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. Author manuscript; available in PMC: 2024 Jan 11.
Published in final edited form as: Obesity (Silver Spring). 2021 Feb;29(2):337–349. doi: 10.1002/oby.23065

Figure 4.

Figure 4

Kynurenine (Kyn) plasma levels are dependent on age in women with obesity but not lean women. Kyn and tryptophan (Trp) plasma levels and BMI were determined for 60 human females aged 18 to 75. (A) Age and Kyn plasma levels were plotted for lean/overweight women (BMI = 19 to < 30) (left panel) and women with obesity (BMI ≥30) (right panel). (B) Plasma Trp and Kyn levels were plotted for lean/overweight women (left panel) and women with obesity (right panel). (C) Plasma Trp levels and age were plotted for lean/overweight women (left panel) and women with obesity (right panel). (D) Plasma Kyn/Trp ratio and age were plotted for lean/overweight women (left panel) and women with obesity (right panel). (E) BMI and age and (F) plasma Kyn levels and BMI were plotted for all 60 patients.