Smooth muscle matrix bioink promotes myogenic differentiation of encapsulated adipose-derived stem cells. 2022

Sriya Yeleswarapu, and Shibu Chameettachal, and Ashis Kumar Bera, and Falguni Pati
Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, India.

Hydrogels derived from decellularized extracellular matrices (dECM) can mimic the biochemical composition of the native tissue. They can also act as a template to culture reseeded cells in vitro. However, detergent-based decellularization methods are known to alter the biochemical compositions, thereby compromising the bioactive potential of dECM. This study proposes a facile detergent-free method to achieve dECM from smooth muscle tissue. We have used the muscle layer of caprine esophageal tissue and decellularized using hypo and hyper-molar sodium chloride solutions alternatingly. Then, a hydrogel was prepared from this decellularized smooth muscle matrix (dSMM) and characterized thoroughly. A comparative analysis of the dSMM prepared with our protocol with the existing detergent-based protocol suggests successful and comparable decellularization with minimal residual DNA content. Interestingly, an 8.78-fold increase in sulfated glycosaminoglycans content and 1.62-fold increased collagen content indicated higher retention of ECM constituents with NaCl-based decellularization strategy. Moreover, the dSMM gel induces differentiation of the encapsulated adipose-derived mesenchymal stem cells toward smooth muscle cells (SMCs) as observed by their expression of alpha-smooth muscle actin and smooth muscle myosin heavy chain, the hallmarks of SMCs. Finally, we optimized the process parameter for productive bioprinting with this dSMM bioink and fabricated 3D muscle constructs. Our results suggest that dSMM has the potential to be used as a bioink to engineer personalized esophageal tissues.

UI MeSH Term Description Entries
D009130 Muscle, Smooth Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed) Muscle, Involuntary,Smooth Muscle,Involuntary Muscle,Involuntary Muscles,Muscles, Involuntary,Muscles, Smooth,Smooth Muscles
D005109 Extracellular Matrix A meshwork-like substance found within the extracellular space and in association with the basement membrane of the cell surface. It promotes cellular proliferation and provides a supporting structure to which cells or cell lysates in culture dishes adhere. Matrix, Extracellular,Extracellular Matrices,Matrices, Extracellular
D006041 Goats Any of numerous agile, hollow-horned RUMINANTS of the genus Capra, in the family Bovidae, closely related to the SHEEP. Capra,Capras,Goat
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D054457 Tissue Scaffolds Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed solid support matrices for cell attachment in TISSUE ENGINEERING and GUIDED TISSUE REGENERATION uses. Tissue Scaffolding,Scaffold, Tissue,Scaffolding, Tissue,Scaffoldings, Tissue,Scaffolds, Tissue,Tissue Scaffold,Tissue Scaffoldings
D059630 Mesenchymal Stem Cells Mesenchymal stem cells, also referred to as multipotent stromal cells or mesenchymal stromal cells are multipotent, non-hematopoietic adult stem cells that are present in multiple tissues, including BONE MARROW; ADIPOSE TISSUE; and WHARTON JELLY. Mesenchymal stem cells can differentiate into mesodermal lineages, such as adipocytic, osteocytic and chondrocytic. Adipose Tissue-Derived Mesenchymal Stem Cell,Adipose Tissue-Derived Mesenchymal Stromal Cell,Adipose-Derived Mesenchymal Stem Cell,Bone Marrow Mesenchymal Stem Cell,Mesenchymal Stromal Cell,Mesenchymal Stromal Cells,Multipotent Bone Marrow Stromal Cell,Multipotent Mesenchymal Stromal Cell,Adipose Tissue-Derived Mesenchymal Stem Cells,Adipose Tissue-Derived Mesenchymal Stromal Cells,Adipose-Derived Mesenchymal Stem Cells,Adipose-Derived Mesenchymal Stromal Cells,Bone Marrow Mesenchymal Stem Cells,Bone Marrow Stromal Cell,Bone Marrow Stromal Cells,Bone Marrow Stromal Cells, Multipotent,Bone Marrow Stromal Stem Cells,Mesenchymal Progenitor Cell,Mesenchymal Progenitor Cells,Mesenchymal Stem Cell,Mesenchymal Stem Cells, Adipose-Derived,Mesenchymal Stromal Cells, Multipotent,Multipotent Bone Marrow Stromal Cells,Multipotent Mesenchymal Stromal Cells,Stem Cells, Mesenchymal,Wharton Jelly Cells,Wharton's Jelly Cells,Adipose Derived Mesenchymal Stem Cell,Adipose Derived Mesenchymal Stem Cells,Adipose Derived Mesenchymal Stromal Cells,Adipose Tissue Derived Mesenchymal Stem Cell,Adipose Tissue Derived Mesenchymal Stem Cells,Adipose Tissue Derived Mesenchymal Stromal Cell,Adipose Tissue Derived Mesenchymal Stromal Cells,Mesenchymal Stem Cells, Adipose Derived,Progenitor Cell, Mesenchymal,Progenitor Cells, Mesenchymal,Stem Cell, Mesenchymal,Stromal Cell, Mesenchymal,Stromal Cells, Mesenchymal,Wharton's Jelly Cell,Whartons Jelly Cells
D020100 Hydrogels Water swollen, rigid, 3-dimensional network of cross-linked, hydrophilic macromolecules, 20-95% water. They are used in paints, printing inks, foodstuffs, pharmaceuticals, and cosmetics. (Grant & Hackh's Chemical Dictionary, 5th ed) Hydrogel,In Situ Hydrogel,In Situ Hydrogels,Patterned Hydrogel,Patterned Hydrogels,Hydrogel, In Situ,Hydrogel, Patterned
D023822 Tissue Engineering Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired organs. The use of TISSUE SCAFFOLDING enables the generation of complex multi-layered tissues and tissue structures. Engineering, Tissue

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