Publications by authors named "O Alexander Bell"

Article Synopsis
  • Standard first-line chemotherapy for small cell lung cancer (SCLC) combines platinum and etoposide, but while effective, it has limitations like non-durable responses and toxicity.
  • Genetic variants in DNA-repair and etoposide metabolism genes were studied in 145 SCLC patients to predict treatment outcomes and safety, with findings linking certain genetic variants to better progression-free survival (PFS).
  • The study shows potential markers, like the rs11615 variant, could help personalize treatment, especially in limited-stage SCLC, but more research is needed to confirm these results.
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  • * Research indicates that levels of IRAK-M decrease with age and oxidative stress, with genetic variants linked to a higher risk of developing AMD.
  • * Restoring IRAK-M in RPE cells shows promise in protecting against oxidative damage and retinal degeneration, indicating it could be a potential therapeutic avenue for AMD.
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  • Top carnivores, like Tasmanian devils, influence ecological communities through competition and predation, but human habitat disturbance also plays a significant role.
  • A study analyzing stable isotopes showed that the decline of Tasmanian devils affected both their own and spotted-tailed quolls' ecological niches, with narrower niches observed in human-altered environments.
  • Overall, the research found that anthropogenic disturbances impact mammalian carnivore niches more than the decline of top carnivores themselves, suggesting a complex interplay between these factors.
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  • Deregulation of small non-coding RNAs (sncRNAs) is linked to metastasis in early-stage breast cancer, with RNA sequencing performed on samples from 60 patients.
  • Analysis revealed that most sncRNAs were classified as small nucleolar RNA (snoRNA) and small nuclear RNA (snRNA), with no significant expression differences between tumor and sentinel lymph node samples.
  • A specific signature of six snoRNAs was identified as potential markers for locoregional metastasis and patient outcomes, highlighting the need for further research to validate these findings in larger patient groups.
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The compaction of chromatin is a prevalent paradigm in gene repression. Chromatin compaction is commonly thought to repress transcription by restricting chromatin accessibility. However, the spatial organisation and dynamics of chromatin compacted by gene-repressing factors are unknown.

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