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Su Z, Ni P, Zhou C, Wang J. Myeloid-Derived Suppressor Cells in Cancers and Inflammatory Diseases: Angel or Demon? Scand J Immunol 2016; 84:255-261. [PMID: 27541573 DOI: 10.1111/sji.12473] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 07/29/2016] [Accepted: 08/16/2016] [Indexed: 02/06/2023]
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Su Z, Zhu G, Chen X, Yang Y. Sparse envelope model: efficient estimation and response variable selection in multivariate linear regression. Biometrika 2016. [DOI: 10.1093/biomet/asw036] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hunter H, Hinz R, Gerhard A, Talbot P, Su Z, Holland G, Hopkins S, Griffiths C, Kleyn C. Brain inflammation and psoriasis: a [11C]-(R)-PK11195 positron emission tomography study. Br J Dermatol 2016; 175:1082-1084. [DOI: 10.1111/bjd.13788] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Cai A, Qi S, Su Z, Shen H, Yang Y, Cai W, Dai Y. A Pilot Metabolic Profiling Study of Patients With Neonatal Jaundice and Response to Phototherapy. Clin Transl Sci 2016; 9:216-20. [PMID: 27306191 PMCID: PMC5351341 DOI: 10.1111/cts.12401] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 04/18/2016] [Accepted: 04/22/2016] [Indexed: 12/03/2022] Open
Abstract
Phototherapy has been widely used in treating neonatal jaundice, but detailed metabonomic profiles of neonatal jaundice patients and response to phototherapy have not been characterized. Our aim was to depict the serum metabolic characteristics of neonatal jaundice patients relative to controls and changes in response to phototherapy. A (1) H nuclear magnetic resonance (NMR)-based metabonomic approach was employed to study the metabolic profiling of serum from healthy infants (n = 25) and from infants with neonatal jaundice (n = 30) pre- and postphototherapy. The acquired data were processed by multivariate principal component analysis (PCA) and orthogonal partial least-squares-discriminant analysis (OPLS-DA). The PLS-DA and OPLS-DA model identified nine metabolites capable of distinguishing patients from controls. In addition, 28 metabolites such as β-glucose, α-glucose, valine, and pyruvate changed in response to phototherapy. This study offers useful information on metabolic disorders in neonatal jaundice patients and the effects of phototherapy on lipids, amino acid, and energy metabolism.
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Su Z, Liu G, Song X, Liang B, Chang X, Huang D. CpG island evolution in the mammalian DHRS4 gene cluster and its role in the regulation of gene transcription. GENETICS AND MOLECULAR RESEARCH 2016; 15:gmr7752. [PMID: 27323117 DOI: 10.4238/gmr.15027752] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The dehydrogenase/reductase (SDR family) member 4 (DHRS4) gene is copied during mammalian evolution; therefore, while only one DHRS4 gene is expressed in the mouse genome, the gene cluster consists of two (DHRS4 and DHRS4L1) and three (DHRS4, DHRS4L2, and DHRS4L1) copies in chimpanzees and humans, respectively. In this study, we explored the possible regulatory mechanism of the DHRS4 gene cluster in mammalian evolution by analyzing the promoter sequence, methylation of CpG islands, and RNA expression of the DHRS4 gene cluster in mice, chimpanzees, and humans by bioinformatics prediction, bisulfite sequencing PCR, and real-time reverse transcriptase-PCR. The results indicated that the DHRS4 gene was actively expressed in the three model species. The RNA level of DHRS4L1 was much lower than those of DHRS4 and DHRS4L2, and expressed lower homologous sequence identity to DHRS4 and DHRS4L2. DHRS4L2, the latest evolutionary copy of the DHRS4 gene in mammals, received a high promoter prediction score, and was the only copy of the DHRS4 gene cluster presenting hypermethylated CpG islands in the promoter region. An analysis of the relationship between the promoter characteristics and RNA expression of the DHRS4 gene cluster indicated that the development of CpG islands, in addition to the promoter sequence, during mammalian evolution could modulate the dose compensatory regulation of the copy number-varied DHRS4 gene cluster.
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Su Z, Li YY, Ma HM, Zhang J, Du ML. [Characterization of ovarian adrenal rest tumors in children and adolescent females with congenital adrenal hyperplasia due to 21-hydroxylase deficiency]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2016; 54:414-8. [PMID: 27256226 DOI: 10.3760/cma.j.issn.0578-1310.2016.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To summarize the characterization of ovarian adrenal rest tumors (OART) in children and adolescent females with congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency (21-OHD). METHOD We have diagnosed 4 cases of CAH 21-OHD with OART in the recent 5 years in pediatric endocrinology unit of the first affiliated hospital of Sun Yat-Sen University. Clinical characterizations were summarized, including symptoms, growth patterns and bone age advancements, serum steroid concentrations, imaging results and the follow-up data. RESULT The 4 cases of OART accounted for 2.5 % of the CAH 21-OHD girls, which was much lower than the detection rate, 29.5%, of testicular ART in our patient group during the same period. The 4 cases included 3 salt wasters and 1 with simple virilizm. OART were diagnosed at the age of 8.9 years, 15.8 years, 21.4 years and 9.3 years, respectively. Before the diagnosis of OART, their daily hydrocortisone doses reached 16 mg/(m(2)·d)to 24 mg/(m(2)·d). The patients presented with deteriorated acne, deepened voice, amenorrhea (2 cases), accelerated growth and advanced bone age, ΔBA/ΔCA reached 1.2(during GnRHa treatment)and 2.0. Their serum adrenal steroids increased significantly and hyperplasia of adrenal glands were found in all patients. The diagnosis could be confirmed before the operation in only 1 case. The diagnosis could not be made until the planned sub-total adrenalectomy in the other 3 cases. The follow-up periods of OART were 4.8, 4.7, 3.8 and 2.7 years, respectively. Removal of OART resulted in symptoms relief at least partialy and lowered daily hydrocortisone doses, 14 to 19 mg/(m(2)·d). CONCLUSION The detection rate of OART was much lower than testicular ART. Before the diagnosis of OART, the patients presented with deteriorated virilescence, accelerated growth and advanced bone age, elevated serum adrenal steroids and hyperplasia of adrenal glands. Removal of the OART resulted in symptoms relief at least partialy.
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Su Z, Mamalui M, Li Z. SU-F-T-564: 3 Year Experience of Treatment Plan QualityAssurance for Vero SBRT Patients. Med Phys 2016. [DOI: 10.1118/1.4956749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Mamalui M, Su Z, Flampouri S, Li Z. SU-F-P-31: Dosimetric Effects of Roll and Pitch Corrections Using Robotic Table. Med Phys 2016. [DOI: 10.1118/1.4955738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Chen L, Huang Z, Yang B, Cai B, Su Z, Wang L. AB0010 Association of Gene Polymorphisms in ETS-1 with Rankl in Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Zhu X, Zhu Y, Liu W, Yang G, Su Z, Tang L, Xu Y. Improved image-quality consistency in coronary CT angiography using a test-bolus-based individually tailored contrast medium injection protocol. Clin Radiol 2016; 71:1113-9. [PMID: 27170220 DOI: 10.1016/j.crad.2016.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 02/20/2016] [Accepted: 04/01/2016] [Indexed: 11/20/2022]
Abstract
AIM To develop and validate a test bolus (TB)-based quantitative model to create an individualised contrast medium injection protocol for use at coronary computed tomography angiography (CCTA) to improve patient-to-patient uniformity of intracoronary attenuation. MATERIALS AND METHODS In the model-building phase, 175 patients who underwent CCTA using a traditional contrast medium injection protocol were recruited. A personalised injection equation was proposed according to the relationship between aortic enhancement and the haemodynamic parameters obtained from the TB. In the model-validation phase, a target aortic enhancement of 350 HU was set. Two hundred and fifteen additional CCTA examinations were performed using the proposed personalised injection model. Comparisons of inter-individual variability between the traditional and the proposed personalised injection protocol were performed. RESULTS In the model-building phase, a high positive correlation between aortic enhancement and the haemodynamic parameters obtained from the TB was found. As a result, a personalised injection equation was determined using linear regression. In the model-validation phase, the average aortic enhancement was 350.5 HU, without significant differences from the preset level. Using the TB-based personalised injection protocol, inter-individual variability of aortic enhancement was significantly reduced (71.8 versus 38.9 HU, p<0.001) and patients who were scanned at 100 kVp had a reduction in the average contrast medium flow rate from 4.1 to 3.2 ml/s (p<0.001). CONCLUSIONS The proposed TB-based injection protocol can achieve a desired preset and stable aortic enhancement.
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Su Z, Gauvin D, Wetter J, Salte K, Gerstein C, Leys L, Huang S, Shaughn B, Waegell W, Edlmayer R, Scott V, Honore P, McGaraughty S, Gauld S. 530 Comparison of IL-23 models of psoriasiform dermatitis in mice. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Su Z, Duan Z, Pan W, Wu C, Jia Y, Han B, Li C. Predicting extracapsular spread of head and neck cancers using different imaging techniques: a systematic review and meta-analysis. Int J Oral Maxillofac Surg 2016; 45:413-21. [DOI: 10.1016/j.ijom.2015.11.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 11/22/2015] [Accepted: 11/27/2015] [Indexed: 02/06/2023]
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Su Z, Yang Z, Xie L, DeWitt JP, Chen Y. Cancer therapy in the necroptosis era. Cell Death Differ 2016; 23:748-56. [PMID: 26915291 PMCID: PMC4832112 DOI: 10.1038/cdd.2016.8] [Citation(s) in RCA: 223] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 12/21/2015] [Accepted: 01/03/2016] [Indexed: 12/14/2022] Open
Abstract
Necroptosis is a caspase-independent form of regulated cell death executed by the receptor-interacting protein kinase 1 (RIP1), RIP3, and mixed lineage kinase domain-like protein (MLKL). Recently, necroptosis-based cancer therapy has been proposed to be a novel strategy for antitumor treatment. However, a big controversy exists on whether this type of therapy is feasible or just a conceptual model. Proponents believe that because necroptosis and apoptosis use distinct molecular pathways, triggering necroptosis could be an alternative way to eradicate apoptosis-resistant cancer cells. This hypothesis has been preliminarily validated by recent studies. However, some skeptics doubt this strategy because of the intrinsic or acquired defects of necroptotic machinery observed in many cancer cells. Moreover, two other concerns are whether or not necroptosis inducers are selective in killing cancer cells without disturbing the normal cells and whether it will lead to inflammatory diseases. In this review, we summarize current studies surrounding this controversy on necroptosis-based antitumor research and discuss the advantages, potential issues, and countermeasures of this novel therapy.
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Henderson R, Hoppe B, Bryant C, Mendenhall W, Nichols R, Li Z, Su Z, Morris C, Costa J, Mendenhall N, Williams C. Five-Year Outcomes From a Prospective Trial of Image Guided Accelerated Hypofractionated Proton Therapy for Prostate Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Bryant C, Mendenhall W, Hoppe B, Henderson R, Nichols R, Su Z, Williams C, Morris C, Li Z, Mendenhall N. Biochemical Outcomes for Patients With Intermediate-Risk Prostate Cancer Treated With Proton Therapy. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Yu Y, Fuscoe JC, Zhao C, Guo C, Jia M, Qing T, Bannon DI, Lancashire L, Bao W, Du T, Luo H, Su Z, Jones WD, Moland CL, Branham WS, Qian F, Ning B, Li Y, Hong H, Guo L, Mei N, Shi T, Wang KY, Wolfinger RD, Nikolsky Y, Walker SJ, Duerksen-Hughes P, Mason CE, Tong W, Thierry-Mieg J, Thierry-Mieg D, Shi L, Wang C. A rat RNA-Seq transcriptomic BodyMap across 11 organs and 4 developmental stages. Nat Commun 2015; 5:3230. [PMID: 24510058 PMCID: PMC3926002 DOI: 10.1038/ncomms4230] [Citation(s) in RCA: 259] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 01/10/2014] [Indexed: 02/07/2023] Open
Abstract
The rat has been used extensively as a model for evaluating chemical toxicities and for understanding drug mechanisms. However, its transcriptome across multiple organs, or developmental stages, has not yet been reported. Here we show, as part of the SEQC consortium efforts, a comprehensive rat transcriptomic BodyMap created by performing RNA-Seq on 320 samples from 11 organs of both sexes of juvenile, adolescent, adult and aged Fischer 344 rats. We catalogue the expression profiles of 40,064 genes, 65,167 transcripts, 31,909 alternatively spliced transcript variants and 2,367 non-coding genes/non-coding RNAs (ncRNAs) annotated in AceView. We find that organ-enriched, differentially expressed genes reflect the known organ-specific biological activities. A large number of transcripts show organ-specific, age-dependent or sex-specific differential expression patterns. We create a web-based, open-access rat BodyMap database of expression profiles with crosslinks to other widely used databases, anticipating that it will serve as a primary resource for biomedical research using the rat model. Gene expression is highly variable between tissues, and changes during development and with age. Here, the authors provide a comprehensive RNA-Seq analysis of the rat transcriptome, spanning eleven organs, four developmental stages and both sexes.
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Pan L, Ma X, Wen B, Su Z, Zheng X, Liu Y, Li H, Chen Y, Wang J, Lu F, Qu J, Hou L. Microphthalmia-associated transcription factor/T-box factor-2 axis acts through Cyclin D1 to regulate melanocyte proliferation. Cell Prolif 2015; 48:631-42. [PMID: 26486273 DOI: 10.1111/cpr.12227] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 08/07/2015] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVES Control of cell proliferation is critical for accurate cell differentiation and tissue formation, during development and regeneration. Here, we have analysed the role of microphthalmia-associated transcription factor MITF and its direct target, T-box factor TBX2, in regulating proliferation of mammalian neural crest-derived melanocytes. MATERIALS AND METHODS Immunohistochemistry was used to examine spatial and temporal expression of TBX2 in melanocytes in vivo. RNAi and cell proliferation analysis were used to investigate functional roles of TBX2. Furthermore, quantitative RT-PCR, western blot analysis and flow cytometry were used to further scrutinize molecular mechanisms underlying TBX2-dependent cell proliferation. RESULTS TBX2 was found to be co-expressed with MITF in melanocytes of mouse hair follicles. Specific Tbx2 knockdown in primary neural crest cells led to inhibition MITF-positive melanoblast proliferation. Tbx2 knockdown in melan-a cells led to reduction in Cyclin D1 expression and G1-phase cell cycle arrest. TBX2 directly activated Ccnd1 transcription by binding to a specific sequence in the Ccnd1 promoter, and the defect in cell proliferation could be rescued partially by overexpression of Cyclin D1 in Tbx2 knockdown melanocytes. CONCLUSIONS Results suggest that the Mitf-Tbx2-Cyclin D1 pathway played an important role in regulation of melanocyte proliferation, and provided novel insights into the complex physiology of melanocytes.
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Saef S, Carr C, Bush J, Bartman M, Sendor A, Spearman J, Zhao W, Su Z, Zhang J, Arnaud C, Obeid J. 248 Can Data From a Health Information Exchange Be Used to Describe Frequent Emergency Department Users Within a Region? Ann Emerg Med 2015. [DOI: 10.1016/j.annemergmed.2015.07.281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Meng S, Su Z, Liu Z, Wang N, Wang Z. Rac1 contributes to cerebral ischemia reperfusion-induced injury in mice by regulation of Notch2. Neuroscience 2015; 306:100-14. [DOI: 10.1016/j.neuroscience.2015.08.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 07/07/2015] [Accepted: 08/06/2015] [Indexed: 11/16/2022]
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Kong F, Zheng D, She P, Ni P, Zhu H, Xu H, Su Z. Porphyromonas gingivalis B cell Antigen Epitope Vaccine, pIRES-ragB'-mGITRL, Promoted RagB-Specific Antibody Production and Tfh Cells Expansion. Scand J Immunol 2015; 81:476-82. [PMID: 25689343 DOI: 10.1111/sji.12281] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 01/27/2015] [Indexed: 11/30/2022]
Abstract
The outer membrane protein RagB is one of the major virulence factors of Porphyromonas gingivalis (P. gingivalis). To prevent periodontitis and associated systemic diseases induced by P. gingivalis, we built B cell antigen epitope vaccine characterized by pIRES-ragB'-mGITRL to induce a protective immune responses. The B cell antigen epitope and scrambled peptide of ragB were predicted, cloned into pIRES and constructed pIRES-ragB', pIRES-scrambled epitopes and pIRES-ragB'-mGITRL. pIRES-ragB'-mGITRL was transfected into COS-7 cells. Subsequently, the 6-week-old female BALB/c mice were challenged by P. gingivalis following three time immunization by pIRES, pIRES-ragB', pIRES-scrambled epitopes and pIRES-ragB'-mGITRL. The levels of RagB-specific antibody in the serum and Tfh cells in the spleen were measured by ELISA and flow cytometry, respectively. And higher levels of RagB-specific IgG were produced in the immunized mice with pIRES-ragB'-mGITRL. Additionally, the number of Tfh cells was also expanded and lesions were diminished in pIRES-ragB'-mGITRL mice comparing with control groups. Our results clearly demonstrated that P. gingivalis B cell antigen epitope vaccine, pIRES-ragB'-mGITRL, could induce protective immune responses. Furthermore, our data also indicated that pIRES-ragB'-mGITRL was a potential therapeutic vaccine against P. gingivalis.
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Zhang W, Yu Y, Hertwig F, Thierry-Mieg J, Zhang W, Thierry-Mieg D, Wang J, Furlanello C, Devanarayan V, Cheng J, Deng Y, Hero B, Hong H, Jia M, Li L, Lin SM, Nikolsky Y, Oberthuer A, Qing T, Su Z, Volland R, Wang C, Wang MD, Ai J, Albanese D, Asgharzadeh S, Avigad S, Bao W, Bessarabova M, Brilliant MH, Brors B, Chierici M, Chu TM, Zhang J, Grundy RG, He MM, Hebbring S, Kaufman HL, Lababidi S, Lancashire LJ, Li Y, Lu XX, Luo H, Ma X, Ning B, Noguera R, Peifer M, Phan JH, Roels F, Rosswog C, Shao S, Shen J, Theissen J, Tonini GP, Vandesompele J, Wu PY, Xiao W, Xu J, Xu W, Xuan J, Yang Y, Ye Z, Dong Z, Zhang KK, Yin Y, Zhao C, Zheng Y, Wolfinger RD, Shi T, Malkas LH, Berthold F, Wang J, Tong W, Shi L, Peng Z, Fischer M. Comparison of RNA-seq and microarray-based models for clinical endpoint prediction. Genome Biol 2015; 16:133. [PMID: 26109056 PMCID: PMC4506430 DOI: 10.1186/s13059-015-0694-1] [Citation(s) in RCA: 241] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 06/12/2015] [Indexed: 12/22/2022] Open
Abstract
Background Gene expression profiling is being widely applied in cancer research to identify biomarkers for clinical endpoint prediction. Since RNA-seq provides a powerful tool for transcriptome-based applications beyond the limitations of microarrays, we sought to systematically evaluate the performance of RNA-seq-based and microarray-based classifiers in this MAQC-III/SEQC study for clinical endpoint prediction using neuroblastoma as a model. Results We generate gene expression profiles from 498 primary neuroblastomas using both RNA-seq and 44 k microarrays. Characterization of the neuroblastoma transcriptome by RNA-seq reveals that more than 48,000 genes and 200,000 transcripts are being expressed in this malignancy. We also find that RNA-seq provides much more detailed information on specific transcript expression patterns in clinico-genetic neuroblastoma subgroups than microarrays. To systematically compare the power of RNA-seq and microarray-based models in predicting clinical endpoints, we divide the cohort randomly into training and validation sets and develop 360 predictive models on six clinical endpoints of varying predictability. Evaluation of factors potentially affecting model performances reveals that prediction accuracies are most strongly influenced by the nature of the clinical endpoint, whereas technological platforms (RNA-seq vs. microarrays), RNA-seq data analysis pipelines, and feature levels (gene vs. transcript vs. exon-junction level) do not significantly affect performances of the models. Conclusions We demonstrate that RNA-seq outperforms microarrays in determining the transcriptomic characteristics of cancer, while RNA-seq and microarray-based models perform similarly in clinical endpoint prediction. Our findings may be valuable to guide future studies on the development of gene expression-based predictive models and their implementation in clinical practice. Electronic supplementary material The online version of this article (doi:10.1186/s13059-015-0694-1) contains supplementary material, which is available to authorized users.
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Amoah BP, Yang H, Zhang P, Su Z, Xu H. Immunopathogenesis of Myocarditis: The Interplay Between Cardiac Fibroblast Cells, Dendritic Cells, Macrophages and CD4+T Cells. Scand J Immunol 2015; 82:1-9. [DOI: 10.1111/sji.12298] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 02/21/2015] [Accepted: 03/14/2015] [Indexed: 02/06/2023]
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Abstract
Obesity resistance is an increasingly popular area of study in academia, although the factors that lead to the occurrence of obesity resistance remain unclear. In this review, we discuss the currently known causes of obesity resistance. By comparing the differences between obesity-resistant individuals and obesity-susceptible individuals, researchers have identified the characteristics of obesity-resistant individuals. The primary approach has been to breed rats and mice with a high-fat diet and to compare the differences between obesity-resistant and obesity-susceptible individuals. The characterized differences have included gastrointestinal fat absorption, appetite, physical activity, fat storage, and fat consumption. Considerably more research is needed into the mechanisms of obesity resistance that could be used to lose weight among human subjects. However, there are few ongoing obesity resistance studies. Due to the relatively slow rate of development in this field, greater efforts must be applied in this area.
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Su Z, Dagan R, Li Z. SU-E-T-686: SBRT 4-Dimensional Treatment Planning for Vero Dynamic Tumor Tracking Lung Patients. Med Phys 2015. [DOI: 10.1118/1.4925049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Mamalui-Hunter M, Su Z, Li Z. SU-E-T-183: Clinical Quality Assurance Workflow for Dynamic Tumor Tracking Radiation Dose Delivery. Med Phys 2015. [DOI: 10.1118/1.4924544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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