biology

Vesicular acetylcholine transporter

Vesicular acetylcholine transporter is a biology 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 Vesicular acetylcholine transporter rather than just read about it. In short: The Vesicular acetylcholine transporter (VAChT) is a neurotransmitter transporter which is responsible for loading acetylcholine (ACh) into secretory organelles in neurons making acetylcholine available for secretion. It is encoded by Solute carrier family 18, member 3 (SLC18A3) gene, located within the first intron of the choline acetyltransferase gene.

Key takeaways

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

Reference excerpt

The Vesicular acetylcholine transporter (VAChT) is a neurotransmitter transporter which is responsible for loading acetylcholine (ACh) into secretory organelles in neurons making acetylcholine available for secretion. It is encoded by Solute carrier family 18, member 3 (SLC18A3) gene, located within the first intron of the choline acetyltransferase gene. VAChT is able to transport ACh into vesicles by relying on an exchange between protons (H+) that were previously pumped into the vesicle diffusing out, thus acting as an antiporter. ACh molecules are then carried into the vesicle by the action of exiting protons. Acetylcholine transport utilizes a proton gradient established by a vacuolar ATPase.

VAChT uptake inhibitors

Radiolabeled compounds PET imaging of the VAChT may provide insights into early diagnosis of Alzheimer's disease.

(−)-trans-2-Hydroxy-3-(4-(4-[18F]fluorobenzoyl)piperidino)tetralin; racemate: Ki = 2.70 nM for VAChT, 191 nM for σ1, and 251 nM for σ2

References

Illustrations

Worked examples

Example 1 — a first encounter with Vesicular acetylcholine transporter

Start with the simplest possible case. Write down what Vesicular acetylcholine transporter claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Vesicular acetylcholine transporter 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 Vesicular acetylcholine transporter 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 Vesicular acetylcholine transporter

In research: Vesicular acetylcholine transporter appears in biology 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 Vesicular acetylcholine transporter 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: Vesicular acetylcholine transporter is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 10, Membrane protein stubs, Solute carrier family, so understanding it makes those chapters shorter.
In everyday life: Look for Vesicular acetylcholine transporter 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 Vesicular acetylcholine transporter in 20 minutes

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

Frequently asked questions

What is Vesicular acetylcholine transporter in simple terms?

Why does Vesicular acetylcholine transporter matter?

Because it connects several biology 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 Vesicular acetylcholine transporter?

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 Vesicular acetylcholine transporter.