Human Lipoaspirate
Human Lipoaspirate - Related Videos
07:23
Manual Isolation of Adipose-derived Stem Cells from Human Lipoaspirates
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Cited by 136 •
2013
In 2001, researchers at UCLA described the isolation of a population of adult stem cells, termed Adipose-derived Stem Cells or ASCs, from adipose tissue. This article outlines the isolation of ASCs from lipoaspirates using a manual, enzymatic digestion protocol using collagenase.
05:02
Mechanical Micronization of Lipoaspirates for Regenerative Therapy
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Cited by 18 •
2019
Here, we present a protocol to obtain stromal vascular fraction from adipose tissue through a series of mechanical processes, which include emulsification and multiple centrifugations.
11:31
Repair of a Critical-sized Calvarial Defect Model Using Adipose-derived Stromal Cells Harvested from Lipoaspirate
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Cited by 21 •
2012
This protocol describes the isolation of adipose-derived stromal cells from lipoaspirate and the creation of a 4 mm critical-sized calvarial defect to evaluate skeletal regeneration.
12:31
In Vivo Modeling of the Morbid Human Genome using Danio rerio
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Cited by 66 •
2013
Here, we present a systematic approach for developing physiologically relevant, sensitive and specific in vivo assays for interpreting variation in human pathology. Transient genetic manipulation via microinjection of WT and mutant human mRNA and morpholino (MO) antisense oligonucleotides harness the tractability of the developing zebrafish embryo to rapidly assay pathogenic mutations, especially, but not exclusively, in the context of human developmental disorders.
10:22
Enrichment of Bruch's Membrane from Human Donor Eyes
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Cited by 14 •
2015
Identifying proteins specifically associated with Bruch’s membrane in human eyes is an important step in understanding the biochemical mechanisms behind eye diseases such as age-related macular degeneration. This protocol describes how to enrich this sheet of extracellular matrix for down-stream biochemical analysis.
FAQs
Processing determines which cellular and structural fractions remain available for study. Mechanical disruption breaks up the tissue, while washing and centrifugation help separate components by their physical properties. Collagenase digestion, when used, further releases cells from surrounding extracellular matrix. The resulting fractions can then be examined separately or placed in culture to compare their behaviors.
The stromal vascular fraction is important because it preserves a diverse cellular compartment rather than focusing only on mature adipocytes. Within a defined culture environment, adipose-derived stromal or stem cells can be assessed for how they respond and whether they adopt different mesenchymal lineages. This connects cellular behavior with signals from the adipose microenvironment.
Defined culture conditions act as experimental inputs, allowing investigators to test how adipose-derived stromal or stem cells respond and differentiate. Changing the conditions can help distinguish intrinsic cellular potential from effects produced by the surrounding microenvironment. In developmental biology, this supports controlled analysis of lineage decisions rather than relying only on mixed tissue behavior.
Comparing mature fat cells with stromal or stem-cell populations separates the behavior of already differentiated cells from that of cells retaining broader mesenchymal potential. This distinction helps researchers examine adipogenesis, the development of fat-cell characteristics, alongside alternative differentiation outcomes. The comparison also clarifies how cellular diversity contributes to organization within adipose tissue.
A typical workflow begins with mechanical disruption of the collected tissue, followed by washing and centrifugation to separate its major components. Collagenase digestion may then be used to release cells associated with the extracellular matrix. Researchers can isolate the desired fraction and expose it to defined culture conditions, where cellular responses and differentiation are evaluated.
Human lipoaspirate is especially valuable when researchers need accessible human material containing multiple adipose-associated components. It supports studies of adipogenesis, cell differentiation, tissue organization, and signaling within the adipose microenvironment. These features also allow investigators to model aspects of human development and explore how adipose-derived cells may contribute to cell-based approaches for tissue repair.