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https://www.readbyqxmd.com/read/28621802/glypican-3-a-promising-biomarker-for-hepatocellular-carcinoma-diagnosis-and-treatment
#1
REVIEW
Fubo Zhou, Wenting Shang, Xiaoling Yu, Jie Tian
Liver cancer is the second leading cause of cancer-related deaths, and hepatocellular carcinoma (HCC) is the most common type. Therefore, molecular targets are urgently required for the early detection of HCC and the development of novel therapeutic approaches. Glypican-3 (GPC3), an oncofetal proteoglycan anchored to the cell membrane, is normally detected in the fetal liver but not in the healthy adult liver. However, in HCC patients, GPC3 is overexpressed at both the gene and protein levels, and its expression predicts a poor prognosis...
June 16, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28618930/gallic-acid-against-hepatocellular-carcinoma-an-integrated-scheme-of-the-potential-mechanisms-of-action-from-in-vivo-study
#2
Hadeer A Aglan, Hanaa H Ahmed, Sayed A El-Toumy, Nadia S Mahmoud
The global burden of hepatocellular carcinoma is increasing; actually, it is estimated as 750,000 new cases annually. This study was initiated to emphasize the possibility that gallic acid could alleviate hepatocarcinogenesis in vivo. In this study, 40 rats were enrolled and distributed as follows; group 1 was set as negative control, while all of groups 2, 3, and 4 were orally received N-nitrosodiethylamine for hepatocellular carcinoma induction. Group 2 was left untreated, whereas groups 3 and 4 were orally treated with gallic acid and doxorubicin, respectively...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28617891/esophageal-adenocarcinoma-with-enteroblastic-differentiation-arising-in-ectopic-gastric-mucosa-in-the-cervical-esophagus-a-case-report-and-literature-review
#3
Ryosuke Gushima, Rei Narita, Takashi Shono, Hideaki Naoe, Takashi Yao, Yutaka Sasaki
BACKGROUND: Adenocarcinoma with enteroblastic differentiation is a subtype of alpha-fetoprotein (AFP) producing adenocarcinoma. This type of tumor is associated with a poor prognosis and is prone to metastasize. Esophageal adenocarcinoma with enteroblastic differentiation is extremely rare. CASE PRESENTATION: The patient was a 65-year-old woman who was referred to our hospital with dysphagia. Endoscopic examination revealed an elevated lesion 20mm in diameter at 17cm from the upper incisors...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28616017/inhibition-and-enhancement-of-neural-regeneration-by-chondroitin-sulfate-proteoglycans
#4
REVIEW
Heikki Rauvala, Mikhail Paveliev, Juha Kuja-Panula, Natalia Kulesskaya
The current dogma in neural regeneration research implies that chondroitin sulfate proteoglycans (CSPGs) inhibit plasticity and regeneration in the adult central nervous system (CNS). We argue that the role of the CSPGs can be reversed from inhibition to activation by developmentally expressed CSPG-binding factors. Heparin-binding growth-associated molecule (HB-GAM; also designated as pleiotrophin) has been studied as a candidate molecule that might modulate the role of CSPG matrices in plasticity and regeneration...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28603942/primary-hepatic-choriocarcinoma-in-an-83-year-old-woman
#5
Akihiko Fukagawa, Naoto Fujita, Kenji Ohira, Hajime Fujimoto, Nobuaki Goto, Akinori Nozawa
We present a case of primary hepatic choriocarcinoma in an 83-year-old Japanese woman with gastric wall and lymph node metastases and a splenic vein tumor thrombus. Multiple irregular hepatic tumors with massive necrosis and hemorrhage were observed during autopsy. Syncytiotrophoblast-like and mononucleated cytotrophoblast-like cell morphology with focal hepatocellular carcinoma (HCC)-like trabecular structures was observed. In immunohistochemical analyses, the tumor cells expressed human chorionic gonadotropin (hCG) and cytokeratins (AE1/AE3, CK7, CK19) but were negative for alpha-fetoprotein (AFP), glypican-3, and vimentin...
June 11, 2017: Pathology International
https://www.readbyqxmd.com/read/28602885/high-expression-of-glypican-1-predicts-dissemination-and-poor-prognosis-in-glioblastomas
#6
Taiichi Saito, Kazuhiko Sugiyama, Seiji Hama, Fumiyuki Yamasaki, Takeshi Takayasu, Ryo Nosaka, Shumpei Onishi, Yoshihiro Muragaki, Takakazu Kawamata, Kaoru Kurisu
OBJECTIVE: Glioblastoma (GBM) relapses locally or in a disseminated pattern, and is highly resistant to chemo-radiotherapy. Although dissemination is associated with poor prognosis for GBM patients, the clinico-pathological factors that promote dissemination have not been elucidated. Glypican-1 (GPC-1) is a heparin sulfate proteoglycan that is attached to the extracytoplasmic surface of the cell membrane and regulates cell motility. The aim of this study was to determine whether GPC-1 expression correlated with GBM dissemination and patient prognosis...
June 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28600484/perinatal-case-of-fatal-simpson-golabi-behmel-syndrome-with-hyperplasia-of-seminiferous-tubules
#7
Nives Zimmermann, Jerzy Stanek
BACKGROUND Simpson-Golabi-Behmel syndrome (SGBS) is a rare X-linked recessive syndrome characterized by fetal overgrowth. CASE REPORT We present a case of a male infant with SGBS. Abnormal prenatal ultrasound (including congenital diaphragmatic hernia) prompted microarray testing of amniotic fluid cells, which showed deletion on chromosome Xq26.2 affecting the glypican-3 gene consistent with SGBS type I. The infant died six hours after birth and at autopsy showed features of SGBS, including macrosomia, organomegaly, diaphragmatic hernia with consequent pulmonary hypoplasia, cleft palate, large tongue with a midline groove, a supernumerary nipple, Meckel's diverticulum, and abnormal phalanges...
June 10, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28582340/a-report-of-ovarian-sertoli-leydig-cell-tumors-with-heterologous-intestinal-type-glands-and-alpha-fetoprotein-elevation-and-review-of-the-literature
#8
Maysa Al-Hussaini, Yazan Al-Othman, Eman Hijazi, W Glenn McCluggage
Ovarian Sertoli-Leydig cell tumors (SLCTs) are uncommon neoplasms that are occasionally associated with an elevated level of serum alpha fetoprotein (AFP), a marker of germ cell neoplasms, particularly yolk sac tumor (YST). We report 7 cases of ovarian SLCT (3 moderately differentiated, 2 poorly differentiated, 2 retiform) with heterologous intestinal-type glands, 6 of which were associated with elevated serum AFP. The intestinal-type mucinous glands were immunoreactive for SALL4 (4 cases), AFP (4 cases), glypican 3 (1 case), CDX2 (6 cases), and villin (7 cases), markers that are commonly expressed in YSTs, although the latter 2 markers would be expected to be positive in intestinal-type glands...
June 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28581124/zbtb16-is-a-sensitive-and-specific-marker-in-detection-of-metastatic-and-extragonadal-yolk-sac-tumor
#9
Guang-Qian Xiao, David S Priemer, Christina Wei, Manju Aron, Qi Yang, Muhammad T Idrees
AIMS: Accurate histologic diagnosis and classification of germ cell tumors (GCTs) is key to informing successful therapeutic and surveillance strategy. Modern therapeutic approach for yolk sac tumor (YST) is highly curative. Because YST takes on a large morphologic spectrum, it can be confused for other GCT subtypes as well as somatic carcinomas, particularly when YST presents in an extragonadal or a metastatic setting. Currently available immunohistochemical markers are limited by suboptimal sensitivity and specificity...
June 5, 2017: Histopathology
https://www.readbyqxmd.com/read/28576860/coordination-of-heparan-sulfate-proteoglycans-with-wnt-signaling-to-control-cellular-migrations-and-positioning-in-caenorhabditis-elegans
#10
Kristian Saied-Santiago, Robert A Townley, John D Attonito, Dayse S da Cunha, Carlos A Diaz-Balzac, Eillen Tecle, Hannes E Bülow
Heparan sulfates are linear polysaccharides with complex modification patterns, which are covalently bound via conserved attachment sites to core proteins to form heparan sulfate proteoglycans (HSPGs). HSPGs regulate many aspects of the development and function of the nervous system, including cell migration, morphology, and network connectivity. HSPGs function as co-factors for multiple signaling pathways, including the Wnt signaling molecules and their Frizzled receptors. To investigate the functional interactions among the HSPG and Wnt networks, we conducted genetic analyses of each, and also between these networks using five cellular migrations in the nematode Caenorhabditis elegans We find that HSPG core proteins act genetically in a combinatorial fashion dependent on the cellular contexts...
June 2, 2017: Genetics
https://www.readbyqxmd.com/read/28572527/treatment-of-hepatocellular-carcinoma-with-a-gpc3-targeted-bispecific-t-cell-engager
#11
Yanyu Bi, Hua Jiang, Peng Wang, Bo Song, Huamao Wang, Xianming Kong, Zonghai Li
There are limited strategies for the treatment of hepatocellular carcinoma (HCC). In this study, we prepared a Bispecific T cell engager (BiTE) targeting Glypican 3 (GPC3) and CD3. The GPC3/CD3 BiTE was prepared by fusing the single-chain variable fragment (scFv) of the humanized anti-GPC3 antibody (9F2) with the scFv of the anti-CD3 antibody (OKT3). The in vitro and in vivo cytotoxic activities of the GPC3/CD3 BiTE were evaluated against various HCC cell lines. The GPC3/CD3 BiTE could efficiently mediate the T cell killing of GPC3-positive HCC in vitro, which was dependent on GPC3 expression on the surface of HCC cells...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28546458/proteoglycans-ion-channels-and-cell-matrix-adhesion
#12
REVIEW
Ioli Mitsou, Hinke A B Multhaupt, John R Couchman
Cell surface proteoglycans comprise a transmembrane or membrane-associated core protein to which one or more glycosaminoglycan chains are covalently attached. They are ubiquitous receptors on nearly all animal cell surfaces. In mammals, the cell surface proteoglycans include the six glypicans, CD44, NG2 (CSPG4), neuropilin-1 and four syndecans. A single syndecan is present in invertebrates such as nematodes and insects. Uniquely, syndecans are receptors for many classes of proteins that can bind to the heparan sulphate chains present on syndecan core proteins...
May 25, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28545181/hepatocellular-carcinoma-a-comprehensive-review-of-biomarkers-clinical-aspects-and-therapy
#13
Nathalia Martines Tunissiolli, Márcia Maria Urbanin Castanhole-Nunes, Patrícia Matos Biselli-Chicote, Érika Cristina Pavarino, Renato Ferreira da Silva, Rita de Cássia Martins Alves da Silva, Eny Maria Goloni-Bertollo
Hepatocellular carcinoma (HCC) is a cause of several deaths related to cancer worldwidely. In early stage, curative treatments such as surgical resection, liver transplant and local ablation can improve the patient ´s survival. However, the disease is detected in advanced stage; moreover some available therapies are restricted to palliative care and local treatment. Early detections of HCC and adequate therapy are crucial to increase survival as well as to improve the patient´s quality of life. Therefore, researchers have been investigating molecular biomarkers with high sensibility and reliability as Golgi 73 protein (GP73), Glypican-3 (GPC3), Osteopontin (OPN), microRNAs and others...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28510121/can-glypican-3-be-a-disease-specific-biomarker
#14
REVIEW
Chaolei Chen, Xiaomin Huang, Zhaojian Ying, Dengmin Wu, Yani Yu, Xiangdong Wang, Chengshui Chen
BACKGROUND: Glypican-3 (GPC3) is a cell surface-bound proteoglycan which has been identified as a potential biomarker candidate in hepatocellular carcinoma, lung carcinoma, severe pneumonia, and acute respiratory distress syndrome (ARDS). The aim of our review is to evaluate whether GPC3 has utility as a disease-specific biomarker, to discuss the potential involvement of GPC3 in cell biology, and to consider the changes of GPC3 gene and protein expression and regulation in hepatocellular carcinoma, lung cancer, severe pneumonia, and ARDS...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28476031/new-tumor-suppressor-micrornas-target-glypican-3-in-human-liver-cancer
#15
Flora Cartier, Emilie Indersie, Sarah Lesjean, Justine Charpentier, Katarzyna B Hooks, Amani Ghousein, Angélique Desplat, Nathalie Dugot-Senant, Véronique Trézéguet, Francis Sagliocco, Martin Hagedorn, Christophe F Grosset
Glypican-3 (GPC3) is an oncogene, frequently upregulated in liver malignancies such as hepatocellular carcinoma (HCC) and hepatoblastoma and constitutes a potential molecular target for therapy in liver cancer. Using a functional screening system, we identified 10 new microRNAs controlling GPC3 expression in malignant liver cells, five of them e.g. miR-4510, miR-203a-3p, miR-548aa, miR-376b-3p and miR-548v reduce GPC3 expression. These 5 microRNAs were significantly downregulated in tumoral compared to non-tumoral liver and inhibited tumor cell proliferation...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28472609/diagnosis-of-afp-negative-early-stage-hepatocellular-carcinoma-using-fuc-pon1
#16
Hong Shu, Wei Li, Shuxin Shang, Xue Qin, Shu Zhang, Yinkun Liu
Our previous study demonstrated that Fuc-PON1 (the ratio of fucosylated serum paraoxonase 1 to the total serum serum paraoxonase 1) was increased significantly in hepatocellular carcinoma (HCC) patients with low AFP levels. Herein, a separate cohort of AFP-negative (AFP(-)) early HCC patients was studied to validate the diagnostic potential of Fuc-PON1. Aleuria aurantia lectin (AAL) ELISA and protein ELISA were measured simultaneously to calculate PON1 fucosylation at its protein level. Lens culinaris agglutinin reactive AFP (AFP-L3) and glypican-3 (GPC3) concentrations of the same specimens were also evaluated...
March 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28464847/glycosaminoglycans-are-involved-in-bacterial-adherence-to-lung-cells
#17
Olga Rajas, Luis M Quirós, Mara Ortega, Emma Vazquez-Espinosa, Jesús Merayo-Lloves, Fernando Vazquez, Beatriz García
BACKGROUND: Lower respiratory infections are among the top ten causes of death worldwide. Since pathogen to cell adhesion is a crucial step in the infection progress, blocking the interaction between eukaryotic receptors and bacterial ligands may enable the pathogenesis process to be stopped. Cell surface glycosaminoglycans (GAGs) are known to be mediators in the adhesion of diverse bacteria to different cell types, making it of interest to examine their involvement in the attachment of various pathogenic bacteria to lung cells, including epithelial cells and fibroblasts...
May 2, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28462474/brain-heparan-sulphate-proteoglycans-are-altered-in-developing-foetus-when-exposed-to-in-utero-hyperglycaemia
#18
M S Sandeep, C D Nandini
In-utero exposure of foetus to hyperglycaemic condition affects the growth and development of the organism. The brain is one of the first organs that start to develop during embryonic period and glycosaminoglycans (GAGs) and proteoglycans (PGs) are one of the key molecules involved in its development. But studies on the effect of hyperglycaemic conditions on brain GAGs/PGs are few and far between. We, therefore, looked into the changes in brain GAGs and PGs at various developmental stages of pre- and post-natal rats from non-diabetic and diabetic mothers as well as in adult rats induced with diabetes using a diabetogenic agent, Streptozotocin...
May 2, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28457411/immunoexpression-of-heat-shock-protein-70-glypican-3-glutamine-synthetase-and-beta-catenin-in-hepatocellular-carcinoma-after-liver-transplantation-association-between-positive-glypican-3-and-beta-catenin-with-the-presence-of-larger-nodules
#19
E C Ataide, S R Perales, M G Silva, F C Filho, A C Sparapani, P F Latuf Filho, R S B Stucchi, J Vassallo, C A F Escanhoela, I F S F Boin
BACKGROUND: Hepatocellular carcinoma (HCC) is the 6th leading cause of cancer worldwide. Its recurrence ranges from 6% to 26%. In the literature, many factors are associated with higher risk of recurrence, without a clear definition of the best method that could predict this highly lethal event. OBJECTIVE: The aim of this study was to evaluate the immunoexpression of immunohistochemical markers: HSP70, glypican 3, glutamine synthetase, and beta-catenin, as well as studying their association with tumor characteristics and prognosis of patients undergoing liver transplantation for HCC...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28445973/plasmodium-parasite-as-an-effective-hepatocellular-carcinoma-antigen-glypican-3-delivery-vector
#20
Quan Liu, Yijun Yang, Xuefang Tan, Zhu Tao, Dickson Adah, Songlin Yu, Junnan Lu, Siting Zhao, Limei Qin, Li Qin, Xiaoping Chen
We have previously demonstrated that malaria parasite infection has an anti-tumor effect in a mouse model. This research aimed to investigate the possibility of using Plasmodium parasite as a novel vaccine vector for hepatocellular carcinoma (HCC) immunotherapy. We constructed a Plasmodium yoelii 17XNL strain (P.y) expressing murine glypican-3 (GPC3) protein (P.y-GPC3), and examined its therapeutic potency in a murine Hepa1-6-induced hepatoma model that highly expressed GPC3 protein. The prerequisites for invoking a CD8+ T cell response were assessed after P...
April 11, 2017: Oncotarget
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