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glypican-3

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https://www.readbyqxmd.com/read/29305518/her2-is-frequently-overexpressed-in-hepatoid-adenocarcinoma-and-gastric-carcinoma-with-enteroblastic-differentiation-a-comparison-of-35-cases-to-334-gastric-carcinomas-of-other-histological-types
#1
Masakazu Fujimoto, Ibu Matsuzaki, Masaru Nishino, Yoshifumi Iwahashi, Kenji Warigaya, Fumiyoshi Kojima, Kazuo Ono, Shin-Ichi Murata
AIMS: α-Fetoprotein (AFP)-producing gastric carcinoma (AFPGC) is one of the most aggressive GC subtypes. Frequent expression of human epidermal growth factor receptor 2 (HER2) has previously been reported in hepatoid adenocarcinoma (HAC), a major histological subtype of AFPGC originating from common-type GC (CGC). However, HER2 expression levels in other AFPGC histological subtypes are unknown. In this study, we analysed HER2 expression in GCs with primitive phenotypes in addition to HAC...
January 5, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29285841/cancer-immunotherapy-targeted-glypican-3-or-neoantigens
#2
REVIEW
Yasuhiro Shimizu, Toshihiro Suzuki, Toshiaki Yoshikawa, Nobuhiro Tsuchiya, Yu Sawada, Itaru Endo, Tetsuya Nakatsura
Immune checkpoint inhibitors have ushered a new era in cancer therapy, although other therapies or combinations thereof are still needed for the many patients for whom these drugs are ineffective. In this light, we have identified in glypican-3 an HLA-24, HLA-A2 restriction peptide with extreme cancer specificity. In this paper, we summarize results from a number of related clinical trials demonstrating that glypican-3 peptide vaccines induce specific cytotoxic T lymphocytes in most patients (UMIN Clinical Trials Registry: UMIN000001395, UMIN000005093, UMIN000002614, UMN000003696, UMIN000006357,)...
December 29, 2017: Cancer Science
https://www.readbyqxmd.com/read/29277631/a-proteomic-clock-of-human-pregnancy
#3
Nima Aghaeepour, Benoit Lehallier, Quentin Baca, Ed A Ganio, Ronald J Wong, Mohammad S Ghaemi, Anthony Culos, Yasser Y El-Sayed, Yair J Blumenfeld, Maurice L Druzin, Virginia D Winn, Ronald S Gibbs, Rob Tibshirani, Gary M Shaw, David K Stevenson, Brice Gaudilliere, Martin S Angst
BACKGROUND: Early detection of maladaptive processes underlying pregnancy-related pathologies is desirable, as it will enable targeted interventions ahead of clinical manifestations. The quantitative analysis of plasma proteins features prominently among molecular approaches used to detect deviations from normal pregnancy. However, derivation of proteomic signatures sufficiently predictive of pregnancy-related outcomes has been challenging. An important obstacle hindering such efforts were limitations in assay technology, which prevented the broad examination of the plasma proteome...
December 22, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29259231/a-novel-cell-line-based-orthotopic-xenograft-mouse-model-that-recapitulates-human-hepatoblastoma
#4
Sarah E Woodfield, Yan Shi, Roma H Patel, Jingling Jin, Angela Major, Stephen F Sarabia, Zbigniew Starosolski, Barry Zorman, Siddharth S Gupta, Zhenghu Chen, Aryana M Ibarra, Karl-Dimiter Bissig, Ketan B Ghaghada, Pavel Sumazin, Dolores López-Terrada, Sanjeev A Vasudevan
Currently, preclinical testing of therapies for hepatoblastoma (HB) is limited to subcutaneous and intrasplenic xenograft models that do not recapitulate the hepatic tumors seen in patients. We hypothesized that injection of HB cell lines into the livers of mice would result in liver tumors that resemble their clinical counterparts. HepG2 and Huh-6 HB cell lines were injected, and tumor growth was monitored with bioluminescence imaging (BLI) and magnetic resonance imaging (MRI). Levels of human α-fetoprotein (AFP) were monitored in the serum of animals...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29226636/the-value-of-gpc3-and-gp73-in-clinical-diagnosis-of-hepatocellular-carcinoma
#5
Ji-Sheng Jing, Wei Ye, Ying-Kui Jiang, Jie Ma, Meng-Qi Zhu, Jiu-Ming Ma, Hua Zhou, La-Qing Yu, Yong-Feng Yang, Shun-Cai Wang
BACKGROUND: The incidence of hepatocellular carcinoma (HCC) has increased over the past decades in China. Current screening methods of HCC such as detection of α-fetoprotein (AFP) combined with liver ultrasonography remain unsatisfactory. Many HCC patients have already missed the optimal treatment period when diagnosed. Our study aimed to evaluate the value of Glypican 3 (GPC3) and Golgi protein 73 (GP73) in the detection of HCC. METHODS: Thirty-nine patients with HCC and 31 patients with liver cirrhosis were enrolled...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29204978/role-of-glypican-3-in-the-growth-migration-and-invasion-of-primary-hepatocytes-isolated-from-patients-with-hepatocellular-carcinoma
#6
Mauro Montalbano, Cristiana Rastellini, Joshua T McGuire, Janika Prajapati, Ali Shirafkan, Renza Vento, Luca Cicalese
BACKGROUND: Recently, Glypican-3 (GPC3) has been identified as a potential hepatocellular carcinoma (HCC) diagnostic and/or therapeutic target. GPC3 has been found to be up-regulated in HCC and to be absent in normal and cirrhotic liver. As yet, however, the molecular characteristics of GPC3 and its role in HCC cell physiology and development are still undefined. METHODS: Human hepatocyte cultures were established from 10 HCC patients. Additional liver samples were obtained from 5 patients without cirrhosis and/or HCC...
December 4, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29204748/imaging-the-expression-of-glypican-3-in-hepatocellular-carcinoma-by-pet
#7
Zhen Wang, Yan-Jiang Han, Shun Huang, Meng Wang, Wen-Lan Zhou, Hong-Sheng Li, Quan-Shi Wang, Hu-Bing Wu
The glypican-3 (GPC3) receptor is overexpressed in hepatocellular carcinoma (HCC) and is a potential diagnostic and therapeutic target. GPC3-targeted molecular imaging will be helpful to differentiate diagnosis and guide therapy. In the present study, we will develop a novel PET probe for imaging the expression of GPC-3. L5 (sequence: RLNVGGTYFLTTRQ), a GPC3 targeting peptide, was labeled with 5-carboxyfluorescein (FAM) and 18F-fluoride. Cell binding tests were performed to identify the binding specificity of FAM-L5 and 18F radiolabeled peptide...
December 4, 2017: Amino Acids
https://www.readbyqxmd.com/read/29203107/glypican-3-specific-cytotoxic-t-lymphocytes-induced-by-human-leucocyte-antigen-a-0201-restricted-peptide-effectively-kill-hepatocellular-carcinoma-cells-in%C3%A2-vitro
#8
Jiang-Zheng Zeng, Yu Liu, Fen Huang, Zhi-Hui He, Huamao Sun, Yan-Da Lu, Jun-Hua Lei, Rong-Cheng Luo
OBJECTIVE: To investigate potential human leucocyte antigen (HLA)-A2-restricted epitope peptides of glypican-3 (GPC3) and determine the cytotoxicity of peptide-specific cytotoxic T lymphocytes (CTLs) against hepatocellular carcinoma (HCC) cells. METHODS: The potential HLA-A*0201-restricted GPC3 peptides were screened using computer algorithms, T2 cell-binding affinity and stability of peptide/HLA-A*0201 complex assay. The peptide-specific CTLs were generated and their cytotoxicity against GPC3+ SMMC 7721 and HepG2 cells was detected using IFN-γ based enzyme-linked immunospot and lactate dehydrogenase release assays in vitro...
November 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29168748/variety-and-dynamics-of-proteoforms-in-the-human-proteome-aspects-of-markers-for-hepatocellular-carcinoma
#9
Stanislav Naryzhny, Victor Zgoda, Artur Kopylov, Elena Petrenko, Olga Kleist, Аlexander Archakov
We have previously developed an approach, where two-dimensional gel electrophoresis (2DE) was used, followed by sectional analysis of the whole gel using high-resolution nano-liquid chromatography-mass spectrometry (ESI LC-MS/MS). In this study, we applied this approach on the panoramic analysis of proteins and their proteoforms from normal (liver) and cancer (HepG2) cells. This allowed us to detect, in a single proteome, about 20,000 proteoforms coded by more than 4000 genes. A set of 3D-graphs showing distribution of these proteoforms in 2DE maps (profiles) was generated...
November 23, 2017: Proteomes
https://www.readbyqxmd.com/read/29166820/sinonasal-smarcb1-ini1-deficient-carcinoma-with-yolk-sac-tumor-differentiation-report-of-a-case-and-comparison-with-ini1-expression-in-gonadal-germ-cell-tumors
#10
Michal Zamecnik, Jiri Rychnovsky, Jakub Syrovatka
SMARCB1 (INI1) deficient sinonasal carcinoma is a recently recognized entity with wide histomorphologic spectrum. We present a case of this carcinoma that contained, in addition to a "common" morphology, scattered foci of yolk sac tumor differentiation. The tumor occurred in paranasal sinuses in a 44-year-old woman. Immunohistochemically, it was diffusely negative for INI1, whereas an expression of yolk sac tumor markers (α-fetoprotein, glypican-3, CDX2) was limited to the yolk sac tumor component. For comparison with the present case, we performed INI1 immunostaining on a series of 11 gonadal germ cell tumors with yolk sac tumor differentiation...
November 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29152084/the-stromal-morphological-changes-for-differential-diagnosis-of-uninodular-high-grade-dysplastic-nodule-and-well-differentiated-small-hepatocellular-carcinoma
#11
Long-Hai Feng, Han Wang, Hui Dong, Yu-Yao Zhu, Wen-Ming Cong
Aim: The stromal invasion has been regarded as the most valuable clue to distinguish high-grade dysplastic nodules (HGDNs) and well-differentiated small hepatocellular carcinomas (WD-SHCCs). The purposes of this study are to explore the stromal morphological changes for the differential diagnosis of these two equivocal lesions. Results: Based on the systemic studies of histological characteristics of HGDNs and WD-SHCCs, the stromal morphological changes, including sinusoid capillarization, ductular reaction and solitary artery, were performed to make a differential diagnosis between them...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29123959/immunological-efficacy-of-glypican-3-peptide-vaccine-in-patients-with-advanced-hepatocellular-carcinoma
#12
Nobuhiro Tsuchiya, Toshiaki Yoshikawa, Norihiro Fujinami, Keigo Saito, Shoichi Mizuno, Yu Sawada, Itaru Endo, Tetsuya Nakatsura
We have previously conducted a phase I trial to test the efficacy of a glypican-3 (GPC3) peptide vaccine in patients with advanced hepatocellular carcinoma (HCC); however, its immunological mechanism of action remains unclear. Here, we report a pilot study conducted to evaluate the immunological mechanisms of action of this GPC3 peptide vaccine (UMIN-CTR number 000005093). Eleven patients with advanced HCC were vaccinated with the GPC3 peptide in this trial. The primary end point was GPC3 peptide-specific immune response induced by the GPC3 peptide vaccination...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29118993/cellular-characteristics-of-keratin-19-positive-canine-hepatocellular-tumours-explain-its-aggressive-behaviour
#13
Renee G van Sprundel, Ted Sgam van den Ingh, Baukje A Schotanus, Monique E van Wolferen, Louis C Penning, Jan Rothuizen, Bart Spee
The expression of the hepatic progenitor cell marker keratin 19 (K19) in canine hepatocellular carcinomas is linked with a poor prognosis. To better understand this aggressive behaviour, K19-positive hepatocellular carcinomas (n=5) and K19-negative hepatocellular adenomas (n=6) were immunohistochemically stained for proteins involved in malignant tumour development. The K19-positive carcinomas showed marked positivity for platelet-derived growth factor receptor alpha polypeptide (PDGFRα), laminin, integrin beta-1/CD29, B-cell-specific Moloney murine leukaemia virus Integration site 1, glypican-3 (GPC-3) and prominin-1/CD133, in contrast with K19-negative hepatocellular adenomas...
2017: Veterinary Record Open
https://www.readbyqxmd.com/read/29113314/glypican-3-induces-oncogenicity-by-preventing-igf-1r-degradation-a-process-that-can-be-blocked-by-grb10
#14
Wei Cheng, Po-Chun Huang, Hsiao-Mei Chao, Yung-Ming Jeng, Hey-Chi Hsu, Hung-Wei Pan, Wuh-Liang Hwu, Yu-May Lee
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a major cause of cancer-related death worldwide. Previously, we demonstrated that glypican-3 (GPC3) is highly expressed in HCC, and that GPC3 induces oncogenicity and promotes the growth of cancer cells through IGF-1 receptor (IGF-1R). In the present study, we investigated the mechanisms of GPC3-mediated enhancement of IGF-1R signaling. We demonstrated that GPC3 decreased IGF-1-induced IGF-1R ubiquitination and degradation and increased c-Myc protein levels...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29106744/germ-cell-tumor-growth-patterns-originating-from-clear-cell-carcinomas-of-the-ovary-and-endometrium-a-comparative-immunohistochemical-study-favouring-their-origin-from-somatic-stem-cells
#15
F F Nogales, J Prat, M Schuldt, N Cruz-Viruel, B Kau, E D'Angelo, X Matias-Guiu, A Vidal, W G McCluggage, J W Oosterhuis
AIMS: To report a series of 11 ovarian and one endometrial neoplasm in elderly patients with mixed clear cell tumour and germ cell tumour (GCT) components, to compare their immunohistochemical and demonstrate a putative stem cell population. METHODS AND RESULTS: The clear cell tumours included 11 clear cell carcinomas (CCC) and 1 borderline clear cell tumour, while the GCT always included glandular yolk sac tumour (YST). In 4 cases, there were also foci of teratoma with immature neuroepithelial and endodermal tissues, and undifferentiated areas showing true embryoids...
November 6, 2017: Histopathology
https://www.readbyqxmd.com/read/29097878/high-grade-myofibroblastic-sarcoma-in-the-liver-a-case-report
#16
Jun Wen, Wei Zhao, Chuan Li, Jun-Yi Shen, Tian-Fu Wen
Only two cases of myofibroblastic sarcoma in the liver have been reported in the literature. Here, we report the case of a male patient with high-grade myofibroblastic sarcoma mimicking echinococcosis in the liver. The 25-year-old male patient complained of right upper quadrant swelling pain for one week and was initially diagnosed with echinococcosis. He was then scheduled for an exploratory laparotomy. During the operation, a huge mass exceeding 16 cm in diameter was found to occupy nearly the entire right trisegment of the liver, with a clear boundary and a round shape, and the mass was resected by right hepatic trisegmentectomy...
October 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29077109/a-novel-rapid-and-sensitive-homogeneous-sandwich-detection-method-of-glypican-3-as-a-serum-marker-for-hepatocellular-carcinoma
#17
Naihan Han, Wenshuang Wang, Danrong Lu, Han Wang, Xinying Ma, Xiaopeng Fan, Fuchuan Li
Based on multiple interactions and fluorescence quenching, we report a novel homogeneous detection method for Glypican-3 which shows a series of significant advantages, including low cost, ease of preparation, rapid response, and high sensitivity and has great potential in the clinical diagnosis of hepatocellular carcinoma and proteoglycan detection.
October 27, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29073605/n-cadherin-maintains-the-healthy-biology-of-nucleus-pulposus-cells-under-high-magnitude-compression
#18
Zhenyu Wang, Jiali Leng, Yuguang Zhao, Dehai Yu, Feng Xu, Qingxu Song, Zhigang Qu, Xinming Zhuang, Yi Liu
BACKGROUND/AIMS: Mechanical load can regulate disc nucleus pulposus (NP) biology in terms of cell viability, matrix homeostasis and cell phenotype. N-cadherin (N-CDH) is a molecular marker of NP cells. This study investigated the role of N-CDH in maintaining NP cell phenotype, NP matrix synthesis and NP cell viability under high-magnitude compression. METHODS: Rat NP cells seeded on scaffolds were perfusion-cultured using a self-developed perfusion bioreactor for 5 days...
October 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29065111/identification-of-a-specific-peptide-binding-to-colon-cancer-cells-from-a-phage-displayed-peptide-library
#19
Lidan Hou, Danxi Zhu, Yu Liang, Xiaohui Tian, Lei Li, Ping Wang, Liming Zhu, Xiaoling Weng, Yingying Wang, Yue Li, Tianqi Wu, Jianhua Wang, Xiangjun Meng
BACKGROUND: New molecular probes are essential for early colon cancer diagnosis. A phage-display screening was performed to select novel binding peptides for early colon cancer imaging detection. METHODS: A human colon cancer cell line (COLO320HSR) and a normal human intestinal epithelial cell line (NCM460) were used for subtractive screening with a phage peptide library. The positive peptides were identified, and their binding capacities were confirmed by confocal immunofluorescence both in human colon cancer cells and in biopsy specimens...
October 24, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29059470/banf1-plod3-sf3b4-as-early-stage-cancer-decision-markers-and-drivers-of-hepatocellular-carcinoma
#20
Qingyu Shen, Jung Woo Eun, Kyungbun Lee, Hyung Seok Kim, Hee Doo Yang, Sang Yean Kim, Eun Kyung Lee, Taemook Kim, Keunsoo Kang, Seongchan Kim, Dal-Hee Min, Soon-Nam Oh, Young-Joon Lee, Hyuk Moon, Simon Weonsang Ro, Won Sang Park, Jung Young Lee, Suk Woo Nam
An accurate tool enabling early diagnosis of hepatocellular carcinoma (HCC) is clinically important, since early detection of HCC markedly improves survival. We aimed to investigate the molecular markers underlying early progression of HCC that can be detected in precancerous lesions. We designed a gene selection strategy to identify potential driver genes by integrative analysis of transcriptome and clinicopathologic data of human multi-stage HCC tissues including precancerous lesions, low- and high-grade dysplastic nodules...
October 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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