Masahiro Seike

ORCID: 0000-0002-1572-5472
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About
Contact & Profiles
Research Areas
  • Lung Cancer Treatments and Mutations
  • Lung Cancer Research Studies
  • Cancer Immunotherapy and Biomarkers
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Lung Cancer Diagnosis and Treatment
  • RNA modifications and cancer
  • Colorectal Cancer Treatments and Studies
  • Neuroendocrine Tumor Research Advances
  • MicroRNA in disease regulation
  • Peptidase Inhibition and Analysis
  • Cancer-related molecular mechanisms research
  • PI3K/AKT/mTOR signaling in cancer
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Medical Imaging and Pathology Studies
  • Pancreatic and Hepatic Oncology Research
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Epigenetics and DNA Methylation
  • Cancer-related gene regulation
  • Pleural and Pulmonary Diseases
  • Histone Deacetylase Inhibitors Research
  • Cancer-related Molecular Pathways
  • Mast cells and histamine
  • Cancer Genomics and Diagnostics
  • Asthma and respiratory diseases
  • Occupational and environmental lung diseases

Nippon Medical School
2016-2025

Nippon Medical School Hospital
2020-2024

Kubota (Japan)
2022

Weatherford College
2022

Chiba Hokusou Hospital
2019-2021

Pulmonary Associates
2021

Juntendo University
2021

University of Occupational and Environmental Health Japan
2021

National Cancer Center Hospital East
2021

Saga University
2021

Kazuhiko Nakagawa Edward B. Garon Takashi Seto Makoto Nishio Santiago Ponce Aix and 95 more Luís Paz-Ares Chao‐Hua Chiu Keunchil Park Silvia Novello Ernest Nadal Fumio Imamura Kiyotaka Yoh Jin‐Yuan Shih Kwok Hung Au Denis Moro‐Sibilot Sotaro Enatsu Annamaria H. Zimmermann Bente Frimodt‐Moller Carla Visseren‐Grul Martin Reck Quincy Chu Alexis B. Cortot Jean-Louis Pujol Denis Moro‐Sibilot Elizabeth Fabre Corinne Lamour Helge Bischoff Jens Kollmeier Martin Reck Martin Kimmich Walburga Engel-Riedel Stefan Hammerschmidt Wolfgang Schütte Konstantinos Syrigos Jcm Ho Kwok‐Hung Au Silvia Novello Andrea Ardizzoni Giulia Pasello Vanesa Gregorc Alessandro Del Conte Domenico Galetta Toshiaki Takahashi Kazuhiko Nakagawa Makoto Nishio Kiyotaka Yoh Takashi Seto Fumio Imamura Toru Kumagai Katsuyuki Hotta Yasushi Goto Yukio Hosomi Hiroshi Sakai Yuichi Takiguchi Young Hak Kim Takayasu Kurata Hiroyuki Yamaguchi Haruko Daga Isamu Okamoto Miyako Satouchi Satoshi Ikeda Kazuo Kasahara Shinji Atagi Koichi Azuma Toru Kumagai Keisuke Aoe Toru Kumagai Keisuke Aoe Yoshitsugu Horio Nobuyuki Yamamoto Hiroshi Tanaka Satoshi Watanabe Naoyuki Nogami Tomohiro Ozaki Ryo Koyama Tomonori Hirashima Hiroyasu Kaneda Keisuke Tomii Yuka Fujita Masahiro Seike Naoki Nishimura Terufumi Kato Masao Ichiki Hideo Saka Katsuya Hirano Yasuharu Nakahara Shunichi Sugawara Keunchil Park Sang‐We Kim Young Joo Min Hyun Woo Lee Jin‐Hyoung Kang Ho Jung An Ki Hyeong Lee Jin-Soo Kim Gyeong‐Won Lee Sung Yong Lee Aurelia Alexandru Anghel Adrian Udrea Óscar Juan

10.1016/s1470-2045(19)30634-5 article EN The Lancet Oncology 2019-10-04

Fifteen percent of lung cancer cases occur in never-smokers and show characteristics that are molecularly clinically distinct from those smokers. Epidermal growth factor receptor (EGFR) gene mutations, which correlated with sensitivity to EGFR-tyrosine kinase inhibitors (EGFR-TKIs), more frequent never-smoker cancers. In this study, microRNA (miRNA) expression profiling 28 identified aberrantly expressed miRNAs, were much fewer than cancers smokers included miRNAs previously (e.g.,...

10.1073/pnas.0905234106 article EN Proceedings of the National Academy of Sciences 2009-07-14

Abstract Epithelial–mesenchymal transition (EMT) has recently been recognized as a key element of cell invasion, migration, metastasis, and drug resistance in several types cancer, including non–small lung cancer (NSCLC). Our aim was to clarify microRNA (miRNA)-related mechanisms underlying EMT followed by acquired epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) NSCLC. miRNA expression profiles were examined before after transforming β1 (TGF-β1) exposure four human...

10.1158/1535-7163.mct-13-0448 article EN Molecular Cancer Therapeutics 2013-11-21

Transforming growth factor-β (TGF-β)-induced epithelial-mesenchymal transition (EMT) has been shown to be related the pathogenesis of various diseases including lung cancer. Recently, microRNAs (miRNA) have recognized as a new class genes involved in human tumorigenesis. MiR-23a/24/27a is miRNA cluster located chromosome 19p13.12, which can function an oncogene several cancers. In this study, we analyzed miR-23a/24/27a expression 10 non-small cell cancer (NSCLC) lines by real-time PCR...

10.3892/ijo.2012.1535 article EN cc-by-nc International Journal of Oncology 2012-06-28

BackgroundA 17-cytokine gene expression signature in noncancerous hepatic tissue from patients with metastatic hepatocellular carcinoma (HCC) was recently found to predict HCC metastasis and recurrence. We examined whether the cytokine profile of lung could capability adjacent adenocarcinoma.

10.1093/jnci/djm083 article EN JNCI Journal of the National Cancer Institute 2007-08-09

Clinical trials frequently include multiple end points that mature at different times. The initial report, typically based on the primary point, may be published when key planned coprimary or secondary analyses are not yet available. Trial Updates provide an opportunity to disseminate additional results from studies, in JCO elsewhere, for which point has already been reported.In a randomized, open-label, phase III NEJ009 study, gefitinib plus chemotherapy significantly improved...

10.1200/jco.21.02911 article EN cc-by-nc-nd Journal of Clinical Oncology 2022-08-12

Pembrolizumab is an immune checkpoint inhibitor (ICI) of programmed cell death-1 category, used for treating various types cancer. ICIs can sometimes result in immune-related adverse events. Allergic bronchopulmonary mycosis (ABPM) induced by ICI has rarely been reported. We hereby report the case 83-year-old woman who experienced non-Aspergillus ABPM with eosinophilia pembrolizumab that had prescribed bladder Steroid monotherapy prednisone was successful and could be resumed. Through...

10.1016/j.rmcr.2025.102179 article EN cc-by Respiratory Medicine Case Reports 2025-01-01

Gefitinib (IRESSA), an epidermal growth factor receptor (EGFR) tyrosine kinase (TK) inhibitor, has antitumour activity in the advanced non-small-cell lung cancer (NSCLC) setting. However, chemotherapy-naïve patients with NSCLC, addition of gefitinib to standard chemotherapy regimens failed increase survival. These results suggest need for improved patient selection and combination rationales targeted therapies. We have identified subpopulations adenocarcinoma cell line that are naturally...

10.1038/sj.bjc.6602559 article EN cc-by-nc-sa British Journal of Cancer 2005-05-01

The combination of laser microdissection and two-dimensional gel electrophoresis (2-D PAGE) has been developed to perform proteomic analysis on specific populations cells in cancer tissues. However, as conventional low sensitivity silver staining was used for spot detection, the required obtain an adequate amount protein 2-D PAGE is laborious only a restricted number spots could be visualized. As consequence, this technology impractical direct clinical applications had limited impact...

10.1002/pmic.200300531 article EN PROTEOMICS 2003-09-01

Lung cancer is the most common and cause of cancer-related death in world. Nestin, a class VI intermediate filament, known to be stem cell (CSC) marker as well neuroepithelial marker. High expression levels nestin are reported several types cancers including lung, pancreatic prostate cancers. Nestin thought regulate tumor proliferation, migration, invasion CSC properties. Here, we confirmed non-small lung (NSCLC): Immunohistochemical analysis surgical specimens detected protein cytoplasm 20...

10.3892/ijo.2014.2278 article EN International Journal of Oncology 2014-01-24

Nintedanib (BIBF1120) is a multi-targeted angiokinase inhibitor and has been evaluated in idiopathic pulmonary fibrosis advanced non-small cell lung cancer (NSCLC) patients clinical studies. In the present study, we antitumor effects of nintedanib 16 NSCLC lines tried to identify microRNA (miRNA) associated with sensitivity nintedanib. No correlations between FGFR, PDGFR VEGFR family activation were found. The difference miRNA expression profiles 5 nintedanib-sensitive nintedanib-resistant...

10.3892/ijo.2016.3331 article EN cc-by-nc-nd International Journal of Oncology 2016-01-11

Although aberrant proliferation and activation of lung fibroblasts are implicated in the initiation progression idiopathic pulmonary fibrosis (IPF), underlying mechanisms not well characterized. Numerous microRNAs (miRNAs) have been this process; however, miRNAs derived from exosomes relevance such to fibroblast-to-myofibroblast differentiation understood. In study, we attempted identify exosome-derived relevant development.Using miRNA array analysis, profiled expression sera C57BL/6 mice...

10.1272/jnms.jnms.2020_87-302 article EN Journal of Nippon Medical School 2019-11-27

Abstract Background Osimertinib is a third‐generation epidermal growth factor receptor‐tyrosine kinase inhibitor (EGFR‐TKI) approved for the treatment of patients with EGFR ‐mutant non‐small cell lung cancer (NSCLC). However, mechanisms acquired drug resistance to osimertinib have not as yet been clarified. Exosomes and microRNAs (miRNAs) are involved in carcinogenesis human cancers. Methods We used previously established osimertinib‐resistant HCC827 (HCC827‐OR) PC‐9 (PC‐9‐OR) cells....

10.1111/1759-7714.13943 article EN cc-by Thoracic Cancer 2021-05-03

BackgroundThis multicenter phase 2 trial evaluated the safety and efficacy of osimertinib platinum-based chemotherapy (OPP) in patients with previously untreated EGFR-mutated advanced non-squamous non-small cell lung cancer (NSCLC).Patients methodsPatients received 80 mg once daily (QD), either cisplatin 75 mg/m2 (arm A) or carboplatin (area under curve [AUC] = 5; arm B), plus pemetrexed 500 for four cycles maintenance therapy QD every 3 weeks. The primary end-points were objective response...

10.1016/j.ejca.2023.02.023 article EN cc-by-nc-nd European Journal of Cancer 2023-03-02

Abstract To ascertain the potential for histone deacetylase (HDAC) inhibitor-based treatment in non-small cell lung cancer (NSCLC), we analyzed antitumor effects of trichostatin A (TSA) and suberoylanilide hydroxamic acid (vorinostat) a panel 16 NSCLC lines via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. TSA vorinostat both displayed strong activities 50% lines, suggesting need use predictive markers to select patients receiving this treatment. There was correlation...

10.1158/1535-7163.mct-07-2140 article EN Molecular Cancer Therapeutics 2008-07-01

Patients with non-small cell lung cancer (NSCLC) EGFR mutations have shown a dramatic response to inhibitors (EGFR-TKI). T790M mutation and MET amplification been recognized as major mechanisms of acquired resistance EGFR-TKI. Therefore, recently used in NSCLC patients clinical trials. In this study, we tried identify the mechanism inhibitors. We analyzed antitumor effects two inhibitors, PHA-665752 crizotinib, 10 lines. EBC-1 cells were only that sensitive both established...

10.1158/1535-7163.mct-15-0050 article EN Molecular Cancer Therapeutics 2015-09-09

Abstract Overcoming acquired resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) is critical in combating EGFR-mutant non-small cell lung cancer (NSCLC). We tried construct a novel therapeutic strategy conquer the second-and third-generation EGFR-TKIs EGFR-positive NSCLC patients. established afatinib- and osimertinib-resistant adenocarcinoma lines. Exome sequencing, cDNA array miRNA microarray were performed using lines discover targets associated with...

10.1038/s41598-018-33190-8 article EN cc-by Scientific Reports 2018-10-01
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