Antimetabolite
Definition
A natural or synthetic chemical substance whose molecular structure closely resembles that of an essential metabolite in the body, capable of blocking, competing with, or inhibiting its normal utilization in cellular processes; in a clinical sense, it is used in chemotherapy (such as methotrexate or fluorouracil) to sabotage DNA synthesis in tumor cells.
Bilingual Equivalents
- Antimetabolite
- Metabolic antagonist
Grammatical & Source Details
| Inflection Type | Regular masculine noun with standard grammatical plural variations ending in '-i' or variable descriptive adjective. |
| Formation | Scientific compound combining the prefix 'anti-' with the biological base noun 'metabolit' (metabolite). |
| Spelling / Pronunciation | [ˌæn.ti.mə.ˈtæb.əl.aɪt] |
| Source | Compendium of Clinical Oncology, Molecular Pharmacology, and Metabolic Pathways |
Contextual Usage Examples
RO: Medicul a explicat că acest antimetabolit păcălește celula canceroasă, integrându-se în structura ei și blocându-i diviziunea.
EN: The doctor explained that this antimetabolite tricks the cancer cell, integrating into its structure and blocking its division.
RO: Cercetătorii analizează un nou antimetabolit al acidului folic destinat tratamentului bolilor autoimune severe.
EN: Researchers are analyzing a new folic acid antimetabolite intended for the treatment of severe autoimmune diseases.
RO: Administrarea prelungită a unui agent antimetabolit structural necesită monitorizarea atentă a funcției hepatice.
EN: The prolonged administration of a structural antimetabolite agent requires careful monitoring of liver function.
Idioms & Phrases
Medicament antimetabolit / Antimetabolite drug
RO: Substanță chimioterapică citotoxică de sinteză utilizată pentru a opri replicarea acizilor nucleici în tumorile maligne.
EN: A synthetic cytotoxic chemotherapeutic substance used to halt nucleic acid replication in malignant tumors.
Inhibiție prin antimetabolit / Antimetabolite competitive inhibition
RO: Proces biochimic prin care analogul structural ocupă situl activ al unei enzime, împiedicând legarea substratului natural.
EN: A biochemical process through which the structural analog occupies the active site of an enzyme, preventing the binding of the natural substrate.
Antimetabolit purinic / Purine antimetabolite
RO: Clasă specifică de compuși (cum este mercaptopurina) care mimează structura bazelor azotate purinice pentru a perturba sinteza ADN.
EN: A specific class of compounds (such as mercaptopurine) that mimic the structure of purine nitrogenous bases to disrupt DNA synthesis.
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