ArticleStem cell research & therapy2024
Human platelet lysate enhances small lipid droplet accumulation of human MSCs through MAPK phosphorylation.
Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Beyond Passage Numbers: How Culture Conditions and Population-Doubling Metrics Reporting Shape the Quality of Umbilical Cord-Derived MSCs and Extracellular Vesicles.International journal of molecular sciences · 2026Review
- Regenerative Therapies for Cosmetic Dermatology for Patients with Diabetes Mellitus: Skin Aging, Aesthetic Concerns, and Evidence-Based Best Practices.International journal of molecular sciences · 2026Review
- Platelet Lysate-Based Biomaterials for Regenerative Tissue Engineering: A Comprehensive Review.International journal of nanomedicine · 2026Review
- Systematic evaluation of porcine platelet lysate as a fetal bovine serum substitute: enhancing cell proliferation, maintaining differentiation potential, and ensuring immunophenotypic stability.Stem cell research & therapy · 2025Article
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8 authors.
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Abstract
backgroundHuman platelet lysate (hPL) has emerged as a promising serum substitute to enhance the self-renewal and multipotency of human mesenchymal stem cells (MSCs). Despite its potential, the specific biological mechanisms by which hPL influences MSC phenotypes remain inadequately understood.
methodsWe investigated the biological signaling activated by hPL in two common types of human MSCs: bone marrow-derived MSCs (BMSCs) and adipose-derived MSCs (ASCs). Cell adhesion and cell-matrix interaction were assessed through immunofluorescence staining and western blotting. The impact of hPL on lipid droplet formation in MSCs was thoroughly examined using oil red O/BODIPY staining, semi-quantitative analysis, and qRT-PCR. RNA sequencing and intracellular inhibition assays were also performed to elucidate the mechanisms by which hPL modulates MSC behavior.
resultsMSCs cultured in hPL medium demonstrated a reduction in cell size, spreading area, and vinculin puncta, while enhancing cell proliferation and lipid droplet accumulation compared to those cultured in control media. Notably, the lipid droplets in hPL-treated MSCs were significantly smaller than those in adipocyte-like cells differentiated from MSCs, highlighting hPL's distinctive role in lipid production. Gene and protein expression profiles of hPL-treated MSCs differed from those in adipocyte-like cells. An angiogenic factor array revealed that hPL-MSCs had a distinct angiogenic factor profile compared to FBS-MSCs, with VEGF expression closely linked to HIF-1α expression. RNA-seq data identified approximately 1,900 differentially expressed genes (DEGs) between hPL-MSCs and FBS-MSCs, with enrichment in focal adhesion, ECM-receptor interaction, and PI3K-Akt/MAPK signaling pathways. Inhibition of MAPK phosphorylation significantly hampered lipid formation in hPL-MSCs, underscoring the pivotal role of MAPK signaling in hPL-driven adipogenesis.
conclusionThis study reveals the biological mechanisms by which hPL infleunces MSC behavior and differentiation, offering new insights into its potential application in regenerative medicine and tissue engineering.
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