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SMIFH2

Cat No.:V8684 Purity: ≥98%
SMIFH2 (SMIFH 2; SMIFH2) is a novel and potent small molecule inhibitor of formin-mediated actin orformin homology 2 (FH2) domains.
SMIFH2
SMIFH2 Chemical Structure CAS No.: 340316-62-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description

SMIFH2 (SMIFH 2; SMIFH2) is a novel and potent small molecule inhibitor of formin-mediated actin or formin homology 2 (FH2) domains. It prevents formin-mediated actin nucleation and barbed end elongation, disrupts formin-dependent actin cytoskeletal structures in fission yeast and mammalian NIH 3T3 fibroblasts.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
In U2OS cells, SMIFH2 (25 uM; 1–16 hours) causes dynamic cytoskeletal reorganization [1]. Protease-independent, SMIFH2 (25 μM) lowers p300, mDia2, and p53 levels [1]. By influencing cytoskeletal reorganization through a post-transcriptional, proteasome-independent mechanism, SMIFH2 lowers p53 expression and function [1].
Cell Assay
Western Blot Analysis[1]
Cell Types: 293T, A375, U2OS and MDA-MB-231 Cell
Tested Concentrations: 25 μM
Incubation Duration: 5 hrs (hours) for 293T, U2OS, MDA-MB-231 cells; 2.5 hrs (hours) for A375 cells
Experimental Results: mDia2, p53 and p300 protein levels were downregulated.
References

[1]. SMIFH2 has effects on Formins and p53 that perturb the cell cytoskeleton. Sci Rep. 2015 Apr 30;5:9802.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C15H9N2O3SBR
Molecular Weight
377.21256
Exact Mass
375.952
CAS #
340316-62-3
PubChem CID
2258538
Appearance
Light yellow to green yellow solid powder
LogP
3.214
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
2
Heavy Atom Count
22
Complexity
537
Defined Atom Stereocenter Count
0
SMILES
O=C1/C(/C(NC(=S)N1C2=CC=CC(Br)=C2)=O)=C/C3=CC=CO3
InChi Key
MVFJHEQDISFYIS-XYOKQWHBSA-N
InChi Code
InChI=1S/C15H9BrN2O3S/c16-9-3-1-4-10(7-9)18-14(20)12(13(19)17-15(18)22)8-11-5-2-6-21-11/h1-8H,(H,17,19,22)/b12-8+
Chemical Name
(5E)-1-(3-bromophenyl)-5-(furan-2-ylmethylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~125 mg/mL (~331.38 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 2.08 mg/mL (5.51 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.6510 mL 13.2552 mL 26.5104 mL
5 mM 0.5302 mL 2.6510 mL 5.3021 mL
10 mM 0.2651 mL 1.3255 mL 2.6510 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Biological Data
  • SMIFH2 affects the cytoskeleton and the Golgi complex of U2OS cells. (A) SMIFH2 induces dynamic cytoskeletal remodelling in U2OS cells. U2OS cells were treated with SMIFH2 or DMSO for the indicated time (Time, (h) = hour). Fixed cells were stained with anti-β-tubulin (Alexa-488) and anti-Giantin antibodies (Alexa-647; red in merge), TRITC-conjugated phalloidin to visualize F-actin, and DAPI to stain the nucleus (blue in merge). Representative maximal confocal projections are shown. Scale bar, 20 µm. (B) Downregulation of mDia2 and p53 by SMIFH2 temporally overlap. U2OS cells were treated with either DMSO or SMIFH2 in parallel as in (A). Total cell lysates were separated by SDS-PAGE and blotted with the indicated antibodies. Vinculin served as loading control. Gels were run under the same experimental conditions and blots were cropped for final display.[1].Tadamoto Isogai, et al. SMIFH2 has effects on Formins and p53 that perturb the cell cytoskeleton. Sci Rep. 2015 Apr 30;5:9802.
  • SMIFH2 affects the cytoskeleton and the Golgi complex of HCT116 cells. (A) SMIFH2 induces dynamic cytoskeletal remodelling in wild-type HCT116 cells. Wild-type HCT116 cells were treated as in Fig. 1A. Fixed cells were stained for F-actin (TRITC-Phalloidin), β-tubulin (Alexa-488), Giantin (Alexa-647; red in merge) and the nucleus (DAPI; blue in merge). Representative maximal confocal projections are shown. Scale bar, 10 µm. (B) SMIFH2 decreases p53 levels in HCT116 cells. Wild-type HCT116 cells were treated with SMIFH2 or DMSO for the indicated time (Time, (h) = hour). Total cell lysates were separated by SDS-PAGE and blotted with the indicated antibodies. Vinculin served as loading control. Gels were run under the same experimental conditions and blots were cropped for final display.[1].Tadamoto Isogai, et al. SMIFH2 has effects on Formins and p53 that perturb the cell cytoskeleton. Sci Rep. 2015 Apr 30;5:9802.
  • SMIFH2 affects migration and cell division of U2OS cells. (A-C) SMIFH2 increases cell movement. DMSO- or SMIFH2-treated cells were manually tracked and analysed for (A) net displacement, (B) directionality during movement and (C) migration speed as described in the Methods. Averages and SEM are indicated with black lines (Unpaired t-test; n = 96-106 cells from at least two independent experiments). (D) SMIFH2 increases migration speed during the first few hours of treatment. Average migration speed of cells tracked in (C) was plotted per every hour. (Unpaired t-test; ** = p < 0.01; *** = p < 0.001; n = 96-106 cells from at least two independent experiments). (E) SMIFH2-treated cells move farther during the first few hours of treatment. Displacement of cells was determined from cells tracked in (A). Data were plotted as in (D). (Unpaired t-test; ** = p < 0.01; *** = p < 0.001; **** = p < 0.0001; n = 96-106 cells from at least two independent experiments). (F) SMIFH2-treated cells show reduced mitotic entry. DMSO- and SMIFH2-treated cells entering in mitosis were detected as described in the Methods. Percentage of cells entering mitosis was plotted per every hour. Data represents average and SEM (n = 463-504 cells from at least two independent experiments). Unpaired t-test was employed to assess statistical significance (Unpaired t-test; *** = p < 0.001; **** = p < 0.0001). Colour-coded dashed lines highlight the average mitotic index over 16 hours.[1].Tadamoto Isogai, et al. SMIFH2 has effects on Formins and p53 that perturb the cell cytoskeleton. Sci Rep. 2015 Apr 30;5:9802.
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