189 results about "Brown adipose tissue" patented technology

The invention provides novel methods by which adipose tissue, preadipocytes, and adipocytes can be generated for research purposes, and methods for identifying cell populations that can proliferate and differentiate into adipocytes in vivo. The invention further provides a means for the in vivo derivation of “designer” or “customized” adipose tissue, preadipocytes, and adipocytes. Also provided are methods for identifying agents that affect adipocytes and adipose tissue, as well as the agents themselves. In particular, the present invention allows for creation of tissues and cells that can be used to screen for agents useful for treating human disorders associated with adipose tissue, including obesity, metabolic syndrome, and diabetes.

Methods and compositions for directing adipose-derived stromal cells cultivated in vitro to differentiate into cells of the chondrocyte lineage are disclosed. The invention further provides a variety of chondroinductive agents which can be used singly or in combination with other nutrient components to induce chondrogenesis in adipose-derived stromal cells either in cultivating monolayers or in a biocompatible lattice or matrix in a three-dimensional configuration. Use of the differentiated chondrocytes for the therapeutic treatment of a number of human conditions and diseases including repair of cartilage in vivo is disclosed.

The invention relates to methods and compositions for the differentiation of stromal cells from adipose tissue into hematopoietic supporting stromal cells and myocytes of both the skeletal and smooth muscle type. The cells produced by the methods are useful in providing a source of fully differentiated and functional cells for research, transplantation and development of tissue engineering products for the treatment of human diseases and traumatic tissue injury repair.

Methods of treating patients for conditions such as breast augmentation, soft tissue defects, and urinary incontinence, are described. The methods include removing adipose tissue from a patient, processing a portion of the adipose tissue to obtain a substantially isolated population of regenerative cells, mixing the regenerative cells with another portion of adipose tissue to form a composition, and administering the composition to the patient from which the adipose tissue was removed.

Compositions, methods, and systems are disclosed for using collagen-rich material, derived from adipose tissue, that is placed directly into a recipient along with such additives necessary to promote, engender, or support a therapeutic, structural, or cosmetic benefit. The compositions may be obtained during the course of a single surgical procedure, and may be administered to the patient immediately after adipose tissue is removed from a patient, such as within hours or days from being withdrawn from the patient.

Methods of treating patients for conditions such as breast augmentation, soft tissue defects, and urinary incontinence, are described. The methods include removing adipose tissue from a patient, processing a portion of the adipose tissue to obtain a substantially isolated population of regenerative cells, mixing the regenerative cells with another portion of adipose tissue to form a composition, and administering the composition to the patient from which the adipose tissue was removed.

Aspects of the invention provides methods for preparing and using adipose-tissue-derived stem and progenitor cells, adipose-tissue-derived lymphatic endothelial cells, and cells capable of differentiating into lymphatic endothelial cells to treat disorders of the lymphatic system and to modulate expansion, repair, and / or regeneration of the lymphatic system. The invention further provides using adipose-tissue-derived lymphatic endothelial cells and cells capable of differentiating into lymphatic endothelial cells for delivery of therapeutic agents to tumor cells as a means for treating malignant disease, and assays to screen for drugs that modulate lymphatic system expansion, repair or regeneration.

The present invention is directed to novel compositions and their application as pharmaceuticals for the treatment of disease. Methods of upregulation of GLUT4 via activation of peroxisome proliferator activated receptor delta activity in the adipose tissue of a human or animal subject are also provided, for the treatment of conditions such as diabetes, obesity, insulin resistance, metabolic syndrome, and others in which a reduction in insulin resistance, an increase in glucose utilization, a reduction in visceral fat, a reduction in triglyceride (TG) levels, or an increase in levels of high-density lipoprotein (HDL), is beneficial.

Devices and methods for tissue transfer are described where a cannula may be inserted into the breast of a subject at one of several points of entry. Insertion of the cannula into the breast may be accomplished by using a guidance system to distinguish between tissue types. Once desirably positioned, the cannula may be withdrawn from the breast while automatically (or manually) injecting the fat in multiple deposits of adipose tissue or fat such that the deposited fat remains within the tract formed by the withdrawn cannula. Multiple tracts of the deposited fat may be injected within the breast until the breast has been desirably remodeled and / or augmented.

The invention relates to a method for separating and extracting stem cells from a placenta, umbilical cord or adipose tissue, which comprises the following process steps: firstly mixing the placenta, umbilical cord or adipose tissue and a cell maintenance fluid according to the proportion by weight of 2.5-4:1, putting the mixture into a tissue crushing barrel, adding collagenase after crushing, uniformly mixing, hatching at the temperature of 37 DEG C, filtering, adding a precipitator, sucking a supernatant fluid after settling, centrifuging, removing the supernatant fluid, adding concentrated cells into a liquid of diatrizoate sodium-ficoll 400#, then centrifuging, collecting 10-15 ml of intermediate cell layer, washing with the cell maintenance fluid, counting the collected cells, and providing the cells for clinical use when the cell survival ratio is more than or equal to 95 percent. The invention not only realizes the separation and the extraction of all stem cells from the placenta, umbilical cord or adipose tissue, but also realizes industrialized production, and enables doctors to conveniently, safely and canonically obtain the adult stem cells in clinic and use the adult stem cells for treating the diseases of patients as using medicaments, thereby solving the bottleneck problem of difficult obtainment of adult stem cells in clinic and popularizing a cell treatment technology.

An ice harness for cooling brown adipose tissue. The ice harness includes a front section, wherein the front section is configured to be placed on a user's chest. The ice harness also includes a rear section, wherein the rear section is configured to be placed on the user's upper back. The ice harness further includes a first cold-gel pack, wherein the first cold-gel pack is attached to the front section. The ice harness additionally includes a second cold-gel pack, wherein the second cold-gel pack is attached to the rear section.

This invention relates to human adipose tissue-derived multipotent adult stem cells. More particularly, the invention relates to human adipose tissue-derived multipotent stem cells, which can be maintained in an undifferentiated state for a long period of time by forming spheres and have high proliferation rates, as well as methods for isolating and maintaining the adult stem cells, and methods for differentiating the multipotent adult stem cells into nerve cells, fat cells, cartilage cells, osteogenic cells and insulin-releasing pancreatic beta-cells. Also, the invention relates to cellular therapeutic agents for treating osteoarthritis, osteoporosis and diabetes and for forming breast tissue, which contain the differentiated cells or the adult stem cells. Although the multipotent stem cells are adult stem cells, they have the ability to differentiate into osteogenic cells, nerve cells, astrocytes, fat cells, chrondrogenic cells or insulin-releasing pancreatic beta-cells, and so are effective in treating osteoporosis, osteoarthritis, nerve disease, diabetes, etc. Also, the stem cells form spheres in a serum-free medium containing CORM-2, and thus can be maintained in an undifferentiated state for a long period of time. Also, the stem cells have very high proliferation rates. Accordingly, the stem cells are useful as cellular therapeutic agents.

Self-positioning of at least a portion of a transdermal electrical stimulation patch within a target area (e.g., supraclavicular fossa region) of a human body to activate a depot of brown adipose tissue therein. An electric field is generated using the electrical stimulation patch to activate the brown adipose tissue within the supraclavicular fossa region of the body. The patch is self-positioned using one or more anatomical points (e.g., anatomical landmarks and / or anatomical features) or markings on the body. Brown adipose tissue may also be activated by applying an electrical signal to a body piercing partially implanted proximate a target area in which the tissue is disposed.

Devices and methods for tissue transfer are described where a cannula may be inserted into the breast of a subject at one of several points of entry. Insertion of the cannula into the breast may be accomplished by using a guidance system to distinguish between tissue types. Once desirably positioned, the cannula may be withdrawn from the breast while automatically (or manually) injecting the fat in multiple deposits of adipose tissue or fat such that the deposited fat remains within the tract formed by the withdrawn cannula. Multiple tracts of the deposited fat may be injected within the breast until the breast has been desirably remodeled and / or augmented.

A system and method for automatically detecting and quantifying adiposity distribution is presented herein. The system detects, segments and quantifies white and brown fat adipose tissues at the whole-body, body region, and organ levels.

The invention relates to the field of cell engineering and particularly relates to a method for separating human adipose-derived stem cells from human adipose tissues. According to the method, by adding a small amount of low-molecular-weight heparin calcium into normal saline, a mixed solution is obtained and used as a cleaning fluid to clean the human adipose tissues, residual impurities such as red blood cells in the human adipose tissues can be well removed and thus human adipose-derived stem cells with relatively higher purity can be separated, the content of the parenchyma cell is significantly reduced, the differentiation induction of the human adipose-derived stem cells is facilitated, the consumption amounts of collagenase I, trypsase and a serum-free culture medium can be reduced and the cost of the process is also decreased. In addition, by centrifuging and digesting the human adipose tissues for 1 hour at a speed of 150r / min, the human adipose-derived stem cells with significantly better activity can be obtained.

A portable apparatus for collection and processing of human biological material, such as containing adipose extracted during a lipoplasty procedure, is useful for multi-step processing 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. A method of processing adipose tissue to concentrate leuko stromal vascular cells includes multi-step processing using a portable container.

The invention discloses a human-derived adipose tissue-derived stem cell factor, a preparation method and application thereof, and particularly discloses a method for culturing a human-derived adipose tissue-derived stem cell factor. The method comprises the following steps: culturing human adipose tissue-derived stem cells in a high-coenzyme serum-free culture medium until the cell confluence is 75-85 percent, and collecting supernatant. The invention further discloses a method for preparing human-derived adipose tissue-derived stem cell factor concentrated solution, the concentrated solution prepared by the method, further application of the concentrated solution, a cell factor concentrate prepared by the method, cosmetics and medicines prepared from the cell factor concentrate. The concentrated solution prepared by the method has high content of adipose tissue-derived stem cell factors and stable quality, and a product prepared by combining the concentrated solution with other materials in a specific ratio has a good effect of repairing skin injury; and the method is simple and feasible, is suitable for large-scale production, and has excellent market prospect.

The invention relates to a cryopreservation liquid and a cryopreservation method for adipose tissue-derived mesenchymal stem cells ( ADSC). The cryopreservation liquid is composed of the following materials: 3 to 10 mg / ml of vitamine C, 2 to 8 mg / ml of vitamin E, 2 to 8 mg / ml of lipoic acid, 5 to 20 volume percent of human autoserum, and DMEM-LG culture medium in balancing amount. The cryopreservation liquid for ADSC does not contain animal serum and DMSO, and is composed of human autoserum, lipoic acid, vitamin E, vitamin C and other main materials. A cell cryopreserved with the cryopreservation liquid has the advantages of high palinesthesia rate, no impact on cell growth characteristic, and maintanience of stem cell pluripotency after palinesthesia.

Self-positioning of at least a portion of a transdermal electrical stimulation patch within a target area (e.g., supraclavicular fossa region) of a human body to activate a depot of brown adipose tissue therein. An electric field is generated using the electrical stimulation patch to activate the brown adipose tissue within the supraclavicular fossa region of the body. The patch is self-positioned using one or more anatomical points (e.g., anatomical landmarks and / or anatomical features) or markings on the body. Brown adipose tissue may also be activated by applying an electrical signal to a body piercing partially implanted proximate a target area in which the tissue is disposed.

The invention discloses an isolated culture method of human adipose-derived stem cells and a construction method of a stem cell bank. The isolated culture method comprises the following steps of: (1) collecting a human adipose tissue; (2) obtaining and separating the human adipose-derived stem cells; (3) culturing the stem cells; (4) detecting and cryopreserving; and (5) constructing the stem cell bank. According to the invention, the mixed collagenase prepared from D-Hanks balanced salt solution and containing type I and type VI collagenases is employed to digest the adipose tissue so that the tissue is digested more thoroughly, the number of parenchyma cells is obviously reduced and tissue blocks are removed; the MCDB-201 culture solution containing 10-15% of fetal calf serum and 10<3>-10<5>U / Ml LIF (Leukemia Inhibitory Factor) is used for culturing the isolated stem cells so that the cells proliferate quickly and are good in morphology; the differentiation of the stem cells can be effectively inhibited and the characteristics of the primary stem cells are ensured; and in the meantime, the human adipose-derived stem cells can be promoted to grow for a long time, and to keep the features such as self-renewal and multipotential differentiation; and moreover, the obtained stem cells are saved in the bank constructed so that better-quality seed cell source is guaranteed.

The present invention relates to tissues and tissue sheets assembled from adipose-derived stromal cells. Particularly, it relates to reconstructed adipose tissues which comprise adipocytes as well as reconstructed conjunctive tissues which comprise adipose-derived stromal cells. The reconstructed tissues and sheets can be used, for example, in cosmetic applications for the replacement or addition of soft tissues, in pharmacological and toxicological applications for the in vitro testing of small molecules or cosmetic products as well as in therapeutic applications for the delivery of agents.

Human adipose tissue-derived multipotent adult stem cells are provided, which are characterized by the ability to be maintained in an undifferentiated state for a long period of time by forming spheres and which have high proliferation rates. Also provided are methods for isolating and maintaining the adult stem cells, and methods for differentiating the multipotent adult stem cells into nerve cells, fat cells, cartilage cells, osteogenic cells, muscle cells, endothelial cells, hepatic cells and insulin-releasing pancreatic β-cells. Also provided are cellular therapeutic agents for treating osteoarthritis, osteoporosis, nerve disease, diabetes and for forming breast tissue, which contain differentiated cells or the adult stem cells.

The invention relates to a serum-free adipose tissue-derived mesenchymal stem cell culture medium, which consists of a basic culture medium and added ingredients, wherein the basic culture medium is DMEM-LG, and the added ingredients and the content of each added ingredient are shown as follows: 5 to 20ng / mL of alkaline fiberblast growth factors, 5 to 20ng / mL of epidermal growth factors, 100U / mL of penicillin, 100 micrograms / mL of streptomycin, 50 to 200 micrograms / mL of heparin, 2 to 8mM of L-glutamine, 100 to 300 microM of 2-mercaptoethanol, 500 to 2000U / mL of leukaemia inhibitory factors and 0.5 to 2mM of sodium pyruvate. The serum-free adipose tissue-derived mesenchymal stem cell culture medium does not contain the serum, so that the inter-batch difference and the influence of the serum component on the cell culture can be avoided; the exogenous pollution of the serum and the toxicity of the serum on the cells can be avoided; and the ingredients are clear, so that the research of the psychological regulation mechanism of the cells can be facilitated.

The invention relates to a culture method for inducing adipose tissue-derived stromal cells to differentiate to chondrocyte, and aims to solve the problem that the prior art is low in differentiation rate. The culture method comprises the following steps: 1) performing separation of primary cells of adipose tissue-derived stromal cells; 2) performing amplification and passage of the adipose tissue-derived stromal cells; and 3) performing differentiation culture on P5-generation adipose-derived stem cells to chondrocyte, namely, adding the adipose tissue-derived stromal cells into a condition culture medium, namely, an adipose tissue-derived stromal cell chondrocyte differentiation culture medium, after P5 generation of passage, performing chondrocyte differentiation culture, replacing the medium of the cells every 3 days, observing the morphological change of the cells, and after 16 days of induction, performing Alcian blue dyeing, and identifying the chondrocyte differentiation situation of the adipose tissue-derived stromal cells. The result of Alcian blue dyeing identification shows that the chondrocyte can be formed, and the Alcian blue dyeing is positive. The culture method has the characteristics of being simple and feasible, short in induction time as the induction culture medium is a serum-free culture system, good in test repeatability and high in osteoblast differentiation rate.

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. A method of processing adipose tissue to concentrate leuko stromal vascular cells includes multi-step processing using a portable container.

The invention provides a polypeptide composition with a breast enlarging effect. The polypeptide composition comprises polypeptides capable of promoting growth of adipose tissues and a polypeptide composition body with a repairing function (such as promotion generation of collagens, elastins and laminin which enter the skin), and the concentration of each polypeptide ranges from 0.0001 to 5 percent. The composition has the effect of reinforcing connective tissues in the skin on the surfaces of breasts and can support pendulous breasts, promote growth of the adipose tissues in the breasts and enlarge the sizes of the breasts. The composition provided by the invention can be used for preparing various beautifying and skin caring products and medical products.