biology

PDE10A

PDE10A 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 PDE10A rather than just read about it. In short: cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A is an enzyme that in humans is encoded by the PDE10A gene. Various cellular responses are regulated by the second messengers cAMP and cGMP.

Key takeaways

PDE10A belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect PDE10A to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of PDE10A from memory before moving on to harder problems.

Reference excerpt

cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A is an enzyme that in humans is encoded by the PDE10A gene. Various cellular responses are regulated by the second messengers cAMP and cGMP. Phosphodiesterases, such as PDE10A, eliminate cAMP- and cGMP-mediated intracellular signaling by hydrolyzing the cyclic nucleotide to the corresponding nucleoside 5-prime monophosphate.

Inhibitors

AMG-579 Balipodect (TAK-063): IC50 = 300 pM Compound 96: IC50 = 700 pM, high selectivity against all other members of the PDE family CPL500036 Mardepodect (PF-2545920) MK-8189 Papaverine Tofisopam CPL 36

Research Preliminary evidence indicates a possible link between PDE10A expression and obesity in mice and humans. PDE10A is a regulatory protein involved in the signaling of the striatum, a region of the brain important for controlling movement and cognition. Dysfunction of the striatum has been linked to the development of schizophrenia. Inhibition of PDE10A has been identified as a potential treatment for the disorder, and an inhibitor compound (MK-8189) is as of February 2023 in Phase 2b clinical development for the treatment of schizophrenia.

References

Illustrations

Worked examples

Example 1 — a first encounter with PDE10A

Start with the simplest possible case. Write down what PDE10A 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 PDE10A 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 PDE10A 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 PDE10A

In research: PDE10A 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 PDE10A 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: PDE10A is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 3.1.4, Genes on human chromosome 6, Human chromosome 6 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for PDE10A 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 PDE10A in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what PDE10A 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 PDE10A out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is PDE10A in simple terms?

Why does PDE10A 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 PDE10A?

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 PDE10A.