Related Experiment Video
Updated: May 25, 2026

09:13
Quantitative Immunofluorescence to Measure Global Localized Translation
Published on: August 22, 2017
Translational semantics and infrastructure: another search for the emperor's new clothes?
Kevin Mullane1, Michael Williams
1Profectus Pharma Consulting, San Jose, CA, USA.
Drug Discovery Today
|January 25, 2012
Summary
Translational medicine (T1) facilitates drug discovery by linking preclinical research to clinical trials. The focus should be on improving scientific quality and decision-making for valuable drug translation, not just the process itself.
Area of Science:
- Pharmacological Sciences
- Drug Discovery and Development
- Translational Medicine
Background:
- The transition of new chemical entities from discovery to clinical trials is crucial for drug discovery success.
- Translational medicine (T1) is a term for this process, often presented as a novel discipline.
- Many activities within translational medicine have long been part of pharmacological sciences.
Purpose of the Study:
- To critically evaluate the concept and hype surrounding translational medicine.
- To emphasize the importance of scientific rigor and informed decision-making in advancing drug candidates.
- To shift focus from the novelty of the discipline to the quality of the translation process.
Main Methods:
- Review of existing practices in drug discovery and pharmacological sciences.
- Analysis of the definition and application of translational medicine.
- Conceptual framework development for improving the translation of compounds.
Main Results:
- Translational medicine integrates established practices rather than being entirely new.
- The emphasis on 'T1' has sometimes overshadowed the need for high-quality science.
- Effective drug translation requires robust scientific evaluation and decision-making.
Conclusions:
- Translational medicine's value lies in enhancing the quality of scientific processes, not in its novelty.
- Prioritizing scientific integrity ensures that translated compounds have genuine therapeutic value.
- Improving decision-making in compound advancement is key to successful drug discovery.
Related Concept Videos
Leaky Scanning
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...
Cotranslational Protein Translocation
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.
Sec61 channel partners for cotranslational translocation
During cotranslational translocation, the Sec61 channel partners with the signal recognition particle (SRP), the signal recognition particle receptor (SR), and the ribosomes to transport the nascent polypeptide chain...
Sec61 channel partners for cotranslational translocation
During cotranslational translocation, the Sec61 channel partners with the signal recognition particle (SRP), the signal recognition particle receptor (SR), and the ribosomes to transport the nascent polypeptide chain...
Improving Translational Accuracy
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...
Improving Translational Accuracy
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...
Termination of Translation
The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
Termination of Translation
The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
