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折扣/货期| 货号：GTX28448 | 规格：200μl | 目录价：￥9500 |
产品详情
* 以下信息仅供参考，详情请以原厂网站为准
产品名称:
Osteopontin antibody
别名:
secreted phosphoprotein 1 , BNSP , BSPI , ETA-1 , OPN
反应种属:
Human, Mouse, Rat
宿主来源:
Rabbit
实验应用:
ELISA, ICC/IF, IHC, IHC-Fr, IHC-P, IP, WB
靶标/特异性:
Osteopontin is directed against human osteopontin. The antibody recognizes the full-length osteopontin protein (which runs at 66 kDa on westerns), as well as the C-terminal fragments of both thrombin and MMP-cleaved OPN. The 32 kDa MMP-cleaved C-fragment is recognized, but not the 40 kDa N-terminal fragment.
同种型:
IgG
免疫原:
Synthetic peptide from the human osteopontin protein, conjugated to KLH using maleimide, also available as GTX29078.
克隆性:
Polyclonal
克隆号:
偶联:
Unconjugated
产品浓度:
95 mg/ml (Please refer to the vial label for the specific concentration.)
保存温度:
Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.
运输温度:
4°C
预期分子量:
35
产品形式:
Liquid
存储溶液:
20mM Potassium Phosphate, 150mM NaCl, 0.01% Sodium azide.
生产商:
GeneTex
功能与背景:
Osteopontin (OPN) is an arginine-glycine-aspartic acid (RGD)-containing glycoprotein that interacts with integrins and CD44 as major receptors (ref 1). OPN is multifunctional, with activities in cell migration, cell survival, inhibition of calcification, regulation of immune cell function, and control of tumor cell phenotype (ref 1-4). Targeting of the gene encoding OPN, spp1 , has revealed that while OPN is not necessary for normal embryonic development, fertility, and health under pathogen-free conditions (ref 5, 6), loss of the protein has significant consequences in several models of injury/disease as diverse as renal injury, viral and bacterial infection, bone remodeling, and tumor growth (ref 7-12). The fact that no other proteins seem to share a redundant activity with OPN under these conditions suggests that OPN has a unique functional role during tissue injury and stress. Interestingly, several members of the matrix metalloproteinase (MMP) family are also induced during injury/disease processes in patterns overlapping that of OPN (ref 13). OPN has recently been shown to be a novel substrate for two MMPs, MMP-3 (stromelysin-1) and MMP-7 (matrilysin) (ref 14). There are three cleavage sites for MMP-3 in human OPN, two of which are also cleaved by MMP-7 (see cleavage diagram). Biological assays demonstrate that the MMP-cleaved OPN has increased activity in promoting both cell adhesion and migration compared with full-length OPN. In addition, using inhibitory reagents, it was shown that the same receptors that interact with OPN also mediate interaction of MMP-cleaved OPN with tumor cells, suggesting that active forms of OPN at sites of tissue injury may be regulated by the activity of proteases including MMPs and that the differences in activity of modified OPN may be explained by differences in binding affinity of integrins or distinct downstream signaling events (ref 14).
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