BMP-4 Protein, Mouse (HEK293, Fc)

目录号: GC27020纯度: >98%

骨形态发生蛋白 4 (BMP-4) 是一种多效性配体蛋白,属于 TGFβ 家族,参与血管系统循环,可以激活血管细胞上的受体。BMP-4 结合 I 型受体 (ALK-2/-3/-6) 和 II 型受体 (BMPR2, ACVR2A),通过其促炎和促动脉粥样硬化作用增加斑块形成,促进氧化应激、内皮功能障碍和成骨分化。


BMP-4 Protein, Mouse (HEK293, Fc)
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2ug¥558.00现货
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50ug¥4,860.00现货
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产品描述 Description

骨形态发生蛋白 4 (BMP-4) 是一种多效性配体蛋白,属于 TGFβ 家族,参与血管系统循环,可以激活血管细胞上的受体。BMP-4 结合 I 型受体 (ALK-2/-3/-6) 和 II 型受体 (BMPR2, ACVR2A),通过其促炎和促动脉粥样硬化作用增加斑块形成,促进氧化应激、内皮功能障碍和成骨分化。重组小鼠 BMP-4 蛋白 (HEK293, Fc) 全长 116 个氨基酸 (S293-R408),由 HEK293 细胞表达,带有 N 端 rabbit Fc 标签。

骨形态发生蛋白4(BMP-4)是一种多效性配体蛋白,属于TGFβ家族。BMP-4 参与脉管系统循环,可激活血管细胞上的受体[1]
BMP-4/TGFβ 信号传导可被抑制性 SMAD 终止,包括 SMAD6 和 SMAD7,这些 SMAD 被激活BMP-4 广泛存在于不同动物体内,而人类的序列与大鼠高度相似(96.81 %) 和小鼠 (97.54%)。
BMP-4 由内皮细胞 (EC) 在缺氧反应中表达,并促进血管 SMC 增殖。因此,它抑制从近端肺动脉分离的平滑肌细胞 (SMC) 增殖,同时诱导从远端肺动脉分离的 SMC 增殖[5]
BMP-4 似乎是一种血管钙化的标志物和驱动因素,特别是在动脉粥样硬化中[6]
BMP-4 诱导血管生成、内皮细胞 (EC) 增殖和迁移[7] 。
BMP-4 在钙化动脉粥样硬化斑块中差异表达[8],作为动脉粥样硬化血管钙化与正常骨形成机制之间的链接器[9] 。
BMP-4 通过其促炎和促动脉粥样硬化作用增加斑块形成,促进氧化应激、内皮功能障碍和成骨分化[3]

在体外,BMP-4(1 ng/mL;2-4 小时)通过双特异性磷酸酶 9 抑制小鼠胚胎干细胞(ESC)中的 ERK 活性[1]

References:

[1]. Yang P, et al. The role of bone morphogenetic protein signaling in vascular calcification. Bone. 2020 Dec;141:115542.
[2]. Miyazawa K, et al. Regulation of TGF-β Family Signaling by Inhibitory Smads. Cold Spring Harb Perspect Biol. 2017 Mar 1;9(3):a022095.
[3]. Herrera B, et al. A rapid and sensitive bioassay for the simultaneous measurement of multiple bone morphogenetic proteins. Identification and quantification of BMP4, BMP6 and BMP9 in bovine and human serum. BMC Cell Biol. 2009 Mar 19;10:20.
[4]. Yang X, et al. Dysfunctional Smad signaling contributes to abnormal smooth muscle cell proliferation in familial pulmonary arterial hypertension. Circ Res. 2005 May 27;96(10):1053-63.
[5]. Scimeca M, et al. Plaque calcification is driven by different mechanisms of mineralization associated with specific cardiovascular risk factors. Nutr Metab Cardiovasc Dis. 2019 Dec;29(12):1330-1336.
[6]. David L, et al. Emerging role of bone morphogenetic proteins in angiogenesis. Cytokine Growth Factor Rev. 2009 Jun;20(3):203-12.
[7]. Dhore CR, et al. Differential expression of bone matrix regulatory proteins in human atherosclerotic plaques. Arterioscler Thromb Vasc Biol. 2001 Dec;21(12):1998-2003.
[8]. Demer LL, et al. Mechanism of calcification in atherosclerosis. Trends Cardiovasc Med. 1994 Jan-Feb;4(1):45-9.
[9]. Boström K, et al. Bone morphogenetic protein expression in human atherosclerotic lesions. J Clin Invest. 1993 Apr;91(4):1800-9.
[10]. Li Z, et al. BMP4 Signaling Acts via dual-specificity phosphatase 9 to control ERK activity in mouse embryonic stem cells. Cell Stem Cell. 2012 Feb 3;10(2):171-82.

产品文档 Product Documents

Product Data

Purity
Greater than 95% as determined by reducing SDS-PAGE.
Source
HEK293
Physical Appearance
Lyophilized powder.
Synonyms
BMP-2B; BMP-4; Bone morphogenetic protein 4; DVR4
Amino Acid Sequence
SPKHHPQRSRKKNKNCRRHSLYVDFSDVGWNDWIVAPPGYQAFYCHGDCPFPLADHLNSTNHAIVQTLVNSVNSSIPKACCVPTELSAISMLYLDEYDKVVLKNYQEMVVEGCGCR
Apparent Molecular Weight
Approximately 40.6-50 kDa Da
Stability
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Biological Activity
Measured by its ability to induce alkaline phosphatase production by ATDC5 mouse chondrogenic cells.The ED<sub>50</sub> for this effect is 11.22 ng/mL, corresponding to a specific activity is 8.913×10<sup>4</sup> U/mg.
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4 or PBS, pH 6.5, 8% trehalose.