Publications by authors named "A Krzeslak"

Drug carriers play a very important role in pharmacy, especially in cancer therapy. Most drugs used in the treatment of cancer are characterized by poor solubility in water and lack of selectivity in their toxic effects on normal and cancer cells. Administration of the drug in the form of a complex with an appropriately selected carrier can significantly improve its therapeutic effect and reduce side effects.

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Breast cancer is the most frequent cancer among women. Despite extensive research in recent years the molecular basis of breast cancer development, growth and metastasis remains unclear. Numerous studies highlight the involvement of BMI-1 in tumorigenesis.

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Drug delivery systems (DDSs) are used to transport drugs which are characterized by some pharmaceutical problems to the specific target site, enhancing therapeutic efficacy and reducing off-target accumulation in the body. In this work, one of the recently synthesized molecules, 1,10-,-bis-(β-ᴅ-ureidocellobiosyl)-4,7,13,16-tetraoxa-1,10-diazacyclooctadecane (TN), was tested as a potential drug carrier towards the anticancer drug carmustine. For this purpose, different techniques were used, from synthesis and calculations to cytotoxicity assessment.

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Brominated flame retardants (BFRs) are synthetic chemicals incorporated into a wide variety of products, both for industrial applications and everyday use, with the primary aim of reducing their flammability or reducing the material burning rate. These compounds find widespread use in plastics, textiles, and electrical/electronic devices. However, BFRs can be released from products and, thus are determined in many environmental matrices such as soil, water and air.

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Article Synopsis
  • O-linked β-N-acetylglucosamine (O-GlcNAc) is a reversible modification that influences various proteins in cells and is crucial for regulating cellular functions and signaling pathways.
  • The enzyme O-linked N-acetylglucosamine transferase (OGT) adds O-GlcNAc to proteins, with one variant (mOGT) specifically targeting mitochondria, although its exact role is not well understood.
  • Research showed that mOGT affects mitochondrial protein phosphorylation, energy production within the electron transport chain, and interacts with proteins like VDAC1, indicating that mOGT plays a significant role in cellular energy metabolism, especially in cancer cells.
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