سید اسحاق هاشمی

استادیار دانشکده پزشکی، عضومرکز تحقیقات اعتیاد، دانشگاه علوم پزشکی مشهد، ایران

[ 1 ] - بررسی هیپرسگمانتاسیون نوتروفیلی درزنان جوان مبتلا به کمبود آهن

هدف: افزایش لوب نوتروفیل یا هیپرسگمانتاسیون نوتروفیلی، یک یافته هماتولوژیکی است که در کمبود کوبالامین و اسید فولیک به وجود می آید. مطالعات و گزارشات ضد و نقیضی زیادی بر وجود ارتباط بین هیپرسگمانتاسیون نوتروفیلی (NH) و فقرآهن دلالت می کنند. این مطالعه به بررسی ارتباط فقر آهن و آنمی فقرآهن با هیپرسگمانتاسیون نوتروفیلی می پردازد. در این ارتباط اثر کمبود فولات نیز مورد بررسی قرار گرفته است.  روش بر...

[ 2 ] - The Human Thioredoxin System: Modifications and Clinical Applications

The thioredoxin system, comprising thioredoxin (Trx), thioredoxin reductase (TrxR) and NADPH, is one of the major cellular antioxidant systems, implicated in a large and growing number of biological functions. Trx acts as an oxidoreductase via a highly conserved dithiol/disulfide motif located in the active site ( Trp-Cys-Gly-Pro- Cys-Lys-). Different factors are involved in the regulation of T...

[ 3 ] - Tissue Expression of Prohibition-I and Its Relationship With Prognostic Factors in Breast Cancer

Background & objective: Globally, breast cancer is the most common malignancy among females. Prohibition (PHB)-I, a homologous protein, was initially introduced as a suppressor gene for amplification process. Further, the protein has a key role in the cell cycle and is capable of inhibiting DNA transcription in many cell types. Therefore, its possible role in different...

[ 4 ] - The Serum C-reactive Protein and Prooxidant-antioxidant Balance in Patients with Esophageal Cancer Compared to Healthy Subjects

Introduction: The molecular mechanisms involved in pathogenesis of esophageal cancer have been the main concern of several studies. In this study, we aimed to investigate the changes of serum prooxidant-antioxidant balance (PAB) value as a redox index, as well as serum C-reactive protein (CRP) compared to healthy control group. Materials and Methods: In a cross-sectional study, blood samples we...

[ 5 ] - The effect of Ramadan fasting on endocrine system.

In the religion of Islam, fasting is obligatory for healthy adults during Ramadan. Millions of Muslims around the world practice fasting in this holy month which may cause different metabolic and hormonal changes due to the restrictions in regular caloric intake. This article was aimed to review some possible effects of Ramadan fasting on the endocrine system which has a great impact on physiol...

[ 6 ] - P31: The Relationship between Serum Substance P Level and the Type as well as Prognostic Factors in Patients with Stroke

Stroke is the world's largest neurological defect caused by the disruption of brain blood circulation. Apart from death, the severest damage caused by stroke, a plethora of other mental and physical disabilities can ensue the incidence of a stroke. As a result of the continued disruption of blood circulation triggered by a stroke, biochemical and physiological mechanisms affect nerve cells and ...