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  3. Carboxymethyl chitosan

Carboxymethyl chitosan  (Synonyms: 羧甲基壳聚糖)

目录号: HY-W250111
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Carboxymethyl chitosan 是壳聚糖的衍生物。Carboxymethyl chitosan 能抑制凋亡 (Apoptosis) 和 ROS 的产生。Carboxymethyl chitosan 能增加 Bcl-2 的表达,并降低 Baxcytochrome ccaspase-3 的表达。Carboxymethyl chitosan 能抑制多种细胞的迁移。Carboxymethyl chitosan 对 Lewis 肿瘤和肝癌具有抗肿瘤作用。

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Carboxymethyl chitosan

Carboxymethyl chitosan Chemical Structure

CAS No. : 83512-85-0

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  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Carboxymethyl chitosan is a derivative of chitosan. Carboxymethyl chitosan inhibits Apoptosis and ROS. Carboxymethyl chitosan increases the expression of Bcl-2 and reduces the expression of Bax, cytochrome c and caspase-3. Carboxymethyl chitosan inhibits the migration of various cells. Carboxymethyl chitosan exerts antitumor effects on Lewis tumors and hepatocarcinoma[1][2][3][4][5][6][7][8].

IC50 & Target[1][2][3][4][5][6][7][8]

Bax

 

Bcl-2

 

Caspase-3

 

体外研究
(In Vitro)

Carboxymethyl chitosan (100 μg/mL;4 天) 可促进正常皮肤成纤维细胞增殖,但抑制瘢痕疙瘩成纤维细胞增殖[1]
Carboxymethyl chitosan 水凝胶与标准壳聚糖水凝胶相比,表现出更强的细胞迁移能力[2]
Carboxymethyl chitosan (50-200 μg/mL;8 h) 可提高暴露于 H2O2 的Schwann 细胞的活力,并以浓度依赖性方式降低 LDH 的释放[3]
Carboxymethyl chitosan (0.5-2.0 mg/mL;24-48 h) 可显著抑制人脐静脉内皮细胞的迁移 (HUVEC)[4]
Carboxymethyl chitosan (50-200 μg/mL;1 h) 以剂量依赖性方式抑制 IL-1β 诱导的兔软骨细胞凋亡[5]
Carboxymethyl chitosan (4.0-5.0 mg/mL;48 h) 降低 OS-RC-2、NCI-H1650 和 HT-29 细胞活力[6]
Carboxymethyl chitosan (1.0-5.0 mg/mL;12-24 h) 可显著剂量依赖性地抑制 BEL-7402 细胞的二维迁移[7]

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

Apoptosis Analysis[3]

Cell Line: Schwann cells
Concentration: 5, 100, 200 μg/mL
Incubation Time: 8 h
Result: Increased the expression of the anti-apoptotic protein Bcl-2 and decreased the expression of the pro-apoptotic proteins Bax, cytochrome c, and caspase-3.
Reduced cell apoptosis rates by 45.9%, 23.2%, and 9.3% at concentrations of 5 μg/mL, 100 μg/mL, and 200 μg/mL, respectively.
体内研究
(In Vivo)

Carboxymethyl chitosan (75-300 mg/kg;腹腔注射;第 1、3、5、7、9、11、13 天给药) 可抑制小鼠肝癌 H22 肿瘤模型中的肿瘤血管生成[4]
Carboxymethyl chitosan (20-120 mg/kg;静脉注射;隔日一次;共 7 次) 可显著抑制 Lewis 肿瘤组织的生长,增加荷瘤小鼠的脾脏指数,使肝细胞和肺细胞排列更有序,表明其可有效抑制 Lewis 肿瘤的生长和转移[6]
Carboxymethyl chitosan (1350 mg/kg;腹腔注射) 对大鼠凝血、抗凝、纤溶或血液流变学参数无显著影响[8]

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

Animal Model: Kunming mice (female, 18-22 g, 6-8 weeks old); Mouse hepatocarcinoma H22-bearing tumor model[4]
Dosage: 75 mg/kg, 150 mg/kg, 300 mg/kg (dissolved in normal saline)
Administration: Intraperitoneal injection, administered on days 1, 3, 5, 7, 9, 11, 13
Result: Inhibited the growth of H22 tumor tissue.
Showed inhibition rates of 32.63%, 51.43% and 29.89% at doses of 75 mg/kg, 150 mg/kg and 300 mg/kg, respectively.
Decreased CD34, VEGF and increased TIMP-1.
Increased the thymus index and spleen index of the mice, and enhanced serum IFN-γ and TNF-α levels.
CAS 号
性状

固体

颜色

White to off-white

中文名称

羧甲基壳聚糖

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性数据
细胞实验: 

H2O 中的溶解度 : 10 mg/mL (超声助溶)

  • 摩尔计算器

  • 稀释计算器

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

质量
=
浓度
×
体积
×
分子量 *

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

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

动物溶解方案计算器
请输入动物实验的基本信息:

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

由于实验过程有损耗,建议您多配一只动物的量
计算结果
工作液所需浓度 : mg/mL
您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
纯度 & 产品资料

参考文献
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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Carboxymethyl chitosan
目录号:
HY-W250111
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