Tight junction formation accelerator

Product name

Bird’s Nest Extract

Title of invention

Tight junction formation accelerator

Patent number

6358692

Date of filing

April 19, 2013

Date of grant

June 29, 2018

Summary

Problem to be solved: To provide a novel tight junction formation accelerator. Solution: The features of the invention are as follows: (1) A tight junction formation accelerator that contains bird’s nest extract as an active component. (2) A claudin-1 protein expression promoter that contains bird’s nest extract as an active component. (3) A claudin-1 gene expression promoter that contains bird’s nest extract as an active component. (4) A claudin-4 protein expression promoter that contains bird’s nest extract as an active component. (5) A claudin-4 gene expression promoter that contains bird’s nest extract as an active component.

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