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https://www.readbyqxmd.com/read/28087980/the-significance-of-glypican-3-expression-profiling-in-the-tumor-cellular-origin-theoretical-system-for-hepatocellular-carcinoma-progression
#1
Ran Xue, Jiliang Feng, Qinghua Meng, Fudong Lv, Yueke Zhu, Hongwei Yu, Shijie Zhang, Chenzhao Song, Lin Sun, Zhujun Yue, Shuai Feng, Ruiwen Che, Qian Xiang, Xiaodan Jing
AIMS: Glypican-3(GPC3) expression is correlated with poor prognosis and progression in hepatocellular carcinoma (HCC). HCC progression can be associated with the differentiation status of tumor cell before malignant transformation. Our aim was to investigate the dynamic expression of GPC3 during tumor cells differentiation and to explore the role and theoretical significance of GPC3 in malignant essence of HCC. METHODS: The expressions of tissue GPC3 and alpha-fetoprotein (AFP) were detected by immunohistochemical staining...
January 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28035433/development-of-t-cells-carrying-two-complementary-chimeric-antigen-receptors-against-glypican-3-and-asialoglycoprotein-receptor-1-for-the-treatment-of-hepatocellular-carcinoma
#2
Cheng Chen, Kesang Li, Hua Jiang, Fei Song, Huiping Gao, Xiaorong Pan, Bizhi Shi, Yanyu Bi, Huamao Wang, Hongyang Wang, Zonghai Li
Adoptive immunotherapy leveraging chimeric antigen receptor-modified T (CAR-T) cells holds great promise for the treatment of cancer. However, tumor-associated antigens often have low expression levels in normal tissues, which can cause on-target, off-tumor toxicity. Recently, we reported that GPC3-targeted CAR-T cells could eradicate hepatocellular carcinoma (HCC) xenografts in mice. However, it remains unknown whether on-target, off-tumor toxicity can occur. Therefore, we proposed that dual-targeted CAR-T cells co-expressing glypican-3 (GPC3) and asialoglycoprotein receptor 1 (ASGR1) (a liver tissue-specific protein)-targeted CARs featuring CD3ζ and 28BB (containing both CD28 and 4-1BB signaling domains), respectively, may have reduced on-target, off-tumor toxicity...
December 29, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28035063/perioperative-plasma-glypican-3-level-may-enable-prediction-of-the-risk-of-recurrence-after-surgery-in-patients-with-stage-i-hepatocellular-carcinoma
#3
Kazuya Ofuji, Keigo Saito, Shiro Suzuki, Manami Shimomura, Hirofumi Shirakawa, Daisuke Nobuoka, Yu Sawada, Mayuko Yoshimura, Nobuhiro Tsuchiya, Mari Takahashi, Toshiaki Yoshikawa, Yoshitaka Tada, Masaru Konishi, Shinichiro Takahashi, Naoto Gotohda, Yasunari Nakamoto, Tetsuya Nakatsura
Glypican-3 (GPC3) is a glycosylphosphatidylinositol-anchored cell surface protein overexpressed in hepatocellular carcinoma(HCC), and its overexpression is associated with poor prognosis. The diagnostic potential of GPC3 as a serum marker has been reported. In the present study, we evaluated the usefulness of plasma GPC3 as a predictor for recurrence after surgical resection in stage I HCC patients by newly developed an enzyme-linked immunosorbent assay (ELISA) system. Current study demonstrated that high levels of preoperative plasma GPC3 patients tended to experience postoperative recurrence...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28028292/glypican-3-is-useful-but-not-superior-to-hep-par-1-in-differentiating-hepatocellular-carcinoma-from-other-liver-tumours
#4
A M Pour, N Masir, I M Rose
To assess the diagnostic utility of glypican-3 (GPC-3) in comparison to Hep Par 1 in the diagnosis of liver tumours, a cross-sectional study involving 66 resected liver tumours were tested for the protein expression of these markers by immunohistochemistry using monoclonal antibodies. Of the 66 cases, 26 (39.4%) were hepatocellular carcinoma (HCC), 4 (6.1%) were intrahepatic cholangiocarcinoma and 36 (54.5%) were metastatic tumours. Hep Par 1 and GPC-3 expressions in HCC were 24/26 (92.3%) and 19/26 (73.1%) respectively...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/27999758/efficacy-of-glypican-3-derived-peptide-vaccine-therapy-on-the-survival-of-patients-with-refractory-ovarian-clear-cell-carcinoma
#5
Shiro Suzuki, Jun Sakata, Fumi Utsumi, Ryuichiro Sekiya, Hiroaki Kajiyama, Kiyosumi Shibata, Fumitaka Kikkawa, Tetsuya Nakatsura
Compared with other epithelial ovarian carcinoma subtypes, ovarian clear cell carcinoma (OCCC) has been recognized to show chemoresistance. Therefore, new treatment modalities are required for patients with OCCC that is refractory to chemotherapy. The carcinoembryonic antigen glypican-3 (GPC3) is expressed by approximately half of OCCC and is a promising immunotherapeutic target. The purpose of this study was to evaluate the effect of GPC3 peptide vaccine against refractory OCCC patients. We conducted a phase II trial with a GPC3-derived peptide vaccine in OCCC patients...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27955748/influence-of-bioactive-sulfated-polysaccharide-protein-complexes-on-hepatocarcinogenesis-angiogenesis-and-immunomodulatory-activities
#6
Azza A Matloub, Hadeer A Aglan, Sahar Salah Mohamed El Souda, Mona Elsayed Aboutabl, Amany Sayed Maghraby, Hanaa H Ahmed
OBJECTIVE: To explore the in vivo anticancer, anti-angiogenesis and immunomodulatory efficacies of the bioactive polysaccharide isolated from cold aqueous extract of Jania rubens (JCEM) and Pterocladia capillacea (PCEM) as well as hot aqueous extract of Enteromorpha intestinalis (EHEM) against hepatocellular carcinoma rat model (HCC) and to study their chemical composition. METHODS: The sugars and amino acids composition of the bioactive polysaccharides of JCEM, PCEM and EHEM were determined using gas liquid chromatography and amino acid analyzer, respectively...
December 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27878117/gpc-3-in-hepatocellular-carcinoma-current-perspectives
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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...
January 2017: 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
#15
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
#16
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
#17
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
#18
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
#19
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...
September 22, 2016: Toxins
https://www.readbyqxmd.com/read/27667400/humanization-of-high-affinity-antibodies-targeting-glypican-3-in-hepatocellular-carcinoma
#20
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
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