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alpha fetoprotein tumor marker

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https://www.readbyqxmd.com/read/28031532/cell-free-methylation-markers-with-diagnostic-and-prognostic-potential-in-hepatocellular-carcinoma
#1
Chang-Yi Lu, Shih-Ya Chen, Hui-Ling Peng, Pu-Yeh Kan, Wan-Chi Chang, Chia-Jui Yen
Hepatocellular carcinoma (HCC) is a highly malignant tumor with poor prognosis and high mortality. There is a dearth of effective early diagnostic tools, so liver resection surgery and liver transplantation are the only effective medical treatments. The most commonly used marker for HCC detection is serum alpha fetoprotein (AFP), which has low sensitivity and specificity. Because aberrant DNA methylation of genes and miRNAs occurs early in most cancers, we explored whether circulating methylation markers could be promising clinical tools for HCC diagnosis...
December 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/28011514/clinical-performance-of-cea-ca19-9-ca15-3-ca125-and-afp-in-gastrointestinal-cancer-using-loci%C3%A2-based-assays
#2
Ramona C Dolscheid-Pommerich, Steffen Manekeller, Gisela Walgenbach-Brünagel, Jörg C Kalff, Gunther Hartmann, Birgit Stoffel Wagner, Stefan Holdenrieder
BACKGROUND/AIM: Few data are available regarding the clinical performance of LOCI™-based tumor marker assays. We investigated the diagnostic power of carcinogenic antigen, carbohydrate antigen 19-9, carbohydrate antigen 15-3, carbohydrate antigen 125 and alpha-fetoprotein for detection of gastrointestinal (GI) cancer. PATIENTS AND METHODS: We analyzed sera from 204 patients (107 with GI cancer, 73 with benign GI diseases and 24 healthy controls) using the Dimension™ Vista1500 analyzer...
January 2017: Anticancer Research
https://www.readbyqxmd.com/read/28002522/primary-retroperitoneal-seminoma-embryology-histopathology-and-treatment-particularities
#3
Constantin Virgil Gîngu, Mihaela Mihai, Cătălin Baston, Mugurel Alexandru Crăsneanu, Alexandru Vladimir Dick, Vlad Olaru, Ioanel Sinescu
INTRODUCTION: Retroperitoneal seminoma is a very rare form of cancer, with embryological origin represented by primordial germ cells from the urogenital ridges left behind during the fetal development. Extragenital germ cell tumors can also occur in the mediastinum or the pineal gland. The aim of this paper is to outline the particularities and draw embryological, histopatological and treatment conclusions regarding extragonadal germ cell tumors. PATIENT AND METHODS: A 43-year-old patient without any additional pathology was admitted for anemia of unknown etiology...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27992270/role-of-high-dose-chemotherapy-with-autologous-stem-cell-rescue-in-men-with-previously-treated-germ-cell-tumors
#4
Lance C Pagliaro
The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice...
December 19, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27888684/ultrasensitive-non-enzymatic-multiple-immunosensor-for-tumor-markers-detection-by-coupling-dna-hybridization-chain-reaction-with-intercalated-molecules
#5
Jinjin Guo, Junchun Wang, Junjun Zhang, Wenjuan Zhang, Yuzhong Zhang
In this study, we tried coupling the small signal molecules that could intercalate into DNA double helix with hybridization chain reaction (HCR) technique to fabricate a multiple immunosensor. Doxorubicin hydrochloride (DXH) and methylene blue (MB) were used as signal molecules and alpha-fetoprotein (AFP) and carcinoembryonic antigen (CEA) were selected as model biomarkers. The immunosensor mainly consists of three parts as follows: First, two different primary antibodies (Ab1) immobilized on the surface of gold nanoparticles (Au NPs); Second, secondary antibodies (Ab2) conjugated with DNA primer; Third, long DNA concatemers from HCR were used as a carrier to intercalate amounts of signal molecules (DXH or MB)...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27855672/nut-midline-carcinoma-mimicking-a-germ-cell-tumor-a-case-report
#6
Yohei Harada, Takafumi Koyama, Kengo Takeuchi, Kazufusa Shoji, Kazuei Hoshi, Yu Oyama
BACKGROUND: NUT midline carcinoma (NMC) is a rare and highly aggressive malignancy. Although more information on NMC has been recently accumulating in the literature, most oncologists and pathologists remain unfamiliar with the clinical and pathologic features of this disease. The clinical features of NMC sometimes mimic those of other malignancies, and NMC can therefore be overlooked if the diagnosis is not suspected. We present the case of a young male with NMC arising in the mediastinum with elevated serum alpha-fetoprotein levels suggestive of an extragonadal nonseminomatous germ-cell tumor...
November 17, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27825410/conventional-tumor-markers-in-cerebralspinal-fluid-in-patients-with-elevated-serum-br-tumor-markers-and-without-central-nervous-system-malignant-diseases
#7
Zhi-Jie Liu, Qiang Shi, Bin Lu, Zhen Zhang, Cheng-Lin Tian
Objective To explore the diffusion pattern of tumor markers (TM) from serum to cerebrospinal fluid (CSF) via the blood-brain barrier in patients with elevated serum tumor markers (TM).Methods Inpatients receiving lumbar puncture during hospitalization in our center from January 1, 2013 to December 31, 2015 were divided into study group (n=181) and control group (n=251). The study group consisted of patients with elevated serum TMs but without malignant central nervous system diseases. The control group consisted of patients with normal serum TM levels and without malignant diseases...
October 10, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/27802203/diagnostic-and-prognostic-roles-of-serum-vitronectin-in-hepatitis-b-related-hepatocellular-carcinoma
#8
Xiao-Ping Yang, Li-Xing Zhou, Qi-Jun Yang, Ling Liu, Yang Cai, Sheng-Lin Ma
BACKGROUND: Vitronectin (VN) might be involved in the progression of hepatocellular carcinoma (HCC). OBJECTIVE: This study was designed to evaluate the diagnostic and prognostic value of serum vitronectin among HCC patients. METHODS: A total of 105 patients with HCC, 91 with liver cirrhosis, 102 with chronic hepatitis, and 100 healthy subjects were recruited. Serum VN and alpha-fetoprotein (AFP) levels were measured. RESULTS: Serum VN levels were significantly higher in HCC patients than in the other groups...
September 26, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27788714/-research-advances-in-diagnostic-and-therapeutic-application-of-long-chain-non-coding-rnas-in-hepatocellular-carcinoma
#9
W X Li, Q Li, Y Lin, Y X Huang, L Chen
In recent years, hepatocellular carcinoma (HCC) has become one of the serious health-threatening malignancies worldwide, and its incidence and mortality rates continue to rise. Hepatitis B (HBV) is moderately endemic in China, with enormous numbers of HBV-related HCC cases. Although serum alpha-fetoprotein (AFP) and ultrasound are the major diagnostic methods for HCC, they have limited application for screening out early or small HCC. The current management of HCC is based on tumor size and location, not on suppressing tumorigenesis, and therefore patients are often faced with low 5-year survival and high relapse rates...
August 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27783314/space-occupying-lesions-in-the-liver
#10
REVIEW
Manigandan Subramanyam Thyagarajan, Khalid Sharif
Space occupying liver lesions usually present with abdominal pain or abnormal physical findings, such as a palpable abdominal mass or distention. Liver lesions identified in children include benign and malignant neoplasms, inflammatory masses, cysts and metastatic lesions. Two-thirds of liver lesions in children are malignant. Hepatoblastoma accounts for two-thirds of malignant liver tumors in children. Benign lesions of the liver in children include vascular lesions, hamartomas, adenomas, and focal nodular hyperplasia...
October 25, 2016: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/27777395/diagnostic-role-of-blood-tumor-markers-in-predicting-hepatocellular-carcinoma-in-liver-cirrhosis-patients-undergoing-liver-transplantation
#11
Younghwan Kim, Yo-Han Park, Shin Hwang, Ki-Hun Kim, Chul-Soo Ahn, Deok-Bog Moon, Tae-Yong Ha, Gi-Won Song, Dong-Hwan Jung, Gil-Chun Park, Sung-Gyu Lee
BACKGROUND The aim of this study was to investigate the diagnostic role of alpha-fetoprotein (AFP) and des-gamma-carboxy prothrombin (DCP) in predicting hepatocellular carcinoma (HCC) in patients with advanced liver cirrhosis (LC) awaiting liver transplantation (LT). MATERIAL AND METHODS During a study period of 10 years, 2074 adult LT recipients were identified. They were divided into 2 groups: HCC (n=970; 46.8%) and non-HCC (n=1104; 53.2%). They were stratified into 5 categories according to model for end-stage liver disease (MELD) scores: <10 (n=464), ≥10 and <15 (n=632), ≥15 and <20 (n=355), ≥20 and <30 (n=340), and ≥30 (n=283)...
October 25, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/27775285/-testicular-and-paratesticular-tumors-in-prepubertal-children
#12
J Rojas-Ticona, M Fernández-Ibieta, L Nortes Cano, O Girón-Vallejo, P Reyes Ríos, I Martínez Castaño, V Villamil, J I Ruiz Jiménez
OBJECTIVES: To describe our experience in testicular and paratesticular tumors during the prepubertal stage, focusing especially on its character of benignity/malignancy and surgical treatment used. MATERIAL AND METHODS: Retrospective review of all testicular tumors in children under 12 years diagnosed and treated in our clinical setting from 1998-2015. Data on their presentation, study and management were collected. RESULTS: 17 children with prepubertal testicular tumors were identified...
April 15, 2015: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27748052/irregular-vascular-pattern-by-contrast-enhanced-ultrasonography-and-high-serum-lens-culinaris-agglutinin-reactive-fraction-of-alpha-fetoprotein-level-predict-poor-outcome-after-successful-radiofrequency-ablation-in-patients-with-early-stage-hepatocellular-carcinoma
#13
Hitomi Takada, Kaoru Tsuchiya, Yutaka Yasui, Natsuko Nakakuki, Nobuharu Tamaki, Shoko Suzuki, Hiroyuki Nakanishi, Jun Itakura, Yuka Takahashi, Masayuki Kurosaki, Yasuhiro Asahina, Nobuyuki Enomoto, Namiki Izumi
Radiofrequency ablation (RFA) is considered the most effective treatment for early-stage hepatocellular carcinoma (HCC) patients unsuitable for resection. However, poor outcome after RFA has occasionally been reported worldwide. To predict such an outcome, we investigated imaging findings using contrast-enhanced ultrasonography (CEUS) with Sonazoid and serum tumor markers before RFA. This study included 176 early-stage HCC patients who had initially achieved successful RFA. Patients were examined using CEUS; their levels of alpha-fetoprotein (AFP), Lens culinaris agglutinin-reactive fraction of AFP (AFP-L3), and des-gamma-carboxy prothrombin before RFA were measured...
November 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27723613/malignant-extra-cranial-germ-cell-tumors-in-children-and-adolescents-results-following-the-guidelines-of-sfop-sfce-95-protocol
#14
Pedro Zubizarreta, Ana Rossa, Marcela Bailez, Silvia Gil, Adriana Rose, Walter Cacciavillano
Between September 1995 and December 2010, 99 new consecutive assessable patients with extra-cranial MGCT were treated according to SFOP/SFCE TGM95 Protocol. A "watch and wait" strategy for completely resected stage I-II was observed in cases with preoperative high tumor markers levels. Metastatic disease or alpha fetoprotein levels > 15 000 ng/ml cases were treated by VIP chemotherapy (etoposide, ifosfamide and CDDP) 4-6-courses. All other cases were treated by VBP (vinblastine, bleomycin, and CDDP) 3-5 courses...
2016: Medicina
https://www.readbyqxmd.com/read/27713135/recombinant-heat-shock-protein-70-functional-peptide-and-alpha-fetoprotein-epitope-peptide-vaccine-elicits-specific-anti-tumor-immunity
#15
Xiao-Ping Wang, Qiao-Xia Wang, Huan-Ping Lin, Bing Xu, Qian Zhao, Kun Chen
Alpha-fetoprotein (AFP) is a marker of hepatocellular carcinoma (HCC) and serves as a target for immunotherapy. However, current treatments targeting AFP are not reproducible and do not provide complete protection against cancer. This issue may be solved by developing novel therapeutic vaccines with enhanced immunogenicity that could effectively target AFP-expressing tumors. In this study, we report construction of a therapeutic peptide vaccine by linking heat shock protein 70 (HSP70) functional peptide to the AFP epitope to obtain HSP70-P/AFP-P...
October 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27711105/adenomatous-hyperplasia-of-the-rete-testis-a-rare-intrascrotal-lesion-managed-with-limited-testicular-excision
#16
Francesco Catanzariti, Lucilla Servi, Andrea Fabiani, Alessandra Filosa, Gabriele Mammana
INTRODUCTION: Testicular cancer is one of the most frequent in young men and its incidence is increasing in recent years because of incidental finding during routine ultrasound exams. Adenomatous hyperplasia of the rete testis is one of the benign and rare pathological types incidentally detected and very few cases are described in the literature. CASE REPORT: A 40 years old man come to our attention for a balanoposthitis without testicular pain. During andrological examination we performed palpation of the testes and we noticed a palpable nodule of hard consistency in the left testicle...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/27688662/clinicopathological-features-of-alpha-fetoprotein-producing-early-gastric-cancer-with-enteroblastic-differentiation
#17
Kohei Matsumoto, Hiroya Ueyama, Kenshi Matsumoto, Yoichi Akazawa, Hiroyuki Komori, Tsutomu Takeda, Takashi Murakami, Daisuke Asaoka, Mariko Hojo, Natsumi Tomita, Akihito Nagahara, Yoshiaki Kajiyama, Takashi Yao, Sumio Watanabe
AIM: To investigate clinicopathological features of early stage gastric cancer with enteroblastic differentiation (GCED). METHODS: We retrospectively investigated data on 6 cases of early stage GCED and 186 cases of early stage conventional gastric cancer (CGC: well or moderately differentiated adenocarcinoma) who underwent endoscopic submucosal dissection or endoscopic mucosal resection from September 2011 to February 2015 in our hospital. GCED was defined as a tumor having a primitive intestine-like structure composed of cuboidal or columnar cells with clear cytoplasm and immunohistochemical positivity for either alpha-fetoprotein, Glypican 3 or SALL4...
September 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27649330/facile-synthesis-of-cuprous-oxide-nanowires-decorated-graphene-oxide-nanosheets-nanocomposites-and-its-application-in-label-free-electrochemical-immunosensor
#18
Huan Wang, Yong Zhang, Yulan Wang, Hongmin Ma, Bin Du, Qin Wei
In this work, the assembly between one-dimensional (1D) nanomaterials and two-dimensional (2D) nanomaterials was achieved by a simple method. Cuprous oxide nanowires decorated graphene oxide nanosheets (Cu2O@GO) nanocomposites were synthesized for the first time by a simple electrostatic self-assembly process. The nanostructure was well confirmed by scanning electron microscope (SEM) and transmission electron microscope (TEM) images. Taking advantages of good electrocatalytic activity and high specific surface area of Cu2O@GO nanocomposites, a label-free electrochemical immunosensor was developed by employing Cu2O@GO as signal amplification platform for the quantitative detection of alpha fetoprotein (AFP)...
January 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27638840/clinical-response-of-a-patient-to-anti-pd-1-immunotherapy-and-the-immune-landscape-of-testicular-germ-cell-tumors
#19
Shalin Shah, James E Ward, Riyue Bao, Curtis R Hall, Bruce E Brockstein, Jason J Luke
Anti-Programed Death 1 (PD-1) is standard immunotherapy for multiple cancers, and the expression of one of its ligands, PD-L1, has been described in germ cell tumors (GCT). Neither the clinical activity of anti-PD-1 nor the incidence of an immunoresponsive tumor microenvironment has been described for GCTs. A patient initially diagnosed with melanoma via fine needle aspiration was treated with one dose of antibody to PD-1. A core needle biopsy was subsequently performed to acquire sufficient tissue for molecular analysis, which led to a change in diagnosis to metastatic embryonal carcinoma...
November 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27631210/a-case-report-of-targeted-therapy-with-apatinib-in-a-patient-with-advanced-gastric-cancer-and-high-serum-level-of-alpha-fetoprotein
#20
Xue-Ru Zhu, Mei-Ling Zhu, Qing Wang, Wen-Ji Xue, Yi-Wei Wang, Rui-Fen Wang, Si-Yu Chen, Lei-Zhen Zheng
BACKGROUND: Alpha-fetoprotein (AFP) is an important marker for hepatocellular carcinoma, and the detection of serum AFP is currently the principle method for the diagnosis of hepatocellular carcinoma. The prevalence of gastric cancer (GC) with high level of serum AFP is extremely rare, but has unique clinical features. CASE SUMMARY: We herein present a rare case with GC and high level of serum AFP. A 64-year-old Chinese female underwent gastrectomy was diagnosed as gastric adenocarcinoma and the pathological stage was T1bN0M0, IA...
September 2016: Medicine (Baltimore)
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