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Chronic l-menthol-induced browning of white adipose tissue hypothesis: A putative therapeutic regime for combating obesity and improving metabolic health.
Med Hypotheses. 2016 Aug; 93:21-6.MH

Abstract

INTRODUCTION

Obesity constitutes a serious global health concern reaching pandemic prevalence rates. The existence of functional brown adipose tissue (BAT) in adult humans has provoked intense research interest in the role of this metabolically active tissue in whole-body energy balance and body weight regulation. A number of environmental, physiological, pathological, and pharmacological stimuli have been proposed to induce BAT-mediated thermogenesis and functional thermogenic BAT-like activity in white adipose tissue (WAT), opening new avenues for therapeutic strategies based on enhancing the number of beige adipocytes in WAT.

HYPOTHESIS

Recent evidence support a role of l-menthol cooling, mediated by TRPM8 receptor, on UCP1-dependent thermogenesis and BAT-like activity in classical WAT depots along with the recruitment of BAT at specific anatomical sites. l-Menthol-induced BAT thermogenesis has been suggested to occur by a β-adrenergic-independent mechanism, avoiding potential side-effects due to extensive β-adrenergic stimulation mediated by available beta receptor agonists. l-Menthol has been also linked to the activation of the cold-gated ion channel TRPA1. However, its role in l-menthol-induced UCP1-dependent thermogenic activity in BAT and WAT remains undetermined. White adipose tissue plasticity has important clinical implications for obesity prevention and/or treatment because higher levels of UCP1-dependent thermogenesis can lead to enhanced energy expenditure at a considerable extent. We hypothesize that chronic dietary l-menthol treatment could induce TRPM8- and TRPA1-dependent WAT adaptations, resembling BAT-like activity, and overall improve whole-body metabolic health in obese and overweight individuals.

CONCLUSIONS

The putative impact of chronic l-menthol dietary treatment on the stimulation of BAT-like activity in classical WAT depots in humans remains unknown. A detailed experimental design has been proposed to investigate the hypothesized l-menthol-induced browning of WAT. If our hypothesis was to be confirmed, TRPM8/TRPA1-induced metabolic adaptations of WAT to BAT-like activity could provide a promising novel therapeutic approach for increasing energy expenditure, regulating body weight, and preventing obesity and its related co-morbidities in humans.

Authors+Show Affiliations

Institute of Research and Technology Thessaly, Centre for Research and Technology Hellas, Trikala, Greece; FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece.FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece; Department of Human Physiology, Vrije Universiteit Brussel, Brussels, Belgium.FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece; Department of Exercise Science, Chatham University, Pittsburgh, PA, USA.Faculty of Education, Health and Wellbeing, Wolverhampton University, Walsall Campus, UK.Institute of Biochemistry of Biologically Active Compounds, National Academy of Sciences of Belarus, Grodno, Belarus.FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece.FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece; Faculty of Education, Health and Wellbeing, Wolverhampton University, Walsall Campus, UK.Endocrine Division (SEMPR), Department of Internal Medicine, Federal University of Parana, Curitiba, Brazil.Department of Chemistry, Federal University of Mato Grosso, Cuiabá, Mato Grosso, Brazil.Department of Molecular and Clinical Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.Department of Chemistry, Federal University of Mato Grosso, Cuiabá, Mato Grosso, Brazil.Institute of Research and Technology Thessaly, Centre for Research and Technology Hellas, Trikala, Greece; FAME Laboratory, Department of Exercise Sciences, University of Thessaly, Trikala, Greece. Electronic address: andreasflouris@gmail.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27372851

Citation

Sakellariou, Paraskevi, et al. "Chronic L-menthol-induced Browning of White Adipose Tissue Hypothesis: a Putative Therapeutic Regime for Combating Obesity and Improving Metabolic Health." Medical Hypotheses, vol. 93, 2016, pp. 21-6.
Sakellariou P, Valente A, Carrillo AE, et al. Chronic l-menthol-induced browning of white adipose tissue hypothesis: A putative therapeutic regime for combating obesity and improving metabolic health. Med Hypotheses. 2016;93:21-6.
Sakellariou, P., Valente, A., Carrillo, A. E., Metsios, G. S., Nadolnik, L., Jamurtas, A. Z., Koutedakis, Y., Boguszewski, C., Andrade, C. M., Svensson, P. A., Kawashita, N. H., & Flouris, A. D. (2016). Chronic l-menthol-induced browning of white adipose tissue hypothesis: A putative therapeutic regime for combating obesity and improving metabolic health. Medical Hypotheses, 93, 21-6. https://doi.org/10.1016/j.mehy.2016.05.006
Sakellariou P, et al. Chronic L-menthol-induced Browning of White Adipose Tissue Hypothesis: a Putative Therapeutic Regime for Combating Obesity and Improving Metabolic Health. Med Hypotheses. 2016;93:21-6. PubMed PMID: 27372851.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Chronic l-menthol-induced browning of white adipose tissue hypothesis: A putative therapeutic regime for combating obesity and improving metabolic health. AU - Sakellariou,Paraskevi, AU - Valente,Angelica, AU - Carrillo,Andres E, AU - Metsios,George S, AU - Nadolnik,Liliya, AU - Jamurtas,Athanasios Z, AU - Koutedakis,Yiannis, AU - Boguszewski,Cesar, AU - Andrade,Cláudia Marlise Balbinotti, AU - Svensson,Per-Arne, AU - Kawashita,Nair Honda, AU - Flouris,Andreas D, Y1 - 2016/05/11/ PY - 2016/02/19/received PY - 2016/05/09/accepted PY - 2016/7/4/entrez PY - 2016/7/4/pubmed PY - 2017/6/16/medline KW - Brown adipose tissue KW - Metabolism KW - Obesity KW - Overweight KW - TRPA1 KW - TRPM8 KW - Thermogenesis KW - UCP1 KW - White adipose tissue KW - l-Menthol SP - 21 EP - 6 JF - Medical hypotheses JO - Med. Hypotheses VL - 93 N2 - INTRODUCTION: Obesity constitutes a serious global health concern reaching pandemic prevalence rates. The existence of functional brown adipose tissue (BAT) in adult humans has provoked intense research interest in the role of this metabolically active tissue in whole-body energy balance and body weight regulation. A number of environmental, physiological, pathological, and pharmacological stimuli have been proposed to induce BAT-mediated thermogenesis and functional thermogenic BAT-like activity in white adipose tissue (WAT), opening new avenues for therapeutic strategies based on enhancing the number of beige adipocytes in WAT. HYPOTHESIS: Recent evidence support a role of l-menthol cooling, mediated by TRPM8 receptor, on UCP1-dependent thermogenesis and BAT-like activity in classical WAT depots along with the recruitment of BAT at specific anatomical sites. l-Menthol-induced BAT thermogenesis has been suggested to occur by a β-adrenergic-independent mechanism, avoiding potential side-effects due to extensive β-adrenergic stimulation mediated by available beta receptor agonists. l-Menthol has been also linked to the activation of the cold-gated ion channel TRPA1. However, its role in l-menthol-induced UCP1-dependent thermogenic activity in BAT and WAT remains undetermined. White adipose tissue plasticity has important clinical implications for obesity prevention and/or treatment because higher levels of UCP1-dependent thermogenesis can lead to enhanced energy expenditure at a considerable extent. We hypothesize that chronic dietary l-menthol treatment could induce TRPM8- and TRPA1-dependent WAT adaptations, resembling BAT-like activity, and overall improve whole-body metabolic health in obese and overweight individuals. CONCLUSIONS: The putative impact of chronic l-menthol dietary treatment on the stimulation of BAT-like activity in classical WAT depots in humans remains unknown. A detailed experimental design has been proposed to investigate the hypothesized l-menthol-induced browning of WAT. If our hypothesis was to be confirmed, TRPM8/TRPA1-induced metabolic adaptations of WAT to BAT-like activity could provide a promising novel therapeutic approach for increasing energy expenditure, regulating body weight, and preventing obesity and its related co-morbidities in humans. SN - 1532-2777 UR - https://www.unboundmedicine.com/medline/citation/27372851/Chronic_l_menthol_induced_browning_of_white_adipose_tissue_hypothesis:_A_putative_therapeutic_regime_for_combating_obesity_and_improving_metabolic_health_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0306-9877(16)30093-7 DB - PRIME DP - Unbound Medicine ER -