Aleksandra Hec

ORCID: 0000-0002-3669-0600
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About
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Research Areas
  • Cancer Immunotherapy and Biomarkers
  • CAR-T cell therapy research
  • Protein Degradation and Inhibitors
  • Cellular transport and secretion
  • Calcium signaling and nucleotide metabolism
  • Synthesis and Biological Evaluation
  • Immunotherapy and Immune Responses
  • Cancer, Stress, Anesthesia, and Immune Response
  • Computational Drug Discovery Methods
  • Tuberculosis Research and Epidemiology

Jagiellonian University
2024

We present new small-molecular probes targeting the human PD-L1 protein. The molecules were designed by incorporating a newly discovered N-methylmorpholine substituent into known biphenyl-based structure. Four prototype derivatives of 4-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbonitrile (STD4), comprising morpholine fused with biphenyl core at different orientations first verified for their potential binding to using molecular docking method. A more favorable 7-phenyl derivative STD4...

10.1016/j.bmcl.2024.129882 article EN cc-by Bioorganic & Medicinal Chemistry Letters 2024-07-10

Lysosome-targeting chimeras (LYTACs) have recently been developed to facilitate the lysosomal degradation of specific extracellular and transmembrane molecular targets. However, LYTAC particles described date are based on glycopeptide conjugates, which difficult prepare produce a large scale. Here, we report development pure protein LYTACs non-glycosylated IGF2 peptides, can be readily produced in virtually any facility capable monoclonal antibody production. These utilize IGF2R/CI-M6PR...

10.3390/molecules28227519 article EN cc-by Molecules 2023-11-10

Pursuing our recent findings from the fragment-based screening, we now propose new compounds targeting human PD-L1 protein. The comprise several favorable features of molecules published in previous years and contain a newly discovered N‑methylmorpholine substituent incorporated into biphenyl-based structure. Four prototype molecule derivatives 4-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbonitrile (STD4), comprising morpholine fused with biphenyl core at different orientations were...

10.2139/ssrn.4725259 preprint EN 2024-01-01

Therapeutic antibodies directed against either programmed cell death-1 protein (PD-1) or its ligand PD-L1 have demonstrated efficacy in the treatment of various cancers. In contrast with antibodies, small molecules potential for increased tissue penetration; better pharmacology; and therefore, improved antitumor activity. A series nonsymmetric C2 inhibitors were synthesized evaluated PD-1/PD-L1 interaction inhibition. These compounds induced dimerization effectively blocked PD-L1/PD-1 a...

10.1021/acsmedchemlett.4c00042 article EN cc-by ACS Medicinal Chemistry Letters 2024-06-03

Abstract Lysosome Targeting Chimeras (LYTACs) have recently been developed to facilitate lysosomal degradation of specific extracellular and transmembrane molecular targets. However, the LYTAC particles described date are based on glycopeptide conjugates, which difficult prepare produce a large scale. Here we report development pure protein LYTACs non-glycosylated IGF2 peptides, can be readily produced in virtually any facility capable monoclonal antibody production. These chimeras utilize...

10.1101/2023.10.30.563730 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2023-10-30
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