Search Results - "Akers, R.M."

Identification and characterization of the bovine G protein-coupled receptor GPR41 and GPR43 genes by Wang, A, Gu, Z, Heid, B, Akers, R M, Jiang, H

“…Volatile fatty acids (VFA), including acetate, propionate, and butyrate, are not only a primary source of energy, but also regulate rumen development, insulin…”
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Effects of AMP-activated protein kinase (AMPK) signaling and essential amino acids on mammalian target of rapamycin (mTOR) signaling and protein synthesis rates in mammary cells by Appuhamy, J A D R N, Nayananjalie, W A, England, E M, Gerrard, D E, Akers, R M, Hanigan, M D

“…Regulation of mammary protein synthesis potentially changes the relationships between AA supply and milk protein output represented in current nutrient…”
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Regulation of protein synthesis in mammary glands of lactating dairy cows by starch and amino acids by Rius, A G, Appuhamy, J A D R N, Cyriac, J, Kirovski, D, Becvar, O, Escobar, J, McGilliard, M L, Bequette, B J, Akers, R M, Hanigan, M D

“…The objective of this study was to evaluate local molecular adaptations proposed to regulate protein synthesis in the mammary glands. It was hypothesized that…”
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Growth hormone can induce expression of four major milk protein genes in transfected MAC-T cells by Zhou, Y, Akers, R M, Jiang, H

“…Growth hormone (GH) can increase milk production in cattle, and this effect was thought to be mediated by an indirect mechanism because traditional ligand…”
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Short communication: Presence of G protein-coupled receptor 43 in rumen epithelium but not in the islets of Langerhans in cattle by Wang, A, Akers, R M, Jiang, H

“…Volatile fatty acids (VFA) are the major products of microbial fermentation in the rumen. Besides serving as substrates for energy generation, VFA are known to…”
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Effects of milk replacer composition on selected blood metabolites and hormones in preweaned Holstein heifers by Daniels, K M, Hill, S R, Knowlton, K F, James, R E, McGilliard, M L, Akers, R M

“…We investigated the effects of increasing dietary protein and energy on concentrations of selected blood metabolites and hormones in Holstein heifers…”
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Effects of milk replacer formulation on measures of mammary growth and composition in Holstein heifers by Daniels, K M, Capuco, A V, McGilliard, M L, James, R E, Akers, R M

“…Overfeeding prepubertal heifers may impair mammary parenchymal growth and reduce milk production, but evidence suggests that increased intake of a high-protein…”
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Level of nutrient intake affects mammary gland gene expression profiles in preweaned Holstein heifers by Piantoni, P, Daniels, K M, Everts, R E, Rodriguez-Zas, S L, Lewin, H A, Hurley, W L, Akers, R M, Loor, J J

“…Bovine mammary parenchyma (PAR) and fat pad (MFP) development are responsive to preweaning level of nutrient intake. We studied transcriptome alterations in…”
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Protein and energy intakes affected amino acid concentrations in plasma, muscle, and liver, and cell signaling in the liver of growing dairy calves by Rius, A G, Weeks, H A, Cyriac, J, Akers, R M, Bequette, B J, Hanigan, M D

“…The nutrient content of and feeding recommendations for milk replacers (MR) vary widely in North America, and acceleration of growth through manipulation of…”
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Patterns of estrous cycles, estrous behavior, and circulating prolactin in spring and summer in ewes selected for autumn lambing and exposed to ambient or long-day photoperiods by Notter, D.R, Smith, J.K, Akers, R.M

“…Estrous behavior in response to ambient and long-day photoperiods was evaluated in ewes developed by 10 years of selection for ability to lamb in autumn…”
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Mammary growth in Holstein cows during the dry period: quantification of nucleic acids and histology by Capuco, A V, Akers, R M, Smith, J J

“…Influence of the dry period on mammary growth was studied using multiparous Holstein cows. Sixty days before expected parturition, 13 cows were dried off, and…”
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Effect of exogenous somatotropin in Holstein calves on mammary gland composition and proliferation by Huderson, B P, Velayudhan, B T, Pearson, R E, Ellis, S E, Akers, R M

“…Pubertal mammary gland growth and development are hormonally regulated, but the details are poorly understood in calves. Our purpose was to evaluate the…”
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Effect of staged ovariectomy on measures of mammary growth and development in prepubertal dairy heifers by Velayudhan, B. T., Huderson, B. P., McGilliard, M. L., Jiang, H., Ellis, S. E., Akers, R. M.

“…Previous studies in prepubertal heifers suggest that the magnitude of reduction in mammary parenchymal growth in response to ovariectomy varies with the age at…”
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Dopamine antagonist alters serum cortisol and prolactin secretion in lactating Holstein cows by Ahmadzadeh, A, Barnes, M A, Gwazdauskas, F C, Akers, R M

“…The role of dopamine in regulating glucocorticoid and prolactin secretion was investigated in lactating Holstein cows by characterizing serum cortisol and…”
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Hot topic: Prepubertal ovariectomy alters the development of myoepithelial cells in the bovine mammary gland by Ballagh, K, Korn, N, Riggs, L, Pratt, S L, Dessauge, F, Akers, R M, Ellis, S

“…Prepubertal ovariectomy can dramatically inhibit mammary development, but the mechanism of inhibition is not well characterized. Holstein heifers were…”
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Developmental histology, segmental expression, and nutritional regulation of somatotropic axis genes in small intestine of preweaned dairy heifers by Velayudhan, B T, Daniels, K M, Horrell, D P, Hill, S R, McGilliard, M L, Corl, B A, Jiang, H, Akers, R M

“…Components of the somatotropic axis and nutrition regulate intestinal development and maturation of enterocytes. We measured gene expression in the mucosal…”
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Effects of feeding prepubertal heifers a high-energy diet for three, six, or twelve weeks on mammary growth and composition by Davis Rincker, L E, Weber Nielsen, M S, Chapin, L T, Liesman, J S, Daniels, K M, Akers, R M, Vandehaar, M J

“…The experimental objective was to determine the effects of feeding prepubertal dairy heifers a high-energy diet for 3, 6, or 12 wk on mammary growth and…”
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Ovarian and IGF-I axis control of mammary development in prepubertal heifers by Akers, R.M., Ellis, S.E., Berry, S.D.

“…Although much is known about the endocrine control of bovine mammary development, most heifer work has focused on periods near the time of puberty or during…”
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Effects of energy balance of hormones, ovarian activity, and recovered oocytes in lactating Holstein cows using transvaginal follicular aspiration by Kendrick, K W, Bailey, T L, Garst, A S, Pryor, A W, Ahmadzadeh, A, Akers, R M, Eyestone, W E, Pearson, R E, Gwazdauskas, F C

“…The effects of energy balance on hormonal secretion patterns and the structure of recovered oocytes were evaluated in 20 lactating Holstein cows during two…”
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Effects of body weight and nutrition on mammary protein expression profiles in Holstein heifers by Daniels, K M, Webb, Jr, K E, McGilliard, M L, Meyer, M J, Van Amburgh, M E, Akers, R M

“…A proteomics approach was used to characterize biochemical and cellular mechanisms governing effects of peripubertal feeding on heifer mammary development…”
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