[Study on biological characteristics of cultured rhesus mesenchymal stem cells].
Liu LH., Sun Z., Sun QY., Huang YJ., Man QH., Guo M.
Animal Study, published in Zhongguo Shi Yan Xue Ye Xue Za Zhi (2005) — summary generated from the PubMed abstract.
Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.
- Level A · Stronger Clinical Evidence
- Level B · Emerging clinical evidence with positive signals
- Level C · Early human research exploring benefits
- Level D · Scientific groundwork from lab and animal studies
- Emerging · Emerging topic under active research
This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.
- Study type
- Animal Study
- Journal
- Zhongguo Shi Yan Xue Ye Xue Za Zhi (2005)
- Country
- China
- Reported sample size
- —
- Source database
- PubMed
- PMID
- 15972133
Abstract (original English)
This study was aimed to isolate and culture rhesus mesenchymal stem cells (MSC), and to analyze its phenotype and biological characteristics. Bone marrow was aspirated from femur of rhesus, mononuclear cells were extracted, the nonadherent cells were removed after 24 hours, adherent cells were subcultured when they grew 80% confluence. After the fifth passage, the cells were used for examination. The phenotypes of MSC were analyzed by flow cytometry, differentiated cells were identified by relevant specific staining. Cytokines' mRNA expressed by MSC were detected by RT-PCR. The results showed that rhesus MSC gave rise to a population of adherent cells characterized by the presence of a predominant cell type with a typical fibroblast-like morphology. During the log phase of growth, MSC proliferated to a two-fold population at 31 - 40 hours. MSC could be ex vivo expanded by successive cycles of trypsinization, seeding, and culture. The phenotypes expressed on rhesus MSC were Flk-1, CD29, CD105, CD166 positive and CD34, CD45, CD33 nearly negative. In various induction differentiation conditions, rhesus MSC could differentiate into the osteoblast and lipocyte. IL-6, TGF-beta were highly expressed, TNF-alpha was lowly expressed and IL-2, Fas-L, IFN-gamma were not detected on rhesus MSC using RT-PCR method. It is concluded that rhesus MSC can be successfully isolated and culture-expa
What this study does not prove
- • This study does not prove SVF is an approved treatment or a replacement for standard care.
- • This is preclinical work; animal or laboratory results cannot be applied to humans.
Evidence level
Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.
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