نتایج جستجو برای: estrogen receptor depen dent cancer

تعداد نتایج: 1449965  

2014
Felicity EB May

THE INCIDENCE OF BREAST CANCER CONTINUES TO RISE 1.7 million women were diagnosed with and 521,000 women died from breast cancer in 2012. This review considers first current treatment options: surgery; radiotherapy; and systemic endocrine, anti-biological, and cytotoxic therapies. Clinical management includes prevention, early detection by screening, treatment with curative intent, management o...

Journal: :Cancer research 1994
Y L Ottaviano J P Issa F F Parl H S Smith S B Baylin N E Davidson

Breast cancer is the most common malignancy in women and hormone resistance is a challenging problem in its treatment. Loss of estrogen receptor expression is an important means of hormone resistance, but the mechanisms involved are poorly understood. We now demonstrate a potential role for abnormal DNA methylation in transcriptional inactivation of the estrogen receptor gene. Estrogen receptor...

Background: Breast cancer is one of the most common women’s cancers, and the number of cases is increasing worldwide. Objective: The current study compared invasive lobular carcinoma (ILC) and invasive ductal carcinoma with regard to the prevalence of estrogen receptor (ER), progesterone receptor (PR), and age prevalence. Methods: T...

Journal: :American journal of epidemiology 2009
Jasmine Q Lew Neal D Freedman Michael F Leitzmann Louise A Brinton Robert N Hoover Albert R Hollenbeck Arthur Schatzkin Yikyung Park

Little is known about the association between alcohol and breast cancer by different tumor characteristics. The study consisted of 184,418 postmenopausal women aged 50-71 years in the National Institutes of Health-AARP Diet and Health Study (1995-2003). Alcohol use, diet, and potential risk factors for cancer were assessed with a mailed questionnaire at baseline. The relative risks and 95% conf...

The mammalian testis is a complex organ that serves two important functions, synthesis of steroids, with significant amount of estrogenic hormones produced and production of spermatozoa. Estrogen receptors (ERs) are expressed in cells of the testis as well as the epididymal epithelium. We have demonstrated that estrogen receptor expression is higher in reproductive tissues as compared to non-re...

2017
Chunyang Lu Hao Sun Jinyu Huang Songcheng Yin Wenbin Hou Junyan Zhang Yanshi Wang Yingying Xu Huimian Xu

Sleep patterns have been associated with the development of cancers, although the association between sleep duration and breast cancer remains controversial. The purpose of our study was to explore the relationship between sleep duration and breast cancer risk. The PubMed and Web of Science databases were searched, and restricted cubic splines were used to explore the dose-response relationship...

Mona Salimi,

Triple negative breast cancer (TNBC): challenges and solutions via the immune cells TNBC is one of the most complicated types of breast cancer to treat. It is generally diagnosed based on the absence of three receptors: estrogen, progesterone, and human epidermal growth factor receptor 2 (HER2) and is thus defined as a triple negative. TNBC is often more aggressive with lower survival rates...

Journal: :iranian journal of blood and cancer 0
mehrdad zeinalian department of genetics and molecular biology, school of medicine, isfahan university of medical sciences, isfahan, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)سازمان های دیگر: ala cancer prevention and control center, isfahan, iran nafiseh heidarzadeh ala cancer prevention and control center, isfahan, iran homayoun naji ala cancer prevention and control center, isfahan, iran, and department of anesthesia, nursing school, isfahan university of medical sciences, isfahan, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences) mohammad reza sharbafchi department of psychiatry, school of medicine, isfahan university of medical sciences; isfahan, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)

background: breast cancer is one of the most common malignancies among iranian women; however, its clinicopathological feature is uncertain. we pioneered a genetic counseling program among patients with breast cancer and their families in isfahan. this is the first report of this program. methods: this was a descriptive cross-sectional study on women with breast cancer registered in ala cancer ...

ژورنال: بیماری های پستان 2022
, , Forouzesh, Flora , Javidi, Mohammad Amin, Majid Ansari, Alireza, Mehdizadeh, Romina , Sanati, Hassan , Shayeghan, Mohadeseh ,

Introduction: Breast cancer is the most common cancer and the first cause of cancer-related death in women worldwide. Although admirable achievements have been made in finding new therapeutic interventions, introducing efficient approaches with the least side effect is still undoubtedly demanded. Exposure to extremely-low frequency electromagnetic field (ELF-EMF) with specific parameters of fre...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده کشاورزی 1392

هدف از این پژوهش بررسی میزان متیلاسیون شماری از ژنهای مهم مرغ بود. بدین منظور 32 ژن از genbank انتخاب شد. پروموتورهای این ژنها با نرم افزار promoter prediction پیدا شدند. جزایر احتمالی موجود در هر توالی با نرم افزار cpg island searcher مشخص شدند. احتمال متیله شدن هر رشته dna یک ژن، با نرم افزار methylator و آنالیز متیلاسیون با نرم افزار epigraph انجام شد. در نهایت با استفاده از مدل مارکف پنهان،...

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