background and objectives: alzheimer's disease (ad) is an age dependent disorder. ad is associated with decrease of brain acetylcholine level. nowadays, one of the methods for progression inhibition of ad is using acetylcholinesterase inhibitors. rosaceae is a large plant family. different biological effects of some species of this family have been reported. the aim of the present study was to ...

the management of postprandial hyperglycemia is an important strategy in the control of diabetes mellitus and complications associated with the disease, especially in the diabetes type 2. therefore, inhibitors of carbohydrate hydrolyzing enzymes can be useful in the treatment of diabetes and medicinal plants can offer an attractive strategy for the purpose. vaccinium arctostaphylos leaves are c...

objective: the purpose of the present study was to compare response inhibition and cognitive appraisal in clients with acute stress disorder, clients with posttraumatic stress disorder, and normal individuals . method:  this  was a comparative study. the sample consisted of 40 clients with acute stress disorder, 40 patients with posttraumatic stress disorder, and 40 normal individuals from maza...

background: pteridine metabolic pathway is unusual features of leishmania , which is necessary for the growth of parasite. leishmania has evolved a complex and versatile pteridine salvage network which has the ability of scavenging a wide area of the conjugated and unconjugated pteridines espe-cially folate and biopterin. in this study, we focus on the inhibition of ptr1 gene expression. method...

aim : in this paper effect of combinational usage of calprotectin and etoposide on ags cell line is studied. background : application of combined toxic agents such as etoposide and cicplatin are commonly used for chemotherapy purposes. as a matter of fact, calprotectin and etoposide were both applied on human gastric adenocarcinoma cell line (ags) as antitumor agents. both calprotectin and etop...

Inhibition of maltase, sucrase, isomaltase and glucoamylase activity by acarbose, epigallocatechin gallate, epicatechin gallate four polyphenol-rich tea extract from white, green, oolong, black tea, were investigated using rat intestinal enzymes human Caco-2 cells. Regarding enzyme mixture, all extracts very effective in inhibiting maltase activity, but only white inhibited sucrase the inhibiti...

the antimicrobial activity of some novel ascorbic acid-metal complexes [bisascorbate complexes of copper (ii), zinc(ii), manganese (11), iron (111), cobalt(ii), lead(ii) and cadmium(ii)] was investigated. four standard strains of bacterial species - staphylococcus aureus, escherichia coli, bacillus subtilis and klebsiella pneumonia and four fungal species - trichophyton sp. penicillium sp., asp...

heterocyclic systems are one of the most important classes of organic compounds present in nature or synthesized in laboratory. these compounds posses an array of biological activities and are employed in the treatment of commonly occurring diseases. keeping this in view, some new 2-amino-4,6-diarylpyrimidine from chalcones were synthesized. eight novel 2-amino-4,6-diarylpyrimidine derivatives ...

OBJECTIVE This research was conducted to investigate the relationship between behavioral activation-inhibition systems and bullying-victimization behaviors among adolescents. METHOD This was a correlational and cross-sectional study. Two hundred and thirty school boys were selected randomly by multistage cluster sampling method, and participated in this research. This sample responded to a de...