
This Control CHP is a scrambled version of the Target that does not bind to unfolded collagen.
The collagen hybridizing peptide (CHP) is a novel and unique peptide that specifically binds unfolded collagen chains, both in vitro and in vivo.[1,2,3] By sharing the Gly-X-Y repeating sequence of natural collagen, CHP has a strong capability to hybridize with denatured collagen chains by reforming the triple helical structure, in a fashion similar to DNA fragments annealing to complementary DNA strands. CHP is extremely specific: it has negligible affinity to intact collagen molecules due to lack of binding sites, and it is inert towards non-specific binding because of its neutral and hydrophilic nature.
The in vivo CHP incorporates our newest sequence which allows them to be directly injected into animals without having to pre-activate them with a heating step. [4] Therefore, the in vivo CHPs will always be in their active form and will not self-hybridize once injected. [4] The sCy7.5-CHP is a powerful in vivo tool which enables straightforward detection of inflammation and tissue damage caused by a large variety of diseases, as well as tissue remodeling during development and aging.[3] CHP can measure and localize mechanical injury to collagenous tissue at the molecular level.[5]
The sCy7.5-CHPs are labeled with sulfonated-cyanine 7.5 dye for near-infrared fluorescence (NIRF) detection. This wavelength offers better tissue penetration while minimizing tissue autofluorescence.
Specificity: CHP binds to the unfolded triple-helical chains of all collagen types (e.g., I, II, III, IV, etc).[3,6]
Applications: in vivo imaging, small animal imaging
Features
- New sequence designed for in vivo use- does not need any pre-activation step unlike CHPs for histology
- Near-infrared imaging probe minimizes the chance of autofluorescence in the gut or certain tissues
- Can be used for systemic or in situ injection
- Signal lasts at target sites for days, allowing for imaging at multiple time points with a single dose
- High affinity and unparalleled specificity to collagen turnover with essentially no nonspecific binding
- Applicable to all types of collagen from all species, relying on collagen’s secondary structure instead of any defined sequence for binding
- Stable in solution under 4 °C up to three months, eliminating the need to aliquot for storage
Key Publications
1.Targeting and mimicking collagens via triple helical peptide assemblies. Curr. Opin. Chem. Biol., 2013. [link]
2.Targeting collagen strands by photo-triggered triple-helix hybridization. Proc. Natl. Acad. Sci. U.S.A., 2012. [link]
3.In situ imaging of tissue remodeling with collagen hybridizing peptides. ACS Nano, 2017. [link]
4.Visualizing collagen proteolysis by peptide hybridization: From 3D cell culture to in vivo imaging. Biomaterials, 2018. [link]
5.Molecular level detection and localization of mechanical damage in collagen enabled by collagen hybridizing peptides. Nat. Commun., 2017. [link]
6.Direct detection of collagenous proteins by fluorescently labeled collagen mimetic peptides. Bioconjug. Chem., 2013. [link]
Additional Information
- sCy7.5-CHP dose can be adjusted based on animal model or application. Current dosing is based on a mouse model.
Categories | Biochemical Reagents |
---|---|
Filter | ECM |
Excitation/Emission | 778/797 nm |
Storage | -20 °C or below |
美国埃施朗(Echelon)公司在快速发展低碳经济和节约能源的大潮中,以美国埃施朗公司发明的LonWorks控制网络技术为基础的能源管理服务方案被越来越广泛的使用。在世界上有约9000万个内置埃施朗公司的智能网络芯片的终端设备被LonWorks控制网络连接在一起,由智能能源管理控制服务器通过Internet远程监视,控制,诊断和管理,如路灯、电表、执行器、传感器等等。其应用领域涉及楼宇、工厂、交通系统、家庭、公共设施,智能电网,绿色城市等。该能源管理服务方案包括150项专利,已有450多家OEM(原始设备制造商)厂商和90家特许集成商在为该方案提供产品和服务。通过Internet,无论是在办公楼里电梯门的开启和关闭,或者厂房间能源使用数据的采集,埃施朗公司的产品和服务使您在一个网络环境中管理设备。今天,LonWorks控制网络平台已成为全球控制网络技术的公认标准。我们在家庭、列车、半导体制造设备、智能楼宇、加油站、火车制动系统领域的网络系统解决方案,已经被许多世界标准组织采纳作为各自行业的标准,这包括:ISO/IEC对控制网络和楼宇管理规范的国际标准ISO/IEC14908-1,-2,-3和-4、中国控制联网标准GB/Z20177.1,.2,.3和.4、中国商业楼宇和住宅建设的国家标准GB/T20299.4-2006、AAR(美国铁路协会)、ANSI/CEA709.1,.2,.3和ANSI/CEA-852(美国国家标准协会),ASHRAE(美国暖通空调工程师协会),IEEE(电子电气工程师协会),IFSF(美国加油站标准论坛)和SEMI(半导体设备与材料协会)等。埃施朗公司在美国、英国、中国、日本、德国、法国、韩国和荷兰等地设立了办事处,在美洲、亚洲、欧洲各地都有商业伙伴,并为用户提供90多种产品。Echelon公司在NASDAQ股票交易所的交易代码是ELON。埃施朗公司中国代表处于一九九五年底成立,并于2001年初重新组建成埃施朗公司大中华区北京办事处至今,并设立多家代理更好地为广大中国用户提供产品和服务。其间,我们相继成立LonSupport大中华区技术支持中心、大中华区上海联络处、大中华区广州联络处。已经有超过百家中国厂商加入了LonWorks控制网络的OEM行列,从事开发新产品,承接公用事业、工业自动化、楼宇、小区智能化和运输等行业的项目。埃施朗公司将为中国的绿色,低碳,节能,环保的发展进入世界先进水平继续不懈地努力。
EchelonBiosciences成立于1997年10月3日,总部坐落于在美国犹他州。从1997到2004,EBI主要用于政府的补助金以及产品的销售收入来资助其研究工作。2005年初,EBI的依特钠Zentaris购买(NAS:AEZS)的MEP抗感染,PI3激酶小分子程序,目录业务,与科学专业。2007年末,前沿科学公司(FSI)在洛根,犹他州购买了EBI,专业从事卟啉和硼化学。自公司成立以来以来,EBI保留了开发研究试剂脂质新的检测方法。不断开拓**,从而推动药物研究的新发型。
EchelonBiosciences是美国杰出免疫学产品供应商,专业提供各种抗体、分析检测试剂盒、抑制剂等产品,尤其擅长以细胞信号、脂类代谢和标记物研究为主的相关产品。为研究治疗诸如癌症、糖尿病、炎症、感染和心脑血管疾病专家提供**有效工具。
EchelonBiosciences为生命科学社区提供的产品包括:
抗体 分析检测试剂盒
抑制剂 细胞信号产品
脂类代谢 标记物
一笔230万美元的国防部赠款将帮助神经科学家为急诊室和战场开发新的治疗方法。这项研究将集中于开发新的疗法,以帮助保护大脑和其他在创伤、心脏病发作或中风后处于危险中的器官。 罗彻斯特大学医学中心的神经学家MarcHalterman,M.D.,Ph.D该研究的首席研究员说:“虽然我们在中风或心脏骤停后恢复血液流动的能力方面取得了重大进展,但医学界并没有药物来防止这些事件发生后的继发性损害。“这项资助将进一步推进我们对一类既具有抗炎作用又具有细胞保护作用的药物的研究,我们相信这类药物将适用于军事和紧急情况。”该项目是与盐湖城的一个合成抗生素化学家团队合作开发的,该团队由MarkNelson,Ph.D领导,他将担任EchelonBiosciences的副研究员。
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