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We have investigated whether caspase-3 be involved in the late stage of RANKL-induced osteoclast differentiation. Increased active caspase-3 was found in mouse monocytic RAW264 cells differentiated into mature osteoclasts by treatment with RANKL for 3 days. Co-treatment with Z-Asp-CH2-DCB, a caspase-3-specific inhibitor, augmented RANKL-induced osteoclast differentiation in RAW264 cells, also seen in mouse bone marrow macrophages. This suggests that activation of caspase-3 may play an inhibitory role at the late stage of RANKL-induced osteoclast differentiation. ""Fatty acid binding protein 3 (H-FABP, FABP3) has been significantly associated with intramuscular fat Oxygenase (IMF) content in pigs, which is positively correlated with palatability of pork. However, its underlying function is not fully elucidated. We have investigated the effects of overexpression of the FABP3 gene on differentiation and adipogenesis of 3T3-L1 preadipocytes in the fat Banna mini-pig inbred line (fBMIL). Eukaryotic vectors that expressed the FABP3 protein were constructed, and stably established in the 3T3-L1 preadipocytes cell line. Cells were induced in a standard differentiation cocktail. Morphological changes and the degree of adipogenesis were measured by Oil Red O staining assay and triacylglycerol content measurement, respectively. mRNA expression levels of triacylglycerol metabolism-related genes were measured by qPCR. FABP3 significantly promoted differentiation of 3T3-L1 cells and enhanced triacylglycerol levels (P?Capmatinib receptor �� (PPAR��), adipocyte fatty acid binding protein (422/aP2) and glycerol-3-phosphate dehydrogenase (GPDH) gene increased markedly (P?Selleckchem IOX1 of the FABP3 gene enhances adipogenesis in 3T3-L1 preadipocytes primarily by upregulating lipogenic PPAR��, 422/aP2 and GPDH genes. ""We have explored the osteogenic potency of adipose-derived stem cells from osteoporotic patients (opASCs). opASCs were osteogenically induced in vitro with collagen I hydrogel or in culture plate. Detection of alkaline phosphatase (ALPase) and cell mineralisation, and quantitative RT-PCR of collagen I, osteocalcin and bone sialoprotein were undertaken. Proliferation and morphology studies were also performed. After 14 days, opASCs-collagen I hydrogel composite was implanted into nude mice for 4 weeks prior to radiographic and histological analysis. Staining of ALPase and cell mineralisation was strongly positive in opASCs. Fibroblast-like opASCs induced with collagen I hydrogel were evenly distributed and proliferated at a higher rate than in culture plates, showing similar growth curves for both genders. Expression of ALPase activity, cell mineralisation and osteogenic specific genes were higher in opASCs with collagen I hydrogel (male samples had better osteogenicity than female samples) than in culture plates.