Publications by authors named "Ivonne Kemnitz"

Article Synopsis
  • The study investigates how HeLa cells respond to UV-induced damage, revealing that over 90% of cells stay viable up to 6 hours post-irradiation but significantly decline in viability after 12-72 hours.
  • The research highlights that the activation of various caspases (key proteins in the cell death process) occurs in a specific sequence after UV exposure, with some being active as early as 1 hour after irradiation.
  • Despite the activation of these caspases, the study finds that inhibiting them does not prevent cell death, suggesting that other mechanisms may also play a crucial role in the cell death process post-UV damage.
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Article Synopsis
  • Hirschsprung's disease (HSCR) is a congenital condition resulting from a defective intestinal neural system, often leading to intestinal obstruction and inflammation, commonly linked to mutations in the RET gene and other related genes.
  • A study focusing on the IL11 gene revealed no significant association with HSCR through the analysis of 32 single nucleotide polymorphisms (SNPs) in a Caucasian sample, contrasting previous findings in an Asian population.
  • However, a notable association was found with a specific dinucleotide repeat in the IL11 promoter, indicating a potential link between IL11 expression and intestinal inflammation in HSCR patients, particularly those with long-segment HSCR, warranting further research.
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Mutations and polymorphisms in the RET gene are a major cause of Hirschsprung disease (HSCR). Theoretically, all true heterozygous patients with a new manifestation of a genetically determined disease must have parents with a genetic mosaicism of some extent. However, no genetic mosaicism has been described for the RET gene in HSCR yet.

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