Next-Generation Lung Tissue Engineering Platform

Publication ID: 24-11857697_0010_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Next-Generation Lung Tissue Engineering Platform,” Published Technical Disclosure No. 24-11857697_0010_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857697_0010_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,697.

Summary of the Inventive Concept

A revolutionary platform for generating 3-dimensional lung-like epithelium with enhanced SOX9 protein activity and SOX2+ protein activity, enabling personalized lung tissue models, real-time monitoring, and control of lung tissue development and maturation in vitro.

Background and Problem Solved

The original patent disclosed methods and systems for growing 3-dimensional lung-like epithelium, but it had limitations in terms of scalability, reproducibility, and control over lung tissue development. The new inventive concept addresses these limitations by introducing novel combinations of growth factors, signaling pathways, and bioengineered scaffolds to promote differentiation and expansion of lung progenitor cells.

Detailed Description of the Inventive Concept

The next-generation lung tissue engineering platform comprises a novel system for generating 3-dimensional lung-like epithelium with enhanced SOX9 protein activity and SOX2+ protein activity. This is achieved through the use of induced pluripotent stem cells, novel growth factor combinations, and bioengineered scaffolds that mimic the native lung microenvironment. The platform also includes a real-time monitoring and control system, enabling precise tracking of cellular differentiation, growth factor signaling, and tissue morphogenesis.

Novelty and Inventive Step

The new inventive concept introduces a novel combination of growth factors and signaling pathways, a novel protocol for reprogramming somatic cells, and a bioengineered scaffold designed to mimic the native lung microenvironment. These features are not obvious from the original patent and provide a significant improvement over the existing methods and systems.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of stem cells, such as embryonic stem cells or adult stem cells, or the incorporation of additional growth factors or small molecules to promote lung tissue development. Variations of the platform could also be developed for specific lung diseases or conditions, such as cystic fibrosis or chronic obstructive pulmonary disease.

Potential Commercial Applications and Market

The next-generation lung tissue engineering platform has significant commercial potential in the fields of regenerative medicine, drug discovery, and personalized medicine. The platform could be used to develop personalized lung tissue models for disease modeling, drug testing, and patient-specific therapy. The market for lung tissue engineering is expected to grow significantly in the coming years, driven by the increasing need for effective treatments for lung diseases and the potential for personalized medicine.

CPC Classifications

SectionClassGroup
A A61 A61L27/3895
A A61 A61K35/42
A A61 A61L27/3804
A A61 A61L27/3813
A A61 A61L27/3834
A A61 A61L27/3839
A A61 A61L27/3869
C C12 C12N5/0018
C C12 C12N5/0062
C C12 C12N5/0606
C C12 C12N5/0607
C C12 C12N5/0688
C C12 C12N5/0689
A A61 A61L2430/22
C C12 C12N2501/113
C C12 C12N2501/115
C C12 C12N2501/117
C C12 C12N2501/119
C C12 C12N2501/155
C C12 C12N2501/385
C C12 C12N2501/415
C C12 C12N2501/999
C C12 C12N2506/02
C C12 C12N2506/03
C C12 C12N2506/27
C C12 C12N2506/45
C C12 C12N2513/00

Field of Art

Regenerative medicine, stem cell biology, and tissue engineering, with specific focus on lung epithelial tissue development and differentiation techniques

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced degrees in bioengineering, molecular biology, or regenerative medicine, possessing expertise in stem cell manipulation, growth factor signaling, and 3D tissue culture techniques

Obviousness Rationale

A person of ordinary skill would recognize that the PTD represents a predictable extension of the source patent's core methodology for generating lung-like epithelium, utilizing known stem cell differentiation techniques and standard bioengineering approaches to enhance and modify the original patent's core concepts.

Obvious Combinations & Variations

Source Patent Element
NKX2.1+ ventral-anterior foregut spheroid tissue derived from pluripotent stem cells
PTD Variation
Personalized lung tissue model using patient-derived induced pluripotent stem cells
Obviousness Reasoning
Predictable variation using known reprogramming techniques and established stem cell differentiation protocols
Source Patent Element
Culturing cells with Wnt and FGF signaling pathway activators
PTD Variation
Novel combination of growth factors and small molecules to enhance lung progenitor cell differentiation
Obviousness Reasoning
Routine optimization of cell culture conditions using known signaling pathway modulation techniques
Source Patent Element
3-dimensional lung-like epithelium with SOX9 and SOX2+ protein activity
PTD Variation
Bioengineered scaffold designed to mimic native lung microenvironment
Obviousness Reasoning
Predictable engineering approach to improve tissue culture conditions using known biomaterial and tissue engineering principles
Source Patent Element
In vitro cell culture method for lung tissue development
PTD Variation
Real-time monitoring system for tracking cellular differentiation and tissue morphogenesis
Obviousness Reasoning
Obvious technological improvement using standard bioengineering monitoring and sensing techniques
Source Patent Element
Pluripotent stem cell-derived lung tissue generation
PTD Variation
Organoid generation method using embryonic stem cells and specialized growth factor combinations
Obviousness Reasoning
Routine extension of existing stem cell differentiation techniques to create more specialized tissue models
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857697 and the disclosed technical variations, a person of ordinary skill in the art would find the claimed innovations to be obvious extensions of existing lung tissue engineering methodologies, lacking the requisite non-obviousness for patent protection under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,697
TitleCompositions and methods for obtaining 3-dimensional lung-like epithelium and related uses thereof
Assignee(s)THE REGENTS OF THE UNIVERSITY OF MICHIGAN