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https://www.readbyqxmd.com/read/28445978/epidemiological-features-of-lung-giant-cell-carcinoma-and-therapy-for-patients-with-egfr-mutations-based-on-case-reports-and-the-surveillance-epidemiology-and-end-results-seer-database
#1
Shan-Shan Weng, Ying Cao, Xiu-Jun Tang, Li-Zhen Zhu, Yi-Nuo Tan, Cai-Xia Dong, Jia-Qi Chen, Hong Shen, Ying Yuan
Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are the standard first line treatment for advanced non-small cell lung cancer (NSCLC) with sensitive EGFR mutations. Among NSCLC, giant cell carcinoma of the lung (GCCL) is a rare pathological subtype with poor prognosis, with no confirmed evidence about its epidemiological features or therapeutic efficiency of EGFR-TKIs. We present two advanced GCCLs with sensitive EGFR mutations, also collected the cases of GCCL from our hospital and the Surveillance, Epidemiology, and End Results (SEER) program...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445193/a-pilot-randomized-trial-on-safety-and-efficacy-of-a-novel-topical-combined-inhibitor-of-janus-kinase-1-3-and-spleen-tyrosine-kinase-for-gvhd-associated-ocular-surface-disease
#2
Ahmad Kheirkhah, Antonio Di Zazzo, Vannarut Satitpitakul, Merle Fernandez, Daniel Magilavy, Reza Dana
PURPOSE: Janus kinase (JAK) and spleen tyrosine kinase (SYK) play critical functions in T-cell activation and in inflammation. Because of their antiinflammatory effects, JAK and SYK inhibitors have recently been evaluated in several immunopathogenic disorders. This pilot study was designed to assess the safety and efficacy of a topical combined JAK/SYK inhibitor, R348, ophthalmic solution for treatment of ocular surface disease in graft-versus-host disease (GVHD). METHODS: This phase 2, double-masked, randomized, pilot trial included 30 patients with ocular surface disease due to GVHD who were randomized to receive topical 0...
April 25, 2017: Cornea
https://www.readbyqxmd.com/read/28444899/tumour-vascular-leakage-defect-due-to-endothelium-targeted-fak-kinase-dead-mutation-is-abrogated-by-fak-y397e-expression
#3
Annika N Alexopoulou, Delphine M Lees, Natalia Bodrug, Tanguy Lechertier, Isabelle Fernandez, Gabriela D'Amico, Matthew Dukinfield, Silvia Batista, Bernardo Tavora, Bryan Serrels, Kairbaan Hodivala-Dilke
Focal adhesion kinase (FAK) inhibitors have been developed as potential anti-cancer agents and are in clinical trials. In vitro activation of FAK kinase domain triggers autophosphorylation of tyrosine 397 (Y397), Src activation and subsequent phosphorylation of other FAK tyrosine residues. However, how FAK-Y397 mutations affect FAK-kinase-dead phenotypes in tumour angiogenesis in vivo is unknown. We developed three Pdgfb-iCre(ert) -driven endothelial-cell (EC)-specific, tamoxifen-inducible homozygous mutant mouse lines: FAK wild-type (WT), FAK kinase-dead (KD), and double mutant (DM); KD with a putatively phosphomimetic Y397E mutation...
April 26, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28444644/ponatinib-in-japanese-patients-with-philadelphia-chromosome-positive-leukemia-a-phase-1-2-study
#4
Arinobu Tojo, Taiichi Kyo, Kazuhito Yamamoto, Hirohisa Nakamae, Naoto Takahashi, Yukio Kobayashi, Tetsuzo Tauchi, Shinichiro Okamoto, Koichi Miyamura, Kiyohiko Hatake, Hiromi Iwasaki, Itaru Matsumura, Noriko Usui, Tomoki Naoe, Meera Tugnait, Narayana I Narasimhan, Stephanie Lustgarten, Heinrich Farin, Frank Haluska, Kazuma Ohyashiki
In this ongoing Phase 1/2 study (NCT01667133), we evaluated ponatinib and assessed its recommended dose in Japanese patients with chronic myeloid leukemia (CML) resistant/intolerant to dasatinib or nilotinib, or with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph(+)ALL) resistant/intolerant to ≥1 tyrosine kinase inhibitor (TKI). The primary endpoints were safety of the recommended dose (Phase 1) and major cytogenetic response (MCyR) by 12 months in chronic-phase CML (CP-CML) patients or major hematologic response (MaHR) by 6 months in patients with advanced phase disease (Phase 2)...
April 25, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28444623/treatment-adherence-in-chronic-myeloid-leukaemia-patients-receiving-tyrosine-kinase-inhibitors
#5
Anna Rychter, Piotr Jerzmanowski, Adam Hołub, Zofia Specht-Szwoch, Violetta Kalinowska, Urszula Tęgowska, Ilona Seferyńska, Agnieszka Kołkowska-Leśniak, Ewa Lech-Marańda, Joanna Góra-Tybor
Failure to comply with treatment recommendations is very common in patients, but still poorly recognised by doctors. The current practice of using oral therapy on a large scale has been increasingly adopted for cancer patients. Chronic myeloid leukaemia (CML) is just such an example, where the introduction of taking new oral medications, the tyrosine kinase BCR-ABL inhibitors (TKI), has now revolutionised the treatment. The aim of our study was to assess treatment adherence in a group of Polish CML patients (a survey was conducted on 140 patient aged ≥18 years) treated with oral TKI (imatinib, dasatinib and nilotinib) taking into account the following variables: gender, age, education, place of residence, family circumstances and duration of therapy...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28444429/hypopharyngeal-and-upper-esophageal-ulceration-after-cervical-spine-radiotherapy-concurrent-with-crizotinib
#6
Marcus H Zimmermann, Gabriele Beckmann, Pius Jung, Michael Flentje
Herein, the authors describe the case of a 31-year-old female patient with primary metastatic adenocarcinoma of the lung referred for radiation therapy of newly diagnosed intramedullary spinal cord metastasis at C4/5 and an adjacent osteolytic lesion. Radiotherapy of the cervical spine level C3 to C5, including the whole vertebra, was performed with 30 Gy in 10 fractions. The patient's systemic therapy with crizotinib 250 mg twice daily was continued. After 8 fractions of radiation the patient developed increasing dysphagia...
April 25, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28444132/tyrosine-phosphorylation-of-enos-regulates-myocardial-survival-after-an-ischaemic-insult-role-of-pyk2
#7
Sofia-Iris Bibli, Zongmin Zhou, Sven Zukunft, Beate Fisslthaler, Ioanna Andreadou, Csaba Szabo, Peter Brouckaert, Ingrid Fleming, Andreas Papapetropoulos
Aims: Endothelial nitric oxide (NO) synthase (eNOS) is known to play a cardioprotective protective. However, the molecular mechanisms regulating eNOS activity during ischaemia/reperfusion (I/R) injury are incompletely understood. eNOS is a substrate for several kinases that positively or negatively affect its enzymatic activity. Herein, we sought to correlate eNOS phosphorylation status with cardiomyocyte survival and we investigated the contribution of the proline-rich tyrosine kinase 2 (PYK2)/eNOS axis to the regulation of myocardial infarct size in vivo...
April 20, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28442891/spotlight-on-nivolumab-in-the-treatment-of-renal-cell-carcinoma-design-development-and-place-in-therapy
#8
REVIEW
Vyshak Alva Venur, Monika Joshi, Kenneth G Nepple, Yousef Zakharia
Several tyrosine kinase inhibitors targeting the vascular endothelial growth factor receptors and molecules inhibiting the mammalian target of rapamycin are being used for management of metastatic renal cell carcinoma (mRCC); however, there is still a potential for improvement. Immune checkpoint inhibitors like nivolumab and other PD-1/PD-L1 inhibitors provide an alternative approach for patients with mRCC. In this article, the authors review the safety profile and outcomes of phase 1, 2, and 3 clinical trials of nivolumab in mRCC...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28442586/therapeutic-targeting-of-ptk7-is-cytotoxic-in-atypical-teratoid-rhabdoid-tumors
#9
Shanta M Messerli, Mariah M Hoffman, Etienne Z Gnimpieba, Ratan D Bhardwaj
Novel discoveries involving the evaluation of potential therapeutics are based on newly identified molecular targets for atypical teratoid rhabdoid tumors (ATRT), which are the most common form of infantile brain tumors. Central nervous system ATRTs are rare, aggressive, and fast growing tumors of the brain and spinal cord and carry a very poor prognosis. Currently, the standard of care for ATRT patients is based on surgical resection followed by systemic chemotherapy and radiation therapy, which result in severe side effects...
April 25, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28442448/phosphotyrosine-based-phosphoproteomics-scaled-down-to-biopsy-level-for-analysis-of-individual-tumor-biology-and-treatment-selection
#10
Mariette Labots, Johannes C van der Mijn, Robin Beekhof, Sander R Piersma, Richard R de Goeij-de Haas, Thang V Pham, Jaco C Knol, Henk Dekker, Nicole C T van Grieken, Henk M W Verheul, Connie R Jiménez
Mass spectrometry-based phosphoproteomics of cancer cell and tissue lysates provides insight in aberrantly activated signaling pathways and potential drug targets. For improved understanding of individual patient's tumor biology and to allow selection of tyrosine kinase inhibitors in individual patients, phosphoproteomics of small clinical samples should be feasible and reproducible. We aimed to scale down a pTyr-phosphopeptide enrichment protocol to biopsy-level protein input and assess reproducibility and applicability to tumor needle biopsies...
April 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28442019/-progress-of-c-met-signaling-pathway-and-tkis-in-non-small-cell-lung-cancer
#11
Xiaoqing Yu, Yanjun Xu, Yun Fan
c-MET is considered a promising oncogenic driver in non-small cell lung cancer (NSCLC) after the discovery of epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK). MET activation including gene mutation, amplification and protein overexpression, all of these are potential therapeutic targets and are associated with poor prognosis. Clinical evidence suggests a role for MET activation as both a primary oncogenic driver in subsets of lung cancer, and as a secondary driver of acquired resistance to EGFR-tyrosine kinase inhibitor (TKI)...
April 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28442018/-recent-advances-and-prospect-of-advanced-non-small-cell-lung-cancer-targeted-%C3%A2-therapy-focus-on-small-molecular-tyrosine-kinase-inhibitors
#12
Guowei Zhang, Huijuan Wang, Zhiyong Ma
At present the treatment of advanced non-small cell lung cancer enters a targeted era and develops rapidly. New drugs appear constantly. Small molecular tyrosine kinase inhibitors have occupied the biggest piece of the territory, which commonly have a clear biomarker as predictor, and show remarkable effect in specific molecular classification of patients. The epidermal growth factor tyrosine kinase inhibitors such as gefitinib, erlotinib, icotinib and anaplastic lymphoma kinase tyrosine kinase inhibitors crizotinib have brought a milestone advance...
April 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28441383/the-oral-vegf-receptor-tyrosine-kinase-inhibitor-pazopanib-in-combination-with-the-mek-inhibitor-trametinib-in-advanced-cholangiocarcinoma
#13
Rachna T Shroff, Mark Yarchoan, Ashley O'Connor, Denise Gallagher, Marianna L Zahurak, Gary Rosner, Chimela Ohaji, Susan Sartorius-Mergenthaler, Vivek Subbiah, Ralph Zinner, Nilofer S Azad
BACKGROUND: Cholangiocarcinoma is an aggressive malignancy with limited therapeutic options. MEK inhibition and antiangiogenic therapies have individually shown modest activity in advanced cholangiocarcinoma, whereas dual inhibition of these pathways has not been previously evaluated. We evaluated the safety and efficacy of combination therapy with the oral VEGF receptor tyrosine kinase inhibitor pazopanib plus the MEK inhibitor trametinib in patients with advanced cholangiocarcinoma...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28440510/migration-of-oral-squamous-cell-carcinoma-cells-are-induced-by-hgf-c-met-signalling-via-lamellipodia-and-filopodia-formation
#14
Hiroki Yasui, Yuichi Ohnishi, Masahiro Nakajima, Masami Nozaki
The activation of receptor tyrosine kinases (RTKs) results in cellular effects including cell proliferation, survival, migration and invasion; RTKs also play an important role in tumourigenesis. It has been reported that EGFR signalling controls the migration of oral squamous cell carcinoma (OSCC) SAS and HSC3 cells but not of HSC4 cells, although the proliferation of HSC4 cells is regulated by EGF/EGFR. In the present study, we investigated the roles of EGFR and the c-Met signalling pathway in cell migration via filopodia and lamellipodia formation, which may be prerequisites for migration...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440492/axl-and-gas6-co-expression-in-lung-adenocarcinoma-as-a-prognostic-classifier
#15
Masahiro Seike, Cheol-Hong Kim, Fenfei Zou, Rintaro Noro, Mika Chiba, Arimi Ishikawa, Shinobu Κunugi, Kaoru Kubota, Akihiko Gemma
AXL, a receptor tyrosine kinase implicated in cell survival, proliferation, and migration, is also associated with acquired resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor therapy. However, its prognostic significance in lung adenocarcinoma (AD) remains unclear. We therefore evaluated the prognostic significance of the expression of AXL and/or its ligand, growth arrest-specific 6 (GAS6), in completely resected lung AD. We evaluated the relationship between AXL, GAS6, and vimentin expression, as determined by immunohistochemistry (IHC) analysis, with overall survival and disease-free survival in 113 patients with stages I-III lung AD...
April 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440469/clinical-significance-of-akt2-in-advanced-pancreatic-cancer-treated-with-erlotinib
#16
Eri Banno, Yosuke Togashi, Marco A de Velasco, Takuro Mizukami, Yu Nakamura, Masato Terashima, Kazuko Sakai, Yoshihiko Fujita, Ken Kamata, Masayuki Kitano, Masatoshi Kudo, Kazuto Nishio
Akt2 is an isoform of Akt, and an association between Akt2 and resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) has been suggested in pancreatic cancer (PC) in vitro. In this study, we investigated the association between Akt2 expression as evaluated using immunohistochemistry and the outcome of patients with advanced PC who had received treatment with erlotinib (an EGFR-TKI). Although the difference was not significant, patients with high levels of Akt2 expression tended to have a poorer response and a shorter progression-free survival period after treatment with erlotinib plus gemcitabine than those with low expression levels (P=0...
April 18, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28439883/an-update-for-richter-syndrome-new-directions-and-developments
#17
REVIEW
Toby A Eyre, Anna Schuh
High-grade transformation of chronic lymphocytic leukaemia [Richter syndrome (RS)] is rare and represents a unique and uncommon clinical challenge. Clonally related diffuse large B cell type RS is a chemotherapy-resistant and devastating disease. Patients are typically elderly, immunosuppressed and present with a rapidly deteriorating performance status. Historical outcomes suggest a median overall survival of approximately 8 months. RS remains is an area of high unmet clinical need. The molecular profile and treatment needs of patients are likely to change over time with the advent of novel B cell receptor inhibitors, monoclonal antibodies and BH3 mimetics...
April 25, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28439494/how-best-to-manage-gastrointestinal-stromal-tumor
#18
REVIEW
Gandhi Lanke, Jeffrey H Lee
Gastrointestinal stromal tumors (GISTs) are rare but most common nonepithelial tumor of gastrointestinal tract. They are often found incidentally on computed tomography and endoscopic investigations. Increasing knowledge of the pathogenesis of GISTs and the advent of tyrosine kinase inhibitors revolutionized the management of GISTs. The newer advanced endoscopic techniques have challenged the conventional surgery although the true efficacy and safety of endoscopic approach is not clear at this time. This review article focuses on pathogenesis, diagnosis and management of GISTs...
April 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28438474/tyrosine-kinase-inhibitors-and-heart-failure-risk
#19
Manjulika Das
No abstract text is available yet for this article.
April 21, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28437395/global-survey-of-the-immunomodulatory-potential-of-common-drugs
#20
Gregory I Vladimer, Berend Snijder, Nikolaus Krall, Johannes W Bigenzahn, Kilian V M Huber, Charles-Hugues Lardeau, Kumar Sanjiv, Anna Ringler, Ulrika Warpman Berglund, Monika Sabler, Oscar Lopez de la Fuente, Paul Knöbl, Stefan Kubicek, Thomas Helleday, Ulrich Jäger, Giulio Superti-Furga
Small-molecule drugs may complement antibody-based therapies in an immune-oncology setting, yet systematic methods for the identification and characterization of the immunomodulatory properties of these entities are lacking. We surveyed the immumomodulatory potential of 1,402 small chemical molecules, as defined by their ability to alter the cell-cell interactions among peripheral mononuclear leukocytes ex vivo, using automated microscopy and population-wide single-cell image analysis. Unexpectedly, ∼10% of the agents tested affected these cell-cell interactions differentially...
April 24, 2017: Nature Chemical Biology
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