Disaccharidase activities in pregnant and lactating rats |
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| Institution: | 1. School of Materials Science and Engineering and Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300072, China;2. Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China;3. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;4. Key Laboratory of Advanced Ceramics and Machining Technology, Ministry of Education, Tianjin University, Tianjin 300072, China;1. Mechanical Engineering Department, Northwestern University, Evanston, IL 60208, USA;2. Nanoscale Sciences, Sandia National Laboratories, Albuquerque, NM 87123, USA;3. Engineering Sciences Center, Sandia National Laboratories, Albuquerque, NM 87123, USA;4. Materials Science Division, Lawrence Berkeley National Lab, Berkeley, CA 94720, USA;1. School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology and Synergy Innovation Institute of GDUT, Guangzhou 510006, PR China;2. Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing 312000, PR China;1. Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, 65 Landsdowne Street, Cambridge, MA 02139, USA;2. State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China;3. Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory of Flexible & Printing Optoelectronic Materials, Suzhou University of Science and Technology, Suzhou 215009, PR China;4. Cardiology Department, Affiliated Hospital of Qingdao University, Qingdao 266000, PR China;5. Department of Mechanotronics, Monterrey Institute of Technology and Higher Education, Monterrey, Nuevo León 64849, Mexico;6. Department of Manufacturing, School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, India;7. Department of Biology, Emmanuel College, 400 The Fenway, Boston, MA 02115, USA;8. Pillar of Engineering Product Development, Singapore University of Technology and Design, Singapore 487373, Singapore;9. Digital Manufacturing and Design Center, Singapore University of Technology and Design, Singapore 4873724, Singapore;10. Department of Biomedical Engineering, National University of Singapore, Singapore 117583, Singapore;11. Independent Researcher.;1. School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA;2. Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;3. School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China;4. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;5. State Key Laboratory for Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China;1. College of Physical Science and Technology, Xiamen University, Xiamen, 361005, China;2. Jiujiang Research Institute of Xiamen University, Jiujiang, 360404, China;3. Laboratory for Nanoelectronics and Nano Devices Department of Electronics Science and Technology Hangzhou Dianzi University, Hangzhou, 310018, China;4. AVIC Manufacturing Technology Institute, Composites Centre, Beijing, 100095, China |
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| Abstract: | The changes in intestinal disaccharidase activities in pregnancy and lactation could be explained as a result of an adaptation to the energy demands of each reproductive stage. To examine these changes, disaccharidase activities (lactase, sucrase, maltase, and trehalase) were measured in the jejunum and ileum of virgin, pregnant and lactating Wistar rats. Minor changes in disaccharidase activities were observed in pregnancy, whereas an increase of disaccharidase activities per small intestine length normalized to body mass was observed in lactation. |
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