Mechanical mandible competence in rats with nutritional growth retardation.

Objective: In order to provide a better understanding of the sympathetic nervous system as a negative regulator of bone status, the aim of the study was to establish the biomechanical mandible response to different doses of a β-adrenergic antagonist such as propranolol (P) in a stress-induced food restriction model of growth retardation.

Methods: Rats were assigned to eight groups: Control (C), C+P3.5 (CP3.

[Operational mechanism modification of bone mechanostat in an animal model of nutritional stress: effect of propranolol].

Introduction: Propranolol (P) treatment exerts a preventive effect against the detrimental consequences to bone status in mildly chronically food-restricted growing rats (NGR) by an increment in cortical bone and by improving its spatial distribution.

Objective: To study the effect of beta-blocker on operational mechanism of bone mechanostat in an animal model of nutritional stress.

Material And Methods: Weanling male Wistar rats were randomly assigned to four groups: control (C), C + P (CP), NGR and NGR + P (NGRP).

[Effect of different propranolol doses on skeletal structural and mechanic efficiency in an animal model of growth retardation].

Objective: To assess in a growth retardation (GR) model the impact of different propranolol (P) doses on anthropomorphometric and biomechanical variables of the appendicular skeleton.

Materials And Methods: Twenty-one day-old male Wistar rats were divided into the following groups: control (C), C+P3.5 (CP3.

[Neuronal LHRH system activity in an animal model of growth retardation].

Objective: Mild and chronic energy restriction results in growth retardation with puberal delay, a nutritional disease known as nutritional dwarfing (ND). The aim of the present study was to assess the profile of hypothalamic luteinizing hormone-releasing hormone (LHRH) release, at baseline and under glutamate stimulation, in ND rats to elucidate gonadotrophic dysfunction. Reproductive ability during refeeding was also studied.