1. Stem Cell/Wnt TGF-beta/Smad
  2. TGF-β Receptor TGF-beta/Smad
  3. Sotatercept (mIgG2a)

Sotatercept (mIgG2a)  (Synonyms: RAP-011)

目录号: HY-P99590A 纯度: 99.71%
COA 技术支持

Sotatercept (mIgG2a) (RAP-011),Sotatercept (ACE-011) (HY-P99590) 的小鼠同源物,是一种可溶性激活素受体 IIA (ActRIIA) 配体陷阱。Sotatercept (mIgG2a) 通过结合并中和激活素 A 和其他 TGF-β 超家族成员 (如 Activin A/B、GDF11 和 BMP9/10),抑制这些配体与其受体的结合,从而调节细胞增殖和分化。Sotatercept (mIgG2a) 主要抑制 SMAD2/3 信号通路,可用于慢性肾病等多种疾病中。Sotatercept (mIgG2a) 降低促红细胞铁调素 (ERFE) 表达,调节铁代谢,促进红细胞生成。Sotatercept (mIgG2a) 具有促进骨形成 (促合成代谢) 和抑制骨吸收 (抗分解代谢) 的双重作用。

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Other Forms of Sotatercept (mIgG2a):

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Sotatercept (mIgG2a) (RAP-011), the murine homolog of Sotatercept (ACE-011) (HY-P99590), is a soluble activin receptor type IIA (ActRIIA) ligand trap. Sotatercept (mIgG2a) inhibits the binding of activin A and other members of the TGF-β superfamily (such as Activin A/B, GDF11 and BMP9/10) to their receptors by combining and neutralizing them, thereby regulating cell proliferation and differentiation. Sotatercept (mIgG2a) mainly inhibits the SMAD2/3 signaling pathway, and can be used in various diseases such as chronic kidney disease. Sotatercept (mIgG2a) reduces the expression of erythropoietic hepcidin (ERFE), regulates iron metabolism, and promotes red blood cell production. Sotatercept (mIgG2a) has a dual effect of promoting bone formation (anabolic) and inhibiting bone resorption (catabolic)[1][2][3][4].

同型

Mouse IgG2a kappa

推荐同型对照抗体
体外研究
(In Vitro)

Sotatercept (mIgG2a) (0.05 g/L, 1 h-5 d) 能够抑制 SMAD2 的磷酸化以及 ERFE 的表达,促使转录因子 GATA1 进入细胞核,并恢复红细胞标志物的基因表达[1]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

RT-PCR[1]

Cell Line: K562 cells
Concentration: 0.05 g/L with 50 ng/mL GDF11
Incubation Time: 5 d
Result: Significantly upregulated the erythroid differentiation markers (such as KLF1, ABCB6, etc.).
Upregulated the anti-apoptotic gene BCL2 and downregulated the pro-apoptotic genes BAX/BAD.
Significantly reduced the expression of mRNA ERFE.

Western Blot Analysis[1]

Cell Line: K562 cells
Concentration: 0.05 g/L with 50 ng/mL GDF11
Incubation Time: 0.5, 1, 2 h
Result: Significantly inhibited the phosphorylation of SMAD2 induced by GDF1.
Promoted the nuclear translocation of GATA1, accompanied by an increase in nuclear expression of HSP70 and a decrease in nuclear expression of SMAD4.
Significantly reduced the expression of ERFE protein.
体内研究
(In Vivo)

Sotatercept (mIgG2a) (0.1-10 mg/kg,皮下注射,每周两次,持续 2-6 周) 可有效促进大鼠修复过程中的骨形成[2]
Sotatercept (mIgG2a) (30 mg/kg,腹腔注射,每日一次,持续 10 天) 在促进 Hamp 转基因小鼠的红细胞生成方面表现出显著效果,同时避免了促红细胞生成素 (HY-P70409) 治疗中常见的铁缺乏问题[3]
Sotatercept (mIgG2a) (10 mg/kg,皮下注射,每周两次,持续 6 周) 可预防慢性肾脏病 (CKD) 小鼠模型中的血管钙化和肾脏纤维化[4]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Closed femoral fracture surgery established in 8-week male Wistar rats[2]
Dosage: 0.6 mg/kg biw (x 2 doses) + 0.35 mg/kg biw (x 3 doses); 0.18 mg/kg biw (x2 doses) + 0.1 mg/kg biw (x 7 doses) and 10mg/kg biw (x 12 doses)
Administration: Subcutaneous injection (s.c.), twice a week for 2-6 weeks
Result: Significantly increased callus length and bone volume at high-dose RAP-011 (10mg/kg biw), but the quality of the newly formed bone tissue was relatively low, and the improvement in mechanical properties was limited.
Demonstrated certain anabolic effects at low-dose pulsed administration.
No obvious effect at continuous low-dose administration.
Animal Model: Iron-deficiency anemia model established in C57BL/6 mice and in hepcidin antimicrobial peptide over expressing mice (Tg-Hamp mice)[3]
Dosage: 30 mg/kg
Administration: Intraperitoneal injection (i.p.), once daily for 10 days
Result: Significantly increase the hemoglobin concentration in both wild-type and Tg-Hamp mice (better).
Promoted the production of red blood cells while not causing excessive depletion of iron reserves.
Significantly increased the proportion of late erythroid precursor cells (the CD44low population).
Did not change the expression level of Hamp.
Animal Model: CKD that stimulated atherosclerotic calcification model established in high fat fed ldlr−/− mice[4]
Dosage: 10 mg/kg
Administration: Subcutaneous injection (s.c.), twice weekly for 6 weeks
Result: Reduced the calcium content and calcium deposits in the aortal.
Increased the markers of vascular smooth muscle (sm22α, αSMA) and reduced osteogenic markers (Runx2, alkaline phosphatase).
Restored the ActRIIA signal and regulated the Wnt signal.
Inhibited fibrosis mediated by Smad, increased the expression of klotho and downregulated the Wnt/Dkk1 signaling pathway.
应用

ELISA, FACS, Functional assay

偶联物

Unconjugated

复溶方法

The product can be reconstituted/diluted with sterile PBS or saline.

分子量

79.67 kDa

性状

液体

颜色

Colorless to light yellow

运输条件

Shipping with dry ice.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

Biological Activity
  • Immobilized Biotinylated Activin A Protein, Mouse (HY-P73241) can bind Sotatercept (mIgG2a). The EC50 for this effect is 472.2 ng/mL.
纯度 & 产品资料
参考文献
  • 摩尔计算器

  • 稀释计算器

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量   浓度   体积   分子量 *
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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产品名称:
Sotatercept (mIgG2a)
目录号:
HY-P99590A
需求量: