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Related Concept Videos

Translation01:31

Translation

21.8K
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.
Translation Produces the Building Blocks of Life
Proteins are...
21.8K
Translation01:31

Translation

159.6K
Lesson: Translation
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.
Translation Produces the Building Blocks of...
159.6K
Leaky Scanning02:28

Leaky Scanning

5.9K
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...
5.9K
Initiation of Translation02:33

Initiation of Translation

40.1K
Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
40.1K
Initiation of Translation02:33

Initiation of Translation

8.5K
8.5K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

520
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
520

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Related Experiment Video

Updated: Mar 23, 2026

Measurement of Specific Mycobacterial Mistranslation Rates with Gain-of-function Reporter Systems
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Measurement of Specific Mycobacterial Mistranslation Rates with Gain-of-function Reporter Systems

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Risk and resistance perspectives in translation-oriented etiology research.

Michael M Vanyukov1, Ralph E Tarter2, Kevin P Conway3

  • 1University of Pittsburgh, 3520 Forbes Ave., Suite 203, Pittsburgh, PA, 15213, USA. mmv@pitt.edu.

Translational Behavioral Medicine
|March 26, 2016
PubMed
Summary
This summary is machine-generated.

Medical research often focuses on risk factors for disorders. Shifting focus to resistance factors offers a complementary perspective for prevention and treatment, particularly in substance use disorder.

Keywords:
MalleabilityPhenotype measurementProtective factorsResearch paradigmResilience

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Area of Science:

  • Biomedical research
  • Psychiatry
  • Addiction medicine

Background:

  • Current medical research predominantly investigates risk factors for disorders, aiming for prevention and treatment.
  • Liability to a disorder is a complex trait influenced by various factors, with risk being only one aspect.
  • Resistance to a disorder, the opposing aspect of liability, encompasses factors promoting prevention or recovery.

Purpose of the Study:

  • To highlight the distinction between risk and resistance perspectives in biomedical research.
  • To demonstrate how this conceptual difference impacts research goals, methods, and intervention strategies.
  • To advocate for a shift towards a resistance-focused perspective in research and clinical practice.

Main Methods:

  • Conceptual analysis comparing risk and resistance frameworks in scientific inquiry.
  • Exploration of how differing perspectives influence the selection of research mechanisms and desired intervention outcomes.
  • Application of the resistance concept to substance use disorder as a case study.

Main Results:

  • The resistance concept is distinct from, yet subsumes, related ideas like resilience and protective factors.
  • Research approaches focusing on resistance may identify different etiological mechanisms and therapeutic targets than risk-focused research.
  • A resistance perspective offers a valuable, complementary viewpoint for understanding and intervening in disorders.

Conclusions:

  • Recognizing and adopting a resistance perspective is crucial for advancing biomedical research and its translation.
  • This shift can lead to novel strategies for disorder prevention, management, and recovery.
  • Further research prioritizing resistance factors is warranted across various medical disciplines, exemplified by substance use disorder.