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Chemical Structure| 2086257-77-2 Chemical Structure| 2086257-77-2

Structure of VBIT 4
CAS No.: 2086257-77-2

Chemical Structure| 2086257-77-2

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VBIT-4 is a voltage-dependent anion channel (VDAC) oligomerization inhibitor.

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Product Citations

Product Citations

Chao, Yang Li ; Wang, Siqi ; Luo, Laixi ; Jiang, Xilin ; Ren, Tong ; Liu, Weilin , et al.

Abstract: Extensive neuronal loss in brain regions critical for learning and memory is a hallmark of Alzheimer's disease (AD). PANoptosis, a newly characterized form of programmed cell death, integrates the key features of , and , and explains the molecular crosstalk among these pathways. However, whether PANoptosis is a new manner for hippocampal neuron death in AD, and the involved regulatory mechanisms remains largely unknown. Here, we demonstrate that PANoptosis is a crucial mechanism driving hippocampal neuronal loss in an AD mouse model. Moreover, we uncovered that the HIF-1α signaling pathway exerts adouble-edged sword effect on hippocampal neuronal PANoptosis by activating the HK2/VDAC1/NLRP3 axis while concurrently suppressing RIPK3signal. This observation may offer a partial explanation for the double-edged sword role of HIF-1α as both a neuroprotective and neurotoxic factor in AD. Finally, we uncovered that semaglutide, a glucagon-like peptide-1 receptor agonist (GLP-1RA) currently undergoing phase 3 clinical trials for AD, mitigates hippocampal neuronal PANoptosis by upregulating HIF-1α expression while suppressing its downstream HK2/VDAC1/NLRP3 axis and RIPK3 signal, highlighting its potential as a therapeutic avenue for AD. These findings uncover a previously unrecognized role of PANoptosis in AD and provide new insights into the HIF-1α-mediated regulatory mechanisms, offering a promising target for therapeutic intervention.

Keywords: Alzheimer’s disease ; Hippocampal neuronal PANoptosis ; HIF-1α signaling pathway ; Doubleedged sword effect ; Semagrutide

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Product Details of VBIT 4

CAS No. :2086257-77-2
Formula : C21H23ClF3N3O3
M.W : 457.87
SMILES Code : O=C(CC(CO)N1CCN(CC1)C2=CC=C(C=C2)OC(F)(F)F)NC3=CC=C(C=C3)Cl
MDL No. :MFCD32663268
InChI Key :QYSQXVAEFPWMEM-UHFFFAOYSA-N
Pubchem ID :126697666

Safety of VBIT 4

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P313-P337+P313-P362-P403+P233-P405-P501

Related Pathways of VBIT 4

ferroptosis

Isoform Comparison

Biological Activity

Description
VBIT-4 inhibits the oligomerization of voltage-dependent anion channel 1 (VDAC1) with a binding affinity (Kd) of 17 μM. As an inhibitor of apoptosis, it has potential therapeutic applications in conditions associated with apoptosis, including neurodegenerative and cardiovascular diseases [1].

In Vitro:

Cell Line
Concentration Treated Time Description References
HeLa cells 10 µM 1 hour VBIT-4 suppressed the release of mtDNA caused by Phb1 knockdown EMBO J. 2022 Dec 15;41(24):e111173.
J774A.1 cells 10 µM 1 hour VBIT-4 suppressed the release of mtDNA caused by Phb1 knockdown EMBO J. 2022 Dec 15;41(24):e111173.
NSC-34 cells 15 µM 12 hours VBIT-12 partially prevented the mutant SOD1-induced cell toxicity Int J Mol Sci. 2022 Sep 1;23(17):9946.
Mouse lung endothelial cells 5 µM 36 hours VBIT-4 prevented hyperglycemia-induced cell death and mitochondrial dysfunction, inhibiting spontaneous MPT pore opening and ROS generation. Antioxidants (Basel). 2023 Jul 20;12(7):1459.
Rat cortical neurons 10 µM 6, 24, 48 hours VBIT-4 prevented Aβ-induced VDAC1 overexpression and apoptotic cell death Transl Neurodegener. 2022 Dec 28;11(1):58.
Endog−/− MEFs 10 µM VBIT-4 decreased cmtDNA levels and ISG expression Science. 2019 Dec 20;366(6472):1531-1536.
MDA231 10 µM VBIT-4 induces VDAC1 monomerization and promotes PRKN-mediated polyubiquitination Autophagy. 2023 Sep;19(9):2443-2463.
MDA468 10 µM VBIT-4 induces VDAC1 monomerization and promotes PRKN-mediated polyubiquitination Autophagy. 2023 Sep;19(9):2443-2463.

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Mice MpJ- Faslpr lupus-prone mice 10 μM VBIT-4 ameliorated lupus-like symptoms, including the reduction of skin lesions, renal immune complex deposition, proteinuria, anti-dsDNA antibody, antinuclear antibody, IgG, and cell-free mtDNA levels Science. 2019 Dec 20;366(6472):1531-1536.
Mice 5 × FAD mouse model Drinking water 20 mg/kg Twice a week for 5 months VBIT-4 prevented cognitive decline, neuronal loss, neuroinflammation, and neuro-metabolic dysfunctions Transl Neurodegener. 2022 Dec 28;11(1):58.
C57BL/6 mice DSS-induced colitis model Drinking water 20 mg/kg From day 2 or day 5 until day 14 VBIT-12 significantly alleviated DSS-induced colitis pathology, inhibited inflammatory cell infiltration, apoptosis, mtDNA release, and NLRP3 inflammasome activation, and reduced the inflammatory response Mol Ther. 2022 Feb 2;30(2):726-744
Mice SOD1G93A mutant mice Intraperitoneal injection 26 mg/kg Every other day for 12 weeks VBIT-12 significantly improved muscle endurance in SOD1G93A mutant mice Int J Mol Sci. 2022 Sep 1;23(17):9946.

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.18mL

0.44mL

0.22mL

10.92mL

2.18mL

1.09mL

21.84mL

4.37mL

2.18mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1
Protocol 2

References

 

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