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Maulik M, Vergote D, Phukan G, Chung J, Thinakaran G, Kar S. The Effects of Extracellular Serum Concentration on APP Processing in Npc1-Deficient APP-Overexpressing N2a Cells. Mol Neurobiol 2017; 55:5757-5766. [DOI: 10.1007/s12035-017-0799-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 10/11/2017] [Indexed: 11/29/2022]
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Lee S, Ahn S, Lee Y, Lee D, Chung J. 118 Leucine-rich alpha-2-glycoprotein 1, which is down-regulated during skin aging, plays a role in the maintenance of extracellular matrix integrity. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kim M, Kim E, Cho K, Lee D, Chung J. 451 Anacardic acid reduces lipogenesis in human differentiated adipocytes via inhibition of histone acetylation. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kim E, Lee D, Kim Y, Tian Y, Chung M, Chung J. 276 Adiponectin-based short peptides in the treatment of sensitive skin. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.274] [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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Gay L, Pavlick D, Chung J, Ramkissoon S, Daniel S, Elvin J, Severson E, Bivona T, Reckamp K, Klempner S, Ou SH, Schrock A, Miller V, Stephens P, Ross J, Ganesan S, Lovly C, Mansfield A, Ali S. Genomic profiling of 114,200 advanced cancers identifies recurrent kinase domain duplications (KDD) and oncogenic rearrangements (RE) across diverse tumor types. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ross J, Vanden Borre P, Almog N, Schrock A, Chung J, Vergilio JA, Suh J, Ramkissoon S, Severson E, Daniel S, Ali S, Miller V, Stephens P, Elvin J, Gay L. Comprehensive Genomic Profiling (CGP) of Thymic Gland Carcinomas. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx391.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lara P, McPherson J, Heyer W, Hartmaier R, Devere White R, Chung J, Ali S, Dall’Era M. Comprehensive characterization of BRCA1 and BRCA2 alterations in circulating tumor DNA and tumor tissue in men with prostate cancer: Implications for clinical care. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx370.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Disel U, Madison R, Chung J, Gounder M, Oztan A, Benson A, Webster J, Klempner S, Ou SH, Ganesan S, Janeway K, Stephens P, Ross J, Schrock A, Miller V, Ali S. Co-amplification of KIT/KDR/PDGRA in over 100,000 advanced cancer cases. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx390.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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McGregor B, Ali S, Grivas P, Ross J, Stephens P, Miller V, Forcier B, Chung J, Pal S. Correlation of circulating tumor DNA (ctDNA) assessment with tissue-based comprehensive genomic profiling (CGP) in metastatic urothelial cancer (mUC). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx371.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Schrock A, Fabrizio D, He Y, Chung J, Resnick M, Stephens P, Ross J, Miller V, Ramkissoon S, Elvin J, Ali S, Fakih M, Klempner S. Analysis of POLE mutation and tumor mutational burden (TMB) across 80,853 tumors: Implications for immune checkpoint inhibitors (ICPIs). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx376.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ross J, Gay L, Elvin J, Suh J, Vergilio JA, Ramkissoon S, Severson E, Daniel S, Frampton G, Fabrizio D, Schrock A, Ali S, Miller V, Stephens P, Chung J. Comprehensive genomic profiling of primary and metastatic CDH1 mutated classic and pleomorphic invasive lobular breast carcinomas reveals markers of hormonal therapy resistance and opportunities for targeted therapies. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx365.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Pal S, Agarwal N, Choueiri T, Stephens P, Ross J, Miller V, Ali S, Chung J, Grivas P. Comparison of tumor mutational burden (TMB) in relevant molecular subsets of metastatic urothelial cancer (MUC). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx371.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Bagel J, Tyring S, Rice KC, Collier DH, Kricorian G, Chung J, Iles J, Stolshek BS, Kaliyaperumal A, Papp KA. Open-label study of etanercept treatment in patients with moderate-to-severe plaque psoriasis who lost a satisfactory response to adalimumab. Br J Dermatol 2017; 177:411-418. [PMID: 28196270 DOI: 10.1111/bjd.15381] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/08/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND Some patients with plaque psoriasis experience secondary failure of tumour necrosis factor inhibitor therapy. OBJECTIVES To evaluate efficacy, safety and patient-reported outcomes (PROs) with etanercept in patients with secondary adalimumab failure. METHODS This phase IV open-label single-arm estimation study (NCT01543204) enrolled patients on adalimumab who had achieved static Physician's Global Assessment (sPGA) score 0/1 (clear/almost clear). Patients subsequently lost response, defined as sPGA ≥ 3 or loss of 50% improvement in Psoriasis Area and Severity Index (PASI 50). At baseline, patients had involved body surface area ≥ 10%, sPGA ≥ 3 and PASI ≥ 10. Antiadalimumab antibodies (ADAs) were measured at screening. Patients received etanercept 50 mg twice weekly for 12 weeks, followed by 50 mg weekly. The primary end point was sPGA 0/1 at week 12 (intention-to-treat analysis; no hypothesis tested). Additional outcomes included rates of sPGA 0/1, PASI responses, safety, PROs of itch, pain and flaking, Dermatology Life Quality Index, treatment satisfaction and Work Productivity and Activity Impairment questionnaire. RESULTS Sixty-four patients enrolled; 67% had ADAs. sPGA 0/1 rates at week 12 were 39·7% [95% confidence interval (CI) 27·6-52·8; primary end point] and 45% (95% CI 29·3-61·5) for patients positive for ADAs and 35% (95% CI 15·4-59·2) for patients negative for ADAs. PASI 75 response rates at week 12 were 47·5% (95% CI 31·5-63·9) for patients who were positive for ADAs and 50% (95% CI 27·2-72·8) for patients negative for ADAs. No new safety signals were observed. PROs of itch, pain and flaking consistently improved at week 12 and were maintained through week 24. CONCLUSIONS Patients with psoriasis who experienced secondary failure of adalimumab achieved satisfactory response to etanercept regardless of ADA status.
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Chung J, Ozkaynak M, Demiris G. THE USE OF WORKFLOW ANALYSIS TO CHARACTERIZE PATTERNS OF OLDER ADULTS’ DAILY ACTIVITIES. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Chung J, Lee T, Yim E, Choi H. COMPARISON OF PHYSICAL FUNCTION IN DAY CARE AND HOME CARE SETTINGS AMONG OLDER ADULTS WITH DEMENTIA. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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141
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Chung J, Song M, Oh S, Lim S, Lee G, Lee H. Tumor necrosis as a prognostic factor of diffuse large B-cell lymphoma treated with R-CHOP therapy. Hematol Oncol 2017. [DOI: 10.1002/hon.2439_26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Ko J, Chung J. Direct measurements of safety factor profiles with motional Stark effect for KSTAR tokamak discharges with internal transport barriers. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2017; 88:063505. [PMID: 28667969 DOI: 10.1063/1.4986461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The safety factor profile evolutions have been measured from the plasma discharges with the external current drive mechanism such as the multi-ion-source neutral beam injection for the Korea Superconducting Tokamak Advanced Research (KSTAR) for the first time. This measurement has been possible by the newly installed motional Stark effect (MSE) diagnostic system that utilizes the polarized Balmer-alpha emission from the energetic neutral deuterium atoms induced by the Stark effect under the Lorentz electric field. The 25-channel KSTAR MSE diagnostic is based on the conventional photoelastic modulator approach with the spatial and temporal resolutions less than 2 cm (for the most of the channels except 2 to 3 channels inside the magnetic axis) and about 10 ms, respectively. The strong Faraday rotation imposed on the optical elements in the diagnostic system is calibrated out from a separate and well-designed polarization measurement procedure using an in-vessel reference polarizer during the toroidal-field ramp-up phase before the plasma experiment starts. The combination of the non-inductive current drive during the ramp-up and shape control enables the formation of the internal transport barrier where the pitch angle profiles indicate flat or slightly hollow profiles in the safety factor.
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Kim M, Kim E, Kim Y, Lee Y, Lee D, Chung J. 528 Anacardic acid reduces lipogenesis in human differentiated adipocytes via inhibition of histone acetylation. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lee H, Oh J, Shin M, Lim J, Kim Y, Kim K, Cho S, Chung J. 560 CHSY1 may be a major regulator of GAG chain length on decorin and biglycan in intrinsically aged and photoaged human skin. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.581] [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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Ruan V, Czer LSC, Awad M, Kittleson M, Patel J, Arabia F, Esmailian F, Ramzy D, Chung J, De Robertis M, Trento A, Kobashigawa JA. Use of Anti-Thymocyte Globulin for Induction Therapy in Cardiac Transplantation: A Review. Transplant Proc 2017; 49:253-259. [PMID: 28219580 DOI: 10.1016/j.transproceed.2016.11.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 11/16/2016] [Indexed: 01/20/2023]
Abstract
The most common causes of death after heart transplantation (HTx) include acute rejection and multi-organ failure in the early period and malignancy and cardiac allograft vasculopathy (CAV) in the late period. Polyclonal antibody preparations such as rabbit anti-thymocyte globulin (ATG) may reduce early acute rejection and the later occurrence of CAV after HTx. ATG therapy depletes T cells, modulates adhesion and cell-signaling molecules, interferes with dendritic cell function, and induces B-cell apoptosis and regulatory and natural killer T-cell expansion. Evidence from animal studies and from retrospective clinical studies in humans indicates that ATG can be used to delay calcineurin inhibitor (CNI) exposure after HTx, thus benefiting renal function, and to reduce the incidence of CAV and ischemia-reperfusion injury in the transplanted heart. ATG may reduce de novo antibody production after HTx. ATG does not appear to increase cytomegalovirus infection rates with longer prophylaxis (6-12 months). In addition, ATG may reduce the risk of lymphoproliferative disease and does not appear to confer an additive effect on acquiring lymphoma after HTx. Randomized, controlled trials may provide stronger evidence of ATG association with patient survival, graft rejection, renal protection through delayed CNI initiation, as well as other benefits. It can also help establish optimal dosing and patient criteria to maximize treatment benefits.
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Reich H, Ramzy D, Mirocha J, De Robertis M, Chung J, Esmailian F, Chang D, Moriguchi J, Czer L, Trento A, Arabia F. Not All INTERMACS Level 1’s Are the Same: Survival After Total Artificial Heart Implantation with or without Temporary Circulatory Support. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Kobashigawa J, Esmailian F, Aintablian T, Ramzy D, Trento A, Chung J, Moriguchi J, Czer L, Chang D, Hamilton M, Kittleson M. Immediate ECMO Support After Heart Transplantation: Does It Portend Reasonable Outcome? J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.1227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Yoon SW, England AC, Kim WC, Yonekawa H, Bak JG, Park BH, Kim J, You KI, Jeon YM, Hahn SH, Oh YK, Chung J, Lee KD, Lee HJ, Leuer JA, Eidietis NW. Effect of Magnetic Materials on the In-Vessel Magnetic Configuration in KSTAR. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst13-706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ravi V, Madison R, Schrock AB, Cote G, Millis S, Alvarez R, Choy E, Katz D, Chung J, Gay L, Miller VA, Ross JS, Ali SM, Schnitt S. Abstract P2-12-01: Comprehensive genomic profiling of 34 cases of breast angiosarcoma. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p2-12-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Angiosarcoma of the breast (BAS) is a rare but lethal neoplasia, either arising de novo or secondary to radiation therapy, with incidence of the latter disease increasing. We queried a database of more than 70,000 advanced cancer patients assayed with comprehensive genomic profiling (CGP) in the course of clinical care to uncover the frequency, type and associated genomic alterations (GA) in BAS and to highlight possible routes to benefit from targeted therapy.
Methods: CGP was performed for 34 BAS cases using a hybrid-capture, adaptor ligation based next generation sequencing assay of up to 315 genes to a mean coverage depth of >500X. The results were analyzed for base substitutions, short insertions and deletions, selected rearrangements, and copy number changes. RNA sequencing for 265 genes was also performed for 24 cases. Limited clinical histories from submitted pathology reports were reviewed under IRB permission.
Results: Clinical specimens from 34 BAS patients, all females, were assayed. The cases harbored 87 total GA for a mean of 2.59 per case, 25% of which were copy number amplifications. The most commonly altered genes were MYC (41%, 14/34), PIK3CA (26%, 9/34), and KDR (26%, 9/34). All MYC alterations were amplifications with a mean copy number of 39, and alterations in other MYC family members (MYCN and MYCL1) were not observed. KDR was recurrently altered as T771R (7/9) and T771K (1/9) and amplified in one case (1/9).
MYC and KDR alterations were mutually exclusive (p<0.0001). 6/14 MYC amplified cases had prior histories of breast carcinoma, with 3/6 noted as being treated with radiation therapy. For the remainder of MYC amplified cases (8/14), no relevant clinical history was available.
Two cases harboring gene fusions were identified including CIC-MEGF8 and NTRK1-PEAR1. Two rearrangements of potential functional significance including CIC-DEDD2 and HT-ALK (exon1 HT - exon5-29 ALK including kinase domain) were also observed. The case harboring HT-ALK also had MYC amplification and known prior radiation therapy. Two other MYC amplified cases also harbored targetable kinase alterations, including FLT4 amplification (described as targetable in Ravi et al JNCCN 2016) and FGFR3 S249C, a known activating mutation.
Conclusions: MYC amplification defines over 40% (14/34) of advanced BAS cases. Of MYC amplified cases, 28% (4/14) harbored targetable alterations of tyrosine kinases including a potential novel ALK fusion. FLT4 amplification only co-occurred with MYC amplification, but this result was not statistically significant in this small series. KDR and MYC alteration were mutually exclusive, and 45% of non-MYC altered cases (9/20) harbored KDR alterations, which were predominantly mutations of T771. Further clinico-pathologic correlation, particularly history of radiation therapy, will be explored in this series, as well defining BAS that harbor neither MYC nor KDR alterations.
Citation Format: Ravi V, Madison R, Schrock AB, Cote G, Millis S, Alvarez R, Choy E, Katz D, Chung J, Gay L, Miller VA, Ross JS, Ali SM, Schnitt S. Comprehensive genomic profiling of 34 cases of breast angiosarcoma [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P2-12-01.
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Park CY, Chung J, Koo KO, Kim MS, Han SN. Hepatic iron storage is related to body adiposity and hepatic inflammation. Nutr Metab (Lond) 2017; 14:14. [PMID: 28228829 PMCID: PMC5307864 DOI: 10.1186/s12986-017-0169-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 02/06/2017] [Indexed: 12/21/2022] Open
Abstract
Background Obesity has been reported to be associated with iron deficiency. However, few studies have investigated iron status in low adiposity. To investigate whether body adiposity was associated with altered hepatic iron status, we compared liver iron levels and markers involved in inflammation and iron absorption in obese, control, and mildly calorie restricted mice. Methods Seven week old C57BL/6 mice were fed control (10% kcal fat, Control) or high fat (60% kcal fat, HFD) diets, or reduced amount of control diet to achieve 15% calorie restriction (CR) for 16 weeks. Hepatic non-heme iron content and ferritin protein level, and hematocrit and hemoglobin levels were determined to assess iron status. Hepatic expression of Mcp-1 and Tnf-α were measured as hepatic inflammatory markers. Hepatic hepcidin (Hamp) and Bmp6, and duodenal Dmt1, Dcyt1b, hephaestin (Heph) and ferroportin mRNA levels were measured as factors involved in regulation of iron absorption. Results Hepatic non-heme iron and ferritin protein levels were significantly higher in the CR group compared with the Control group, and significantly lower in the HFD group. These two iron status markers showed significantly negative correlations with the amount of white adipose tissue (r = -0.689 for hepatic non-heme iron and r = -0.740 for ferritin). Hepatic Mcp-1 and Tnf-α mRNA levels were significantly lower in the CR compared with the HFD (74 and 47% lower) and showed significantly negative correlations with hepatic non-heme iron levels (Mcp-1: r = -0.557, P < 0.05; Tnf-α: r = -0.464, P < 0.05). Hepatic Hamp mRNA levels were lower in the HFD and higher in the CR groups compared with the Control group, which could be a response to maintain iron homeostasis. Duodenal Dcyt1b mRNA levels were higher in the CR group compared with the HFD group and duodenal Heph mRNA levels were higher in the CR group than the Control group. Conclusion We showed that body adiposity was inversely correlated with liver iron status. Low inflammation levels in hepatic milieu and enhanced expression of duodenal oxidoreductases induced by calorie restriction could have contributed to higher iron status.
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