Provided herein, inter alia, are methods and compositions for treating diabetes mellitus comprising co-transplantation of an insulin-producing cell and a cell derived from a parathyroid gland (PTG), a CD34+ cell derived from a parathyroid gland, a CD34+ cell derived from a stem cell, or other progenitor cell-derived CD34+ cell.

Provided herein, inter alia, are methods and compositions for treating diabetes mellitus comprising co-transplantation of an insulin-producing cell and a cell derived from a parathyroid gland (PTG), a CD34+ cell derived from a parathyroid gland, a CD34+ cell derived from a stem cell, or other progenitor cell-derived CD34+ cell.

Provided herein, inter alia, are methods and compositions for treating diabetes mellitus comprising co-transplantation of an insulin-producing cell and a cell derived from a parathyroid gland (PTG), a CD34+ cell derived from a parathyroid gland, a CD34+ cell derived from a stem cell, or other progenitor cell-derived CD34+ cell.

The presently disclosed subject matter provides for in vitro methods of inducing differentiation of stem cells (e.g., human stem cells) into somatotrophs, and differentiated cells generated by such methods. The presently disclosed subject matter also provides for uses of such cells for treating growth hormone deficiency.

The present invention provides a method of obtaining aggregates containing a rostral hypothalamus tissue and a rostral head ectodermal tissue, a hypophysis precursor tissue and a hypophysis hormone producing cell, by using a serum-free medium (preferably substantially free of growth factor and insulins), forming homogeneous aggregates of stem cells from pluripotent stem cells such as ES cell and the like, which are plated at a high cell concentration, and subjecting the formed aggregates to floating-culture.

Disclosed herein are dry blends of polyanionic and polycationic macromolecules, solvating fluids serving as cell suspension fluids, hybrid gel compositions, and methods for treatment of patients with endocrine disorders by transplantation with such compositions. Hybrid gel compositions that promote a microenvironment suitable for cell viability and growth while maintaining a sufficient structural integrity for three-dimensional cell culture are also disclosed.

Disclosed herein are dry blends of polyanionic and polycationic macromolecules, solvating fluids serving as cell suspension fluids, hybrid gel compositions, and methods for treatment of patients with endocrine disorders by transplantation with such compositions. Hybrid gel compositions that promote a microenvironment suitable for cell viability and growth while maintaining a sufficient structural integrity for three-dimensional cell culture are also disclosed.

Disclosed herein are dry blends of polyanionic and polycationic macromolecules, solvating fluids serving as cell suspension fluids, hybrid gel compositions, and methods for treatment of patients with endocrine disorders by transplantation with such compositions. Hybrid gel compositions that promote a microenvironment suitable for cell viability and growth while maintaining a sufficient structural integrity for three-dimensional cell culture are also disclosed.

Human induced pluripotent stem cells (iPSCs) can give rise to multiple cell types and hold great promise in regenerative medicine and disease modeling applications. The Inventors herein developed a reliable two-step protocol to generate human mammary-like organoids from iPSCs. Non-neural ectoderm cell-containing spheres, referred to as mEBs, were first differentiated and enriched from iPSCs using MammoCult medium. Gene expression profile analysis suggested that mammary gland function-associated signaling pathways were hallmarks of 10-d differentiated mEBs. The Inventors generated mammary-like organoids from 10-d mEBs using 3D floating mixed gel culture and a three-stage differentiation procedure. These organoids expressed common breast tissue, luminal, and basal markers, including estrogen receptor, and could be induced to produce milk protein. These results demonstrate that human iPSCs can be directed in vitro toward mammary lineage differentiation.

Human induced pluripotent stem cells (iPSCs) can give rise to multiple cell types and hold great promise in regenerative medicine and disease modeling applications. The Inventors herein developed a reliable two-step protocol to generate human mammary-like organoids from iPSCs. Non-neural ectoderm cell-containing spheres, referred to as mEBs, were first differentiated and enriched from iPSCs using MammoCult medium. Gene expression profile analysis suggested that mammary gland function-associated signaling pathways were hallmarks of 10-d differentiated mEBs. The Inventors generated mammary-like organoids from 10-d mEBs using 3D floating mixed gel culture and a three-stage differentiation procedure. These organoids expressed common breast tissue, luminal, and basal markers, including estrogen receptor, and could be induced to produce milk protein. These results demonstrate that human iPSCs can be directed in vitro toward mammary lineage differentiation.