RSC Advances  

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Molecular biology articles published in the last 6 months

38 items - Showing page 1 of 2
Open Access Paper

Silver nanoparticles alter the dimerization of Aβ42 studied by REMD simulations

The dimerization of the Aβ42 peptide is inhibited by the silver nanoparticle.

Graphical abstract: Silver nanoparticles alter the dimerization of Aβ42 studied by REMD simulations
Open Access Paper

Alchemical approach performance in calculating the ligand-binding free energy

FEP calculation performance depends on the considered targets.

Graphical abstract: Alchemical approach performance in calculating the ligand-binding free energy
Open Access Paper

Pregnenolone derivatives for the treatment of Alzheimer's disease: synthesis, and in vitro inhibition of amyloid β1–42 peptide aggregation, acetylcholinesterase and carbonic anhydrase-II

Pregnenolone-based derivatives have been synthesized to inhibit the protofibril formation in order to reduce Aβ1–42 production and prevent its aggregation.

Graphical abstract: Pregnenolone derivatives for the treatment of Alzheimer's disease: synthesis, and in vitro inhibition of amyloid β1–42 peptide aggregation, acetylcholinesterase and carbonic anhydrase-II
Open Access Paper

Detection of intracellular microRNA-21 for cancer diagnosis by a nanosystem containing a ZnO@polydopamine and DNAzyme probe

The novel nanosystem composed of ZnO@polydopamine nanomaterial and deoxyribozyme probe can be applied for ratiometric fluorescence assay for microRNA-21, which is helpful for cancer diagnosis and prognosis.

Graphical abstract: Detection of intracellular microRNA-21 for cancer diagnosis by a nanosystem containing a ZnO@polydopamine and DNAzyme probe
Open Access Paper

Rapid and quantitative detection of DNA hybridization using a simplified Fabry–Perot interferometric biosensor

The simple-structured Fabry–Perot interferometric biosensor is capable of rapid and quantitative detection of DNA hybridization.

Graphical abstract: Rapid and quantitative detection of DNA hybridization using a simplified Fabry–Perot interferometric biosensor
Open Access Paper

Inhibition of survivin by 2′-O-methyl phosphorothioate-modified steric-blocking antisense oligonucleotides

We have designed and screened seven fully 2′-O-methyl phosphorothioate-modified steric-blocking ASOs for specific inhibition of BIRC5 expression. As a result, ASO-7 was identified as the lead sequence.

Graphical abstract: Inhibition of survivin by 2′-O-methyl phosphorothioate-modified steric-blocking antisense oligonucleotides
Open Access Paper

The conjugates of 5′-deoxy-5-fluorocytidine and hydroxycinnamic acids – synthesis, anti-pancreatic cancer activity and molecular docking studies

New conjugates 1–6 containing 5-dFCR and selected hydroxycinnamic acids were synthesized and tested in vitro against pancreatic cancer (PDAC) lines. The ADME properties and molecular docking to CES2 or human albumin were discussed.

Graphical abstract: The conjugates of 5′-deoxy-5-fluorocytidine and hydroxycinnamic acids – synthesis, anti-pancreatic cancer activity and molecular docking studies
Open Access Paper

ProteoMutaMetrics: machine learning approaches for solute carrier family 6 mutation pathogenicity prediction

Predict SLC6 mutation clinical pathogenicity by calculating the amino acid descriptors in different ranges with rationalization analysis of the prediction.

Graphical abstract: ProteoMutaMetrics: machine learning approaches for solute carrier family 6 mutation pathogenicity prediction
Open Access Paper

The inhibition of fibril formation of lysozyme by sucrose and trehalose

WAXS displays a significant difference due to the presence of amyloid fibrils in the absence of sugar.

Graphical abstract: The inhibition of fibril formation of lysozyme by sucrose and trehalose
Open Access Paper

Computational studies and synthesis of 131iodine-labeled nocardiotide A analogs as a peptide-based theragnostic radiopharmaceutical ligand for cancer targeting SSTR2

The cWIWLYA peptide shows high labeling efficiency with I-131 (>90%). Its 131I2-complex has high stability at room temperature as well as in plasma.

Graphical abstract: Computational studies and synthesis of 131iodine-labeled nocardiotide A analogs as a peptide-based theragnostic radiopharmaceutical ligand for cancer targeting SSTR2
Open Access Paper

In situ imaging of mRNA transcripts based on split-aptamer and split protein in living cells

Messenger RNA (mRNA) is an essential component of cell development and growth.

Graphical abstract: In situ imaging of mRNA transcripts based on split-aptamer and split protein in living cells
Open Access Paper

In silico identification of multi-target inhibitors from medicinal fungal metabolites against the base excision repair pathway proteins of African swine fever virus

Through in silico methods, three fungal metabolites, namely cochlactone A, antcamphin M, and methyl ganoderate E, exhibited potential multi-target inhibitory activity against African swine fever virus (ASFV) base excision repair proteins.

Graphical abstract: In silico identification of multi-target inhibitors from medicinal fungal metabolites against the base excision repair pathway proteins of African swine fever virus
Open Access Paper

ADME profiling, molecular docking, DFT, and MEP analysis reveal cissamaline, cissamanine, and cissamdine from Cissampelos capensis L.f. as potential anti-Alzheimer's agents

Proaporphine alkaloids—cissamaline, cissamanine, and cissamdine—show promise against AD, with in silico studies highlighting their potential as new therapeutics.

Graphical abstract: ADME profiling, molecular docking, DFT, and MEP analysis reveal cissamaline, cissamanine, and cissamdine from Cissampelos capensis L.f. as potential anti-Alzheimer's agents
Open Access Paper

Design, synthesis and biological evaluation of indole-2-carboxylic acid derivatives as novel HIV-1 integrase strand transfer inhibitors

Integrase plays an important role in the life cycle of HIV-1, and indole-2-carboxylic acid derivative 17a can effectively inhibit the strand transfer of integrase.

Graphical abstract: Design, synthesis and biological evaluation of indole-2-carboxylic acid derivatives as novel HIV-1 integrase strand transfer inhibitors
Open Access Paper

Heme-substituted protein assembly bridged by synthetic porphyrin: achieving controlled configuration while maintaining rotational freedom

Construction of a bevel-gear-like protein assembly using a synthetic porphyrin with defined flexibility.

Graphical abstract: Heme-substituted protein assembly bridged by synthetic porphyrin: achieving controlled configuration while maintaining rotational freedom
Open Access Paper

Investigation of chain-length selection by the tenellin iterative highly-reducing polyketide synthase

Engineering the substrate-binding-helix of the keto-reductase domain of TENS controls chain-length selectivity of the products.

Graphical abstract: Investigation of chain-length selection by the tenellin iterative highly-reducing polyketide synthase
Open Access Paper

Viral peptide conjugates for metal-warhead delivery to chromatin

Chromatin-targeting viral peptide–gold(I) conjugates display cancer cell selectivity and localize to the nucleosome acidic patch, forming histone site-specific protein adducts.

Graphical abstract: Viral peptide conjugates for metal-warhead delivery to chromatin
Open Access Paper

Analysing the effect caused by increasing the molecular volume in M1-AChR receptor agonists and antagonists: a structural and computational study

Two QSAR models which correlates the interaction energy and structural features of agonists and antagonists of M1-AChR.

Graphical abstract: Analysing the effect caused by increasing the molecular volume in M1-AChR receptor agonists and antagonists: a structural and computational study
Open Access Paper

Synergistic acceleration of machine learning and molecular docking for prostate-specific antigen ligand design

By employing a million-level virtual screening to obtain potential PSA compounds and effectively guiding the synthesis using machine learning methods, we obtained lead compounds that exhibited significantly improved binding affinity for PSA.

Graphical abstract: Synergistic acceleration of machine learning and molecular docking for prostate-specific antigen ligand design
Open Access Paper

Aqueous alkaline phosphate facilitates the non-exchangeable deuteration of peptides and proteins

The incorporation of deuterium into peptides and proteins holds broad applications across various fields, such as drug development and structural characterization.

Graphical abstract: Aqueous alkaline phosphate facilitates the non-exchangeable deuteration of peptides and proteins
Open Access Paper

Single molecule technique unveils the role of electrostatic interactions in ssDNA–gp32 molecular complex stability

A single-molecule electrophysiology assay was employed using an α-HL nanopore to test the stability of ssDNA and gp32 SSB–protein, in different salt conditions. Low salt and the presence of Zn2+ increases ssDNA–gp32 complex stability.

Graphical abstract: Single molecule technique unveils the role of electrostatic interactions in ssDNA–gp32 molecular complex stability
Open Access Paper

Exploring protein–ligand binding affinity prediction with electron density-based geometric deep learning

A deep learning approach centered on electron density is suggested for predicting the binding affility between proteins and ligands. The approach is thoroughly assessed using various pertinent benchmarks.

Graphical abstract: Exploring protein–ligand binding affinity prediction with electron density-based geometric deep learning
Open Access Paper

De novo designed aliphatic and aromatic peptides assemble into amyloid-like cytotoxic supramolecular nanofibrils

De novo designed aliphatic and aromatic peptides form biomimetic supramolecular nanofibrils illuminating the intricacies of the pathogenic amyloid assemblies.

Graphical abstract: De novo designed aliphatic and aromatic peptides assemble into amyloid-like cytotoxic supramolecular nanofibrils
Open Access Paper

Ligand based pharmacophore modelling and integrated computational approaches in the quest for small molecule inhibitors against hCA IX

An integrated computational approach in search of potent hCA IX inhibitors.

Graphical abstract: Ligand based pharmacophore modelling and integrated computational approaches in the quest for small molecule inhibitors against hCA IX
Open Access Paper

Insights into colistin-mediated fluorescence labelling of bacterial LPS

Indirect labelling of the lipopolysaccharide of Gram-negative bacteria by fluorescence turn-on signalling and computational calculations.

Graphical abstract: Insights into colistin-mediated fluorescence labelling of bacterial LPS
38 items - Showing page 1 of 2

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