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Current Opinion in Oncology

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https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#1
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29084000/paracrine-interactions-of-cancer-associated-fibroblasts-macrophages-and-endothelial-cells-tumor-allies-and-foes
#2
Roberto Ronca, Jo A Van Ginderachter, Andrei Turtoi
PURPOSE OF REVIEW: Tumor stroma is composed of many cellular subtypes, of which the most abundant are fibroblasts, macrophages and endothelial cells. During the process of tissue injury, these three cellular subtypes must coordinate their activity to efficiently contribute to tissue regeneration. In tumor, this mechanism is hijacked by cancer cells, which rewire the interaction of stromal cells to benefit tumor development. The present review aims at summarizing most relevant information concerning both pro-tumorigenic and anti-tumorigenic actions implicating the three stromal cell subtypes as well as their mutual interactions...
October 27, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29076966/revisiting-tumor-patterns-and-penetrance-in-germline-tp53-mutation-carriers-temporal-phases-of-li-fraumeni-syndrome
#3
Amina Amadou, Maria I Waddington Achatz, Pierre Hainaut
PURPOSE OF REVIEW: Germline pathogenic TP53 mutation may predispose to multiple cancers but penetrance and cancer patterns remain incompletely documented. We have analyzed international agency for research on cancer TP53 database to reevaluate age and variant-dependent tumor patterns. RECENT FINDINGS: Genome-wide studies suggest that germline variants are more frequent than estimated prevalence of Li-Fraumeni syndrome (LFS), suggesting that many carriers of potentially pathogenic mutations may not develop the syndrome...
October 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29076965/mutational-and-epigenetic-signatures-in-cancer-tissue-linked-to-environmental-exposures-and-lifestyle
#4
Vittorio Perduca, Hanane Omichessan, Laura Baglietto, Gianluca Severi
PURPOSE OF REVIEW: In this article, we describe how recent advances in the study of mutational and epigenetic signatures in tumours provide new opportunities to understand the role of the environment and lifestyle in cancer development. RECENT FINDINGS: Cancer-related mutational events have been investigated for decades but only recently the wide availability of genomic sequences and epigenomic data from thousands of cancer genomes has made it possible to identify numerous distinct mutational and epigenetic signatures through the application of advanced mathematical models...
October 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29076964/lysine-methylation-signaling-in-pancreatic-cancer
#5
Gaël S Roth, Alexandre G Casanova, Nathanaël Lemonnier, Nicolas Reynoird
PURPOSE OF REVIEW: Despite better knowledge of its genetic basis, pancreatic cancer is still highly lethal with very few therapeutic options. In this review, we discuss the potential impact of epigenetic therapies, focusing on lysine methylation signaling and its implication in pancreatic cancer. RECENT FINDINGS: Protein lysine methylation, a key mechanism of posttranslational modifications of histone proteins, has emerged as a major cell signaling mechanism regulating physiologic and pathologic processes including cancer...
October 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29064844/the-smurf-transition-new-insights-on-ageing-from-end-of-life-studies-in-animal-models
#6
Michael Rera, Céline Vallot, Christel Lefrançois
PURPOSE OF REVIEW: Over the past 5 years, many articles were published concerning the prediction of high risk of mortality in apparently healthy adults, echoing the first description in 2011 of the Smurf phenotype, a harbinger of natural death in drosophila. RECENT FINDINGS: These recent findings suggest that the end-of-life is molecularly and physiologically highly stereotyped, evolutionarily conserved and predictable. SUMMARY: Taken altogether, these results from independent teams using multiple organisms including humans draw the lines of future directions in ageing research...
October 23, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29049050/an-update-on-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features
#7
Danielle E Range, Xiaoyin S Jiang
PURPOSE OF REVIEW: Noninvasive encapsulated follicular variant of papillary thyroid carcinoma (PTC) has been established in the literature as a clinically indolent tumor. Despite this, it was traditionally treated like all other PTCs. In an attempt to reduce overtreatment of this entity, a panel of experts reclassified this entity as noninvasive follicular neoplasm with papillary-like nuclear features (NIFTP). This reclassification has led to a flurry of literature elucidating the molecular, cytologic and clinical parameters of this 'new' entity and the implications for patient management...
October 18, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29028646/advances-in-understanding-the-molecular-underpinnings-of-adrenocortical-tumors
#8
Norman G Nicolson, Jianling Man, Tobias Carling
PURPOSE OF REVIEW: Adrenocortical tumors are divided into benign adenomas and malignant carcinomas. The former is relatively common and carries a favorable prognosis, whereas the latter is rare and frequently presents at an advanced stage, with poor outcomes. Advances in next-generation sequencing, genome analysis, and bioinformatics have allowed for high-throughput molecular characterization of adrenal tumorigenesis. RECENT FINDINGS: Although recent genomic, epigenomic, and transcriptomic studies in large tumor cohorts have confirmed the central roles of aberrant Wnt/ß-catenin signaling, constitutive protein kinase A pathway activation, cell cycle dysregulation, and ion channelopathies in adrenal tumorigenesis, these studies also revealed novel signature events underlying malignant differentiation of adrenocortical carcinomas...
October 11, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29028645/an-update-on-the-status-of-molecular-testing-for-the-indeterminate-thyroid-nodule-and-risk-stratification-of-differentiated-thyroid-cancer
#9
Kristina J Nicholson, Linwah Yip
PURPOSE OF REVIEW: Correct identification of malignancy in cytologically indeterminate thyroid nodules is a diagnostic challenge, leading to potentially unnecessary surgery in patients for whom final histology is benign. Similarly, many patients with differentiated thyroid cancer (DTC) undergo aggressive surgical management of tumors, which may ultimately have low-risk histologic features. Use of molecular testing strategies can aid in both the diagnosis of indeterminate thyroid nodules and preoperative risk stratification of DTC...
October 11, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28984651/new-anti-her2-agents-from-second-generation-tyrosine-kinases-inhibitors-to-bifunctional-antibodies
#10
Joseph Gligorov, Sandrine Richard, Vladimir Todorovic
PURPOSE OF REVIEW: HER2-positive breast cancers have benefited since the end of the twentieth century, not only from the improvement of biological knowledge, but also from major technological advances. The latter allowed the synthesis of the first generation of enzymatic inhibitors of the HER receptor family such as lapatinib, but above all, monoclonal antibodies such as trastuzumab or pertuzumab having profoundly modified the management of these cancers. However, despite outstanding progresses, there are still patients who are not cured with these first-generation treatments, and they will need new approaches to improve disease control and impact patients' survival...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28914645/notch-inhibitors-and-their-role-in-the-treatment-of-triple-negative-breast-cancer-promises-and-failures
#11
Marzia Locatelli, Giuseppe Curigliano
PURPOSE OF REVIEW: Notch signaling is a highly evolutionarily conserved cell-to-cell communication system that is involved in a number of pivotal cellular processes, such as development, stem cell maintenance, cell fate specification, differentiation, proliferation, and death. Much progress has been made in understanding Notch signaling. This review will focus on the role of canonical Notch signaling pathway in breast cancer cause and progressing. RECENT FINDINGS: In this review, we will discuss the results of the studies using drugs, which target the Notch pathway...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28914644/systemic-therapy-in-advanced-melanoma-integrating-targeted-therapy-and-immunotherapy-into-clinical-practice
#12
Inês P Silva, Georgina V Long
PURPOSE OF REVIEW: Here we review the results from relevant phase III trials and discuss treatment strategies for challenging subgroups of melanoma patients. RECENT FINDINGS: Targeted therapies induce rapid responses in the majority of BRAF-mutant patients, however, 50% of these responders will develop resistance within approximately 13 months. In contrast, inhibitors of checkpoints on T cells, particularly inhibitors of PD-1, induce responses in 40-55% of patients (monotherapy or whenever combined with anti-CTLA-4), and these responses tend to be durable...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28901965/anaplastic-gliomas-in-adults-an-update
#13
Cristina Izquierdo, Bastien Joubert, François Ducray
PURPOSE OF REVIEW: The current review summarizes recent advances on the oncogenesis, classification and treatment of adult anaplastic gliomas. RECENT FINDINGS: According to the 2016 WHO classification, three main molecular subgroups of adult diffuse anaplastic gliomas can be distinguished based on the 1p/19q codeletion and isocitrate dehydrogenase (IDH) mutation status. In the future, this classification may be further refined based on the telomerase reverse transcriptase promoter and alpha thalassemia/mental retardation syndrome X-linked mutation status, gene expression, DNA methylation and genomic profiling...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28885433/put-away-your-microscopes-the-ependymoma-molecular-era-has-begun
#14
Stephen C Mack, Michael D Taylor
PURPOSE OF REVIEW: To synthesize, integrate, and comment on recent research developments to our understanding of the molecular basis of ependymoma (EPN), and to place this in context with current treatment and research efforts. RECENT FINDINGS: Our recent understanding of the histologically defined molecular entity EPN has rapidly advanced through genomic, transcriptomic, and epigenomic profiling studies. SUMMARY: These advancements lay the groundwork for development of future EPN biomarkers, models, and therapeutics...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28877078/advances-in-immunotherapy-in-multiple-myeloma
#15
Leora Boussi, Ruben Niesvizky
PURPOSE OF REVIEW: Here, we explore the significant progress made in the treatment of multiple myeloma, focusing on immunotherapy and the promise it has offered to patients suffering from advanced disease. RECENT FINDINGS: Multiple myeloma, a B-cell malignancy, is characterized by unregulated plasma cell growth in the bone marrow as well as strong immunosuppression in the tumor microenvironment. mAbs targeting tumor antigens overcome this, increasing T-cell activation, multiple myeloma cell death, and depth of response...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28872470/stop-and-go-hematopoietic-cell-transplantation-in-the-era-of-chimeric-antigen-receptor-t-cells-and-checkpoint-inhibitors
#16
Arnab Ghosh, Ioannis Politikos, Miguel-Angel Perales
PURPOSE OF REVIEW: For several decades, hematopoietic cell transplantation (HCT) has been considered the standard curative therapy for many patients with hematological malignancies. In addition to the cytotoxic effects of the chemotherapy and radiation used in the conditioning regimen, the benefits of HCT are derived from a reset of the immune system and harnessing the ability of donor T cells to eliminate malignant cells. With the dawn of the era of immunotherapies in the form of checkpoint inhibitors and chimeric antigen receptor (CAR) T cells, the role of HCT has evolved...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28872469/extending-indication-of-cyclin-dependent-kinase-4-6-inhibitors-in-the-adjuvant-and-neoadjuvant-setting
#17
Carmen Criscitiello, Giulia Viale, Giuseppe Curigliano
PURPOSE OF REVIEW: A burst of recent activity has surrounded the study of cyclin-dependent kinase 4/6 (CDK 4/6) inhibitors for the treatment of metastatic breast cancer. The success of these drugs in the metastatic setting has pushed the evaluation of these agents in early-stage disease. The use of CDK 4/6 inhibitors as neoadjuvant and adjuvant therapy is a hot topic and several studies are underway. RECENT FINDINGS: Ongoing studies are exploring the addition of CDK 4/6 inhibitors to endocrine therapy in early breast cancer...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28857842/relapsed-refractory-acute-myeloid-leukemia-any-progress
#18
Richard F Schlenk, Carsten Müller-Tidow, Axel Benner, Meinhard Kieser
PURPOSE OF REVIEW: Aim of this review was to focus on prognostic and predictive factors, standard and new treatment approaches, and on statistical considerations for future clinical trials in patients with relapsed/refractory acute myeloid leukemia (r/r-AML). RECENT FINDINGS: New prognostic molecular markers were identified in r/r-AML, FLT3-ITD, mutated IDH1, and biallelic CEBPA mutations. Intensive combination chemotherapy including gemtuzumab ozogamicin emerged as an effective salvage therapy in refractory AML...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28841589/role-of-stem-cell-transplant-in-lymphoma-in-the-era-of-new-drugs
#19
Katerina Benekou, Silvia Montoto
PURPOSE OF REVIEW: Better understanding of the lymphoma pathogenesis and molecular biology has introduced a new era in the lymphoma therapy with the advent of targeted drugs. In this new era, the role of hematopoietic stem cell transplantation (HSCT) is evolving, and the purpose of this review is to demonstrate how the introduction of novel agents has affected the current treatment strategy of different subtypes of lymphoma. RECENT FINDINGS: Autologous stem cell transplantation (ASCT) remains the standard of care for patients with relapsed Hodgkin Lymphoma and high-grade non-Hodgkin lymphoma (NHL)...
November 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28841588/thrombosis-in-adult-patients-with-acute-leukemia
#20
Maria Ilaria Del Principe, Domenico Del Principe, Adriano Venditti
PURPOSE OF REVIEW: Recent studies indicate that the risk of thrombosis in hematologic patients may be similar or even higher than that found in patients with solid tumors. However, available information about pathogenesis and incidence of thrombosis in acute leukemia is limited. This review focuses on mechanisms underlying thrombosis in acute leukemia and discusses recent literature data. RECENT FINDINGS: In the last few years, proofs have been provided that leukemic cells release free prothrombotic products, such as micro-vesicles, tissue factors, circulating free DNA and RNA...
November 2017: Current Opinion in Oncology
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