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Conclusion: The associations suggest that replacing SFAs with PUFAs rather than MUFAs or carbohydrates prevents CHD over a wide range of intakes. Major types of dietary fat and risk of coronary heart disease: a pooled analysis of 11 cohort studies. Jakobsen MU, O'Reilly EJ, Heitmann BL, Pereira MA, Bälter K, Fraser GE, Goldbourt U, Hallmans G, Knekt P, Liu S, Pietinen P, Spiegelman D, Stevens J, Virtamo J, Willett WC, Ascherio A. Am J Clin Nutr. 2009 May;89(5):1425-32. Epub 2009 Feb 11. PMID: 19211817 doi:10.3945/ajcn.2008.27124

One-year comparison of a high-monounsaturated fat diet with a high-carbohydrate diet in type 2 diabetes. Brehm BJ, Lattin BL, Summer SS, Boback JA, Gilchrist GM, Jandacek RJ, D'Alessio DA. Diabetes Care. 2009 Feb;32(2):215-20. Epub 2008 Oct 28. PMID: 18957534 doi: 10.2337/dc08-0687 CONCLUSIONS-In individuals with type 2 diabetes, high-MUFA diets are an alternative to conventional lower-fat, high-CHO diets with comparable beneficial effects on body weight, body composition, cardiovascular risk factors, and glycemic control.

Major types of dietary fat and risk of coronary heart disease: a pooled analysis of 11 cohort studies. Jakobsen MU, O'Reilly EJ, Heitmann BL, Pereira MA, Bälter K, Fraser GE, Goldbourt U, Hallmans G, Knekt P, Liu S, Pietinen P, Spiegelman D, Stevens J, Virtamo J, Willett WC, Ascherio A. Am J Clin Nutr. 2009 Feb 11. [Epub ahead of print] PMID: 19211817 doi:10.3945/ajcn.2008.27124

Choose healthy fats, limit saturated fat, and avoid trans fat.\n\nThe total amount of fat you eat, whether high or low, isn't really linked with disease. What really matters is the type of fat you eat.\n

Spiller GA, Jenkins DJ, Cragen LN, Gates JE, Bosello O, Berra K, Rudd C, Stevenson M, Superko R.Effect of a diet high in monounsaturated fat from almonds on plasma cholesterol and lipoproteins.J Am Coll Nutr. 1992 Apr;11(2):126-30.PMID: 1315812 [Pub

A systematic review of the evidence supporting a causal link between dietary factors and coronary heart disease. Mente A, de Koning L, Shannon HS, Anand SS. Arch Intern Med. 2009 Apr 13;169(7):659-69. PMID: 19364995

Dietary cis-monounsaturated fatty acids and metabolic control in type 2 diabetes. Ros E. Am J Clin Nutr. 2003 Sep;78(3 Suppl):617S-625S. Review. PMID: 12936956

The effect of select nutrients on serum high-density lipoprotein cholesterol and apolipoprotein A-I levels. Mooradian AD, Haas MJ, Wong NC. Endocr Rev. 2006 Feb;27(1):2-16. Epub 2005 Oct 21. Review. PMID: 16243964 One of the factors contributing to the increased risk of developing premature atherosclerosis is low plasma concentrations of high-density lipoprotein (HDL) cholesterol (HDLc). Multiple potential mechanisms account for the cardioprotective effects of HDL and its main protein apolipoprotein A-I (apo A-I). The low plasma concentrations of HDL could be the result of increased fractional clearance and reduced expression of apo A-I. To this end, nutrients play an important role in modulating the fractional clearance rate, as well as the rate of apo A-I gene expression. Because medical nutrition therapy constitutes the cornerstone of management of dyslipidemias, it is essential to understand the mechanisms underlying the changes in HDL level in response to alterations in dietary intake. In this review, we will discuss the effect of select nutrients on serum HDLc and apo A-I levels. Specifically, we will review the literature on the effect of carbohydrates, fatty acids, and ketones, as well as some of the nutrient-related metabolites, such as glucosamine and the prostanoids, on apo A-I gene expression. Because there are multiple mechanisms involved in the regulation of serum HDLc levels, changes in gene transcription do not necessarily correlate with clinical observations on serum levels of HDLc.

Dietary mono- and polyunsaturated fatty acids similarly affect LDL size in healthy men and women. Kratz M, Gülbahçe E, von Eckardstein A, Cullen P, Cignarella A, Assmann G, Wahrburg U. J Nutr. 2002 Apr;132(4):715-8. PMID: 11925466 In conclusion, our data indicate that dietary unsaturated fat similarly reduces LDL size relative to saturated fat. However, the small magnitude of this reduction also suggests that the composition of dietary fat is not a major factor affecting LDL size.

Review of fat and fatty acid requirements and criteria for developing dietary guidelines. Smit LA, Mozaffarian D, Willett W. Ann Nutr Metab. 2009;55(1-3):44-55. Epub 2009 Sep 15. PMID: 19752535 DOI: 10.1159/000228995

The serum LDL/HDL cholesterol ratio is influenced more favorably by exchanging saturated with unsaturated fat than by reducing saturated fat in the diet of women. Müller H, Lindman AS, Brantsaeter AL, Pedersen JI. J Nutr. 2003 Jan;133(1):78-83. PMID: 12514271 We conclude that, to influence the LDL/HDL cholesterol ratio, changing the proportions of dietary fatty acids may be more important than restricting the percentage of total or saturated fat energy, at least when derived mainly from lauric and myristic acids, both of which increase HDL cholesterol.

Types of dietary fat and risk of coronary heart disease: a critical review. Hu FB, Manson JE, Willett WC. J Am Coll Nutr. 2001 Feb;20(1):5-19. Review. PMID: 11293467