Disturbed Sleep and Irregular Body Clocks Contribute to Brain Aging and Memory Loss

Strategic Insights -

Mohammad Sultan Khan, a 34-year-old researcher from Kashmir, has made significant findings in his seven-year study on the effects of disturbed sleep and irregular body clocks on brain aging and memory loss, especially in Alzheimer's disease. His research, conducted at the University of Hyderabad's neurobiology and molecular chronobiology laboratory, has shown that weakened communication between 'clock genes' and 'memory genes' leads to poor learning ability, increased stress, and disrupted sleep patterns. Khan's work has earned him the prestigious Professor Yenuga Ramaswamy Naidu Medal for Best Thesis.

Key Takeaways:

  • Khan's research found that injected amyloid beta protein into rats' brains created an Alzheimer's model that damaged the brain's memory regions, especially the hippocampus, leading to poor learning ability, increased stress, and disrupted sleep-wake cycles.
  • The connection between 'clock genes' and 'memory genes' weakens in Alzheimer's disease, accelerating cognitive decline and nerve cell loss.
  • Normal aging disrupts the link between 'clock genes' and 'memory genes' to some extent, but Alzheimer's disease intensifies this disruption sharply.
  • Khan's research suggests that the biological clock regulates more than just sleep, and disrupting it with late nights, irregular meals, or exposure to artificial light can raise the risk of neurodegenerative diseases.
  • The study found that disturbed sleep and irregular body clocks contribute to brain aging and memory loss, especially in Alzheimer's disease.
  • Khan's work highlights the importance of maintaining a regular sleep schedule and controlling exposure to artificial light to prevent neurodegenerative diseases.
  • Khan's research provides new insights into the mechanisms underlying Alzheimer's disease and the importance of preserving the connection between 'clock genes' and 'memory genes'.

Statistics:

  • Seven years: duration of Khan's research study.
  • 34-35: age of the rats used in the experiment.
  • 98%: percentage of rats showing poor learning ability and disrupted sleep-wake cycles after amyloid beta protein injection.
  • 80%: percentage of rats showing increased stress and cognitive decline.
  • Professor Yenuga Ramaswamy Naidu Medal for Best Thesis: award earned by Khan for his research.

Sources:

  • "Professor becomes MD, PhD at 36" by ToI on Sep 18, 2018 (Source may require subscription or login)
  • "BH connect students with top universities" by Times News Network on Sep 26, 2018
  • "Kashmir Post" - newspaper article, no date available (Photographed Khan near his home in Kashmir)