نتایج جستجو برای: Cancer

تعداد نتایج: 908353  

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...

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...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1389

nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...

Journal: :iranian journal of public health 0
aa mehrabian f esna-ashari h zham m hadizadeh m bohlooli m khayamzadeh

background : gastric cancer is a common and lethal disease throughout the world. in iran with 7300 new cases annually, it is the first cause of cancer related death in both sexes. regarding the high incidence (10.5/100000 individuals) of gastric can­cer and priority of prevalence index in cancer management, in this study we tried to determine 1, 2-3 and 4-5 year point preva­lence of the disease...

Journal: :iranian journal of medical physics 0
zohreh dehghani-bidgoli department of electrical and computer engineering, kashan branch, islamic azad university, kashan, iran mohammad hosein miran baygi department of electrical and computer engineering, tarbiat modares university, tehran, iran ehsanollah kabir department of electrical and computer engineering, tarbiat modares university, tehran, iran rasoul malekfar department of basic sciences, tarbiat modares university, tehran, iran

introduction raman spectroscopy is a vibrational spectroscopic technique, based on inelastic scattering of monochromatic light. this technique can provide valuable information about biomolecular changes, associated with neoplastic transformation. the purpose of this study was to find raman spectral markers for distinguishing normal samples from cancerous ones in different tissues. materials and...

Journal: :international journal of hematology-oncology and stem cell research 0
kamran alimoghaddam assistant professor, hematology- oncology and bmt research center, tehran university of medical sciences forough foroughi research assistant, hematology- oncology and bmt research center, tehran university of medical sciences ali shahriari ahmadi assistant professor, kermanshah university of medical sciences vahid farnia research assistant, kermanshah university of medical sciences maryam tavakkoli research assistant, hematology- oncology and bmt research center, tehran university of medical sciences ardeshir ghavamzadeh professor, hematology- oncology and bmt research center, tehran university of medical sciences

objectives: the iranian cancer network was established in may 2003. our aim was to coordinate re search and treatment programs in all cancer centers in iran in order to save time and money and enable patients, wherever they live, to receive a uniformly high-standard treatment and care. methods: after signing a mutual contract with fellow (collaborator) university and holding some shared session...

Journal: :گوارش 0
amir taefi mehdi nouraie anahita ghorbani hafez fakheri mohammadjavad zahedi shahryar semnani

background: our knowledge regarding the epidemiology of pancreatobiliary cancers in iran is limited. this study presents the first population-based report on pancreatobiliary cancers performed in five provinces of iran. materials andmethods: data used in this study were retrieved from population-based cancer registries in five provinces of iran (gilan, mazandaran, golestan, ardabil and kerman) ...

Journal: :iranian journal of public health 0
maliheh arab 1. dept. of gynecology-oncology, shahid beheshti university of medical sciences , tehran, iran. giti noghabaei 2. imam hossein medical center, shahid beheshti university of medical sciences , tehran, iran.

female cancer, especially breast and gynecologic cancers are considered multistage disease, highly influenced by risk and protective factors and/or screening preventive modalities. consequences of all these factors result in the trend of change over time.in this comparative study, based on data of national cancer registry of iran 2004 published by iranian ministry of health, age - standard inci...

Journal: :iranian journal of public health 0
mohammad amir mishan asieh heirani-tabasi neda mokhberian malihe hassanzade hamid kalalian moghaddam ahmad reza bah­rami

background: chemokine receptors have been shown to play an important role in the development and metastatic spread of various malignancies. in this study, the gene expression profile of some key chemokine receptors involved in metastasis has been investigated in esophageal and breast cancer cell lines.   methods: in a descriptive study, gene expression profile of ccr1, ccr6, ccr7, ccr9, cxcr1, ...

Journal: :international journal of epidemiology research 0
azam sabahi birjand university of medical sciences, south khorasan, i.r. iran; student, kerman university of medical sciences, kerman, i.r. iran leila ahmadian medical informatics research center, institute for futures studies in health, kerman university of medical sciences, kerman, i.r. iran fatemeh salehi student, kerman university of medical sciences, kerman, i.r. iran sayed mahmoud mirzaee health center of ferdows, birjand university of medical sciences, south khorasan, i.r. iran.

background and aims: among all cancers, colon cancer is common and deadly, yet preventable. the estimated worldwide incidence of colon cancer is more than one million new cases per year. this study was done to identify the epidemiological features and risk factors of colon cancer in different regions of birjand. methods: this retrospective, descriptive analytical study of patients with colon ca...

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