Proton pump inhibitors (PPIs) are among the most commonly prescribed drugs in clinical practice. Since the introduction of these potent acid-suppressing agents in the late 80s, they were listed in the Guinness Book of World Records as the most prescribed in human history. Yet, to be effective in inhibiting the proton pump enzyme (H+/K+ ATPase) in the parietal cells, these drugs should be taken ...

The SERCA (sarcoplasmic/endoplasmic reticulum Ca2+-ATPase) is probably the most extensively studied membrane protein transporter. There is a vast array of diverse inhibitors for the Ca2+ pump, and many have proved significant in helping to elucidate both the mechanism of transport and gaining conformational structures. Some SERCA inhibitors such as thapsigargin have been used extensively as pha...

RATIONALE Proton pump inhibitors (PPIs) are popular drugs for gastroesophageal reflux, which are now available for long-term use without medical supervision. Recent reports suggest that PPI use is associated with cardiovascular, renal, and neurological morbidity. OBJECTIVE To study the long-term effect of PPIs on endothelial dysfunction and senescence and investigate the mechanism involved in...

OBJECTIVE To report two cases of anaphylactic reactions to proton-pump inhibitors (PPIs). CASE SUMMARIES A 54-year-old woman who had taken omeprazole in the past was treated with omeprazole 40 mg and developed periorbital edema, edema of the skin, pruritus, nausea, and vomiting about 45 minutes after taking one capsule. Five months later, she was treated with lansoprazole 30-mg capsules. Agai...

The rapid spread of bacteria expressing multidrug resistance (MDR) has necessitated the discovery of new antibacterials and resistance-modifying agents. Since the initial discovery of bacterial efflux pumps in the 1980s, many have been characterized in community- and hospital-acquired Gram-positive and Gram-negative pathogens, such as Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia c...

Proton pump inhibitors (PPIs) are widely prescribed to treat a number of gastrointestinal (GI) disorders due to excessive acid production. While effective and safe, adverse renal effects have been increasingly described in epidemiological literature. The most well-documented adverse renal outcome is acute interstitial nephritis; however, association with overall acute kidney injury has also bee...

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While proton-pump inhibitors (PPIs) have beneficial therapeutic and prophylactic indications for many patients, increasing evidence suggests that these medications are not without risk; inpatient use of PPIs has been shown to increase the risk of hospital-acquired pneumonia by up to 30% [2]. Community-acquired pneumonia is also more common in patients who have started PPI therapy within the pas...

PURPOSE OF REVIEW This review summarizes adverse effects of potential proton pump inhibitors (PPIs), including nutritional deficiencies (B12 and magnesium), rebound acid hypersecretion, acute interstitial nephritis, gastric carcinoid tumor, cardiovascular risk with clopidogrel and PPI coprescription, bone fractures, enteric infections and pneumonia. An epidemiologic framework is applied to asse...