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http://dx.doi.org/10.1016/j.jaci.2017.07.030 | DOI Listing |
Ann N Y Acad Sci
December 2024
Department of Medicine, School of Basic Medicine, Ningbo University, Ningbo, China.
Macroautophagy, a universal cellular process, sends cellular material to lysosomes for breakdown and is often activated by stressors like hypoxia or drug exposure. It is vital for protein balance, neurotransmitter release, synaptic function, and neuron survival. The role of macroautophagy in substance use disorders is dual.
View Article and Find Full Text PDFMol Biotechnol
December 2024
Department of Biochemistry, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India.
Staphylococcus warneri is a gram-positive mesophilic bacterium, resilient to extreme environmental conditions. To unravel its Osmotic Tolerance Response (OTR), we conducted proteomic and metabolomic analyses under drought (PEG) and salt (NaCl) stresses. Our findings revealed 1340 differentially expressed proteins (DEPs) across all treatments.
View Article and Find Full Text PDFMetab Brain Dis
December 2024
Department of Basic Science, School of Science and Technology, Babcock University, Ilishan-Remo, Ogun State, Nigeria.
Diabetes Mellitus is a metabolic disorder characterized by high blood glucose levels, causing significant morbidity and mortality rates. This study investigated the antidiabetic, neuroprotective, and antioxidant effects of ethanol extracts of Parkia biglobosa (PB) leaves and seeds in streptozotocin (STZ)-induced diabetic rats. The administration of STZ significantly elevated fasting blood glucose levels (FBGL) to 355-400 mg/mL compared to 111 mg/mL in normal controls, indicating hyperglycemia.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
December 2024
Université de Bordeaux, CBMN UMR5248, IECB, 2, rue Robert Escarpit, 33607, PESSAC, FRANCE.
Peptide stapling has emerged as a versatile approach in drug discovery to reinforce secondary structure elements especially α-helices and improve properties of linear bioactive peptides. Inspired by the prevalence of arginine in protein-protein and protein-DNA interfaces, we investigated guanidinium-stapling as a means to constrain helical peptides. Guanidinium stapling was readily achieved on solid support, utilizing two orthogonally protected lysine or unatural α-amino acid residues with an amino function.
View Article and Find Full Text PDFJ Toxicol Environ Health A
February 2025
School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do, Republic of Korea.
Ultraviolet-B (UVB) radiation is a major physical factor that induces structural changes in human skin. The aim of this study was to determine whether the novel silent information regulator 1 (sirtuin 1 SIRT1) protein activator, penilumamide, exerted any protective effects against UVB-induced skin damage using human HaCaT keratinocytes as a model. Enzymatic assays were performed to determine the SIRT1-activating ability of penilumamide, which was compared with that of resveratrol, a potent natural product SIRT1 activator with antioxidant and anti-inflammatory properties.
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