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Chemical Structure| 172922-91-7 Chemical Structure| 172922-91-7

Structure of FICZ
CAS No.: 172922-91-7

Chemical Structure| 172922-91-7

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FICZ is a tryptophan-derived, high affinity Ah receptor ligand and an efficient inducer of CYP1A1 gene expression in short time incubation (0.5 h) experiments. It is also a potent aryl hydrocarbon receptor (AHR) agonist, and also has the qualities of a perfect substrate for mammalian CYP1 enzymes.

Synonyms: 6-Formylindolo[3,2-b]carbazole

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Product Details of FICZ

CAS No. :172922-91-7
Formula : C19H12N2O
M.W : 284.31
SMILES Code : O=CC1=C2C(NC3=C2C=CC=C3)=CC4=C1NC5=C4C=CC=C5
Synonyms :
6-Formylindolo[3,2-b]carbazole
MDL No. :MFCD09879259
InChI Key :ZUDXFBWDXVNRKF-UHFFFAOYSA-N
Pubchem ID :1863

Safety of FICZ

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H332-H335
Precautionary Statements:P261-P280-P305+P351+P338

Isoform Comparison

Biological Activity

In Vitro:

Cell Line
Concentration Treated Time Description References
N2a cells 250 nM 12 hours Activating AhR significantly increases NEP expression and enzyme activity PMC8419060
HaCaT cells 5 pM 2 hours FICZ significantly enhanced the level of CYP1A1 mRNA PMC3311358
Normal human epidermal keratinocytes (NHEKs) 100 nM 2 hours and 4 hours To assess the effect of FICZ pretreatment time on UVA-induced apoptosis, results showed that 2-hour pretreatment significantly increased caspase-3 activity, while 4-hour pretreatment had no significant effect. PMC8379514
HaCaT keratinocytes 100 nM 2 hours and 4 hours To assess the effect of FICZ pretreatment time on UVA-induced apoptosis, results showed that 2-hour pretreatment significantly increased caspase-3 activity, while 4-hour pretreatment had no significant effect. PMC8379514
Bone marrow-derived macrophages (BMDMs) 100 nM, 200 nM, 300 nM 24 hours FICZ promoted the expression of AhR, which in turn suppressed HIF-1α, IRF1, NF-κB p65, and iNOS expression and enhanced Arg-1, Chi3l3, Fizz1 levels. PMC7667681
MNK-3 cells 400 nM 24 hours To evaluate the effect of FICZ on the AhR/IL-22 pathway, results showed FICZ significantly increased CYP1A1 expression and IL-22 production. PMC9160000
HaCaT keratinocytes 10 nM, 25 nM, 50 nM, 100 nM 30 minutes To assess the effect of FICZ on UVA-induced apoptosis, results showed that FICZ pretreatment dose-dependently increased caspase-3 activity. PMC8379514
Caco-2 cells 100 nM 48 hours To investigate the protective effect of FICZ on TNF-α/IFN-γ-induced disruption of intestinal epithelial barrier function. Results showed that FICZ significantly attenuated TNF-α/IFN-γ-induced decrease in TER and alterations in TJ protein distribution. PMC5821050
HL-60 human myeloblastic leukemia cells 100 nM 6 hours to 72 hours To evaluate the effect of FICZ on RA-induced differentiation of HL-60 cells, results showed that FICZ enhanced RA-induced CD11b expression, respiratory burst, and G0/G1 cell cycle arrest. PMC3693992
HEKa cells 5 nM 6-24 hours H2O2 and MNF inhibited the clearance rate of FICZ PMC3311358
MCF10A-M2 cells 5 μM 8 hours FICZ significantly upregulated OVOL1 mRNA and protein levels, inhibited TGF-β signaling and EMT PMC9050647
LoVo human intestinal epithelial cells 100 nM 8 hours To investigate the effect of FICZ on LPS-induced inflammatory responses. Results showed that FICZ significantly downregulated the mRNA expression levels of IL-1β and IL-6, while upregulating TTP expression. PMC5752189
MDA-MB-231 cells 5 μM FICZ activates OVOL1 expression, partially antagonizing TGF-β-mediated EMT and migration PMC9050647

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Zebrafish embryos Zebrafish embryo xenograft model Added to egg water 1 μM From the first day post injection FICZ reduces extravasation of MCF10A-M2 cells and inhibits early metastatic events PMC9050647
C57BL/6J mice Calcium oxalate nephrocalcinosis model Intraperitoneal injection 50, 100, 200 mg/kg Once daily for 10 days FICZ treatment significantly reduced renal CaOx crystal deposition and kidney injury by suppressing M1 macrophage polarization and promoting M2 macrophage polarization via the AhR-miR-142a-IRF1/HIF-1α axis. PMC7667681
CD2F1 mice Cancer cachexia model (C26) Intraperitoneal injection 1 μg/Mice Injected on days 1, 5, and 9, lasting for 10 days To evaluate the effect of FICZ on hepatic inflammation and glycemic disorders in cancer cachexia mice. Results showed that FICZ treatment improved the expression of genes related to hepatic inflammation and partially restored blood glucose levels. PMC10235873
C57BL/6J mice Liver cancer model Intraperitoneal injection 1 μg/Mice Once daily for 21 days Activate AhR to inhibit SREBP2 expression, thereby slowing down liver cancer initiation PMC9907126
C57BL/6 mice DSS-induced colitis model Intraperitoneal injection 1 µg/Mice Once daily for 5 days To investigate the protective effect of FICZ on DSS-induced colitis. Results showed that FICZ significantly alleviated DSS-induced colitis symptoms, including reduced inflammatory infiltration, restored TJ protein expression, and decreased intestinal permeability. PMC5821050
C57BL/6J mice DSS-induced colitis model Intraperitoneal injection 1 µg/Mice Once daily for 5 days To investigate the effect of FICZ on DSS-induced colitis. Results showed that FICZ significantly attenuated DSS-induced colitis symptoms, reduced the expression levels of inflammatory cytokines, and upregulated AhR and TTP expression. PMC5752189
C57BL/6 mice DSS-induced colitis model Intraperitoneal injection 1 μg/Mice 10 days To evaluate the effect of FICZ on colitis symptoms and gut barrier function, results showed FICZ ameliorated symptoms and gut barrier function. PMC9160000
Zebrafish Zebrafish embryos Water exposure 0.001 to 100 nM Exposure initiated at 24 hours post fertilization and continued until 6 days post fertilization To investigate the impact of CYP1A loss of function on the biological effects of FICZ in vivo, results showed that loss of CYP1A function enhanced the toxic effects of FICZ, including increased mortality, incidence and severity of pericardial edema and circulation failure, reduced hatching frequency, blocked swim bladder inflation, and strongly potentiated expression of Ahr2-regulated genes. These effects were substantially reduced in embryos with a combined knockdown of Ahr2 and CYP1A, indicating that the toxicity was mediated at least partly by Ahr2. PMC4887394
C57BL/6 mice Delayed-type hypersensitivity (DTH) model induced by methylated bovine serum albumin (mBSA) Intraperitoneal injection 50 µg/kg Single dose FICZ exacerbated the DTH response, induced heightened Th17 cells, and failed to cause a major shift in gut microbiota. PMC8277436
C57BL/6J mice Pressure overload-induced heart failure model Intraperitoneal injection 5 mg/kg Initiated 5 min after surgery and repeated 2 days after surgery To evaluate the effect of FICZ on cardiac remodeling in the early phase of pressure overload. Results showed that FICZ improved cardiac function, attenuated cardiac hypertrophy, inhibited the transcriptional expression of pro-fibrotic genes, and mediated antioxidant effects via the NRF2/NQO1 pathway. PMC9141655

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

3.52mL

0.70mL

0.35mL

17.59mL

3.52mL

1.76mL

35.17mL

7.03mL

3.52mL

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