一种抗原表位肽及其制备的牙鲆黏蛋白Muc13特异性抗体

By preparing a Muc13-specific antibody for turbot, the problem of recognizing Muc13 protein in fish was solved, enabling specific labeling and localization of mucus cells, and promoting research on mucosal immune defense and disease control in fish.

CN122103300BActive Publication Date: 2026-07-17OCEAN UNIV OF CHINA

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
OCEAN UNIV OF CHINA
Filing Date
2026-04-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Current technologies lack antibodies that can specifically recognize fish Muc13 protein, making it difficult to accurately locate and quantify fish Muc13 at the protein level, which hinders the research progress on fish mucosal immune defense mechanisms.

Method used

Muc13-specific antibodies against turbot were prepared by screening B-cell antigenic epitope peptides and conjugating them with a vector, and then immunizing animals to prepare monoclonal antibodies for tracing Muc13-positive mucous cells in mucosal tissues.

Benefits of technology

This study enabled the specific labeling and localization of mucus cells, allowing for in-depth exploration of the function of mucus cells in the mucosal immune defense of turbot, and providing an important tool for fish immunology research and disease control.

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Abstract

本发明提供一种抗原表位肽及其制备的牙鲆黏蛋白Muc13特异性抗体,通过抗原表位筛选,确定了一个来源于牙鲆Muc13蛋白的B细胞表位,其序列为PGTTEEPDPTAGSPP。将该表位与KLH载体蛋白偶联后,用于免疫新西兰大白兔,成功获得了兔源抗牙鲆Muc13特异性抗体。该抗体可特异性识别牙鲆黏膜组织中的Muc13蛋白以及Muc13阳性黏液细胞,为深入探究黏液细胞在鱼类黏膜免疫应答过程中的功能机制提供了关键的检测手段。
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