Dendrobium Polysaccharides Inhibit Airway Remodeling
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Solution Overview
Problem
Current treatments for allergic diseases such as asthma, pollen allergy, and atopic dermatitis are inadequate in effectively reducing inflammation and airway remodeling, and there is a need for a more reliable therapeutic option that can alleviate symptoms and improve quality of life for affected individuals.
Innovation Solution
Polysaccharides isolated from Dendrobium Herba, prepared through a process involving soaking, extraction, and precipitation, are administered orally to treat allergic diseases by reducing inflammation, airway remodeling, and modulating the immune response, including increasing T regulatory cells and decreasing IgE levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current treatments for allergic diseases are used, then symptoms can be managed to some extent, but they are inadequate in effectively reducing inflammation and airway remodeling
Solution Approach 1:
The patent applies parameter changes by utilizing polysaccharides with specific molecular weight ranges (50-500 kDa) and specific structural characteristics from Dendrobium officinale. These parameter specifications optimize the therapeutic effect on reducing inflammation and airway remodeling, directly addressing the inadequacy of current treatments.
Solution Approach 2:
The patent employs composite materials by using complex polysaccharide structures consisting of multiple sugar units (glucose, galactose, mannose) with specific ratios and bonding patterns. This composite structure enhances the therapeutic effectiveness in reducing inflammation and airway remodeling compared to simpler compounds.
2Reliability
If polysaccharides from Dendrobium are administered, then allergic disease symptoms are effectively treated and quality of life improves, but the treatment mechanism involves complex immune system modulation
Solution Approach 1:
The polysaccharides act as intermediaries that modulate the immune system by increasing T regulatory cells and decreasing IgE levels. This intermediary mechanism bridges the gap between administration and therapeutic effect, effectively treating allergic diseases while providing a measurable pathway for immune modulation.
3Quantity of substance
If polysaccharides are extracted from Dendrobium Herba, then effective treatment compounds are obtained, but the extraction process requires multiple steps including soaking, extraction, and precipitation
Solution Approach 1:
The extraction process is segmented into distinct sequential steps: soaking Dendrobium Herba in alcohol, removing alcohol to produce a prepared material, extracting with water, adding alcohol for precipitation, and collecting polysaccharides. This segmentation allows each step to be optimized independently while maintaining overall efficiency and polysaccharide yield.
Solution Approach 2:
The patent applies extraction principles by using alcohol soaking to remove unwanted components first, then water extraction to obtain polysaccharides, and finally alcohol precipitation to isolate the pure polysaccharide product. This systematic extraction approach maximizes the quantity of active polysaccharides while removing impurities.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The polysaccharides significantly reduce airway hyperresponsiveness, eosinophil counts, and IgE levels, thereby alleviating symptoms of asthma and allergic conjunctivitis, and improving quality of life by inhibiting airway remodeling and immune system dysregulation.
Implementation Method 1
mixing the aqueous solution with a second alcohol (e.g., 50% ethanol by volume) to allow precipitation of polysaccharides
Data Source
Figure 1~13
Figure 3A~3C
Figure 4A~4E
AI summary
The present invention relates to polysaccharides obtained from Dendrobium for treating an allergic disease and/or for reducing airway-remodeling caused by inflammation.