Results 201 to 210 of about 77,694 (290)

N6‐methyladenosine‐regulated exosome biogenesis orchestrates an immunosuppressive pre‐metastatic niche in gastric cancer peritoneal metastasis

open access: yesCancer Communications, EarlyView.
Abstract Background Gastric cancer peritoneal metastasis is clinically challenging, given the limited treatment options and poor prognosis. The molecular mechanisms that precede gastric cancer peritoneal metastasis, known as the pre‐metastatic niche (PMN), and its relationship with N6‐methyladenosine (m6A) modification remain unclear.
Song Li   +23 more
wiley   +1 more source

Piper auritum (Kunth) Fungal Endophytes: A Source of Metabolites to Inhibit the Formation of Advanced Glycation End Products

open access: yesChemistry &Biodiversity, EarlyView.
Endophytic fungi of P. auritum were evaluated for their ability to produce inhibitors of formation of advanced glycation end products (AGEs). Neopestalotiopsis sp. H2 and Diaporthe sp. H5 extracts were the most active. So, we performed their chemical profiling by untargeted and phenolics‐targeted metabolomic approaches to identify the potential ...
Lory Sthephany Rochín‐Hernández   +3 more
wiley   +1 more source

Exploring Bioactive Metabolites From Fusarium falciforme and Aspergillus terreus Isolated From Protease‐Rich Fruits: Antifungal, Antitrypanosomal, and Enzymatic Inhibitory Activities

open access: yesChemistry &Biodiversity, EarlyView.
Metabolites from fungi isolated from protease rich‐fruits displayed antifungal, antitrypanosomal and enzymatic inhibitory activities. ABSTRACT Fungal secondary metabolites display remarkable chemical diversity and biological potential, with applications in agriculture and pharmaceuticals. This study isolated and characterized bioactive metabolites from
Gabriela de Oliveira Almeida   +8 more
wiley   +1 more source

Poly(ethylene Glycol)‐Based Peptidomimetics (Pegtides) of Antimicrobial Peptides

open access: yesChemBioChem, EarlyView.
Polyethylene glycol (PEG) is commonly used to improve the pharmacokinetics and pharmacodynamics of therapeutic candidates by conjugation. Here PEG is exploited for peptidomimetic conversion of antimicrobial peptides (AMPs), as candidate antibacterial agents, by replacing their polyamide backbone. The pegtides obtained thereby can be readily synthesized
Conor Shine   +13 more
wiley   +1 more source

Reference genes validation in tear fluid for RNA analysis in ocular surface disease. [PDF]

open access: yesSci Rep
Ojeda DA   +7 more
europepmc   +1 more source

Exploring the Substrate Flexibility of GrsB Thioesterase Leads to the Structural Reassignment of a Gramicidin S Variant

open access: yesChemBioChem, Accepted Article.
Gramicidin S (GS) is a cyclic decapeptide derived from two pentapeptides. The C‐terminal thioesterase (TE) domain of gramicidin S synthetase B (GrsB) dimerizes precursor pentapeptides and cyclizes the resulting linear decapeptide. Recently, a GS variant (GS‐SA), in which a single D‐Phe was replaced by L‐Ser(Allyl), was reported via precursor‐directed ...
Sho Konno   +8 more
wiley   +1 more source

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