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No detectable effects of acute tryptophan depletion on short-term immune system cytokine levels in healthy adults.
Hildebrandt CS, Helmbold K, Linden M, Langen KJ, Filss CP, Runions KC, Stewart RM, Rao P, Moore JK, Mahfouda S, Morandini HAE, Wong JWY, Rink L, Zepf FD. Hildebrandt CS, et al. Among authors: helmbold k. World J Biol Psychiatry. 2019 Jun;20(5):416-423. doi: 10.1080/15622975.2018.1428357. Epub 2018 Apr 26. World J Biol Psychiatry. 2019. PMID: 29353534 Clinical Trial.
Effects of Dietary Acute Tryptophan Depletion (ATD) on NPY Serum Levels in Healthy Adult Humans Whilst Controlling for Methionine Supply-A Pilot Study.
Wong JWY, Morandini HAE, Dingerkus VLS, Gaber TJ, Runions KC, Rao P, Mahfouda S, Helmbold K, Bubenzer-Busch S, Koenemann R, Stewart RM, Zepf FD. Wong JWY, et al. Among authors: helmbold k. Nutrients. 2018 May 11;10(5):594. doi: 10.3390/nu10050594. Nutrients. 2018. PMID: 29751614 Free PMC article. Clinical Trial.