PMID- 34370593 OWN - NLM STAT- MEDLINE DCOM- 20210921 LR - 20240226 IS - 1522-1555 (Electronic) IS - 0193-1849 (Linking) VI - 321 IP - 3 DP - 2021 Sep 1 TI - Central GLP-1 contributes to improved cognitive function and brain glucose uptake after duodenum-jejunum bypass on obese and diabetic rats. PG - E392-E409 LID - 10.1152/ajpendo.00126.2021 [doi] AB - The improvement of cognitive function following bariatric surgery has been highlighted, yet its underlying mechanisms remain elusive. Finding the improved brain glucose uptake of patients after Roux-en-Y gastric bypass (RYGB), duodenum-jejunum bypass (DJB), and sham surgery (Sham) were performed on obese and diabetic Wistar rats, and intracerebroventricular (ICV) injection of glucagon-like peptide-1 (GLP-1) analog liraglutide (Lira), antagonist exendin-(9-39) (Exe-9), and the viral-mediated GLP-1 receptor (Glp-1r) knockdown (KD) were applied on both groups to elucidate the role of GLP-1 in mediating cognitive function and brain glucose uptake assessed with the Morris water maze (MWM) and positron emission tomography (PET). Insulin and GLP-1 in serum and cerebral spinal fluid (CSF) were measured, and the expression of glucose uptake-related proteins including glucose transporter 1 (GLUT-1), GLUT-4, phospho-Akt substrate of 160kDa (pAS160), AS160, Rab10, Myosin-Va as well as the c-fos marker in the brain were examined. Along with augmented glucose homeostasis following DJB, central GLP-1 was correlated with the improved cognitive function and ameliorated brain glucose uptake, which was further confirmed by the enhancive role of Lira on both groups whereas the Exe-9 and Glp-1r KD were opposite. Known to activate insulin-signaling pathways, central GLP-1 contributes to improved cognitive function and brain glucose uptake after DJB.NEW & NOTEWORTHY The improvement of cognitive function following bariatric surgery has been highlighted while its mechanisms remain elusive. The brain glucose uptake of patients was improved after RYGB, and the DJB and sham surgery performed on obese and diabetic Wistar rats revealed that the elevated central GLP-1 contributes to the dramatic improvement of cognitive function, brain glucose uptake, transport, glucose sensing, and neuronal activation. FAU - Ruze, Rexiati AU - Ruze R AUID- ORCID: 0000-0002-0891-5307 AD - Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China. FAU - Xu, Qian AU - Xu Q AD - Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, People's Republic of China. FAU - Liu, Guoqin AU - Liu G AD - Department of General Surgery, Jinan Central Hospital, Shandong University, Jinan, People's Republic of China. FAU - Li, Yuekai AU - Li Y AD - Department of Nuclear Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China. FAU - Chen, Weijie AU - Chen W AD - Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China. FAU - Cheng, Zhiqiang AU - Cheng Z AD - Department of Colorectal Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China. FAU - Xiong, Yacheng AU - Xiong Y AD - Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, People's Republic of China. FAU - Liu, Shaozhuang AU - Liu S AD - Department of Bariatric and Metabolic Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China. FAU - Zhang, Guangyong AU - Zhang G AD - Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan, People's Republic of China. FAU - Hu, Sanyuan AU - Hu S AUID- ORCID: 0000-0002-0546-9778 AD - Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan, People's Republic of China. FAU - Yan, Zhibo AU - Yan Z AUID- ORCID: 0000-0003-3065-0621 AD - Department of Colorectal Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China. AD - Key Laboratory Experimental Teratology of the Ministry of Education and Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China. LA - eng SI - figshare/10.6084/m9.figshare.14909709.v2 PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20210809 PL - United States TA - Am J Physiol Endocrinol Metab JT - American journal of physiology. Endocrinology and metabolism JID - 100901226 RN - 89750-14-1 (Glucagon-Like Peptide 1) RN - IY9XDZ35W2 (Glucose) SB - IM MH - Animals MH - Brain/metabolism MH - *Cognition MH - Diabetes Mellitus, Experimental/*metabolism MH - Duodenum/surgery MH - *Gastric Bypass MH - Glucagon-Like Peptide 1/*metabolism MH - Glucose MH - Jejunum/surgery MH - Obesity/*metabolism/surgery MH - Rats, Wistar MH - Rats OTO - NOTNLM OT - brain glucose uptake OT - cerebral spinal fluid OT - duodenum-jejunum bypass OT - glucagon-like peptide-1 OT - glucose transporter-1 EDAT- 2021/08/10 06:00 MHDA- 2021/09/22 06:00 CRDT- 2021/08/09 17:15 PHST- 2021/08/10 06:00 [pubmed] PHST- 2021/09/22 06:00 [medline] PHST- 2021/08/09 17:15 [entrez] AID - 10.1152/ajpendo.00126.2021 [doi] PST - ppublish SO - Am J Physiol Endocrinol Metab. 2021 Sep 1;321(3):E392-E409. doi: 10.1152/ajpendo.00126.2021. Epub 2021 Aug 9.