Donald K. Layman, Ph.D.

Dr. Layman speaks about his extensive research on protein, the current debate regarding optimum protein intake, and the importance of protein distribution throughout the day, particularly at breakfast. 




Representative Publications as of October 2010

1. Gautsch, T.A., J.C. Anthony, S.R. Kimball, G.L. Paul, D.K. Layman and L.S. Jefferson. (1998). Availability of eIF4E regulates skeletal muscle protein synthesis during recovery from exercise. American Journal of Physiology: Cell Physiology 274(2):C406-C414.

2. Anthony, J.C., T.A. Gautsch and D.K. Layman. (1999). Leucine supplementation enhances skeletal muscle recovery in rats following exercise. Journal of Nutrition 129:1102-1106.

3. Layman, D.K. (2002). Role of leucine in protein metabolism during exercise and recovery. Canadian Journal of Applied Physiology 27:646-662.

4. Layman, D.K. (2003). The role of leucine in weight loss diets and glucose homeostasis. Journal of Nutrition. 133:261S-267S.

5. Layman,D.K., H. Shiue, C. Sather, D.J. Erickson and J. Baum. (2003). Increased dietary protein modifies glucose and insulin homeostasis in adult women during weight loss. Journal of Nutrition. 133:405-410.

6. Layman, D.K., R.A. Boileau, D.J. Erickson, J.E. Painter, H. Shiue, C. Sather and D.D. Christou. (2003). A reduced ratio of carbohydrate to protein improves body composition and blood lipid profiles in adult women. Journal of Nutrition. 133:411-417.

7. Layman, D.K. and J.I. Baum. (2004) Dietary protein impact on glycemic control during weight loss. Journal of Nutrition. 134:968S-973S.

8. Layman, D.K. (2004). Protein quantity and quality at levels above the RDA improves adult weight loss. Journal of the American College of Nutrition. 23:(6 Suppl):631S-636S.

9. Baum, J.I., J.C. O’Conner, J. E. Seyler, T.G. Anthony, G.G. Freund and D.K. Layman. (2005). Leucine effects on PI3-kinase and insulin signaling in rat skeletal muscle. American Journal of Physiology. 288:E86-E91.

10. Layman, D.K., E. Evans, J.I. Baum, J.E. Seyler, D.J. Erickson & R.A. Boileau. (2005) Dietary protein and exercise have additive effects on body composition during weight loss in adult women. Journal of Nutrition. 135: 1903-1910.

11. Layman, D.K. & Walker, D.A. (2006). Potential importance of leucine in treatment of obesity and the metabolic syndrome. Journal of Nutrition. 136: 319S-323S.

12. Norton, L.E. & D.K. Layman (2006) Leucine regulates translation initiation of protein synthesis in skeletal muscle after exercise. Journal of Nutrition. 136: 533S-537S.

13. Baum, J.I., D.K. Layman, G.G. Freund, K.A. Rahn, M.T. Nakamura & B.E. Yudell (2006) A reduced carbohydrate, increased protein diet stabilizes glycemic control and minimizes adipose tissue glucose disposal in rats. Journal of Nutrition. 136: 1855-1861.

14. Heaney, R.P & D.K. Layman (2008) Amount and type of protein influence bone health. American Journal of Clinical Nutrition. 87: 1567S-1570S.

15. Layman, D.K., P. Clifton, M.C. Gannon, R.M. Krauss & F.Q. Nuttall (2008) Protein in optimal health: heart disease and type 2 diabetes. American Journal of Clinical Nutrition. 87:1571S-1575S.

16. Millward, D.J., D.K. Layman, D. Tome & G. Schaafsma (2008) Protein quality assessment: impact of expanding understanding of protein and amino acid needs for optimal health. American Journal of Clinical Nutrition. 87: 1576S-1581S.

17. Lasker, D.A.W., E.M. Evans & D.K. Layman. (2008) Moderate carbohydrate, moderate protein weight loss diet reduces cardiovascular compared to high carbohydrate, low protein diet in obese adults: A randomized clinical trial. Nutrition & Metabolism. 5:30-39.

18. Layman, D.K. & N. Rodrigues (2009) Eggs as a source of protein for power, strength and energy. Nutrition Today. 44:43-48.

19. Layman, D.K., E.M. Evans, P. Kris-Etherton, D. Erickson, J. Seyler, J. Weber, D. Bagshaw, A. Griel & T. Psota. (2009) Moderate protein diet produces sustained weight loss and long-term changes in body composition and blood lipids in obese adults. Journal of Nutrition. 139:514-521.

20. Layman, D.K. (2009) Dietary Guidelines should reflect new understandings about adult protein needs. Nutrition & Metabolism. 6:12-16.

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