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- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
12个月
- 英文名:
Recombinant Matrix Metalloproteinase 2 (MMP2)
- 库存:
100
- 供应商:
上海沪震
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
Organism species Homo sapiens (Human)
Product No. RPA100Hu01
Source Prokaryotic expression
Host E.coli
Purity > 95%
UOM 50ug
Predicted Molecular Mass 25.9kDa
Predicted isoelectric point 6.4
Applications SDS-PAGE; WB; ELISA; IP.
Endotoxin Level <1.0EU per 1µg (determined by the LAL method)
Subcellular Location Secreted, extracellular space, extracellular matrix. Membrane. Nucleus.
Residues Tyr445~Cys660 (Accession # P08253) with N-terminal His-Tag
Formulation Supplied as lyophilized form in 20mM Tris, 500mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% sarcosyl, 5% trehalose, and preservative
SEQUENCES
The target protein is fused with N-terminal His-Tag, its sequence is listed below.
MGHHHHHHSGSEF-YGASPD IDLGTGPTPT LGPVTPEICK QDIVFDGIAQ IRGEIFFFKD RFIWRTVTPR 基质金属蛋白酶2(MMP2)重组蛋白 DKPMGPLLVA TFWPELPEKI DAVYEAPQEE KAVFFAGNEY WIYSASTLER GYPKPLTSLG LPPDVQRVDA AFNWSKNKKT YIFAGDKFWR YNEVKKKMDP GFPKLIADAW NAIPDNLDAV VDLQGGGHSY FFKGAYYLKL ENQSLKSVKF GSIKSDWLGC
USAGE
Reconstitute in sterile PBS, pH7.2-pH7.4.
STORAGE AND STABILITY
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8oC for one month. Aliquot and store at -80oC for 12 months.
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
About the MARKER (complimentary)
Effective Size Range: 10kDa to 70kDa.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
基质金属蛋白酶2(MMP2)重组蛋白 Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验【求助】关于培养中细胞的基质金属蛋白酶(MMPs)的检测问题
topicare 逼人行将做一个关于基质金属蛋白酶(MMPs)的实验,阅读了一些文献,发现MMPs的功能较多,其中一个重要的作用就是在恶性肿瘤的侵袭和转移中发挥重要作用。此外MMPs的多水平调节也相当复杂,但是,目前已有的研究表明激素、生长因子、癌基因和细胞周期素均可影响MMPs的转录,其中IL-1、IL-12、表皮生长因子(EGF)、血小板衍生生长因子(PDGF)、转化生长因子α(TGFα)、肿瘤坏死因子α(TNFα)均能上调MMPs的表达,而转化生长因子β
【讨论】有没有研究EMT的,请过来看一看(MMP 2/9对肾纤维化的正负作用!)!!
, 3) TBM disruption, and 4) enhanced cell migration and invasion.)。 那么在步骤(3)中,TBM disruption主要是指MMPs对TBM的破坏作用,根据文献具体来说是指明胶酶MMP 2/9水解IV型胶原,从而破坏TBM,并直接促进EMT的发展导致肾脏纤维化。我的问题也就出在这个上面! 大家知道MMPs是指基质金属蛋白酶,它的主要作用是水解细胞外基质(ECM)等各型胶原成分,另外它还可以作为信号分子参与很多细胞因子的信号
)功能失稳并转化为致病性效应细胞,促进IL-17等炎症因子产生,加重如EAE和关节炎等疾病。同时,IL-1作用于胰岛细胞、成纤维细胞等非免疫细胞,干扰其功能,导致组织损伤,在1型/2型糖尿病、类风湿关节炎和系统性硬化症等疾病中推动炎症与病情进展。 IL-1在伤口愈合和血栓形成中的作用 皮肤损伤时,IL-1可启动炎症反应,招募免疫细胞,并促进成纤维细胞增殖与胶原合成,加速伤口修复,同时调节基质金属蛋白酶(MMPs)参与组织重塑。但IL-1过度激活则导致慢性炎症,阻碍愈合。此外,过强的IL-1信号可促进
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