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Related Concept Videos

Regulated mRNA Transport02:22

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In eukaryotes, transcription and translation are compartmentalized; an mRNA is first synthesized in the nucleus and then selectively transported to the cytoplasm for protein synthesis. Before transport, a pre-mRNA undergoes several steps of post-transcriptional modifications including splicing, 5' capping, and the addition of a poly-adenine tail. Various proteins bind to the pre-mRNA during these modifications. The mRNA transport takes place with the help of multiple proteins playing...
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Translocation of proteins across membranes is an ancient process that occurs even in bacteria and archaebacteria. In fact, the components of the translocation machinery are still conserved between prokaryotes and eukaryotes.
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Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
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Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
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Updated: May 17, 2025

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Translational network neuroscience: Nine roadblocks and possible solutions.

Lucius S Fekonja1,2, Stephanie J Forkel3,4,5,6, Dogu Baran Aydogan7,8

  • 1Department of Neurosurgery, Charité - University Hospital, Berlin, Germany.

Network Neuroscience (Cambridge, Mass.)
|March 31, 2025
PubMed
Summary

Translational network neuroscience faces nine key challenges hindering clinical application. Overcoming these through interdisciplinary commitment and ethical frameworks can advance personalized medicine for neurological disorders.

Keywords:
ConnectomicsNetwork neurosciencePatientsPersonalized medicineTranslational medicine

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Area of Science:

  • Neuroscience
  • Medical Imaging
  • Data Science

Background:

  • Translational network neuroscience seeks to apply advanced neuroimaging and data analysis to clinical practice for neurological disorders.
  • Functional MRI (fMRI) and diffusion MRI (dMRI) show promise but face significant translational barriers.

Purpose of the Study:

  • To identify and categorize the key challenges impeding the clinical translation of network neuroscience.
  • To propose strategies for overcoming these obstacles and facilitating the integration of network neuroscience into routine clinical practice.

Main Methods:

  • Identification of nine major roadblocks across theoretical, technical, data-related, resource, collaboration, operational, and ethical domains.
  • Development of potential solution strategies to address each identified challenge.

Main Results:

  • Key challenges include theoretical foundations, network construction/validation, MRI data issues (access, variability, standardization), data sharing, computational resources, interdisciplinary collaboration, industry partnerships, operational integration, and ethical/legal considerations.
  • Proposed solutions emphasize aligning scientific goals with clinical needs and establishing ethical guidelines.

Conclusions:

  • Addressing these nine translational hurdles is crucial for advancing network neuroscience.
  • An interdisciplinary commitment and a robust ethical framework are essential for integrating advanced neuroimaging and network analysis into personalized medicine and improving patient care for neurological disorders.