Publications

Dernière publication 27/03/2026

Separating food intake-dependent and -independent effects in cancer cachexia

Summary Cancer cachexia is characterized by involuntary weight loss and wasting of fat and muscle, with diminished food intake commonly cited as...

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    [title] => Separating food intake-dependent and -independent effects in cancer cachexia
    [paragraph] => Separating food intake-dependent and -independent effects in cancer cachexia
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Authors
Yanshan Liang, Young-Yon Kwon, Sheng Hui

 Lab

Journal
iScience
Abstract
Summary
Cancer cachexia is characterized by involuntary weight loss and wasting of fat and muscle, with diminished food intake commonly cited as a cause. However, the extent to which reduced food intake drives these symptoms, and other phenotypes such as physical weakness, remains unclear. Using the colon carcinoma 26 (C26) mouse model, we assessed the role of food intake in key cachexia phenotypes. We found that reduced food intake was the predominant driver of body weight loss and tissue wasting, suggesting no additional causal mechanisms. In contrast, food intake reduction did not affect physical performance, indicating food intake-independent factors in causing weakness. Thus, depending on the model or patient group, reduced food intake may primarily drive some cachectic phenotypes while having no role in others. Discriminating between food intake-mediated effects and those independent of it is critical for guiding research focus and unraveling the causal pathways of cancer cachexia.

Keywords/Topics
Nutrition; Physiology; Cancer
BIOSEB Instruments Used:
Grip strength test (BIO-GS4)
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Une méthode simple pour quantifier objectivement la force musculaire des rats et souris et l'effet de drogues, toxines, maladies musculaires (ex: myopathie) et neurodégénératives. Cette mesure de force est souvent employée en association avec le test de coordination motrice ROTAROD: un sujet présentant une coordination normale montrera des résultats médiocres en cas de faible force musculaire. Un must pour vos recherches sur l'activité, la coordination et le contrôle musculaire: particulièrement utile pour vos études sur les maladies de Parkinson et Huntington.
Nouveautés GS4 - 2023: Écran couleur rétroéclairé (meilleure lisibilité), pédale de remise à zéro, durée de batterie optimisée, taille de mémoire augmentée à 500 valeurs, compteur d'animaux, port USB (transfert de données/charge)

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