Masaru Morita

ORCID: 0000-0003-3407-2427
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About
Contact & Profiles
Research Areas
  • Esophageal Cancer Research and Treatment
  • Gastric Cancer Management and Outcomes
  • Esophageal and GI Pathology
  • Genetic factors in colorectal cancer
  • Pancreatic and Hepatic Oncology Research
  • Colorectal Cancer Treatments and Studies
  • Metastasis and carcinoma case studies
  • Cancer-related gene regulation
  • Cancer-related Molecular Pathways
  • RNA modifications and cancer
  • Gastrointestinal Tumor Research and Treatment
  • Lung Cancer Treatments and Mutations
  • Cancer, Hypoxia, and Metabolism
  • Cancer Genomics and Diagnostics
  • Head and Neck Cancer Studies
  • Colorectal Cancer Surgical Treatments
  • Cancer Research and Treatments
  • Nutrition and Health in Aging
  • Lung Cancer Diagnosis and Treatment
  • Multiple and Secondary Primary Cancers
  • Peroxisome Proliferator-Activated Receptors
  • Tracheal and airway disorders
  • Cancer Cells and Metastasis
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Neuroendocrine Tumor Research Advances

National Hospital Organization Kyushu Cancer Center
2016-2025

National Kyushu Medical Center
2021

National Institute of Diabetes and Digestive and Kidney Diseases
2019

ProQuest (United States)
2019

Bioengineering Center
2019

Kyushu University
2008-2017

Toho University
2016

Toho University Omori Medical Center
2016

Indiana University Melvin and Bren Simon Comprehensive Cancer Center
2015

Kumamoto University
2013

Programmed death‐ligand 1 ( PD ‐L1) plays a crucial role in the host immune system cancer progression. The gene promoter region of ‐L1 also contains binding site for ZEB 1, transcription factor related to epithelial‐mesenchymal transition EMT ). purpose this study was clarify relationship between and its clinical importance esophageal squamous cell carcinoma ESCC expression at tumor invasive front examined by immunohistochemistry resected specimens from 90 patients with who underwent surgery...

10.1111/cas.13237 article EN cc-by-nc Cancer Science 2017-03-14

The salivary microbiota is constantly swallowed and delivered to the digestive tract. These bacteria may be associated with gastrointestinal diseases. This case-control study examined in patients tract cancer (DTC) evaluated their differential distribution based on sites. We collected saliva samples from 59 any part of (tongue/pharynx, esophagus, stomach, large intestine) 118 age- sex-matched control subjects. There was no significant difference periodontal status between DTC subjects (P =...

10.3389/fmicb.2019.01780 article EN cc-by Frontiers in Microbiology 2019-08-02

The registration committee for esophageal cancer in the Japan Esophageal Society (JES) has collected patients' characteristics, treatment, and outcomes of patients who underwent any treatment during 2015 Japan.We analyzed data had visited participating hospitals 2015. We using National Clinical Database with a web-based collection system. used Japanese Classification Cancer 10th edition by JES TNM classification Union International Control (UICC) staging.A total 9368 cases were registered...

10.1007/s10388-022-00950-5 article EN cc-by Esophagus 2022-09-24

Smoking and drinking habits as well family history were examined in 143 men with esophageal cancer, including 30 who had associated second cancers of the upper aerodigestive tract (UADT) 113 did not. The risk UADT main lesions esophagus was evaluated, using odds ratios (ORs). As a result, ORs for current smoking 5.3 7.6 respectively. significantly increased to 12.7 14.7 heavy smokers drinkers Furthermore, cancer also (8-fold) patients close relatives compared those without any cancer....

10.1002/ijc.2910580211 article EN International Journal of Cancer 1994-07-15

Immunohistochemistry staining of p53 is a cheap and simple method to detect aberrant function p53. However, there are some discrepancies between the result immunohistochemistry mutation analysis. This study attempted find new definition by its pattern. TP53 gene analysis were performed in 148 gastric cancer patients. Also SNP-CGH array was conducted four cases. Positive observed 88 (59.5%) tumors. Tumors with positive showed malignant features compared negative Mutation 29 (19.6%) tumors...

10.1002/cam4.346 article EN cc-by Cancer Medicine 2014-10-30

Neuroendocrine carcinoma (NEC) of the esophagus is a rare and highly aggressive disease but biological features are poorly understood. The objective this study was to analyze clinicopathological immunohistochemical NEC esophagus.Fourteen patients diagnosed with from 1998 2013 were included in study. Clinicopathologic features, therapeutic outcomes results analyzed.Eleven out 14 cases showed protruding or localized type without ulceration. Only three negative for both lymph node organ...

10.1371/journal.pone.0173501 article EN cc-by PLoS ONE 2017-03-13

Both internal and external oxidative stresses act on DNA can induce carcinogenesis. 8-hydroxydeoxyguanosine (8-OHdG) is an indicator of stress it leads to transversion mutations 8-OHdG excision-repaired by glycosylase (OGG1). The purpose this study clarify the effect damage repair enzymes esophageal levels OGG1 were immunohistochemically evaluated in resected specimens, including squamous cell carcinoma (SCC) 97 patients with cancer. Higher normal epithelium associated a higher smoking index...

10.1111/dote.12107 article EN Diseases of the Esophagus 2013-08-01
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