نتایج جستجو برای: cancer risks

تعداد نتایج: 1015998  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1391

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

Introduction: Gail model is one of the most important models for the evaluation of breast cancer risk between US white females. According to genetic diversity, there is a possibility of affecting the efficiency of the Gail model in risk assessment of breast cancer among Iranian populations. In this study, the Gail model efficiency in specifying the risk of breast cancer in Iranian population wa...

Introduction: Gail model is one of the most important models for the evaluation of breast cancer risk between US white females. According to genetic diversity, there is a possibility of affecting the efficiency of the Gail model in risk assessment of breast cancer among Iranian populations. In this study, the Gail model efficiency in specifying the risk of breast cancer in Iranian population wa...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده زیست شناسی 1391

بررسی تآثیر کورکومین بر بیان آکواپورین5 در سلول های سرطانی روده بزرگ انسان(ht-29) سرطان روده بزرگ جزو بیماری های خطرناک بوده و از نظر شیوع سومین سرطان شایع و دومین علت مرگ ومیر ناشی از سرطان در جهان محسوب می شود. خطرابتلا به این سرطان تحت تاثیر دو عامل محیطی وفاکتورهای ژنتیکی می باشد. آکواپورین ها، پروتئین های کانال آبی بوده که نقش مهمی را در انتقال آب در بافتهای اندوتلیالی و اپی تلیالی بر عهد...

Journal: :Radiation and environmental biophysics 2000
M Tubiana

The majority of the public in industrial countries believes that pollution and low doses of radiation are threats to good health. As a matter of fact, when these putative risks are compared to those originating from lifestyle, they appear very small. In particular, the risks associated with low doses of irradiation, even when they are assessed with the most pessimistic models, appear extremely ...

Journal: :international journal of reproductive biomedicine 0
ali chaparian mahdi aghabagheri

background: pregnant women are sometimes exposed to ionizing radiation in radiology examinations for various reasons. in such cases, the radiation dose to the conceptus and subsequent risks should be estimated. objective: the purpose of this study was the calculation and presentation of fetal dose and subsequent risks resulted from different x-ray examinations. materials and methods: an analyti...

Journal: :iranian biomedical journal 0
behrooz karimi department of environmental health engineering, school of public health, tehran university of medical sciences, enghelab st., tehran, iran masud yunesian department of environmental health engineering, school of public health, tehran university of medical sciences, enghelab st., tehran, iran ramin nabizadeh department of environmental health engineering, school of public health, tehran university of medical sciences, enghelab st., tehran, iran parvin mehdipour department of medical genetics, school of medicine, tehran university of medical sciences, enghelab st., tehran, iran afsaneh aghaie high institute for research and education in transfusion medicine, tehran, iran

background: epidemiological studies have probed the correlation between telomere length and the risk of lung cancer, but their findings are inconsistent in this regard.  the present meta-analysis study has been carried out to demonstrate the association between relative telomere length in peripheral blood leukocytes and the risk of lung cancer using an established q-pcr technique. methods: a sy...

ژورنال: دانشور پزشکی 2016
باغستانی, احمدرضا, خادم معبودی, علی اکبر, معمر, ثریا, پورحسینقلی, محمدامین,

Background and Objective: Colorectal cancer is the most common cancer of digestive system in Iran. The incidence of this cancer has increased in recent years.The aim of this study was to evaluate the survival rate and to define the prognostic factors in Iranian colorectal cancer patients using competing risk model. Materials and Methods: Data were recorded from 1060 patients with colorec...

Journal: :British Journal of Cancer 1991

Journal: :Nepal Journal of Neuroscience 2005

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