Biological Sciences and Engineering, IITGN retweetledi

Much like a roadmap, the genome is key to navigating various intricacies of any organism. In this dynamic system, mobile genetic elements, called transposable elements or ‘jumping genes’, help regulate and modify DNA based on requirement. A recent study shines light on an immobile version of these genes called THAP9 (Thanatos-associated protein), and its unexpected abundance in the oligodendrocytes of the human brain. However, its exact role in these cells, which are involved in nerve fibre insulation and nourishment, was not clear.
To investigate further, researchers at IITGN combined multiple approaches. Large-scale datasets were screened to identify genes involved in oligodendrocyte development. This was followed by RNA sequence analysis, which allowed them to track and pinpoint the exact location of THAP activity, individually in each cell. They found that THAP9 is associated with and may regulate the development of oligodendrocyte progenitor cells into mature oligodendrocytes. Gene network and pathway analyses provided a better understanding of how THAP9 interacts with other regulators of oligodendrocyte development.
The most interesting finding in this discovery is the evolution of THAP9 from ancient transposable elements into this repurposed, highly-specialised version in humans. Such outcomes open new doors to understanding brain development and future research on neurological disorders.
The team includes Tanuja Bhardwaj, Dhrumi Patel, and Prof Sharmistha Majumdar.
To read more, click the link in bio.
onlinelibrary.wiley.com/doi/10.1111/jn…
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