science

OT-12

OT-12 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand OT-12 rather than just read about it. In short: OT-12 is a long-acting peripherally selective peptide oxytocin receptor agonist. It is a potent full agonist of the oxytocin receptor with comparable potency to oxytocin but with greater selectivity for the oxytocin receptor over the vasopressin receptors relative to oxytocin.

Key takeaways

OT-12 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect OT-12 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of OT-12 from memory before moving on to harder problems.

Reference excerpt

OT-12 is a long-acting peripherally selective peptide oxytocin receptor agonist. It is a potent full agonist of the oxytocin receptor with comparable potency to oxytocin but with greater selectivity for the oxytocin receptor over the vasopressin receptors relative to oxytocin. The drug is highly peripherally selective similarly to oxytocin, with a brain-to-plasma ratio of about 1/190 or 0.5%. However, it shows much greater plasma protein binding and consequent metabolic stability compared to oxytocin. Whereas oxytocin has a plasma half-life of 2 to 3 minutes, OT-12 shows a terminal half-life with depot subcutaneous injection of 24 hours in rodents. It is thought that in humans the half-life of OT-12 by this route would be further much longer and could potentially allow for administration once every 1 to 2 weeks. Despite not crossing into the brain, OT-12 has been found to suppress food intake and decrease body weight when given by subcutaneous injection in rodents. The chemical synthesis of OT-12 has been described. OT-12 was first described in the scientific literature by Elsa Pflimlin and colleagues by 2020.

See also Oxytocin receptor agonist PF-06655075 (PF1; ASK1476)

References

Worked examples

Example 1 — a first encounter with OT-12

Start with the simplest possible case. Write down what OT-12 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to OT-12 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about OT-12 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of OT-12

In research: OT-12 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses OT-12 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: OT-12 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Drugs not assigned an ATC code, Oxytocin receptor agonists, Peptides, so understanding it makes those chapters shorter.
In everyday life: Look for OT-12 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study OT-12 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what OT-12 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain OT-12 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is OT-12 in simple terms?

Why does OT-12 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study OT-12?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on OT-12.