一种用于人体P / Q型VGCC自身抗体检测的蛋白质及应用

By constructing overexpression vectors and cell lines containing the correct antigenic epitopes, screening out important fragments, and combining them with recombinant peptides for detection, the problems of insufficient sensitivity and poor specificity in the detection of P/Q type VGCC autoantibodies in existing technologies have been solved, achieving highly accurate LEMS disease detection.

CN122103307BActive Publication Date: 2026-07-17HANGZHOU HONGWANG BIOTECHNOLOGY CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HANGZHOU HONGWANG BIOTECHNOLOGY CO LTD
Filing Date
2026-04-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing methods for detecting P/Q type VGCC autoantibodies suffer from insufficient sensitivity, poor specificity, unstable antigen activity, and cumbersome preparation procedures, which limit the effectiveness of early screening and diagnosis of LEMS disease.

Method used

By constructing overexpression vectors and cell lines containing the correct antigenic epitopes, we screened out important fragments that mediate autoimmune responses, designed six truncated variants covering the entire sequence, and combined them with recombinant peptides for detection, achieving highly sensitive and specific antibody detection.

Benefits of technology

It significantly improves the detection accuracy of P/Q type VGCC autoantibodies, providing a reliable basis for early screening, diagnosis and disease monitoring of LEMS, improving the entire diagnosis and treatment process, and enhancing the sensitivity and specificity of the test.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122103307B_ABST
    Figure CN122103307B_ABST
Patent Text Reader

Abstract

本发明公开了一种用于人体P / Q型VGCC自身抗体检测的蛋白质及应用,涉及自身抗体检测技术领域,所述蛋白质为VGCC6蛋白质,其氨基酸序列如SEQ ID NO:6所示。针对Lambert‑Eaton肌无力综合征等与该抗体相关疾病的临床诊断需求,为临床疾病的早期筛查、确诊及病情监测提供有力支撑,填补现有检测技术短板,推动相关自身免疫性疾病诊疗水平的提升。
Need to check novelty before this filing date? Find Prior Art