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biology

IFI16

IFI16 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 IFI16 rather than just read about it. In short: Gamma-interferon-inducible protein Ifi-16 (Ifi-16) also known as interferon-inducible myeloid differentiation transcriptional activator is a protein that in humans is encoded by the IFI16 gene. Function This gene encodes a member of the HIN-200 (hematopoietic interferon-inducible nuclear antigens with 200 amino acid repeats) family of cytokines.

IFI16 — main illustration
IFI16 — illustration

Key takeaways

  • IFI16 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect IFI16 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of IFI16 from memory before moving on to harder problems.

Reference excerpt

Gamma-interferon-inducible protein Ifi-16 (Ifi-16) also known as interferon-inducible myeloid differentiation transcriptional activator is a protein that in humans is encoded by the IFI16 gene.

Function This gene encodes a member of the HIN-200 (hematopoietic interferon-inducible nuclear antigens with 200 amino acid repeats) family of cytokines. The encoded protein contains domains involved in DNA binding, transcriptional regulation, and protein-protein interactions. The protein localizes to the nucleoplasm and nucleoli, and interacts with p53. It modulates p53 function, and inhibits cell growth in the Ras/Raf signaling pathway. IFI16 has been shown to play a role in the sensing of intracellular DNA - a hallmark of virally infected cells - and has also been linked to the death of HIV-infected helper CD4 T cells by pyroptosis, a highly inflammatory form of programmed cell death. Recently, it has been shown how IFI16, once extracellularly released, can induce inflammation upon TLR4 binding, acting as a DAMP.

References

Further reading

External links IFI16+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Illustrations

IFI16 illustration
IFI16 illustration
IFI16 illustration
IFI16 illustration
IFI16 illustration

Worked examples

Example 1 — a first encounter with IFI16

Start with the simplest possible case. Write down what IFI16 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 IFI16 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 IFI16 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 IFI16

In research
IFI16 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 IFI16 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
IFI16 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 1, Human chromosome 1 gene stubs, Transcription factors, so understanding it makes those chapters shorter.
In everyday life
Look for IFI16 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 IFI16 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what IFI16 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain IFI16 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is IFI16 in simple terms?

Gamma-interferon-inducible protein Ifi-16 (Ifi-16) also known as interferon-inducible myeloid differentiation transcriptional activator is a protein that in humans is encoded by the IFI16 gene. Function This gene encodes a member of the HIN-200 (hematopoietic interferon-inducible nuclear antigens w…

Why does IFI16 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 IFI16?

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 IFI16.

Tags

  • Genes on human chromosome 1
  • Human chromosome 1 gene stubs
  • Transcription factors

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