The effects of two steroidal (4-hydroxyandrostenedione and atamestane) and three non-steroidal (fadrozole, vorozole, and pentrozole) aromatase inhibitors on the levels of aromatase mRNA and protein were examined in vitro and in vivo. Immunocytochemistry revealed increased quantities of immunoreactive aromatase in human choriocarcinoma-derived JEG-3 cells in response to pretreatment with the non...

In the course of investigations, aiming at the development of enzyme inhibitors to be used as “enzyme reagents” in complex biochemical systems (l-6), special attention was paid to analogues of physiological enzyme substrates which occupy key positions in branching points of metabolic pathways. The present work deals with the chemical and enzyme-inhibitory properties of a hitherto unknown analog...

objective(s): tyrosinase is a key enzyme in pigment synthesis. overproduction of melanin in parts of the skin results in hyperpigmentation diseases. this enzyme is also responsible for the enzymatic browning in fruits and vegetables. thus, its inhibitors are of great importance in the medical, cosmetic and agricultural fields. materials and methods: a series of twelve kojic acid derivatives wer...

One of the most important targets in Alzheimer disease is Beta site amyloid precursor protein cleaving enzyme-1 (BACE-1). It is a membrane associated protein and is one of the main enzymes responsible for amyloid β (Aβ) production. Up to now, a considerable number of peptidic and non-peptidic inhibitors of BACE-1 have been developed. Recently, small molecule BACE-1 inhibitors have attracted the...

One of the most important targets in Alzheimer disease is Beta site amyloid precursor protein cleaving enzyme-1 (BACE-1). It is a membrane associated protein and is one of the main enzymes responsible for amyloid β (Aβ) production. Up to now, a considerable number of peptidic and non-peptidic inhibitors of BACE-1 have been developed. Recently, small molecule BACE-1 inhibitors have attracted the...

background and aims: diabetic nephropathy (dn) is the most common cause of end-stage renal failure which could increase the risk of cardiovascular disease and morbidity and mortality in patients. the aim of this study was to investigate new modalities for treatment of diabetic nephropathy. methods:this study was a mini-review research to investigate drugs that are used for dn treatment. results...

Introduction: In patients with uncomplicated primary hypertension (HTN), angiotensin converting enzyme inhibitors (ACEIs) are considered as monotherapy. In some studies, cough was not related to age, sex, underlying disease, or drug dosage. However, in previous studies, the incidence of cough was greater in females than males. The aim of this study is to determine the incidence of captopril-ind...