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Oral Cancers: Molecular Basis and Treatment Targets

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 992

Special Issue Editors


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Guest Editor
1. Division of Population and Biological Sciences, School of Dentistry, UCLA, Los Angeles, CA 90095-1668, USA
2. Division of Hematology and Oncology, The David Geffen School of Medicine, UCLA, Los Angeles, CA 90095-1668, USA
3. Jonsson Comprehensive Cancer Center, The David Geffen School of Medicine, UCLA, Los Angeles, CA 90095-1668, USA
Interests: molecular carcinogenesis; viral oncology; aging and cell senescence; atherosclerosis and inflammation; periodontitis and the development of atherosclerosis and Alzheimer disease

E-Mail Website
Guest Editor
1. Division of Oral and Systemic Health Sciences, School of Dentistry, UCLA, Los Angeles, CA 90095-1668, USA
2. Jonsson Comprehensive Cancer Center, The David Geffen School of Medicine, UCLA, Los Angeles, CA 90095-1668, USA
Interests: molecular mechanisms of oral carcinogenesis; molecular regulation of cancer stem cell genesis and maintenance; molecular mechanisms of cellular senescence and aging; therapeutic application of dental mesenchymal stem cells

Special Issue Information

Dear Colleagues,

Human oral squamous cell carcinoma (HOSCC) is one of the most serious growing worldwide epidemic problems. Tobacco smoking, alcohol consumption, “high-risk” human papillomaviruses (HPVs), and certain bacterial infections are important risk factors for HOSCC. Surgical treatment, often followed by radiotherapy and chemotherapy, is the mode of treatment for HOSCC. Unfortunately, recurrence, metastasis, and severe morbidity are frequent problems after treatment. The 5-year survival for HOSCC is ~50%, which has remained unchanged over the past decade. Moreover, the 5-year survival rate drastically reduces to 35% with the nodal metastasis of cancer cells. Furthermore, the incidence of oropharyngeal cancer associated with HPV infections has been alarmingly elevated among young adults. Thus, identifying and understanding the mechanisms that govern the initiation, progression, and metastasis of HOSCC are imperative, which will result in new directions in HOSCC therapy. We are pleased to invite investigators to submit either original research or review articles to this Special Issue to update the molecular basis of the initiation, progression, metastasis, and treatment of HOSCC.

Prof. Dr. No-Hee Park
Dr. Ki-Hyuk Shin
Guest Editors

Manuscript Submission Information

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Keywords

  • carcinogenesis
  • cancer stem cells
  • cancer metabolism
  • radio-chemoresistant
  • metastasis
  • immunotherapy

Published Papers (1 paper)

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Research

12 pages, 2646 KiB  
Article
Difference between Keratinized- and Non-Keratinized-Originating Epithelium in the Process of Immune Escape of Oral Squamous Cell Carcinoma
by Yoshiaki Kitsukawa, Chonji Fukumoto, Toshiki Hyodo, Yuske Komiyama, Ryo Shiraishi, Aya Koike, Shuma Yagisawa, Yosuke Kunitomi, Tomonori Hasegawa, Wataru Kotani, Kazuyuki Ishida, Takahiro Wakui and Hitoshi Kawamata
Int. J. Mol. Sci. 2024, 25(7), 3821; https://doi.org/10.3390/ijms25073821 - 29 Mar 2024
Viewed by 729
Abstract
Immune checkpoint inhibitors (ICIs), including anti-programmed cell death 1 ligand 1 (PD-L1) antibodies, are significantly changing treatment strategies for human malignant diseases, including oral cancer. Cancer cells usually escape from the immune system and acquire proliferative capacity and invasive/metastatic potential. We have focused [...] Read more.
Immune checkpoint inhibitors (ICIs), including anti-programmed cell death 1 ligand 1 (PD-L1) antibodies, are significantly changing treatment strategies for human malignant diseases, including oral cancer. Cancer cells usually escape from the immune system and acquire proliferative capacity and invasive/metastatic potential. We have focused on the two immune checkpoints, PD-1/PD-L1 and CD47/SIRPα, in the tumor microenvironment of oral squamous cell carcinoma (OSCC), performed a retrospective analysis of the expression of seven immune-related factors (PD-L1, PD-1, CD4, CD8, CD47, CD56 and CD11c), and examined their correlation with clinicopathological status. As a result, there were no significant findings relating to seven immune-related factors and several clinicopathological statuses. However, the immune checkpoint-related factors (PD-1, PD-L1, CD47) were highly expressed in non-keratinized epithelium-originated tumors when compared to those in keratinized epithelium-originated tumors. It is of interest that immunoediting via immune checkpoint-related factors was facilitated in non-keratinized sites. Several researchers reported that the keratinization of oral mucosal epithelia affected the immune response, but our present finding is the first study to show a difference in tumor immunity in the originating epithelium of OSCC, keratinized or non-keratinized. Tumor immunity, an immune escape status of OSCC, might be different in the originating epithelium, keratinized or non-keratinized. Full article
(This article belongs to the Special Issue Oral Cancers: Molecular Basis and Treatment Targets)
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