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Vascular endothelial growth factor receptor tyrosine kinase inhibitors for the treatment of advanced non-small cell lung cancer.

血管内皮生长因子受体酪氨酸激酶抑制剂治疗晚期非小细胞肺癌.

  • 影响因子:2.68
  • DOI:10.1080/14656566.2020.1713092
  • 作者列表:"Spagnuolo A","Palazzolo G","Sementa C","Gridelli C
  • 发表时间:2020-03-01
Abstract

:Introduction: Angiogenesis is the process by which the tumor develops its potential for growth and distant metastasis. The main proangiogenic switch is vascular endothelial growth factor (VEGF), which, along with its receptor VEGFR, is a target for biological drugs such as multi-targeted tyrosine kinase inhibitors used for many neoplasms, including non-small cell lung cancer (NSCLC).Areas covered: The fact that angiokinase inhibitors act on several signaling molecules simultaneously means that the use of alternative transmission pathways, which nullifies the effect of drugs directed against a single target, is avoided. Nevertheless, most of these drugs have failed to improve any outcome in NSCLC patients. The authors discuss these points and provide their expert perspectives.Expert opinion: Multikinase inhibitors are the fruit of research which regards cancer as a complex system of interacting processes. However, the lack of predictive biomarkers of response has limited the development of this class of drugs in NSCLC. Combination trials with chemotherapy, immunotherapy or other targeted drugs are ongoing, and while some have already confirmed the role of antiangiogenic small molecules in integrated regimes, others are still evaluating the efficacy of these drugs and raising questions about their cost and tolerability.

摘要

: 引言: 血管生成是肿瘤发展其生长和远处转移潜力的过程。主要的促血管生成开关是血管内皮生长因子 (VEGF),它与其受体VEGFR一起,是用于许多肿瘤的多靶点酪氨酸激酶抑制剂等生物药物的靶点,包括非小细胞肺癌 (NSCLC)。覆盖区域:血管激酶抑制剂同时作用于几个信号分子的事实意味着避免了使用替代的传播途径,这使得针对单一靶标的药物的作用无效。然而,大多数这些药物未能改善NSCLC患者的任何结果。作者讨论这些观点并提供他们的专家观点。专家观点: 多激酶抑制剂是将癌症视为相互作用过程的复杂系统的研究成果。然而,反应的预测性生物标志物的缺乏限制了这类药物在NSCLC中的开发。与化疗,免疫治疗或其他靶向药物的联合试验正在进行中,虽然一些已经证实了抗血管生成小分子在综合方案中的作用,其他人仍在评估这些药物的疗效,并对其成本和耐受性提出质疑。

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DOI:10.1016/j.athoracsur.2019.04.100
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METHODS::Pulmonary artery sling is a rare congenital anomaly of the origin and course of the left pulmonary artery. Patients with this condition typically present with respiratory failure in young infancy, and asymptomatic cases are uncommon. We describe the case of an adult patient with a lung adenocarcinoma of the right upper lobe, extending into the hilum and superior mediastinum, and with a previously unknown pulmonary artery sling anomaly. The local invasiveness of the tumor and the peculiar vascular anatomy contributed to a unique surgical scenario, wherein multiple reconstructive procedures were required.

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影响因子:6.93
发表时间:2020-01-15
DOI:10.1002/ijc.32532
作者列表:["Hata A","Nakajima T","Matsusaka K","Fukuyo M","Morimoto J","Yamamoto T","Sakairi Y","Rahmutulla B","Ota S","Wada H","Suzuki H","Matsubara H","Yoshino I","Kaneda A"]

METHODS::Patients with idiopathic pulmonary fibrosis (IPF) have higher risk of developing lung cancer, for example, squamous cell carcinoma (SCC), and show poor prognosis, while the molecular basis has not been fully investigated. Here we conducted DNA methylome analysis of lung SCC using 20 SCC samples with/without IPF, and noncancerous lung tissue samples from smokers/nonsmokers, using Infinium HumanMethylation 450K array. SCC was clustered into low- and high-methylation epigenotypes by hierarchical clustering analysis. Genes hypermethylated in SCC significantly included genes targeted by polycomb repressive complex in embryonic stem cells, and genes associated with Gene Ontology terms, for example, "transcription" and "cell adhesion," while genes hypermethylated specifically in high-methylation subgroup significantly included genes associated with "negative regulation of growth." Low-methylation subgroup significantly correlated with IPF (78%, vs. 17% in high-methylation subgroup, p = 0.04), and the correlation was validated by additional Infinium analysis of SCC samples (n = 44 in total), and data from The Cancer Genome Atlas (n = 390). The correlation between low-methylation subgroup and IPF was further validated by quantitative methylation analysis of marker genes commonly hypermethylated in SCC (HOXA2, HOXA9 and PCDHGB6), and markers specifically hypermethylated in high-methylation subgroup (DLEC1, CFTR, MT1M, CRIP3 and ALDH7A1) in 77 SCC cases using pyrosequencing (p = 0.003). Furthermore, low-methylation epigenotype significantly correlated with poorer prognosis among all SCC patients, or among patients without IPF. Multivariate analysis showed that low-methylation epigenotype is an independent predictor of poor prognosis. These may suggest that lung SCC could be stratified into molecular subtypes with distinct prognosis, and low-methylation lung SCC that significantly correlates with IPF shows unfavorable outcome.

翻译标题与摘要 下载文献
影响因子:6.93
发表时间:2020-01-01
DOI:10.1002/ijc.32530
作者列表:["Zhang L","Yang Y","Chai L","Bu H","Yang Y","Huang H","Ran J","Zhu Y","Li L","Chen F","Li W"]

METHODS::The role of Fyn-related kinase (FRK) in malignant tumors remains controversial. Our study investigated the function of FRK in lung cancer. Immunohistochemistry staining and generating a knockout of FRK by CRISPR/Cas9 in H1299 (FRK-KO-H1299) cells were strategies used to explore the role of FRK. Immunohistochemistry staining indicated that FRK expression was elevated in 223 lung cancer tissues compared to 26 distant normal lung tissues. FRK contributed to poor survival status in lung cancer patients and acted as a predictor for poor prognosis of lung cancer. Knockout of FRK by CRISPR/Cas9 markedly inhibited proliferation, invasion, colony formation and epithelial-mesenchymal transition (EMT) process in the lung cancer cell line H1299. Further exploration indicated that FRK-KO damaged the stemness phenotype of H1299 by inhibiting CD44 and CD133 expression. Seahorse detection and a U-13 C flux assay revealed that FRK-KO induced metabolism reprogramming by inhibiting the Warburg effect and changing the energy type in H1299 cells. Epidermal growth factor stimulation recovered the expression of FRK and biological functions, metabolic reprogramming and stemness phenotype of H1299 cells. FRK plays an oncogenic role in lung cancer cells via a novel regulation mechanism of enhancing the stemness of H1299 cells by inducing metabolism reprogramming, which finally promotes EMT and metastasis. Our study also indicates that FRK could be used as a potential therapeutic target for drug development.

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肺肿瘤方向

肺肿瘤,又叫支气管肺癌,是常见的恶性肿瘤之一。肺肿瘤的治疗为包括手术、中药、放疗、化疗及免疫等多学科的综合治疗。

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