Patents by Inventor Wanqing Xu

Wanqing Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230082296
    Abstract: The present disclosure discloses a strain of Lactobacillus fermentum capable of preventing and/or treating periodontitis and an application thereof, belonging to the field of microbiology technology. The present disclosure has screened to obtain a strain of L. fermentum CCFM1139. The L. fermentum CCFM1139 can alleviate periodontitis by inhibiting formation of mixed bacterial biofilms of Porphyromonas gingivalis, Prevotella intermedia and Fusobacterium nucleatum, thereby reducing the amount of biofilm by 52.45%, and can reduce the content of TNF-? from 131.37 pg/mL to 83.31 pg/mL and IL-8 from 147.70 pg/mL to 121.12 pg/mL in a periodontitis cell model, reduce colonization of the P. gingivalis and the F. nucleatum in the oral cavity by 1-2 orders of magnitude, and reduce the amount of the alveolar bone resorption from 1838.0 ?m to 805.7 ?m.
    Type: Application
    Filed: October 27, 2022
    Publication date: March 16, 2023
    Inventors: Wei CHEN, Qiuxiang Zhang, Wanqing Xu, Wenwei Lu, Hao Zhang, Jianxin Zhao
  • Patent number: D909689
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: February 2, 2021
    Inventor: Wanqing Xu