Disclosed are a biomimic system simulating lung tissue, a method for manufacturing same, and a microfluidic control method using same, wherein the biomimic system comprises lung epithelial cells and lung fibroblasts, which are isolated from human lungs, and commercially available vascular endothelial cells, and wherein a microfluid flows through the biomimic system. Each chamber inside the corresponding system can allow a fluid, which contains gas and a medium, to flow therethrough and simulate respiration-like movement, wherein all of the three types of cells can survive inside the system even when one week or more have elapsed after through-flow of the fluid. In addition, the pH and pO.sub.2 in the chamber can be monitored by using a pH sensor and a gas partial pressure sensor inside the system, and thus the three types of cells inside the system can be exposed to external environments, drugs, and the like under the same conditions as in the lungs in vivo. Therefore, a wide range of studies including modeling of lung diseases by harmful substances and testing of therapeutic drug efficacy can be conducted, and further, the utilization to in vitro disease modeling, customized medicine prescriptions, and the like can also be made.

Provided are methods for producing population of cells enriched for cells exhibiting sinoatrial node like characteristics. The cells can be produced from human pluripotent cells. Also provided are methods for using the SAN-like cells for identifying agents that can mitigate drug-induced cardiac toxicity. Also provided is a method for mitigating drug induced cardiotoxicity comprising administering to a subject an effective amount of physcion or a derivative thereof.

A method for preparing a stromal vascular fraction from an adipose tissue, including a step of treating an adipose tissue with an enzyme solution containing a collagenase and a neutral protease, preferably an enzyme solution free of clostripain and thermolysin, and showing not less than 1 U neutral protease activity with respect to 10,000 U collagenase activity, and recovering cells is provided by the present invention.

The invention relates to a method for manufacturing a bio-ink by additive deposition, which comprises supplying: a first solution including between 5 and 40 wt. % gelatin; a second solution including between 15 and 35.wt. % alginate; a third solution including between 1 and 15 wt. % fibrinogen, and optionally living cells in suspension; and creating a mixture including: around 35 to 65 vol. % of the first solution; around 15 to 35 vol. % of the second solution; and around 15 to 35 vol. % of the third solution, said proportions being selected so that they add up to 100%. Said bio-ink allows the additive deposition of objects that can be polymerised by means of a solution including calcium ions and thrombin. Said objects can be incubated and can be used as a substitute for body tissue, for example (with added fibroblasts) as skin substitute.

Applications of butylidenephthalide (BP), comprising the use of BP in providing a kit for promoting differentiation of stem cells into brown adipose cells, and the use of BP in preparing a medicament, wherein the medicament is used for inhibiting the accumulation of white adipose cells, promoting the conversion of white adipose cells into brown adipose cells, inhibiting weight gain and/or reducing the content of triglycerides, glucose, and total cholesterol in blood.

Use of glycerol in preparing an adipose tissue cryopreservation protective agent and the adipose tissue cryopreservation protective agent. Based on the total volume of the adipose tissue cryopreservation protective agent, the adipose tissue cryopreservation protective agent includes: glycerol with a volume fraction of 60-80%; 0.090-0.200 g/ml trehalose; and a PBS buffer serving as the solvent. The adipose tissue cryopreservation protective agent is free of DMSO and other protective agents having biological toxicity, poses no toxicity to cells and tissues, and causes no safety problem during clinical use even in a case of incomplete elution. The adipose tissue cryopreservation protective agent is free of xenoantigen and has low cost. With glycerol and trehalose being clinically approved medicinal ingredients and inexpensive products, the agent of the present disclosure contains no costly products such as human albumin, thus providing increased possibility for clinical use and promotion.

Provided are an apparatus and method for injection of a fluid into a substrate. In some embodiments, an apparatus or method described herein delivers cells to a tissue scaffold, graft, or site of tissue injury to facilitate the repair of a tissue defect.

Provided are novel heterocyclic derivatives with cardiomyocyte proliferation activity for treatment of heart diseases. Specifically, provided are the compounds of formula (I) or pharmaceutically acceptable salts, stereoisomers, solvates or prodrugs, preparation method thereof, application thereof and pharmaceutical composition useful for treatment of heart diseases.

An exemplary composition can be provided which includes an identified substance that induced cell reprogramming. Cells can also be provided having pluripotency having high safety when applied to regenerative medicine, using the composition, and a production method therefor. A cell reprogramming-inducing composition can include at least one 30S ribosome protein selected from the group consisting of 30S ribosome protein S2, 30S ribosome protein S8 and 30S ribosome protein S15 as a substance that reprograms cells derived from a mammalian animal is provided. Further, an exemplary production method for cells having pluripotency from somatic cells using the composition can be provided.

Methods of treating an ischemic disease in a subject are provided. Accordingly there is provided a method comprising administering to the subject a therapeutically effective amount of cells with reduced level of expression and/or activity of TNFR1, thereby treating the ischemic disease in the subject. Also provided is a method comprising treating with TNFalpha cells with reduced expression and/or activity of TNFR1 and administering to the subject a therapeutically effective amount of said cells, thereby treating the ischemic disease in the subject.