In aesthetic procedures, the material called “adipose stem cells” is usually a cell cluster obtained by processing harvested fat. It contains stem cells together with several other cell types. This is called SVF (stromal vascular fraction). It is a different material from adipose-derived cells (ASC) whose numbers have been increased by culture.
3-Line Summary
1. SVF is a mixture of several cell types obtained from fat and does not go through a culture step.
2. The phrase “taken from you” alone does not identify the material. You also need to confirm whether it is fat or bone marrow, and how it was processed.
3. Even when the same name SVF is used, enzymatic isolation and mechanical isolation produce different materials. Check the processing method in the information sheet and the consent form.
Check three things in the material name
The phrase “autologous stem cells” alone does not identify the actual material. Looking in order at who it came from, which tissue it came from, and how it was processed makes the difference in materials clear.
Criteria set by international societies also do not judge cells by tissue name alone. Saying that the cells came from fat only identifies the source. You need to confirm cell composition and processing steps as well to distinguish materials that share the same name.
| Phrase to check in the information | What it tells you | What to check next |
|---|---|---|
| Harvested from you | The material used is yours, not another person’s | Whether it is fat or bone marrow, and how it was processed |
| Bone marrow–derived or adipose-derived | The tissue from which the cells were obtained | Isolation and culture methods |
| SVF | Mixed cells obtained by processing fat, not cultured | Whether isolation was enzymatic or mechanical |
| Cultured ASC | Material expanded by culturing adipose-derived cells | Whether it is labeled separately from SVF |
Why start with the name?
The phrase “adipose stem cells” gives the impression that only one type of stem cell is being used. Actual SVF contains a mix of several cell types. Knowing whether it is SVF or cultured cells lets you tell whether a culture step is involved.
Cellinique labels the procedure page SVF autologous adipose-derived stem cells. The name pairs a familiar search term with the official abbreviation to show the scope of the material.
Four sentences to confirm when you hear the explanation
Ask the following as written, rather than relying on promotional copy.
- □ What is the official name and the English abbreviation?
- □ Is there a culture step?
- □ Is isolation enzymatic or mechanical?
- □ Does the material name on the consent form match the information guide?
Bone marrow–derived and adipose-derived differ at the source
Bone marrow–derived and adipose-derived cells come from different tissues. The comparison cited in this article is a study of cells intended for bone tissue. Within that scope, the finding was that more cells are obtained from lipoaspirate, with a comparatively smaller harvest burden.
In laboratory tests, bone marrow–derived cells generally showed a higher capacity to become bone cells, while studies in living bodies had mixed results. This comparison should be read within the scope of bone-tissue research. When comparing aesthetic procedures, first distinguish the tissue source and the result of processing.
To look at material sources such as blood and fat together with everyday procedure names, continue with the PRF, SVF, and skin booster source-material guide.
Enzymatic isolation and mechanical isolation produce different materials
Enzymes loosen and detach cells from adipose tissue. Mechanical methods mince the fat and leave some of the tissue structure. Even when the same name SVF is used, the material actually used is different.
In several countries, processing that uses enzymes is treated as a separate review item. Regulatory decisions follow the actual processing method and the rules of the country where the procedure is performed, not the promotional name.
| Processing method | Material obtained | Why it should be checked |
|---|---|---|
| Enzymatic isolation | Cells loosened and detached from tissue | Treated in several countries as a separate review item |
| Mechanical isolation | Material that retains some tissue structure | Composition differs from the product of enzymatic isolation |
Frequently asked questions
Q1. Is SVF pure stem cells?
SVF is a mixture of several cell types that includes stem cells. It is more accurate to understand it as “a cell cluster obtained by processing fat” than as “one type of stem cell.”
Q2. Is SVF made from my own fat?
Autologous adipose-derived SVF is made from fat harvested from you. Fat is harvested, then the cells are isolated for use.
Q3. Does SVF also culture cells to increase their number?
SVF does not culture cells to increase their number after isolation from fat. ASC expanded by culturing adipose-derived cells are classified separately.
Q4. Why ask about enzymatic versus mechanical isolation?
Because the two methods leave different materials and have different regulatory descriptions. Check the actual processing method in the information sheet and the consent form.
Q5. Which has better aesthetic results, bone marrow–derived or adipose-derived?
The comparison study cited in this article addressed cells intended for bone tissue. Aesthetic effects on skin are evaluated with separate clinical evidence that measured those outcomes directly.
Results, duration, and suitability vary with individual skin condition, age, and lifestyle, and the same outcome cannot be guaranteed.
Procedures may cause temporary redness or swelling, and contraindications may apply, so please confirm these during your consultation.
This article is general information and does not replace individual medical care. Please confirm diagnosis and treatment suited to your condition during a consultation.
Source materials
- IFATS/ISCT joint statement, Cytotherapy: Stromal cells from the adipose tissue-derived stromal vascular fraction and culture expanded adipose tissue-derived stromal/stem cells (PMID 23570660)
- ISCT position statement, Cytotherapy: Minimal criteria for defining multipotent mesenchymal stromal cells (PMID 16923606)
- Liao and Chen, World Journal of Stem Cells: Osteogenic potential: Comparison between bone marrow and adipose-derived mesenchymal stem cells (PMID 25126378)
- Trivisonno et al., Stem Cells Translational Medicine: Intraoperative Strategies for Minimal Manipulation of Autologous Adipose Tissue for Cell- and Tissue-Based Therapies (PMID 31599497)
Related reading
Continue with the guides below for the SVF procedure process and how other autologous materials differ.
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