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Titolo:
Secretion of whey acidic protein and cystatin is down regulated at mid-lactation in the red kangaroo (Macropus rufus)
Autore:
Nicholas, KR; Fisher, JA; Muths, E; Trott, J; Janssens, PA; Reich, C; Shaw, DC;
Indirizzi:
Australian Natl Univ, Div Biochem & Mol Biol, Canberra, ACT 0200, Australia Australian Natl Univ Canberra ACT Australia 0200 rra, ACT 0200, Australia USGS, Biol Resources Div, Midcontinent Ecol Sci Ctr, Ft Collins, CO 80525 USA USGS Ft Collins CO USA 80525 inent Ecol Sci Ctr, Ft Collins, CO 80525 USA Australian Natl Univ, John Curtin Sch Med Res, Prot Biochem Grp, Canberra,ACT 0200, Australia Australian Natl Univ Canberra ACT Australia 0200 erra,ACT 0200, Australia Victorian Inst Anim Sci, Attwood, Vic 3049, Australia Victorian Inst Anim Sci Attwood Vic Australia 3049 d, Vic 3049, Australia
Titolo Testata:
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR AND INTEGRATIVE PHYSIOLOGY
fascicolo: 4, volume: 129, anno: 2001,
pagine: 851 - 858
SICI:
1095-6433(200107)129:4<851:SOWAPA>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
TAMMAR WALLABY; MAMMARY-GLAND; MOLECULAR-CLONING; MILK WHEY; EUGENII; EXPRESSION; INHIBITOR; GENE; MEMBER; FAMILY;
Keywords:
kangaroo; lactation; cystatin; whey acidic protein; protease inhibitor;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
43
Recensione:
Indirizzi per estratti:
Indirizzo: Nicholas, KR Victorian Inst Anim Sci, 475 Mickleham Rd, Attwood, Vic 3049,Australia Victorian Inst Anim Sci 475 Mickleham Rd Attwood Vic Australia 3049
Citazione:
K.R. Nicholas et al., "Secretion of whey acidic protein and cystatin is down regulated at mid-lactation in the red kangaroo (Macropus rufus)", COMP BIOC A, 129(4), 2001, pp. 851-858

Abstract

Milk collected from the red kangaroo (Macropus rufus) between day 100 and 260 of lactation showed major changes in milk composition at around day 200of lactation, the rime at which the pouch young begins to temporarily exitthe pouch and eat herbage. The carbohydrate content of milk declined abruptly at this time and although there was only a small increase in total protein content, SDS PACE analysis of milk revealed asynchrony in the secretorypattern of individual proteins. The levels of alpha -lactalbumin, beta -lactoglobulin, serum albumin and transferrin remain unchanged during lactation. In contrast, the protease inhibitor cystatin, and the putative protease inhibitor whey acidic protein (WAP) first appeared in milk at elevated concentrations after approximately 150 days of lactation and then ceased to be secreted at approximately 200 days. In addition, a major whey protein, latelactation protein, was first detected in milk around the time whey acidic protein and cystatin cease to be secreted and was present at least until day 260 of lactation. The co-ordinated, but asynchronous secretion of putative protease inhibitors in milk may have several roles during lactation including tissue remodelling in the mammary gland and protecting specific proteins in milk required ia; physiological development of the dependent young. (C) 2001 Elsevier Science Inc. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 06:12:14