Protective effect of ghrelin in a rat model of celiac disease.

Ghrelin is a gut hormone shown to have protective effects throughout the gastrointestinal tract. This study aims to investigate its protective effect in celiac disease induced in rats. Twenty-four rat pups were divided into 4 groups as follows: control, disease (1.

Salivary calcium concentration as a screening tool for postmenopausal osteoporosis.

Aim: Measurements of salivary calcium level may be a useful screening tool for osteoporosis in postmenopausal women. The purpose of this study was to clarify whether this measure is valid compared with dual-energy X-ray (Bone Mineral Density) screening tools in osteoporosis.

Methods: A case-control study was carried out in 40 postmenopausal women with osteoporosis (T-score ≤ -2.