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United States Department of Agriculture

Agricultural Research Service

Timothy G Ramsay
Research Physiologist (Animals)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Normal birth weight piglets with impaired preweaning growth utilize alternative metabolic pathways in the liver -
Regulation of cytokine gene expression by orosomucoid in neonatal swine adipose tissue -
Ramsay, T.G., Stoll, M.J., Blomberg, L., Caperna, T.J. 2016. Regulation of cytokine gene expression by orosomucoid in neonatal swine adipose tissue. Journal of Animal Science and Biotechnology. 7:25.
Use of plasma orosomucoid in newborn piglets to predict preweaning growth performance and its mechanism of action -
Ramsay, T.G., Blomberg, L., Vallet, J.L., Caperna, T.J. 2015. Use of plasma orosomucoid in newborn piglets to predict preweaning growth performance and its mechanism of action. Journal of Animal Science. 94(SUPPLE2):66.
a1-acid glycoprotein inhibits lipogenesis in neonatal swine adipose tissue -
Ramsay, T.G., Blomberg, L., Caperna, T.J. 2016. a1-acid glycoprotein inhibits lipogenesis in neonatal swine adipose tissue. Animal. 10(5):812-20.
The immune system modulator a1-acid glycoprotein inhibits insulin and IGF1 induced protein synthesis in C2C12 myotubes -
Ramsay, T.G., Stoll, M.J., Caperna, T.J., Blomberg, L. 2015. The immune system modulator a1-acid glycoprotein inhibits insulin and IGF1 induced protein synthesis in C2C12 myotubes. Meeting Abstract. 064:40.
Alpha 1-acid glycoprotein has immunomodulatory effects in neonatal swine adipose tissue -
Regulation of alpha-1 acid glycoprotein synthesis by porcine hepatocytes in monolayer culture -
Caperna, T.J., Shannon, A.E., Stoll, M.J., Blomberg, L., Ramsay, T.G. 2015. Regulation of alpha-1 acid glycoprotein synthesis by porcine hepatocytes in monolayer culture. Domestic Animal Endocrinology. 52(7):51-59.
Slow growing pre weaning piglets have altered adipokine gene expression -
Ramsay, T.G., Stoll, M.J., Caperna, T.J. 2014. Slow growing pre weaning piglets have altered adipokine gene expression. Open Journal of Animal Sciences. 4(7):187-195.
Identification of alpha-1 acid glycoprotein (AGP) as a potential marker of impaired growth in the newborn piglet -
Caperna, T.J., Shannon, A.E., Blomberg, L., Stoll, M.J., Ramsay, T.G. 2013. Identification of alpha-1 acid glycoprotein (AGP) as a potential marker of impaired growth in the newborn piglet. Reproduction, Fertility and Development. 25:1126-33.
Identification and characterization of a Nuclear Factor Kappa B p65 proteolytic fragment in nuclei of porcine hepatocytes in monolayer culture -
Caperna, T.J., Shannon, A.E., Garrett, W.M., Ramsay, T.G., Blomberg, L., Elsasser, T.H. 2013. Identification and characterization of a Nuclear Factor Kappa B p65 proteolytic fragment in nuclei of porcine hepatocytes in monolayer culture. Domestic Animal Endocrinology. 45:154-162.
Methyl-ß-cyclodextrin alters adipokine gene expression and glucose metabolism in swine adipose tissue -
Ramsay, T.G., Blomberg, L., Caperna, T.J. 2014. Methyl-ß-cyclodextrin alters adipokine gene expression and glucose metabolism in swine adipose tissue. Animal-The International Journal of Animal Biosciences. 7(10):1690-1696.
Tumor necrosis a regulation of adipokine gene expression in neonatal adipose tissue -
Ramsay, T.G., Stoll, M.J., Caperna, T.J., Conde-Aguilera, J.A. 2013. Tumor necrosis a regulation of adipokine gene expression in neonatal adipose tissue. Veterinary Research Communications. 37(1):1-10.
Body composition of piglets exhibiting different growth rates -
Mitchell, A.D., Ramsay, T.G., Caperna, T.J., Scholz, A.M. 2012. Body composition of piglets exhibiting different growth rates. Archives of Animal Breeding. 55(4):356-363.
Measurement of changes in body composition of piglets from birth to 4 kg using quantitative magnetic resonance (QMR) -
Mitchell, A.D., Ramsay, T.G., Scholz, A.M. 2012. Measurement of changes in body composition of piglets from birth to 4 kg using quantitative magnetic resonance (QMR). Archives of Animal Breeding. 55:64-71.
Iron Dextran treatment does not induce serum protein carbonyls in the newborn pig -
Caperna, T.J., Shannon, A.E., Blomberg, L., Garrett, W.M., Ramsay, T.G. 2011. Iron Dextran treatment does not induce serum protein carbonyls in the newborn pig. Cambridge University Press: Animal. 6(1):79-86.
Quantitative magnetic resonance (QMR) measurement of changes in body composition of neonatal pigs -
Mitchell, A.D., Ramsay, T.G., Taicher, G., Kovner, I. 2010. Quantitative magnetic resonance (QMR) measurement of changes in body composition of neonatal pigs. Symposium on Energy and Protein Metabolism and Nutrition. (G.M. Crovetto, Ed.) EAAP 127:147-148. Wageningen Academic Purlishers. 3rd International Symposium on Engergy and Protein Metabolism, September 6-10, 2010, Parma, Italy.
Identification of Protein Carbonyls in serum of the fetal and neonatal pig. -
Caperna, T.J., Shannon, A.E., Blomberg, L., Garrett, W.M., Ramsay, T.G. 2010. Identification of protein carbonyls in serum of the fetal and neonatal pig. Comparative Biochemistry and Physiology. 156(3):189-196.
The Effect of Intrauterine Growth Retardation on the Expression of Developmental Factors in Porcine Placenta Subsequent to Placentation -
Blomberg, L., Schreier, L.L., Guthrie, H.D., Caperna, T.J., Ramsay, T.G., Sample, G.L., Vallet, J. 2010. The effect of intrauterine growth retardation on the expression of developmental factors in porcine placenta subsequent to placentation. Placenta. 31(6):549-52.
Quantitative magnetic resonance (QMR) measurement of changes in body composition of neonatal pigs -
Albumin induced cytokine expression in porcine adipose tissue explants -
Ramsay, T.G. 2009. Albumin induced cytokine expression in porcine adipose tissue explants. Journal of Animal Science 87, Suppl 2, p. 239.
Analysis of protein oxidation in serum of fetal and newborn piglets and the influence of iron dextran on induction of protein carbonyls. -
Caperna, T.J., Shannon, A.E., Ramsay, T.G., Blomberg, L., Garrett, W.M. 2009. Analysis of protein oxidation in serum of fetal and newborn piglets and the influence of iron dextran on induction of protein carbonyls. American Society of Animal Science, Abstract #33536.
IGF-I mediated inhibition of leptin receptor expression in porcine hepatocytes -
Ramsay, T.G., Richards, M.P., Li, C.J., Caperna, T.J. 2010. IGF-I mediated inhibition of leptin receptor expression in porcine hepatocytes. Comparative Biochemsitry and Physiology. 155(1):43-48.
Impact of runting on adipokine gene expression in neonatal pig adipose tissue -
Ramsay, T.G., Stoll, M.J., Caperna, T.J. 2010. Adipokine gene transcription level in adipose tissue of runt piglets. Comparative Biochemistry and Physiology. 155(2):97-105.
Uncoupling protein expression in skeletal muscle and adipose tissue in response to in vivo porcine somatotropin treatment -
Ramsay, T.G., Mitchell, A.D., Richards, M.P. 2008. Uncoupling protein expression in skeletal muscle and adipose tissue in response to in vivo porcine somatotropin treatment. International Conference on Farm Animal Endocrinology.
Ontogeny of adipokine expression in neonatal pig adipose tissue -
Ramsay, T.G., Caperna, T.J. 2009. Ontogeny of adipokine expression in neonatal pig adipose tissue. Comparative Biochemistry and Physiology. 152:72-78.
Comparison of Gene Expression in Lean Contemporary and Crossbred Obese Swine -
Ramsay, T.G., Mitchell, A.D., Richards, M.P. 2007. Comparison of gene expression in lean contemporary and crossbred obese swine. Adipocytes 2(3/4):133-142.
Impact of dietary protein content on uncoupling protein mRNA abundance in swine -
Ramsay, T.G., Mitchell, A.D. 2008. Impact of dietary protein content on uncoupling protein mRNA abundance in swine. Comparative Biochemistry and Physiology. 149:562-571.
UNCOUPLING PROTEIN EXPRESSION IN SKELETAL MUSCLE AND ADIPOSE TISSUE IN RESPONSE TO IN VIVO PORCINE SOMATOTROPIN TREATMENT -
Ramsay, T.G., Mitchell, A.D., Richards, M.P. 2008. Uncoupling protein expression in skeletal muscle and adipose tissue in response to in vivo porcine somatotropin treatment. Domestic Animal Endorcinology. 35(2): 130-141.
Beta-adrenergic regulation of uncoupling protein expression in swine. Comparative Physiology and Biochemistry A. 147(2):395-403. -
Ramsay, T.G., Richards, M.P. 2007. Beta-adrenergic regulation of uncoupling protein expression in swine. Comparative Physiology and Biochemistry A. 147(2):395-403.
LEPTIN IN FARM ANIMALS -
Barb, C.R., Hausman, G.J., Ramsay, T.G. 2006. Leptin in farm animals. In: Castracane, D.V., Henson, M.C., editors. Endocrine Update. New York, NY: Springer. p.263-308.
LEPTIN AND LEPTIN RECEPTOR EXPRESSION IN SKELETAL MUSCLE AND ADIPOSE TISSUE IN RESPONSE TO IN VIVO PORCINE SOMATOTROPIN TREATMENT -
Ramsay, T.G., Richards, M.P. 2005. Leptin and leptin receptor expression in skeletal muscle and adipose tissue in response to in vivo porcine somatotropin treatment. Journal of Animal Science. 83:2501-2508.
LEPTIN AND LEPTIN RECEPTOR EXPRESSION IN SWINE TISSUES IN RESPONSE TO IN VIVO SOMATOTROPIN TREATMENT -
Ramsay, T.G., Richards, M.P. 2005. Leptin and leptin receptor expression in swine tissues in response to in vivo somatotropin treatment [abstract]. Journal of Animal Science. 83(Supplement 1):25.
PORCINE PREADIPOCYTE PROLIFERATION AND DIFFERENTIATION: A ROLE FOR LEPTIN? -
Ramsay, T.G. 2005. Porcine preadipocyte proliferation and differentiation: A role for leptin? Journal of Animal Science. 83(9): 2066-2074.
REGULATION OF UNCOUPLING PROTEINS 2 AND 3 IN PORCINE ADIPOSE TISSUE -
Ramsay, T.G., Rosebrough, R.W. 2005. Regulation of uncoupling proteins 2 and 3 in porcine adipose tissue. Domestic Animal Endocrinology. v.28:351-356.
HORMONAL REGULATION OF LEPTIN AND LEPTIN RECEPTOR EXPRESSION IN PORCINE SUBCUTANEOUS ADIPOSE TISSUE -
Ramsay, T.G., Richards, M.P. 2004. Hormonal regulation of leptin and leptin receptor expression in porcine subcutaneous adipose tissue. Journal of Animal Science. v 82:3486-3492.
INTERACTIONS AMONG ENDOCRINE, NUTRITIONAL AND GENETIC FACTORS CONTROLLING METABOLISM IN THE BROILER -
Rosebrough, R.W., McMurtry, J.P., Richards, M.P., Mitchell, A.D., Ramsay, T.G., Ashwell, C.M. 2005. Interactions among endocrine, nutritional and genetic factors controlling metabolism in the broiler. Avian and Poultry Biology Reviews. 16(2):95-100.
HORMONAL REGULATION OF LEPTIN AND LEPTIN RECEPTOR EXPRESSION IN PORCINE SUBCUTANEOUS ADIPOSE TISSUE -
Ramsay, T.G., Richards, M.P. 2004. Hormonal regulation of leptin and leptin receptor expression in porcine subcutaneous adipose tissue [abstract]. Journal of Animal Science. 82 (Suppl. 1):200.
PERIPHERAL LEPTIN ADMINISTRATION ALTERS HORMONE AND METABOLITE LEVELS IN THE YOUNG PIG -
Ramsay, T.G., Bush, J.A., McMurtry, J.P., Thivierge, M.C., Davis, T.A. 2004. Peripheral leptin administration alters hormone and metabolite levels in the young pig. Comparative Biochemistry and Physiology, Part A. 138:17-25.
PORCINE LEPTIN ALTERS ISOLATED ADIPOCYTE METABOLISM -
Ramsay, T.G. 2004. Porcine leptin alters isolated adipocyte glucose and fatty acid metabolism. Domestic Animal Endocrinology. 26:11-21.
PORCINE LEPTIN INHIBITS LIPOGENESIS IN PORCINE ADIPOCYTE -
Ramsay, T.G. 2003. Porcine leptin inhibits lipogenesis in porcine adipocytes.Journal of Animal Science. 81(12):3008-3017.
PORCINE LEPTIN ALTERS FATTY ACID METABOLISM BY SWINE ADIPOCYTES -
Journal of Animal Science 81:3008-3017, 2003
PORCINE LEPTIN INHIBITS PROTEIN BREAKDOWN IN C2C12 MYOTUBE -
Ramsay, T.G. 2003. Porcine leptin inhibits protein breakdown and stimulates fatty acid oxidation in C2C12 myotubes. Journal of Animal Science 81(12):3046-3051.
PERIPHERAL LEPTIN ADMINISTRATION ALTERS HORMONE AND METABOLITE LEVELS IN THE YOUNG PIG -
Ramsay, T.G., Bush, J.A., McMurtry, J.P., Thivierge, M.C., Davis, R.A. 2003. Peripheral leptin administration alters hormone and metabolite levels in the young pig [abstract]. Journal of Animal Science. v.81(Suppl. 1):95.
HORMONAL REGULATION OF POSTNATAL CHICKEN PREADIPOCYTE DIFFERENTIATION IN VITRO -
Ramsay, T.G., Rosebrough, R.W. 2003. Hormonal regulation of postnatal chicken preadipocyte differentiation in vitro. Comparative Biochemistry and Physiology Part B. 136:245-253.
LEPTIN REGULATION OF C2C12 MYOTUBE METABOLISM IN VITRO -
DIETARY CONJUGATED LINOLEIC ACID ALTERS FATTY ACID COMPOSITION OF PIG SKELETAL MUSCLE AND FAT -
PORCINE LEPTIN ALTERS INSULIN INHIBITION OF LIPOLYSIS IN PORCINE ADIPOCYTES IN VITRO -
LEPTIN: A REGULATOR OF FEED INTAKE AND PHYSIOLOGY IN SWINE -
SOMATOTROPIN AND ADIPOSE TISSUE MATABOLISM: SUBSTRATE AND TEMPORAL EFFECTS -
Last Modified: 8/26/2016
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