background: many natural products from plants have been recognized to exert anticancer activity. in this study, ethanolic extracts of selected medicinal herbs from iranian flora including alyssum homolocarpum fisch. (from seeds), urtica dioica l. (from aerial parts), cichorium intybus l. (from roots) and solanum nigrum l. (from fruits), were evaluated for their cytotoxic effect on different cel...

considering multiple reports on cytotoxic activity of the artemisia genus and its phytochemicals, in the current study a. armeniaca lam. and the three components isolated from the plant were subjected to cytotoxic studies. analytical fractionation of a. armeniaca aerial parts for the first time was directed to the isolation of 7-hydroxy-8-(4-hydroxy-3-methylbutoxy) comarin (armenin), 8-hydroxy-...

because of antimicrobial, antioxidant, and anticancer potential, salvia chorassanica bunge (lamiaceae) has been considered as a popular herb in iranian traditional medicine. previous studies have shown remarkable cytotoxic properties of the methanol, n -hexane and dichloromethane extract of s. chorassanica on human cervical cancer cells. to seek the therapeutic potentials of s. chorassanica, th...

isolation of some potent anti-tumor compounds from medicinal plants has motivated researchers to screen different parts of plant for their anti-tumor effects. it has been reported that several species of conifers posses’ cytotoxic activities on some tumor cell lines. here branchlets and berries of juniperus foetidissima and j. sabina were collected, dried and ethanol extracts of them obtained u...

patients and methods in this cross-sectional study, peripheral mononuclear cells (pbmcs) were isolated from peripheral blood of 29 patients with newly diagnosed pulmonary tb and 19 patients with positive tuberculin skin test. the pbmcs were activated with ppd for 72 hours. activated cells were harvested, rna was extracted and cdna was synthesized. a real-time taqman method was designed and opti...

background :   vaculating cytotoxic a ( vaca ) gene is one of the multiple helicobacter pylori genotypes that produce a cytotoxin protein (vaca).this gene is a major cause of chronic peptic ulcers and gastric cancer. the aim of this study was to determine the correlation between vaca gene with peptic ulcer disease (pud) and non-ulcer dyspepsia (nud).   methods :    this was a case control study...