Abstract: Titanium dioxide nanoparticles (TiO2 NPs) are manufactured worldwide in large quantities for use in a wide range of applications including pigment, plastics, papers, inks, food colorants, toothpastes and cosmetic manufacturing. Milk thistle is a herbal supplement used to treat liver and biliary disorders. Silymarin, an active ingredient of Milk thistle, is a strong antioxidant that promotes liver cell regeneration ... Read more

Abstract: Background: Saliva composition shows hormone related changes suggesting that hormones may have a role in the control of salivary gland functions. Aim of the work: The aim of this work is to throw light on the effect of female sex hormones on the submandibular salivary gland. Material and methods: A total number of 50 adult female Albino rats were ... Read more

ABSTRACT BACKGROUND: Many studies have focused on leptin, the product of the LEP (ob) gene, searching for a possible link between energy balance and reproduction. OBJECTIVE: Investigating the effect of daily leptin injection on prepubertal female rats and the possible mechanisms by which leptin can affect reproductive axis. MATERIALS AND METHOD: This study was applied on eighty female albino rats ... Read more

ABSTRACT: Pulmonary arterial hypertension (PH) is a deadly disease characterized by pulmonary arterial vasoconstriction and hypertension, pulmonary vasculature remodeling, and right ventricular hypertrophy. Our previous in vivo studies, performed in several models of cardiac, vascular, and/or renal injury, suggest that the metabolites of 17beta-estradiol may inhibit vascular and cardiac remodeling. The goal of this study was to determine whether 2-methoxyestradiol ... Read more