biology

Mitochondrial pyruvate carrier 1

Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1 rather than just read about it. In short: Mitochondrial pyruvate carrier 1 (MPC1), also known as brain protein 44-like (BRP44L) and SLC54A1, is a protein that in humans is encoded by the MPC1 gene. It is part of the mitochondrial pyruvate carrier (MPC) protein family.

Key takeaways

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Reference excerpt

Mitochondrial pyruvate carrier 1 (MPC1), also known as brain protein 44-like (BRP44L) and SLC54A1, is a protein that in humans is encoded by the MPC1 gene. It is part of the mitochondrial pyruvate carrier (MPC) protein family. This protein is involved in transport of pyruvate across the inner membrane of mitochondria in preparation for the pyruvate dehydrogenase reaction.

Interactive pathway map Click on genes, proteins and metabolites below to link to respective articles.

Clinical significance Mitochondrial pyruvate carrier deficiency (MPYCD) is an autosomal recessive disease due to mutations in the MPC1 gene on chromosome 6q27. It is an inborn error of carbohydrate metabolism that blocks aerobic glycolysis by preventing the transport of pyruvate from the cytosol into the mitochondrion for oxidative phosphorylation; however, anaerobic glycolysis is preserved. Common signs and symptoms include poor growth, normal lactate/pyruvate ratio (however both lactate and pyruvate are in higher than normal concentrations), hepatomegaly, lactic acidosis, hypoglycemia, neurological problems, and hypotonia. A disease with comparable symptoms is also seen in autosomal recessive mutations of the MPC2 gene.

See also Mitochondrial pyruvate carrier 2 Inborn errors of carbohydrate metabolism

References

Illustrations

Worked examples

Example 1 — a first encounter with Mitochondrial pyruvate carrier 1

Start with the simplest possible case. Write down what Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1

In research: Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1 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: Mitochondrial pyruvate carrier 1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Autosomal recessive disorders, Genes on human chromosome 6, Human chromosome 6 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1 in 20 minutes

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Frequently asked questions

What is Mitochondrial pyruvate carrier 1 in simple terms?

Why does Mitochondrial pyruvate carrier 1 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 Mitochondrial pyruvate carrier 1?

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 Mitochondrial pyruvate carrier 1.