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The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
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Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
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A Sensitive Method to Quantify Senescent Cancer Cells
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[Senescence and cancer: double-dealing].

Erwan Goy1, Corinne Abbadie1

  • 1Université de Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T -mécanismes de tumorigenèse et thérapies ciblées, F-59000 Lille, France.

Medecine Sciences : M/S
|March 17, 2018
PubMed
Summary

Cellular senescence, a state entered during aging, has a complex relationship with cancer. This article explores how senescent cells can both promote and inhibit cancer, and discusses leveraging senescence to improve cancer therapies.

Area of Science:

  • Cellular biology
  • Oncology
  • Aging research

Background:

  • Cellular senescence is a key process during aging.
  • The connection between senescence and cancer is known but not fully understood.
  • Senescence can be triggered by anti-cancer treatments.

Purpose of the Study:

  • To elucidate the dual role of senescent cells in cancer initiation and progression.
  • To examine senescence as a response to cancer therapy.
  • To explore strategies for enhancing anti-cancer therapies using senescence.

Main Methods:

  • Review of existing literature on cellular senescence and cancer.
  • Analysis of the properties of senescent cells.
  • Discussion of therapeutic implications.

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Main Results:

  • Senescent cells exhibit properties that can either promote or suppress tumor development.
  • Senescence is a significant cellular response to chemotherapy and radiotherapy.
  • Targeting senescent cells offers potential for novel cancer treatment strategies.

Conclusions:

  • Cellular senescence plays a multifaceted role in cancer biology.
  • Understanding senescence is crucial for developing more effective and less toxic cancer therapies.
  • Harnessing senescence holds promise for improving cancer treatment outcomes.