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  4. BIO-1211

BIO-1211 is a highly selective and orally active α4β1 (VLA-4) inhibitor, with IC50 values of 4 nM and 2 μM for α4β1 and α4β7, respectively.

For research use only. We do not sell to patients.

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BIO-1211 Chemical Structure

BIO-1211 Chemical Structure

CAS No. : 187735-94-0

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1 mg USD 140 In-stock
5 mg USD 350 In-stock
10 mg USD 560 In-stock
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Based on 2 publication(s) in Google Scholar

BIO-1211 Related Antibodies

Top Publications Citing Use of Products

View All Integrin Isoform Specific Products:

View All Isoforms
αvβ1 αvβ3 αvβ5 αvβ6 αvβ8 α5β1 α1β1 α2β1 α4β1 α9β1 αIIbβ3 α4β7 αLβ2

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

BIO-1211 is a highly selective and orally active α4β1 (VLA-4) inhibitor, with IC50 values of 4 nM and 2 μM for α4β1 and α4β7, respectively[1][2][3].

IC50 & Target[3]

α4β1

4 nM (IC50)

α4β7

2 μM (IC50)

In Vitro

BIO-1211 almostly exhibits no activity for α1β1, α5β1, α6β1, αLβ2 and αIIbβ3[3].

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

BIO-1211 Related Antibodies
In Vivo

BIO-1211 (5 and 10 mg/kg, orally, once every other day) results in reduced cytokines expression, leukocyte trafficking, and inhibition of inflammatory responses in EAE in a dose-independent manner. BIO-1211 exhibits a considerable depletion in the EAE clinical score, which correlated with decreased expression of TNF-α, IL-17, IFN-γ and pervade of CD11b+ and CD45+ cells into the cerebral cortex[2].

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

Animal Model: Naive, C57BL/6 mice (male, 8 weeks old, 20-25 g weight)[2].
Dosage: 5 and 10 mg/kg.
Administration: Orally once every other day starting the day before immunization until day 21 post-immunization.
Result: Could prevent the induction of EAE.
Significantly delayed the onset of EAE and reduced the severity of clinical EAE compared to the vehicle group.
Markedly reduced the expression of both CD11b and CD45 in comparison with the vehicle group.
mRNA and soluble form of a subset of target inflammatory cytokines (IFNγ, IL-17, and TNF-α) was dramatically decreased.
Molecular Weight

708.80

Formula

C36H48N6O9
CAS No.
Appearance

Solid

Color

White to off-white

Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

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

Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (352.71 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.4108 mL 7.0542 mL 14.1084 mL
5 mM 0.2822 mL 1.4108 mL 2.8217 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

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

    Solubility: ≥ 2.08 mg/mL (2.93 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 2.08 mg/mL (2.93 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

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

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.4108 mL 7.0542 mL 14.1084 mL 35.2709 mL
5 mM 0.2822 mL 1.4108 mL 2.8217 mL 7.0542 mL
10 mM 0.1411 mL 0.7054 mL 1.4108 mL 3.5271 mL
15 mM 0.0941 mL 0.4703 mL 0.9406 mL 2.3514 mL
20 mM 0.0705 mL 0.3527 mL 0.7054 mL 1.7635 mL
25 mM 0.0564 mL 0.2822 mL 0.5643 mL 1.4108 mL
30 mM 0.0470 mL 0.2351 mL 0.4703 mL 1.1757 mL
40 mM 0.0353 mL 0.1764 mL 0.3527 mL 0.8818 mL
50 mM 0.0282 mL 0.1411 mL 0.2822 mL 0.7054 mL
60 mM 0.0235 mL 0.1176 mL 0.2351 mL 0.5878 mL
80 mM 0.0176 mL 0.0882 mL 0.1764 mL 0.4409 mL
100 mM 0.0141 mL 0.0705 mL 0.1411 mL 0.3527 mL
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BIO-1211 Related Classifications

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:

BIO-1211187735-94-0BIO1211BIO 1211IntegrinInhibitorinhibitorinhibit

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