Background: The aim of this study was to evaluate protective effects of melatonin on uterus and fallopian tube in female mice under treatment with nicotine. Materials and Methods: Adult Female mice were divided into four groups. Group A: control animals received normal saline, group B: were injected with nicotine 40 μg/kg. Group C:were injected with melatonin, 10 μg/ night. Group D:were injecte...

A lattice QCD calculation of the proton matrix element of the flavor singlet axial-vector current is reported. Both the connected and disconnected contributions are calculated, for the latter employing the variant method of wall source without gauge fixing. From simulations in quenched QCD with the Wilson quark action on a 163 × 20 lattice at β = 5.7 (the lattice spacing a ≈ 0.14fm), we find ∆Σ...

objective: breast cancer is the most common cancer in iranian women. breast tumors are classified based on the estrogen receptor alpha (erα) expression status into er negative and er positive tumors. er negative tumors tend to have worse prognosis and less likely to respond to endocrine therapy. aberrant methylation of gene promoter is one of the mechanisms for gene silencing in breast tumors. ...