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https://www.readbyqxmd.com/read/27878117/gpc-3-in-hepatocellular-carcinoma-current-perspectives
#1
REVIEW
Yongle Wu, Hui Liu, Huiguo Ding
Glypican-3 (GPC3), a member of heparan sulfate proteoglycans, attaches to the cell membrane and is frequently observed to be elevated in hepatocellular carcinoma (HCC). However, GPC3 is not detected in normal liver tissues and benign liver lesions. Consequently, GPC3 is currently being used as a diagnostic biomarker and HCC-specific positron emission computed tomography probe to identify HCCs in normal liver tissues and benign liver lesions. The overexpression of GPC-3 in serum or liver tissue also predicts poor prognosis for HCC patients...
2016: Journal of Hepatocellular Carcinoma
https://www.readbyqxmd.com/read/27862961/identification-of-a-glypican-3-binding-peptide-for-in-vivo-non-invasive-human-hepatocellular-carcinoma-detection
#2
Zainen Qin, Jingjing Wang, Ye Wang, Guohao Wang, Xiangyu Wang, Zhiyang Zhou, Gang Liu, Shi Gao, Lei Zhu
Early and accurate detection of hepatocellular carcinoma (HCC) is essential to improve the prognosis of patients and reduce the morbidity of surgical therapy. Glypican-3 (GPC3) is a protein abnormally expressed in HCC that has been identified as a serological and histochemical HCC marker. A novel peptide that specifically recognizes GPC3 will facilitate early detection of HCC and guide the treatment strategy. Herein, phage display screening technology is utilized to obtain a GPC3 binding peptide (GBP) using HCC cells expressing GPC3 in varying abundances...
November 15, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27795482/advances-in-the-study-of-oncofetal-antigen-glypican-3-expression-in-hbv-related-hepatocellular-carcinoma
#3
Min Yao, Li Wang, Miao Fang, Wenjie Zheng, Zhizhen Dong, Dengfu Yao
Early specific diagnosis and effective treatment of hepatocellular carcinoma (HCC) are crucial. Expression of membrane-associated heparan sulfate proteoglycan glypican-3 (GPC-3) was recently found to increase as part of the malignant transformation of hepatocytes, and this increase is especially marked in patients with hepatitis B virus (HBV) infection, periportal cancerous embolus, or extra-hepatic metastasis. According to data from basic and clinical studies, the oncofetal antigen GPC-3 is a highly specific diagnostic biomarker of HCC and an indicator of its prognosis, and GPC-3 is also a promising target molecule for HCC gene therapy since it may play a crucial role in cell proliferation, metastasis, and invasion and it may mediate oncogenesis and oncogenic signaling pathways...
November 15, 2016: Bioscience Trends
https://www.readbyqxmd.com/read/27772845/mucinous-colorectal-adenocarcinoma-relation-of-glypican-3-and-e-cadherin-expressions-to-clinicopathological-features-and-prognosis
#4
Abd Al-Rahman Mohammad Foda, Mie Ali Mohammad, Azza Abdel-Aziz, Amira Kamal El-Hawary
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27765911/integrin-%C3%AE-2%C3%AE-1-inhibits-mst1-kinase-phosphorylation-and-activates-yes-associated-protein-oncogenic-signaling-in-hepatocellular-carcinoma
#5
Kwong-Fai Wong, Angela M Liu, Wanjin Hong, Zhi Xu, John M Luk
The Hippo pathway regulates the down-stream target Yes-associated protein (YAP) to maintain organ homeostasis, which is commonly inactivated in many types of cancers. However, how cell adhesion dysregulates the Hippo pathway activating YAP oncogene in hepatocellular carcinoma (HCC) remains unclear. Our findings demonstrate that α2β1 integrin (but not other β1 integrins) expressed in HCC cells, after binding to collagen extracellular matrix, could inhibit MST1 kinase phosphorylation and activate YAP pro-oncogenic activities...
October 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27758865/an-unbiased-mass-spectrometry-approach-identifies-glypican-3-as-an-interactor-of-proprotein-convertase-subtilisin-kexin-type-9-pcsk9-and-low-density-lipoprotein-receptor-ldlr-in-hepatocellular-carcinoma-cells
#6
Kévin Ly, Rachid Essalmani, Roxane Desjardins, Nabil G Seidah, Robert Day
The mechanism of LDL receptor (LDLR) degradation mediated by the proprotein convertase subtilisin/kexin type 9 (PCSK9) has been extensively studied; however, many steps within this process remain unclear and still require characterization. Recent studies have shown that PCSK9 lacking its Cys/His-rich domain can still promote LDLR internalization, but the complex does not reach the lysosome suggesting the presence of an additional interaction partner(s). In this study we carried out an unbiased screening approach to identify PCSK9-interacting proteins in the HepG2 cells' secretome using co-immunoprecipitation combined with mass spectrometry analyses...
November 18, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27741326/biochemical-and-molecular-evidences-for-the-antitumor-potential-of-ginkgo-biloba-leaves-extract-in-rodents
#7
Hanaa H Ahmed, Wafaa Gh Shousha, Hatem A El-Mezayen, Sayed A El-Toumy, Alaa H Sayed, Aesha R Ramadan
Hepatocellular carcinoma (HCC) is one of the deadliest primary cancers, with a 5-year survival rate of 10% or less. This study was undertaken to elucidate the underlying biochemical and molecular mechanisms in favor of N-nitrosodiethylamine-induced hepatocellular carcinoma. Furthermore, the aim of this work was extended to explore the efficacy of Ginkgo biloba leaves extract in deterioration of HCC in rats. In the current study, HCC group experienced significant downregulation of ING-3 gene expression and upregulation of Foxp-1 gene expression in liver...
October 14, 2016: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/27739211/simpson-golabi-behmel-syndrome-in-a-female-a-case-report-and-an-unsolved-issue
#8
Alessandro Vaisfeld, Maria Grazia Pomponi, Roberta Pietrobono, Elisabetta Tabolacci, Giovanni Neri
Simpson-Golabi-Behmel syndrome is an X-linked recessive overgrowth condition caused by alterations in GPC3 gene, encoding for the cell surface receptor glypican 3, whose clinical manifestations in affected males are well known. Conversely, there is little information regarding affected females, with very few reported cases, and a clinical definition of this phenotype is still lacking. In the present report we describe an additional case, the first to receive a primary molecular diagnosis based on strong clinical suspicion...
October 14, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27729630/glypican-3-level-assessed-by-the-enzyme-linked-immunosorbent-assay-is-inferior-to-alpha-fetoprotein-level-for-hepatocellular-carcinoma-diagnosis
#9
Yejoo Jeon, Eun Sun Jang, Yun Suk Choi, Jin-Wook Kim, Sook-Hyang Jeong
BACKGROUND/AIMS: Glypican-3 (GPC3) protein is highly expressed in hepatocellular carcinoma (HCC) tissue. It has been suggested as a diagnostic biomarker, but its inconsistent performance means that it requires further assessment. We therefore investigated the diagnostic value of the plasma GPC3 level compared to the alpha-fetoprotein (AFP) level as a diagnostic biomarker of HCC. METHODS: We enrolled 157 consecutive patients with newly diagnosed HCC and 156 patients with liver cirrhosis (LC) as the control group...
September 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/27692382/peroxidase-like-catalytic-activity-of-copper-ions-and-its-application-for-highly-sensitive-detection-of-glypican-3
#10
Aixian Zheng, Xiaolong Zhang, Ju Gao, Xiaolong Liu, Jingfeng Liu
Glypican-3 (GPC3) might be used as new biomarker of liver cancer for the development of new diagnostic methods. The most commonly used methods for protein detection are based on natural enzymes, which are easily affected by environmental conditions and suffer from the rigorous preparation conditions. Thus, the development of new enzyme mimetics with high and stable catalytic activity is of great significance in diagnostic applications. In this paper, copper ions (Cu(2+)) was found to possess the peroxidase-like catalytic activity, which can catalyze H2O2-mediated oxidation of peroxidase substrate and obtain the oxidation product with color change...
October 19, 2016: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27689616/glypican-3-and-krt19-are-markers-associating-with-metastasis-and-poor-prognosis-of-pancreatic-ductal-adenocarcinoma
#11
Hongliang Yao, Zhulin Yang, Ziru Liu, Xiongying Miao, Leping Yang, Daiqiang Li, Qiong Zou, Yuan Yuan
OBJECTIVE: Pancreatic ductal adenocarcinoma (PDAC) is a highly malignant tumor with metastasis in most patients at diagnosis. The molecular mechanisms associated with its high malignancy have not been fully elucidated. This study investigated the clinicopathological significances of GPC3 and KRT19 expression in PDAC. METHODS: GPC3, KRT19, and CA19-9 protein expression were measured by immunohistochemistry. RESULTS: GPC3 and KRT19 protein levels were overexpressed in PDAC tumors compared to normal pancreatic tissues, benign pancreatic tissues, and peritumoral tissues (P< 0...
September 22, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27688662/clinicopathological-features-of-alpha-fetoprotein-producing-early-gastric-cancer-with-enteroblastic-differentiation
#12
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/27669301/glypican-3-targeting-immunotoxins-for-the-treatment-of-liver-cancer
#13
REVIEW
Bryan D Fleming, Mitchell Ho
Hepatocellular carcinoma (HCC) is the most common form of primary liver cancer, yet no effective therapeutics exist. This review provides an overview of the recent development of recombinant immunotoxins for the treatment of glypican-3 (GPC3) expressing HCC. GPC3 is a cell surface heparan sulfate proteoglycan that is overexpressed in HCC, but is absent from normal adult human tissues. Treatment of HCC with anti-GPC3 immunotoxins represents a new therapeutic option. Using phage display and hybridoma technologies, three high affinity antibodies (HN3, HS20 and YP7) have been generated against GPC3...
2016: Toxins
https://www.readbyqxmd.com/read/27667400/humanization-of-high-affinity-antibodies-targeting-glypican-3-in-hepatocellular-carcinoma
#14
Yi-Fan Zhang, Mitchell Ho
Glypican-3 (GPC3) is a cell-surface heparan sulfate proteoglycan highly expressed in hepatocellular carcinoma (HCC). We have generated a group of high-affinity mouse monoclonal antibodies targeting GPC3. Here, we report the humanization and testing of these antibodies for clinical development. We compared the affinity and cytotoxicity of recombinant immunotoxins containing mouse single-chain variable regions fused with a Pseudomonas toxin. To humanize the mouse Fvs, we grafted the combined KABAT/IMGT complementarity determining regions (CDR) into a human IgG germline framework...
September 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27652373/sertoli-cell-tumour-in-a-neonate-calf-an-unusual-congenital-tumour-a-case-report
#15
Théophile Vissiennon, Markus Freick, Ergin Kilic, Thomas Schmidt, Sven Dänicke, Marion Schmicke, Eckard Schneider
Congenital testicular tumours are seldom reported in bovine species. This case report describes the clinical, sonographical, haematological, pathomorphological and immunohistological features of a Sertoli cell tumour in a neonatal German Holstein calf. Microscopically, the enlarged testicle was composed of neoplastic cells, which were packed in well-formed tubules. The mostly polygonal shaped cells had round to elongated nuclei and a scanty eosinophilic cytoplasm. Some cells were arranged perpendicularly to the light PAS-positive basement membrane...
September 21, 2016: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/27647326/glypican-3-distinguishes-aggressive-from-non-aggressive-odontogenic-tumors-a-preliminary-study
#16
Ramon Barreto Mendes, Rosane Borges Dias, Andreia Leal Figueiredo, Clarissa Araújo Gurgel, Manoel Santana Filho, Leonardo Araújo Melo, Marília Trierveiler, Patrícia Ramos Cury, Rosalia Leonardi, Jean Nunes Dos Santos
BACKGROUND: Glypican-3 is a cell surface proteoglycan that is found in embrionary tissues, and there are no studies investigating this protein in odontogenic tumor. Thus, the aim of this study was to investigate glypican-3 in a series of aggressive and non-aggressive odontogenic tumors. METHODS: Fifty-nine cases of tumors were divided into aggressive odontogenic tumors (20 solid ameloblastomas, four unicystic ameloblastoma, 28 KOTs including five associated with Gorlin-Goltz syndrome) and non-aggressive odontogenic tumors (five adenomatoid odontogenic tumors and two calcifying cystic odontogenic tumors) and analyzed for glypican-3 using immunohistochemistry...
September 20, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27643524/primary-mediastinal-yolk-sac-tumors-an-immunohistochemical-analysis-of-14-cases
#17
Annikka Weissferdt, Neda Kalhor, Jaime Rodriguez Canales, Junya Fujimoto, Ignacio I Wistuba, Cesar A Moran
Primary mediastinal germ cell tumors are uncommon tumors that can pose diagnostic difficulties due to their morphologic spectrum and unusual site. Immunohistochemistry plays an increasing role in the diagnosis of these tumors. Whereas the immunophenotype of testicular yolk sac tumors (YST) is rather well known, the opposite is true for primary mediastinal YST leading us to investigate the immunohistochemical features of 14 such neoplasms. Fourteen cases of primary mediastinal YST were reviewed and representative whole tissue sections were selected for immunohistochemical analysis using antibodies directed against CAM5...
September 16, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27633306/effect-of-co-transfection-of-mir-520c-3p-and-mir-132-on-proliferation-and-apoptosis-of-hepatocellular-carcinoma-huh7
#18
Chang-Jiang Lei, Chun Yao, De-Ke Li, Zhi-Xiong Long, Yuan Li, Dan Tao, Yan-Ping Liou, Jiang-Zhou Zhang, Ning Liu
OBJECTIVE: To investigate the effects of co-transfection of miR-520c-3p and miR-132 on proliferation and apoptosis of hepatocellular carcinoma Huh7. METHODS: Hepatocellular carcinoma Huh7 was cultured in vitro and lipidosome was used to transfect miR-520c-3p and miR-132, respectively or together. The effects of transfection of miR-520c-3p and miR-132 on proliferation and apoptosis of Huh7 were detected by CCK8 and Annexin V staining and flow cytometry, and the expression level of the targeted gene of over-expressed miR-520c-3p and miR-132 was determined by Western blot and realtime PCR...
September 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27631522/yolk-sac-tumor-in-extragonadal-pelvic-sites-still-a-diagnostic-challenge
#19
Sanjita Ravishankar, Anais Malpica, Preetha Ramalingam, Elizabeth D Euscher
We present the clinicopathologic features of 15 cases of extragonadal yolk sac tumor (EGYST) detected in female patients and reviewed at our institution from 1988 to 2016. We recorded: patient age, clinical presentation, tumor location, FIGO stage (where applicable), histologic patterns including presence/absence of Schiller-Duval bodies, other germ cell or somatic components, immunoperoxidase results, treatment, and outcome. Patients' ages ranged from 17 to 87 (median, 62) years and presentation included: abnormal uterine bleeding, 12; hematuria, 1; labial mass, 1; abdominal pain, 1...
September 14, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27601357/aptamers-against-cells-overexpressing-glypican%C3%A2-3-from-expanded-genetic-systems-combined-with-cell-engineering-and-laboratory-evolution
#20
Liqin Zhang, Zunyi Yang, Thu Le Trinh, I-Ting Teng, Sai Wang, Kevin M Bradley, Shuichi Hoshika, Qunfeng Wu, Sena Cansiz, Diane J Rowold, Christopher McLendon, Myong-Sang Kim, Yuan Wu, Cheng Cui, Yuan Liu, Weijia Hou, Kimberly Stewart, Shuo Wan, Chen Liu, Steven A Benner, Weihong Tan
Laboratory in vitro evolution (LIVE) might deliver DNA aptamers that bind proteins expressed on the surface of cells. In this work, we used cell engineering to place glypican 3 (GPC3), a possible marker for liver cancer theranostics, on the surface of a liver cell line. Libraries were then built from a six-letter genetic alphabet containing the standard nucleobases and two added nucleobases (2-amino-8H-imidazo[1,2-a][1,3,5]triazin-4-one and 6-amino-5-nitropyridin-2-one), Watson-Crick complements from an artificially expanded genetic information system (AEGIS)...
September 26, 2016: Angewandte Chemie
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