science

Vaccine therapy

Vaccine therapy is a science 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 Vaccine therapy rather than just read about it. In short: Vaccine therapy is a type of treatment that uses a substance or group of substances to stimulate the immune system to destroy a tumor or infectious microorganisms such as bacteria or viruses. Cancer vaccines Cancer is a group of fatal diseases that involves abnormal cell growth that can invade or spread to other parts of the body.

Key takeaways

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

Reference excerpt

Vaccine therapy is a type of treatment that uses a substance or group of substances to stimulate the immune system to destroy a tumor or infectious microorganisms such as bacteria or viruses.

Cancer vaccines Cancer is a group of fatal diseases that involves abnormal cell growth that can invade or spread to other parts of the body. They are usually caused by the accumulation of mutations in genes that regulate cell growth and differentiation. Majority of cancer, about 90-95%, are due to genetic mutations from environmental and lifestyle factors – including age, chemicals, diet, exercise, viruses, and radiation. The remaining 5-10% are due to inherited genetics. Some of the cancers may be difficult to treat by conventional means such as surgery, radiation, and chemotherapy, but may be controlled by the stimulation of the immune response of the body with the help of cancer vaccines.

Preventive or prophylactic vaccines Treatment or therapeutic vaccines These vaccines are intended to treat existing cancer by stimulating the patient’s immune system. Cancer vaccines can also divided into specific or universal cancer vaccine based on the types of cancer it is used for. Specific cancer vaccines are only used to treat a particular type of cancer while universal vaccine can be used to treat different types of cancer.

Protein/peptide-based vaccines Tumor-associated antigens Vaccines of this kind use specific tumor antigens, which are usually proteins or peptides, to stimulate immune system against either tumor specific antigens (TSAs) or tumor associated antigens (TAAs). This vaccine helps stimulate the patient's immune system to increase production of antibodies or killer T cells.

Dendritic cell vaccines Dendritic cells (DCs) are considered the most potent APC (antigen presenting cell) of the immune system. DC cells have a unique ability to stimulate naïve T cells and can be used to induce of antigen-specific immune response. Several DC-based cancer vaccines have been developed including DC loaded with, tumor peptides or whole proteins, with tumor-derived mRNA or DNA., DC transduced with viral vectors such as retroviruses, lentiviruses adenoviruses, fowl pox and alphaviruses containing the tumor antigen or gene of interest, whole necrotic or apoptotic tumor cells, tumor cell lysates and DC-fused with tumor cells.

Whole tumor cell vaccines An advantage to using tumor cell vaccines is that this type of vaccine is polyepitope, which means it can present an entire spectrum of TAAs to a patient’s immune system.

Autologous tumor cell vaccines These vaccines are made from antigens taken from the patient’s own cancer cells. Autologous vaccines have been used to treat lung cancer, colorectal cancer, melanoma, renal cell cancer, and prostate cancer.

Allogenic tumor cell vaccines These vaccines are made from antigens taken from individuals other than the patient, usually from cancer cell lines.

References

External links Vaccine therapy entry in the public domain NCI Dictionary of Cancer Terms This article incorporates public domain material from Dictionary of Cancer Terms. U.S. National Cancer Institute.

Worked examples

Example 1 — a first encounter with Vaccine therapy

Start with the simplest possible case. Write down what Vaccine therapy claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Vaccine therapy 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 Vaccine therapy 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 Vaccine therapy

In research: Vaccine therapy appears in science 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 Vaccine therapy 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: Vaccine therapy is common in secondary-school and first-year university syllabi. It links to neighbouring topics Vaccination, so understanding it makes those chapters shorter.
In everyday life: Look for Vaccine therapy 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 Vaccine therapy in 20 minutes

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

Frequently asked questions

What is Vaccine therapy in simple terms?

Vaccine therapy is a type of treatment that uses a substance or group of substances to stimulate the immune system to destroy a tumor or infectious microorganisms such as bacteria or viruses. Cancer vaccines Cancer is a group of fatal diseases that involves abnormal cell growth that can invade or s…

Why does Vaccine therapy matter?

Because it connects several science 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 Vaccine therapy?

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 Vaccine therapy.