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Cancer autoantibody

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https://www.readbyqxmd.com/read/27896669/detection-of-autoantibodies-to-dsf70-ledgfp75-in-mexican-hispanics-using-multiple-complementary-assay-platforms
#1
Mónica Vázquez-Del Mercado, Eduardo Gómez-Bañuelos, Rosa Elena Navarro-Hernández, Oscar Pizano-Martinez, Adan Saldaña-Millán, Efrain Chavarria-Avila, Lorena Gonzalez-Rosas, Lilia Andrade-Ortega, Miguel Angel Saavedra, Olga Lidia Vera-Lastra, Luis Javier Jara, Gabriel Medrano-Ramírez, Claudia Cruz-Reyes, Ignacio García-De la Torre, Marta Escarra-Senmarti, Lisiane Maria Enriconi-Dos Anjos, Anamika Basu, Roger Albesa, Michael Mahler, Carlos A Casiano
PURPOSE: Antinuclear autoantibodies (ANA) targeting the dense fine speckled antigen DFS70, also known as lens epithelium-derived growth factor p75 (LEDGF/p75), are attracting attention due to their low frequency in systemic rheumatic diseases but increased frequency in clinical laboratory referrals and healthy individuals (HI). These ANA specifically recognize the stress protein DFS70/LEDGFp75, implicated in cancer, HIV-AIDS, and inflammation. While their frequency has been investigated in various ethnic populations, there is little information on their frequency among Hispanics/Latinos...
December 2017: Auto- Immunity Highlights
https://www.readbyqxmd.com/read/27875523/a-protein-fragment-derived-from-dna-topoisomerase-i-as-a-novel-tumour-associated-antigen-for-the-detection-of-early-stage-carcinoma
#2
Shang-Mian Yie, Shang-Rong Ye, Xiao-Li Ma, Ke Xie, Jian-Bo Zhang, Mei Cao, Xu He, Zhen-Bo Hu, Cheng-Lu Yang, Jia Zhang, Jie Zeng
BACKGROUND: The production of autoantibodies against tumour-associated antigens (TAAs) is believed to reflect greater immunologic reactivity in cancer patients and enhanced immune surveillance for cancer cells. Over the past few decades, a number of different TAAs and their corresponding autoantibodies have been investigated. However, positive frequency of autoantibody detection in cancer patients has been relatively low. Here we describe a novel TAA that was a fragment derived from human DNA-topoiomerase I and an autoantibody against the novel TAA with relatively high positive frequency in the sera of early-stage non-small-cell lung cancer (NSCLC), gastric cancer (GC), colorectal cancer (CRC) and oesophageal squamous cell carcinoma (ESCC)...
November 22, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27856749/in-vivo-amelioration-of-endogenous-antitumor-autoantibodies-via-low-dose-p4n-through-the-lta4h-activin-a-baff-pathway
#3
Yu-Ling Lin, Nu-Man Tsai, Cheng-Hao Hsieh, Shu-Yi Ho, Jung Chang, Hsin-Yi Wu, Ming-Hua Hsu, Chia-Ching Chang, Kuang-Wen Liao, Tiffany L B Jackson, David E Mold, Ru Chih C Huang
Cancer progression is associated with the development of antitumor autoantibodies in patients' sera. Although passive treatment with antitumor antibodies has exhibited remarkable therapeutic efficacy, inhibitory effects on tumor progression by endogenous antitumor autoantibodies (EAAs) have been limited. In this study, we show that P4N, a derivative of the plant lignan nordihydroguaiaretic acid (NDGA), enhanced the production of EAAs and inhibited tumor growth at low noncytotoxic concentrations via its immunoregulatory activity...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27847402/autoantibody-response-to-zrf1-and-krr1-serex-antigens-in-patients-with-breast-tumors-of-different-histological-types-and-grades
#4
Lada Dyachenko, Kristina Havrysh, Anita Lytovchenko, Irina Dosenko, Stepan Antoniuk, Valeriy Filonenko, Ramziya Kiyamova
Purpose. To investigate a frequency of antibody response to SEREX-identified medullary breast carcinoma autoantigens ZRF1 and KRR1 in sera of breast cancer patients taking into account clinical and molecular characteristics of tumors for opening of new perspectives in creation of minimally invasive immunological tests for cancer diagnostics. Methods. Enzyme-linked immunosorbent assay and bioinformatics analysis. Results. Increased frequency of antibody response was found in sera of breast cancer patients to ZRF and KRR1 antigens...
2016: Disease Markers
https://www.readbyqxmd.com/read/27821747/systematic-autoantigen-analysis-identifies-a-distinct-subtype-of-scleroderma-with-coincident-cancer
#5
George J Xu, Ami A Shah, Mamie Z Li, Qikai Xu, Antony Rosen, Livia Casciola-Rosen, Stephen J Elledge
Scleroderma is a chronic autoimmune rheumatic disease associated with widespread tissue fibrosis and vasculopathy. Approximately two-thirds of all patients with scleroderma present with three dominant autoantibody subsets. Here, we used a pair of complementary high-throughput methods for antibody epitope discovery to examine patients with scleroderma with or without known autoantibody specificities. We identified a specificity for the minor spliceosome complex containing RNA Binding Region (RNP1, RNA recognition motif) Containing 3 (RNPC3) that is found in patients with scleroderma without known specificities and is absent in unrelated autoimmune diseases...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27801769/adult-onset-opsoclonus-myoclonus-syndrome-associated-with-ganglionic-acetylcholine-receptor-autoantibody
#6
Jonathan R Galli, Stacey L Clardy, M Mateo Paz Soldán
INTRODUCTION: Opsoclonus-myoclonus syndrome (OMS) may have a toxin induced, parainfectious, or paraneoplastic etiology. Several autoantibodies have been associated with adult-onset OMS, most commonly antineuronal nuclear antibody 2 (Ri), and it is most frequently associated with breast or small cell lung cancer. The nicotinic ganglionic acetylcholine receptor autoantibody (α3-AChR Ab) has not been described in association. CASE REPORT: A 46-year-old woman was evaluated for symptoms of oscillopsia, tremor, gait imbalance, and mild cognitive deficits that began 6 weeks prior...
November 2016: Neurologist
https://www.readbyqxmd.com/read/27793776/case-control-study-smoking-history-affects-the-production-of-tumor-antigen-specific-antibodies-ny-eso-1-in-patients-with-lung-cancer-in-comparison-with-cancer-disease-free-group
#7
Dagmar Myšíková, Irena Adkins, Hradilová Naďa, Palata Ondřej, Jan Šimonek, Jiří Pozniak, Jan Kolařík, Anna Skallová-Fialová, Radek Špíšek, Robert Lischke
INTRODUCTION: Lung cancer is the leading cause of cancer mortality worldwide therefore understanding the biological or clinical role of tumor associated antigens and autoantibodies is of an eminent interest for designing anti-tumor immunotherapeutic strategies. METHODS: Here we prospectively analyzed the serum frequencies of NY-ESO-1, Her2/neu and MAGE-A4 antibodies and corresponding antigens expression in tumors of 121 non-small cell lung (NSCLC) patients undergoing surgery without prior neoadjuvant chemotherapy and compared them with 57 control age-matched patients with no history of a malignant disease...
October 25, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27788745/-establishment-and-verification-of-detecting-multiple-biomarkers-for-ovarian-cancer-by-suspension-array-technology
#8
B B Zhao, Z J Yang, Q Wang, Z M Pan, W Zhang, D R Li, L Li
Objective: Establish and validation of combined detecting of CCL18, CXCL1, C1D, TM4SF1, FXR1, TIZ suspension array technology. Methods: (1)CCL18, CXCL1 monoclonal antibody and C1D, TM4SF1, FXR1, TIZ protein were coupled with polyethylene microspheres. Biotinylated CCL18, CXCL1 polyclonal antibody and sheep anti-human IgG polyclonal antibody were prepared simultaneously. The best packaged concentrations of CCL18, CXCL1 monoclonal antibody and C1D, TM4SF1, FXR1, TIZ antigens were optimized. The best packaged concentrations of CCL18, CXCL1 polyclonal antibodys and C1D, TM4SF1, FXR1, TIZ sheep anti-human IgG polyclonal antibody were optimized to establish a stable detected suspension array...
October 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27778118/a-panel-of-autoantibodies-as-potential-early-diagnostic-serum-biomarkers-in-patients-with-breast-cancer
#9
Ying Liu, Ying Liao, Linlin Xiang, Kuo Jiang, Siyao Li, Mingmei Huangfu, Shilong Sun
BACKGROUND: Specific circulating autoantibodies are produced by host immune systems to respond to antigens that arise during tumorigenesis. To achieve auxiliary diagnosis, the present study was designed to test whether circulating autoantibodies against tumor-associated antigens (TAAs) were altered in early breast cancer. METHODS: A total of 102 breast cancer patients and 146 age-matched healthy volunteers were recruited to participate in this study. Autoantibody expression was tested using in-house developed enzyme-linked immunosorbent assay (ELISA) with linear peptide envelope antigens derived from TAAs...
October 24, 2016: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27776522/inositol-1-4-5-trisphosphate-receptor-type-1-autoantibodies-in-paraneoplastic-and-non-paraneoplastic-peripheral-neuropathy
#10
Sven Jarius, Marius Ringelstein, Jürgen Haas, Irina I Serysheva, Lars Komorowski, Kai Fechner, Klaus-Peter Wandinger, Philipp Albrecht, Harald Hefter, Andreas Moser, Eva Neuen-Jacob, Hans-Peter Hartung, Brigitte Wildemann, Orhan Aktas
BACKGROUND: Recently, we described a novel autoantibody, anti-Sj/ITPR1-IgG, that targets the inositol 1,4,5-trisphosphate receptor type 1 (ITPR1) in patients with cerebellar ataxia. However, ITPR1 is expressed not only by Purkinje cells but also in the anterior horn of the spinal cord, in the substantia gelatinosa and in the motor, sensory (including the dorsal root ganglia) and autonomic peripheral nervous system, suggesting that the clinical spectrum associated with autoimmunity to ITPR1 may be broader than initially thought...
October 24, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27775439/panel-of-serex-defined-antigens-for-breast-cancer-autoantibodies-profile-detection
#11
Olga Kostianets, Maksym Shyyan, Stepan Vasil'ovich Antoniuk, Valeriy Filonenko, Ramziya Kiyamova
CONTENT: Identification of panel of SEREX-defined antigens for breast cancer autoantibodies profile detection. OBJECTIVE: To create panel of antigens that can differentiate breast cancer patients and healthy individuals. METHODS: SEREX (serological analysis of cDNA expression libraries) method, ELISA (enzyme-linked immunosorbent assay), qPCR (quantitative polymerase chain reaction). RESULTS: In large-scale screening of 16 SEREX-antigens by sera of breast cancer patients and healthy donors, a combination of six antigens (RAD50, PARD3, SPP1, SAP30BP, NY-BR-62 and NY-CO-58) was identified, which can differentiate breast cancer patients and healthy donors with 70% sensitivity and 91% specificity...
November 9, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/27769114/serum-protein-markers-for-the-early-detection-of-lung-cancer-a-focus-on-autoantibodies
#12
Ingrid Broodman, Jan Lindemans, Jenny van Sten, Rainer Bischoff, Theo M Luider
Lung cancer has the highest mortality rate among cancer patients in the world, in particular because most patients are only diagnosed at an advanced and non-curable stage. Computed tomography (CT) screening on high-risk individuals has shown that early detection could reduce the mortality rate. However, the still high false-positive rate of CT screening may harm healthy individuals because of unnecessary follow-up scans and invasive follow-up procedures. Alternatively, false-negative and indeterminate results may harm patients due to the delayed diagnosis and treatment of lung cancer...
October 21, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/27761751/myositis-specific-autoantibodies-and-their-association-with-malignancy-in-italian-patients-with-polymyositis-and-dermatomyositis
#13
Angela Ceribelli, Natasa Isailovic, Maria De Santis, Elena Generali, Micaela Fredi, Ilaria Cavazzana, Franco Franceschini, Luca Cantarini, Minoru Satoh, Carlo Selmi
This study aims to characterize myositis-specific antibodies in a well-defined cohort of patients with idiopathic inflammatory myopathy and to determine their association with cancer. Sera from 40 patients with polymyositis, dermatomyositis, and controls were tested by protein and RNA immunoprecipitation to detect autoantibodies, and immunoprecipitation-Western blot was used for anti-MJ/NXP-2, anti-MDA5, and anti-TIF1γ/α identification. Medical records were re-evaluated with specific focus on cancer. Anti-MJ/NXP-2 and anti-TIF1γ/α were the most common antibodies in dermatomyositis...
October 20, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27761483/cancer-association-as-a-risk-factor-for-anti-hmgcr-antibody-positive-myopathy
#14
Masato Kadoya, Ayumi Hida, Meiko Hashimoto Maeda, Kenichiro Taira, Chiseko Ikenaga, Naohiro Uchio, Akatsuki Kubota, Kenichi Kaida, Yusuke Miwa, Kazuhiro Kurasawa, Hiroyuki Shimada, Masahiro Sonoo, Atsuro Chiba, Yasushi Shiio, Yoshikazu Uesaka, Yasuhisa Sakurai, Toru Izumi, Manami Inoue, Shin Kwak, Shoji Tsuji, Jun Shimizu
OBJECTIVE: To show cancer association is a risk factor other than statin exposure for anti-3-hydroxy-3-methylglutaryl coenzyme A reductase autoantibody-positive (anti-HMGCR Ab+) myopathy. METHODS: We analyzed the clinical features and courses of 33 patients (23 female and 10 male) with anti-HMGCR Ab+ myopathy among 621 consecutive patients with idiopathic inflammatory myopathies. RESULTS: Among the 33 patients, 7 (21%) were statin-exposed and 26 were statin-naive...
December 2016: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/27756887/anti-firs-puf60-auto-antibodies-are-detected-in-the-sera-of-early-stage-colon-cancer-patients
#15
Sohei Kobayashi, Tyuji Hoshino, Takaki Hiwasa, Mamoru Satoh, Bahityar Rahmutulla, Sachio Tsuchida, Yuji Komukai, Tomoaki Tanaka, Hisahiro Matsubara, Hideaki Shimada, Fumio Nomura, Kazuyuki Matsushita
Anti-PUF60, poly(U)-binding-splicing factor, autoantibodies are reported to be detected in the sera of dermatomyositis and Sjogren's syndrome that occasionally associated with malignancies. PUF60 is identical with far-upstream element-binding protein-interacting repressor (FIR) that is a transcriptional repressor of c-myc gene. In colorectal cancers, a splicing variant of FIR that lacks exon2 (FIRΔexon2) is overexpressed as a dominant negative form of FIR. In this study, to reveal the presence and the significance of anti-FIRs (FIR/FIRΔexon2) antibodies in cancers were explored in the sera of colorectal and other cancer patients...
October 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27753013/detection-of-p53-mutations-in-circulating-dna-of-transplanted-hepatocellular-carcinoma-patients-as-a-biomarker-of-tumor-recurrence
#16
N García-Fernández, Hada C Macher, Amalia Rubio, Pilar Jiménez-Arriscado, C Bernal-Bellido, M L Bellido-Díaz, G Suárez-Artacho, Juan M Guerrero, M A Gómez-Bravo, Patrocinio Molinero
p53 is the most commonly mutated gene in malignant human cancers. To detect p53 mutations in circulating DNA (cirDNA) of transplanted hepatocellular carcinoma (HCC) patients could be an interesting approach to know of any tumor recurrence. In this study, our objective was to determine the utility of this method in the diagnosis and the prognosis of HCC tumor recurrence.Twenty four liver transplanted HCC patients were included in the study together with a group of healthy controls. Detection of the specific p53 mutation in cirDNA was performed by high-resolution melting PCR (HRM-PCR) and COLD-PCR immediately before the transplantation...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27742740/immunoseroproteomic-profiling-in-african-american-men-with-prostate-cancer-evidence-for-an-autoantibody-response-to-glycolysis-and-plasminogen-associated-proteins
#17
Tino W Sanchez, Guangyu Zhang, Jitian Li, Liping Dai, Saied Mirshahidi, Nathan R Wall, Clayton Yates, Colwick Wilson, Susanne Montgomery, Jian-Ying Zhang, Carlos A Casiano
African American (AA) men suffer from a disproportionately high incidence and mortality of prostate cancer (PCa) compared with other racial/ethnic groups. Despite these disparities, African American men are underrepresented in clinical trials and in studies on PCa biology and biomarker discovery. We used immunoseroproteomics to profile antitumor autoantibody responses in AA and European American (EA) men with PCa, and explored differences in these responses. This minimally invasive approach detects autoantibodies to tumor-associated antigens that could serve as clinical biomarkers and immunotherapeutic agents...
December 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27741522/the-influence-of-psa-autoantibodies-in-prostate-cancer-patients-a-prospective-clinical-study-ii
#18
Kosei Nakajima, Lance K Heilbrun, Daryn Smith, Victor Hogan, Avraham Raz, Elisabeth Heath
The U.S. Preventive Services Task Force (USPSTF) has recommended against PSA-based screening for prostate cancer due to potential possibilities of false-results. Since no alternative test is available to replace it, we have initiated a trial with the purpose of establishing whether Galectin-3 (Gal-3) serum level and/or the patients' immune response to PSA and Gal-3 antigens could complement the PSA test as diagnostic tools for prostate cancer patients. A blind, prospective, single institution, pilot study was conducted...
October 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27741512/positive-associations-between-galectin-3-and-psa-levels-in-prostate-cancer-patients-a-prospective-clinical-study-i
#19
Kosei Nakajima, Lance K Heilbrun, Victor Hogan, Daryn Smith, Elisabeth Heath, Avraham Raz
Galectin-3 (Gal-3), an oncogenic pro-inflammatory protein, has been suggested as a possible complementary diagnostic candidate to prostate specific antigen (PSA) blood test for prostate cancer patients. The presence of the proteins in the circulation (biomarkers) may elicit an intrinsic humoral immune reaction by generating autoantibodies, which consequently could alter the detection levels. Here, we report the associations of the two prostate cancer biomarkers, Gal-3 and PSA in patients at different clinical states of prostate cancer while taking into account the autoantibody levels...
October 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27725125/isoaspartylation-appears-to-trigger-small-cell-lung-cancer-associated-autoimmunity-against-neuronal-protein-elavl4
#20
Mario A Pulido, Meleeneh Kazarian DerHartunian, Zhenxia Qin, Eric M Chung, Diane S Kang, Andrew W Woodham, Jeffrey A Tsou, Rinse Klooster, Omid Akbari, Lina Wang, W Martin Kast, Stephen V Liu, Jan J G M Verschuuren, Dana W Aswad, Ite A Laird-Offringa
Autoantibodies against SCLC-associated neuronal antigen ELAVL4 (HuD) have been linked to smaller tumors and improved survival, but the antigenic epitope and mechanism of autoimmunity have never been solved. We report that recombinant human ELAVL4 protein incubated under physiological conditions acquires isoaspartylation, a type of immunogenic protein damage. Specifically, the N-terminal region of ELAVL4, previously implicated in SCLC-associated autoimmunity, undergoes isoaspartylation in vitro, is recognized by sera from anti-ELAVL4 positive SCLC patients and is highly immunogenic in subcutaneously injected mice and in vitro stimulated human lymphocytes...
October 15, 2016: Journal of Neuroimmunology
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