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Effect of IL-10 on formation of foam cell induced by ox-LDL

WANG Fei, DAI Yalei, XU Ting, XU Bo, WANG Kaifeng

《医学前沿(英文)》 2008年 第2卷 第3期   页码 298-302 doi: 10.1007/s11684-008-0057-3

摘要: Atherosclerosis is a chronic disease that causes various cardiovascular complications. It has been realized that cellular and humoral immunity plays crucial roles in atherogenic lesion formation. In this study the effects of lipopolysaccharide (LPS) and interleukin-10 (IL-10) on the formation of foam cells during the early stages of atherosclerosis have been investigated. Macrophage was induced by phorbol myristate acetate (PMA) treatment on THP-1 cells. The cells were further stimulated by ox-LDL, ox-LDL plus LPS, ox-LDL plus IL-10 and LPS. By using an oil red O staining technique, the formation of foam cells was evaluated by lipid granules formation in the cells. The ratio of foam cell formation was increased from (9.77 ± 1.70)% to (16.27 ± 2.27)% after 24 h stimulation with ox-LDL, and the increase was observed with incubating time. The foam cells were significantly increased in the presence of LPS in a dose-dependent manner. The maximum increase of about 40% was observed. However, the significant elevation by LPS was abrogated when IL-10 was added. These results indicated that IL-10 can effectively prevent the formation of foam cells induced by ox-LDL with or without LPS. This study demonstrates that ox-LDL can cause foam cell formation from macrophages . LPS can significantly accelerate this event. IL-10, an anti-inflammatory cytokine, can inhibit the effect of ox-LDL and LPS. These results indicate that inflammatory effects in blood vessels can speed up foam cell formation. The inhibitive effect of IL-10 is an important factor for delaying atherosclerosis processes.

关键词: inflammatory     presence     interleukin-10     dose-dependent     ox-LDL    

Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

null

《医学前沿(英文)》 2015年 第9卷 第2期   页码 139-145 doi: 10.1007/s11684-015-0377-z

摘要:

In obesity, chronic inflammation is believed to induce insulin resistance and impairs adipose tissue function. Although this view is supported by a large body of literature, it has been challenged by growing evidence that pro-inflammatory cytokines may favor insulin sensitivity through induction of energy expenditure. In this review article, interleukin 15 (IL-15) is used as a new example to explain the beneficial effects of the pro-inflammatory cytokines. IL-15 is secreted by multiple types of cells including macrophages, neutrophils and skeletal muscle cells. IL-15 expression is induced in immune cells by endotoxin and in muscle cells by physical exercise. Its transcription is induced by transcription factor NF-κB. IL-15 binds to its receptor that contains three different subunits (α, β and γ) to activate JAK/STAT, PI3K/Akt, IKK/NF-κB and JNK/AP1 pathways in cells. In the regulation of metabolism, IL-15 reduces weight gain without inhibiting food intake in rodents. IL-15 suppresses lipogenesis, stimulates brown fat function, improves insulin sensitivity through weight loss and energy expenditure. In human, circulating IL-15 is negatively associated with body weight. In the immune system, IL-15 stimulates proliferation and differentiation of T cells, NK cells, monocytes and neutrophils. In the anti-obesity effects of IL-15, T cells and NK cells are not required, but leptin receptor is required. In summary, evidence from human and rodents supports that the pro-inflammatory cytokine IL-15 may enhance energy expenditure to protect the body from obesity and type 2 diabetes. The mechanism of IL-15 action remains to be fully uncovered in the regulation of energy expenditure.

关键词: inflammation     obesity     cytokine     energy expenditure     insulin resistance    

PM10 emissions from industrial coal-fired chain-grate boilers

Xinghua Li, Junzan Han, Lei Duan

《环境科学与工程前沿(英文)》 2017年 第11卷 第6期 doi: 10.1007/s11783-017-0966-y

摘要: Industrial coal-fired boiler is an important air pollutant emission source in China. The chain-grate boiler is the most extensively used type of industrial coal-fired boiler. An electrical low-pressure impactor, and a Dekati Low Pressure Impactor were applied to determine mass and number size distributions of PM at the inlet and the outlet of the particulate emission control devices at six coal-fired chain-grate boilers. The mass size distribution of PM generated from coal-fired chain-grate boilers generally displays a bimodal distribution that contains a submicron mode and a coarse mode. The PM in the submicron mode for burning with raw coal contributes to 33%±10 % of PM emissions, much higher than those for pulverized boilers. And the PM in the submicron mode for burning with briquette contributes up to 86 % of PM emissions. Multiclones and scrubbers are not efficient for controlling PM emission. Their average collection efficiencies for sub-micron particle and super-micron particle are 34% and 78%, respectively. Operating conditions of industrial steam boilers have influence on PM generation. Peak of the submicron mode during normal operation period is larger than the start-up period.

关键词: coal-fired chain-grate boiler     PM10     size distribution     particulate emission control devices     size-dependent collection efficiency    

murine pancreatic carcinoma by β-elemene combined with dendritic cells modified with genes encoding interleukin

TAN Guang, WANG Zhongyu, CHE Luanqing, YIN Shuo

《医学前沿(英文)》 2007年 第1卷 第1期   页码 41-45 doi: 10.1007/s11684-007-0008-4

摘要: The dendritic cell vaccine is a treatment vaccine with potent clinical applications. Functional cytokines can enhance dendritic cell anti-tumor immune responses. This experiment was conducted to study the effects of bone marrow-deriv

关键词: Functional     experiment     anti-tumor     dendritic     clinical    

Dynein axonemal heavy chain 10 deficiency causes primary ciliary dyskinesia in humans and mice

《医学前沿(英文)》   页码 957-971 doi: 10.1007/s11684-023-0988-8

摘要: Primary ciliary dyskinesia (PCD) is a congenital, motile ciliopathy with pleiotropic symptoms. Although nearly 50 causative genes have been identified, they only account for approximately 70% of definitive PCD cases. Dynein axonemal heavy chain 10 (DNAH10) encodes a subunit of the inner arm dynein heavy chain in motile cilia and sperm flagella. Based on the common axoneme structure of motile cilia and sperm flagella, DNAH10 variants are likely to cause PCD. Using exome sequencing, we identified a novel DNAH10 homozygous variant (c.589C > T, p.R197W) in a patient with PCD from a consanguineous family. The patient manifested sinusitis, bronchiectasis, situs inversus, and asthenoteratozoospermia. Immunostaining analysis showed the absence of DNAH10 and DNALI1 in the respiratory cilia, and transmission electron microscopy revealed strikingly disordered axoneme 9+2 architecture and inner dynein arm defects in the respiratory cilia and sperm flagella. Subsequently, animal models of Dnah10-knockin mice harboring missense variants and Dnah10-knockout mice recapitulated the phenotypes of PCD, including chronic respiratory infection, male infertility, and hydrocephalus. To the best of our knowledge, this study is the first to report DNAH10 deficiency related to PCD in human and mouse models, which suggests that DNAH10 recessive mutation is causative of PCD.

关键词: DNAH10     mice     motile cilia     mutation     primary ciliary dyskinesia    

Innate immune checkpoint Siglec10 in cancers: mining of comprehensive omics data and validation in patient

《医学前沿(英文)》 2022年 第16卷 第4期   页码 596-609 doi: 10.1007/s11684-021-0868-z

摘要: Sialic acid binding Ig-like lectin 10 (Siglec10) is a member of innate immune checkpoints that inhibits the activation of immune cells through the interaction with its ligand CD24 on tumor cells. Here, by analyzing public databases containing 64 517 patients of 33 cancer types, we found that the expression of Siglec10 was altered in 18 types of cancers and was associated with the clinical outcomes of 11 cancer types. In particular, Siglec10 was upregulated in patients with kidney renal clear cell carcinoma (KIRC) and was inversely associated with the prognosis of the patients. In 131 KIRC patients of our settings, Siglec10 was elevated in the tumor tissues of 83 (63.4%) patients compared with that in their counterpart normal kidney tissues. Moreover, higher level of Siglec10 was associated with advanced disease (stages III and IV) and worse prognosis. Silencing of CD24 in KIRC cells significantly increased the number of Siglec10-expressing macrophages phagocytosing KIRC cells. In addition, luciferase activity assays suggested that Siglec10 was a potential target of the transcription factors c-FOS and GATA1, which were identified by data mining. These results demonstrate that Siglec10 may have important oncogenic functions in KIRC, and represents a novel target for the development of immunotherapies.

关键词: innate immune checkpoint     Siglec10     kidney renal clear cell carcinoma    

The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

《能源前沿(英文)》 2023年 第17卷 第1期   页码 1-4 doi: 10.1007/s11708-023-0869-5

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Preface of special issue of the 10 th International Conference on CO 2 Utilization

Changjun LIU,

《化学科学与工程前沿(英文)》 2010年 第4卷 第2期   页码 109-109 doi: 10.1007/s11705-009-0258-6

Cross-sectional prevalence and pattern of non-anaemia severe malaria among 2–10 year olds in Sokoto in

《医学前沿(英文)》 2022年 第16卷 第6期   页码 969-974 doi: 10.1007/s11684-021-0912-z

摘要: Malaria is highly prevalent in Nigeria and accounts for approximately 40% of global malaria mortality. However, most reports on severe malaria in Nigeria are from hospital-based studies without accurate information from communities; thus, malaria-related deaths in the community are left untracked. This study aimed to describe the prevalence and pattern of severe malaria in a community in Northwestern Nigeria. A cross-sectional study was conducted among 2–10-year-old children in Sokoto, in August and December 2016, to determine the endemicity of malaria based on Plasmodium falciparum prevalence rate (PfPR2-10) and to describe the disease pattern. Severe malaria was diagnosed according to the World Health Organisation criteria. Data were described using Stata version 15. The prevalence of non-anaemia severe malaria was higher than expected (2.6%), considering the endemicity pattern which was mesoendemic based on a PfPR2-10 of 34.8%. The mean age of children with severe malaria was 3.73 years, and the male–female ratio was 2:1. However, 54.0% of the patients had hyperparasitaemia. A relatively high prevalence of non-anaemia severe malaria was found in Wamakko. This finding suggests the need to identify and treat cases in the community using modifications of current strategies, particularly seasonal malaria chemoprophylaxis.

关键词: severe malaria     nigeria     malaria mortality     PfPR2-10     intermediate malaria transmission    

Association of miRNA-122-binding site polymorphism at the interleukin-1 α gene and its interaction with

null

《医学前沿(英文)》 2014年 第8卷 第2期   页码 217-226 doi: 10.1007/s11684-014-0326-2

摘要:

This study was designed to investigate the contribution of miRNA-122-binding site polymorphism at the IL-1A gene and its multiplicative interactions with hepatitis B virus (HBV) mutations in the risk of hepatocellular carcinoma (HCC). A total of 1021 healthy controls, 302 HBV surface antigen (HBsAg) seroclearance subjects, and 2011 HBsAg-positive subjects (including 1021 HCC patients) were enrolled in this study. Quantitative PCR was used to genotype rs3783553. HBV mutations were determined by direct sequencing. Multivariate logistic regression analyses were performed to test the associations of rs3783553, mutations, and their interactions with the risk of HCC. No significant association was found between rs3783553 and the risk of HCC among healthy controls, HBsAg seroclearance subjects, HBsAg-positive subjects without HCC, and all controls. Additionally, rs3783553 was not significantly associated with chronic HBV infection, liver cirrhosis, HBV e antigen seroconversion, abnormal alanine aminotransferase, and high viral load (>104 copies/ml). However, the TTCA insertion allele of rs3783553 was significantly associated with an increased frequency of HBV C7A mutation compared with homozygous TTCA deletion carriers [(del/ins+ ins/ins) vs. del/del, adjusted odds ratio (OR)=1.48, 95% confidence interval (CI)=1.09-2.02, P=0.013]. Multiplicative interaction of rs3783553 with HBV preS deletion significantly reduced the risk of HCC in males, with an adjusted OR of 0.64 (95% CI=0.42-0.98; P=0.041) after age and HBV genotype were adjusted. Although rs3783553 did not significantly affect genetic susceptibility to HBV-related HCC, its variant allele may predispose the host to selecting HBV C7A mutation during evolution and significantly reduce the risk of HCC caused by HBV preS deletion. This study provides an insight into the complex host-virus interaction in HBV-induced hepatocarcinogenesis and is helpful in determining HBsAg-positive subjects who are likely to develop HCC.

关键词: hepatocellular carcinoma (HCC)     interaction     miRNA-122-binding site     IL-1A     rs3783553     hepatitis B virus (HBV) mutations    

GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

《农业科学与工程前沿(英文)》 2022年 第9卷 第2期   页码 309-311 doi: 10.15302/J-FASE-2022440

Cytokine storm and translating IL-6 biology into effective treatments for COVID-19

《医学前沿(英文)》 doi: 10.1007/s11684-023-1044-4

摘要: As of May 3, 2023, the coronavirus disease 2019 (COVID-19) pandemic has resulted in more than 760 million confirmed cases and over 6.9 million deaths. Several patients have developed pneumonia, which can deteriorate into acute respiratory distress syndrome. The primary etiology may be attributed to cytokine storm, which is triggered by the excessive release of proinflammatory cytokines and subsequently leads to immune dysregulation. Considering that high levels of interleukin-6 (IL-6) have been detected in several highly pathogenic coronavirus-infected diseases, such as severe acute respiratory syndrome in 2002, the Middle East respiratory syndrome in 2012, and COVID-19, the IL-6 pathway has emerged as a key in the pathogenesis of this hyperinflammatory state. Thus, we review the history of cytokine storm and the process of targeting IL-6 signaling to elucidate the pivotal role played by tocilizumab in combating COVID-19.

关键词: SARS-CoV-2     COVID-19     cytokine storm     interleukin-6     tocilizumab    

Osteopontin is a promoter for hepatocellular carcinoma metastasis: a summary of 10 years of studies

null

《医学前沿(英文)》 2014年 第8卷 第1期   页码 24-32 doi: 10.1007/s11684-014-0312-8

摘要:

In this review, we summarize the novel findings from our series of studies on the leading metastasis-related gene, osteopontin (OPN). In our previous gene expression profiling study, OPN was identified as one of the leading genes associated with the metastasis of hepatocellular carcinoma (HCC). We focused on OPN to evaluate its prognostic values and important roles in HCC metastasis. A retrospective study of large cohorts of HCC patients demonstrated that plasma OPN level was one of the leading independent prognostic factors for HCC patients, even in the early stage of HCC, and could serve as a surrogate serologic biomarker for monitoring the treatment response and tumor recurrence after HCC resection. Using both in vitro and in vivoinvestigations, we found that OPN has an important role in metastasis and tumor growth of HCC and is an attractive potential therapeutic target for combating HCC metastasis. We also found that OPN+ HCC cells have much more amplifications at chromosomal regions, and promoter polymorphisms are important in the regulation of OPN expression and tumor growth and lung metastasis of HCC.

关键词: osteopontin (OPN)     hepatocellular carcinoma     metastasis     prognosis     therapeutic target     biomarker     genetic polymorphism    

NES1/KLK10 and hNIS gene therapy enhanced iodine-131 internal radiation in PC3 proliferation

Jiajia Hu, Wenbin Shen, Qian Qu, Xiaochun Fei, Ying Miao, Xinyun Huang, Jiajun Liu, Yingli Wu, Biao Li

《医学前沿(英文)》 2019年 第13卷 第6期   页码 646-657 doi: 10.1007/s11684-018-0643-y

摘要: gene is thought to be a tumor-suppressor gene. Our previous study found that overexpression of gene in PC3 cell line could slow down the tumor proliferation rate, associated with a mild decrease in expression. The decrease could increase the sensitivity of radiotherapy to tumors. Thus, we supposed to have an “enhanced firepower” effect by combining overexpressed gene therapy and I radiation therapy uptake by overexpressed hNIS protein. We found a weak endogenous expression of hNIS protein in PC3 cells and demonstrated that the low expression of hNIS protein in PC3 cells might be the reason for the low iodine uptake. By overexpressing in PC3, the radioactive iodine uptake ability was significantly increased. Results of and tumor proliferation experiments and F-fluorothymidine ( F-FLT) micro-positron emission tomography/computed tomography (micro-PET/CT) imaging showed that the combined gene therapy and I radiation therapy mediated by overexpressed hNIS protein had the best tumor proliferative inhibition effect. Immunohistochemistry showed an obvious decrease of expression and the lowest expression. These data suggest that via inhibition of expression, overexpressed might enhance the effect of radiation therapy of I uptake in overexpressed PC3 cells.

关键词: androgen-independent prostate cancer     normal epithelial cell-specific 1/kallikrein 10     sodium/iodide symporter     radiation therapy     proliferation    

山奈酚作为新型ADAM10抑制剂治疗金黄色葡萄球菌感染 Article

王婷婷, 王建锋, 许湘竹, 蒋帆, 吕红发, 齐清辉, 张灿, 吕强华, 邓旭明

《工程(英文)》 2023年 第28卷 第9期   页码 206-221 doi: 10.1016/j.eng.2023.03.006

摘要: 去整合素和金属蛋白酶10(ADAM10)作为α-毒素(Hla)不可或缺的特异性细胞受体,可通过多种机制促进金葡菌感染。ADAM10在致病机制中发挥的关键作用使其成为基于HDT治疗金葡菌感染的有力靶点。本研究首次证明ADAM10在金葡菌诱导的坏死性调亡中也发挥重要作用,这一发现拓宽了人们对ADAM10在金葡菌感染中作用的认识。通过荧光底物分解试验,我们进一步筛选出了一种强效ADAM10抑制剂——山奈酚,该化合物可抑制Hla引起的屏障破坏和细胞坏死性调亡,有效保护小鼠免受金葡菌感染。

关键词: 宿主靶向治疗     山奈酚     ADAM10抑制剂     金黄色葡萄球菌感染     屏障破坏     坏死性调亡    

标题 作者 时间 类型 操作

Effect of IL-10 on formation of foam cell induced by ox-LDL

WANG Fei, DAI Yalei, XU Ting, XU Bo, WANG Kaifeng

期刊论文

Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

null

期刊论文

PM10 emissions from industrial coal-fired chain-grate boilers

Xinghua Li, Junzan Han, Lei Duan

期刊论文

murine pancreatic carcinoma by β-elemene combined with dendritic cells modified with genes encoding interleukin

TAN Guang, WANG Zhongyu, CHE Luanqing, YIN Shuo

期刊论文

Dynein axonemal heavy chain 10 deficiency causes primary ciliary dyskinesia in humans and mice

期刊论文

Innate immune checkpoint Siglec10 in cancers: mining of comprehensive omics data and validation in patient

期刊论文

The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

期刊论文

Preface of special issue of the 10 th International Conference on CO 2 Utilization

Changjun LIU,

期刊论文

Cross-sectional prevalence and pattern of non-anaemia severe malaria among 2–10 year olds in Sokoto in

期刊论文

Association of miRNA-122-binding site polymorphism at the interleukin-1 α gene and its interaction with

null

期刊论文

GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

期刊论文

Cytokine storm and translating IL-6 biology into effective treatments for COVID-19

期刊论文

Osteopontin is a promoter for hepatocellular carcinoma metastasis: a summary of 10 years of studies

null

期刊论文

NES1/KLK10 and hNIS gene therapy enhanced iodine-131 internal radiation in PC3 proliferation

Jiajia Hu, Wenbin Shen, Qian Qu, Xiaochun Fei, Ying Miao, Xinyun Huang, Jiajun Liu, Yingli Wu, Biao Li

期刊论文

山奈酚作为新型ADAM10抑制剂治疗金黄色葡萄球菌感染

王婷婷, 王建锋, 许湘竹, 蒋帆, 吕红发, 齐清辉, 张灿, 吕强华, 邓旭明

期刊论文