genipin crosslinking collagen

CA2458821C

The crosslinking reagent includes a crosslinking agent such as genipin and/or proanthrocyanidin Further the crosslinking reagent may include a crosslinking agent in a carrier medium The collagenous tissue to be contacted with the crosslinking reagent is preferably a portion of an intervertebral disc or articular cartilage

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Genipin 6902

Genipin is a compound isolated from gardenia fruits Genipin is a water-soluble bifunctional crosslinking reagent with low cytotoxicity Genipin is used as a good cross-linker for proteins collagen gelatin and chitosan cross-linking In addition genipin can be used as a regulating agent for drug delivery as an anti-inflammatory agent and as the raw material for gardenia blue pigment

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Comparison of the biomechanics and fixation index of

Free Online Library: Comparison of the biomechanics and fixation index of crosslinking between lysyl oxidase and genipin on guinea pig sclera an animal model of defocus-induced high myopia (OPHTHALMOLOGY Report) by Proceedings of the Estonian Academy of Sciences Chemistry Animal models in research Usage Animal research models Biomechanics Comparative analysis

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Genipin ≥98% (HPLC) powder

Genipin is a protein collagen gelatin and chitosan cross-linker Features and Benefits This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC 1280 ) a biologically annotated collection of high-quality ready-to-screen compounds

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Genipin

Genipin is an excellent natural cross-linker for proteins collagen gelatin and chitosan cross-linking can be used as a regulating agent for drug delivery as the raw material for gardenia blue pigment preparation It is a novel chemical activator of EBV lytic cycle and a cell permeable inhibitor of uncoupling protein 2 (UCP2) Genipin has antimicrobial antiviral antitumor and anti

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Dose

The crosslinking agent genipin is increasingly invoked for the mechanical augmentation of collagen tissues and implants and has been demonstrated to arrest mechanically driven tissue degeneration This study established an in vitro dose–response baseline for the effects of genipin treatment on tendon cells and their matrix with a view to in

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Experimental and modeling study of collagen scaffolds

Experimental and modeling study of collagen scaffolds with the effects of crosslinking and fiber alignment License Date Issued 2011 Publisher Version 10 1155/2011/172389 Author(s) Xu Bin Chow Ming-Jay Zhang Yanhang Export Citation Download to BibTex Download to EndNote/RefMan (RIS)

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Genipin

Genipin is a chemical compound found in Genipa americana fruit extract It is an aglycone derived from an iridoid glycoside called geniposide which is also present in fruit of Gardenia jasminoides Genipin is an excellent natural cross-linker for proteins collagen gelatin and chitosan cross-linking It has a low acute toxicity with LD 50 i v 382 mg/kg in mice therefore much less toxic

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In situ gelation properties of a collagen

Taken together the present data show that genipin-induced crosslinking significantly improves the mechanical properties of collagen gels even at low genipin concentrations of 0 2-1 mM warranting the use of in situ gelling collagen-genipin sols for endoscopic treatments of gastrointestinal ulcers KW - Collagen KW - Fibril formation KW - Genipin

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Effect of Genipin Crosslinking on the Elastic and

Although collagen fibers are known to be viscoelastic [2] the effect of genipin-induced collagen crosslinking on the viscoelastic properties of articular cartilage has not been described In this study nanoindentation stress relaxation tests were performed before and after genipin crosslinking to determine changes to both the elastic and viscoelastic material properties of articular

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Genipin inhibits the scleral expression of miR

High myopia can lead to blindness Genipin is a collagen cross-linking agent that may be used to treat myopia However the mechanism of action of genipin for the treatment of myopia is unclear This study investigated the effect of genipin on the scleral expression of the miR-29 cluster matrix metalloproteinase 2 (MMP2) and collagen alpha1 chain of type I (COL1A1) in a guinea pig model of

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Collagen crosslinking of porcine sclera using genipin

Abstract ABSTRACT Purpose: To evaluate the effect of collagen cross-linking induced by genipin in porcine sclera Methods: Porcine cadaver eyes were treated with genipin at concentrations (by w/v) of 0 01% 0 03% 0 1% 0 3% 1 0% for 15 and 30 min Riboflavin/ultraviolet A(UVA)-treated and untreated samples were used as controls After treatment scleral strips of 4 0 10 0 mm were cut

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Genipin crosslinking of cartilage enhances resistance to

Collagen crosslinking enhances many beneficial properties of articular cartilage including resistance to chemical degradation and mechanical wear but many crosslinking agents are cytotoxic The purpose of this study was to evaluate the effectiveness of genipin a crosslinking agent with favorable biocompatibility and cytotoxicity as a potential treatment to prevent the degradation and wear

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Effect of genipin collagen crosslinking on porcine

Effect of genipin collagen crosslinking on porcine corneas J Cataract Refract Surg 36(4):659-64 doi: 10 1016/j jcrs 2009 11 003 April 2010 View on PubMed Authors Avila MY and Navia JL Abstract PURPOSETo evaluate the effect of genipin a natural crosslinker on porcine corneas SETTINGDepartment of Ophthalmology Universidad Nacional de Colombia Bogota

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Neurite Growth in 3D Collagen Gels With Gradients of

Collagen crosslinked with genipin fluoresces at 630 nm when excited by light at 590 nm (Almog et al 2004) In a previous study we found that the intensity of the fluorescence correlates well with the degree of crosslinking and storage modulus of the collagen gel (Sundararaghavan et aI 2008) As such genipin-generated patterns of crosslinks are directly visualized via fluorescence and

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Crosslinking structures of gelatin hydrogels crosslinked

Crosslinking studies in plasticized epoxies by means of dynamic measurements pdf 425 Кб Cross-linking structure of keratin IV The number of cross-linkages in low-sulfur components and the volume fraction of high-sulfur domains in various -keratin fibers pdf 659 Кб Crosslinking studies of polyetherЦester-based polyurethane systems pdf 438 Кб Crosslinking structure of keratin II

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Genipin

Controlled crosslinking of collagen gels has important applications in cell and tissue mechanics as well as tissue engineering Genipin is a natural plant extract that has been shown to crosslink biological tissues and to produce color and fluorescence changes upon crosslinking We have characterized the effects of genipin concentration and incubation duration on the mechanical and fluorigenic

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Osteogenesis and mineralization of mesenchymal stem

Genipin crosslinking supported the lowest adhesion especially during osteoblastic differentiation While significantly altered RCP scaffold chemistry did not affect osteoblastic differentiation of hMSCs After four weeks in vitro all scaffolds showed excellent cellular infiltration with up-regulated osteogenic markers (RUNX2 Osteocalcin Collagen type I) and mineralization regardless of

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