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Technical Data
| Formula | C6H7N3O |
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| Molecular Weight | 137.14 | CAS No. | 54-85-3 | |
| Solubility (25°C)* | In vitro | DMSO | 27 mg/mL (196.87 mM) | |
| Water | 27 mg/mL (196.87 mM) | |||
| Ethanol | 27 mg/mL (196.87 mM) | |||
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* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.) |
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Preparing Stock Solutions
Biological Activity
| Description | Isoniazid is a prodrug that blocks the action of fatty acid synthase by interacting with KatG , used for the prevention and treatment of tuberculosis. |
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| In vitro | Isoniazid is a prodrug that requires activation by the mycobacterial catalase-peroxidase enzyme (KatG) to an active form that then exerts a lethal effect on an intracellular target or targets. [1] Isoniazid upregulates the expression of an operon containing five FAS II components, including kasA and acpM. Isoniazid results in the accumulation of ACP-bound lipid precursors to mycolic acids that are 26 carbons long and fully saturated. [2] Isoniazid enters the mycobacterial cell by passive diffusion. Isoniazid itself is not toxic to the bacterial cell, but acts as a prodrug and is activated by the mycobacterial enzyme KatG, a multifunctional catalase-peroxidase that has other activities, including peroxynitritase and NADH oxidase. Isoniazid inhibits cell wall lipid synthesis, coupled with the findings that inhibitory INH adducts of NAD+/NADP+ are formed from the isonicotinoyl radical, leading the field away from this area. [3] Isoniazid induces a concentration-dependent (0-40 mM) cytotoxic effect in day-1 treated HepG2 cells and not significantly affected by decreases in intracellular GSH concentrations. [4] |
| In vivo | Isoniazid increases CYP2E1 protein, and the 6-hydroxychlorzoxazone formation rate is increased by 2.7 and 2.2-fold in liver and kidney, respectively. Isoniazid decreases liver and kidney 20-HETE content to 34% and 15.6% of control, respectively, without significantly altering tissue 19-HETE concentration. [5] |
Protocol (from reference)
References
Selleck's Isoniazid has been cited by 6 publications
| Repurposing Tamoxifen as Potential Host-Directed Therapeutic for Tuberculosis [ mBio, 2022, e0302422.] | PubMed: 36475748 |
| Pharmacological inhibition of fatty acid synthesis blocks SARS-CoV-2 replication [ Nat Metab, 2021, 10.1038/s42255-021-00479-4] | PubMed: 34580494 |
| Pharmacological Poly (ADP-Ribose) Polymerase Inhibitors Decrease Mycobacterium tuberculosis Survival in Human Macrophages [ Front Immunol, 2021, 12:712021] | PubMed: 34899683 |
| Pharmacological Poly (ADP-Ribose) Polymerase Inhibitors Decrease Mycobacterium tuberculosis Survival in Human Macrophages [ Front Immunol, 2021, 12:712021] | PubMed: 34899683 |
| Repurposing diphenylbutylpiperidine-class antipsychotic drugs for host-directed therapy of Mycobacterium tuberculosis and Salmonella enterica infections [ Sci Rep, 2021, 11(1):19634] | PubMed: 34608194 |
| Enniatin A1, A Natural Compound with Bactericidal Activity against Mycobacterium tuberculosis In Vitro. [ Molecules, 2019, 25(1)] | PubMed: 31861925 |
RETURN POLICY
Selleck Chemical’s Unconditional Return Policy ensures a smooth online shopping experience for our customers. If you are in any way unsatisfied with your purchase, you may return any item(s) within 7 days of receiving it. In the event of product quality issues, either protocol related or product related problems, you may return any item(s) within 365 days from the original purchase date. Please follow the instructions below when returning products.
SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.
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