| Size | Price | |
|---|---|---|
| 100mg | ||
| 250mg | ||
| 500mg |
| ln Vitro |
Teplizumab (10 ng/mL–10 μg/mL, 5 days) stimulates the growth of human CD8+ T cells [3]. On CD8+ cells (newly isolated PBMC), teplizumab (6 days) enhances the expression of CD25 and intracellular CTLA4 [3].
|
|---|---|
| ln Vivo |
Teplizumab (0.24 mg/kg, i.p.) increases the migration of human CD4 T cells into the lamina propria and abolishes the therapeutic impact of this medication on graft survival in NSG mice [2].
|
| Cell Assay |
Cell proliferation assay[1]
Cell Types: human PBMC Tested Concentrations: 10 ng/mL, 100 ng/mL, 1 μg/mL, 10 μg/mL. Incubation Duration: 5 days Experimental Results: Induction of cell proliferation (measured by incorporation of [3H]thymidine in 5-day assay. |
| Animal Protocol |
Animal/Disease Models: NOD/SCID IL2γc-/- (NSG) mice (tolerant humanized mouse model) [1]
Doses: 0.24 mg/kg, 5 μg Route of Administration: intraperitoneal (ip) injection Experimental Results: The CD4:CD8 ratio in peripheral blood diminished from 2.03 to 1.01, p < 0.05. Circulating hCD4 cells were diminished in peripheral blood. The proportion of T cells in the bone marrow and lungs is diminished. The total number of human CD45+ cells infiltrating the lamina propria of the small intestine increases. |
| References |
[1]. Kevan C Herold, et al. An Anti-CD3 Antibody, Teplizumab, in Relatives at Risk for Type 1 Diabetes. N Engl J Med. 2019 Aug 15;381(7):603-613.
[2]. Frank Waldron-Lynch, et al. I Analysis of FcR non-binding anti-CD3 mAb in humanized mice identifies novel human gut tropic cells with regulatory function that are found in patients. Sci Transl Med. 2012 Jan 25;4(118):118ra12. [3]. Brygida Bisikirska, et al. TCR stimulation with modified anti-CD3 mAb expands CD8+ T cell population and induces CD8+CD25+ Tregs. J Clin Invest. 2005 Oct;115(10):2904-13. |
| CAS # |
876387-05-2
|
|---|---|
| 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 (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
|---|
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.
Products are for research use only; We do not sell to patients
Copyright 2020 InvivoChem LLC | All Rights Reserved
