Abstract:
Nutritional dwarfing (ND) is the result of nonorganoc causes reflective of a voluntary or unintentional reduction in food intake, inappropriate eating behavior, dissatisfaction with body weight or unhealthy approaches toward weight control. Patients with ND have reached an equilibrium between their genetic growth potential and their nutritional intake. This study was undertaken to compare on a growing rat model the metabolic alterations in terms of substrate utilization (SU), oxygen consumption (VO 2,) and growth rate velocity. Twenty male weanling Wistar rats were randomized to 3 groups: control (C), experimental 4 (E4) and 3 (E8). C was fed "ad libitum" with a stock diet, E4 and E8 were underfed by 80% of the requirements during four or eight weeks, respectivately. During the depletion phase the following measurements were performed: 1a) body weight (Wt), 1b) length, 1c) Weight for Length ratio z+score, 2) Body composition (BC) by EM-SCAN Tobec Model 3 000, Springfield. USA, 3) VO 2 by indirect calorimetry, ECO-OXYMAX. Results: 1) wt for length was -0.70 ± 0.43 for E4 (t = 4 weeks) and 1.44 ± 0.32 for E8 (t = 8 weeks), 2) % of fat mass was within the normal range, 3) VO 2 was not significantly different between groups. Chronic suboptimal nutrition (80%) decreased growth velocity which was the sole manifestation of nutritional inadequacy.
Registro:
Documento: |
Artículo
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Título: | Nutritional dwarfing: A longitudinal analysis of anthropometric and metabolic parameters in rats |
Autor: | Friedman, S.M.; Rodriguez, P.N.; Olivera, M.I.; Bozzini, C.; Norese, F.; Gamba, C.A.; Boyer, P.M. |
Filiación: | Catedras Bioquim. Gen. Bucal Fisiol., Facultad de Odontologia, Universidad de Buenos Aires, Argentina Sucre 3042, 1428 Buenos Aires, Argentina
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Palabras clave: | Body composition; Body growth; Energy metabolism; Nutritional dwarfing; animal; article; body composition; dwarfism; energy metabolism; growth; male; nutritional disorder; nutritional status; rat; Wistar rat; Animals; Body Composition; Dwarfism; Energy Metabolism; Growth; Male; Nutrition Disorders; Nutritional Status; Rats; Rats, Wistar |
Año: | 1998
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Volumen: | 58
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Número: | 3
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Página de inicio: | 282
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Página de fin: | 286
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Título revista: | Medicina
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Título revista abreviado: | Medicina (Argentina)
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ISSN: | 00257680
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CODEN: | MEDCA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00257680_v58_n3_p282_Friedman |
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Citas:
---------- APA ----------
Friedman, S.M., Rodriguez, P.N., Olivera, M.I., Bozzini, C., Norese, F., Gamba, C.A. & Boyer, P.M.
(1998)
. Nutritional dwarfing: A longitudinal analysis of anthropometric and metabolic parameters in rats . Medicina, 58(3), 282-286.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00257680_v58_n3_p282_Friedman [ ]
---------- CHICAGO ----------
Friedman, S.M., Rodriguez, P.N., Olivera, M.I., Bozzini, C., Norese, F., Gamba, C.A., et al.
"Nutritional dwarfing: A longitudinal analysis of anthropometric and metabolic parameters in rats "
. Medicina 58, no. 3
(1998) : 282-286.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00257680_v58_n3_p282_Friedman [ ]
---------- MLA ----------
Friedman, S.M., Rodriguez, P.N., Olivera, M.I., Bozzini, C., Norese, F., Gamba, C.A., et al.
"Nutritional dwarfing: A longitudinal analysis of anthropometric and metabolic parameters in rats "
. Medicina, vol. 58, no. 3, 1998, pp. 282-286.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00257680_v58_n3_p282_Friedman [ ]
---------- VANCOUVER ----------
Friedman, S.M., Rodriguez, P.N., Olivera, M.I., Bozzini, C., Norese, F., Gamba, C.A., et al. Nutritional dwarfing: A longitudinal analysis of anthropometric and metabolic parameters in rats . Medicina (Argentina). 1998;58(3):282-286.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00257680_v58_n3_p282_Friedman [ ]