1. Cytoskeleton
  2. Arp2/3 Complex
  3. Cytochalasin B

Cytochalasin B (Synonyms: Phomin)

製品番号: HY-16928 純度: >99.0%
取扱説明書

Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, disrupting the formation of actin polymers, with Kd value of 1.4-2.2 nM for F-actin.

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Cytochalasin B 構造式

Cytochalasin B 構造式

CAS 番号 : 14930-96-2

容量 価格(税別) 在庫状況 数量
1 mg USD 80 在庫あり
Estimated Time of Arrival: December 31
5 mg USD 340 在庫あり
Estimated Time of Arrival: December 31
10 mg USD 620 在庫あり
Estimated Time of Arrival: December 31
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100 mg   お問い合わせ  

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製品説明

Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, disrupting the formation of actin polymers, with Kd value of 1.4-2.2 nM for F-actin.

IC50 & Target

Kd: 2.2 nM (F-actin, with Mg2+), 1.4 nM (F-actin, with Mg2+/K+)[1]

体外実験

Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, inhibits the enlongation and shortening of actin filaments, with Kds of 2.2 nM and 1.4 nM for F-actin in the presence of MgCl2 (2 mM) or MgCl2 (2 mM) plus KCl, respectively[1]. Cytochalasin B (0.1-10 μM) shows inhibitory effect on multiple murine cancer cell lines, with IC50s of 2.56 μM (M109c), 10.46 μM (B16BL6), 105.5 μM (P388/ADR), 51.9 μM (P388/S) and IC80s of 12.23 μM (M109c), 44.86 μM (B16BL6), 188.4 μM (P388/ADR), 84.1 μM (P388/S) after treatment for 3 h, with IC50s of 0.25 μM (M109c), 0.37 μM (B16F10), 0.87 μM (B16BL6), and IC80s of 0.75 μM (M109c), 1.21 μM (B16F10), 10.41 μM (B16BL6) after treatment for 4 days[2]. Cytochalasin B (6 μM) increases the myofibrillar fragmentation index (MFI), which is attributed to the intensely breaking of myofibrillar proteins into short segments. Cytochalasin B also accelerates the disruption of actin filaments. In addition, Cytochalasin B accelerates the transformation from F-actin to G-actin, lowering the content of F-actin and significantly increasing G-actin bands during postmortem conditioning[3].

体内実験

Cytochalasin B (10, 25, 50 mg/kg, i.p.) dose-dependently increases the life expectancy of Balb/c mice bearing with P388/ADR leukemias. Cytochalasin B at 50 mg/kg produces 10 % long-term survival in the multidrug resistant P388/ADR cohort, and 40 % long-term survival in the drug sensitive P388/S cohort[2].

臨床実験
分子量

479.61

分子式

C₂₉H₃₇NO₅

CAS 番号

14930-96-2

SMILES
輸送条件

Room temperature in continental US; may vary elsewhere.

保管条件
Powder -20°C 3 years
In solvent -80°C 6 months
  -20°C 1 month
溶剤 & 溶解度
体外: 

DMSO : ≥ 100 mg/mL (208.50 mM)

Ethanol : 25 mg/mL (52.13 mM; Need ultrasonic)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0850 mL 10.4251 mL 20.8503 mL
5 mM 0.4170 mL 2.0850 mL 4.1701 mL
10 mM 0.2085 mL 1.0425 mL 2.0850 mL
*Please refer to the solubility information to select the appropriate solvent.
体内:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

  • 4.

    Add each solvent one by one:  10% EtOH    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

  • 5.

    Add each solvent one by one:  10% EtOH    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

  • 6.

    Add each solvent one by one:  10% EtOH    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.21 mM); Clear solution

*All of the co-solvents are provided by MCE.
参考文献
細胞実験
[2]

The attached cell lines M109c, B16BL6, and B16F10 are seeded at 1 to 4 × 104 cells/mL in 2 mL volumes in 24-well culture plates 1 day prior to treatment with Cytochalasin B. The suspension culture of P388/ADR cells is seeded at 5 × 104 cells/mL and allowed to grow overnight before Cytochalasin B treatment. Cells are treated with Cytochalasin B for 3 h, as well as 2, 3, or 4 days. In the case of continuous exposure for 2, 3, or 4 days, attached cells are trypsinized and counted with a hemacytometer. Leukemia cell suspensions are counted with a Coulter Counter. In the case of short-term exposure, cells are washed twice with fresh medium, then trypsinized (except for P388/ADR cells), reseeded, and allowed to regrow for 3 days, at which time they are counted. Growth results are calculated as the number of cells generated above the seeding density compared to the untreated control cells and graphically presented as percent of control increase[2].

MCE はこれらの方法の精度を確認していません。 こちらは参照専用です。

動物実験
[2]

Mice[2]
For chemotherapy testing, Balb/c mice under isoflurane anesthesia are challenged with 2 × 105 trypan blue negative P388/S or P388/ADR cells subcutaneously (s.c.) in a volume of 200 μL. Untreated mice are kept in order to determine the lethality of the challenge without chemotherapeutic intervention. Long-term survival is defined as challenged mice that survive the duration of the observation period. Cytochalasins B and D are prepared in suspension form in 2 % carboxymethyl cellulose 1 % tween 20 (CMC/Tw) for intraperitoneal (i.p.) administration. The congeners or the vehicle are administered to leukemia-challenged mice on Days 1-8 following the initial challenge[2].

MCE はこれらの方法の精度を確認していません。 こちらは参照専用です。

参考文献

純度: >99.0%

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Keywords:

Cytochalasin BPhominArp2/3 ComplexActin-related protein 2/3 complexInhibitorinhibitorinhibit

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製品名:
Cytochalasin B
製品番号:
HY-16928
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