The present disclosure provides use of neurokinin 1 receptor (NK1R) as a marker for identifying and/or isolating multipotential cells. The present disclosure provides cell populations enriched by methods of the present disclosure and therapeutic uses of these cells and agents derived from these cells.

The present disclosure relates to composition comprising pooled and expanded allogeneic mesenchymal Stromal cells (MSCs) and a method for management of Ischemia using the composition thereof. In particular, the disclosure relates to bone marrow derived pooled and expanded allogeneic MSC compositions with effective dosage ranges and modes/route of administration for effective management of Ischemia. The disclosure also relates to the use of conditioned medium rich in bioactive factors in combination with the cell composition for managing ischemic conditions.

The inventive subject matter relates to methods for treating a T-cell deficiency in a subject in need thereof, comprising administering to said subject a T-cell precursor isolated from an allogeneic donor, provided that said allogeneic donor is not MHC-matched to said subject. The inventive methods can be further enhanced by genetic engineering for targeted immunotherapy.

Transient MLLT3 overexpression in culture may be used to expand human HSCs in vitro, and thereby improve the efficiency and safety of HSC transplantation.

Disclosed herein are methods and compositions for the use of marrow adherent stem cells and their descendents; e.g., bone marrow-derived neural regenerating cells; for provision of angiogenic factors to cells. In certain embodiments, provision of angiogenic factors to sites of neural degeneration stimulates growth and/or survival of host neurons.

The inventive subject matter relates to methods for treating a T-cell deficiency in a subject in need thereof, comprising administering to said subject a T-cell precursor isolated from an allogeneic donor, provided that said allogeneic donor is not MHC-matched to said subject. The inventive methods can be further enhanced by genetic engineering for targeted immunotherapy.

Embodiments of the present disclosure concern systems, methods, and compositions for both in vitro and in vivo models of metastases, such as bone metastases. In specific embodiments, there is a system comprising a source of bone cells, such as osteoblasts, and a source of cancer cells, wherein the bone cells and cancer cells are configured in a chamber or on a chick chorioallantoic membrane such that interaction between the cells is determined. In specific embodiments, the bone cells are comprised in an organoid comprising both mesenchymal stem cells and osteoblasts (although a naturally derived bone scaffold may be employed), and the cancer cells are comprised in an organoid comprising mesenchymal stem cells and the cancer cells.

This disclosure relates to methods and systems for generating T cell precursors from hematopoietic stem and progenitor cells (HSPCs) in vitro. This disclosure discloses thatbesides activation of the Notch signaling pathwayactivation of tumor necrosis factor receptor 2 (TNFR2) present on the HSPCs is crucial to maximize the generation of T cell precursors. Hence, this disclosure relates to methods and systems, such as artificial thymic organoid systems, wherein agonists for TNFR2, such as transmembrane tumor necrosis factor (tmTNF), are used to maximally generate T cell precursors. The latter T cell precursors are useful for immune reconstitution due to transplantation or immunodeficiency disorders and may be used to generate off-the-shelf chimeric antigen receptor T cells or T cell receptor engineered T cells for immunotherapeutic purposes.

Disclosed herein are methods and compositions for the use of marrow adherent stem cells and their descendants; e.g., bone marrow-derived neural regenerating cells; for provision of angiogenic factors to cells. In certain embodiments, provision of angiogenic factors to sites of neural degeneration stimulates growth and/or survival of host neurons.

Methods for generating enucleated erythroid cells using pluripotent stem cells are provided. The methods permit the production of large numbers of cells. The cells obtained by the methods disclosed may be used for a variety of research, clinical, and therapeutic applications. Methods for generating megakaryocyte and platelets are also provided.