کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10902399 1084763 2014 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Differential expression of mitochondrial energy metabolism profiles across the metaplasia-dysplasia-adenocarcinoma disease sequence in Barrett's oesophagus
ترجمه فارسی عنوان
بیان متفاوتی از پروفایل متابولیسم انرژی میتوکندری در عوارض متپلازی دیسپلازی - آدنوکارسینوما در مریض بارت
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی تحقیقات سرطان
چکیده انگلیسی
Contemporary clinical management of Barrett's oesophagus has highlighted the lack of accurate predictive markers of disease progression to oesophageal cancer. This study aims to examine alterations in mitochondrial energy metabolism profiles across the entire disease progression sequence in Barrett's oesophagus. An in-vitro model was used to screen 84 genes associated with mitochondrial energy metabolism. Three energy metabolism genes (ATP12A, COX4I2, COX8C) were significantly altered across the in-vitro Barrett's disease sequence. In-vivo validations across the Barrett's sequence demonstrated differential expression of these genes. Tissue microarrays demonstrated significant alterations in both epithelial and stromal oxidative phosphorylation (ATP5B and Hsp60) and glycolytic (PKM2 and GAPDH) protein markers across the in-vivo Barrett's sequence. Levels of ATP5B in sequential follow up surveillance biopsy material segregated Barrett's non progressors and progressors to HGD and cancer. Utilising the Seahorse XF24 flux analyser, in-vitro Barrett's and adenocarcinoma cells exhibited altered levels of various oxidative parameters. We show for the first time that mitochondrial energy metabolism is differentially altered across the metaplasia-dysplasia-adenocarcinoma sequence and that oxidative phosphorylation profiles have predictive value in segregating Barrett's non progressors and progressors to adenocarcinoma.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cancer Letters - Volume 354, Issue 1, 1 November 2014, Pages 122-131
نویسندگان
, , , , , , , , , ,