mouse anti-human collagen type 2 (col2 (Developmental Studies Hybridoma Bank)
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Mouse Anti Human Collagen Type 2 (Col2, supplied by Developmental Studies Hybridoma Bank, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1) Product Images from "Towards Clinical Translation of In Situ Cartilage Engineering Strategies: Optimizing the Critical Facets of a Cell-Laden Hydrogel Therapy"
Article Title: Towards Clinical Translation of In Situ Cartilage Engineering Strategies: Optimizing the Critical Facets of a Cell-Laden Hydrogel Therapy
Journal: Tissue Engineering and Regenerative Medicine
doi: 10.1007/s13770-022-00487-9
Figure Legend Snippet: Minimum expansion time frame to obtain chondrogenic hADSCs from the isolation phase. A Representative brightfield images of cryosections from pellet culture stained with SafraninO (in pink) and Haematoxylin (in purple) to identify cell’s nuclei. B Representative confocal images of cryosections from pellet immunostained with Phalloidin-RFP (Actin, in red), Collagen type 2 (Col 2, in cyan) and counterstained to detect cells nuclei (DAPI, in white). Superimposed channels are shown in the last row of panels (MERGE). For all the stainings, the cryosections were obtained from cells pelleted after 5 and 7 days of non-passaged proliferation, pushed into 3 weeks of chondrogenic differentiation. The calculated Collagen type 2 intensity from day 0 to day 21 in reported as Fold Increase (F.I.) in the day 21 panels of their corresponding groups
Techniques Used: Isolation, Staining
Figure Legend Snippet: Assessment of minimal hADSCs concentration required for chondrogenesis in cell-laden hydrogel bioscaffolds. A Representative confocal images of cryosections from bioscaffolds from the 3 different hADSCs/ml groups, assessed using immunostaining for DAPI, Actin and Collagen type 2 (Col 2). The cryosections has been obtained by cutting the samples along the z axis to provide spatial information from the top to the bottom of the bioscaffolds. B Superimposed high magnification of the selected white square areas (I and II) in ( A ). C The graphs show the quantification expressed as fold change relative to 1.25 hADCSs/ml group at day 21 post chondrogenesis. The Collagen type 2 (Col 2) intensity signal was calculated and averaged from 16 different ROI from the Collagen II stained cryosections (see Figure S7). D The graphs show the quantification of Glycosaminoglycan (GAG) content measured via the normalisation of GAG over total DNA present in the processed bioscaffolds and expressed as fold change relative to 1.25 hADSCs/ml group at day 21 post chondrogenesis. E Chondrogenic gene expression analysis: the bar graphs represent the fold changes calculated with 2 ΔΔCΤ method of Collagen type 2A1 (COL2A1), Aggrecan (ACAN), Sox9 (SOX9) and Collagen type 1A2 (COL1A2) markers in RT-qPCR assay, relative to 1.25 hADSCs/ml group at day 21 post chondrogenesis. GAPDH was used as the housekeeping gene. Graph bars represent standard error margin between three biological replicates. Statistical analysis was performed using an unpaired t-test
Techniques Used: Concentration Assay, Immunostaining, Staining, Expressing, Quantitative RT-PCR
Figure Legend Snippet: In situ stem cells-laden hydrogel therapy in a rabbit in vivo cartilage repair model. A Representative macroscopic pictures (Macro) and images from Haematoxylin and Eosin (H&E) stained paraffin sections from explanted samples of the indicated groups. Representative confocal images of paraffin sections from explanted samples of the indicated groups assessed using immunostaining for Collagen type 2 (Col 2, in cyan) and Collagen type 1 (Col 1, in red). Overimposed images of the two channels are shown in the Merge raw. B The graph shows the macroscopic score using the International Cartilage Repair Society (ICRS) system for the indicated groups, calculated at the end of the 8 weeks study on the explants. C The graph shows the microscopic score calculated at the end of the 8 weeks study on the HandE and Col1 and 2 stained paraffin sections. D The graph shows the percentage of the Collagen 1 (Col 1) and Collagen 2 (Col 2) positive areas. Graph bars represents the mean with standard deviation of 4 different regions along the entire diameter of the defect for each sample analysed calculated at the end of the 8 weeks study on the immunostained paraffin sections. E The graph shows the biomechanical evaluation using atomic force microscopy calculated at the end of the 8 weeks study on the explants and expressed as Young Modulus (kPa kilopascals). Statistical analysis was performed using unpaired t-test
Techniques Used: In Situ, In Vivo, Staining, Immunostaining, Standard Deviation, Microscopy
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