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Hartvigsson O, Barman M, Rabe H, Sandin A, Wold AE, Brunius C, Sandberg AS. Associations of maternal and infant metabolomes with immune maturation and allergy development at 12 months in the Swedish NICE-cohort. Sci Rep 2021; 11:12706. [PMID: 34135462 PMCID: PMC8209090 DOI: 10.1038/s41598-021-92239-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 06/07/2021] [Indexed: 02/05/2023] Open
Abstract
Allergic diseases are the most common chronic diseases in childrenin the Western world, but little is know about what factors influence immune maturation and allergy development. We therefore aimed to associate infant and maternal metabolomes to T- and B-cell subpopulations and allergy diagnosis. We performed liquid chromatography-mass spectrometry based untargeted metabolomics on blood plasma from mothers (third trimester, n = 605; delivery, n = 558) and from the umbilical cord (n = 366). The measured metabolomes were associated to T- and B-cell subpopulations up to 4 months after delivery and to doctor´s diagnosed eczema, food allergy and asthma at one year of age using random forest analysis. Maternal and cord plasma at delivery could predict the number of CD24+CD38low memory B-cells (p = 0.033, n = 26 and p = 0.009, n = 22), but future allergy status could not be distinguished from any of the three measured metabolomes. Replication of previous literature findings showed hypoxanthine to be upregulated in the umbilical cord of children with subsequent asthma. This exploratory study suggests foetal immune programming occuring during pregnancy as the metabolomic profiles of mothers and infants at delivery related to infants' B-cell maturation.
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Affiliation(s)
- Olle Hartvigsson
- Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Göteborg, Sweden.
| | - Malin Barman
- Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Göteborg, Sweden
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Hardis Rabe
- Institute of Biomedicine, Department of Infectious Diseases, University of Gothenburg, Gothenburg, Sweden
| | - Anna Sandin
- Department of Clinical Sciences, Unit of Pediatrics, Umeå University, Umeå, Sweden
| | - Agnes E Wold
- Institute of Biomedicine, Department of Infectious Diseases, University of Gothenburg, Gothenburg, Sweden
| | - Carl Brunius
- Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Göteborg, Sweden
| | - Ann-Sofie Sandberg
- Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Göteborg, Sweden
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Li Q, Li G, Liu C, Chen N, Deng B, Xie Y. Cell Differentiation Agent-2 (CDA-2) Inhibits the Growth and Migration of Saos-2 Cells via miR-124/MAPK1. Cancer Manag Res 2020; 12:4541-4548. [PMID: 32606947 PMCID: PMC7304673 DOI: 10.2147/cmar.s248851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 05/15/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND CDA-2 (cell differentiation agent 2), isolated from healthy human urine, exerts antitumor effects in multiple types of cancer cells. However, its role in osteosarcoma has not been studied. METHODS The MTT assay was used to examine the cell proliferation rate. A colony formation assay was used to examine cell growth. The Transwell assay was used to examine cell migration ability. A real-time PCR assay was used to examine the expression levels of miR-124 and MAPK1. A Western blot assay was used to examine protein expression levels. MAPK1 was selected as a possible target of miR-124, and the targeting relationship was examined by a luciferase reporter assay. RESULTS We revealed that CDA-2 decreased the growth, migration and invasion ability of the osteosarcoma cell line Saos-2. Further study revealed that CDA-2 elevated the expression level of miR-124. MAPK1 was identified as a downstream target of miR-124. Knockdown of miR-124 or overexpression of MAPK1 counteracted CDA-2's effects on cell growth and invasion. CONCLUSION Our data revealed that the miR-124/MAPK1 axis mediated CDA-2's function in Saos-2 cells. CDA-2 can be used as a new treatment strategy for osteosarcoma.
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Affiliation(s)
- Quanxiu Li
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, People’s Republic of China,Correspondence: Quanxiu Li Email
| | - Guangchun Li
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, People’s Republic of China
| | - Changyi Liu
- Department of Orthopedics, The Third Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, People’s Republic of China
| | - Na Chen
- Department of Pathology, Guangdong Women and Children Hospital, Guangzhou, Guangdong, People’s Republic of China
| | - Bangyu Deng
- Department of Oncology, Affiliated Tumor Hospital of Guangzhou University, Guangzhou, Guangdong, People’s Republic of China
| | - Youke Xie
- Department of Oncology, Hospital of Ruikang Affiliated to Guangxi University of Chinese Medicine, Guangxi, People’s Republic of China
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Rig-G is a growth inhibitory factor of lung cancer cells that suppresses STAT3 and NF-κB. Oncotarget 2018; 7:66032-66050. [PMID: 27602766 PMCID: PMC5323212 DOI: 10.18632/oncotarget.11797] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 08/24/2016] [Indexed: 12/19/2022] Open
Abstract
The expression of the retinoic acid-induced G (Rig-G) gene, an all trans retinoic acid (ATRA)-inducible gene, was observed in multiple cancer cells, including lung cancer cells. However, whether Rig-G is a tumor suppressor in lung cancer is unknown. Here, we found that ectopic expression of Rig-G can lead to a significant decrease in proliferation of lung cancer cells, resulting in an inhibition of tumor growth. Rig-G knockdown results in a modest increase in cell proliferation, as well as confers an increase in colony formation. Furthermore, transcriptome and pathway analyses of cancer cells revealed a fundamental impact of Rig-G on various growth signaling pathways, including the NF-κB pathway. Rig-G inhibits NF-κB activity by suppressing STAT3 in lung cancer cells. The downregulation of miR21 and miR181b-1 and subsequent activation of PTEN/Akt and CYLD/IκB signaling axis leading to decreased NF-κB activity required to maintain the tumor-inhibiting effect of Rig-G.. Our findings contribute to a better understanding of the antitumor effect mechanism of Rig-G, as well as offer a novel strategy for lung cancer therapy.
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Yao CJ, Chuang SE, Yang YY, Lai GM. Human Urine Extract Cell Differentiation Agent 2 Protects PC12 Cells from Serum Deprivation-Induced Apoptosis Accompanied with Priming of Extracellular Signal-Regulated Kinase Activation and Differentiation Induction. Chin J Integr Med 2018:10.1007/s11655-018-2986-1. [PMID: 29455376 DOI: 10.1007/s11655-018-2986-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the potential neuroprotective effect of human urine extract cell differentiation agent 2 (CDA-2) by the model of serum deprivation-induced apoptosis of PC12 cells and study the underlying molecular mechanisms. METHODS Apoptosis of PC12 cells was induced by serum deprivation. CDA-2 at doses of 0.5-4 mg/mL was used to treat the serum-deprived PC12 cells. The cellular viability was measured by sulforhodamine B binding assay and the cell apoptosis was determined by flow cytometer. Western blot was used to analyze the expression of differentiation markers and activity of extracellular signal-regulated kinase (ERK). The cellular morphology was examined under an inverted microscope. RESULTS CDA-2 inhibited apoptotic cell death of serum-deprived PC12 cells in a dose-dependent manner. Expression of low- and mid-sized neurofilaments was observed in serum-deprived PC12 cells treated with CDA-2 or nerve growth factor (NGF). However, CDA-2 did not induce proliferation of these cells like NGF. The morphology of CDA-2 treated cells was changed from rounded to neuron-like flat polygonal shape in contrast to the extensive neurite outgrowth induced by NGF. CDA-2 transiently induced the phosphorylation of ERK in serum deprived-PC12 cells and the expression of neurofilaments induced by CDA-2 was attenuated by mitogen-activated protein/extracellular signal-regulated kinase kinase (MEK) inhibitor PD98059. CONCLUSIONS Human urine extract CDA-2 showed a potential neuroprotective activity which may correlate with ERK activation and differentiation induction.
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Affiliation(s)
- Chih-Jung Yao
- Cancer Center, Wan Fang Hospital, Taipei Medical University, Taipei, 11696, Taiwan, China
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan, China
| | - Shuang-En Chuang
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County, 35053, Taiwan, China
| | - Ya-Yu Yang
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County, 35053, Taiwan, China
| | - Gi-Ming Lai
- Cancer Center, Wan Fang Hospital, Taipei Medical University, Taipei, 11696, Taiwan, China.
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan, China.
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County, 35053, Taiwan, China.
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, 11696, Taiwan, China.
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Vanholder R, Pletinck A, Schepers E, Glorieux G. Biochemical and Clinical Impact of Organic Uremic Retention Solutes: A Comprehensive Update. Toxins (Basel) 2018; 10:toxins10010033. [PMID: 29316724 PMCID: PMC5793120 DOI: 10.3390/toxins10010033] [Citation(s) in RCA: 191] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 12/21/2017] [Accepted: 12/23/2017] [Indexed: 02/07/2023] Open
Abstract
In this narrative review, the biological/biochemical impact (toxicity) of a large array of known individual uremic retention solutes and groups of solutes is summarized. We classified these compounds along their physico-chemical characteristics as small water-soluble compounds or groups, protein bound compounds and middle molecules. All but one solute (glomerulopressin) affected at least one mechanism with the potential to contribute to the uremic syndrome. In general, several mechanisms were influenced for each individual solute or group of solutes, with some impacting up to 7 different biological systems of the 11 considered. The inflammatory, cardio-vascular and fibrogenic systems were those most frequently affected and they are one by one major actors in the high morbidity and mortality of CKD but also the mechanisms that have most frequently been studied. A scoring system was built with the intention to classify the reviewed compounds according to the experimental evidence of their toxicity (number of systems affected) and overall experimental and clinical evidence. Among the highest globally scoring solutes were 3 small water-soluble compounds [asymmetric dimethylarginine (ADMA); trimethylamine-N-oxide (TMAO); uric acid], 6 protein bound compounds or groups of protein bound compounds [advanced glycation end products (AGEs); p-cresyl sulfate; indoxyl sulfate; indole acetic acid; the kynurenines; phenyl acetic acid;] and 3 middle molecules [β2-microglobulin; ghrelin; parathyroid hormone). In general, more experimental data were provided for the protein bound molecules but for almost half of them clinical evidence was missing in spite of robust experimental data. The picture emanating is one of a complex disorder, where multiple factors contribute to a multisystem complication profile, so that it seems of not much use to pursue a decrease of concentration of a single compound.
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Affiliation(s)
- Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium.
| | - Anneleen Pletinck
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium.
| | - Eva Schepers
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium.
| | - Griet Glorieux
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium.
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Yan HQ, Huang XB, Ke SZ, Jiang YN, Zhang YH, Wang YN, Li J, Gao FG. Interleukin 6 augments lung cancer chemotherapeutic resistance via ataxia-telangiectasia mutated/NF-kappaB pathway activation. Cancer Sci 2014; 105:1220-7. [PMID: 24988892 PMCID: PMC4462389 DOI: 10.1111/cas.12478] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 06/13/2014] [Accepted: 06/27/2014] [Indexed: 12/25/2022] Open
Abstract
Although it is known that ataxia-telangiectasia mutated (ATM) and interleukin 6 (IL-6) contribute to multiple drug resistance (MDR) in tumor chemotherapy, the exact role of ATM activation in MDR resulting from increased IL-6 expression is still unclear. In the present study, we demonstrate that the activation of the ATM-NF-kappaB pathway, resulting from increased IL-6 expression, plays a central role in augmented chemoresistance in lung cancer cell lines. This result was supported by the increased expressions of Bcl-2, Mcl-1, Bcl-xl, and the upregulation of MDR-associated protein ABCG2. The higher level of IL-6 reveals not only higher ATM/NF-kappaB activity but also increased expressions of ABCG2, Bcl-2, Mcl-1 and Bcl-xl. Most importantly, lung cancer cells themselves upregulated IL-6 secretion by activating the p38/NF-kappaB pathway through treatment with cisplatin and camptothecin. Taken together, these findings demonstrate that chemotherapeutic agents increase IL-6 expression, hence activating the ATM/NF-kappaB pathway, augmenting anti-apoptotic protein expression and contributing to MDR. This indicates that both IL-6 and ATM are potential targets for the treatment of chemotherapeutic resistance in lung cancer.
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Affiliation(s)
- Hong Qiong Yan
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Xiao Bo Huang
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Shi Zhong Ke
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Yi Na Jiang
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Yue Hua Zhang
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Yi Nan Wang
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Juan Li
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
| | - Feng Guang Gao
- Department of Immunology, Basic Medicine Science, Medical College, Xiamen UniversityXiamen, China
- State Key Laboratory of Oncogenes and Related Genes, Shang Hai Jiao Tong UniversityShanghai, China
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Deng X, Ma L, Wu M, Zhang G, Jin C, Guo Y, Liu R. miR-124 radiosensitizes human glioma cells by targeting CDK4. J Neurooncol 2013; 114:263-74. [PMID: 23761023 DOI: 10.1007/s11060-013-1179-2] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 06/02/2013] [Indexed: 12/15/2022]
Abstract
The aberrant expression of cyclin-dependent kinase-4 (CDK4) has previously been observed in human brain glioma. Furthermore, it is observed that up-regulation of CDK4 is associated with therapy resistance and relapse. However, the mechanisms behind these phenomena remain unclear. Here, we demonstrated that elevated CDK4 expression is correlated with poor prognosis in glioma after radiotherapy and that CDK4 knockdown conferred radiosensitivity in glioma cell lines. CDK4 was identified as potential downstream target of miR-124 through bioinformatics analysis and dual-firefly luciferase reporter assay. Furthermore, restoration of miR-124 could confer radiosensitivity. Cell differentiation agent-2 (CDA-2) mimicked the effect of miR-124 restoration and CDK4 knockdown, and sensitized xenografts to radiation in an animal model. Our findings demonstrated for the first time that CDK4 was a downstream target of miR-124 and that CDA-2 could radiosensitize Glioblastoma multiforme cells through the MiR-124-CDK4 axis.
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Affiliation(s)
- Xubin Deng
- Cancer Institute of Southern Medical University, Guangzhou, People's Republic of China
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