Publications by authors named "Helene Solhi"

In connection with previous work on V-shaped polycyclic thiazolo[5,4-]quinazolin-9-one and [5,4-]quinazoline derivatives that can modulate the activity of various kinases, the synthesis of straight thiazole-fused [4,5-] or [5,4-]quinazolin-8-ones and quinazoline derivatives hitherto undescribed was envisioned. An innovative protocol allowed to obtain the target structures. The synthesis of inverted thiazolo[4,5-] and [5,4-]quinazolin-8-one derivatives was also explored with the aim of comparing biological results.

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In this paper, we report a short and efficient synthesis of novel -arylbenzo[]quinazoline-2-amines. We have prepared a focused library of nineteen representative examples which have been submitted to cytotoxicity assays against a representative panel of eight cancer cell lines and several molecules gave attractive results in this area.

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Article Synopsis
  • Lung cancer is a leading cause of cancer-related deaths, necessitating advanced preclinical models to explore new treatments based on tumor genetics.
  • Researchers developed and characterized cell lines and mouse models for non-small cell lung cancer (NSCLC) to monitor tumor growth and treatment response effectively.
  • The study found that combining osimertinib and bevacizumab improves treatment outcomes for EGFR-mutated tumors, while adding afatinib helps inhibit tumor growth during treatment resistance, demonstrating the models’ utility for testing new therapies and understanding resistance mechanisms.
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Article Synopsis
  • Three series of CLK1 inhibitors were designed, synthesized, and tested against CLKs and DYRK1A kinases for their effectiveness in killing cancer cells.
  • The research focused on modifying part of the chemical structure, leading to the discovery of a new derivative that is highly effective with low inhibition concentrations for both CLK1 and DYRK1A.
  • A comprehensive analysis showed that this new compound is highly selective for CLK inhibition, indicating its potential for developing targeted cancer treatments.
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A small library of new piperidine-triazole hybrids with 3-aryl isoxazole side chains has been designed and synthesized. Their cytotoxicity against a panel of seven cancer cell lines has been established. For the most promising compound, an IC value of 3.

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We describe in this paper the synthesis of a novel series of anilino-2-quinazoline derivatives. These compounds have been screened against a panel of eight mammalian kinases and in parallel they were tested for cytotoxicity on a representative panel of seven cancer cell lines. One of them (DB18) has been found to be a very potent inhibitor of human "CDC2-like kinases" CLK1, CLK2 and CLK4, with IC values in the 10-30 nM range.

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Objective: The aim of this work was to determine the relevance of Choukroun's platelet-rich fibrin (PRF) in dental implantology by determining the in vitro effects of soluble factors released by PRF clot. We used 3 different cell lines implicated in dental implantology: osteoblast, keratinocyte, and fibroblast.

Methods: Cellular viability, cell proliferation, and gene expression were analyzed using PRF conditioned medium.

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