User profiles for NAOKI UMEMURA

Naoki Umemura

Senior Lecturer
Verified email at dent.asahi-u.ac.jp
Cited by 1306

Tumor-infiltrating myeloid-derived suppressor cells are pleiotropic-inflamed monocytes/macrophages that bear M1-and M2-type characteristics

N Umemura, M Saio, T Suwa, Y Kitoh… - Journal of Leucocyte …, 2008 - academic.oup.com
Here, tumor-infiltrating CD11b + myelomonocytoid cells in murine colon adenocarcinoma-38
and GL261 murine glioma were phenotypically characterized. Over 90% were of the …

Depletion of CD4+CD25+ regulatory T cells enhances interleukin‐2‐induced antitumor immunity in a mouse model of colon adenocarcinoma

H Imai, M Saio, K Nonaka, T Suwa, N Umemura… - Cancer …, 2007 - Wiley Online Library
Interleukin 2 (IL)‐2 induces antitumor immunity and clinical responses in melanoma and renal
cell carcinoma. However, IL‐2 also increases the number of CD4 + CD25 + regulatory T (…

Alteration of metabolomic profiles by titanium dioxide nanoparticles in human gingivitis model

R Garcia-Contreras, M Sugimoto, N Umemura… - Biomaterials, 2015 - Elsevier
Although nanoparticles (NPs) has afforded considerable benefits in various fields of sciences,
several reports have shown their harmful effects, suggesting the necessity of adequate …

[HTML][HTML] Immunomodulatory aspects in the progression and treatment of oral malignancy

N Kondoh, M Mizuno-Kamiya, N Umemura… - … Dental Science Review, 2019 - Elsevier
Inflammation substantially affects the risk of oral malignancy. Pro-inflammatory cytokine,
interferon (IFN)-γ, confers anti-tumor activity using several different mechanisms. Conversely, …

[HTML][HTML] Hyaluronan induces odontoblastic differentiation of dental pulp stem cells via CD44

N Umemura, E Ohkoshi, M Tajima, H Kikuchi… - Stem Cell Research & …, 2016 - Springer
Background Dental pulp tissue contains many undifferentiated mesenchymal cells, which
retain the ability to differentiate into mature cells. Induced pluripotent stem cells have been …

Defective NF-κB signaling in metastatic head and neck cancer cells leads to enhanced apoptosis by double-stranded RNA

N Umemura, J Zhu, YK Mburu, A Forero, PN Hsieh… - Cancer research, 2012 - AACR
Ligands to several Toll-like receptors (TLR), which mediate innate immune responses and
chronic inflammation have been used as adjuvants to immunotherapy to enhance their …

1-(3-Aminomethyl-4-hydroxyphenyl)-3-pyridinyl-2-propen-1-ones: a novel group of tumour-selective cytotoxins

…, E Mete, U Das, H Sakagami, N Umemura… - Journal of enzyme …, 2013 - Taylor & Francis
Two series of 1-(3-aminomethyl-4-hydroxyphenyl)-3-pyridinyl-2-propen-1-ones, designed
as novel cytotoxins, were synthesized. The compounds had low CC 50 values in the …

Shikonin induces odontoblastic differentiation of dental pulp stem cells via AKT–mTOR signaling in the presence of CD44

K Kajiura, N Umemura, E Ohkoshi, T Ohta… - Connective Tissue …, 2021 - Taylor & Francis
Purpose: In our previous study, we demonstrated that hyaluronan induces odontoblastic
differentiation of dental pulp stem cells via interactions with CD44. However, it remains unclear …

[HTML][HTML] ABCG2, CD44 and SOX9 are increased with the acquisition of drug resistance and involved in cancer stem cell activities in head and neck squamous cell …

K Murakami, N Umemura… - Experimental and …, 2022 - spandidos-publications.com
Cancer stem cells are a sub‑population of cancer cells with self‑renewal activity that play key
roles in tumor resistance to chemotherapy and radiation. Several cancer stem cell markers …

Synthesis and biological evaluation of 1, 5-bis (4-hydroxy-3-methoxyphenyl) penta-1, 4-dien-3-one and its aminomethyl derivatives

…, HI Gul, H Sakagami, N Umemura - Journal of Enzyme …, 2015 - Taylor & Francis
Aminomethyl derivatives of 1,5-bis(4-hydroxy-3-methoxyphenyl)penta-1,4-dien-3-one, designed
as new cytotoxins, were synthesized and evaluated in terms of their cytotoxic activities. …