HMG-CoA reductase

7.8

A liver enzyme that helps the body make cholesterol

noun
/ˌeɪtʃɛmˌdʒiːˈkoʊˈeɪ rɪˈdʌkˌteɪs/

Specialized

: reductasa HMG-CoA

The HMG-CoA reductase enzyme is crucial for cholesterol synthesis.

Examples

Some genetic disorders can lead to an overproduction of HMG-CoA reductase, raising cholesterol levels.
HMG-CoA reductase is an important enzyme in the liver that helps control cholesterol production.
Researchers studied the effect of diet on HMG-CoA reductase activity in mice.
Statins work by inhibiting HMG-CoA reductase, thereby lowering cholesterol levels in the body.
Researchers are studying HMG-CoA reductase to understand its role in heart disease.
Understanding how HMG-CoA reductase functions can help in developing treatments for high cholesterol.
Researchers study HMG-CoA reductase to find ways to lower cholesterol levels and reduce heart disease risk.

Synonyms

5-hydroxy-3-methylglutaryl-coenzyme A reductase

vsHMG-CoA reductase

Specialized

9.9

An enzyme in the liver that helps make cholesterol

is the short abbreviated form used in technical contexts

Surface Forms

HMG-CoA reductase singular

HMG-CoA reductases plural

Morphology

HMG-CoA + reductase

The compound follows a regular compositional pattern: 'reductase' clearly marks an enzyme that reduces its substrate, so from the parts one can infer it is an enzyme acting on HMG‑CoA. However, HMG‑CoA is a technical biochemical abbreviation unfamiliar to a B1 learner and the specific role in cholesterol synthesis cannot be fully derived without domain knowledge, so the meaning is only partially transparent.

Etymology

HMG-CoA reductase shows what the protein works on: HMG-CoA is the molecule it changes, and reductase is the scientist word for an 'enzyme' that makes a small chemical change. In the liver this change helps make 'cholesterol', so the name helps you remember it is the enzyme involved in cholesterol production.