نتایج جستجو برای: p53

تعداد نتایج: 42422  

Journal: :iranian journal of public health 0
raida s yahya children hospital, faculty of medicine, mansoura university, mansoura, egypt manal i fouda dept. of clinical pathology, faculty of medicine, mansoura university, mansoura, egypt hatim a el-baz dept. of biochemistry, national research center, cairo, egypt tamer e mosa dept. of biochemistry, national research center, cairo, egypt mohamed d abd elmaksoud dept. of biochemistry, national research center, cairo, egypt

background: the aim of this study was to detect the prognostic significance of survivin level and the expression of total p53 in acute lymphoblastic leukemia (all) and its correlation to patients' outcome. methods: sixty two children newly diagnosed with acute lymphoblastic leukemia were treated with chemotherapy and followed up for 2 years or until death. twenty apparently healthy volunteers w...

Journal: :iranian journal of pathology 2012
ban qasim husam ali alaa hussein

background & objective: the current approaches to reduce the risk of colorectal carcinoma are through the detection and removal of the precursor lesion” adenomatous polyps”. the study was conducted to evaluate the immunohistochemical expression of p53 and bcl2 in colorectal adenomas and carcinomas. patients and methods: a total of 86 cases, 33 colorectal adenomas, 33 colorectal adenocarcin...

Journal: :gastroenterology and hepatology from bed to bench 0
rouhallah najjar sadeghi pedram azimzadeh mohsen vahedi mahsa molaei seyed reza mohebbi homayon zojaji

aim : the purpose of this study was to assess the incidence of 16bp insertion of intron 3 p53 in gastritis lesion and its correlation with clinicopathological aspects. background : p53 alterations have been implicated in the development of gastric malignancies. patients and methods : 97 gastritis and normal adjacent tissues were investigated for p53 gene analysis using pcr-sequencing of intron3...

ژورنال: :مجله دانشکده دندانپزشکی اصفهان 0
فاطمه مشهدی عباس محمد مشرف سید علیرضا ناجی محمد جواد خرازی فرد ندا کارگهی fatemeh mashhadi abbas

مقدمه: کارسینوم سلول سنگفرشی حدود 94 درصد بدخیمی های حفره دهان را تشکیل می دهد. پروتئین p53 یکی از نشانگرهای تغییرات بدخیمی محسوب شده است و p63 می تواند نقش مهمی بر پیشرفت دیسپلازی اپی تلیال بازی کند. ویروس پاپیلومای انسانی نیز با مراحل اولیه پیشرفت سرطان در حفره دهان ارتباط دارد. هدف از این پژوهش، بررسی بروز نشانگر های p53، p63 و ارتباط آن ها با حضور ویروس پاپیلومای انسانی در ضایعات دیسپلاستیک...

Journal: :گوارش 0
rahim golmohammadi mehdi nikbakhat mansour salehi

background: colorectal cancer (crc) is a common and lethal malignancy worldwide. the incident rate of crc is different in various geographica regions. crc is a multifactorial disease; the factors involved included dietary and genetic factors. p53 gene is the most important tumor suppressor gene which involved in many cancers. the mutation rate in exons 7 and 8 of p53 gene in crc was reported to...

Journal: :middle east journal of cancer 0
samia abd el-moneim ebied department of applied medical chemistry, medical research institute, alexandria university, alexandria, egypt nadia ahmed abd el-moneim department of cancer management and research, medical research institute, alexandria university, alexandria, egypt taha l. hewala department of radiation science, medical research institute, alexandria university, alexandria, egypt medhat m. anwar department of experimental and clinical surgery, medical research institute, alexandria university, alexandria, egypt seham m. rabi department of applied medical chemistry, medical research institute, alexandria university, alexandria, egypt

background : biomarkers accepted for clinical use in breast cancer have low sensitivity and specificity. thus, there is a need for new markers to assist in the diagnosis, prognosis and follow-up of breast cancer patients. this study aims to investigate the diagnostic, prognostic and follow-up role of serum bcl-2, bax and p53 proteins in breast cancer patients in comparison with those of serum c...

آهنگری, محمدحسن, شفیق, انسیه, بیژنی،, علی , سیفی, صفورا , محجوب،, سلیمان ,

سابقه و هدف: پروتئین Ki67 نشانگر پرولیفراسیون در سلولهای در حال تکثیر و P53 یک مهار کننده سرطانی می باشد. ضمنا دلائل عود بالای کراتوسیست، ناشناخته باقی مانده است. مطالعه حاضر با هدف بررسی واکنش ایمنی شاخص تکثیر سلولی Ki67 و نیز P53 در لایه های مختلف و کل پوشش اپی تلیوم ادنتوژنیک کراتوسیست انجام شده است. مواد و روشها: مطالعه به صورت توصیفی بر روی 20 بلوک پارافینه ادنتوژنیک کراتوسیست انجام گرفت....

Journal: :Biomedicines 2023

Background: A major worry of juvenile penile LS is potential malignant degeneration to spinocellular carcinoma (SCC) in adulthood. characterized by increased CD8+ and CD57+ cells, dermal sclerosis, epidermal atrophy, hyperkeratosis. p53 Ki67 are reliable premalignant markers. Our aim was define the immunohistochemical profile foreskin children, focusing on tissue immune response cell proliferat...

Journal: :Annals of Oncology 2022

Glioblastoma (GBM) is one of the deadliest cranial tumors occurring in adults. Various biomarkers have been tested for their significance diagnosis, prognosis, and treatment GBM. Some well-studied markers GBM are Isocitrate dehydrogenase1 (IDH1), Murine double minute2 (MDM2), Epidermal Growth Factor Receptor (EGFR) p53. The aim this study was to investigate protein expression these patients Pak...

Journal: :International journal of clinical and diagnostic pathology 2023

Background: Breast carcinoma is the most common malignancy in women world. This study evaluated expression of ER, PR and p53 breast its correlation with age, size, lymph node status other parameters. Methods: 103 histologically proven cases were subjected to IHC for ER,PR p53. Result: Total cancer 103. All between 21-60 years tumour size varying from 0.5->5cm. Maximum grade III. Metastatic carc...

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