Publications by authors named "A A Kwiatkowski"

Background: Effectiveness of disease-modifying treatment (DMT) in people affected by primary progressive multiple sclerosis (PPMS) is limited. Whether specific subgroups may benefit more from DMT in a real-world setting remains unclear. Our aim was to investigate the potential effect of DMT on disability worsening among patients with PPMS stratified by different disability trajectories.

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In the heart, cell-matrix and cell-cell adhesions reorganize in response to increased cardiac demand and growth to promote cardiomyocyte maturation. Vinculin, a mechanosensitive adaptor protein, links filamentous actin to cell-matrix and cell-cell adhesions and is thus positioned to regulate adhesion reorganization. However, how the two adhesion systems are coordinated in the heart, and the role of vinculin in this process is poorly understood.

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[NiFe]-hydrogenases catalyze the reversible activation of H using a unique NiFe(CN)CO metal site, which is assembled by a sophisticated multiprotein machinery. The [4Fe-4S] cluster-containing HypCD complex, which possesses an ATPase activity with a hitherto unknown function, serves as the hub for the assembly of the Fe(CN)CO subfragment. HypCD is also thought to be responsible for the subsequent transfer of the iron fragment to the apo-form of the catalytic hydrogenase subunit, but the underlying mechanism has remained unexplored.

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Article Synopsis
  • - The STING pathway plays a crucial role in activating anti-tumor immunity, leading to interest in developing STING agonists for cancer treatment, but their effectiveness is limited by drug delivery issues.
  • - Researchers created a new drug delivery system called SAPCon that combines a STING-activating prodrug with a polymer to enhance the drug's circulation and ensure it accumulates in tumors effectively.
  • - Testing showed that SAPCon significantly boosts immune responses in tumors, leading to slower tumor growth and better survival rates in breast cancer models, thereby highlighting its potential as a powerful tool in cancer immunotherapy.
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In this work, MoS flakes were printed on ceramic substrates and investigated toward 1-10 ppm of nitrogen dioxide (NO), 2-12 ppm of ammonia (NH), and 2-12 ppm acetone (CHO) under UV light (275 nm). The structure of overlapping MoS flakes and UV light assistance affected high responsivity to NO when DC resistance was monitored, and superior sensitivity to NH was obtained from the low-frequency noise spectra. MoS exhibited response and recovery times in hundreds of seconds and stability throughout the experiments conducted within a few months.

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