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Alk translocation

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https://www.readbyqxmd.com/read/28409069/efficiency-of-crizotinib-on-an-alk-positive-inflammatory-myofibroblastic-tumor-of-the-central-nervous-system-a-case-report
#1
Anas Chennouf, Elizabeth Arslanian, David Roberge, France Berthelet, Michel Bojanowski, Jean-Paul Bahary, Laura Masucci, Karl Belanger, Marie Florescu, Philip Wong
Inflammatory myofibroblastic tumors (IMT) of the central nervous system (CNS) are rare entities that have a predilection for local recurrences. Approximately half of the inflammatory myofibroblastic tumors contain translocations that result in the over-expression of the anaplastic lymphoma kinase (ALK) gene. We hereby present the case of a patient diagnosed with a left parieto-occipital IMT that recurred after multiple surgeries and radiotherapy. Immuno-histochemical examination of the tumor demonstrated ALK overexpression and the presence of an ALK rearrangement observed in lung cancers...
March 2, 2017: Curēus
https://www.readbyqxmd.com/read/28373005/avelumab-for-patients-with-previously-treated-metastatic-or-recurrent-non-small-cell-lung-cancer-javelin-solid-tumor-dose-expansion-cohort-of-a-multicentre-open-label-phase-1b-trial
#2
James L Gulley, Arun Rajan, David R Spigel, Nicholas Iannotti, Jason Chandler, Deborah J L Wong, Joseph Leach, W Jeff Edenfield, Ding Wang, Hans Juergen Grote, Anja von Heydebreck, Kevin Chin, Jean-Marie Cuillerot, Karen Kelly
BACKGROUND: Avelumab, a human Ig-G1 monoclonal antibody targeting PD-L1 and approved in the USA for the treatment of metastatic Merkel cell carcinoma, has shown antitumour activity and an acceptable safety profile in patients with advanced solid tumours in a dose-escalation phase 1a trial. In this dose-expansion cohort of that trial, we assess avelumab treatment in a cohort of patients with advanced, platinum-treated non-small-cell lung cancer (NSCLC). METHODS: In this dose-expansion cohort of a multicentre, open-label, phase 1 study, patients with progressive or platinum-resistant metastatic or recurrent NSCLC were enrolled at 58 cancer treatment centres and academic hospitals in the USA...
March 31, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28368455/tracking-a-cad-alk-gene-rearrangement-in-urine-and-blood-of-a-colorectal-cancer-patient-treated-with-an-alk-inhibitor
#3
G Siravegna, A Sartore-Bianchi, B Mussolin, A Cassingena, A Amatu, L Novara, M Buscarino, G Corti, G Crisafulli, A Bartolini, F Tosi, M Erlander, F Di Nicolantonio, S Siena, A Bardelli
Background: Monitoring response and resistance to kinase inhibitors is essential to precision cancer medicine, and is usually investigated by molecular profiling of a tissue biopsy obtained at progression. However, tumor heterogeneity and tissue sampling bias limit the effectiveness of this strategy. In addition, tissue biopsies are not always feasible and are associated with risks due to the invasiveness of the procedure. To overcome these limitations, blood-based liquid biopsy analysis has proven effective to non-invasively follow tumor's clonal evolution...
March 24, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28351340/molecular-pathology-of-anaplastic-thyroid-carcinomas-a-retrospective-study-of-144-cases
#4
Benjamin Bonhomme, Yann Godbert, Gaelle Perot, Abir Alghuzlan, Stéphane Bardet, Geneviève Belleannée, Lise Criniere, Christine Do Cao, Geneviève Fouilhoux, Serge Guyetant, Antony Kelly, Sophie Leboulleux, Camille Buffet, Emmanuelle Leteurtre, Jean-Jacques Michels, Frédérique Tissier, Marie-Elisabeth Toubert, Michel Wassef, Clémence Pinard, Isabelle Hostein, Isabelle Soubeyran
BACKGROUND: Anaplastic thyroid carcinoma (ATC) is a rare tumor with poorly defined oncogenic molecular mechanisms and limited therapeutic options contributing to its poor prognosis. The aim of this retrospective study was to determine the frequency of anaplastic lymphoma kinase (ALK) translocations and identify the mutational profile of ATC including TERT promoter mutation. METHODS AND MATERIALS: One hundred and forty-four ATC cases were collected from 10 centers that are a part of the national French network for management of refractory thyroid tumors (TUTHYREF)...
March 28, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28293986/clear-cell-change-in-thyroid-carcinoma-a-clinicopathologic-and-molecular-study-with-identification-of-variable-genetic-anomalies
#5
Nicole A Cipriani, Shweta Agarwal, Dora Dias-Santagata, William C Faquin, Peter M Sadow
BACKGROUND: Clear-cell carcinoma of the thyroid has been regarded as a variant of follicular (FTC) or papillary (PTC) thyroid carcinoma. Twenty-one primary thyroid carcinomas with clear-cell features, diagnosed in 20 patients (12 female) were identified between 1992 and 2012 (0.5% of in-house thyroid carcinomas). METHODS: Hematoxylin and eosin slides were reviewed. SNaPshot multigene mutational analysis and a translocation panel were successfully performed on 15 of these cases...
April 12, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28285687/met-exon-14-skipping-mutation-in-triple-negative-pulmonary-adenocarcinomas-and-pleomorphic-carcinomas-an-analysis-of-intratumoral-met-status-heterogeneity-and-clinicopathological-characteristics
#6
Dohee Kwon, Jaemoon Koh, Sehui Kim, Heounjeong Go, Young A Kim, Bhumsuk Keam, Tae Min Kim, Dong-Wan Kim, Yoon Kyung Jeon, Doo Hyun Chung
OBJECTIVES: MET mutations leading to exon 14 skipping rarely occur in non-small cell lung cancer (NSCLC). Recently, small molecule inhibitors targeting MET mutations showed clinical benefit. However, the clinicopathological characteristics of NSCLC harboring MET mutations, and the correlation among mutations, protein expression, and gene copy number of MET in NSCLC remain unclear. Therefore, we address these issues. MATERIALS AND METHODS: MET exon 14 skipping mutations were evaluated using real-time quantitative reverse-transcription-PCR (qRT-PCR) in 102 triple-negative (i...
April 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28240017/prevalence-of-egfr-and-alk-mutations-in-lung-adenocarcinomas-in-the-levant-area-a-prospective-analysis
#7
Arafat Tfayli, Hind Rafei, Alain Mina, Maya Khalil, Najla Fakhreddin, Rami Mahfouz, Shadi Hamouri, Fadi Farhat, Ziad Salem, Haifa Dbouk, Haider Rabee, Nagi Saghir, Ali Shamseddine, Jawad Makarem, Nizar Bitar, Anas Mougharbil, Hazem Assi, Sally Temraz, Deborah Mukherji, Ismail Matalka, Ghazi Zaatari
Background: A significant percentage of lung adenocarcinomas have a driver mutation. To date, there has been no assessment of the prevalence of such mutations in a Middle Eastern population. The present multicenter prospective study of formalin fixed paraffin embedded (FFPE) tissues from patients diagnosed with lung adenocarcinoma was performed to assess the prevalence of EGFR and ALK mutations in the Levant. Methods: Patients of Middle Eastern origin with lung adenocarcinomas at 10 sites in Lebanon, Jordan and Iraq were prospectively enrolled...
January 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28237660/pulmonary-adenocarcinoma-with-enteric-differentiation-dissecting-oncogenic-genes-alterations-with-dna-sequencing-and-fish-analysis
#8
Alessia Nottegar, Fabrizio Tabbò, Claudio Luchini, Francesco Guerrera, Marcello Gaudiano, Emilio Bria, Matteo Brunelli, Marco Chilosi, Giorgio Inghirami
BACKGROUND: Pulmonary Adenocarcinoma with Enteric Differentiation (PAED) is a rare subtype of adenocarcinoma of emerging interest, recently introduced in the 2015 WHO classification. However, little is known about major molecular signatures of this class of adenocarcinomas and information about new biomarkers totally lack. METHODS: We examined the NRAS, PIK3CA, EGFR, KRAS and BRAF status through mass spectrometry sequencing and ALK rearrangement by FISH in a series of 8 PAEDs...
February 22, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28188721/pd-l1-over-expression-is-associated-with-a-poor-prognosis-in-asian-non-small-cell-lung-cancer-patients
#9
Haifeng Xia, Ji Shen, Fang Hu, Shaomu Chen, Haitao Huang, Yaozeng Xu, Haitao Ma
BACKGROUND: The prognostic role of programmed cell death-ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC) remains controversial. This meta-analysis was conducted to clarify the association of PD-L1 with survival in NSCLC patients. METHODS: Relevant studies were collected from PubMed, Embase and Web of Science. Only studies in which PD-L1 expression was detected by immunohistochemical staining in NSCLC patients correlated with patient survival data were included...
February 7, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28177518/unique-prevalence-of-oncogenic-genetic-alterations-in-young-patients-with-lung-adenocarcinoma
#10
Kosuke Tanaka, Toyoaki Hida, Yuko Oya, Tatsuya Yoshida, Junichi Shimizu, Tetsuya Mizuno, Hiroaki Kuroda, Noriaki Sakakura, Kenichi Yoshimura, Yoshitsugu Horio, Yukinori Sakao, Yasushi Yatabe
BACKGROUND: Lung adenocarcinoma in the young is a rare entity, and the oncogenic genetic alterations (GAs) and clinical characteristics associated with this disease are poorly understood. Conversely, it has been demonstrated that young age at diagnosis defines unique biology in other cancers. For this report, the effects of young age on lung adenocarcinoma are reported. METHODS: The authors retrospectively screened 1746 consecutive patients who were diagnosed with stage I through IV adenocarcinoma between 2009 and 2015 and identified 81 who were aged 40 years or younger at diagnosis...
February 8, 2017: Cancer
https://www.readbyqxmd.com/read/28152920/actionable-biomarkers-in-a-non-small-cell-lung-cancer-nsclc-clinical-pathway-cp
#11
(no author information available yet)
155 Background: Oncologists use Via Pathways (VP) to drive standardization to best evidence-based cancer care. VP include guidance for biomarker testing and associated treatments. Practices collaborated to analyze the first line non squamous carcinoma NSCLC VP. An unexpectedly large percentage of treatment decisions captured by oncologists in the VP portal had unknown ALK translocation or EGFR mutation test results. The VP was modified to require input of whether or not the test was ordered. This analysis examines the impact of this change...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28112990/alk-gene-alterations-in-cancer-biological-aspects-and-therapeutic-implications
#12
Raffaele Palmirotta, Davide Quaresmini, Domenica Lovero, Franco Silvestris
ALK was first reported in 1994 as a translocation in anaplastic large cell lymphoma and then described with different abnormalities in a number of tumors. Recently, a shortly accumulated biomedical research clarified the numerous biological processes underlying its ability to support cancer development, growth and progression. Advent of precision medicine has finally provided unexpected advances, leading to the development of ALK-targeting inhibitors with superior efficacy as compared with standard chemotherapy regimens, as well as the identification of resistance mechanisms and the creation of 'next-generation' treatments...
February 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28050384/inflammatory-myofibroblastic-tumor-of-the-kidney-a-rare-renal-tumor
#13
Alvin Jose Pothadiyil, Suresh Bhat, Fredrick Paul, Jithesh Mampatta, Mahesh Srinivas
Inflammatory Myofibroblastic Tumour (IMT) or 'pseudotumour' of the kidney is a rare benign tumour of unknown aetiology affecting mostly young adults. A subset of IMT is neoplastic and harbours translocations of activin receptor-like kinase-1 (ALK-1) gene and can recur or rarely metastasize. Presentation varies from an incidentaloma to gross haematuria. Clinical examination and radiological investigations are usually inconclusive. Often, biopsy is inconclusive necessitating a management similar to that of Renal Cell Cancer (RCC)...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28039177/differential-protein-stability-and-clinical-responses-of-eml4-alk-fusion-variants-to-various-alk-inhibitors-in-advanced-alk-rearranged-non-small-cell-lung-cancer
#14
C G Woo, S Seo, S W Kim, S J Jang, K S Park, J Y Song, B Lee, M W Richards, R Bayliss, D H Lee, J Choi
Background: Anaplastic lymphoma kinase (ALK) inhibition using crizotinib has become the standard of care in advanced ALK-rearranged non-small cell lung cancer (NSCLC), but the treatment outcomes and duration of response vary widely. Echinoderm microtubule-associated protein-like 4 (EML4)-ALK is the most common translocation, and the fusion variants show different sensitivity to crizotinib in vitro. However, there are only limited data on the specific EML4-ALK variants and clinical responses of patients to various ALK inhibitors...
April 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28024689/alk-testing-in-non-small-cell-lung-cancer-nsclc-immunohistochemistry-ihc-and-or-fluorescence-in-situ-hybridisation-fish-statement-of-the-germany-society-for-pathology-dgp-and-the-working-group-thoracic-oncology-aio-of-the-german-cancer-society-e-v-stellungnahme
#15
M von Laffert, P Schirmacher, A Warth, W Weichert, R Büttner, R M Huber, J Wolf, F Griesinger, M Dietel, Ch Grohé
The EML4-ALK pathway plays an important role in a significant subset of non-small cell lung cancer patients. Treatment options such as ALK tyrosine kinase inhibitors lead to improved progression free survival and overall survival. These therapeutic options are chosen on the basis of the identification of the underlying genetic signature of the EML-ALK translocation. Efficient and easily accessible testing tools are required to identify eligible patients in a timely fashion. While FISH techniques are commonly used to detect this translocation, the broad implementation of this type of ALK testing into routine diagnostics is not optimal due to technical, structural and financial reasons...
January 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27988109/receptor-tyrosine-kinases-translocation-partners-in-hematopoietic-disorders
#16
REVIEW
Katelyn N Nelson, Malalage N Peiris, April N Meyer, Asma Siari, Daniel J Donoghue
Receptor tyrosine kinases (RTKs) activate various signaling pathways and regulate cellular proliferation, survival, migration, and angiogenesis. Malignant neoplasms often circumvent or subjugate these pathways by promoting RTK overactivation through mutation or chromosomal translocation. RTK translocations create a fusion protein containing a dimerizing partner fused to an RTK kinase domain, resulting in constitutive kinase domain activation, altered RTK cellular localization, upregulation of downstream signaling, and novel pathway activation...
January 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/27960155/stimulation-of-suicidal-erythrocyte-death-by-ceritinib-treatment-of-human-erythrocytes
#17
Abdulla Al Mamun Bhuyan, Elena Signoretto, Rosi Bissinger, Florian Lang
BACKGROUND/AIMS: The anaplastic lymphoma kinase (ALK) inhibitor ceritinib is utilized for the treatment of ALK positive non-small cell lung carcinoma. Side effects of the drug include decrease of blood hemoglobin concentration. Possible causes of anemia include stimulation of suicidal erythrocyte death or eryptosis, which is characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. Signaling of eryptosis includes increase of cytosolic Ca2+ activity ([Ca2+]i), oxidative stress, ceramide, staurosporine sensitive protein kinase C, SB203580 sensitive p38 kinase, D4476 sensitive casein kinase 1, and zVAD sensitive caspases...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27910030/recurrent-cytogenetic-abnormalities-in-non-hodgkin-s-lymphoma-and-chronic-lymphocytic-leukemia
#18
Edmond S K Ma
Characteristic chromosomal translocations are found to be associated with subtypes of B-cell non-Hodgkin lymphoma (NHL), for example t(8;14)(q24;q32) and Burkitt lymphoma, t(14;18)(q32;q21) and follicular lymphoma, and t(11;14)(q13;q32) in mantle cell lymphoma. Only few recurrent cytogenetic aberrations have been identified in the T-cell NHL and the best known is the ALK gene translocation t(2;5)(p23;q35) in anaplastic large cell lymphoma. Since lymph node or other tissue is seldom submitted for conventional cytogenetics study, alternative approaches for translocation detection are polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27879258/nucleophosmin-anaplastic-lymphoma-kinase-npm-alk-the-ultimate-oncogene-and-therapeutic-target
#19
Michael T Werner, Chen Zhao, Qian Zhang, Mariusz A Wasik
Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase physiologically expressed by fetal neural cells. However, aberrantly expressed ALK is involved in the pathogenesis of diverse malignancies including distinct types of lymphoma, lung carcinoma, and neuroblastoma. The aberrant ALK expression in non-neural cells results from chromosomal translocations that create novel fusion proteins. These protein hybrids are comprised of the proximal part of a partner gene including its promoter region and the distal part of ALK including coding sequence for the entire kinase domain...
November 22, 2016: Blood
https://www.readbyqxmd.com/read/27877008/detection-of-alk-translocation-in-non-small-cell-lung-carcinoma-nsclc-and-its-clinicopathological-significance-using-the-ventana-immunohistochemical-staining-method-a-single-center-large-scale-investigation-of-1-504-chinese-han-patients
#20
Lin Yang, Yun Ling, Lei Guo, Di Ma, Xuemin Xue, Bingning Wang, Junling Li, Jianming Ying
OBJECTIVE: The novel fully automated immunohistochemistry (IHC) assay-Ventana anaplastic lymphoma kinase (ALK)-D5F3 for screening ALK rearrangements has been approved by China's Food and Drug Administration in 2013, our previous study disclosed a highly specificity and sensitivity nearly 100%, and its efficacy needs to be evaluated in a large cohort of primary lung adenocarcinoma patients, and to compare clinicopathological features with ALK (+) and ALK (-) lung adenocarcinoma. METHODS: A total of 1,504 consecutive surgical lung adenocarcinoma cases of Chinese Han population were collected and re-diagnosed according to the 2011 multidisciplinary classification of lung adenocarcinoma...
October 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
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