and ammonia generation and recovery. A copper-loaded activated carbon slurry (Cu@AC), made by a simple, low-cost wet impregnation method, is used as the flow cathode in this novel electrochemical reactor. Use of a 3 wt % Cu@AC suspension at an applied current density of 20 mA cm-2 resulted in almost complete nitrate removal, with 97% of the nitrate reduced to ammonia and 70% of the ammonia recovered in the acid-receiving chamber. A mathematical kinetic model was developed that satisfactorily describes the kinetics and mechanism of the overall nitrate electroreduction process. Minimal loss of Cu to solution and maintenance of nitrate removal performance over extended use of Cu@AC flow electrode augers well for long-term use of this technology. Overall, this study sheds light on an efficient, low-cost water treatment technology for simultaneous nitrate removal and ammonia generation and recovery.
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Affiliation(s)
- Jingyi Sun
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW2052, Australia
| | - Shikha Garg
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW2052, Australia
| | - Jiangzhou Xie
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW2052, Australia
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province214206, P. R. China
| | - Changyong Zhang
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW2052, Australia
| | - T David Waite
- UNSW Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW2052, Australia
- UNSW Centre for Transformational Environmental Technologies, Yixing, Jiangsu Province214206, P. R. China
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Sun J, Chen W, Yuan Z. Characterization of Intestinal Microbiota in Lambs with Different Susceptibility to Escherichia coli F17. Vet Sci 2022; 9:vetsci9120670. [PMID: 36548832 PMCID: PMC9782581 DOI: 10.3390/vetsci9120670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/14/2022] [Accepted: 11/29/2022] [Indexed: 12/04/2022] Open
Abstract
Diarrhea is one of the most commonly reported diseases in young farm animals. Escherichia coli (E. coli) F17 is one of the major pathogenic bacteria responsible for diarrhea. However, the pathogenicity of diarrhea in lambs involving E. coli F17 strains and how E. coli F17 infection modifies lambs' intestinal microbiota are largely unknown. To evaluate diarrhea in newborn lambs with an infection of E. coli F17, 50 lambs were selected for challenge experiments and divided into four groups, namely, a high-dose challenge group, low-dose challenge group, positive control group, and negative control group. The E. coli F17 challenge experiments caused diarrhea and increased mortality in the experimental lamb population, with a higher prevalence (90%), mortality (35%), and rapid onset time (4-12 h) being observed in the high-dose challenge group than the results observed in the low-dose challenge group (75%, 10%, 6-24 h, respectively). After the challenge experiment, healthy lambs in the high-dose challenge group and severely diarrheic lamb in the low-dose challenge group were identified as lambs sensitive/resistant to E. coli F17 (E. coli F17 -resistant/-sensitive candidate, AN/SE) according to the histopathological detection. Results of intestinal contents bacteria plate counting revealed that the number of bacteria in the intestinal contents of SE lambs was 102~3-fold greater than that of the AN lambs, especially in the jejunum. Then, 16S rRNA sequencing was conducted to profile the intestinal microbiota using the jejunal contents, and the results showed that SE lambs had higher Lactococcus and a lower Bacteroidetes:Firmicutes ratio and intestinal microbiota diversity in the jejunum than AN lambs. Notably, high abundance of Megasphaera elsdenii was revealed in AN lambs, which indicated that Megasphaera elsdenii may serve as a potential probiotic for E. coli F17 infection. Our study provides an alternative challenge model for the identification of E. coli F17-sensitive/-resistant lambs and contributes to the basic understandings of intestinal microbiota in lambs with different susceptibilities to E. coli F17.
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Affiliation(s)
- Jingyi Sun
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
| | - Weihao Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Zehu Yuan
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou 225009, China
- Correspondence:
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Yang A, Sun J, Taylor M. U.S. Fortune 500's stakeholders engagement during the COVID-19 pandemic: Evidence for proactive approaches. Public Relat Rev 2022; 48:102230. [PMID: 35910261 PMCID: PMC9309101 DOI: 10.1016/j.pubrev.2022.102230] [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: 04/27/2021] [Revised: 07/04/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
In times of a national crisis such as COVID-19, it is important for organizations to show that they are good corporate citizens. At the same time, organizations should carefully select the type of messages that resonate with stakeholders so as to reduce stakeholder skepticism. This study examines how U.S. Fortune 500 companies discussed their COVID-19 pandemic CSR actions on Facebook over 15 months and how the public responded to such messages. We identified three CSR themes: internal stakeholder proactive CSR, external stakeholder proactive CSR, and external stakeholder accommodative CSR. When publics engaged, external stakeholder proactive CSR was significantly associated with better behavioral engagement outcomes, more positive emotional engagement outcomes, and less negative emotions. However, such effects are moderated by industry type. Our findings inform public relations theory and practice and suggest that in times of major crises, organizations should prioritize proactive approaches to engage external stakeholders while being mindful of specific institutional contexts.
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Affiliation(s)
| | - Jingyi Sun
- USC Annenberg, USA
- Stevens Institute of Technology, USA
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50
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Sun Y, Xia Z, Cao X, Tong Y, He R, Fu M, Sun J, Xu H, Xia J, Liu J, Kim JK, Zhang J, Zhao S, He P, Liu W. A mixed acid treatment for the prevention of Ulva prolifera attachment to Neopyropia aquaculture rafts: Laboratory experimentation. Mar Pollut Bull 2022; 184:114134. [PMID: 36166858 DOI: 10.1016/j.marpolbul.2022.114134] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
The sessile green macroalgae in the Neopyropia aquaculture areas of the Subei Shoal are a confirmed source of green tides in the Southern Yellow Sea (SYS) of China. The green tides have a significant impact on local economic development (tourism, aquaculture, etc.) and ecological stability. In order to develop an effective method for eliminating the green macroalgae attached to Neopyropia aquaculture rafts, this study investigated the effects of mixed acid solutions (0.0475 % hydrochloric acid [HCl] and pH 2.0 citric acid) on cell damage, chlorophyll composition, phycobiliprotein content, and the photosynthetic fluorescence characteristics of Ulva prolifera and Neopyropia yezoensis. The chlorophyll contents of U. prolifera and N. yezoensis were significantly affected by the mixed acid solutions. After treatment with a mixed acid solution (4:3 volume ratio of HCl to citric acid) for 5 s, the photosynthetic pigment content of U. prolifera was significantly different from that of normal U. prolifera. However, photosynthetic pigment content in the treated N. yezoensis increased significantly. In addition, mixed acid solution treatment had a significant effect on the Fv/Fm of U. prolifera and N. yezoensis. After mixed acid treatment (4:3 HCl to citric acid), U. prolifera completely died, but the Fv/Fm of N. yezoensis was restored after 3 d. Therefore, a mixed acid solution comprising 0.0475 % HCl and pH 2.0 citric acid (at a volume ratio of 4:3) can be used as an agent for the removal of green macroalgae from Neopyropia aquaculture areas.
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Affiliation(s)
- Yuqing Sun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Zhangyi Xia
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Xiaoli Cao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yichao Tong
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Ruyan He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Meilin Fu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jingyi Sun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Hong Xu
- Jiangsu Ruixue Haiyang Science and Technology Ltd., Nantong 226010, China
| | - Jing Xia
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Jinlin Liu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; The Key Laboratory of Zoological Systematics and Application, Hebei University, Baoding 071002, China.
| | - Jang Kyun Kim
- Department of Marine Science, School of Natural Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jianheng Zhang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China.
| | - Shuang Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China.
| | - Peimin He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China.
| | - Wei Liu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Department of Agriculture and Biotechnology, Wenzhou Vocational College of Science and Technology, Wenzhou 325006, China.
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