Metabolic Surgery Model
Metabolic Surgery Model - Related Videos
10:29
Principles of Rodent Surgery for the New Surgeon
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Cited by 54 •
2011
Before attempting surgery, a new surgeon should have training in basic surgical techniques and concepts. This article will present basic surgical considerations with an emphasis on rodents.
10:03
A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
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Cited by 68 •
2013
Metabolic memory is the phenomenon by which diabetic complications persist and progress unimpeded even after euglycemia is achieved pharmaceutically. Here we describe a diabetes mellitus zebrafish model which is unique in that it allows for the examination of the mitotically transmissible epigenetic components of metabolic memory in vivo.
12:13
Considerations for Rodent Surgery
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN The Guide for the Care and Use of Laboratory Animals1 dictates that rodent survival surgery be performed aseptically. Aseptic technique utilizes specific practices that minimize the contamination of the surgical site, including patient preparation, surgeon preparation, sterilization of instruments and other supplies, and the use of a clean and controlled environment. Presurgical planning,...
05:41
Metabolic Profile Analysis of Zebrafish Embryos
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Cited by 42 •
2013
Zebrafish represent a powerful vertebrate model that has been under-utilised for metabolic studies. Here we describe a rapid way to measure the in vivo metabolic profile of developing zebrafish that allows the comparison of different mitochondrial function parameters between genetically or pharmacologically manipulated embryos, thereby increasing the applicability of this organism.
05:19
Modeling Cataract Surgery in Mice
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Cited by 4 •
2023
This method models cataract surgery in vivo by removing lens fiber cells from adult mice and leaving behind the capsular bag with attached lens epithelial cells (LECs). The injury response is then assessed at various times post-surgery using molecular and morphological criteria.
FAQs
Researchers can alter nutrient flow through the gastrointestinal tract and then examine downstream metabolic responses. This design helps connect anatomical changes with gut hormone secretion, bile acid signaling, appetite regulation, insulin sensitivity, and glucose homeostasis. The model therefore supports analysis of how several physiological pathways change together after an operation, rather than treating weight change as the only outcome.
By comparing metabolic responses associated with the operation against changes attributable to weight loss, researchers can identify surgery-specific physiological effects. This distinction matters because improved insulin sensitivity or glucose homeostasis may reflect more than reduced body mass alone. Such comparisons help clarify which responses arise from altered gastrointestinal anatomy and which accompany the broader consequences of losing weight.
Metabolic surgery models can track gut hormones, bile acid signaling, appetite regulation, insulin sensitivity, and glucose homeostasis as separate but related readouts. Examining these domains together allows investigators to ask whether altered nutrient handling is associated with endocrine signals, changes in appetite, or improved glucose control. This multi-pathway view is useful when evaluating mechanisms beyond body-weight reduction.
Animal, computational, and clinical models provide different ways to study the same surgical questions. Animal systems can represent physiological responses to altered anatomy, computational systems help examine relationships among mechanisms, and clinical models connect findings with metabolic disorders in patients. Using these model types can help separate generalizable mechanisms from effects that depend on a particular experimental or clinical setting.
In a study, researchers select an operation such as gastric bypass or sleeve gastrectomy, represent its effect on gastrointestinal anatomy or nutrient flow, and examine metabolic responses. They can then compare weight-related changes with surgery-specific responses and assess candidate mechanisms. This workflow supports evaluation of both surgical techniques and the physiological consequences associated with them.
It can reveal whether an intervention is associated with changes in gut hormone secretion, bile acid signaling, appetite regulation, insulin sensitivity, or glucose homeostasis. These outcomes help researchers characterize metabolic effects rather than relying on a single measure. Interpreting the pattern across endpoints may also guide identification of molecular mechanisms and inform development of less invasive treatments.
In medicine, these models connect altered gastrointestinal anatomy with obesity, diabetes, and related metabolic disorders. Their value extends beyond studying established operations: findings can support evaluation of surgical techniques, clarify why metabolic improvements occur, and identify physiological targets for less invasive approaches. This makes the model relevant to both disease research and efforts to develop alternatives to surgery.