science

Lonidamine

Lonidamine 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 Lonidamine rather than just read about it. In short: Lonidamine is a derivative of indazole-3-carboxylic acid, which for a long time, has been known to inhibit aerobic glycolysis in cancer cells. It seems to enhance aerobic glycolysis in normal cells, but suppress glycolysis in cancer cells.

Key takeaways

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

Reference excerpt

Lonidamine is a derivative of indazole-3-carboxylic acid, which for a long time, has been known to inhibit aerobic glycolysis in cancer cells. It seems to enhance aerobic glycolysis in normal cells, but suppress glycolysis in cancer cells. This is most likely through the inhibition of the mitochondrially bound hexokinase. Later studies in Ehrlich ascites tumor cells showed that lonidamine inhibits both respiration and glycolysis leading to a decrease in cellular ATP. Clinical trials of lonidamine in combination with other anticancer agents for a variety of cancers has begun. This is due to its proven ability to inhibit energy metabolism in cancer cells, and to enhance the activity of anticancer agents. Lonidamine has been used in the treatment of brain tumours in combination with radiotherapy and temozolomide. An in-vitro study showed that a combination of temozolomide and lonidamine at clinically achievable, low plasma concentrations, could inhibit tumour growth, and lonidamine could reduce the dose of temozolomide required for radiosensitization of brain tumours. A derivative of lonidamine, gamendazole, is in testing as a possible male contraceptive pill.

References

Illustrations

Worked examples

Example 1 — a first encounter with Lonidamine

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

In research: Lonidamine 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 Lonidamine 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: Lonidamine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antineoplastic and immunomodulating drug stubs, Antineoplastic drugs, Indazoles, so understanding it makes those chapters shorter.
In everyday life: Look for Lonidamine 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Lonidamine” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Lonidamine in 20 minutes

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

Frequently asked questions

What is Lonidamine in simple terms?

Why does Lonidamine 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 Lonidamine?

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 Lonidamine.