science

Terguride

Terguride 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 Terguride rather than just read about it. In short: Terguride (INNTooltip International Nonproprietary Name, JANTooltip Japanese Accepted Name), sold under the brand name Teluron, is a serotonin receptor antagonist and dopamine receptor agonist of the ergoline family. It is approved for and used as a prolactin inhibitor in the treatment of hyperprolactinemia (high prolactin levels) in Japan.

Key takeaways

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

Reference excerpt

Terguride (INNTooltip International Nonproprietary Name, JANTooltip Japanese Accepted Name), sold under the brand name Teluron, is a serotonin receptor antagonist and dopamine receptor agonist of the ergoline family. It is approved for and used as a prolactin inhibitor in the treatment of hyperprolactinemia (high prolactin levels) in Japan. Terguride is taken by mouth.

Pharmacology

Pharmacodynamics Terguride acts as an agonist of the dopamine D2 receptor and as an antagonist of the serotonin 5-HT2A and 5-HT2B receptors, among other actions. As an antagonist of the 5-HT2B receptor, terguride is not associated with cardiac valvulopathy.

Research Serotonin stimulates the proliferation of pulmonary artery smooth muscle cells, and induces fibrosis in the wall of pulmonary arteries. Together, this causes vascular remodeling and narrowing of the pulmonary arteries. These changes result in increased vascular resistance and PAH. Due to the potential anti-proliferative and anti-fibrotic activity of terguride, this potential medicine could offer the hope of achieving reversal of pulmonary artery vascular remodeling and attenuation of disease progression. In May 2008, terguride was granted orphan drug status for the treatment of pulmonary arterial hypertension. In May 2010 Pfizer purchased worldwide rights for the drug. However, development was discontinued in 2011.

See also List of investigational Parkinson's disease drugs Lisuride Proterguride

References

Illustrations

Worked examples

Example 1 — a first encounter with Terguride

Start with the simplest possible case. Write down what Terguride 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 Terguride 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 Terguride 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 Terguride

In research: Terguride 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 Terguride 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: Terguride is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alpha-1 blockers, Alpha-2 blockers, D2 antagonists, so understanding it makes those chapters shorter.
In everyday life: Look for Terguride 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 Terguride in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Terguride 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 Terguride out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Terguride in simple terms?

Why does Terguride 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 Terguride?

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 Terguride.