ackground: osteoarthritis is a leading cause of disability worldwide; cartilage degeneration and disability is the central feature. significant advances in tissue engineering holds the promise to regenerate damaged cartilage tissue. However, the formidable challenge is to develop a network construction of three-dimensional (3D) that can regulate the local immune environment to facilitate osteochondral intrinsic regeneration. Objective: This study was to evaluate the efficacy of a 3D-printed decellularized cartilage extracellular matrix (ECM) and polyethylene glycol diakrilat (PEGDA) integrates novel scaffold (PEGDA / ECM) together with honokiol natural compounds (Hon) for regeneration of the defect osteochondral.
Study Design: Controlled laboratory study.
Methods: We used a 3D printer based stereolithography to PEGDA / ECM bioprinting. A total of 36 Sprague-Dawley rats with a cylindrical osteochondral defect in the groove trochlear femur were randomized into three different treatment: no implantation of the scaffold (Defect group), the 3D printed PEGDA / ECM scaffold alone (PEGDA / group ECM), or Hon depends on a 3D-printed scaffold PEGDA / ECM (PEGDA / ECM / hon group). 12 rats that underwent surgery incision medial parapatellar only be used as normal controls. Postoperative femur specimens were harvested at 4 and 8 weeks for gross, micro-CT, and histological evaluation. Efficacy PEGDA / ECM / Hon scaffolding on the release of proinflammatory cytokines from macrophages stimulated by lipopolysaccharide (LPS) was evaluated in vitro.
Results: In-vitro results determined that PEGDA / ECM / Hon scaffold can suppress the release of proinflammatory cytokines from macrophages stimulated by LPS. Macroscopic picture shows that / Hon groups PEGDA / ECM has ICRS scored significantly higher than the defect and PEGDA / ECM group. Micro-CT evaluation showed that much thinner tissue formed at the defect site implanted with scaffolds PEGDA / ECM or PEGDA / ECM / Hon scaffold compared with untreated defects. Histological analysis showed that the group PEGDA / ECM / Hon had a significant increase in the regeneration of osteochondral at 4 and 8 weeks after surgery compared with ECM / PEGDA or disabled people.
Conclusion: This study shows that 3D printing of PEGDA / ECM hydrogels combine anti-inflammatory phytomolecule honokiol could provide a promising scaffold for osteochondral defect repair.
3D-Printed Extracellular Matrix/Polyethylene Glycol Diacrylate Hydrogel Incorporating the Anti-inflammatory Phytomolecule Honokiol for Regeneration of Osteochondral Defects
Bee venom exerts systemic anti-arthritic and anti-inflammatory properties in a mouse model of arthritis
Bee venom (BV) is widely used as a traditional Chinese medicine to treat a variety of conditions, including rheumatoid arthritis (RA). The purpose of this study was to evaluate the effect of systemic BV (60 mg / kg) as a natural anti-rheumatic products, compared with methotrexate and identify the underlying mechanisms of action BV possibility of using an adjuvant-induced arthritis rat complete Freund.
The development of signs of RA signs (knee circumference joints and arthritis index scores) were evaluated. erythrocyte sedimentation rate, serum tumor necrosis factor-α (TNF-α) and serum interleukin-1β (IL-1β) levels were measured at the end of the study. Histopathological examination followed by immunostaining of NF-kB (P65) performed on the affected knee joints. In addition, in vitro cyclooxygenase (COX) inhibition activity, carrageenan foot edema test and acetic acid writhing test was performed to evaluate the effect of anti-inflammatory and analgesic doses were assessed and compared with diclofenac.
Description: The product of this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling. [provided by RefSeq].
Description: The product of this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling. [provided by RefSeq].
Description: Integrin alpha-5, also known as FNRA or VLA5A, is a protein that in humans is encoded by the ITGA5 gene. The product of this gene belongs to the integrin alpha chain family. Integrins are integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling.
Description: Enzyme-linked immunosorbent assay kit for quantification of Human Integrin alpha-5 in samples from serum, plasma, tissue homogenates and other biological fluids.
Description: Quantitativesandwich ELISA kit for measuring Human Integrin alpha-5 (ITGA5) in samples from serum, plasma, cell culture supernates, urine, cerebrospinalfluid (CSF). A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Human Integrin alpha-5(ITGA5) in samples from serum, plasma, cell culture supernates, urine, cerebrospinalfluid(CSF). Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: A sandwich quantitative ELISA assay kit for detection of Human Integrin Alpha 5 (ITGa5) in samples from tissue homogenates, cell lysates or other biological fluids.
Description: A sandwich quantitative ELISA assay kit for detection of Human Integrin Alpha 5 (ITGa5) in samples from tissue homogenates, cell lysates or other biological fluids.
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Integrin Alpha 5 (ITGa5) in Tissue homogenates, cell lysates and other biological fluids.
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Integrin Alpha 5 (ITGa5) in Tissue homogenates, cell lysates and other biological fluids.
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Integrin Alpha 5 (ITGa5) in Tissue homogenates, cell lysates and other biological fluids.
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Integrin Alpha 5 (ITGa5) in Tissue homogenates, cell lysates and other biological fluids.
Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Human Integrin Alpha 5 (ITGa5) in samples from Tissue homogenates, cell lysates and other biological fluids with no significant corss-reactivity with analogues from other species.
Description: The product of this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling. [provided by RefSeq].
Description: The product of this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling. [provided by RefSeq].
Description: Integrin alpha-5, also known as FNRA or VLA5A, is a protein that in humans is encoded by the ITGA5 gene. The product of this gene belongs to the integrin alpha chain family. Integrins are integral membrane proteins composed of an alpha chain and a beta chain. This gene encodes the integrin alpha 5 chain. Alpha chain 5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form a fibronectin receptor. In addition to adhesion, integrins are known to participate in cell-surface mediated signalling.
Description: The product of this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha subunit and a beta subunit that function in cell surface adhesion and signaling. The encoded preproprotein is proteolytically processed to generate light and heavy chains that comprise the alpha 5 subunit. This subunit associates with the beta 1 subunit to form a fibronectin receptor. This integrin may promote tumor invasion, and higher expression of this gene may be correlated with shorter survival time in lung cancer patients. Note that the integrin alpha 5 and integrin alpha V subunits are encoded by distinct genes. [RefSeq]
Mouse Anti Human Integrin Alpha V Beta 5 Monoclonal Antibody
Description: A sandwich ELISA kit for detection of Integrin Alpha 5 from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.
Description: Integrin alpha-5 belongs to the Integrin alpha chain family and contains 7 FG-GAP repeats. Integrin alpha-5 joins with Integrin- beta 1 to form a fibronectin and laminin receptor which recognizes the sequence R-G-D in its ligands. In case of HIV-1 infection, the interaction with extracellular viral Tat protein seems to enhance angiogenesis in Kaposi's sarcoma lesions. It is expressed on fibroblasts, endothelial cells, peripheral T cells and platelets. Integrin alpha-5 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains. In addition to adhesion, ITGA5 participates in cell-surface mediated signalling.
Description: Enzyme-linked immunosorbent assay kit for quantification of Mouse Integrin alpha-5 in samples from serum, plasma, tissue homogenates and other biological fluids.
Description: A competitive ELISA for quantitative measurement of Human Integrin Alpha 6 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Integrin Alpha 6 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Integrin Alpha 6 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Recombinant Antibody to Integrin Alpha 5 (ITGa5) (Human), Biotinylated
Description: A competitive ELISA for quantitative measurement of Human Integrin alpha-M in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Integrin alpha-M in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Integrin alpha-M in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Integrin alpha-X in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Integrin alpha-X in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Integrin alpha-X in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: Enzyme-linked immunosorbent assay kit for quantification of Human Integrin alpha-4 in samples from serum, plasma, tissue homogenates and other biological fluids.
Description: Enzyme-linked immunosorbent assay kit for quantification of Human Integrin alpha-9 in samples from serum, plasma, tissue homogenates and other biological fluids.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta1, the gut mucosal homing receptor for peripheral T cells.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta1, the gut mucosal homing receptor for peripheral T cells.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta7, the gut mucosal homing receptor for peripheral T cells.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta7, the gut mucosal homing receptor for peripheral T cells.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta7, the gut mucosal homing receptor for peripheral T cells.
Description: Integrin alpha 4 Antibody: The integrin alpha 4 (also known as CD49d and ITGA4) belongs to the integrin alpha chain family of proteins. Integrins are heterodimeric integral membrane proteins composed of an alpha and beta chains. Alpha4 chain associates with either beta1 or beta7 chain. It has been demonstrated that the putative ligand-binding sites of both integrin alpha4beta1 and alpha4beta7 is located on the alpha4 chain. These ligands included Madcam, VCAM, and fibronectin. Madcam is known as the principal ligand for integrin alpha4beta7. Recently it was also demonstrated that HIV-1 envelope can mimic Madcam by binding to and signaling though integrin alpha4beta7, the gut mucosal homing receptor for peripheral T cells.
Description: ITGA2 id a protein that belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane glycoproteins composed of a distinct alpha chain and a common beta chain. They are found on a wide variety of cell types including, T cells, fibroblasts and platelets. Integrins are involved in cell adhesion and also participate in cell-surface mediated signalling.
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An acute toxicity test conducted to establish security BV at high doses. The results of this study highlight the potential for systemic BV to prevent the development of signs of RA. BV also significantly reduce the serum levels of TNF-α, IL-1β and NF-kB in the affected joint
Chris
