Abstract: The invention relates to methods for producing three-dimensional multicellular tissue and organ culture systems using multicellular mammalian cell aggregates, these systems themselves and their use for various medical purposes, in particular implantations.

Abstract: This invention relates to isolated pluripotent adult stem cells which are obtained from exocrine glandular tissue as well as methods of isolating and culturing these pluripotent stem cells.

Abstract: The invention relates to a receptacle (4) for receiving a sample (5) during an optical analysis of the sample (5), wherein the receptacle (4) comprises a bottom (19) which is at least partially transparent so that the sample (5) within the receptacle (4) can be optically analyzed by an image sensor (6) from below the bottom (19) and wherein the bottom (19) is very thin thereby improving contrast and sharpness of the images generated by the image sensor (6). Further, the invention relates to a system for optically analyzing a sample (5).

Abstract: The invention relates to material compositions comprising adult stem cells obtained from exocrine gland tissue and a supporting matrix having the shape of a thread structure and/or of a net. The supporting matrix preferably consists of a plastic material which is physiologically acceptable and degradable in the body. The material compositions of the invention are in particular suited for use in regenerative medicine, e.g. for regeneration of injured or damaged myocard tissue.

Abstract: A targeted cultivation phase adjustment is provided in a process for the cultivation of cells in which biological cells are cultivated on at least one boundary surface between different, non-solid cultivation phases so that pre-determined cultivation conditions are given. A cultivation apparatus (100) for biological cells is also provided that includes a culture container (10) with different, non-solid cultivation phases (20) between which at least one boundary surface is formed.

Abstract: This invention relates to isolated pluripotent adult stem cells which are obtained from exocrine glandular tissue as well as methods of isolating and culturing these pluripotent stem cells.

Abstract: The invention relates to a method for conserving at least one biological deep-sea organism (1) comprising the steps of collecting the biological organism (1) in a deep-sea trapping device (110); cooling the biological organism (1) with a cooling device (120), wherein the biological organism (1) is put in a frozen condition; and moving the frozen biological organism (1), preferably with the trapping device (110), to a normal-pressure environment. The invention further relates to a conservation apparatus (100) for conserving at least one biological deep-sea organism (1).

Abstract: The invention relates to an in vitro method for producing spontaneously contracting fish cell aggregates, to the fish cell aggregates obtained thereby, and to the use thereof, in particular for testing biological active substances and pharmaceuticals. The in vitro method according to the invention for producing contracting fish cell aggregates comprises the following steps: a) mechanical comminution and/or partial enzymatic digestion of fish embryos or fish larvae; b) transfer of the comminuted and/or partially digested fish tissue into an enzyme-free medium and removing the supernatant by centrifuging to obtain a cell pellet; c) re-suspension of the cell pellet in a cell culture medium; d) culturing the cells, with the medium being changed at least once, until spontaneously contracting cell aggregates form.

Abstract: This invention relates to isolated pluripotent adult stem cells which are obtained from exocrine glandular tissue as well as methods of isolating and culturing these pluripotent stem cells.

Abstract: A method for forming a three-dimensional cell arrangement (1) of biological cells is disclosed, including the steps of preparation of the cell arrangement (1) on a flexible substrate (10) and deformation of the substrate (10), wherein the deformation of the substrate (10) is brought about by an attractive force exerted by the cells (2) on the substrate (10). A substrate (10), is also disclosed, made from a flexible material and including a substrate surface (11) for adhesion of a cell arrangement (1) of biological cells, wherein the substrate surface (11) has a number of force attachment points arranged to exert an attraction force which may be transmitted from the cells to the substrate (10) and the substrate (10) has a flexibility such that the substrate (10) is deformable with the action of the attraction force.

Abstract: A movable incubator facility comprises a culture chamber which is arranged for receiving at least one cell culture, a heating arrangement by means of which the temperature of the culture chamber can be adjusted, a gas feed arrangement by means of which at least one gas can be introduced into the culture chamber, and an energy storage arrangement which is disposed for supplying the heating arrangement and/or the gas feed arrangement with electrical energy.

Abstract: The invention relates to a method for cultivating biologic cells (1), wherein cells (1) are grown on a substrate (10) having a plurality of substrate openings (11), and wherein cell aggregates (2) are formed, including groups of cells (1) that span the substrate openings (11). A separation of the cell aggregates (2) from the substrate (10) by extracting the cell aggregates (2) from the substrate openings (11) can be provided. The invention further relates to a cell-cultivating device (100), including a substrate (10) having a plurality of substrate openings (11) and cell aggregates (2) including groups of cells (1) that span the substrate openings (11). The cell aggregates (2) are particularly used in high throughput tests with biologically active substances or in methods of tissue cultivation.

Abstract: Disclosed is a method for forming epithelial cells. Said method comprises the steps of aggregating stem cells from differentiated exocrine gland tissue to obtain an organoid body and differentiating at least one portion of the organoid body or a tissue body grown therefrom to obtain epithelial cells. Also disclosed is a cultivation device, particularly for forming differential epithelial cells.

Abstract: A method for producing autonomously contractile heart muscle cells by cultivating and differentiating stem cells obtained from differentiated exocrine gland tissue of an organism is described. Various uses of the heart muscle cells, in particular in regenerative medicine, are also described.

Abstract: The invention relates to an in vitro method for producing spontaneously contracting fish cell aggregates, to the fish cell aggregates obtained thereby, and to the use thereof, in particular for testing biological active substances and pharmaceuticals. The in vitro method according to the invention for producing contracting fish cell aggregates comprises the following steps: a) mechanical comminution and/or partial enzymatic digestion of fish embryos or fish larvae; b) transfer of the comminuted and/or partially digested fish tissue into an enzyme-free medium and removing the supernatant by centrifuging to obtain a cell pellet; c) re-suspension of the cell pellet in a cell culture medium; d) culturing the cells, with the medium being changed at least once, until spontaneously contracting cell aggregates form.

Abstract: The invention relates to a method for conserving at least one biological deep-sea organism (1) comprising the steps of collecting the biological organism (1) in a deep-sea trapping device (110); cooling the biological organism (1) with a cooling device (120), wherein the biological organism (1) is put in a frozen condition; and moving the frozen biological organism (1), preferably with the trapping device (110), to a normal-pressure environment. The invention further relates to a conservation apparatus (100) for conserving at least one biological deep-sea organism (1).

Abstract: A method for receiving biological cells (1, 2) from a cell culture (3) includes the steps: cultivation of the cell culture on a main substrate (10), cell transfer from the main substrate (10) onto at least one receiving substrate (20, 20.1, 20.2, 20.3, 20.4 . . . ), wherein the cells (1, 2) move onto the at least one receiving substrate (20, 20.1, 20.2, 20.3, 20.4 . . . ) by natural cell locomotion, and a cultivation of the cells (1, 2) is provided on the at least one receiving substrate (20, 20.1, 20.2, 20.3, . . . ), and separation of the main substrate (10) and of the at least one receiving substrate (20, 20.1, 20.2, 20.3, 20.4 . . . ) from one another. Also described is a substrate arrangement (100) for providing biological cells (1, 2) of a cell culture (3).

Abstract: A method of preparing adult proliferating cells with stem cell properties includes removing tissue from pronephros or pyloric appendates of an intestine of poikilothermic vertebrates, comminuting removed tissue, cultivating comminuted tissue, and propagating cells persisting in a culture.

Abstract: The invention relates to material compositions comprising adult stem cells obtained from exocrine gland tissue and a supporting matrix having the shape of a thread structure and/or of a net. The supporting matrix preferably consists of a plastic material which is physiologically acceptable and degradable in the body. The material compositions of the invention are in particular suited for use in regenerative medicine, e.g. for regeneration of injured or damaged myocard tissue.

Abstract: A method for forming a three-dimensional cell arrangement (1) of biological cells is disclosed, including the steps of preparation of the cell arrangement (1) on a flexible substrate (10) and deformation of the substrate (10), wherein the deformation of the substrate (10) is brought about by an attractive force exerted by the cells (2) on the substrate (10). A substrate (10), is also disclosed, made from a flexible material and including a substrate surface (11) for adhesion of a cell arrangement (1) of biological cells, wherein the substrate surface (11) has a number of force attachment points arranged to exert an attraction force which may be transmitted from the cells to the substrate (10) and the substrate (10) has a flexibility such that the substrate (10) is deformable with the action of the attraction force.