Скачать или смотреть 10. Translation Inhibitors 🧬⚡ | Antibiotics & Toxins Affecting Protein Synthesis | USMLE Step 1

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Translation Inhibitors 🧬⚡ | Antibiotics & Toxins Affecting Protein Synthesis | High-Yield USMLE Step 1

This lecture explains translation inhibitors, a highly tested integration point between molecular biology and pharmacology in USMLE Step 1, focusing on drugs and toxins that interfere with protein synthesis 🧬📚. Translation inhibitors act at different stages of protein synthesis by targeting ribosomal subunits, initiation, elongation, or translocation, and their selective toxicity forms the basis of antimicrobial therapy ⚡. The lecture systematically explains inhibitors of the 30S ribosomal subunit such as tetracyclines blocking aminoacyl-tRNA binding and aminoglycosides causing misreading of mRNA, and 50S subunit inhibitors such as macrolides and clindamycin blocking translocation, and chloramphenicol inhibiting peptidyl transferase 🔥. Eukaryotic translation inhibitors and toxins including diphtheria toxin and Pseudomonas exotoxin A inhibiting elongation factor-2, ricin inactivating ribosomes, and cycloheximide inhibiting eukaryotic ribosomal translocation are emphasized as classic USMLE favorites 🧠. High-yield correlations include mitochondrial toxicity, antibiotic side effects, and why some drugs spare human ribosomes. By integrating mechanism, ribosomal site, and clinical relevance, this session builds strong conceptual clarity and rapid recall essential for USMLE Step 1 MCQs and vignette-based questions ❤️✨.

#USMLE #USMLEStep1 #MolecularBiology #Biochemistry #TranslationInhibitors #ProteinSynthesis #Ribosome #30S #50S #Tetracyclines #Aminoglycosides #Macrolides #Chloramphenicol #DiphtheriaToxin #Ricin #Cycloheximide #Antibiotics #HighYield #MedicalEducation #ConceptualMedicine