Eat-me Signals

Eat-me signals are molecular cues on a cell’s surface that identify it for engulfment and removal, helping maintain tissue health and immune balance. During apoptosis or cellular damage, changes such as the exposure of phosphatidylserine on the outer plasma membrane allow phagocytes, including macrophages and dendritic cells, to recognize the cell through dedicated receptors and bridging molecules. This recognition triggers phagocytosis, enclosing the target in a phagosome for degradation and recycling. Studying eat-me signals clarifies how organisms clear dying cells without excessive inflammation and informs research on immune regulation, autoimmune disease, cancer, infection, and therapeutic strategies that alter cellular clearance.

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Research

JoVE Journal - Behavior

Fat Preference: A Novel Model of Eating Behavior in Rats

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Cited by 9 •

2014

Dietary fat content influences both energy intake and body fat composition in mammals. By examining rats’ preference for high fat food in a series of choice experiments, it is possible to test genetic differences and pharmacological interventions on their preference for high fat food.

Education

JoVE Core - Introduction to Psychology

Binge Eating Disorders

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2025

Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...

Research

JoVE Journal - Behavior
Free Sample

Control of Eating Behavior Using a Novel Feedback System

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Cited by 22 •

2018

Subjects eat food from a plate placed on a scale connected to a computer that records the weight loss of the plate during the meal. Feedback on the computer screen allows the subject to adapt her/his eating behavior to reference curves thus normalizing body weight.

Research

JoVE Journal - Behavior
Free Sample

A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis

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2022

Diagnosing eating disorders in healthcare is challenging. Therefore, the present protocol develops an algorithm based on 949 patient responses to a questionnaire, with the diagnosis displayed on an easy-to-use web-based interface. This system facilitates the accurate diagnosis of eating disorders while excluding those believed to have an eating disorder.

Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method

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Cited by 8 •

2021

This protocol shows and explains a new technology-based dietary assessment method. The method consists of a dining tray with multiple built-in weighing scales and a video camera. The device is unique in the sense that it incorporates automated measures of food and drink intake and eating behavior over the course of a meal.

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