Abstract A safe and metal-free process using ethyl glycinate hydrochloride as the starting material has been developed for the preparation of ethyl 5-acetyl-1H-pyrazole-3-carboxylate, a key intermediate for the synthesis of potential blockbuster drug substance darolutamide. In the key step, the…
Abstract Multidrug resistance (MDR) in cancer is one of the major obstacles of chemotherapy. We have recently identified a series of 8-hydroxyquinoline Mannich base derivatives with MDR-selective toxicity, however with limited solubility. In this work, a novel 5-nitro-8-hydroxyquinoline-proline hybrid and…
Abstract Background Colon cancer is a leading cause of death worldwide. Although several biomarkers have been developed, more sensitive and specific methods are needed for its early detection. TKS4 and CD2AP scaffold proteins have been already linked to dynamic actin assembly-related…
Abstract Chronic stress causes several pain conditions including fibromyalgia. Its pathophysiological mechanisms are unknown, and the therapy is unresolved. Since the involvement of interleukin-1 (IL-1) has been described in stress and inflammatory pain but no data are available regarding stress-induced…
Abstract Antibodies are key proteins of the immune system, and they are widely used for both research and theragnostic applications. Among them, camelid immunoglobulins (IgG) differ from the canonical human IgG molecules, as their light chains are completely missing; thus,…
Abstract Pseudoproline derivatives are incorporated into polypeptides as aggregation disrupters during synthesis, from which the unmodified side chains can be recovered during the final step (resin cleavage). However, direct coupling to pseudoproline is challenging and thus dipeptides of pseudoproline, Fmoc-Xaa-Yaa(ΨMe,Mepro)-OH,…
Abstract A large group of hormones are stored as amyloid fibrils in acidic secretion vesicles before they are released into the bloodstream and readopt their functional state. Here, we identify an evolutionarily conserved hexapeptide sequence as the major aggregation-prone region…
Abstract DNA mismatch repair (MMR) corrects mismatched DNA bases arising from multiple sources including polymerase errors and base damage. By detecting spontaneous mutagenesis using whole genome sequencing of cultured MMR deficient human cell lines, we show that a primary role…
Abstract The purinergic pathway mediates both pro-inflammatory and anti-inflammatory responses, whereas the breakdown of adenosine triphosphate (ATP) is in a critical equilibrium. Under physiological conditions, extracellular ATP is maintained at a nanomolar concentration. Whether released into the medium following tissue…
Abstract Translesion DNA synthesis (TLS) facilitates replication over damaged or difficult-to-replicate templates by employing specialized DNA polymerases. We investigate the effect on spontaneous mutagenesis of three main TLS control mechanisms: REV1 and PCNA ubiquitylation that recruit TLS polymerases and PRIMPOL…