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Tomasz Kostrzewa ; Jakub Jonczyk ; Joanna Drze?d?on , et al. Int. J. Mol. Sci.,2022,23(13):7034. DOI: 10.3390/ijms23137034 PubMed ID: 35806035
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Abstract: One of the main goals of recent bioinorganic chemistry studies has been to design and synthesize novel substances to treat human diseases. The promising compounds are metal-based and metal ion binding components such as vanadium-based compounds. The potential anticancer action of vanadium-based compounds is one of area of investigation in this field. In this study, we present five oxovanadium(IV) and dioxovanadium(V) complexes as potential PTP1B inhibitors with anticancer activity against the MCF-7 breast cancer cell line, the triple negative MDA-MB-231 breast cancer cell line, and the human keratinocyte HaCaT cell line. We observed that all tested compounds were effective inhibitors of PTP1B, which correlates with anticancer activity. [VO(dipic)(dmbipy)]·2 H2O (Compound 4) and [VOO(dipic)](2-phepyH)·H2O (Compound 5) possessed the greatest inhibitory effect, with IC50 185.4 ± 9.8 and 167.2 ± 8.0 nM, respectively. To obtain a better understanding of the relationship between the structure of the examined compounds and their activity, we performed a computer simulation of their binding inside the active site of PTP1B. We observed a stronger binding of complexes containing dipicolinic acid with PTP1B. Based on our simulations, we suggested that the studied complexes exert their activity by stabilizing the WPD-loop in an open position and limiting access to the P-loop.
Keywords: protein tyrosine phosphatase PTP1B ; triple negative breast cancer ; oxovanadium(IV) complexes ; dioxovanadium(V) complexes
Purchased from AmBeed: 13721-39-6
CAS No. : | 13721-39-6 | MDL No. : | MFCD00003511 |
Formula : | Na3O4V | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IHIXIJGXTJIKRB-UHFFFAOYSA-N |
M.W : | 183.91 | Pubchem ID : | 61671 |
Synonyms : |
Sodium Vanadate
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P301+P312+P330 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |