Publications by authors named "M S Drenichev"

For the first time, N-(5-phenylpentan-1-yl)adenine, a synthetic adenine derivative with a receptor-specific anticytokinin effect, was obtained. This compound exhibits a pronounced anticytokinin effect, reducing cytokinin-induced expression of the GUS reporter gene when interacting with the cytokinin receptor CRE1/AHK4 of the model plant Arabidopsis thaliana. This effect manifests itself much weaker with the related AHK2 receptor and is not observed at all with the AHK3 receptor.

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Article Synopsis
  • The addition of lipophilic groups to nucleoside analogues enhances their antiviral potency, particularly against viruses like TBEV and EV-A71.
  • Researchers synthesized a series of N-benzyladenosine analogues using specific cross-coupling methods to analyze their effectiveness against different flaviviruses and enteroviruses.
  • The compounds showed strong inhibition of flavivirus replication at low concentrations, targeting viral RNA synthesis while displaying minimal cytotoxicity, but they did not affect enterovirus reproduction, suggesting a unique mechanism focused on flaviviruses.
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Nucleoside reverse transcriptase inhibitors are the first class of drugs to be approved by the FDA for the suppression of HIV-1 and are widely used for this purpose in combination with drugs of other classes. Despite the progress in HIV-1 treatment, there is still the need to develop novel efficient antivirals. Here the efficiency of HIV-1 inhibition by a set of original 5-substituted uridine nucleosides was studied.

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Adenosine and its analogues play an important role as bioregulators of metabolic processes in animal cells, affecting a variety of metabolic functions by acting through the purinergic signaling system. Synthesis and structure-activity relationship for some known purine nucleosides bearing chiral substituents are considered in this work. These compounds represent a promising potential as drug prototypes for targeted therapy of cancer, metabolic dysfunctions, and neuronal disorders due to their enhanced selectivity to receptors of the purinergic signaling system.

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The use of cancer chemotherapy sensitizers is a promising approach to induce the effect of clinically used anticancer treatments. One of the interesting targets is Tyrosyl-DNA Phosphodiesterase 1 (Tdp1), a DNA-repair enzyme, that may prevent the action of clinical Topoisomerase 1 (Top1) inhibitors, such as topotecan (Tpc). Tdp1 eliminates covalent Top1-DNA (Top1c) complexes that appear under the action of topotecan and determines the cytotoxic effect of this drug.

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