2. Apoptosis Autophagy Immunology/Inflammation NF-κB Metabolic Enzyme/Protease MAPK/ERK Pathway
  3. Atg8/LC3 p62 Apoptosis Autophagy Reactive Oxygen Species JNK Bcl-2 Family Caspase
  4. Astin B

Astin B 是一种口服有效的环状五肽，可从 Aster tataricus 中分离得到。Astin B 在体外和体内均具有肝毒性作用，肝损伤主要由线粒体/半胱天冬酶依赖性方式的细胞凋亡 (apoptosis) 介导。Astin B 在 L-02 细胞中诱导自噬 (autophagy)，增加 LC3-II 并降低 p62 表达。

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Custom Peptide Synthesis

Astin B Chemical Structure

Astin B Chemical Structure

CAS No. : 151201-76-2

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Astin B 相关抗体

Top Publications Citing Use of Products

查看 JNK 亚型特异性产品:

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JNK1 JNK2 JNK3 JNK

查看 Bcl-2 Family 亚型特异性产品:

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Bcl-2 Bcl-xL Bcl-W Mcl-1 Bfl-1 Bcl-B Bax Bak Bim

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Caspase 1 Caspase 2 Caspase 3 Caspase 4 Caspase 5 Caspase 6 Caspase 7 Caspase 8 Caspase 9 Caspase 10 Caspase 12 Caspase Caspase 11 Caspase-13

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Astin B is a orally active and potent cyclic pentapeptide, that can be isolated from Aster tataricus. Astin B has hepatotoxic effects in vitro and in vivo and that hepatic injury was primarily mediated by apoptosis in a mitochondria/caspase-dependent manner. Astin B induces autophagy in L-02 cells, increases LC3-II and decreases p62 expression[1].

IC50 & Target

Bcl-2

 

Bax

 

Caspase-3

 

Caspase-9

 

体外研究
(In Vitro)

Astin B (0-60 μM, 12-48 h) 抑制 L-02 细胞的增殖[1]。
Astin B (0-60 μM, 24 h) 诱导氧化应激和线粒体功能障碍，调节 Bcl-2/Bax 表达并增加 caspase-3 和 -9 活性[1]。
Astin B (0-60 μM, 24 h) 在 L-02 细胞中诱导自噬以防止细胞凋亡[1]。
Astin B 在肝细胞中引起氧化应激相关炎症，活性氧 (ROS) 水平升高、细胞内谷胱甘肽 (GSH) 含量降低以及 c-Jun 氨基末端激酶 (JNK) 磷酸化增强得到证实[1]。

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

Astin B 相关抗体:
体内研究
(In Vivo)

Astin B (10 mg/kg，口服，每天一次，连续 7 天) 诱导小鼠肝损伤[1]。

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

Animal Model: Male ICR mice (6–8 weeks of age, 10 per group)[1]
Dosage: 10 mg/kg
Administration: Orally administered, once daily for 7 consecutive days
Result: Induced liver injury in mice. Compared to the control group, the serum levels of ALT and AST in mice treated with astin B were elevated about 11.9 and 2.26 times, respectively.
分子量

586.46

Formula

C25H33Cl2N5O7
CAS 号
结构分类
初始来源
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
纯度 & 产品资料
参考文献

Astin B 相关分类

  • 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 *
= × ×

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.

Keywords:

Astin B151201-76-2Atg8/LC3p62ApoptosisAutophagyReactive Oxygen SpeciesJNKBcl-2 FamilyCaspaseAutophagy-related 8Sequestosome-1SQSTM1c-Jun N-terminal kinaseLiver injuryAster tataricusL-02 cellslactate dehydrogenaseLDHInhibitorinhibitorinhibit

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