Zhen Cai

Title: Zhen Cai - Innovator in Nanotechnology

Introduction

Zhen Cai is an accomplished inventor based in Beijing, China. He is currently associated with Beijing Nanopep Biotech Corporation, Ltd. Zhen Cai has made significant contributions to the field of nanotechnology, particularly in the development of polypeptide magnetic nanoparticles.

Latest Patent Applications

Zhen Cai's notable patent application is titled "Polypeptide Magnetic Nanoparticle, Preparation Method Therefor and Use Thereof." This innovative polypeptide magnetic nanoparticle comprises a specific targeting polypeptide and a magnetic nanoparticle. The amino acid sequence of the specific targeting polypeptide is VRRDAPRFSMQGLDA-X, where the C-terminal X consists of a sequence of 5 to 20 amino acids. The amino acids in the C-terminal X are selected from one or more of the following: C, G, and N. This polypeptide magnetic nanoparticle is designed for circulating tumor cell (CTC) detection and molecular typing of various cancer types, including esophageal cancer, liver cancer, lung cancer, stomach cancer, bladder cancer, skin cancer, melanoma, breast cancer, colorectal cancer, and cervical cancer. The biomarkers for CTC molecular typing include PD-L1, HER2, ER, PR, AR, EGFR, VEGFR, and CXCR4. The polypeptide magnetic nanoparticle aids in CTC detection and allows for qualitative and semiquantitative analysis of biomarker expression levels at the CTC level. This technology facilitates precise therapies, such as targeted individualized therapy or immunotherapy for patients.

Conclusion

Zhen Cai is a prominent figure in the field of nanotechnology, with a focus on innovative solutions for cancer detection and treatment. His work on polypeptide magnetic nanoparticles showcases his commitment to advancing medical technology and improving patient outcomes.