Abstract: Described are systems, methods, and devices relating to normothermic extracorporeal support of an organ, tissue, or bioengineered graft comprising cross-circulation (XC) perfusion for prolonged periods (days to weeks) via an XC perfusion circuit in connection with an extracorporeal host (e.g., animal, patient, organ transplant recipient) are disclosed. The XC perfusion circuit comprises auto-regulation of blood flow based on the trans-organ blood pressure difference between arterial and venous pressure. Recipient support enabled 36 h of normothermic perfusion that maintained healthy lungs with no significant changes in physiologic parameters and allowed for the recovery of injured lungs. Extended support enabled multiscale therapeutic interventions in all extracorporeal lungs. Lungs exceeded transplantation criteria.

Abstract: A method of detecting or diagnosing squamous cancers in a sample from a subject, including isolating extracellular vesicles from the sample, wherein the extracellular vesicles are cancer specific.

Abstract: Disclosed are systems and methods for culturing systemic bioengineered tumor models, including osteosarcoma cells or breast adenocarcinoma cells derived from patients. The model includes the tumor cells on host tissues such as bone, liver, lung, and heart tissue, wherein the bone, liver, lung, and heart tissue are separated by endothelial barriers. Beneath the endothelial barriers the tissues are connected via circulation containing secreted factors and cells (e.g., tumor/immune cells).

Abstract: The present invention relates to a computer-vision based autonomous steerable catheter device and methods of using the same for targeted delivery of a liquid microvolume into the interior of a lung.

Abstract: The present disclosure relates to a pneumatic microfluidic platform for high-throughput studies of cardiac hypertrophy that enables repetitive (hundreds of thousands of times) and robust (over several weeks) manipulation of cardiac ?tissues. The platform is reusable for stable and reproducible mechanical stimulation of cardiac ?tissues (each containing only 500 cells). Heterotypic and homotypic ?tissues produced in the device were pneumatically loaded in a range of regimes, with real-time on-chip analysis of tissue phenotypes. Concentrated loading of the three-dimensional cardiac tissue faithfully recapitulated the pathology of volume overload seen in native heart tissue. Sustained volume overload of ?tissues was sufficient to induce pathological cardiac remodeling associated with upregulation of the fetal gene program, in a dose-dependent manner.

Abstract: An anatomically-shaped, human bone graft may be cultivated ex vivo using a bioreactor capable of perfusing large complex porous scaffolds. Scaffolds derived from image-based modeling of a target are seeded with human mesenchymal stem cells and cultivated. A bioreactor configured to house complex three-dimensional scaffold geometries provides controlled flow for perfusion of the cells. Dense uniform cellular growth can be attained throughout the entire scaffold as a result of the medium perfusion. In an embodiment, the bioreactor has a mold into which perfusion medium is pumped under pressure and multiple ports through which the medium exits the mold.

Abstract: An anatomically-shaped, human bone graft may be cultivated ex vivo using a bioreactor capable of perfusing large complex porous scaffolds. Scaffolds derived from image-based modeling of a target are seeded with human mesenchymal stem cells and cultivated. A bioreactor configured to house complex three-dimensional scaffold geometries provides controlled flow for perfusion of the cells. Dense uniform cellular growth can be attained throughout the entire scaffold as a result of the medium perfusion. In an embodiment, the bioreactor has a mold into which perfusion medium is pumped under pressure and multiple ports through which the medium exits the mold.

Abstract: A cardiac organoid containing 3-D matter of adult human heart tissue.

Abstract: Region-specific extracellular matrix (ECM) biomaterials are provided. Such materials include acellular scaffolds, sponges, solutions, and hydrogels suitable for stem cell culture.

Abstract: Disclosed is a method for identifying cell-type specific EV markers comprising culturing induced pluripotent stem cells (iPSCs) to provide a culture of a first differentiated cell type; isolating extracellular vesicles (EV)s from the culture of the differentiated cell type; generating a microscopic RNA (miRNA) expression profile for the differentiated cell type by next-generation sequencing; and identifying specific miRNA markers associated with the differentiated cells.

Abstract: A cardiac organoid containing 3-D matter of adult human heart tissue.

Abstract: Medical devices having engineered mechanically functional cartilage from adult human mesenchymal stem cells and method for making same.

Abstract: Disclosed are a biosealant system and method for treatment of a pulmonary air leak comprising applying the biosealant system to the locus of the air leak.

Abstract: A bioreactor is provided that permits engineering of multiple different tissues. The bioreactor has a series of flow paths that permit application of tissue-specific media while simultaneously innervating the various different tissues with a common media. The flow paths for the various medias are designed to prevent mixing of the various media as they simultaneously innervate the tissue.

Abstract: Medical devices having engineered mechanically functional cartilage from adult human mesenchymal stem cells and method for making same.

Abstract: The present invention provides processes for producing porous silk fibroin scaffold material. The porous silk fibroin scaffold can be used for tissue engineering. The porosity of the silk fibroin scaffolds described herein can be adjusted as to mimic the gradient of densities found in natural tissue. Accordingly, methods for engineering of 3-dimensional tissue, e.g. bone and cartilage, using the silk fibroin scaffold material are also provided.

Abstract: An integrated modular microphysiological system is provided which includes a two or more chambers and a vascular network which includes at least one channel. The chamber can be configured for culturing a tissue and includes a layer of endothelial cells which forms an endothelial barrier within the well. The endothelial barrier can be in fluid contact with at least one of the at least one channels in the vascular network. The endothelial barrier can also be in fluid contact with a fluid in the chamber.

Abstract: A system is provided for evaluating the function of the neuromuscular junction (NMJ) of a subject, which includes a platform including first and second culture chambers separated by a channel; the platform supporting a microtissue culture including: human skeletal myoblasts derived from the subject in the first chamber; a neurosphere derived from the subject, expressing an optogenetic protein in the second chamber, and a hydrogel in the channel to allow axonal sprouting and growth between the myoblasts and neurosphere. A light source is provided for optical stimulation pulses applied to the microtissue culture for activation of the optogenetic protein; and image recordation device for capturing images of the culture in response to the optical stimulation.

Abstract: A 3D decellularized bone scaffold seeded with cancer cells, such as prostate cancer cells or Ewing's sarcoma is provided. The three-dimensional includes Ewing's sarcoma (ES) tumor cells; and an engineered human bone scaffold. The engineered human bone scaffold further includes osteoblasts that secrete substance of the human bone, and osteoclasts that absorb bone tissue during growth and healing. The engineered human bone scaffold includes the tissue engineered three-dimensional model which recapitulates the osteolytic process. The engineered human bone scaffold is engineered by co-culturing of osteoblasts and osteoclasts. The osteoblast is produced by cell differentiation process from mesenchymal stem cells. The osteoclast is produced by cell differentiation from human monocytes, wherein the human monocytes are isolated from buffy coats.

Abstract: A perfusion bioreactor chamber for engineering a broad spectrum of tissues. The bioreactor allows controlled distribution of fluid through or around scaffolding materials of various shapes, structures and topologies during prolonged periods of cultivation.