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A molecular modeling study was carried out to investigate the most likely enzymatic disassembly mechanism of dendrimers that were designed as potential antichagasic and antileishmanial prodrugs. The models contained myo-inositol (core), L-malic acid (spacer), and active agents such as 3-hydroxyflavone, quercetin, and hydroxymethylnitrofurazone (NFOH). A theoretical approach that considered one, two, or three branches has already been performed and reported by our research group; the work described herein focused on four (models A and B), five, or six branches, and considered their physicochemical properties, such as spatial hindrance, electrostatic potential mapping, and the lowest unoccupied molecular orbital energy (E(LUMO)). The findings suggest that the carbonyl group next to the myo-inositol is the most promising ester breaking point.
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http://dx.doi.org/10.1007/s00894-011-1244-8 | DOI Listing |
J Phys Chem Lett
December 2024
School of Physical Science and Technology, Ningbo University, Ningbo 315211, China.
Triangular Au and tetrahedral Au are key structural units in the face-centered cubic gold core of thiolate-protected gold nanoclusters. Understanding their stacking arrangements is essential for elucidating the growth mechanisms of these gold cores. In this study, we design two new isomers of Au(SR) nanoclusters via deliberately adjusting the stacking pattern of Au and Au based on the grand unified model and ring model to show preferable packing arrangements.
View Article and Find Full Text PDFGastric cancer remains a leading cause of cancer-related mortality worldwide. The prognosis often depends on early detection and understanding the molecular mechanisms involved in its progression. Periodic tryptophan protein 1 (PWP1) has emerged as a novel diagnostic marker, potentially linked to gastric cancer progression.
View Article and Find Full Text PDFFuture Med Chem
December 2024
Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Aim: This research aimed to develop novel indole-2-carboxamides as potential antitubercular agents using rational drug design. It also focused on identifying the critical interactions required for these compounds to exhibit effective antitubercular activity.
Materials And Methods: Novel indole-2-carboxamides targeting MmpL3 were designed based on SAR, synthesized, and tested for their antitubercular and induction properties.
Biomol Biomed
December 2024
Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China.
Breast cancer (BC) is a prevalent malignant tumor that poses a significant health risk to women. The complexity of basic BC research and clinical treatment is influenced by multiple factors, including age, fertility, hormone metabolism, molecular subtypes, and tumor grading and staging. Traditional in vitro models often fall short of meeting modern research demands, whereas organoids-an emerging 3D primary culture technology-offer a unique platform that better replicates the tumor microenvironment (TME).
View Article and Find Full Text PDFJ Chem Inf Model
December 2024
Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Instituto Multidisciplinario de Investigaciones Biológicas (IMIBIO-SL). CONICET, Ejército de los Andes 950, 5700 San Luis, Argentina.
We report here a new ligand for the peroxisome-proliferator-activated receptor type α (PPARα), an N-tosyl hydrazone benzopyran that was designed throughout the mapping of the polar zone of the binding site of PPARα; such a compound displays a strong activity on this receptor that is comparable to that of the reference compound WY-14643. For the design of the -tosyl hydrazone benzopyran, we have carried out an exhaustive conformational study of WY-14643 and a previously reported hydrazine benzopyran derivative using conformational potential energy surfaces (PES). This study allowed us to map in a systematic way the entire binding site of the PPARα.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!