PMID- 25608150 OWN - NLM STAT- MEDLINE DCOM- 20150730 LR - 20220330 IS - 1536-0229 (Electronic) IS - 0363-9762 (Linking) VI - 40 IP - 3 DP - 2015 Mar TI - Analysis of the roles of glucose transporter 1 and hexokinase 2 in the metabolism of glucose by extrahepatic bile duct cancer cells. PG - e178-82 LID - 10.1097/RLU.0000000000000640 [doi] AB - PURPOSE OF THE REPORT: Extrahepatic bile duct (EHD) cancer varies in uptake of FDG. The aim of the present study was to determine the role of glucose transporter (GLUT) 1 and hexokinase (HK) 2 in the glucose metabolism of EHD cancer cells using immunohistochemistry and 18F-FDG PET/CT. METHODS: Twenty-six patients with EHD cancer who underwent baseline PET/CT and surgery were studied. Biopsies were immunohistochemically analyzed using antibodies against GLUT1 and HK2, and the expression was scored from 0 to 4 according to the percentage of stained cells. SUV and tumor-to-liver ratio (T/L ratio) were obtained from 18F-FDG PET/CT data. SUV and T/L ratio and GLUT1 and HK2 expression were compared with histological grades and tumor locations (proximal and distal EHD) to correlate glucose metabolism with the expression of GLUT1 and HK2. RESULTS: SUV, T/L ratio, and GLUT1 and HK2 expression did not differ as a function of histological grade and tumor location. GLUT1 and HK2 were expressed in 20 (76.9%) and 22 (84.6%) of 26 tumor biopsies, respectively. The GLUT1 score, SUV, and T/L ratio increased, and the GLUT1 score, but not the HK2 score, correlated significantly with SUV (rho = 0.648) and T/L ratio (rho = 0.703). There was no direct correlation between the expression of GLUT1 and that of HK2 (rho = 0.2046, P = 0.3161). CONCLUSIONS: Although GLUT1 and HK2 regulate intracellular accumulation of FDG in many cancers, only GLUT1 expression was correlated with FDG uptake by EHD cancers. FAU - Yoon, Sun Och AU - Yoon SO AD - From the Departments of *Pathology, daggerNuclear Medicine, double daggerSurgery, and section signRadiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. FAU - Jeon, Tae Joo AU - Jeon TJ FAU - Park, Joon Seong AU - Park JS FAU - Ryu, Yong Hoon AU - Ryu YH FAU - Lee, Jae-Hoon AU - Lee JH FAU - Yoo, Jung Sik AU - Yoo JS FAU - Kim, Jae Keun AU - Kim JK FAU - Yoon, Dong Sup AU - Yoon DS FAU - Oh, Eun Ji AU - Oh EJ LA - eng PT - Journal Article PL - United States TA - Clin Nucl Med JT - Clinical nuclear medicine JID - 7611109 RN - 0 (Glucose Transporter Type 1) RN - 0 (Radiopharmaceuticals) RN - 0 (SLC2A1 protein, human) RN - 0Z5B2CJX4D (Fluorodeoxyglucose F18) RN - EC 2.7.1.1 (Hexokinase) RN - IY9XDZ35W2 (Glucose) SB - IM MH - Adenocarcinoma/*diagnostic imaging/metabolism/pathology MH - Aged MH - Aged, 80 and over MH - Bile Duct Neoplasms/*diagnostic imaging/metabolism/pathology MH - Bile Ducts, Extrahepatic/diagnostic imaging/metabolism/pathology MH - Female MH - Fluorodeoxyglucose F18 MH - Glucose/*metabolism MH - Glucose Transporter Type 1/genetics/*metabolism MH - Hexokinase/genetics/*metabolism MH - Humans MH - Male MH - Middle Aged MH - Multimodal Imaging MH - Positron-Emission Tomography MH - Radiopharmaceuticals MH - Tomography, X-Ray Computed EDAT- 2015/01/22 06:00 MHDA- 2015/08/01 06:00 CRDT- 2015/01/22 06:00 PHST- 2015/01/22 06:00 [entrez] PHST- 2015/01/22 06:00 [pubmed] PHST- 2015/08/01 06:00 [medline] AID - 10.1097/RLU.0000000000000640 [doi] PST - ppublish SO - Clin Nucl Med. 2015 Mar;40(3):e178-82. doi: 10.1097/RLU.0000000000000640.