نتایج جستجو برای: tp53 mutation and expression

تعداد نتایج: 16973495  

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2007
Jay Friedman Liesl Nottingham Praveen Duggal Francisco G Pernas Bin Yan Xin Ping Yang Zhong Chen Carter Van Waes

PURPOSE To determine the nature and potential pharmacologic reversibility of deficient TP53 expression and function in head and neck squamous cell carcinomas (HNSCC) with wild-type TP53, previously associated with decreased sensitivity to cisplatin therapy. EXPERIMENTAL DESIGN TP53 genotype, mRNA and protein expression, TP53-induced p21 expression, and TP53 DNA-binding and reporter gene funct...

2016
Mohammad Reza R. Bazrafshani Pouriaali A. Nowshadi Sadegh Shirian Yahya Daneshbod Fatemeh Nabipour Maral Mokhtari Fatemehsadat Hosseini Somayeh Dehghan Abolfazl Saeedzadeh Ziba Mosayebi

Bladder cancer is a molecular disease driven by the accumulation of genetic, epigenetic, and environmental factors. The aim of this study was to detect the deletions/duplication mutations in TP53 gene exons using multiplex ligation-dependent probe amplification (MLPA) method in the patients with transitional cell carcinoma (TCC). The achieved formalin-fixed paraffin-embedded tissues from 60 pat...

2004
C A Longui S H V Lemos-Marini B Figueiredo S E Taymans C A Stratakis

The R337H TP53 mutation is a low-penetrance molecular defect that predisposes to adrenocortical tumour (ACT) formation in Brazilian and possibly other populations. Additional genetic defects may be responsible for the variable expression of ACTs in these cases. The inhibin asubunit gene (INHA) on 2q33-qter has been implicated in mouse adrenocortical tumourigenesis. We studied 46 pediatric patie...

Journal: :Blood 1995
H Kaneko S Misawa S Horiike H Nakai K Kashima

We examined TP53 mutation in 57 patients with myelodysplastic syndrome (MDS) at either the MDS phase or at the terminal leukemic phase using polymerase chain reaction-mediated single-strand conformation polymorphism (PCR-SSCP) analysis. TP53 mutations within exons 5 through 8 were found in seven patients. All these mutations were detected at the presentation of MDS whether these patients showed...

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
rahim golmohamadi department of anatomical medicine, sabzevar university of medical sciences mehdi nikbakht department of anatomical medicine, isfahan university of medical sciences

introduction: colorectal cancer (crc) is one of the most prevalent cancers in the world. genetic disorders and dietary habits play a part in crc. the most important cancer suppressor gene is p53. different mutations rates in 7th exon of p53 gene are reported in different areas  which may have a relationship with prognosis of crc. this study examines the relationship between mutation in 7th exon...

2012
Ruth L. Vinall Jane Q. Chen Neil E. Hubbard Shola S. Sulaimon Michael M. Shen Ralph W. DeVere White Alexander D. Borowsky

914 INTRODUCTION Prostate cancer (CaP) is the leading cancer diagnosis in men in the United States, with new cases for 2012 estimated at 241,740 and over 28,000 estimated annual deaths from the disease (http://www.cancer.gov/cancertopics/types/prostate). Clinical cures are achieved in approximately 80% of patients presenting with localized disease; however, once metastasis occurs, response to s...

Journal: :Pakistan Journal of Medical and Health Sciences 2023

Objective: The purpose was to quantify the prevalence of Tp53 gene mutation in chronic lymphocytic leukemia patients.. Study Design: Cross-sectional/ Descriptive study Place and Duration: This conducted multiple centres including Mayo Hospital Lahore Liaquat University Medical Health Sciences duration from August, 2022 January, 2023. Methods: Total 112 cases leukaemia were included this study. ...

2016
Eriko Tokunaga Nami Yamashita Kimihiro Tanaka Yuka Inoue Sayuri Akiyoshi Hiroshi Saeki Eiji Oki Hiroyuki Kitao Yoshihiko Maehara

Recent studies have identified the apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like 3B (APOBEC3B) as a source of mutations in various malignancies. APOBEC3B is overexpressed in several human cancer types, including breast cancer. In this study, we analyzed APOBEC3B mRNA expression in 305 primary breast cancers of Japanese women using quantitative reverse transcription-PCR, and in...

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