Shikonin

Catalog No.S8279 Batch:S827905

Print

Technical Data

Formula

C16H16O5
Molecular Weight 288.30 CAS No. 54952-43-1
Solubility (25°C)* In vitro DMSO 57 mg/mL (197.71 mM)
Ethanol 15 mg/mL (52.02 mM)
Water Insoluble
In vivo (Add solvents to the product individually and in order)
Clear solution
5%DMSO 40%PEG300 5%Tween80 50%ddH2O
0.23mg/ml Taking the 1 mL working solution as an example, add 50 μL of 4.6 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to make it clear. Volume up to 1 mL. The mixed solution should be used immediately for optimal results. 
* <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.)

Preparing Stock Solutions

Biological Activity

Description Shikonin, a potent and specific Pyruvate kinase M2 (PKM2) inhibitor, is a major component of zicao (purple gromwell, the dried root of Lithospermum erythrorhizon), a Chinese herbal medicine with various biological activities. It is also an inhibitor of TMEM16A chloride channel activity using cell-based fluorescent-quenching assay. Shikonin exerts an anti-inflammatory effect by inhibiting tumor necrosis factor-α (TNF-α) and prevents activation of nuclear factor-κB (NF-κB) pathway via proteasome inhibition.
Targets
chemokine receptor [1] TNF-α [4] Proteasome [4] NF-κB [1] PKM2 [3]
(FBP absence)		 View More
0.3 μM
In vitro

At nanomolar concentrations, shikonin inhibits monocyte chemotaxis and calcium flux in response to a variety of CC chemokines (CCL2 [monocyte chemoattractant protein 1], CCL3 [macrophage inflammatory protein 1α], and CCL5 [regulated upon activation, normal T-cell expressed and secreted protein]), the CXC chemokine (CXCL12 [stromal cell-derived factor 1α]), and classic chemoattractants (formylmethionyl-leucine-phenylalanine and complement fraction C5a). Shikonin down-regulates surface expression of CCR5, a primary HIV-1 coreceptor, on macrophages. The anti-HIV and anti-inflammatory activities of shikonin may be related to its interference with chemokine receptor expression and function[1]. Shikonin inhibits enterocyte calcium-activated chloride channels, the inhibitory effect is partially through inhibition of basolateral K+ channel activity[2].
In vivo

Shikonin significantly delays intestinal motility in mice and reduces stool water content in a neonatal mice model of rotaviral diarrhea without affecting the viral infection process in vivo. Shikonin has been reported to have antioxidant, antibacterial, antiparasitic, antiviral and wound-healing activities. Shikonin inhibits allergic action as well as tracheal hyperresponsiveness in vivo. Intraperitonal injection of shikonin has been demonstrated to result in some toxicity, with an LD50 of 20 mg/kg. Shikonin absorption is fast if given by oral gavage and muscle injection, as it is barely detected in the plasma after 1 min, with a oral gavage yielding a bioavailability of about 34%[2].

Protocol (from reference)

Cell Assay:

[1]
  • Cell lines

    Human monocytes

  • Concentrations

    10, 1, 0.1, 0.01 μM

  • Incubation Time

    12 and 24 hours

  • Method

    Freshly isolated human monocytes are plated in a 96-microwell plate (Costar) at 105 cells per well with shikonin at a final concentration of 10, 1, 0.1, 0.01 μM. The numbers of viable cells, as detected by MTS test and the trypan blue exclusion assay, were measured 12 and 24 h after incubation at 37°C in humidified air with 5% CO2.
Animal Study:

[2]
  • Animal Models

    Neonatal ICR mice

  • Dosages

    0.4 and 1.7 μg in 30 μL PBS

  • Administration

    oral administration

Selleck's Shikonin has been cited by 36 publications

Retinal metabolism displays evidence for uncoupling of glycolysis and oxidative phosphorylation via Cori-, Cahill-, and mini-Krebs-cycle [ Elife, 2024, 12RP91141] PubMed: 38739438
Retinal metabolism displays evidence for uncoupling of glycolysis and oxidative phosphorylation via Cori-, Cahill-, and mini-Krebs-cycle [ Elife, 2024, 12RP91141] PubMed: 38739438
Macrophage manufacturing and engineering with 5'-Cap1 and N1-methylpseudouridine-modified mRNA [ Mol Ther Methods Clin Dev, 2024, 32(3):101307] PubMed: 39229455
PKM2-mediated neuronal hyperglycolysis enhances the risk of Parkinson's disease in diabetic rats [ J Pharm Anal, 2023, 13(2):187-200] PubMed: 36908857
Shikonin reverses pyruvate kinase isoform M2-mediated propranolol resistance in infantile hemangioma through reactive oxygen species-induced autophagic dysfunction [ Cancer Sci, 2023, 114(3):806-821] PubMed: 36369903
Metabolic Reprogramming by Ribitol Expands the Therapeutic Window of BETi JQ1 against Breast Cancer [ Cancers (Basel), 2023, 15(17)4356] PubMed: 37686632
Metabolic Reprogramming by Ribitol Expands the Therapeutic Window of BETi JQ1 against Breast Cancer [ Cancers (Basel), 2023, 15(17)4356] PubMed: 37686632
Shikonin improves pulmonary vascular remodeling in monocrotaline‑induced pulmonary arterial hypertension via regulation of PKM2 [ Mol Med Rep, 2023, 27(3)60] PubMed: 36734266
Celastrol mitigates inflammation in sepsis by inhibiting the PKM2-dependent Warburg effect [ Mil Med Res, 2022, 9(1):22] PubMed: 35596191
Pyruvate Facilitates FACT-Mediated γH2AX Loading to Chromatin and Promotes the Radiation Resistance of Glioblastoma [ Adv Sci (Weinh), 2022, 10.1002/advs.202104055] PubMed: 35048565

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.

NOT FOR HUMAN, VETERINARY DIAGNOSTIC OR THERAPEUTIC USE.