Tonsillar Organoid Culture Medium for Human-Specific Pathophysiology Models
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Solution Overview
Problem
Current methods lack an effective ex vivo model for studying the pathophysiology of tonsils, as existing animal models and previous studies fail to accurately replicate the human tonsil environment, including its cellular composition and microstructure.
Innovation Solution
A tonsillar organoid preparation medium (Tonsil Expansion Medium, TEM) is developed, which includes Hepatocyte Growth Factor (HGF) and excludes 4-[4-(4-Fluorophenyl)-5-(4-pyridinyl)-1H-imidazol-2-yl]phenol, allowing for the cultivation of tonsil organoids that express relevant markers and maintain essential tonsil epithelial functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional animal models are used to study tonsil pathophysiology, then research can be conducted, but the model cannot accurately replicate human tonsil cellular composition and microstructure
Solution Approach 1:
The patent creates a human tonsil organoid model that copies the cellular composition, microstructure, and functional characteristics of human tonsils. The organoid system replicates human tonsil epithelial cells, immune cells, and tissue architecture, providing an accurate human-specific model for pathophysiology research without using animal models.
2Ease of manufacture
If existing organoid culture methods are used, then epithelial tissue models can be generated, but tonsil-specific functions and cellular composition are not maintained
Solution Approach 1:
The patent optimizes culture medium parameters including specific concentrations of growth factors (EGF, FGF7, FGF10, HGF), cytokines (IL-6, TNF-α), and supplements (B27, N2) to maintain tonsil epithelial cell functions. The culture conditions are tuned to preserve TLR expression, cellular composition, and microstructure specific to tonsil tissue.
Solution Approach 2:
The culture medium uses a composite formulation combining multiple growth factors, cytokines, and supplements work together to support tonsil epithelial cell proliferation and function. The medium integrates various biological components that collectively maintain the specialized properties of tonsil tissue.
3Duration of action of moving object
If tonsil organoids are cultured long-term, then sufficient material for research is obtained, but cellular composition and microstructure may deteriorate
Solution Approach 1:
The patent establishes continuous culture protocols that maintain tonsil organoid viability and functionality over multiple passages. The optimized medium composition and culture conditions enable sustained production of research-quality organoids while preserving cellular composition and microstructure throughout long-term cultivation.
Data Source
AI summary
The present invention relates to a tonsillar organoid preparation method and use thereof, which provides a tonsillar organoid preparation medium comprising a Hepatocyte Growth Factor (HGF) and not comprising a 4-[4-(4-Fluorophenyl)-5-(4-pyridinyl)-1H-imidazol-2-yl]phenol in a Tonsil Formation Medium (TFM). This enables long-term subculture of tonsil organoids that show the same physiological activity as that of a real tonsil tissue.