Abstract: One or more methods for treating a tissue site comprises collecting a tissue sample that has keratinoytes and placing the tissue sample in a cartridge that has a well plate, positioning the cartridge within a base unit that has a tissue disaggregator, activating the base unit to rotate the well plate to align wells in the well plate with the tissue sample and the tissue disaggregator, operate the tissue disaggregator to separate the tissue sample to form a regenerative epidermal suspension, and provide the regenerative epidermal suspension to a tissue site to enhance healing of the tissue site.

Abstract: A cell culture matrix is provided that has a substrate with a first side, a second side opposite the first side, a thickness separating the first side and the second side, and a plurality of openings formed in the substrate and passing through the thickness of the substrate. The plurality of openings allow flow of at least one of cell culture media, cells, or cell products through the thickness of the substrate, and provides a uniform, efficient, and scalable matrix for cell seeding, proliferation, and culturing. The substrate can be formed from a woven polymer mesh material that provides a high surface area to volume ratio for cells and good fluid flow through the matrix. Bioreactor systems incorporating the cell culture matrix and related methods are also provided.

Abstract: A separation container for extracting a portion of a sample for use or testing and method for preparing samples for downstream use or testing are provided. The separation container may include a body defining an internal chamber. The body may define an opening, and the body may be configured to receive the sample within the internal chamber. The separation container may further include a seal disposed across the opening, such that the seal may be configured to seal the opening of the body, and a plunger movably disposed at least partially inside the internal chamber. The plunger may be configured to be actuated to open the seal and express the portion of the sample.

Abstract: An osseointegratable prosthetic device suitable for implantation via a one-step surgical process includes a threaded insertion end, an externally accessible tool interface end, and an intermediately arranged scaffold portion defining recesses that permit ingrowth of skeletal tissue. Such recesses may include multiple longitudinal fins as well as transverse ribs, which may embody or be coated with porous material to promote bone ingrowth. A split flange portion includes discontinuous portions and may permit pretensioning of the device. The device may be fabricated as a unitary body structure from thermoplastic materials using techniques such as fused filament fabrication (a form of 3D printing). The osseointegratable prosthetic device enables one-step surgical implantation without requiring separately implantable fixture/sleeve and abutment portions according to conventional osseointegratable prosthetics. Methods for fabricating an osseointegratable prosthetic device are further provided.

Abstract: A cell mass dissociator for a pluripotent stem cell production system.

Abstract: Methods for treating bulk bone tissue are provided. The methods comprise contacting bulk bone tissue or frozen bulk bone tissue with an effective amount of a supercritical fluid so as to dry the bulk bone tissue. In various embodiments, the supercritical fluid destroys contaminants such that the frozen bulk bone tissue is 99.9% substantially pure. In various embodiments, contaminants removed from the frozen bulk bone tissue include lipids, viruses, bacteria, pyrogens, prions, micro-organisms and/or pathogens. In some embodiments, the supercritical fluid causes a 3 log reduction of bacteria within the frozen bulk bone tissue.

Abstract: A percutaneous implant for reducing the risk of post-implant infection by reducing the likelihood of epidermal down-growth between the dermis of the skin and the implant. In one example, the implant comprises a barrier member between the epidermis and the dermis about the implant. In another example, a barrier is provided by removing a portion of the epidermis from the dermis about the implant.

Abstract: The present invention provides for methods and devices suitable for producing a transplantable cellular suspension of living tissue suitable for grafting to a patient. In applying the method and/or in using the device, donor tissue is harvested, subjected to a cell dissociation treatment, cells suitable for grafting back to a patient are collected and dispersed in a solution that is suitable for immediate dispersion over the recipient graft site.

Abstract: The present invention efficiently and cost-effectively extracts and collects cells from a tissue. The inventors have discovered that the tissue can be effectively fragmented and the resulting cells can be purified using a system or kit with multiple components. An advantage of the present invention is that tissue processing takes place in a closed system such that sterility can be maintained throughout the process, even if certain components are removed during processing, for example through the use of valves, clamps, and heat seals. Furthermore, any or all of the steps can be automated or manually accomplished, according to the specific needs of the application or the user.

Abstract: A method for rapidly collecting cells from a surface, such as a surface bearing fingerprints, for subsequent macromolecular analysis involves dispensing a predetermined amount of an aqueous solution onto the surface, and subjecting the aqueous solution to ultrasound waves to promote a detachment of the cells from the surface. Extraction of macromolecules such as DNA from the cells can be effected directly in the solution containing the collected cells by further subjecting the solution to ultrasound waves for a prescribed period of time to lyse the cells, and then extracting the DNA.

Abstract: A portable apparatus useful for collection and processing of human biological material containing adipose, such as extracted during a lipoplasty procedure to prepare a concentrated product (e.g., stromal vascular fraction) or a fat graft composition. The apparatus has a container with a containment volume with a tissue retention volume and a filtrate volume separated by a filter and with a tapered portion to a collection volume for collecting concentrate product. Inlet and suction ports provide access to the tissue retention volume and filtrate volume, respectively, and an extraction port provides versatile access for removal of target processed concentrate material or fat graft material, which access may be via a lumen through a rotatable mixer shaft. Access ports may be configured for access only from above the container. The apparatus may include a tissue collector disposed in the disuse retention volume to engage and collect collagen or other stringy tissue.

Abstract: Noncultured Wharton's Jelly stem cells and methods of their purification, storage and use are provided.

Abstract: The present invention provides a mesenchymal stem cell injection, a preparation method thereof, and application thereof in preparing diabetes mellitus drug. Mesenchymal stem cells used by the present invention come from the human umbilical cord and the human placenta. The ingredients of the mesenchymal stem cell injection are: mesenchymal stem cells, human albumin, low molecular weight heparin, a compound amino acid, vitamin C, and a solution medium. The solution medium is a compound electrolyte solution, glucose water, or a normal saline solution.

Abstract: The present invention relates to methods of in vitro preparation of a parental cell bank (PCB) from foetal tissue consisting of foetal epiphyseal tissue, foetal Achilles tendon tissue and foetal skin tissue, using a rapid mechanical primary cell culture selection of cell type to be used in methods for wound and tissue repair.

Abstract: The present invention relates to a large-scale propagation and maintenance method of embryoid bodies generated from stem cells. More particularly, the present invention relates to a large-scale propagation and maintenance method of embryoid bodies retaining their intrinsic characteristics for a long period of time, comprising the step of continuously subculturing embryoid bodies that are primarily produced from embryonic stem cells or from induced pluripotent stem cells. According to the method of the present invention, after preparation of embryoid bodies from a limited number of stem cells, large-scale production and maintenance of embryoid bodies can be realized by a simple mechanical subculturing method without the continuous supply of stem cells.

Abstract: The present invention efficiently and cost-effectively extracts and collects cells from a tissue. The inventors have discovered that the tissue can be effectively fragmented and the resulting cells can be purified using a system or kit with multiple components. An advantage of the present invention is that tissue processing takes place in a closed system such that sterility can be maintained throughout the process, even if certain components are removed during processing, for example through the use of valves, clamps, and heat seals. Furthermore, any or all of the steps can be automated or manually accomplished, according to the specific needs of the application or the user.

Abstract: A tissue dissociation device includes an inlet coupled to a first stage having a single channel having an upstream end and a downstream end; a plurality of serially arranged intermediate stages, wherein a first intermediate stage of the plurality is fluidically coupled to the downstream end of the first stage, and wherein each subsequent intermediate stage of the plurality has an increasing number of channels (with channels of smaller dimensions); and an outlet coupled to a last stage of the intermediate stages.

Abstract: The present invention provides for methods of isolating a stem cell or cell derived therefrom from a mixture of cells, for example, a mixture of adherent cells in culture. Cell isolation is achieved by the application of selective detachment forces.

Abstract: Method for the isolation, expansion and preservation of cardiac stem cells from human or animal tissue biopsy samples to be employed in cell transplantation and functional repair of the myocardium or other organs. Cells may also be used in gene therapy for treating cardiomyopathies, for treating ischemic heart diseases and for setting in vitro models to study drugs.

Abstract: Methods of cell culture using patterned SAM arrays are disclosed. Advantageously, the disclosed methods use SAM arrays presenting adhesion peptides to grow confluent monolayers that can invaginate to form an embryoid body.

Abstract: Methods of isolating stromal vascular fractions for use in human subjects from a tissue comprising a blood vessel using mechanical, optionally ultrasonic cavitation, enzymatic, and/or chemical methods are provided. These methods yield an increased number of the cells which constitute the stromal vascular fractions (about 10-fold greater) than methods which use collagenase to isolate these cells. The stromal vascular fraction may be isolated from any tissue that comprises blood vessels, for example, muscle and adipose tissue. Additionally, the tissue may be isolated obtained from nonliving sources and animals (e.g., postmortem).

Abstract: For an implantable device intended for use in the human body an in-vivo colonization with autologous cells is often desired. The devices, especially prosthetic devices like implant tissues, grafts, shunts, vessels, organs or a part of organs are commonly derived from animal or human origin and comprise a collagen-based tissue matrix. The invention proposes a coating deposited on a surface of the device and comprising the matrix protein CCN1 as an extracellular matrix-associated protein mediating cell adhesion or cell migration.

Abstract: A unitary apparatus for isolating cells from adipose tissue including a lipid separation processor with a dispersing head equipped with a plurality of ports and a digestion chamber for dissociation of the constituent cells disposed in adipose tissue. The lipid separating apparatus is useful for the separation of lipids and adipocytes from a mixed cell population. A cell seeding chamber may be attached to the cell isolation apparatus. The components of the apparatus may be packaged in modular kit form.

Abstract: The present disclosure provides cutting tools which include a handle coupled to a rotatable shaft having shallow grooves that extend substantially entirely across the surface of the rotatable shaft. The grooves define sharp cutting edges. In particular examples, the cutting edges are continuous, such as being defined by helical threads. The present disclosure also provides methods of dissecting a substrate of cultured cells. The substrate of cultured cells is separated into separated portions with a cutting tool. The cutting tool includes a rotatable shaft having a cutting blade which extends around the shaft. The cutting blade is rolled through the substrate to cut the substrate into portions. The portions are separated from one another to dissect the substrate.

Abstract: Devices and methods are described for pre-processing tissue samples containing cells of interest for various therapeutic procedures. Fibrous material may be extracted from the tissue sample through a shredding and separating device, resulting in a non-fibrous sample containing the cells of interest, which may then be washed and centrifuged to remove fluids, oil, and contaminants. The sample may then be digested in a large-volume container, and a piston within the container may push the resulting liberated cell suspension through a cell concentrator such as a hollow-fiber separation module.

Abstract: The present invention relates to methods of in vitro preparation of a parental cell bank (PCB) from foetal tissue consisting of foetal epiphyseal tissue, foetal Achilles tendon tissue and foetal skin tissue, using a rapid mechanical primary cell culture selection of cell type to be used in methods for wound and tissue repair.

Abstract: Method for the isolation, expansion and preservation of cardiac stem cells from human or animal tissue biopsy samples to be employed in cell transplantation and functional repair of the myocardium or other organs. Cells may also be used in gene therapy for treating cardiomyopathies, for treating ischemic heart diseases and for setting in vitro models to study drugs.

Abstract: A carrier for expansion of pluripotent stem cells is provided, wherein the carrier comprises a substrate comprising one or more outer surfaces, wherein the one or more outer surfaces are modified with gas plasma treatment, and one or more structured indentations on one or more of the outer surfaces. The carrier has a length at least about 0.2 mm, a width at least about 0.2 mm, and a height in a range from about 0.05 mm to 1.2 mm and each of the structured indentations has a major axis in a range from about 0.1 mm to 0.5 mm, a minor axis in a range from about 0.1 mm to 0.5 mm and a depth in a range from about 0.025 mm to about 0.5 mm. A method of making the carrier, and culturing stromal cells using the same carrier are also provided.

Abstract: An improved method of producing differentiated progenitor cells comprising obtaining inner cell mass cells from a blastocyst and inducing differentiation of the inner cell mass cells to produce differentiated progenitor cells. The differentiated progenitor cells may be transfected such that there is an addition, deletion or alteration of a desired gene. The differentiated progenitor cells are useful in cell therapy and as a I source of cells for the production of tissues and organs for transplantation. Also provided is a method of producing a lineage-defective human embryonic stem cell.

Abstract: Disclosed are compositions and methods relating to growth of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) using non-simian cells. In a particular example, porcine alveolar macrophage cells are described as having a capability of supporting infectivity and reproduction by PRRSV. Cells and cell lines of the invention are disclosed in connection with applications relating to PRRS disease, including vaccine technologies.

Abstract: The present invention includes a method and device for the isolation of lymphocytes, particularly splenic lymphocytes, for administration to patients. In particular for patients undergoing a splenectomy, administration of splenic lymphocytes may increase a patient's immunity and reduce the likelihood of post-splenectomy infections and other complications.

Abstract: A device for mechanically decollating cells from a cell composite, particularly a shear rotor, a cell isolation unit including such a shear rotor and a method for decollating cells from a cell composite. The aforementioned device includes a rotor having a rotor wall, which is concentrically arranged in a receptacle. A rotor seat is connected to a motor and to which the rotor can be fixed in a detachable manner. A rotational movement of the motor can be transmitted to the rotor by means of the rotor seat. The rotor tapers longitudinally towards the bottom of the receptacle so that different circumferential speeds of the rotor can be transmitted to a liquid sample in the receptacle via the rotor wall.

Abstract: The present invention relates material based on microbial cellulose that is useful in culturing and transferring cells as well as delivering drugs. The material comprises cellulose nanofibers and/or derivatives thereof, based on microbial cellulose, wherein the cellulose nanofibers are in a form of a hydrogel or membrane. The invention also provides methods for producing these materials and compositions and uses thereof.

Abstract: Methods for isolating and culturing stem cells, making tissue matrix, making matrix infused with stem cells, and methods of stem cell therapy are provided.

Abstract: The present invention efficiently and cost-effectively extracts and collects cells from a tissue. The inventors have discovered that the tissue can be effectively fragmented and the resulting cells can be purified using a system or kit with multiple components. An advantage of the present invention is that tissue processing takes place in a closed system such that sterility can be maintained throughout the process, even if certain components are removed during processing, for example through the use of valves, clamps, and heat seals. Furthermore, any or all of the steps can be automated or manually accomplished, according to the specific needs of the application or the user.

Abstract: Disclosed herein is a system and method for making allele calls, and for determining the ploidy state, in one or a small set of cells, or where a limited quantity of genetic data is available. Poorly or incorrectly measured base pairs, missing alleles and missing regions are reconstructed and the haplotypes are determined using expected similarities between the target genome and the knowledge of the genomes of genetically related individuals. In one embodiment, incomplete genetic data from an embryonic cell are reconstructed at a plurality of loci using the genetic data from both parents, and possibly one or more sperm and/or sibling embryos. In another embodiment, the chromosome copy number can be determined using the same input data. In another embodiment, these determinations are made for embryo selection during IVF, for non-invasive prenatal diagnosis, or for making phenotypic predictions.

Abstract: The present invention relates to a large-scale propagation and maintenance method of embryoid bodies generated from stem cells. More particularly, the present invention relates to a large-scale propagation and maintenance method of embryoid bodies retaining their intrinsic characteristics for a long period of time, comprising the step of continuously subculturing embryoid bodies that are primarily produced from embryonic stem cells or from induced pluripotent stem cells. According to the method of the present invention, after preparation of embryoid bodies from a limited number of stem cells, large-scale production and maintenance of embryoid bodies can be realized by a simple mechanical subculturing method without the continuous supply of stem cells.

Abstract: Various cells, stem cells, and stem cell components, including associated methods of generating and using such cells are provided. In one aspect, for example, an isolated cell that is capable of self-renewal and culture expansion and is obtained from a subepithelial layer of a mammalian umbilical cord tissue. Such an isolated cell expresses at least three cell markers selected from CD29, CD73, CD90, CD166, SSEA4, CD9, CD44, CD146, or CD105, and does not express at least three cell markers selected from CD45, CD34, CD14, CD79, CD106, CD86, CD80, CD19, CD117, Stro-1, or HLA-DR.

Abstract: A carrier for growing stem cells is provided, the carrier comprises a substrate comprising one or more outer surfaces; and a hydrophilic, water soluble coating material disposed and dried on one or more of the outer surfaces. The carrier comprises one or more structured indentations on one or more of the outer surfaces, wherein the carrier has a length at least about 0.2 mm, a width at least about 0.2 mm, and a height in a range from about 0.05 mm to 1.2 mm and each of the structured indentations has a major axis in a range from about 0.1 mm to 0.5 mm, a minor axis in a range from about 0.1 mm to 0.5 mm and a depth in a range from about 0.025 mm to about 0.5 mm. A method of culturing stem cells and stromal cells using the same carrier are also provided.

Abstract: The production of high quality retinal pigmented epithelium (RPE) cells is necessary for research and potential therapeutic uses. Especially desirable are methods for the production of RPE cells using xeno-free culture conditions. Disclosed herein are novel methods for the production of RPE cells from pluripotent cells with high yields, including xeno-free production methods. Also provided are methods of efficiently isolating RPE cells from cultures containing heterogeneous cell types, allowing for substantially pure RPE cell cultures to be established. Additionally, novel methods for the cryopreservation of RPE cells are provided.

Abstract: Noncultured Wharton's Jelly stem cells and methods of their purification, storage and use are provided.

Abstract: A process for making a gel comprising combining a silanol species comprising at least two silanol groups per molecule and a hydrophilic hydroxyl species comprising at least two hydroxyl groups per molecule. The gel is capable of being converted to a liquid by application of a mechanical shear force and the liquid is capable of being converted to the gel in the absence of the mechanical shear force.

Abstract: Noncultured Wharton's Jelly stem cells and methods of their purification, storage and use are provided.

Abstract: This document describes methods and an apparatus for recovery of cells from a tissue sample. In some embodiments, at least two rounds of acceleration and deceleration are performed.

Abstract: Disclosed is a device useful for preserving tissue samples after extraction from human or animal patients. The device includes a circular blade for taking a tissue sample, the blade being coupled to a sealing cap which mates to one end of a container. A retrieval port is also disclosed for extracting fluids from the container. Methods are also disclosed by which tissue samples may be taken and prepared for storage, processing, culture, or other analysis.

Abstract: A method for growing adult cells includes harvesting a tissue sample from a subject and breaking the tissue sample into fragments. The fragments are placed into a culture vessel, and at least some of the fragments are induced to adhere to the culture vessel. The fragments are supplied with nutrients so that adult cells contained therein divide and grow.

Abstract: Embodiments are directed to devices and methods for processing, cultivating or otherwise manipulating cell cultures which may be disposed on a flat or substantially flat surface such as cell culture substrate material. Devices and methods are disclosed for dividing a cell culture layer into divided portions, including isolated divided portions, that may then be transferred from the cell culture to a new location. For some embodiments, the divided portions may be transferred to a new cell culture support substrate in order to continue to grow and cultivate the cell line.

Abstract: An innovative method of collecting cord blood stem cells from an isolated mammalian non-exsanguinated or partially exsanguinated placenta by placental perfusion is described and also an easy method for safe long duration cold storage of the placenta. Placental perfusion can include perfusing the isolated placenta with a pulsatile flow of perfusion solution, for example, using a pulsatile or peristaltic pump or device. The stem cells can then be isolated from the perfusate. Significantly increased amounts of CD133+ stem cells can be collected from the perfusate. The perfusion solution can include an anticoagulant. The isolated mammalian placenta need not be treated with an anticoagulant prior to perfusing. The isolated placenta can be free from an anticoagulant prior to perfusing.

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: A lipoaspirate collection device to aid in the collection and processing of human tissue and fluid obtained during liposuction for use in point-of-care cell therapy. The collection device includes a collection body and a collection cap. The collection cap may have a fluid port, a lipoaspirate port, a vacuum port, and a relief valve. Within the central cavity of the collection device, a cone shaped may be positioned such that the apex of the cone is positioned underneath the lipoaspirate inlet through which the lipoaspirate fluid and tissue are introduced.