antisense rna: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “antisense rna” mean?
A single-stranded RNA molecule that is complementary to a messenger RNA (mRNA) strand, capable of binding to it and inhibiting its translation into protein.
Audio
Pronunciation
Definition
Meaning and Definition
A single-stranded RNA molecule that is complementary to a messenger RNA (mRNA) strand, capable of binding to it and inhibiting its translation into protein.
In molecular biology and genetics, antisense RNA refers to RNA transcripts that are complementary to specific mRNA sequences. They function in gene regulation by base-pairing with their target mRNA, which can block ribosome binding, promote mRNA degradation, or interfere with splicing. This natural regulatory mechanism is also exploited therapeutically and in research through synthetic antisense oligonucleotides to silence specific genes.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. Pronunciation may show minor variation in stress or vowel quality.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low frequency in both UK and US English, confined to specialist literature.
Grammar
How to Use “antisense rna” in a Sentence
[antisense RNA] binds to [mRNA][antisense RNA] inhibits [gene expression][researchers] designed [antisense RNA] against [target][gene] produces [antisense RNA]Vocabulary
Collocations
Examples
Examples of “antisense rna” in a Sentence
verb
British English
- The lab will antisense-treat the cells. (Note: highly non-standard; 'treat with antisense RNA' is correct)
American English
- Researchers attempted to antisense the oncogene. (Note: highly non-standard; 'target the oncogene with antisense RNA' is correct)
adverb
British English
- The gene was regulated antisensely. (Note: extremely rare/non-standard)
American English
- The oligonucleotide acted antisensely. (Note: extremely rare/non-standard)
adjective
British English
- The antisense-RNA approach showed promise.
- They used an antisense mechanism.
American English
- The antisense RNA strategy was effective.
- We designed an antisense construct.
Usage
Meaning in Context
Business
Rare, except in biotech/pharma contexts discussing drug development platforms.
Academic
Common in molecular biology, genetics, and biochemistry research papers and textbooks.
Everyday
Virtually never used.
Technical
The primary register. Used precisely in laboratory protocols, research discussions, and scientific reviews.
Vocabulary
Synonyms of “antisense rna”
Strong
Neutral
Weak
Vocabulary
Antonyms of “antisense rna”
Watch out
Common Mistakes When Using “antisense rna”
- Misspelling as 'anti-sense RNA' (hyphenated) is common but the standard form is 'antisense RNA'.
- Using it as a verb (e.g., 'to antisense a gene' is incorrect; use 'to target with antisense RNA').
- Confusing it with 'RNA interference' (RNAi), which is a related but distinct mechanism involving double-stranded RNA.
FAQ
Frequently Asked Questions
No, they are related but distinct. Antisense RNA is typically a single-stranded molecule complementary to a specific mRNA. siRNA and miRNA are double-stranded RNAs involved in the RNA interference (RNAi) pathway, which leads to mRNA degradation or translational repression.
Yes, synthetic antisense oligonucleotides (ASOs) are a class of drugs designed to bind to specific mRNA targets to treat diseases, including certain genetic disorders and cancers.
Yes, the human genome transcribes many natural antisense RNAs (NATs) that play roles in regulating gene expression, though their full functions are still being researched.
It refers to the 'sense strand' or 'coding strand' of DNA, which has the same sequence as the mRNA (except T for U). The 'antisense' strand is complementary to this and serves as the template for mRNA synthesis. Antisense RNA is complementary to the mRNA, hence complementary to the 'sense' sequence.
A single-stranded RNA molecule that is complementary to a messenger RNA (mRNA) strand, capable of binding to it and inhibiting its translation into protein.
Antisense rna is usually technical/scientific in register.
Antisense rna: in British English it is pronounced /ˌæn.tiˈsens ˌɑːr.ɛnˈeɪ/, and in American English it is pronounced /ˌæn.t̬iˈsens ˌɑːr.ɛnˈeɪ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think of 'ANTI' meaning 'against' and 'SENSE' as the 'message' (mRNA). Antisense RNA works AGAINST the SENSE message to block it.
Conceptual Metaphor
A MOLECULAR LOCK AND KEY (the antisense RNA is the key that fits into the lock of the mRNA to block it). / A MOLECULAR MASK (it masks the mRNA so the cell's machinery cannot read it).
Practice
Quiz
What is the primary function of natural antisense RNA?