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物种
Human分子别名
Osteopontin; OPN; Bone sialoprotein 1; Nephropontin; Secreted phosphoprotein 1 (SPP-1); Urinary stone protein; Uropontin;Accession
P10451表达序列
Ile17-Asn314
表达宿主
HEK293分子量
43 kDa (Reducing)
纯度
>95% by SDS-PAGE and HPLC.内毒素含量
<0.1EU/μg活性
EC50 < 0.5μg/ml标记
Unconjugated标签
No Tag性状
Lyophilized Powder缓冲体系
PBS, pH7.4
溶解方法
Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
储存条件
·12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
·3 months, -20 to -80℃ under sterile conditions after reconstitution.
·1 week, 2 to 8℃ under sterile conditions after reconstitution.
·Please avoid repeated freeze-thaw cycles.文献引用
Science. 2000 Feb 4;287(5454):860-4.
Exp Oncol. 2004 Sep;26(3):179-84.
Osteopontin (OPN), also known as secreted phosphoprotein 1 (SPP1), is a multifunctional glycoprotein that is expressed in various tissues and cell types in humans. OPN plays a critical role in diverse biological processes, including bone remodeling, immune response, inflammation, and tissue repair. In the context of bone metabolism, OPN is involved in regulating osteoclast and osteoblast activity, as well as in the mineralization of bone matrix. OPN also functions as a cytokine and adhesive protein, mediating cell-cell and cell-matrix interactions, and modulating immune cell function and inflammatory responses. Dysregulation of OPN expression has been associated with various diseases, such as osteoporosis, cancer, and autoimmune disorders, highlighting the importance of OPN in physiological and pathological conditions.
生物活性
Determined by its ability to enhance cell adhesion of murine B16-F1 cells.The EC50 for this effect is less than 10ng/mL.
电泳
2μg (R: reducing condition, N: non-reducing condition).
反相高效液相色谱(RP-HPLC)
>95% as determined by RP-HPLC.







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