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Maasalu K, Laius O, Zhytnik L, Kõks S, Prans E, Reimann E, Märtson A. Featured Article: Transcriptional landscape analysis identifies differently expressed genes involved in follicle-stimulating hormone induced postmenopausal osteoporosis. Exp Biol Med (Maywood) 2017; 242:203-213. [PMID: 27856519 PMCID: PMC5167124 DOI: 10.1177/1535370216679899] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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: 05/31/2016] [Accepted: 10/08/2016] [Indexed: 11/16/2022] Open
Abstract
Osteoporosis is a disorder associated with bone tissue reorganization, bone mass, and mineral density. Osteoporosis can severely affect postmenopausal women, causing bone fragility and osteoporotic fractures. The aim of the current study was to compare blood mRNA profiles of postmenopausal women with and without osteoporosis, with the aim of finding different gene expressions and thus targets for future osteoporosis biomarker studies. Our study consisted of transcriptome analysis of whole blood serum from 12 elderly female osteoporotic patients and 12 non-osteoporotic elderly female controls. The transcriptome analysis was performed with RNA sequencing technology. For data analysis, the edgeR package of R Bioconductor was used. Two hundred and fourteen genes were expressed differently in osteoporotic compared with non-osteoporotic patients. Statistical analysis revealed 20 differently expressed genes with a false discovery rate of less than 1.47 × 10-4 among osteoporotic patients. The expression of 10 genes were up-regulated and 10 down-regulated. Further statistical analysis identified a potential osteoporosis mRNA biomarker pattern consisting of six genes: CACNA1G, ALG13, SBK1, GGT7, MBNL3, and RIOK3. Functional ingenuity pathway analysis identified the strongest candidate genes with regard to potential involvement in a follicle-stimulating hormone activated network of increased osteoclast activity and hypogonadal bone loss. The differentially expressed genes identified in this study may contribute to future research of postmenopausal osteoporosis blood biomarkers.
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Affiliation(s)
- Katre Maasalu
- Department of Traumatology and Orthopedics, University of Tartu, Tartu 51014, Estonia
- Clinic of Traumatology and Orthopedics, Tartu University Hospital, Tartu 51014, Estonia
| | - Ott Laius
- Department of Traumatology and Orthopedics, University of Tartu, Tartu 51014, Estonia
| | - Lidiia Zhytnik
- Department of Traumatology and Orthopedics, University of Tartu, Tartu 51014, Estonia
| | - Sulev Kõks
- Department of Pathophysiology, University of Tartu, Tartu 50411, Estonia
| | - Ele Prans
- Department of Pathophysiology, University of Tartu, Tartu 50411, Estonia
| | - Ene Reimann
- Department of Pathophysiology, University of Tartu, Tartu 50411, Estonia
| | - Aare Märtson
- Department of Traumatology and Orthopedics, University of Tartu, Tartu 51014, Estonia
- Clinic of Traumatology and Orthopedics, Tartu University Hospital, Tartu 51014, Estonia
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152
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Park HS, Han HJ, Lee S, Kim GM, Park S, Choi YA, Lee JD, Kim GM, Sohn J, Kim SI. Detection of Circulating Tumor Cells in Breast Cancer Patients Using Cytokeratin-19 Real-Time RT-PCR. Yonsei Med J 2017; 58:19-26. [PMID: 27873491 PMCID: PMC5122637 DOI: 10.3349/ymj.2017.58.1.19] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 07/12/2016] [Accepted: 07/26/2016] [Indexed: 12/18/2022] Open
Abstract
PURPOSE The roles of circulating tumor cells (CTCs) as predictive and prognostic factors, as well as key mediators in the metastatic cascade, have been investigated. This study aimed to validate a method to quantify CTCs in peripheral blood using a real-time reverse transcriptase polymerase chain reaction (RT-PCR) assay for cytokeratin (CK)-19 and to evaluate the utility of this assay in detecting CTCs in breast cancer patients. MATERIALS AND METHODS Real-time monitoring PCR of fluorescently labeled specific hybridization probes for CK-19 mRNA was established. Peripheral blood samples from 30 healthy donors, 69 patients with early breast cancer, 47 patients with locally advanced breast cancer, and 126 patients with metastatic breast cancer were prospectively obtained and analyzed for CTC detection. RESULTS CK-19 mRNA was not detectable in healthy subjects using the real-time RT-PCR method. The detection rates of CK-19 mRNA in breast cancer patients were 47.8% for early breast cancer (33/69), 46.8% for locally advanced breast cancer (22/47), and 61.1% for metastatic breast cancer (77/129). The detection rate of CK-19-positive CTCs in metastatic disease was slightly higher than early or locally advanced breast cancer; however, the detection rate according to disease burden was not statistically different (p=0.097). The detection rate was higher in patients with pleural metastasis (p=0.045). CTC detection was associated with poor survival (p=0.014). CONCLUSION A highly specific and sensitive CK-19 mRNA-based method to detect CTCs in peripheral blood in breast cancer patients can be used in further prospective studies to evaluate the predictive and prognostic importance of CTCs.
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Affiliation(s)
- Hyung Seok Park
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Hyun Ju Han
- Avison Biomedical Research Center, Yonsei University College of Medicine, Seoul, Korea
| | - Soohyeon Lee
- Division of Medical Oncology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Gun Min Kim
- Division of Medical Oncology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Seho Park
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Yeon A Choi
- Avison Biomedical Research Center, Yonsei University College of Medicine, Seoul, Korea
| | - Jeong Dong Lee
- Avison Biomedical Research Center, Yonsei University College of Medicine, Seoul, Korea
| | - Gi Moon Kim
- Avison Biomedical Research Center, Yonsei University College of Medicine, Seoul, Korea
| | - Joohyuk Sohn
- Division of Medical Oncology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
| | - Seung Il Kim
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.
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153
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Schäff CT, Gruse J, Maciej J, Mielenz M, Wirthgen E, Hoeflich A, Schmicke M, Pfuhl R, Jawor P, Stefaniak T, Hammon HM. Effects of Feeding Milk Replacer Ad Libitum or in Restricted Amounts for the First Five Weeks of Life on the Growth, Metabolic Adaptation, and Immune Status of Newborn Calves. PLoS One 2016; 11:e0168974. [PMID: 28036351 PMCID: PMC5201283 DOI: 10.1371/journal.pone.0168974] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 12/10/2016] [Indexed: 11/25/2022] Open
Abstract
The pre-weaning period is critical for calf health and growth, and intensive milk feeding programs may assist postnatal development by improving body growth and organ maturation. The aim of the present work was to study the effects of ad libitum milk replacer (MR) feeding on the growth, metabolic adaptation, health, and immune status of newborn calves. Twenty-eight newborn Holstein and Holstein x Charolais crossbred calves were fed ad libitum (ADLIB) or in restricted amounts (6 liters per day; RES) during the first five weeks of life. The MR intake in the ADLIB treatment was gradually reduced at weeks 6 and 7, and all calves then received 6 liters of MR per day until day 60. Blood samples were collected to measure the plasma concentrations of metabolites, insulin, insulin-like growth factor (IGF)-I and IGF binding proteins (IGFBP), immunoglobulins, and acute phase proteins. The expression of mRNA associated with both the somatotropic axis and gluconeogenic enzymes was measured in the liver on day 60. Intensive feeding improved MR intake and growth in ADLIB without influencing concentrate intake. Carcass weight, perirenal fat, and muscle mass were greater in ADLIB. Plasma concentrations of glucose, triglycerides, insulin, and IGF-I were greater, whereas plasma concentrations of β-hydroxybutyrate, total protein, albumin, urea, IGFBP-2 and -4, and fibrinogen were lower at distinct time points in ADLIB. The hepatic mRNA expression of cytosolic phosphoenolpyruvate carboxykinase was greater in ADLIB. Most metabolic and endocrine differences occurred during the MR feeding period, but a slightly greater concentrate intake was associated with increased plasma IGF-I and insulin at the end of the study. The immune and health status of the calves were not affected by MR feeding. However, increased plasma fibrinogen in the RES group suggested differences in the acute phase response.
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Affiliation(s)
- Christine T. Schäff
- Institute of Nutritional Physiology “Oskar Kellner”, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Jeannine Gruse
- Institute of Nutritional Physiology “Oskar Kellner”, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Josefine Maciej
- Institute of Nutritional Physiology “Oskar Kellner”, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Manfred Mielenz
- Institute of Nutritional Physiology “Oskar Kellner”, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Elisa Wirthgen
- Institute for Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
- Ligandis GbR, Gülzow-Prüzen, Germany
| | - Andreas Hoeflich
- Institute for Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Marion Schmicke
- Clinic for Cattle, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Ralf Pfuhl
- Institute for Muscle Biology and Growth, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - Paulina Jawor
- Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Tadeusz Stefaniak
- Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Harald M. Hammon
- Institute of Nutritional Physiology “Oskar Kellner”, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
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154
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Bobińska K, Gałecka E, Szemraj J, Gałecki P, Talarowska M. Is there a link between TNF gene expression and cognitive deficits in depression? Acta Biochim Pol 2016; 64:65-73. [PMID: 27991935 DOI: 10.18388/abp.2016_1276] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [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: 02/22/2016] [Revised: 09/19/2016] [Accepted: 11/16/2016] [Indexed: 11/10/2022]
Abstract
Neuroinflammation is a known factor in the pathogenesis of recurrent depressive disorders. Depression is accompanied by activated immune-inflammatory pathways including increased levels of TNFα, sTNFR1and sTNFR2.The purpose of this study was to analyse the TNF-α, TNFRSF1A and TNFRSF1B genes on both mRNA and protein levels in patients with rDD, and to investigate the relationship between TNF-α,TNFRSF1A and TNFRSF1B gene expression and cognitive performance. The study comprised 158 subjects: patients with recurrent depressive disorder (n=89) and healthy subjects (n=69). Cognitive function assessment was based on: Trail Making Test, The Stroop Test, Verbal Fluency Test and Auditory Verbal Learning Test. Both mRNA and protein expression levels of all genes were significantly higher in rDD subjects when compared to healthy controls. No statistically significant correlations were observed between the analysed variables in both the rDD group and the HS test group. The only exception was noticed in the HS test group, where increased expression of TNFRSF1A and TNFRSF1B gene negatively affected the performance of the AVLT test. However, statistically significant correlations between TNF, TNFRSF1A, TNFRSF1B mRNA gene expression levels and all the neuropsychological tests used in the survey for the entire group were observed. CONCLUSIONS 1.The results of our study show increased expression of the TNF, TNFRSF1A and TNFRSF1B genes on both mRNA and protein levels in depression. 2. Elevated expression of TNF-α, TNFRSF1A and TNFRSF1B negatively correlates with cognitive efficiency: working memory, executive functions, attention, auditory-verbal memory, effectiveness of learning processes and verbal fluency.
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Affiliation(s)
- Kinga Bobińska
- Department of Adult Psychiatry, Medical University of Lodz, Łódź, Poland
| | - Elżbieta Gałecka
- Department of Pulmonology and Allergology, Medical University of Lodz, Łódź, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University of Lodz, Łódź, Poland
| | - Piotr Gałecki
- Department of Adult Psychiatry, Medical University of Lodz, Łódź, Poland
| | - Monika Talarowska
- Department of Adult Psychiatry, Medical University of Lodz, Łódź, Poland
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155
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Jablonska E, Reszka E, Gromadzinska J, Wieczorek E, Krol MB, Raimondi S, Socha K, Borawska MH, Wasowicz W. The Effect of Selenium Supplementation on Glucose Homeostasis and the Expression of Genes Related to Glucose Metabolism. Nutrients 2016; 8:nu8120772. [PMID: 27983572 PMCID: PMC5188427 DOI: 10.3390/nu8120772] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 11/15/2016] [Accepted: 11/24/2016] [Indexed: 12/17/2022] Open
Abstract
The aim of the study was to evaluate the effect of selenium supplementation on the expression of genes associated with glucose metabolism in humans, in order to explain the unclear relationship between selenium and the risk of diabetes. For gene expression analysis we used archival samples of cDNA from 76 non-diabetic subjects supplemented with selenium in the previous study. The supplementation period was six weeks and the daily dose of selenium was 200 µg (as selenium yeast). Blood for mRNA isolation was collected at four time points: before supplementation, after two and four weeks of supplementation, and after four weeks of washout. The analysis included 15 genes encoding selected proteins involved in insulin signaling and glucose metabolism. In addition, HbA1c and fasting plasma glucose were measured at three and four time points, respectively. Selenium supplementation was associated with a significantly decreased level of HbA1c but not fasting plasma glucose (FPG) and significant down-regulation of seven genes: INSR, ADIPOR1, LDHA, PDHA, PDHB, MYC, and HIF1AN. These results suggest that selenium may affect glycemic control at different levels of regulation, linked to insulin signaling, glycolysis, and pyruvate metabolism. Further research is needed to investigate mechanisms of such transcriptional regulation and its potential implication in direct metabolic effects.
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Affiliation(s)
- Ewa Jablonska
- Nofer Institute of Occupational Medicine, Department of Toxicology and Carcinogenesis, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
| | - Edyta Reszka
- Nofer Institute of Occupational Medicine, Department of Toxicology and Carcinogenesis, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
| | - Jolanta Gromadzinska
- Nofer Institute of Occupational Medicine, Department of Biological and Environmental Monitoring, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
| | - Edyta Wieczorek
- Nofer Institute of Occupational Medicine, Department of Toxicology and Carcinogenesis, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
| | - Magdalena B Krol
- Nofer Institute of Occupational Medicine, Department of Biological and Environmental Monitoring, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
| | - Sara Raimondi
- European Institute of Oncology, Division of Epidemiology and Biostatistics, via Ripamonti 435, Milan 20139, Italy.
| | - Katarzyna Socha
- The Medical University of Bialystok, Department of Bromatoloy, A. Mickiewicza 2D Street, 15-222 Bialystok, Poland.
| | - Maria H Borawska
- The Medical University of Bialystok, Department of Bromatoloy, A. Mickiewicza 2D Street, 15-222 Bialystok, Poland.
| | - Wojciech Wasowicz
- Nofer Institute of Occupational Medicine, Department of Biological and Environmental Monitoring, Sw. Teresy 8 Street, 91-348 Lodz, Poland.
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156
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Jenum S, Bakken R, Dhanasekaran S, Mukherjee A, Lodha R, Singh S, Singh V, Haks MC, Ottenhoff THM, Kabra SK, Doherty TM, Ritz C, Grewal HMS. BLR1 and FCGR1A transcripts in peripheral blood associate with the extent of intrathoracic tuberculosis in children and predict treatment outcome. Sci Rep 2016; 6:38841. [PMID: 27941850 PMCID: PMC5150239 DOI: 10.1038/srep38841] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 11/08/2016] [Indexed: 02/07/2023] Open
Abstract
Biomarkers reflecting the extent of Mycobacterium tuberculosis-induced pathology and normalization during anti-tuberculosis treatment (ATT) would considerably facilitate trials of new treatment regimens and the identification of patients with treatment failure. Therefore, in a cohort of 99 Indian children with intrathoracic tuberculosis (TB), we performed blood transcriptome kinetic analysis during ATT to explore 1) the association between transcriptional biomarkers in whole blood (WB) and the extent of TB disease at diagnosis and treatment outcomes at 2 and 6 months, and 2) the potential of the biomarkers to predict treatment response at 2 and 6 months. We present the first data on the association between transcriptional biomarkers and the extent of TB disease as well as outcome of ATT in children: Expression of three genes down-regulated on ATT (FCGR1A, FPR1 and MMP9) exhibited a positive correlation with the extent of TB disease, whereas expression of eight up-regulated genes (BCL, BLR1, CASP8, CD3E, CD4, CD19, IL7R and TGFBR2) exhibited a negative correlation with the extent of disease. Baseline levels of these transcripts displayed an individual capacity >70% to predict the six-month treatment outcome. In particular, BLR1 and FCGR1A seem to have a potential in monitoring and perhaps tailoring future antituberculosis therapy.
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Affiliation(s)
- Synne Jenum
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
- Department of Infectious Diseases, Oslo University Hospital, Oslo, Norway
| | - Rasmus Bakken
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
| | - S. Dhanasekaran
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
| | - Aparna Mukherjee
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Rakesh Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Sarman Singh
- Division of Clinical Microbiology & Molecular Medicine, Department of Laboratory Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Varinder Singh
- Department of Pediatrics, Kalawati Saran Children Hospital, New Delhi, India
| | - Marielle C. Haks
- Department of Infectious Diseases Group, Immunology and Immunogenetics of Bacterial Infectious Disease, Leiden University Medical Center, The Netherland
| | - Tom H. M. Ottenhoff
- Department of Infectious Diseases Group, Immunology and Immunogenetics of Bacterial Infectious Disease, Leiden University Medical Center, The Netherland
| | - S. K. Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | | | - Christian Ritz
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Denmark
| | - Harleen M. S. Grewal
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
- Department of Microbiology, Haukeland university hospital, University of Bergen, N-5021, Norway
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157
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Abstract
Molecular monitoring of BCR-ABL1 transcripts for patients with chronic myeloid leukemia (CML) is now used to assess response to tyrosine kinase inhibitors (TKIs), including treatment failure that mandates a change of therapy. Therefore, many centers have adopted the molecular technique for measuring BCR-ABL1 and rely on conversion of values to the international reporting scale for appropriate clinical interpretation. However, the technique has a degree of inherent variability despite standardized procedures, which means care should be taken by the clinician when assessing response based on BCR-ABL1 cutoff limits. The last few years have witnessed the emergence of a new molecular response target, which is the achievement and maintenance of a deep molecular response. The ability to achieve treatment-free remission for some patients has shifted the relevant boundary for molecular response. However, the definitive safe BCR-ABL1 transcript level and length of the maintenance phase after which treatment cessation can be attempted has not yet been determined. For patients with TKI resistance, BCR-ABL1 kinase domain mutation analysis remains an essential assessment to guide therapy. Furthermore, low-level mutation detection is clinically relevant for response prediction to subsequent TKI therapy for some patients. Multiple low-level mutations may be a biomarker of a clonally diverse disease with the propensity for resistance evolution. Overall, molecular monitoring, including low-level monitoring is a fundamental component of management for patients with CML.
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MESH Headings
- Drug Resistance, Neoplasm
- Fusion Proteins, bcr-abl/blood
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/enzymology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Protein Kinase Inhibitors/therapeutic use
- RNA, Messenger/blood
- RNA, Messenger/genetics
- RNA, Neoplasm/blood
- RNA, Neoplasm/genetics
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Affiliation(s)
- Susan Branford
- Department of Genetics and Molecular Pathology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; School of Pharmacy and Medical Science, University of South Australia, Adelaide, Australia; School of Medicine; and School of Molecular and Biomedical Science, University of Adelaide, Adelaide, Australia
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158
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Ho NT, Busik JV, Resau JH, Paneth N, Khoo SK. Effect of storage time on gene expression data acquired from unfrozen archived newborn blood spots. Mol Genet Metab 2016; 119:207-213. [PMID: 27553879 PMCID: PMC5083152 DOI: 10.1016/j.ymgme.2016.08.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 08/13/2016] [Indexed: 01/11/2023]
Abstract
Unfrozen archived newborn blood spots (NBS) have been shown to retain sufficient messenger RNA (mRNA) for gene expression profiling. However, the effect of storage time at ambient temperature for NBS samples in relation to the quality of gene expression data is relatively unknown. Here, we evaluated mRNA expression from quantitative real-time PCR (qRT-PCR) and microarray data obtained from NBS samples stored at ambient temperature to determine the effect of storage time on the quality of gene expression. These data were generated in a previous case-control study examining NBS in 53 children with cerebral palsy (CP) and 53 matched controls. NBS sample storage period ranged from 3 to 16years at ambient temperature. We found persistently low RNA integrity numbers (RIN=2.3±0.71) and 28S/18S rRNA ratios (~0) across NBS samples for all storage periods. In both qRT-PCR and microarray data, the expression of three common housekeeping genes-beta cytoskeletal actin (ACTB), glyceraldehyde 3-phosphate dehydrogenase (GAPDH), and peptidylprolyl isomerase A (PPIA)-decreased with increased storage time. Median values of each microarray probe intensity at log2 scale also decreased over time. After eight years of storage, probe intensity values were largely reduced to background intensity levels. Of 21,500 genes tested, 89% significantly decreased in signal intensity, with 13,551, 10,730, and 9925 genes detected within 5years, > 5 to <10years, and >10years of storage, respectively. We also examined the expression of two gender-specific genes (X inactivation-specific transcript, XIST and lysine-specific demethylase 5D, KDM5D) and seven gene sets representing the inflammatory, hypoxic, coagulative, and thyroidal pathways hypothesized to be related to CP risk to determine the effect of storage time on the detection of these biologically relevant genes. We found the gender-specific genes and CP-related gene sets detectable in all storage periods, but exhibited differential expression (between male vs. female or CP vs. control) only within the first six years of storage. We concluded that gene expression data quality deteriorates in unfrozen archived NBS over time and that differential gene expression profiling and analysis is recommended for those NBS samples collected and stored within six years at ambient temperature.
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Affiliation(s)
- Nhan T Ho
- Department of Epidemiology & Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, USA
| | - Julia V Busik
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - James H Resau
- Graduate School, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Nigel Paneth
- Department of Epidemiology & Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, USA; Department of Pediatrics & Human Development, College of Human Medicine, Michigan State University, East Lansing, MI, USA
| | - Sok Kean Khoo
- Department of Cell and Molecular Biology, Grand Valley State University, Allendale, MI, USA.
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159
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Abstract
CONTEXT Endogenous Cushing's syndrome is caused by chronically elevated levels of cortisol. Mifepristone, a glucocorticoid receptor (GR) antagonist, is approved for the treatment of Cushing's syndrome. Currently there is an unmet clinical need for a direct biochemical method for monitoring the immediate effectiveness of mifepristone in patients with Cushing's syndrome. The glucocorticoid induction of FK506-binding protein 5 (FKBP5) expression is rapid and has been shown to be attenuated by GR antagonists in a range of in vitro and in vivo models. OBJECTIVE The objective of the study was to develop a quantitative PCR assay for FKBP5 mRNA expression in blood and apply it to measure the inhibition of glucocorticoid-induced FKBP5 expression by GR antagonists in healthy human subjects. METHODS Briefly, blood samples were acquired from a phase I study in which healthy human subjects were administered either a single dose of the GR agonist prednisone with and without coadministration of a single oral dose of mifepristone or glucocorticoid receptor antagonist (CORT125134) or multiple daily doses of CORT125134 over 14 days with coadministration of prednisone with the final dose. FKBP5 mRNA levels were analyzed by quantitative PCR in blood samples collected at selected time points. SETTING The study was conducted at Quotient Clinical (Nottingham, United Kingdom). RESULTS Oral administration of the glucocorticoid prednisone to healthy human subjects resulted in a time-dependent increase of FKBP5 mRNA to peak levels of approximately 12-fold compared with unstimulated levels within 4 hours of steroid administration, followed by a reduction to baseline levels within 24 hours. Furthermore, oral administration of mifepristone or the selective GR antagonist CORT125134 had the desired effect of inhibiting prednisone-mediated activation of GR as seen by a reduction of FKBP5 mRNA levels. CONCLUSIONS The inhibition of FKBP5 mRNA expression by a selective GR antagonist is a potential clinical biomarker of GR antagonism.
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Affiliation(s)
- Utsav Bali
- Bioscience Department (U.B., T.P., J.U.), Sygnature Discovery Ltd, BioCity, Nottingham NG1 1GF, United Kingdom; and Corcept Therapeutics (H.H.), Menlo Park, California 94025
| | - Tim Phillips
- Bioscience Department (U.B., T.P., J.U.), Sygnature Discovery Ltd, BioCity, Nottingham NG1 1GF, United Kingdom; and Corcept Therapeutics (H.H.), Menlo Park, California 94025
| | - Hazel Hunt
- Bioscience Department (U.B., T.P., J.U.), Sygnature Discovery Ltd, BioCity, Nottingham NG1 1GF, United Kingdom; and Corcept Therapeutics (H.H.), Menlo Park, California 94025
| | - John Unitt
- Bioscience Department (U.B., T.P., J.U.), Sygnature Discovery Ltd, BioCity, Nottingham NG1 1GF, United Kingdom; and Corcept Therapeutics (H.H.), Menlo Park, California 94025
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160
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Calvopina DA, Coleman MA, Lewindon PJ, Ramm GA. Function and Regulation of MicroRNAs and Their Potential as Biomarkers in Paediatric Liver Disease. Int J Mol Sci 2016; 17:ijms17111795. [PMID: 27801781 PMCID: PMC5133796 DOI: 10.3390/ijms17111795] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 10/18/2016] [Accepted: 10/20/2016] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNAs involved in biological and pathological processes of every cell type, including liver cells. Transcribed from specific genes, miRNA precursors are processed in the cytoplasm into mature miRNAs and as part of the RNA-induced silencing complex (RISC) complex binds to messenger RNA (mRNA) by imperfect complementarity. This leads to the regulation of gene expression at a post-transcriptional level. The function of a number of different miRNAs in fibrogenesis associated with the progression of chronic liver disease has recently been elucidated. Furthermore, miRNAs have been shown to be both disease-and tissue-specific and are stable in the circulation, which has led to increasing investigation on their utility as biomarkers for the diagnosis of chronic liver diseases, including those in children. Here, we review the current knowledge on the biogenesis of microRNA, the mechanisms of translational repression and the use of miRNA as circulatory biomarkers in chronic paediatric liver diseases including cystic fibrosis associated liver disease, biliary atresia and viral hepatitis B.
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Affiliation(s)
- Diego A Calvopina
- Hepatic Fibrosis Group, QIMR Berghofer Medical Research Institute, 300 Herston Rd, Herston, QLD 4006, Australia.
| | - Miranda A Coleman
- Hepatic Fibrosis Group, QIMR Berghofer Medical Research Institute, 300 Herston Rd, Herston, QLD 4006, Australia.
| | - Peter J Lewindon
- Hepatic Fibrosis Group, QIMR Berghofer Medical Research Institute, 300 Herston Rd, Herston, QLD 4006, Australia.
- Department of Gastroenterology and Hepatology, Lady Cilento Children's Hospital, 501 Stanley St, South Brisbane, QLD 4101, Australia.
- Faculty of Medicine and Biomedical Sciences, The University of Queensland, Brisbane, QLD 4006, Australia.
| | - Grant A Ramm
- Hepatic Fibrosis Group, QIMR Berghofer Medical Research Institute, 300 Herston Rd, Herston, QLD 4006, Australia.
- Faculty of Medicine and Biomedical Sciences, The University of Queensland, Brisbane, QLD 4006, Australia.
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161
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Thomas BC, Kay JD, Menon S, Vowler SL, Dawson SN, Bucklow LJ, Luxton HJ, Johnston T, Massie CE, Pugh M, Warren AY, Barker P, Burling K, Lynch AG, George A, Burge J, Corcoran M, Stearn S, Lamb AD, Sharma NL, Shaw GL, Neal DE, Whitaker HC. Whole blood mRNA in prostate cancer reveals a four-gene androgen regulated panel. Endocr Relat Cancer 2016; 23:797-812. [PMID: 27578825 DOI: 10.1530/erc-16-0287] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 08/10/2016] [Indexed: 01/05/2023]
Abstract
Due to increased sensitivity, the expression of circulating nucleotides is rapidly gaining popularity in cancer diagnosis. Whole blood mRNA has been used in studies on a number of cancers, most notably two separate studies that used whole blood mRNA to define non-overlapping signatures of prostate cancer that has become castration independent. Prostate cancer is known to rely on androgens for initial growth, and there is increasing evidence on the importance of the androgen axis in advanced disease. Using whole blood mRNA samples from patients with prostate cancer, we have identified the four-gene panel of FAM129A, MME, KRT7 and SOD2 in circulating mRNA that are differentially expressed in a discovery cohort of metastatic samples. Validation of these genes at the mRNA and protein level was undertaken in additional cohorts defined by risk of relapse following surgery and hormone status. All the four genes were downregulated at the mRNA level in the circulation and in primary tissue, but this was not always reflected in tissue protein expression. MME demonstrated significant differences in the hormone cohorts, whereas FAM129A is downregulated at the mRNA level but is raised at the protein level in tumours. Using published ChIP-seq data, we have demonstrated that this may be due to AR binding at the FAM129A and MME loci in multiple cell lines. These data suggest that whole blood mRNA of androgen-regulated genes has the potential to be used for diagnosis and monitoring of prostate cancer.
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Affiliation(s)
- Benjamin C Thomas
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Jonathan D Kay
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Molecular Diagnostics and Therapeutics GroupUniversity College London, London, UK
| | - Suraj Menon
- Bioinformatics and Statistics Core FacilityCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Astra Zeneca2 Riverside, Granta Park, Cambridge, UK
| | - Sarah L Vowler
- Bioinformatics and Statistics Core FacilityCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Astra Zeneca2 Riverside, Granta Park, Cambridge, UK
| | - Sarah N Dawson
- Bioinformatics and Statistics Core FacilityCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Laura J Bucklow
- Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Hayley J Luxton
- Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Molecular Diagnostics and Therapeutics GroupUniversity College London, London, UK
| | - Thomas Johnston
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Charlie E Massie
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Molecular and Computational Diagnostics GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Michelle Pugh
- Genomics Core FacilityCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Anne Y Warren
- Department of HistopathologyCambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Peter Barker
- National Institute for Health Research Cambridge Biomedical Research Centre Core Biochemistry Assay LaboratoryCambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Keith Burling
- National Institute for Health Research Cambridge Biomedical Research Centre Core Biochemistry Assay LaboratoryCambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Andy G Lynch
- Computational Biology GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Anne George
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Johanna Burge
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Marie Corcoran
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Sara Stearn
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Alastair D Lamb
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Naomi L Sharma
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK
| | - Greg L Shaw
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK University College Hospital at Westmoreland StreetLondon, UK
| | - David E Neal
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Nuffield Department of Surgical SciencesJohn Radcliffe Hospital, Headington, Oxford, UK
| | - Hayley C Whitaker
- Uro-Oncology Research GroupCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Biomarker InitiativeCancer Research UK Cambridge Institute, Robinson Way, Cambridge, UK Molecular Diagnostics and Therapeutics GroupUniversity College London, London, UK
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162
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Liang J, Yin G, Chen M, Wu A. Detection of hTERT mRNA in peripheral blood and its implication for diagnosis of early stage postoperative endometrial cancer micrometastasis. Panminerva Med 2016; 58:206-210. [PMID: 27120048] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND The aim of this study was to examine the expression of human telomerase reverse transcriptase (hTERT) in peripheral blood of endometrial cancer (EC) patients before and after surgery, and explore its clinical implication for diagnosis of early stage postoperative EC micrometastases. METHODS Fluorescence quantitative polymerase chain reaction (FQ-PCR) was used to determine the expression level of hTERT mRNA in peripheral blood of 40 healthy controls, 40 patients with benign uterine diseases, and 56 EC patients before and after surgery. All data were analyzed using SPSS Statistics v.17.0 software. RESULTS hTERT mRNA in peripheral blood was positive in 57.1% of EC patients (32/56), which is significantly higher compared to 0.0% (0/40) in healthy controls (χ2=34.286, P=0.000) and 5.0% (2/40) in patients with benign uterine diseases (χ2=27.736, P=0.000). The 32 EC patients with positive hTERT mRNA expression included 16 cases of stage I~II, and 16 cases of stage III~IV. The relative expression level of hTERT mRNA is -4.0000±0.2401 for stage I~II, and -2.7107±0.1253 for stage III~IV. The relative expression level of hTERT mRNA was significantly higher in EC patients with at higher pathological stages (t=-14.398, P=0.000). hTERT mRNA positive expression rates in peripheral blood of EC patients before and after surgery were 57.1% (32/56) and 85.7% (48/56), respectively, which is significantly different (χ2=11.200, P=0.001). CONCLUSIONS hTERT can be used as a marker for diagnosis of endometrial cancer micrometastasis via blood, and therefore has important value in choosing postoperative adjunctive therapy for early stage endometrial cancer.
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Affiliation(s)
- Jing Liang
- Department of Gynecology, Jinan Military General Hospital, Jinan, China -
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163
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Park YJ, Park MJ, Park S, Lee ES. CD11c is upregulated in CD8+ T cells of patients with Behçet's disease. Clin Exp Rheumatol 2016; 34:S86-S91. [PMID: 27309860] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 04/21/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVES Single nucleotide polymorphisms of CD11a and CD11c have been suggested as susceptibility loci in Korean patients with Behçet's disease (BD). As immunoregulatory roles of CD11c+CD8+T cells were previously observed in multiple autoimmune and autoinflammatory diseases, we aimed to investigate CD11a and CD11c in CD4+ and CD8+ subpopulation of BD patients. METHODS Peripheral-blood mononuclear cells were isolated from 21 patients with active BD, 26 patients with inactive BD, 20 patients with recurrent aphthous ulcers (RAU), and 23 healthy controls (HCs). The surface expression of CD11a and CD11c in CD4+ and CD8+ cell populations was analyzed by flow cytometry, and CD11a and CD11c mRNA and protein levels from puri ed CD8(+) T cells were analyzed using real-time polymerase chain reaction and western blot. RESULTS The frequencies of CD11a+ and CD11c+ cells were significantly increased in the CD4+ and CD8+ cell populations of active-BD patients, respectively, than that in the HCs. Additionally, both CD11a and CD11c mRNA and protein levels were significantly elevated in the CD8+ T cells of active-BD patients than that in the HCs. CONCLUSIONS The CD8+ T cells of BD patients exhibited increased CD11c expression levels. Upregulation of CD11c in CD8+ cells may contribute to BD pathogenesis.
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Affiliation(s)
- Young Joon Park
- Department of Dermatology, Ajou University School of Medicine, Suwon, South Korea
| | - Mi Jin Park
- Department of Dermatology, Ajou University School of Medicine, Suwon, South Korea
| | - Sun Park
- Department of Microbiology, Ajou University School of Medicine, Suwon, South Korea
| | - Eun-So Lee
- Department of Dermatology, Ajou University School of Medicine, Suwon, South Korea.
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164
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Binz N, Rakoczy EP, Ali Rahman IS, Vagaja NN, Lai CM. Biomarkers for Diabetic Retinopathy - Could Endothelin 2 Be Part of the Answer? PLoS One 2016; 11:e0160442. [PMID: 27482904 PMCID: PMC4970817 DOI: 10.1371/journal.pone.0160442] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 07/19/2016] [Indexed: 12/17/2022] Open
Abstract
Purpose The endothelins are a family of three highly conserved and homologous vasoactive peptides that are expressed across all organ systems. Endothelin (Edn) dysregulation has been implicated in a number of pathophysiologies, including diabetes and diabetes-related complications. Here we examined Edn2 and endothelin receptor B (Endrb) expression in retinae of diabetic mouse models and measured serum Edn2 to assess its biomarker potential. Materials and Methods Edn2 and Ednrb mRNA and Edn2 protein expression were assessed in young (8wk) and mature (24wk) C57Bl/6 (wild type; wt), Kimba (model of retinal neovascularisation, RNV), Akita (Type 1 diabetes; T1D) and Akimba mice (T1D plus RNV) by qRT-PCR and immunohistochemistry. Edn2 protein concentration in serum was measured using ELISA. Results Fold-changes in Edn2 and Ednrb mRNA were seen only in young Kimba (Edn2: 5.3; Ednrb: 6.0) and young Akimba (Edn2: 7.9, Ednrb: 8.8) and in mature Kimba (Edn2:9.2, Ednrb:11.2) and mature Akimba (Edn2:14.0, Ednrb:17.5) mice. Co-localisation of Edn2 with Müller-cell-specific glutamine synthetase demonstrated Müller cells and photoreceptors as the major cell types for Edn2 expression in all animal models. Edn2 serum concentrations in young Kimba, Akita and Akimba mice were not elevated compared to wt. However, in mature mice, Edn2 serum concentration was increased in Akimba (6.9pg/mg total serum protein) compared to wt, Kimba and Akita mice (3.9, 4.6, and 3.8pg/mg total serum protein, respectively; p<0.05). Conclusions These results demonstrated that long-term hyperglycaemia in conjunction with VEGF-driven RNV increased Edn2 serum concentration suggesting Edn2 might be a candidate biomarker for vascular changes in diabetic retinopathy.
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MESH Headings
- Animals
- Biomarkers/blood
- Blood Glucose/metabolism
- Diabetes Mellitus, Type 1/blood
- Diabetes Mellitus, Type 1/diagnosis
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 1/pathology
- Disease Models, Animal
- Endothelin-2/blood
- Endothelin-2/genetics
- Ependymoglial Cells/metabolism
- Ependymoglial Cells/pathology
- Gene Expression
- Glycated Hemoglobin/metabolism
- Hyperglycemia/blood
- Hyperglycemia/diagnosis
- Hyperglycemia/genetics
- Hyperglycemia/pathology
- Mice
- Mice, Inbred C57BL
- Mice, Inbred Strains
- Photoreceptor Cells, Vertebrate/metabolism
- Photoreceptor Cells, Vertebrate/pathology
- RNA, Messenger/blood
- RNA, Messenger/genetics
- Receptor, Endothelin B/blood
- Receptor, Endothelin B/genetics
- Retinal Neovascularization/blood
- Retinal Neovascularization/diagnosis
- Retinal Neovascularization/genetics
- Retinal Neovascularization/pathology
- Vascular Endothelial Growth Factor A/blood
- Vascular Endothelial Growth Factor A/genetics
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Affiliation(s)
- Nicolette Binz
- Molecular Ophthalmology, Lions Eye Institute, Nedlands, WA, 6009, Australia
| | - Elizabeth P. Rakoczy
- Molecular Ophthalmology, Lions Eye Institute, Nedlands, WA, 6009, Australia
- Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, WA, 6009, Australia
- * E-mail:
| | - Ireni S. Ali Rahman
- Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Nermina N. Vagaja
- Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Chooi-May Lai
- Molecular Ophthalmology, Lions Eye Institute, Nedlands, WA, 6009, Australia
- Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, WA, 6009, Australia
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165
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Reusing SB, Manser AR, Enczmann J, Mulder A, Claas FH, Carrington M, Fischer JC, Borkhardt A, Babor F, Uhrberg M. Selective downregulation of HLA-C and HLA-E in childhood acute lymphoblastic leukaemia. Br J Haematol 2016; 174:477-80. [PMID: 26527563 PMCID: PMC4854806 DOI: 10.1111/bjh.13777] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Sarah B Reusing
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University, Düsseldorf, Germany
| | - Angela R Manser
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University, Düsseldorf, Germany
| | - Jürgen Enczmann
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University, Düsseldorf, Germany
| | - Arend Mulder
- Department of Immunohaematology and Bloodtransfusion, Leiden University Medical Centre, Leiden, the Netherlands
| | - Frans H Claas
- Department of Immunohaematology and Bloodtransfusion, Leiden University Medical Centre, Leiden, the Netherlands
| | - Mary Carrington
- Cancer and Inflammation Program, Laboratory of Experimental Immunology, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
- Ragon Institute of MGH MIT and Harvard, Cambridge, MA, USA
| | - Johannes C Fischer
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University, Düsseldorf, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Centre for Child and Adolescent Health, Heinrich Heine University, Düsseldorf, Germany
| | - Florian Babor
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Centre for Child and Adolescent Health, Heinrich Heine University, Düsseldorf, Germany
| | - Markus Uhrberg
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich Heine University, Düsseldorf, Germany.
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166
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DU XM, Liu LW, DU ZK, Gu RX, Han YL, Wang XZ. Association of TNF-α gene variations with thoracic aortic dissection risk in a Chinese Han population. INT ANGIOL 2016; 35:418-424. [PMID: 26544637] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Chronic inflammation may be involved in pathogenesis of thoracic aortic dissection (TAD). Tumor necrosis factor-alpha (TNF-α) is a proinflammatory cytokine that plays an important role in pathological TAD progression. In this study, we determined wether genetic variants of TNF-α were associated with TAD. METHODS Frequency distributions of TNF-α promoter polymorphisms (-1031C/T,-857C/T,-308G/A, and -238G/A) were determined by direct sequencing. TNF-α plasma levels were measured by enzyme-linked immunosorbent assay. Plasma levels of TNF-α mRNA in peripheral-blood mononuclear cells were analyzed by real-time quantitative polymerase chain reaction amplification. RESULTS We found the TNF-α promoter -857C/T polymorphism is associated with disease progression susceptibility in TAD patients. The CC homozygote of TAD patients had a significantly higher risk of TAD than did T allele carriers (P< 0.05). Plasma TNF-α concentrations were also significantly higher in TAD patients than control subjects (P<0.05), and CC genotype carriers showed increased TNF-α levels compared with T allele carriers (P<0.05). Moreover, peripheral-blood mononuclear cells carrying the CC genotype showed increased TNF-α mRNA levels compared with cells carrying the T allele. CONCLUSIONS The -857C/T polymorphism of TNF-α promoter plays a role in the genetic variation underlying susceptibility of individuals to TAD progression. The CC genotype is associated with increased TNF-α expression in TAD patients, and may be an independent predictive factor for TAD.
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Affiliation(s)
- Xiao M DU
- Department of Cardiology, Cardiovascular Research Institute, the General Hospital of Shenyang Military, Shenyang, Liaoning, China -
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167
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Abstract
The association of preterm birth with obesity and metabolic syndrome later in life is well established. Although the biological mechanism for this association is poorly understood, epigenetic alterations of metabolic-related genes in early life may have important roles in metabolic dysfunction. Thus, we investigated the associations of DNA methylations of melanocortin 4 receptor (MC4R) and hepatocyte nuclear factor 4 alpha (HNF4α) with metabolic profiles in cord blood of term and preterm infants.We measured metabolic profiles in cord blood samples of 85 term and 85 preterm infants. DNA methylation and mRNA expression levels of MC4R and HNF4α in cord blood cells were quantified using pyrosequencing and real-time PCR. Triglyceride (TG) levels were grouped by percentile as low (<10th percentile), mid (11th-89th percentiles), and high (>90th percentile). A multiple linear regression model was used to assess the differential effects of DNA methylation on metabolic indices in cord blood between term and preterm infants.The beta-coefficients for associations between TG levels and methylation statuses of MC4R-CpG3 and HNF4α-CpG2 in the P1 promoter differed significantly between term and preterm infants (P = 0.04 and P = 0.003, respectively). DNA methylation statuses of MC4R-CpG3 and HNF4α-CpG2 in the P1 promoter were significantly lower in preterm infants in the high-TG group compared with those in the mid- and low-TG groups (P = 0.01). Notably, preterm infants in the high-TG group had higher TG levels in cord blood than term infants in the high-TG group (60.49 vs 54.57 mg/dL). In addition, MC4R and HNF4α expression levels were higher in preterm infants than in term infants (P < 0.05).Epigenetic alterations of the newly identified genes MC4R and HNF4α in early life might contribute to metabolic profile changes, especially increased TG levels, in the cord blood of preterm infants.
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Affiliation(s)
- Eun Jin Kwon
- Department of Obstetrics and Gynecology
- Department of Occupational and Environmental Medicine
| | | | | | | | - Su Jin Cho
- Department of Pediatrics, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Eun Hee Ha
- Department of Occupational and Environmental Medicine
| | - Young Ju Kim
- Department of Obstetrics and Gynecology
- Correspondence: Young Ju Kim, Department of Obstetrics and Gynecology, School of Medicine, Ewha Womans University, 1071 Anyangcheon-ro, Yangcheon-ku, Seoul 158-710, Republic of Korea (e-mail: )
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Imamura T, Komatsu S, Ichikawa D, Kawaguchi T, Miyamae M, Okajima W, Ohashi T, Arita T, Konishi H, Shiozaki A, Morimura R, Ikoma H, Okamoto K, Otsuji E. Liquid biopsy in patients with pancreatic cancer: Circulating tumor cells and cell-free nucleic acids. World J Gastroenterol 2016; 22:5627-5641. [PMID: 27433079 PMCID: PMC4932201 DOI: 10.3748/wjg.v22.i25.5627] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Revised: 05/25/2016] [Accepted: 06/15/2016] [Indexed: 02/06/2023] Open
Abstract
Despite recent advances in surgical techniques and perioperative management, the prognosis of pancreatic cancer (PCa) remains extremely poor. To provide optimal treatment for each patient with Pca, superior biomarkers are urgently needed in all phases of management from early detection to staging, treatment monitoring, and prognosis. In the blood of patients with cancer, circulating tumor cells (CTCs) and cell-free nucleic acids (cfNAs), such as DNA, mRNA, and noncoding RNA have been recognized. In the recent years, their presence in the blood has encouraged researchers to investigate their potential use as novel blood biomarkers, and numerous studies have demonstrated their potential clinical utility as a biomarker for certain types of cancer. This concept, called “liquid biopsy” has been focused on as a less invasive, alternative approach to cancer tissue biopsy for obtaining genetic and epigenetic aberrations that contribute to oncogenesis and cancer progression. In this article, we review the available literature on CTCs and cfNAs in patients with cancer, particularly focusing on PCa, and discuss future perspectives in this field.
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169
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Mehta K, Busbridge M, Renshaw D, Evans RW, Farnaud S, Patel VB. Characterization of hepcidin response to holotransferrin in novel recombinant TfR1 HepG2 cells. Blood Cells Mol Dis 2016; 61:37-45. [PMID: 27667164 DOI: 10.1016/j.bcmd.2016.06.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 06/28/2016] [Accepted: 06/28/2016] [Indexed: 12/14/2022]
Abstract
Hepcidin is the key regulator of systemic iron homeostasis. The iron-sensing mechanisms and the role of intracellular iron in modulating hepatic hepcidin secretion are unclear. Therefore, we created a novel cell line, recombinant-TfR1 HepG2, expressing iron-response-element-independent TFRC mRNA to promote cellular iron-overload and examined the effect of excess holotransferrin (5g/L) on cell-surface TfR1, iron content, hepcidin secretion and mRNA expressions of TFRC, HAMP, SLC40A1, HFE and TFR2. Results showed that the recombinant cells exceeded levels of cell-surface TfR1 in wild-type cells under basal (2.8-fold; p<0.03) and holotransferrin-supplemented conditions for 24h and 48h (4.4- and 7.5-fold, respectively; p<0.01). Also, these cells showed higher intracellular iron content than wild-type cells under basal (3-fold; p<0.03) and holotransferrin-supplemented conditions (6.6-fold at 4h; p<0.01). However, hepcidin secretion was not higher than wild-type cells. Moreover, holotransferrin treatment to recombinant cells did not elevate HAMP responses compared to untreated or wild-type cells. In conclusion, increased intracellular iron content in recombinant cells did not increase hepcidin responses compared to wild-type cells, resembling hemochromatosis. Furthermore, TFR2 expression altered within 4h of treatment, while HFE expression altered later at 24h and 48h, suggesting that TFR2 may function prior to HFE in HAMP regulation.
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Affiliation(s)
- Kosha Mehta
- Department of Biomedical Sciences, University of Westminster, London, UK
| | - Mark Busbridge
- Department of Clinical Biochemistry, Charing Cross Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Derek Renshaw
- Faculty of Health & Life Sciences, Coventry University, Coventry, UK
| | - Robert W Evans
- School of Engineering and Design, Brunel University, London, UK
| | | | - Vinood B Patel
- Department of Biomedical Sciences, University of Westminster, London, UK.
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170
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Simó-Servat O, Simó R, Hernández C. Circulating Biomarkers of Diabetic Retinopathy: An Overview Based on Physiopathology. J Diabetes Res 2016; 2016:5263798. [PMID: 27376090 PMCID: PMC4916280 DOI: 10.1155/2016/5263798] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Accepted: 05/18/2016] [Indexed: 12/21/2022] Open
Abstract
Diabetic retinopathy (DR) is the main cause of working-age adult-onset blindness. The currently available treatments for DR are applicable only at advanced stages of the disease and are associated with significant adverse effects. In early stages of DR the only therapeutic strategy that physicians can offer is a tight control of the risk factors for DR. Therefore, new pharmacological treatments for these early stages of the disease are required. In order to develop therapeutic strategies for early stages of DR new diagnostic tools are urgently needed. In this regard, circulating biomarkers could be useful to detect early disease, to identify those diabetic patients most prone to progressive worsening who ought to be followed up more often and who could obtain the most benefit from these therapies, and to monitor the effectiveness of new drugs for DR before more advanced DR stages have been reached. Research of biomarkers for DR has been mainly based on the pathogenic mechanism involved in the development of DR (i.e., AGEs, oxidative stress, endothelial dysfunction, inflammation, and proangiogenic factors). This review focuses on circulating biomarkers at both early and advanced stages that could be relevant for the prediction or detection of DR.
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Affiliation(s)
- Olga Simó-Servat
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
| | - Rafael Simó
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
| | - Cristina Hernández
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
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171
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Abrahao A, Pedroso JL, de Carvalho Aguiar PM, Barsottini OGP. Gene Expression Profile in Peripheral Blood Cells of Friedreich Ataxia Patients. Cerebellum 2016; 15:306-13. [PMID: 26170003 DOI: 10.1007/s12311-015-0700-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Friedreich ataxia (FRDA) is the most common autosomal recessive ataxia characterized by a combination of neurological involvement, cardiomyopathy, and skeletal and glucose metabolism disturbances. FRDA is caused by mutations in FXN gene that results in reduction of mRNA and protein levels of frataxin. Previous microarray and real-time quantitative PCR (qPCR) studies showed that the downregulation of FXN is associated with a complex gene expression profile. However, these studies showed a wide variability in the subset of genes with altered expression among tissues and models. Genes differentially expressed in peripheral blood cells (PBC) could potentially help in the understanding of FRDA pathophysiology and also function as reliable disease biomarkers obtained from an easily accessible tissue, which could have implications in clinical practice. This study aimed to validate by qPCR the expression of 26 genes, revealed as differentially expressed by other studies, using peripheral blood cells (PBC) of 11 FRDA patients compared to 11 healthy controls. We found a robust downregulation of FXN, but no statistically significant differences were found between FRDA and controls for the remaining genes. Except for FXN, our study did not find a differential gene expression profile in PBC of FRDA patients and a reliable gene expression profile biomarker in a clinical relevant and noninvasive tissue remains unclear.
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Affiliation(s)
- Agessandro Abrahao
- Division of General Neurology and Ataxia Unit, Department of Neurology and Neurosurgery, Universidade Federal de São Paulo - UNIFESP, São Paulo, SP, Brazil
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | - Jose Luiz Pedroso
- Division of General Neurology and Ataxia Unit, Department of Neurology and Neurosurgery, Universidade Federal de São Paulo - UNIFESP, São Paulo, SP, Brazil
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | - Patricia Maria de Carvalho Aguiar
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
- Division of Movement Disorders, Department of Neurology and Neurosurgery, Universidade Federal de São Paulo - UNIFESP, Rua Pedro de Toledo 650, Vila Clementino, São Paulo, SP, 04039-002, Brazil.
| | - Orlando Graziani Povoas Barsottini
- Division of General Neurology and Ataxia Unit, Department of Neurology and Neurosurgery, Universidade Federal de São Paulo - UNIFESP, São Paulo, SP, Brazil
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
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172
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Miehle K, Ebert T, Kralisch S, Hoffmann A, Kratzsch J, Schlögl H, Stumvoll M, Fasshauer M. Circulating serum chemerin levels are elevated in lipodystrophy. Clin Endocrinol (Oxf) 2016; 84:932-8. [PMID: 26572532 DOI: 10.1111/cen.12976] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 09/28/2015] [Accepted: 11/08/2015] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Lipodystrophy (LD) is characterized by loss of adipose tissue, dysregulation of adipokines and severe metabolic complications. Regulation of the insulin resistance-inducing and proinflammatory adipokine chemerin has not been assessed in LD. Therefore, we determined chemerin serum levels in LD, chemerin mRNA expression in insulin-sensitive tissues of LD mice, as well as the impact of metreleptin treatment on circulating chemerin in LD patients. RESEARCH DESIGN AND METHODS Serum chemerin, as well as clinical and biochemical parameters of glucose metabolism, lipid metabolism, and inflammation, was measured in 37 LD patients and 37 age-, gender- and body mass index-matched controls. Furthermore, chemerin mRNA expression was determined in LD mice and controls. Moreover, circulating chemerin was assessed at five different time points in 10 LD patients treated with metreleptin over 1 year. RESULTS Median serum chemerin levels were significantly higher in 37 subjects with LD (234·3 μg/l) as compared to controls (204·0 μg/l) (P = 0·002). Multiple linear regression analysis showed that circulating chemerin was independently and positively associated with glycosylated haemoglobin A1c (HbA1c) and C-reactive protein (CRP). Chemerin mRNA expression was significantly increased 2·5-fold in visceral adipose tissue (VAT) and 5·3-fold in brown adipose tissue (BAT) of LD mice as compared to controls (P < 0·01). Circulating chemerin was not significantly altered by metreleptin treatment. CONCLUSIONS Circulating levels of the adipokine chemerin are elevated in LD, as well as independently and positively associated with HbA1c and CRP. Increased chemerin might originate from VAT and BAT.
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Affiliation(s)
- Konstanze Miehle
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
| | - Thomas Ebert
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
- Leipzig University Medical Center, IFB Adiposity Diseases, Leipzig, Germany
| | - Susan Kralisch
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
| | - Annett Hoffmann
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
| | - Jürgen Kratzsch
- Institute for Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Leipzig, Germany
| | - Haiko Schlögl
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
| | - Michael Stumvoll
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
| | - Mathias Fasshauer
- Department of Internal Medicine (Endocrinology and Nephrology), University of Leipzig, Leipzig, Germany
- Leipzig University Medical Center, IFB Adiposity Diseases, Leipzig, Germany
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173
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Taheri M, Nemati S, Movafagh A, Saberi M, Mirfakhraie R, Eftekharian MM, Arsang-Jang S, Rezagholizadeh A, Sayad A. TRAIL gene expression analysis in multiple sclerosis patients. Hum Antibodies 2016; 24:33-38. [PMID: 27472871 DOI: 10.3233/hab-160291] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Multiple sclerosis (MS) as an autoimmune disorder in which the insulating covers of neurons in the Central Nervous System are destructed. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is an immunomodulatory molecule to protect against T cells hyper activation. METHODS In this Case-control study, we compare TRAIL gene expression in peripheral blood between 50 relapse remitting MS patients and 50 healthy controls by TaqMan Real time PCR. All the patients were negative for HLA-DRB1*15 susceptible allele, normal serum vitamin D, responder to Interferon beta. All the health individuals were matched to patients. Also, we tried to find correlation between TRAIL gene expression and clinical characteristics of patients. RESULTS No statistically significant difference was found in TRAIL mRNA expression between MS patients and controls (p> 0.05). There was no correlation in the TRAIL expression and age of onset, disease duration and Expanded Disability Status Scale of Kurtzke (EDSS). As IFN-b may have stimulatory effects on immunoregulatory function of TRAIL and all of our patients were treated with interferon beta and were responder, it lead to no significant change in TRAIL expression. We suggest comparing between responders and non-responders should be investigated.
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Affiliation(s)
- Mohammad Taheri
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shirin Nemati
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolfazl Movafagh
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Saberi
- Department of Medical Genetics, Tehran medical University of Medical Sciences, Tehran, Iran
| | - Reza Mirfakhraie
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahdi Eftekharian
- Neurophysiology Research Center, Hamadan University of Medical Sciences and Health Services, Hamadan, Iran
- Molecular Immunology Research Group, Hamadan University of Medical Sciences and Health Services, Hamadan, Iran
| | - Shahram Arsang-Jang
- Department of Epidemiology and Biostatistics, Faculty of Health, Qom University of Medical Sciences, Qom, Iran
| | - Amir Rezagholizadeh
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arezou Sayad
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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174
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Abstract
The aim of this study is to discuss whether the methylation levels of Runx3 could be used as the early biomarker for predicting the prognosis in chronic atrophic gastritis (CAG) patients. A total of 200 subjects including 60 controls without CAG (Group 1), 70 patients with mild CAG (Group 2), and 70 patients with moderate and severe CAG (Group 3) were recruited for this cross-sectional investigation in the Department of Gastroenterology in Daqing Oilfield General Hospital from July 2013 to May 2014. The MlALDI-TOF-MS was used to measure the methylation levels of Runx3 in all of the subjects. Real-time quantitative reverse transcription polymerase chain reaction and western blotting were chosen to determine the expression levels of Runx3. The correlations between methylation levels of Runx3 among these CAG patients and their prognosis were shown by logistic regression models. The results demonstrated that the methylation levels of CpG13, CpG14, and CpG15 in Runx3 were higher in Group 3 than those in Groups 1 and 2 (P <0.05), whereas the mRNA and protein expression levels of Runx3 were lower in Group 3 than those in Groups 1 and 2 (P <0.05). There were significantly negative correlations between the methylation levels of Runx3 with its expression and the healing prognosis of CAG patients. In brief, this study proved that the hypermethylation modifications of CpG13, CpG14, and CpG15 in the promoter region of Runx3 could result in the down regulation of Runx3 expression to affect the prognosis of CAG. So the methylation levels of these CpG sites in Runx3 in the peripheral blood can be used as the biomarker for predicting the healing prognosis of CAG patients.
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Affiliation(s)
- Chunna Zhao
- From Department of Gastroenterology (CZ, LZ, BW, LX, FG, YW), Daqing Oilfield General Hospital, Daqing City, Heilongjiang Province; Department of Nutrition Research Laboratory (PL), Beijing, Children's Hospital, Beijing City, China
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175
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Zhang H, Guan ZS, Guan SH, Yang K, Pan Y, Wu YY, Wang AH, Sun BB, Hou J, Mu XX, Gao YF, Cheng WS. Identification of Suitable Candidate Reference Genes for Gene Expression Analysis by RT-qPCR in Peripheral Blood Mononuclear Cells of CHB Patients. Clin Lab 2016; 62:227-34. [PMID: 27012054 DOI: 10.7754/clin.lab.2015.150805] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Quantitative polymerase chain reaction (qPCR) analysis is a precise and effective method for the study of mRNA expression throughout the field of peripheral blood mononuclear cell (PBMC) research. However, the use of suitable reference genes for data normalization is critical to obtain meaningful and reproducible results. The present study aimed to identify the greatest reference genes for further research in PBMC of Chronic Hepatitis B (CHB) patients. METHODS We assessed the expression stability of four commonly used reference genes (beta actin, beta-tubulin, 18S rRNA, GAPDH) in PBMC of CHB patients. Then we employed geNorm, BestKeeper, and Normfinder to evaluate the expression stability of these reference genes. RESULTS All four genes displayed no significant differences between patient and control groups except beta actin and thus beta actin should not be used as a normalizing gene in a discussed experimental setup. GAPDH and beta-tubulin composed the best pair of reference genes for normalization purposes in future studies of gene expression in PBMC of CHB patients according to three algorithms. CONCLUSIONS GAPDH and beta-tubulin were the best combination of two reference genes in this study for RT-qPCR analysis.
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176
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Ribeiro BF, Vergílio BR, Miranda ECM, Almeida MH, Delamain MT, da Silveira RA, de Souza CA, Albuquerque DM, Santos AD, Duarte VO, Oliveira-Duarte GB, Lorand-Metze I, Pagnano KBB. BCR-ABL1 Transcript Levels at 3 and 6 Months Are Better for Identifying Chronic Myeloid Leukemia Patients with Poor Outcome in Response to Second-Line Second-Generation Tyrosine Kinase Inhibitors after Imatinib Failure: A Report from a Single Institution. Acta Haematol 2016; 134:248-54. [PMID: 26159458 DOI: 10.1159/000430835] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 04/20/2015] [Indexed: 11/19/2022]
Abstract
Early reduction of BCR-ABL1 transcript levels has been associated with improved outcome in chronic myeloid leukemia (CML) treatment. We evaluated 54 chronic-phase CML patients treated with imatinib who switched therapy to dasatinib (n = 33) or nilotinib (n = 21). BCR-ABL1 transcript levels were measured in peripheral blood using real-time quantitative PCR (RQ-PCR) every 3 months from the start of second-line treatment. Patients with BCR-ABL transcript levels >10% at 3 months and >1% at 6 months had significantly inferior progression-free (PFS) and event-free survival (EFS) than patients with RQ-PCR <10% at 3 months and <1% at 6 months (66 vs. 100%, p = 0.01, and 33 vs. 73%, p = 0.02, respectively). Patients with RQ-PCR <10% at 3 months and >1% at 6 months also had inferior PFS and EFS than patients with RQ-PCR <10% at 3 months and <1% at 6 months (48 vs. 100%, p = 0.002, and 25 vs. 73%, p < 0.0001, respectively). Two measurements of BCR-ABL levels were better than a single one to stratify chronic-phase CML patients as failure after second-line therapy.
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MESH Headings
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Female
- Fusion Proteins, bcr-abl/blood
- Humans
- Imatinib Mesylate/administration & dosage
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/blood
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Male
- Middle Aged
- RNA, Messenger/blood
- RNA, Neoplasm/blood
- Treatment Failure
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177
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Ji XY, Wu M. [mRNA expression of dopamine receptor D2 and dopamine transporter in peripheral blood lymphocytes before and after treatment in children with tic disorder]. Zhongguo Dang Dai Er Ke Za Zhi 2016; 18:297-300. [PMID: 27097571 PMCID: PMC7390074 DOI: 10.7499/j.issn.1008-8830.2016.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 02/06/2016] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To investigate the mRNA expression of dopamine receptor D2 (DRD2) and dopamine transporter (DAT) in peripheral blood lymphocytes before and after treatment in children with tic disorder (TD). METHODS RT-PCR was used to measure the mRNA expression of DRD2 and DAT in peripheral blood lymphocytes before and after treatment in 60 children with TD. The correlations between mRNA expression of DRD2 and DAT and the severity of TD were analyzed. Sixty healthy children served as the control group. RESULTS Before treatment, the children with TD had a significant increase in the mRNA expression of DRD2 and DAT compared with the control group (P<0.05). After 3 months of treatment with oral aripiprazole, the mRNA expression of DRD2 decreased significantly (P<0.05), while that of DAT showed no significant changes in children with TD. In the children with moderate or severe TD, the mRNA expression of DRD2 was positively correlated with Yale Global Tic Severity Scale (YGTSS) score (P<0.05). In the children with moderate TD, the mRNA expression of DAT was positively correlated with YGTSS score (P<0.05). CONCLUSIONS In children with TD, the mRNA expression of DRD2 in peripheral blood lymphocytes can be used as one of the indicators for diagnosing TD, assessing the severity of TD, and evaluating clinical outcomes.
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Affiliation(s)
- Xiao-Yi Ji
- Department of Pediatrics, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang 314000, China.
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178
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Fadaei R, Parvaz E, Emamgholipour S, Moradi N, Vatannejad A, Najafi M, Doosti M. The mRNA Expression and Circulating Levels of Visfatin and Their Correlation with Coronary Artery Disease Severity and 25-Hydroxyvitamin D. Horm Metab Res 2016; 48:269-74. [PMID: 26466019 DOI: 10.1055/s-0035-1564133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
It is evident that coronary artery disease (CAD) is closely associated with abnormal glucose and lipid metabolism. Notably, dysregulation of inflammatory pathways and immune system also contribute to CAD development. Recently, it has been suggested that visfatin, a proinflammatory adipocytokine, may be involved in several inflammatory and metabolic diseases. In this study, we evaluated the serum visfatin levels and its mRNA expression in peripheral blood mononuclear cells (PBMCs) from CAD patients compared with control subjects. We also studied the correlation between visfatin gene expression and serum levels with clinical and metabolic parameters. This study was conducted on 56 male patients with CAD confirmed by angiography and 30 healthy men as controls. CAD severity was determined based on the number of vessels. Study of gene expression in PBMCs was performed using real time-PCR, and serum levels of visfatin and 25-hydroxyvitamin D were measured by ELISA. We found that serum visfatin levels and its gene expression in PBMCs were increased in patients with CAD compared with the control group (p=0.027 and p=0.016, respectively). Also, visfatin gene expression was positively correlated with visfatin levels and both these variables had a strong positive correlation with the severity of CAD. It appears that elevated mRNA expression and circulating level of visfatin might be of relevance to the pathogenesis and severity of CAD. However, further studies are necessary to better clarify the associations between visfatin and CAD.
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Affiliation(s)
- R Fadaei
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - E Parvaz
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - S Emamgholipour
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - N Moradi
- Department of Clinical Biochemistry, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - A Vatannejad
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - M Najafi
- Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - M Doosti
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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179
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Chomczynski P, Wilfinger WW, Eghbalnia HR, Kennedy A, Rymaszewski M, Mackey K. Inter-Individual Differences in RNA Levels in Human Peripheral Blood. PLoS One 2016; 11:e0148260. [PMID: 26863434 PMCID: PMC4749217 DOI: 10.1371/journal.pone.0148260] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 01/16/2016] [Indexed: 11/18/2022] Open
Abstract
Relatively little is known about the range of RNA levels in human blood. This report provides assessment of peripheral blood RNA level and its inter-individual differences in a group of 35 healthy humans consisting of 25 females and 10 males ranging in age from 50 to 89 years. In this group, the average total RNA level was 14.59 μg/ml of blood, with no statistically significant difference between females and males. The individual RNA level ranged from 6.7 to 22.7 μg/ml of blood. In healthy subjects, the repeated sampling of an individual’s blood showed that RNA level, whether high or low, was stable. The inter-individual differences in RNA level in blood can be attributed to both, differences in cell number and the amount of RNA per cell. The 3.4-fold range of inter-individual differences in total RNA levels, documented herein, should be taken into account when evaluating the results of quantitative RT-PCR and/or RNA sequencing studies of human blood. Based on the presented results, a comprehensive assessment of gene expression in blood should involve determination of both the amount of mRNA per unit of total RNA (U / ng RNA) and the amount of mRNA per unit of blood (U / ml blood) to assure a thorough interpretation of physiological or pathological relevance of study results.
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Affiliation(s)
- Piotr Chomczynski
- Molecular Research Center, Inc. Cincinnati, OH, United States of America
- * E-mail:
| | | | - Hamid R. Eghbalnia
- University of Cincinnati, College of Medicine, Cincinnati, OH, United States of America
| | - Amy Kennedy
- Molecular Research Center, Inc. Cincinnati, OH, United States of America
| | - Michal Rymaszewski
- Molecular Research Center, Inc. Cincinnati, OH, United States of America
| | - Karol Mackey
- Molecular Research Center, Inc. Cincinnati, OH, United States of America
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180
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Woo M, Patterson EK, Cepinskas G, Clarson C, Omatsu T, Fraser DD. Dynamic regulation of plasma matrix metalloproteinases in human diabetic ketoacidosis. Pediatr Res 2016; 79:295-300. [PMID: 26492282 DOI: 10.1038/pr.2015.215] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 07/31/2015] [Indexed: 01/15/2023]
Abstract
BACKGROUND Diabetic ketoacidosis (DKA) in children is associated with cerebrovascular-related complications. We recently reported that DKA facilitates leukocyte adherence to the brain microvascular endothelium. Adhered leukocytes can release enzymes that instigate vascular dysfunction. Our aims were to measure plasma levels of leukocyte-derived matrix metalloproteinases (MMPs) from DKA patients and to correlate plasma MMP concentrations with DKA severity. METHODS Plasma was obtained from children with type 1 diabetes, either in DKA (n = 16) or insulin controlled (CON; n = 16). Antibody microarray and gelatin zymography were used to quantify plasma MMPs and their endogenous tissue inhibitors (TIMPs). MMP concentrations were correlated with DKA severity (blood pH). Quantitative PCR of leukocyte mRNA was used to help determine the origin of plasma MMPs. RESULTS DKA was associated with altered plasma levels of ↓MMP-2 (P < 0.001), ↑MMP-8 (P < 0.001), ↑MMP-9 (P < 0.05), and ↑TIMP-4 (P < 0.001), as compared with CON. Elevated MMP-8 and MMP-9 were both positively correlated with DKA severity (P < 0.05). DKA was associated with increased leukocyte mRNA for MMP-8, MMP-9, and TIMP-4 (P < 0.005). CONCLUSION MMPs are dynamically regulated during DKA. Plasma MMP-8 and MMP-9 concentrations correlate with DKA severity and are known to degrade brain microvascular endothelial cell tight junctions. Thus, leukocyte-derived MMPs might contribute to DKA-associated cerebrovascular complications.
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Affiliation(s)
- Martin Woo
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada
- Children's Health Research Institute, London, Ontario, Canada
- Centre for Critical Illness Research, London, Ontario, Canada
| | | | - Gediminas Cepinskas
- Centre for Critical Illness Research, London, Ontario, Canada
- Medical Biophysics, Western University, London, Ontario, Canada
| | - Cheril Clarson
- Children's Health Research Institute, London, Ontario, Canada
- Pediatrics, Western University, London, Ontario, Canada
| | - Tatsushi Omatsu
- Centre for Critical Illness Research, London, Ontario, Canada
- Pediatrics, Western University, London, Ontario, Canada
| | - Douglas D Fraser
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada
- Children's Health Research Institute, London, Ontario, Canada
- Centre for Critical Illness Research, London, Ontario, Canada
- Pediatrics, Western University, London, Ontario, Canada
- Clinical Neurological Sciences, Western University, London, Ontario, Canada
- Translational Research Centre, London, Ontario, Canada
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181
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Almasi S, Aslani S, Poormoghim H, Jamshidi AR, Poursani S, Mahmoudi M. Gene Expression Profiling of Toll-Like Receptor 4 and 5 in Peripheral Blood Mononuclear Cells in Rheumatic Disorders: Ankylosing Spondylitis and Rheumatoid Arthritis. Iran J Allergy Asthma Immunol 2016; 15:87-92. [PMID: 26996117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Accepted: 01/31/2016] [Indexed: 06/05/2023]
Abstract
No Abstract.
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Affiliation(s)
- Simin Almasi
- Firouzgar Hospital, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Saeed Aslani
- Rheumatology Research Center, Tehran University of Medical Sceinces, Tehran, Iran
| | - Hadi Poormoghim
- Firouzgar Hospital, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Ahmad Reza Jamshidi
- Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Shiva Poursani
- Rheumatology Research Center, Tehran University of Medical Sceinces, Tehran, Iran
| | - Mehdi Mahmoudi
- Rheumatology Research Center, Tehran University of Medical Sceinces, Tehran, Iran
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182
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Marí-Alexandre J, Sánchez-Izquierdo D, Gilabert-Estellés J, Barceló-Molina M, Braza-Boïls A, Sandoval J. miRNAs Regulation and Its Role as Biomarkers in Endometriosis. Int J Mol Sci 2016; 17:ijms17010093. [PMID: 26771608 PMCID: PMC4730335 DOI: 10.3390/ijms17010093] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 01/05/2016] [Accepted: 01/08/2016] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs (18-22 nt) that function as modulators of gene expression. Since their discovery in 1993 in C. elegans, our knowledge about their biogenesis, function, and mechanism of action has increased enormously, especially in recent years, with the development of deep-sequencing technologies. New biogenesis pathways and sources of miRNAs are changing our concept about these molecules. The study of the miRNA contribution to pathological states is a field of great interest in research. Different groups have reported the implication of miRNAs in pathologies such as cancer, diabetes, cardiovascular, and gynecological diseases. It is also well-known that miRNAs are present in biofluids (plasma, serum, urine, semen, and menstrual blood) and have been proposed as ideal candidates as disease biomarkers. The goal of this review is to highlight the current knowledge in the field of miRNAs with a special emphasis to their role in endometriosis and the newest investigations addressing the use of miRNAs as biomarkers for this gynecological disease.
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Affiliation(s)
- Josep Marí-Alexandre
- Unit of Hemostasia, Thrombosis, Atherosclerosis and Vascular Biology, Health Research Institute La Fe, Valencia 46026, Spain.
| | | | | | - Moisés Barceló-Molina
- Unit of Hemostasia, Thrombosis, Atherosclerosis and Vascular Biology, Health Research Institute La Fe, Valencia 46026, Spain.
| | - Aitana Braza-Boïls
- Unit of Hemostasia, Thrombosis, Atherosclerosis and Vascular Biology, Health Research Institute La Fe, Valencia 46026, Spain.
| | - Juan Sandoval
- Epigomics Unit, Health Research Institute La Fe, Valencia 46026, Spain.
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183
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Cillo U, Giuliani T, Polacco M, Herrero Manley LM, Crivellari G, Vitale A. Prediction of hepatocellular carcinoma biological behavior in patient selection for liver transplantation. World J Gastroenterol 2016; 22:232-252. [PMID: 26755873 PMCID: PMC4698488 DOI: 10.3748/wjg.v22.i1.232] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 08/14/2015] [Accepted: 11/09/2015] [Indexed: 02/06/2023] Open
Abstract
Morphological criteria have always been considered the benchmark for selecting hepatocellular carcinoma (HCC) patients for liver transplantation (LT). These criteria, which are often inappropriate to express the tumor’s biological behavior and aggressiveness, offer only a static view of the disease burden and are frequently unable to correctly stratify the tumor recurrence risk after LT. Alpha-fetoprotein (AFP) and its progression as well as AFP-mRNA, AFP-L3%, des-γ-carboxyprothrombin, inflammatory markers and other serological tests appear to be correlated with post-transplant outcomes. Several other markers for patient selection including functional imaging studies such as 18F-FDG-PET imaging, histological evaluation of tumor grade, tissue-specific biomarkers, and molecular signatures have been outlined in the literature. HCC growth rate and response to pre-transplant therapies can further contribute to the transplant evaluation process of HCC patients. While AFP, its progression, and HCC response to pre-transplant therapy have already been used as a part of an integrated prognostic model for selecting patients, the utility of other markers in the transplant setting is still under investigation. This article intends to review the data in the literature concerning predictors that could be included in an integrated LT selection model and to evaluate the importance of biological aggressiveness in the evaluation process of these patients.
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185
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Ao J, Li Q, Yang Z, Mu Y. A cystatin F homologue from large yellow croaker (Larimichthys crocea) inhibits activity of multiple cysteine proteinases and Ii chain processing in vitro. Fish Shellfish Immunol 2016; 48:62-70. [PMID: 26578250 DOI: 10.1016/j.fsi.2015.11.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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: 09/29/2015] [Revised: 11/04/2015] [Accepted: 11/06/2015] [Indexed: 06/05/2023]
Abstract
Cystatin F, a member of the family II cystatins, plays important roles in immune response-related processes through inhibiting specific enzyme targets. In this study, a cystatin F homologue, LycCysF, was identified and characterized from large yellow croaker (Larimichthys crocea). The deduced LycCysF protein exhibits a typical structural feature of type II cystatins, including three evolutionally conserved motifs, Gly(35), QVVRG(79-83) and PW(130-131). Tissue expression analysis showed that LycCysF mRNA was expressed in all tissues examined, albeit at different levels. Recombinant LycCysF (rLycCysF) produced in Pichia pastoris could inhibit the activity of multiple cysteine proteases, including papain, legumain and recombinant large yellow croaker cathepsin B, L and S. Moreover, rLycCysF could inhibit the Ii chain processing by recombinant cathepsin S in vitro. These data suggest that LycCysF may participate in regulation of cathepsins and MHC-II associated Ii chain processing. In addition, mammalian cystatin F is produced as an inactive dimer, becoming activated by proteolysis in the endo/lysosome of immune cells and then exerts its function of regulating downstream proteases activity. However, the N-terminal extension and two additional cysteine residues responsible for dimer formation are absent in LycCysF and cystatin F from other fish species, reptiles and Aves, indicating that these proteins can not form dimer and may regulate the proteases activity via an alternate pathway distinct from mammalian cystatin F. To our knowledge, this is the first report on molecular characteristics of a teleost cystatin F and its role in Ii chain processing.
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Affiliation(s)
- Jingqun Ao
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen 361005, China.
| | - Qiuhua Li
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen 361005, China
| | - Zhijun Yang
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen 361005, China
| | - Yinnan Mu
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen 361005, China
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186
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Fawzy RM, Ganeb SS, Said EA, Fouad NA. Serum Level of Interleukin-37 and Expression of Its mRNA in Ankylosing Spondylitis Patients: Possible Role in Osteoporosis. Egypt J Immunol 2016; 23:19-29. [PMID: 28502149] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease of the axial skeleton.Interleukin-37 (IL-37) is a member of IL-1 family cytokines, that downregulate expression of pro-inflammatory cytokines in chronic inflammatory diseases. The aim of the work is to investigate role of IL-37 in AS disease activity and osteoporosis. Twenty-five patients with AS and 25 controls were enrolled into this study. They were subjected to full clinical examination including assessment of disease activity according to the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Serum IL-37 levels and IL-37 mRNA relative concentration were measured by enzyme-linked immunosorbent assay (ELISA) and quantitative reverse transcriptase- polymerase chain reaction (RT-PCR) respectively. Bone mineral density (BMD) was determined using dual energy X-ray absorptiometry (DEXA). Spine radiographs were scored using the modified Stoke Ankylosing Spondylitis Spine Score (mSASSS). Mean serum IL-37 level was significantly higher in AS patients compared with the controls (P < 0.001) and significantly elevated in AS patients with osteoporosis (P < 0.05). IL-37 mRNA gene expression showed a significant increase expression in active AS patient (25 folds) as well as in inactive patient (12 folds) as compared to controls. In conclusion, serum IL-37 and its mRNA expression is increased in AS patients with special consideration in patient with Osteoporosis and correlates with disease activity and BMD which indicate that IL-37 may provide a novel research target for pathogenesis and therapy of AS..
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Affiliation(s)
- Rasha M Fawzy
- Department of Rheumatology & Rehabilitation, Faculty of Medicine, Benha University, Benha, Egypt
| | - Sahar S Ganeb
- Department of Rheumatology & Rehabilitation, Faculty of Medicine, Benha University, Benha, Egypt
| | - Emtethal A Said
- Department of Rheumatology & Rehabilitation, Faculty of Medicine, Benha University, Benha, Egypt
| | - Nehad A Fouad
- Department of Medical Microbiology & Immunology, Faculty of Medicine, Benha University, Benha, Egypt
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187
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Snyder-Talkington BN, Dong C, Sargent LM, Porter DW, Staska LM, Hubbs AF, Raese R, McKinney W, Chen BT, Battelli L, Lowry DT, Reynolds SH, Castranova V, Qian Y, Guo NL. mRNAs and miRNAs in whole blood associated with lung hyperplasia, fibrosis, and bronchiolo-alveolar adenoma and adenocarcinoma after multi-walled carbon nanotube inhalation exposure in mice. J Appl Toxicol 2016; 36:161-74. [PMID: 25926378 PMCID: PMC4418205 DOI: 10.1002/jat.3157] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [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: 02/10/2015] [Revised: 03/02/2015] [Accepted: 03/03/2015] [Indexed: 12/28/2022]
Abstract
Inhalation exposure to multi-walled carbon nanotubes (MWCNT) in mice results in inflammation, fibrosis and the promotion of lung adenocarcinoma; however, the molecular basis behind these pathologies is unknown. This study determined global mRNA and miRNA profiles in whole blood from mice exposed by inhalation to MWCNT that correlated with the presence of lung hyperplasia, fibrosis, and bronchiolo-alveolar adenoma and adenocarcinoma. Six-week-old, male, B6C3F1 mice received a single intraperitoneal injection of either the DNA-damaging agent methylcholanthrene (MCA, 10 µg g(-1) body weight) or vehicle (corn oil). One week after injections, mice were exposed by inhalation to MWCNT (5 mg m(-3), 5 hours per day, 5 days per week) or filtered air (control) for a total of 15 days. At 17 months post-exposure, mice were euthanized and examined for the development of pathological changes in the lung, and whole blood was collected and analyzed using microarray analysis for global mRNA and miRNA expression. Numerous mRNAs and miRNAs in the blood were significantly up- or down-regulated in animals developing pathological changes in the lung after MCA/corn oil administration followed by MWCNT/air inhalation, including fcrl5 and miR-122-5p in the presence of hyperplasia, mthfd2 and miR-206-3p in the presence of fibrosis, fam178a and miR-130a-3p in the presence of bronchiolo-alveolar adenoma, and il7r and miR-210-3p in the presence of bronchiolo-alveolar adenocarcinoma, among others. The changes in miRNA and mRNA expression, and their respective regulatory networks, identified in this study may potentially serve as blood biomarkers for MWCNT-induced lung pathological changes.
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Affiliation(s)
- Brandi N. Snyder-Talkington
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Chunlin Dong
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506-9300, USA
| | - Linda M. Sargent
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Dale W. Porter
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | | | - Ann F. Hubbs
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Rebecca Raese
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506-9300, USA
| | - Walter McKinney
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Bean T. Chen
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Lori Battelli
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - David T. Lowry
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Steven H. Reynolds
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Vincent Castranova
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV 26506, USA
| | - Yong Qian
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - Nancy L. Guo
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506-9300, USA
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188
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Chen CH, Chen HA, Liao HT, Liu CH, Tsai CY, Chou CT. Suppressors of cytokine signalling in ankylosing spondylitis and their associations with disease severity, acute-phase reactants and serum cytokines. Clin Exp Rheumatol 2016; 34:100-105. [PMID: 26812031] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 09/04/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVES To investigate the suppressors of cytokine signalling (SOCS1 and SOCS3) expression in peripheral blood cells in ankylosing spondylitis (AS), and their associations with clinical and laboratory manifestations. METHODS The levels of SOCS1 and SOCS3 mRNA in peripheral blood mononuclear cells (PBMCs), T cells and monocytes were measured by RT-PCR in 53 AS patients and 31 healthy controls. Patient's serum IL-6, IL-10 and IL-17A levels were determined by ELISA. We evaluated patient's disease activity, functional ability and global assessment, and tested their ESR, CRP and IgA levels. RESULTS Cellular SOCS1 expression did not show significant differences between AS patients and controls. However, T cells SOCS1 decreased significantly in the AS subgroup with lower ESR than controls (p=0.013). PBMCs (p=0.047) and T cells (p=0.035) SOCS1 decreased significantly in the AS subgroup with lower CRP than controls. Importantly, SOCS3 expression increased significantly in AS patients compared to the controls in PBMCs (p=0.025), T cells (p=0.003) and monocytes (p=0.009). Moreover, PBMCs SOCS3 correlated with ESR (r=0.297, p=0.031) and CRP (r=0.320, p=0.019). T cells SOCS3 correlated with BASFI (r=0.337, p=0.015), ESR (r=0.435, p=0.001) and CRP (r=0.300, p=0.029). Monocytes SOCS3 correlated with ESR (r=0.281, p=0.041) and IgA (r=0.426, p=0.006). Furthermore, T cells SOCS1 (r=-0.454, p=0.023) and T cells SOCS3 (r=-0.405, p=0.045) negatively correlated with serum IL-17A. Monocytes SOCS3 negatively correlated with serum IL-6 (r=-0.584, p=0.002). CONCLUSIONS The decreased SOCS1 and increased SOCS3 expression in AS PBMCs and T cells, and their correlation with patient's functional ability, acute-phase reactants and serum pro-inflammatory cytokines suggested that SOCS may participate in the pathogenesis of AS.
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Affiliation(s)
- Chun-Hsiung Chen
- Division of Allergy, Immunology and Rheumatology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taiwan, and School of Medicine, Tzu Chi University, Hualien; and Taipei Medial University, and Municipal Wan Fang Hospital, Taipei, Taiwan
| | | | - Hsien-Tzung Liao
- Taipei Medical University, and Municipal Wan Fang Hospital, Taipei, Taiwan
| | - Chin-Hsiu Liu
- Division of Allergy, Immunology and Rheumatology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taiwan, and School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Chang-Youh Tsai
- National Yang-Ming University, and Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chung-Tei Chou
- National Yang-Ming University, and Taipei Veterans General Hospital, Taipei, Taiwan.
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189
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Remuzgo-Martínez S, Genre F, López-Mejías R, Ubilla B, Mijares V, Pina T, Corrales A, Blanco R, Martín J, Llorca J, González-Gay MÁ. Decreased expression of methylene tetrahydrofolate reductase (MTHFR) gene in patients with rheumatoid arthritis. Clin Exp Rheumatol 2016; 34:106-110. [PMID: 26843177] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 09/04/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVES Impairment of methylene tetrahydrofolate reductase (MTHFR), a key enzyme in the folate metabolism, results in an elevated plasma level of homocysteine, considered an independent risk factor for cardiovascular (CV) disease. Rheumatoid arthritis (RA) is a chronic inflammatory disease associated with increased risk of CV death. Polymorphisms in the MTHFR gene increase the frequency of CV disease in RA. The aim of this study was to determine the expression of MTHFR gene in patients with RA, with and without ischaemic heart disease (IHD). METHODS Relative expression of MTHFR gene and beta-actin and GAPDH as housekeeping genes was quantified by quantitative real-time polymerase chain reaction. It was analysed by the comparative Ct (threshold cycle) method in peripheral blood from 26 Spanish patients with RA (12 with IHD and 14 without IHD) and 10 healthy controls. MTHFR expression level in RA patients was also assessed according to disease activity, rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibodies status. RESULTS MTHFR expression was significantly reduced in patients with RA compared to controls (fold change = 0.85, p=0.029). It was especially true for RA patients with IHD (fold change= 0.79, p=0.021). However, no statistically significant relationship between MTHFR expression level in patients with RA and DAS28 CRP, DAS28 ESR, RF and anti-CCP status was observed. CONCLUSIONS Patients with RA, in particular those with IHD, show a decreased expression of the MTHFR gene. This may support a potential implication of the transcriptional regulation of MTHFR in the pathogenesis of RA.
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Affiliation(s)
- Sara Remuzgo-Martínez
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Fernanda Genre
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Raquel López-Mejías
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Begoña Ubilla
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Veronica Mijares
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Trinitario Pina
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Alfonso Corrales
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Ricardo Blanco
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain
| | - Javier Martín
- Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Granada, Spain
| | - Javier Llorca
- Department of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, and CIBER Epidemiología y Salud Pública (CIBERESP), IDIVAL, Santander, Spain
| | - Miguel Á González-Gay
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain.
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190
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Butts B, Gary RA, Dunbar SB, Butler J. Methylation of Apoptosis-Associated Speck-Like Protein With a Caspase Recruitment Domain and Outcomes in Heart Failure. J Card Fail 2015; 22:340-6. [PMID: 26700661 DOI: 10.1016/j.cardfail.2015.12.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [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: 08/09/2015] [Revised: 12/04/2015] [Accepted: 12/07/2015] [Indexed: 01/07/2023]
Abstract
BACKGROUND Heart failure (HF) is associated with inflammation characterized by the formation of the inflammasome, which triggers maturation of inflammatory cytokines. Apoptosis-associated speck-like protein with a caspase recruitment domain (ASC), a vital component of the inflammasome, is controlled through epigenetic modification, which may be a candidate pathway for worsening HF. This study examined the inflammasome pathway in HF and the relationships between ASC CpG methylation and outcomes in HF. METHODS AND RESULTS Stored samples from 155 HF outpatients (ejection fraction 29.9 ± 14.9%) were analyzed for percentage methylation of 7 CpG sites in the intron region preceding exon 1 of the ASC gene. ASC methylation was inversely related to ASC mRNA (r = -0.33; P < .001) and protein (r = -0.464; P < .001). ASC methylation had a positive linear relationship with ejection fraction (r = 0.85; P < .001), quality of life (r = 0.83; P < .001), and 6-minute walk test (r = 0.59; P = .023) and a negative linear relationship with depression (r = -0.81; P < .001) and anxiety (r = -0.75; P < .001). Higher ASC methylation was associated with a lower risk for clinical events (hazard ratio [HR] 0.16; P = .025), whereas higher protein (HR = 1.78; P = .045) and mRNA expression (HR = 1.18; P = .05) were associated with a greater risk. CONCLUSIONS Increased methylation of CpG sites in the intron region of ASC is associated with improved outcomes in HF. The associated decrease in ASC expression implicates this inflammatory mediator as a possible driver of HF outcomes and may represent a therapeutic target.
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Affiliation(s)
- Brittany Butts
- Nell Hodgson School of Nursing, Emory University, Atlanta, Georgia
| | - Rebecca A Gary
- Nell Hodgson School of Nursing, Emory University, Atlanta, Georgia
| | - Sandra B Dunbar
- Nell Hodgson School of Nursing, Emory University, Atlanta, Georgia
| | - Javed Butler
- Division of Cardiology, Stony Brook University, Stony Brook, New York.
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191
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Rodríguez-Muñoz A, Martínez-Hernández R, Ramos-Leví AM, Serrano-Somavilla A, González-Amaro R, Sánchez-Madrid F, de la Fuente H, Marazuela M. Circulating Microvesicles Regulate Treg and Th17 Differentiation in Human Autoimmune Thyroid Disorders. J Clin Endocrinol Metab 2015; 100:E1531-9. [PMID: 26480286 DOI: 10.1210/jc.2015-3146] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
BACKGROUND Microvesicles (MVs) are emerging as important contributors to the development of inflammatory and autoimmune diseases. MVs can mediate immune modulation carrying genetic information, including microRNAs that can be transferred between cells. DESIGN We determined the plasma levels of annexin-V+ MVs derived from different immune cells and platelets in patients with autoimmune thyroid diseases (AITDs) and in healthy controls. T lymphocyte polarization assays were performed in the presence of MVs to evaluate their effect in T regulatory and T helper 17 cells differentiation. microRNA content into plasma MVs and their corresponding mRNA targets were evaluated by RT-PCR. RESULTS The percentage of platelet-derived MVs (CD41a+) was significantly increased in plasma samples from AITD patients compared with healthy controls. In contrast, patients with AITD showed a lower percentage of leukocyte and endothelial cell-derived MVs compared with controls. In addition, functional assays showed that MVs from AITD patients inhibited the in vitro differentiation of Foxp3+ T regulatory cells (11.35% vs 4.40%, P = .01) and induced the expression of interferon-γ by CD4+ lymphocytes (10.91% vs 13.99%, P = .01) as well as the differentiation of T helper 17 pathogenic (IL-17+interferon-γ+) cells (1.98% vs 5.13%, P = .03). Furthermore, in AITD patients, whereas miR-146a and miR-155 were increased in circulating MVs, their targets IL-8 and SMAD4 were decreased in peripheral blood mononuclear cells. CONCLUSIONS Our data indicate that circulating MVs seem to have a relevant role in the modulation of the inflammatory response observed in AITD.
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Affiliation(s)
- Ana Rodríguez-Muñoz
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Rebeca Martínez-Hernández
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Ana M Ramos-Leví
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Ana Serrano-Somavilla
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Roberto González-Amaro
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Francisco Sánchez-Madrid
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Hortensia de la Fuente
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
| | - Mónica Marazuela
- Department of Endocrinology (A.R.-M., R.-M.-H., A.M.R.-L., A.S.-S., M.M.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain; Department of Immunology (F.S.-M., H.d.l.F.), Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain; and Department of Immunology (R.G.-A.), School of Medicine, Universidad Autónoma de San Luis Potosí, 78210 San Luis Potosí, SLP, México
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Sun YY, Fan YC, Wang N, Xia HHX, Xiao XY, Wang K. Increased A20 mRNA Level in Peripheral Blood Mononuclear Cells is Associated With Immune Phases of Patients With Chronic Hepatitis B. Medicine (Baltimore) 2015; 94:e2428. [PMID: 26717404 PMCID: PMC5291645 DOI: 10.1097/md.0000000000002428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 12/05/2015] [Accepted: 12/10/2015] [Indexed: 02/07/2023] Open
Abstract
The zinc finger protein A20 is a newly identified negative regulator of immune response and mediates signal pathway of NF-κB in liver inflammation. However, the role of A20 in the natural history of patients with chronic hepatitis B (CHB) has not been demonstrated. In this present study, we aimed to investigate the dynamic expression of A20 and determine the potential association of A20 in the progression of chronic hepatitis B virus infection.This retrospective study contained 136 patients with chronic hepatitis B and 30 healthy controls (HCs). The mRNA level of A20, TNF-α, NF-κB p65 and toll-like receptor (TLR) 4 in peripheral blood mononuclear cells (PBMCs) was determined using a relative quantitative real-time polymerase chain reaction. The hepatic A20 protein expression was determined by immunohistochemistry. Clinical and laboratory parameters were obtained.In the present study, the relative expression of A20 mRNA was significantly increased in CHB patients compared with HCs and was positively associated with alanine aminotransferase, aspartate aminotransferase, and total bilirubin. In CHB patients, the levels of A20 mRNA in the immune clearance (IC) phase and hepatitis B negative (ENH) phase were significantly higher than that in immune tolerance (IT) phase and low-replicative (LR) phase (P < 0.001). Furthermore, the A20 mRNA level was significantly correlated with TNF-α/ NF-κB p65/TLR4 mRNA levels in CHB patients. Of note, we reported that cutoff values of 4.19 and 3.97 for the level of A20 mRNA have significant power in discriminating IC from IT, and ENH from LR in CHB patients respectively.In conclusion, our results suggested that increased levels of A20 mRNA and protein contribute to disease progression of chronic hepatitis B virus infection.
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Affiliation(s)
- Yan-Yan Sun
- From the Department of Hepatology, Qilu Hospital of Shandong University (Y-YS, Y-CF, NW, KW); Institute of Hepatology, Shandong University, Jinan (Y-CF, KW); Department of Gastroenterology, The first Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou (HH-XX); and Department of Nephrology, Qilu Hospital of Shandong University, Jinan, China (X-YX)
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Xu MJ, Dorsey JF, Amaravadi R, Karakousis G, Simone CB, Xu X, Xu W, Carpenter EL, Schuchter L, Kao GD. Circulating Tumor Cells, DNA, and mRNA: Potential for Clinical Utility in Patients With Melanoma. Oncologist 2015; 21:84-94. [PMID: 26614709 DOI: 10.1634/theoncologist.2015-0207] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [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: 09/24/2015] [Accepted: 10/08/2015] [Indexed: 12/25/2022] Open
Abstract
UNLABELLED : Circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), and messenger RNA (mRNA), collectively termed circulating tumor products (CTPs), represent areas of immense interest from scientists' and clinicians' perspectives. In melanoma, CTP analysis may have clinical utility in many areas, from screening and diagnosis to clinical decision-making aids, as surveillance biomarkers or sources of real-time genetic or molecular characterization. In addition, CTP analysis can be useful in the discovery of new biomarkers, patterns of treatment resistance, and mechanisms of metastasis development. Here, we compare and contrast CTCs, ctDNA, and mRNA, review the extent of translational evidence to date, and discuss how future studies involving both scientists and clinicians can help to further develop this tool for the benefit of melanoma patients. IMPLICATIONS FOR PRACTICE Scientific advancement has enabled the rapid development of tools to analyze circulating tumor cells, tumor DNA, and messenger RNA, collectively termed circulating tumor products (CTPs). A variety of techniques have emerged to detect and characterize melanoma CTPs; however, only a fraction has been applied to human subjects. This review summarizes the available human data that investigate clinical utility of CTP in cancer screening, melanoma diagnosis, prognosis, prediction, and genetic or molecular characterization. It provides a rationale for how CTPs may be useful for future research and discusses how clinicians can be involved in developing this exciting new technology.
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Affiliation(s)
- Melody J Xu
- Department of Radiation Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jay F Dorsey
- Department of Radiation Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ravi Amaravadi
- Division of Hematology and Oncology, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Giorgos Karakousis
- Division of Surgical Oncology, Department of Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Charles B Simone
- Department of Radiation Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Xiaowei Xu
- Department of Pathology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Wei Xu
- Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Erica L Carpenter
- Division of Hematology and Oncology, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Lynn Schuchter
- Division of Hematology and Oncology, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Gary D Kao
- Department of Radiation Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Santiago JA, Potashkin JA. Blood Biomarkers Associated with Cognitive Decline in Early Stage and Drug-Naive Parkinson's Disease Patients. PLoS One 2015; 10:e0142582. [PMID: 26566043 PMCID: PMC4643881 DOI: 10.1371/journal.pone.0142582] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/24/2015] [Indexed: 12/14/2022] Open
Abstract
Early diagnosis of Parkinson's disease (PD) continues to be a major challenge in the field. The lack of a robust biomarker to detect early stage PD patients has considerably slowed the progress toward the development of potential therapeutic agents. We have previously evaluated several RNA biomarkers in whole blood from participants enrolled in two independent clinical studies. In these studies, PD patients were medicated, thus, expression of these biomarkers in de novo patients remains unknown. To this end, we tested ten RNA biomarkers in blood samples from 99 untreated PD patients and 101 HC nested in the cross-sectional Parkinson's Progression Markers Initiative by quantitative real-time PCR. One biomarker out of ten, COPZ1 trended toward significance (nominal p = 0.009) when adjusting for age, sex, and educational level. Further, COPZ1, EFTUD2 and PTBP1 mRNAs correlated with clinical features in PD patients including the Hoehn and Yahr scale, Movement Disorder Society revision of Unified Parkinson's Disease Rating Scale (MDS-UPDRS) and Montreal Cognitive Assessment (MoCA) score. Levels of EFTUD2 and PTBP1 were significantly higher in cognitively normal PD patients (PD-CN) compared to cognitively impaired PD patients (PD-MCI). Interestingly, blood glucose levels were significantly higher in PD and PD-MCI patients (≥ 100 mg/dL, pre-diabetes) compared to HC. Collectively, we report the association of three RNA biomarkers, COPZ1, EFTUD2 and PTBP1 with clinical features including cognitive decline in early drug-naïve PD patients. Further, our results show that drug-naïve PD and PD-MCI patients have glucose levels characteristic of pre-diabetes patients, suggesting that impaired glucose metabolism is an early event in PD. Evaluation of these potential biomarkers in a larger longitudinal study is warranted.
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Affiliation(s)
- Jose A. Santiago
- The Cellular and Molecular Pharmacology Department, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States of America
| | - Judith A. Potashkin
- The Cellular and Molecular Pharmacology Department, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States of America
- * E-mail:
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Zhang W, Tian X, Mumtahana F, Jiao J, Zhang T, Croce KD, Ma D, Kong B, Cui B. The existence of Th22, pure Th17 and Th1 cells in CIN and Cervical Cancer along with their frequency variation in different stages of cervical cancer. BMC Cancer 2015; 15:717. [PMID: 26474968 PMCID: PMC4609069 DOI: 10.1186/s12885-015-1767-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 10/10/2015] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Recently, it is found that T-helper (Th) 22 cells are involved in different types of autoimmune and tumor diseases. But, till now, no study has been carried out to understand the involvement of these cells in cervical cancer (CC). METHODS Flow cytometry was used to determine the expression of interferon gamma (IFN-γ), Interleukin-22 (IL-22), IL-17 in the peripheral blood of healthy controls (HC), CIN and cervical cancer patients. From peripheral blood mononuclear cells (PBMCs), mRNA expression levels of Aryl hydrocarbon receptor (AHR), RAR-related orphan receptor C (RORC), TNF-α and IL-6 were respectively determined. Using the method of ELISA, plasma concentrations of IL-22, IL-17 and TNF-α were examined. RESULTS Th22 and Th17 cells were elevated in CC and CIN patients. Th1 cells and the plasma concentrations of IL-22 in CC patients were significantly increased compared with HC. In CC patients, an increased prevalence of Th22 cells was associated with lymph node metastases. There was a positive correlation between Th22 and Th17 cells, but an approximately negative correlation between Th22 and Th1 cells in CC patients. The mRNA expression of RORC, TNF-α and IL-6 was significantly high in CC patients. CONCLUSIONS Our results indicate that there is a higher circulatory frequency of Th22, Th17 and Th1 cells in CC which may conjointly participate in the pathogenesis and growth of CC.
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Affiliation(s)
- Wenjing Zhang
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
- Key Laboratory of Gynecologic Oncology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Xinli Tian
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
- Hematology Oncology Center, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
- Department of Obstetrics and Gynecology, Weifang Maternal and Child Health Hospital, Weifang, 261011, P.R. China.
| | - Fidia Mumtahana
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Jun Jiao
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
- Hematology Oncology Center, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Teng Zhang
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
- Hematology Oncology Center, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Kimiko Della Croce
- Department of Molecular & Cellular Biology, University of Arizona, Tucson, AZ, USA.
| | - Daoxin Ma
- Hematology Oncology Center, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Beihua Kong
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
| | - Baoxia Cui
- Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China.
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Taheri S, Zararsiz G, Karaburgu S, Borlu M, Ozgun MT, Karaca Z, Tanriverdi F, Dundar M, Kelestimur F, Unluhizarci K. Is idiopathic hirsutism (IH) really idiopathic? mRNA expressions of skin steroidogenic enzymes in women with IH. Eur J Endocrinol 2015; 173:447-54. [PMID: 26194504 DOI: 10.1530/eje-15-0460] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/20/2015] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Hirsutism results from hyperandrogenemia and/or exaggerated androgen responsiveness. Among various causes of hirsutism, some patients do not exhibit androgen excess which is called idiopathic hirsutism (IH). The pathogenesis of IH could not so far be clearly established. DESIGN To investigate the mRNA expression of aromatase enzyme and the other enzymes having functional roles in the steroidogenic pathway, in freshly obtained skin tissue from subumbilical skin and the arm of the patients with IH and healthy women. METHODS Twenty-one women with IH and 15 healthy women were included in the study. We aimed to determine mRNA expressions of genes associated with local androgen synthesis and metabolism (CYP11A1, STS, CYP19A1, SRD5A1, SRD5A2, HSD3B1, AR, COMT, ESR1, ESR2, HSD3B2, CYP17A1, SULT2A1, SULT1E1, HSD17B2, IL6, TGFB1, TNFA) from skin biopsy and blood samples of patients with IH and the data compared with healthy subjects. RESULTS Patients with IH exhibit significantly lower interleukin 6 (IL6) mRNA expression and higher steroid sulphatase (STS) and hydroxysteroid (17beta) dehydrogenase 2 (HSD17B2), gene mRNA expression, respectively, in the subumbilical region skin biopsies. Similarly, patients with IH exhibit significantly lower IL6 mRNA expression and higher STS and HSD17B2 gene mRNA expression, respectively, in the arm skin compared to healthy women's subumbilical region. CONCLUSIONS In both arm and subumbilical skin biopsy of patients with IH, we observed an up-regulation of HSD17B2 and STS, decreased IL6 mRNA expression, probably determining an increase in the local amount of active androgens, which could then be used as substrate for other androgen metabolic routes.
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Affiliation(s)
- Serpil Taheri
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Gokmen Zararsiz
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Sulbiye Karaburgu
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Murat Borlu
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Mahmut Tuncay Ozgun
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Zuleyha Karaca
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Fatih Tanriverdi
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Munis Dundar
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Fahrettin Kelestimur
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
| | - Kursad Unluhizarci
- Departments of Medical BiologyStatisticsEndocrinologyDermatologyObstetrics and GynecologyGeneticsErciyes University Medical School, Kayseri 38039, TurkeyBetul-Ziya Eren Genome and Stem Cell CenterErciyes University, Kayseri, Turkey
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Manokhina I, Wilson SL, Robinson WP. Noninvasive nucleic acid-based approaches to monitor placental health and predict pregnancy-related complications. Am J Obstet Gynecol 2015; 213:S197-206. [PMID: 26428499 DOI: 10.1016/j.ajog.2015.07.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [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: 06/03/2015] [Revised: 07/11/2015] [Accepted: 07/13/2015] [Indexed: 12/18/2022]
Abstract
During pregnancy, the placenta releases a variety of nucleic acids (including deoxyribonucleic acid, messenger ribonucleic acid, or microribonucleic acids) either as a result of cell turnover or as an active messaging system between the placenta and cells in the maternal body. The profile of released nucleic acids changes with the gestational age and has been associated with maternal and fetal parameters. It also can directly reflect pathological changes in the placenta. Nucleic acids may therefore provide a rich source of novel biomarkers for the prediction of pregnancy complications. However, their utility in the clinical setting depends, first, on overcoming some technical considerations in their quantification, and, second, on developing a better understanding of the factors that influence their function and abundance.
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Affiliation(s)
- Irina Manokhina
- Child and Family Research Institute, Vancouver, BC, Canada; Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Samantha L Wilson
- Child and Family Research Institute, Vancouver, BC, Canada; Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Wendy P Robinson
- Child and Family Research Institute, Vancouver, BC, Canada; Department of Medical Genetics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
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Damiano S, Sasso A, De Felice B, Terrazzano G, Bresciamorra V, Carotenuto A, Orefice NS, Orefice G, Vacca G, Belfiore A, Santillo M, Mondola P. The IFN-β 1b effect on Cu Zn superoxide dismutase (SOD1) in peripheral mononuclear blood cells of relapsing-remitting multiple sclerosis patients and in neuroblastoma SK-N-BE cells. Brain Res Bull 2015; 118:1-6. [PMID: 26327496 DOI: 10.1016/j.brainresbull.2015.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [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: 04/10/2015] [Revised: 07/16/2015] [Accepted: 08/25/2015] [Indexed: 11/18/2022]
Abstract
Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease leading to axonal injury. Even if the etiology of MS is still unknown the disease begins with inflammation involving autoreactive T lymphocytes activation in genetically susceptible subjects. Interferon beta-1b (IFN β 1b) is one of the most used drug in the MS therapy. The results obtained in this study show that the concentration of SOD1 in CSF of relapsing-remitting MS (RR-MS) patients, evaluated by enzyme-linked immunosorbent assay (ELISA), is decreased compared to pathological controls. Moreover, the Western blotting analysis demonstrated that SOD1 in human peripheral blood mononuclear cells (PBMC) in healthy controls was significantly higher compared to MS subjects before starting DMT therapy. In addition IFN β 1b therapy causes an increase of intracellular SOD1 protein as well as mRNA levels in PBMC. Moreover, the treatment of neuroblastoma SK-N-BE cells with IFN β 1b increased SOD1 protein and mRNA levels; these data also suggest that neuroprotective effect of this physiological molecule is, at least in part, carried out through its effect on SOD1. This study demonstrate that DMT therapy is able to increase SOD1 expression in PBMC of RR-MS patients. Therefore, the effectiveness of DMT therapy can be ascribed, at least in part, to an increased levels of this antioxidant enzyme as further confirmed by in vitro studies in SK-N-BE cells.
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Affiliation(s)
- Simona Damiano
- Dipartimento di Medicina Clinica e Chirurgia, Unità di Fisiologia, Università degli Studi di Napoli Federico II, Italy
| | - Anna Sasso
- Dipartimento di Medicina Clinica e Chirurgia, Unità di Fisiologia, Università degli Studi di Napoli Federico II, Italy
| | - Bruna De Felice
- Dipartimento di Scienze della Vita, Seconda Università di Napoli, Italy
| | | | - Vincenzo Bresciamorra
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, Italy
| | - Antonio Carotenuto
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, Italy
| | - Nicola S Orefice
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, Italy
| | - Giuseppe Orefice
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, Italy
| | - Giovanni Vacca
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, Italy
| | - Annamaria Belfiore
- Dipartimento di Medicina Clinica e Chirurgia, Unità di Fisiologia, Università degli Studi di Napoli Federico II, Italy
| | - Mariarosaria Santillo
- Dipartimento di Medicina Clinica e Chirurgia, Unità di Fisiologia, Università degli Studi di Napoli Federico II, Italy
| | - Paolo Mondola
- Dipartimento di Medicina Clinica e Chirurgia, Unità di Fisiologia, Università degli Studi di Napoli Federico II, Italy.
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Shih CL, Luo JD, Chang JWC, Chen TL, Chien YT, Yu CJ, Chiou CC. Circulating Messenger RNA Profiling with Microarray and Next-generation Sequencing: Cross-platform Comparison. Cancer Genomics Proteomics 2015; 12:223-230. [PMID: 26417025] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023] Open
Abstract
BACKGROUND Circulating mRNA is a less invasive and more easily accessed source of samples for biomedical research and clinical applications. However, it is of poor quality. We explored and compared the ability of two high-throughput platforms for the profiling of circulating mRNA regarding their ability to retrieve useful information out of this type of samples. MATERIALS AND METHODS Circulating mRNAs from three non-small cell lung cancer patients and three healthy controls were analyzed by the cDNA-mediated annealing, selection, extension, and ligation (DASL) assay and high-throughput RNA sequencing (RSEQ). Twelve genes were selected for further confirmation by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). RESULTS The overall expression profiles derived from the two platforms showed modest-to-moderate correlation. Genes with higher expression levels had higher cross-platform concordance than those of medium- and low-expression levels. In addition, the pathway signatures identified by gene set enrichment analysis from both platforms were in agreement. The RT-q PCR results for the selected genes correlated well with that of RSEQ. CONCLUSION Genes with higher expression levels have cross-platform concordance and can be potential biomarkers. Furthermore, RSEQ is a better tool for profiling circulating mRNAs.
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Affiliation(s)
- Chun-Liang Shih
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - Ji-Dung Luo
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C. Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - John Wen-Cheng Chang
- Division of Hematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan, R.O.C. School of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - Tai-Long Chen
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C. Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - Yu-Tzu Chien
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C
| | - Chia-Jung Yu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C.
| | - Chiuan-Chian Chiou
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C. Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan, R.O.C.
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Fan YC, Wang N, Sun YY, Xiao XY, Wang K. TIPE2 mRNA Level in PBMCs Serves as a Novel Biomarker for Predicting Short-Term Mortality of Acute-on-Chronic Hepatitis B Liver Failure: A Prospective Single-Center Study. Medicine (Baltimore) 2015; 94:e1638. [PMID: 26426653 PMCID: PMC4616875 DOI: 10.1097/md.0000000000001638] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
It remains difficult to accurately predicate short-term mortality of acute-on-chronic hepatitis B liver failure (ACHBLF). Tumor necrosis factor-α-induced protein 8-like 2 (TIPE2) is a novel identified negative regulator of immune response and we have previously demonstrated TIPE2 play an essential role in the pathogenesis of ACHBLF. We therefore aimed to evaluate the diagnosis value of TIPE2 mRNA in peripheral blood mononuclear cells (PBMCs) for predicting 3-month mortality of ACHBLF patients. This prospective study consisted of 108 ACHBLF patients from March 2009 to May 2013 as training cohort and 63 ACHBLF patients from June 2013 to December 2014 as validation cohort. Forty-two patients with chronic hepatitis B (CHB) and 22 healthy volunteers were also included as controls. The mRNA level of TIPE2 in PBMCs was determined using quantitative real-time polymerase chain reaction. Univariate analysis and Cox proportional hazard regression analysis were performed to identify independent risk factors to 3-month mortality. Area under the receptor operating characteristic curve (AUROC) was performed to assess diagnostic value of TIPE2 mRNA in training and validation cohort. The level of TIPE2 mRNA was significantly higher in ACHBLF patients (median (interquartile): 6.5 [3.7, 9.6]) compared with CHB (2.3 [1.6, 3.7]) and healthy controls (0.4 [0.3, 0.6]; both P < 0.05). Cox proportional hazards regression analyses showed 5 independent risk factors associated with 3-month mortality of ACHBLF: white blood cells (HR = 1.058, 95% CI: 1.023-1.095), spontaneous bacterial peritonitis (HR = 2.541, 95% CI: 1.378-4.686), hepatic encephalopathy (HR = 1.848, 95% CI: 1.028-3.321), model for end-stage liver diseases (MELD) score (HR = 1.062, 95% CI: 1.009-1.118), and TIPE2 mRNA (HR = 1.081, 95% CI: 1.009-1.159). An optimal cut-off point 6.54 of TIPE2 mRNA showed sensitivity of 74.63%, specificity of 90.24%, positive predictive value of 92.5%, and negative predictive value of 67.3% for predicting 3-month mortality in training cohort. Furthermore, TIPE2 mRNA plus MELD performed better than MELD alone for predicting 3-month mortality in training (AUROC, 0.853 vs 0.722, P < 0.05) and validation cohort (AUROC, 0.909 vs 0.717, P < 0.001). TIPE2 mRNA level might be a novel biomarker in predicting 3-month mortality of ACHBLF. Combination of TIPE2 mRNA and MELD would improve the diagnostic value of MELD alone in predicting 3-month mortality of patients with ACHBLF.
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Affiliation(s)
- Yu-Chen Fan
- From the Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China (Y-CF, NW, Y-YS, KW); Institute of Hepatology, Shandong University, Jinan, China (Y-CF, KW); and Department of Nephrology, Qilu Hospital of Shandong University, Jinan, China (X-YX)
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