biology

MMP14

MMP14 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 MMP14 rather than just read about it. In short: Matrix metalloproteinase-14 is an enzyme that in humans is encoded by the MMP14 gene. Structure Matrix metalloproteinase-14 (MMP14), also known as MT1-MMP, is a zinc-dependent type I transmembrane metalloproteinase characterized by a modular structure that enables its diverse biological functions.

Key takeaways

MMP14 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect MMP14 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of MMP14 from memory before moving on to harder problems.

Reference excerpt

Matrix metalloproteinase-14 is an enzyme that in humans is encoded by the MMP14 gene.

Structure Matrix metalloproteinase-14 (MMP14), also known as MT1-MMP, is a zinc-dependent type I transmembrane metalloproteinase characterized by a modular structure that enables its diverse biological functions. The protein comprises an extracellular catalytic domain responsible for matrix degradation, a short 20-amino acid cytoplasmic tail, and a single transmembrane domain anchoring it to the cell membrane. The gene encoding MMP14 is organized into ten exons, with the novel C-terminal peptide domains and the 3'-untranslated region encoded by a single large exon; this structure is distinct from other MMP family members. The exons for the catalytic and pro-domains are unique to MMP14, while the hemopexin-like domains share similarity with other MMPs. The short intracellular domain (ICD) of MMP14 contains a unique lysine residue (Lys581) that can be mono-ubiquitinated, a modification that regulates the enzyme's trafficking and cellular invasion functions. This structural arrangement allows MMP14 to localize its proteolytic activity to the pericellular environment, facilitating processes such as extracellular matrix remodeling, cell migration, and activation of other MMPs, notably pro-MMP2.

Function MMP14 (matrix metalloproteinase-14) is a membrane-anchored enzyme with critical roles in tissue remodeling, development, and cellular metabolism. Its primary function is the proteolytic degradation of extracellular matrix (ECM) components, which is essential for processes such as organ development, cell migration, and branching morphogenesis. MMP14 directly activates other MMPs, most notably MMP2, and indirectly activates MMP13 and MMP9, thereby amplifying ECM remodeling and facilitating cellular invasion, a mechanism particularly relevant in cancer metastasis. Beyond its catalytic activity, MMP14 interacts with cell surface molecules (such as CD44 and integrins) to modulate cell signaling and behavior. Studies in knockout mice have shown that loss of MMP14 leads to severe defects in collagen turnover, impaired adipogenesis, metabolic imbalance, and increased autophagy, highlighting its role in maintaining metabolic homeostasis and energy storage. MMP14 integrates extracellular matrix remodeling with intracellular energy regulation, making it an important regulator of both tissue structure and metabolic balance.

Clinical significance Increased expression of MMP14 has been observed in several cancers, including bladder, breast, colorectal, and renal cancers, and is often associated with more advanced disease and poorer short-term prognosis. High MMP14 expression in tumor tissues correlates with increased tumor progression, metastasis, and reduced survival rates, particularly in muscle-invasive bladder cancer and colorectal cancer. In addition, MMP14 is involved in the tumor microenvironment, including its expression by cancer-associated fibroblasts, which may contribute to tumor recurrence and resistance to certain chemotherapies. While these associations suggest that MMP14 could serve as a useful prognostic biomarker and potential therapeutic target, its precise role and clinical utility may vary depending on cancer type and context.

Interactions MMP14 has been shown to interact with TIMP2.

Illustrations

Worked examples

Example 1 — a first encounter with MMP14

Start with the simplest possible case. Write down what MMP14 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 MMP14 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 MMP14 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 MMP14

In research: MMP14 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 MMP14 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: MMP14 is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 3.4.24, Genes on human chromosome 15, Human chromosome 14 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for MMP14 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 MMP14 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what MMP14 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 MMP14 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is MMP14 in simple terms?

Matrix metalloproteinase-14 is an enzyme that in humans is encoded by the MMP14 gene. Structure Matrix metalloproteinase-14 (MMP14), also known as MT1-MMP, is a zinc-dependent type I transmembrane metalloproteinase characterized by a modular structure that enables its diverse biological functions.

Why does MMP14 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 MMP14?

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 MMP14.