The following classes of drugs may affect the metabolism of L-Alanyl-L-cystine:
1.Antibiotics
Tetracyclines: Drugs such as tetracycline and doxycycline may compete with L-Alanyl-L-cystine for transporters, affecting its absorption in the gastrointestinal tract. This can interfere with its normal metabolic process after entering the body, reducing its bioavailability and efficiency.
Cephalosporins: Some cephalosporins, such as ceftriaxone, may alter the composition and function of the gut microbiota. The gut microbiota has an impact on the metabolism of L-Alanyl-L-cystine, and an imbalance in the microbiota may lead to changes in its metabolic pathways, affecting its breakdown, absorption, and other processes in the body.
2.Immunosuppressants
Cyclosporine: This drug suppresses the activity and proliferation of immune cells, affecting the body's immune function and metabolic regulation. As a result, some of the immune-regulating metabolic processes involving L-Alanyl-L-cystine may be disrupted, such as its role in lymphocyte metabolism and function regulation, which may alter its metabolic balance.
Corticosteroids: Drugs such as prednisone and dexamethasone, when used long-term, can cause protein metabolism disorders, promoting protein breakdown and inhibiting protein synthesis. L-Alanyl-L-cystine, being an amino acid-containing compound, may experience suppressed synthesis and enhanced breakdown, leading to changes in its levels and metabolism in the body.
3.Hepatic Enzyme Inducers or Inhibitors
Hepatic Enzyme Inducers: Drugs such as phenobarbital and rifampin can induce the activity of the cytochrome P450 enzyme system in the liver. This could accelerate the metabolism of L-Alanyl-L-cystine, leading to a reduction in its blood concentration and shortened duration of action, which may affect its normal metabolism and physiological functions.
Hepatic Enzyme Inhibitors: Drugs like cimetidine and ketoconazole inhibit the activity of liver enzymes. This can slow down the metabolism of L-Alanyl-L-cystine in the liver, potentially causing the drug to accumulate in the body, raising blood levels, increasing the risk of adverse reactions, and possibly altering its normal metabolic pathways and products.
4.Other Drugs
Diuretics: Drugs such as furosemide and hydrochlorothiazide may lead to electrolyte imbalances, affecting the ionic balance and osmotic pressure inside and outside cells. This disruption can interfere with normal cellular metabolic functions. Since L-Alanyl-L-cystine's metabolism depends on a stable cellular environment, electrolyte imbalances may affect the activity of related metabolic enzymes and transporters, negatively impacting its metabolism.
Antiepileptic Drugs: Drugs like valproate may affect amino acid metabolism pathways in the body. The metabolism of antiepileptic drugs may interact with the metabolism of L-Alanyl-L-cystine, disrupting its normal metabolic processes and leading to abnormal metabolism.