Search results for "Alimentation"

Les enfants difficiles à table : conceptualisation et évolution

2022

L'objectif du présent article est de proposer un état des lieux des études récentes permettant d'offrir un cadre conceptuel et opérationnel au concept de comportement difficile à table, tout en mettant en lumière les conséquences psychologiques pour l'enfant, ainsi que les pratiques éducatives parentales associées. L'article ambitionne aussi de déterminer dans quelle mesure un enfant difficile est un mangeur à risque de développer ultérieurement des troubles du comportement alimentaire (anorexie mentale, ARFID), et quelles seraient les pistes à privilégier, en termes de guidance parentale, pour accompagner l'enfant.

The hedgehog receptor patched is involved in cholesterol transport.

2011

International audience; BACKGROUND: Sonic hedgehog (Shh) signaling plays a crucial role in growth and patterning during embryonic development, and also in stem cell maintenance and tissue regeneration in adults. Aberrant Shh pathway activation is involved in the development of many tumors, and one of the most affected Shh signaling steps found in these tumors is the regulation of the signaling receptor Smoothened by the Shh receptor Patched. In the present work, we investigated Patched activity and the mechanism by which Patched inhibits Smoothened. METHODOLOGY/PRINCIPAL FINDINGS: Using the well-known Shh-responding cell line of mouse fibroblasts NIH 3T3, we first observed that enhancement …

Conscience, cognition et choix alimentaires : Regards croisés entre psychologie et sciences de l'alimentation

2017

An efficient Escherichia coli expression system for the production of a functional N-terminal domain of the T1R3 taste receptor.

2012

http://www.landesbioscience.com/; International audience; Sweet taste is mediated by a dimeric receptor composed of two distinct subunits, T1R2 and T1R3, whereas the T1R1/T1R3 receptor is involved in umami taste perception. The T1R1, T1R2, and T1R3 subunits are members of the small family of class C G protein-coupled receptors (GPCRs). The members of this family are characterized by a large N-terminal domain (NTD), which is structurally similar to bacterial periplasmic-binding proteins and contains the primary ligand-binding site. In a recent study, we described a strategy to produce a functional dimeric human T1R3-NTD. Although the protein was expressed as inclusion bodies (IBs) using the …

Développement précoce du comportement et des préférences alimentaires

2014

Manger est essentiel pour la survie, et nous naissons équipés pour absorber des nutriments à partir des apports alimentaires. Cependant, l'alimentation ne se résume pas à cet aspect. Quoi, comment, quand, combien manger sont autant de questions qui renvoient à d'autres aspects du comportement alimentaire, auxquelles il nous faut répondre quotidiennement. Ces autres aspects du comportement alimentaire sont appris, essentiellement durant les premières années de vie [1]. Ainsi, nous avons montré que les comportements alimentaires acquis à l'âge de 2 à 3 ans étaient prédictifs des mêmes comportements observés chez le jeune adulte [2,3]. Pour cette raison, il est fondamental de savoir quand et c…

Dysfunction of the mesolimbic circuit to food odors in women with anorexia and bulimia nervosa: A fMRI study

2019

Brain reward dysfunction in eating disorders has been widely reported. However, whether the neural correlates of hedonic and motivational experiences related to food cues are differentially affected in anorexia nervosa of restrictive type (ANr), bulimia nervosa (BN), and healthy control (HC) participants remains unknown. Here, 39 women (14 ANr, 13 BN, and 12 HC) underwent fMRI while smelling food or non-food odors in hunger and satiety states during liking and wanting tasks. ANr and BN patients reported less desire to eat odor-cued food and odor-cued high energy-density food (EDF), respectively. ANr patients exhibited lower ventral tegmental area (VTA) activation than BN patients to food od…

External, emotional and restrained eating in normal- and overweight French children: do parents and children agree?

2016

The Dutch Eating Behaviour Questionnaire for Children (DEBQ-C; van Strien & Oosterveld, 2008) was developed to assess external eating (EXT), emotional eating (EMO), and restriction (RES) in 7- to 12-years-old. The aim of this study was to compare children and parents' views of children's eating behaviour according to children's weight status in a sample of French participants. Children were asked about their own eating behaviour and parents were asked about their children's eating behaviour using the DEBQ-C in the child- and parent-report forms, respectively. One hundred and thirty families participated (n=55 overweight children, ow; n=75 normal-weight children, nw; children were weighted a…

Les traces alimentaires du patient hospitalisé

2017

Introduction générale Parmi les patients hospitalisés, 35 à 65 % souffrent de dénutrition et, souvent, leur état nutritionnel tend à se dégrader pendant leur séjour hospitalier. Cette dégradation nutritionnelle peut être expliquée par l’anorexie entraînée par la maladie et/ou ses traitements, par l’offre alimentaire mais aussi par un changement radical des pratiques alimentaires lors de l’arrivée du patient dans l’institution hospitalière (les plats ne sont pas choisis, le patient mange seul,...

Développement du comportement alimentaire de l'enfant dans la famille, avec les amis, à l'école

2021

National audience

In-mouth mechanism leading to the perception of fat in humans: from detection to preferences. The particular role of saliva

2013

In humans, the perception of fat in food is a complex process involving many sensory modalities (texture, aromaand flavour). Themouth is the first place in which the process of digestion begins. During this process, a bolus is formed in which saliva is significantly incorporated. For solids and semi-solid fatty matrices, saliva and the shear forces applied during mastication contribute to their breakdown and/or destabilisation in emulsified systems. These mechanisms are often dependent on the fat content of the food and thus play an important role in not only the perception of texture but also the release of compounds responsible for the flavour of “fat”. In addition, saliva is directly inv…