Method to increase the bioavailability of cysteine

This invention describes a way to boost the amount of usable cysteine in an animal's body. It uses a special cycling molecule that can move in and out of cells, converting a less usable form of cysteine (cystine) found outside cells into the more beneficial cysteine. The patent specifically claims this method for treating conditions linked to cysteine depletion, such as hyperpigmentation from arsenic poisoning, high glycated hemoglobin in diabetes, and glycated LDL in heart disease.

Why it matters: Advances in computational chemistry and drug screening since 2007 could accelerate identifying suitable membrane-permeable thiol molecules. However, the significant hurdle of clinical validation for these specific conditions persists.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedChemical synthesis, formulation, regulatory approval.

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