四川大学华西口腔医学院口腔医学博士，美国宾夕法尼亚大学附属Monell化学感官研究中心访问学者。现任四川大学华西口腔医院副教授，硕士研究生导师，四川省口腔医学会牙体牙髓病学专委会青年委员，担任《口腔疾病防治》青年编委。以第一/通讯作者身份发表论文12余篇，包括Nat Commun、Cancer Res、J Dent Res等国际知名学术期刊，主持国家自然科学基金2项、省部级科研基金2项；获IADR Joseph Lister青年学者入围奖、中华口腔医学会新锐之星奖及青年科学家最具潜力奖等。代表性论著：1. Xin Zheng; Marco Tizzano; Kevin Redding; Jinzhi He; Xian Peng; Peihua Jiang; Xin Xu; Xuedong Zhou; Robert F. Margolskee; Gingival Solitary Chemosensory Cells are Immune Sentinels for Periodontitis， Nature Communications， 2019， 10(1): 4496.2. Xin Zheng; Rui Liu; Chenchen Zhou; Haopeng Yu; Wanyi Luo; Jianhui Zhu; Jiaxin Liu; Zhe Zhang; Na Xie; Xian Peng; Xin Xu; Lei Cheng; Quan Yuan; Canhua Huang; Xuedong Zhou; ANGPTL4-Mediated Promotion of Glycolysis Facilitates the Colonization of Fusobacterium nucleatum in Colorectal Cancer， Cancer research， 2021， 81(24): 6157-6170.3. Xin Zheng; Jianhui Zhu; Jiaxin Liu; Hong Wang; Yumei Qin; Peihua Jiang; Li Xiao; Tao Gong; Yuqing Li; Xian Peng; Xin Xu; Lei Cheng; Liquan Huang; Qianming Chen; Xuedong Zhou; Robert F. Margolskee; Sweet taste perception in mice is blunted by PTBP1-regulated skipping of Tas1r2 exon 4， Chemical Senses， 2022， 47: bjac034.4. Xin Zheng; Xinqun Cheng; Lin Wang; Wei Qiu; Shida Wang; Yuan Zhou; Mingyun Li; Yuqing Li; Lei Cheng; Jiyao Li; Xuedong Zhou; Xin Xu; Combinatorial Effects of Arginine and Fluoride on Oral Bacteria， Journal of Dental Research， 2015， 94(2): 344-353.5. Xin Zheng; Keke Zhang; Xuedong Zhou; Chengcheng Liu; Mingyun Li; Yuqing Li; Renke Wang; Yan Li; Jiyao Li; Wenyuan Shi; Xin Xu; Involvement of gshAB in the Interspecies Competition within Oral Biofilm， Journal of Dental Research， 2013， 92(9): 819-824.