TLR9 activation induces immunosuppression and tumorigenesis via PARP1/PD-L1 signaling pathway in oral squamous cell carcinoma

Author:

Ma Liwei1234,Qin Niuyu123,Wan Wendong523,Song Saiwen523,Hua Siqi523,Jiang Canhua5234,Li Ning5234,Huang Long5234,Gao Xing52364ORCID

Affiliation:

1. Department of Oral Medicine, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China

2. Center of Oral and Maxillofacial Cancer (COMAC), Xiangya Hospital, Central South University, Changsha, Hunan, China

3. Institute of Oral Cancer and Precancerous Lesions, Central South University, Changsha, Hunan, China

4. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China

5. Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China

6. Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha, Hunan, China

Abstract

In this research, we took PARP1 as the key target to explore its regulatory effect on oral squamous cell carcinoma (OSCC). The key molecular mechanisms involved in its upstream and downstream regulation were elucidated in OSCC cell lines in vitro and tumor-bearing mice in vivo, combined with clinical OSCC tissues.

Funder

Fellowship of China Postdoctoral Science Foundation

Natural Science Foundation of Hunan Province

MOST | National Natural Science Foundation of China

Publisher

American Physiological Society

Subject

Cell Biology,Physiology

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