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ERBB3 AND cancer

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https://www.readbyqxmd.com/read/29199595/epidermal-growth-factor-receptor-tyrosine-kinase-a-potential-target-in-treatment-of-non-small-cell-lung-carcinoma
#1
REVIEW
Venugopal Vinod Prabhu, Niranjali Devaraj
Lung cancer is responsible for 1.6 million deaths. Approximately 80%-85% of lung cancers are of the non-small-cell variety, which includes squamous cell carcinoma, adenocarcinoma, and large-cell carcinoma. Knowing the stage of cancer progression is a requisite for determining which management approach-surgery, chemotherapy, radiotherapy, and/or immunotherapy-is optimal. Targeted therapeutic approaches with antiangiogenic monoclonal antibodies or tyrosine kinase inhibitors are one option if tumors harbor oncogene mutations...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29182685/mir205-inhibits-stem-cell-renewal-in-sum159pt-breast-cancer-cells
#2
Víctor Mayoral-Varo, Annarica Calcabrini, María Pilar Sánchez-Bailón, Jorge Martín-Pérez
miR205 has a dual activity, as tumor suppressor and as oncogene. Here we analyzed the impact of miR205 ectopic expression in the initial tumorigenic processes of SUM159PT, a triple negative breast cancer cell line with low endogenous levels of miR205. In SUM159PT, miR205 inhibited expression of its targets VEGFA, ErbB3, Zeb1, Fyn and Lyn A/B; it reduced cell proliferation, and Myc/cyclin D1 levels, while increased p27kip1 expression. miR205 abolished anchorage-independent growth, inhibited migration and invasion, Src-kinases/Stat3 axis activation, and levels of secreted MMP9...
2017: PloS One
https://www.readbyqxmd.com/read/29113229/fatty-acid-synthase-affects-expression-of-erbb-receptors-in-epithelial-to-mesenchymal-transition-of-breast-cancer-cells-and-invasive-ductal-carcinoma
#3
Tingting Chen, Lan Zhou, Hua Li, Yuan Tian, Junqin Li, Lihua Dong, Yuhua Zhao, Dapeng Wei
The aim of the present study was to investigate changes in the expression of ErbBs during epithelial-mesenchymal transition (EMT) of breast cancer cells and its association with the expression of fatty acid synthase (FASN). MCF-7-MEK5 cells were used as the experimental model, while MCF-7 cells were used as a control. Tumor cells were implanted into nude mice for in vivo analysis. Cerulenin was used as a FASN inhibitor. Reverse transcription-polymerase chain reaction and western blot analysis were used to detect expression levels of FASN and ErbB1-4...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29080385/evaluation-of-patritumab-with-or-without-erlotinib-in-combination-with-standard-cytotoxic-agents-against-pediatric-sarcoma-xenograft-models
#4
Abhik Bandyopadhyay, Edward Favours, Doris A Phelps, Vanessa Del Pozo, Samson Ghilu, Dias Kurmashev, Joel Michalek, Aron Trevino, Denis Guttridge, Cheryl London, Kenji Hirotani, Ling Zhang, Raushan T Kurmasheva, Peter J Houghton
BACKGROUND: Integrating molecularly targeted agents with cytotoxic drugs used in curative treatment of pediatric cancers is complex. An evaluation was undertaken with the ERBB3/Her3-specific antibody patritumab (P) either alone or with the ERBB1/epidermal growth factor receptor inhibitor erlotinib (E) in combination with standard cytotoxic agents, cisplatin, vincristine, and cyclophosphamide, in pediatric sarcoma xenograft models that express receptors and ligands targeted by these agents...
October 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29050225/hcarg-commd5-inhibits-erbb-receptor-driven-renal-cell-carcinoma
#5
Hiroyuki Matsuda, Carole G Campion, Kyoko Fujiwara, Jin Ikeda, Suzanne Cossette, Thomas Verissimo, Maiko Ogasawara, Louis Gaboury, Kosuke Saito, Kenya Yamaguchi, Satoru Takahashi, Morito Endo, Noboru Fukuda, Masayoshi Soma, Pavel Hamet, Johanne Tremblay
Hypertension-related, calcium-regulated gene (HCaRG/COMMD5) is highly expressed in renal proximal tubules, where it contributes to the control of cell proliferation and differentiation. HCaRG accelerates tubular repair by facilitating re-differentiation of injured proximal tubular epithelial cells, thus improving mouse survival after acute kidney injury. Sustained hyper-proliferation and de-differentiation are important hallmarks of tumor progression. Here, we demonstrate that cancer cells overexpressing HCaRG maintain a more differentiated phenotype, while several of them undergo autophagic cell death...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29048654/telmisartan-inhibits-hepatocellular-carcinoma-cell-proliferation-in-vitro-by-inducing-cell-cycle-arrest
#6
Kyoko Oura, Tomoko Tadokoro, Shintaro Fujihara, Asahiro Morishita, Taiga Chiyo, Eri Samukawa, Yoshimi Yamana, Koji Fujita, Teppei Sakamoto, Takako Nomura, Hirohito Yoneyama, Hideki Kobara, Hirohito Mori, Hisakazu Iwama, Keiichi Okano, Yasuyuki Suzuki, Tsutomu Masaki
Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver and the third leading cause of cancer-related death. Telmisartan, a widely used antihypertensive drug, is an angiotensin II type 1 (AT1) receptor blocker (ARB) that might inhibit cancer cell proliferation, but the mechanisms through which telmisartan affects various cancers remain unknown. The aim of the present study was to evaluate the effects of telmisartan on human HCC and to assess the expression of microRNAs (miRNAs). We studied the effects of telmisartan on HCC cells using the HLF, HLE, HepG2, HuH-7 and PLC/PRF/5 cell lines...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28978093/molecular-characterization-of-circulating-colorectal-tumor-cells-defines-genetic-signatures-for-individualized-cancer-care
#7
Say Li Kong, Xingliang Liu, Nur-Afidah Mohamed Suhaimi, Kenneth Jia Hao Koh, Min Hu, Daniel Yoke San Lee, Igor Cima, Wai Min Phyo, Esther Xing Wei Lee, Joyce A Tai, Yu Miin Foong, Jess Honganh Vo, Poh Koon Koh, Tong Zhang, Jackie Y Ying, Bing Lim, Min-Han Tan, Axel M Hillmer
Studies on circulating tumor cells (CTCs) have largely focused on platform development and CTC enumeration rather than on the genomic characterization of CTCs. To address this, we performed targeted sequencing of CTCs of colorectal cancer patients and compared the mutations with the matched primary tumors. We collected preoperative blood and matched primary tumor samples from 48 colorectal cancer patients. CTCs were isolated using a label-free microfiltration device on a silicon microsieve. Upon whole genome amplification, we performed amplicon-based targeted sequencing on a panel of 39 druggable and frequently mutated genes on both CTCs and fresh-frozen tumor samples...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28939861/multiplexed-exchange-paint-imaging-reveals-ligand-dependent-egfr-and-met-interactions-in-the-plasma-membrane
#8
Jeffrey L Werbin, Maier S Avendaño, Verena Becker, Ralf Jungmann, Peng Yin, Gaudenz Danuser, Peter K Sorger
Signal transduction by receptor tyrosine kinases (RTKs) involves complex ligand- and time-dependent changes in conformation and modification state. High resolution structures are available for individual receptors dimers, but less is known about receptor clusters that form in plasma membranes composed of many different RTKs with the potential to interact. We report the use of multiplexed super-resolution imaging (Exchange-PAINT) followed by mean-shift clustering and random forest analysis to measure the precise distributions of five receptor tyrosine kinases (RTKs) from the ErbB, IGF-1R and Met families in breast cancer cells...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28938595/multiple-receptor-tyrosine-kinase-activation-related-to-alk-inhibitor-resistance-in-lung-cancer-cells-with-alk-rearrangement
#9
Se Hoon Choi, Dong Ha Kim, Yun Jung Choi, Seon Ye Kim, Jung-Eun Lee, Ki Jung Sung, Woo Sung Kim, Chang-Min Choi, Jin Kyung Rho, Jae Cheol Lee
The activation of alternative receptor tyrosine kinases (RTKs) is known to mediate resistance to ALK inhibitors. However, the role of multiple RTK activation in resistance has yet to be determined. Two crizotinib-resistant (H3122/CR-1 and H3122/CR-2) and one TAE684-resistant (H2228/TR) cell lines were established. Multi-RTK arrays and Western blots were performed to detect the activation of bypass signals. There were no secondary mutations in the sequencing. EGFR and MET were activated in H3122/CR-1 cells whereas EGFR and IGF1R were activated in H3122/CR-2 cells...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28924391/snp-rs3202538-in-3-utr-region-of-erbb3-regulated-by-mir-204-and-mir-211-promote-gastric-cancer-development-in-chinese-population
#10
Yaxiang Shi, Xuan Chen, Biao Xi, Xiaowen Yu, Jun Ouyang, Chunxia Han, Yucheng Qin, Defeng Wu, Hong Shen
BACKGROUND/AIMS: ErbB3 is an oncogene which has proliferation and metastasis promotion effects by several signaling pathways. However, the individual expression difference regulated by miRNA was almost still unknown. We focused on the miRNAs associated SNPs in the 3'-UTR of ErbB3 to investigate the further relationship of the SNPs with miRNAs among Chinese gastric cancer (GC) patients. METHODS: We performed case-control study including 851 GC patients and 799 cancer-free controls...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28901268/nrg1-erbb-lost-in-translation-a-new-paradigm-for-lung-cancer
#11
Domenico Trombetta, Antonio Rossi, Federico Pio Fabrizio, A Sparaneo, Paolo Graziano, Vito Michele Fazio, Lucia Anna Muscarella
The ErbB network of receptor tyrosine kinases represents one of the best examples of how the understanding of molecular basis of tumor pathogenesis can give a significant improvement for patients treatment, suggesting new therapeutic options to overcome acquired treatment resistance. This amazing bridge between growth factor receptors and cancer has been consolidated during the last decades through the identification of many driver mutations in the gene key of the RTKs network. Unexpected molecular lesions of the NRG1 gene followed by an aberrant ErbB signaling were recently described as a new molecular features of non-small cell lung cancer, but it has been also sporadically reported in other tumors...
September 11, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28900130/nectin-like-molecule-4-cell-adhesion-molecule-4-inhibits-the-ligand-induced-dimerization-of-erbb3-with-erbb2
#12
Kiyohito Mizutani, Shin Kedashiro, Masahiro Maruoka, Yuki Ueda, Yoshimi Takai
The ligand-induced dimerization of cell surface single-transmembrane receptors is essential for their activation. However, physiological molecules that inhibit their dimerization and activation have not been identified. ErbB3 dimerizes with ErbB2 upon binding of heregulin (HRG) to ErbB3, causing the ErbB2-catalyzed tyrosine phosphorylation of ErbB3, which leads to the activation of the signalling pathways for cell movement and survival. Genetic disorders of this receptor cause tumorigenesis and metastasis of cancers...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28889394/evaluation-of-protein-levels-of-the-receptor-tyrosine-kinase-erbb3-in-serum
#13
Leandro S D'Abronzo, Chong-Xian Pan, Paramita M Ghosh
The epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases (RTK) consists of four members: EGFR1/ErbB1/HER1, ErbB2/HER2, ErbB3/HER3, and HER4/ErbB4. Signaling through these receptors regulates many key cellular activities, such as cell division, migration, adhesion, differentiation, and apoptosis. The ErbB family has been shown to be overexpressed in different types of cancers and is a target of several inhibitors already in clinical trials. ErbB3 lacks a functional tyrosine kinase domain and therefore has not been as extensively studied as the other members of this family, but its importance in activating downstream pathways, such as the PI3K/Akt pathway, makes this RTK a worthy investigation target, especially in urothelial carcinoma where the PI3K/Akt pathway is vital for progression...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28881753/sirna-mediated-inactivation-of-her3-improves-the-antitumour-activity-and-sensitivity-of-gefitinib-in-gastric-cancer-cells
#14
Heng-Heng Yuan, Ying-Nan Yang, Jian-Hua Zhou, Yan-Jing Li, Li-Ying Wang, Jun-Wei Qin, Tao Liu, Zhen-Zhen Li, Qing-Xin Zhou, Xiao-Li Wei, Ting-Ting Zhang, Peng Huang, Wen-Jie Zhang, Lei Liu, Xiao-Xue Du, Yu Han
The human EGFR family consists of four type-1 transmembrane tyrosine kinase receptors: HER1 (EGFR, ErbB1), HER2 (Neu, ErbB2), HER3 (ErbB3), and HER4 (ErbB4). HER3 can dimerize with EGFR, HER2 and even c-Met and likely plays a central role in the response to EGFR-targeted therapy. Because HER3 lacks significant kinase activity and cannot be inhibited by tyrosine kinase inhibitors, neutralizing antibodies and alternative inhibitors of HER3 have been sought as cancer therapeutics. Here, we describe the stable suppression of HER3 mRNA and protein using siRNA...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28821767/identification-of-candidate-genes-for-devil-facial-tumour-disease-tumourigenesis
#15
Robyn L Taylor, Yiru Zhang, Jennifer P Schöning, Janine E Deakin
Devil facial tumour (DFT) disease, a transmissible cancer where the infectious agent is the tumour itself, has caused a dramatic decrease in Tasmanian devil numbers in the wild. The purpose of this study was to take a candidate gene/pathway approach to identify potentially perturbed genes or pathways in DFT. A fusion of chromosome 1 and X is posited as the initial event leading to the development of DFT, with the rearranged chromosome 1 material now stably maintained as the tumour spreads through the population...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28816616/transfer-rna-mediated-enhancement-of-ribosomal-proteins-s6-kinases-signalling-for-cell-proliferation
#16
Nam Hoon Kwon, Mi Ran Lee, Jiwon Kong, Seung Kyun Park, Byung Joon Hwang, Byung Gyu Kim, Eun-Shin Lee, Hyeong-Gon Moon, Sunghoon Kim
While transfer RNAs (tRNAs) are known to transport amino acids to ribosome, new functions are being unveiled from tRNAs and their fragments beyond protein synthesis. Here we show that phosphorylation of 90-kDa RPS6K (ribosomal proteins S6 kinase) was enhanced by tRNA(Leu) overexpression under amino acids starvation condition. The phosphorylation of 90-kDa RPS6K was decreased by siRNA specific to tRNA(Leu) and was independent to mTOR (mammalian target of rapamycin) signalling. Among the 90-kDa RPS6K family, RSK1 (ribosomal S6 kinase 1) and MSK2 (mitogen-and stress-activated protein kinase 2) were the major kinases phosphorylated by tRNA(Leu) overexpression...
August 17, 2017: RNA Biology
https://www.readbyqxmd.com/read/28805349/crispr-assisted-receptor-deletion-reveals-distinct-roles-for-erbb2-and-erbb3-in-skin-keratinocytes
#17
Maik Dahlhoff, Nadège Gaborit, Sebastian Bultmann, Heinrich Leonhardt, Yosef Yarden, Marlon R Schneider
While the epidermal growth factor receptor (EGFR) is an established regulator of skin development and homeostasis, the functions of the related tyrosine kinase receptors ERBB2 and ERBB3 in this tissue have only recently been examined. Previously reported, skin-specific deletion of each of these receptors in mice resulted in similar defects in keratinocyte proliferation and migration, resulting in impaired wound healing and tumorigenesis. Because both ERBB2 and ERBB3 are targets for treating an array of cancer types, it is important to examine the consequences of receptor inhibition in human keratinocytes...
October 2017: FEBS Journal
https://www.readbyqxmd.com/read/28791631/erbb-receptors-and-cancer
#18
Zhixiang Wang
The ErbB receptor family, also known as the EGF receptor family or type I receptor family, includes the epidermal growth factor (EGF) receptor (EGFR) or ErbB1/Her1, ErbB2/Her2, ErbB3/Her3, and ErbB4/Her4. Among all RTKs, EGFR was the first RTK identified and the first one linked to cancer. Thus, EGFR has also been the most intensively studied among all RTKs. ErbB receptors are activated after homodimerization or heterodimerization. The ErbB family is unique among the various groups of receptor tyrosine kinases (RTKs) in that ErbB3 has impaired kinase activity, while ErbB2 does not have a direct ligand...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28754852/molecular-characterization-of-circulating-colorectal-tumor-cells-defines-genetic-signatures-for-individualized-cancer-care
#19
Say Li Kong, Xingliang Liu, Nur-Afidah Mohamed Suhaimi, Kenneth Jia Hao Koh, Min Hu, Daniel Yoke San Lee, Igor Cima, Wai Min Phyo, Esther Xing Wei Lee, Joyce A Tai, Yu Miin Foong, Jess Honganh Vo, Poh Koon Koh, Tong Zhang, Jackie Y Ying, Bing Lim, Min-Han Tan, Axel M Hillmer
Studies on circulating tumor cells (CTCs) have largely focused on platform development and CTC enumeration rather than on the genomic characterization of CTCs. To address this, we performed targeted sequencing of CTCs of colorectal cancer patients and compared the mutations with the matched primary tumors. We collected preoperative blood and matched primary tumor samples from 48 colorectal cancer patients. CTCs were isolated using a label-free microfiltration device on a silicon microsieve. Upon whole genome amplification, we performed amplicon-based targeted sequencing on a panel of 39 druggable and frequently mutated genes on both CTCs and fresh-frozen tumor samples...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28750640/impact-of-somatic-pi3k-pathway-and-erbb-family-mutations-on-pathological-complete-response-pcr-in-her2-positive-breast-cancer-patients-who-received-neoadjuvant-her2-targeted-therapies
#20
Sinead Toomey, Alexander J Eustace, Joanna Fay, Katherine M Sheehan, Aoife Carr, Malgorzata Milewska, Stephen F Madden, Ausra Teiserskiene, Elaine W Kay, Norma O'Donovan, William Gallagher, Liam Grogan, Oscar Breathnach, Janice Walshe, Catherine Kelly, Brian Moulton, M John Kennedy, Guiseppe Gullo, Arnold D Hill, Colm Power, Deirdre Duke, Niamh Hambly, John Crown, Bryan T Hennessy
BACKGROUND: The Cancer Genome Atlas analysis revealed that somatic EGFR, receptor tyrosine-protein kinase erbB-2 (ERBB2), Erb-B2 receptor tyrosine kinase 3 (ERBB3) and Erb-B2 receptor tyrosine kinase 4 (ERBB4) gene mutations (ERBB family mutations) occur alone or co-occur with somatic mutations in the gene encoding the phosphatidylinositol 3-kinase (PI3K) catalytic subunit (PIK3CA) in 19% of human epidermal growth factor receptor 2 (HER2)-positive breast cancers. Because ERBB family mutations can activate the PI3K/AKT pathway and likely have similar canonical signalling effects to PI3K pathway mutations, we investigated their combined impact on response to neoadjuvant HER2-targeted therapies...
July 27, 2017: Breast Cancer Research: BCR
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