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van den Brink M, Havermans RC, Fiocco M, Tissing WJE. A longitudinal evaluation of smell and taste function in children with cancer during and after treatment with chemotherapy. Appetite 2024; 193:107174. [PMID: 38128763 DOI: 10.1016/j.appet.2023.107174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
Smell and taste changes are bothersome treatment symptoms interfering with food intake. It remains unclear how and when children with cancer experience such changes during chemotherapy, and if the symptoms resolve after treatment. In this longitudinal study, we measured smell and taste function of 94 childhood cancer patients treated for hematological, solid, or brain malignancies. Smell and taste function were assessed using commercial Sniffin' Sticks and Taste Strips, respectively. For both tests, normative values were used to identify the presence of smell and taste abnormalities. Self-reported chemosensory and appetite changes were assessed using a questionnaire. Measurements were taken approximately 6 weeks (T0), 3 months (T1), 6 months after starting chemotherapy (T2), and 3 months after termination of chemotherapy or maintenance phase for children with acute lymphoblastic leukemia (ALL) (T3). We found that smell and taste scores did not change during active treatment (T0-2). However, approximately 20% of the patients suffered from decreased taste function according to normative values, particularly children with lymphoma or solid tumors. Changes in smell were predominantly characterized as increased rather than decreased. Self-reported changes were much more common than objectively measured, with smell changes ranging from 26 to 53% and taste changes up to 80% during treatment. After active treatment, odor threshold scores decreased in children with ALL during maintenance phase, whereas total taste scores increased in all children at T3. In summary, objectively measured smell and taste function remained stable during active treatment, while at the individual level a fairly large number of children suffered from chemosensory distortions which comprised either increased or decreased sensitivity. Individual dietary advice and coping strategies are warranted to prevent detrimental effects on food intake in children with cancer.
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Affiliation(s)
- Mirjam van den Brink
- Laboratory of Behavioral Gastronomy, Centre for Healthy Eating and Food Innovation, Maastricht University Campus Venlo, PO Box 8, 5900 AA, Venlo, the Netherlands; Princess Máxima Center for Pediatric Oncology, PO Box 113, 3720 AC, Bilthoven, the Netherlands.
| | - Remco C Havermans
- Laboratory of Behavioral Gastronomy, Centre for Healthy Eating and Food Innovation, Maastricht University Campus Venlo, PO Box 8, 5900 AA, Venlo, the Netherlands
| | - Marta Fiocco
- Princess Máxima Center for Pediatric Oncology, PO Box 113, 3720 AC, Bilthoven, the Netherlands; Mathematical Institute, Leiden University, PO Box 9512, 2300 RA, Leiden, the Netherlands; Medical Statistics, Department of Biomedical Data Science, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, the Netherlands
| | - Wim J E Tissing
- Princess Máxima Center for Pediatric Oncology, PO Box 113, 3720 AC, Bilthoven, the Netherlands; Department of Pediatric Oncology and Hematology, University of Groningen, University Medical Center Groningen, PO Box 30001, 9700 RB, Groningen, the Netherlands
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Li P, Wang N, Kai L, Si J, Wang Z. Chronic intranasal corticosteroid treatment induces degeneration of olfactory sensory neurons in normal and allergic rhinitis mice. Int Forum Allergy Rhinol 2023; 13:1889-1905. [PMID: 36800514 DOI: 10.1002/alr.23142] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 01/31/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023]
Abstract
BACKGROUND Nasal eosinophilic inflammation is the therapeutic target for olfactory dysfunction in allergic rhinitis (AR). Intranasal corticosteroids are commonly considered to offer targetable benefit given their immunosuppressive property. However, experimental evidence suggests that continuous corticosteroid exposure may directly cause olfactory damage by disrupting the turnover of olfactory sensory neurons (OSNs). This potentially deleterious effect of corticosteroids calls into question their long-term topical use for treating olfactory loss related to AR. The aim of this study was to assess the impacts of chronic intranasal corticosteroid treatment on olfactory function and OSN population in mice under normal and pathological conditions. METHODS BALB/c mice were intranasally treated with fluticasone propionate (FP, 0.3 mg/kg) for up to 8 weeks. Additional mice were used to establish an ovalbumin-induced mouse model of AR, followed by nasal challenge with ovalbumin for 8 weeks in the presence or absence of intranasal FP treatment. The authors examined olfactory function, OSN existence, neuronal turnover, and nasal inflammation using behavioral test, histological analyses, Western blotting, and enzyme-linked immunosorbent assay. RESULTS Intranasal treatment with FP for 8 weeks (FP-wk8) reduced odor sensitivity in normal mice. This reduction was concomitant with loss of OSNs and the axons projecting to the olfactory bulb, primarily resulting from increased neuronal apoptosis. In FP-wk8 AR mice, intranasal FP treatment attenuated olfactory impairment and eosinophilic inflammation but failed to reconstitute OSN population and axonal projections. CONCLUSION These results suggest that chronic intranasal corticosteroid treatment contributes to OSN degeneration that may reduce the therapeutic effectiveness for AR-related olfactory loss.
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Affiliation(s)
- Pu Li
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Na Wang
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Luo Kai
- Department of Otolaryngology-Head and Neck Surgery, Peking University Shougang Hospital, Beijing, China
| | - Jinyuan Si
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Zhenlin Wang
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital Capital Medical University, Beijing, China
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Ai Y, Yang J, Nie H, Hummel T, Han P. Increased sensitivity to unpleasant odor following acute psychological stress. Horm Behav 2023; 150:105325. [PMID: 36805607 DOI: 10.1016/j.yhbeh.2023.105325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/17/2023]
Abstract
Previous studies have reported increased sensitivity to malodor after acute stress in humans. However, it is unclear whether stress-related "hypersensitivity" to odors depends on odor pleasantness. Forty participants (mean age 19.13 ± 1.14 years, 21 men and 19 women) completed a stress (Trier Social Stress Test, TSST) and a control session in randomized order. Detection threshold to three odors varying in pleasantness (pleasant: β-Citronellol; neutral: 2-Heptanol; unpleasant: 4-Methylpentanoic acid), odor discrimination, odor identification, sensitivity to trigeminal odor, and suprathreshold odor perception were assessed after participants' completion of the stress or the control tasks. Salivary cortisol, subjective stress, and heart rate were assessed throughout the experiment. After TSST, participants showed an increased sensitivity for the unpleasant odor. Moreover, there were correlations between stress-related salivary cortisol and the increased sensitivity for the unpleasant odor (r = 0.32, p = 0.05) and the neutral odor (r = 0.34, p < 0.05). Besides, salivary cortisol response was correlated to the increased odor discrimination performance (Δ stress - control) (r = 0.34, p < 0.05). The post-TSST perceived stress was correlated with decreased odor identification and decreased sensitivity to the unpleasant odor. After stress, participants rated lower pleasantness for β-Citronellol than the control condition. Overall, these results suggest the impact of acute psychological stress on odor sensitivity depends on the odor valence, and that the stress-related cortisol responses may play an important role in this effect.
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Affiliation(s)
- Yun Ai
- Faculty of Psychology, Southwest University, Chongqing, China
| | - Juan Yang
- Faculty of Psychology, Southwest University, Chongqing, China; MOE Key Laboratory of Cognition and Personality, Southwest University, Chongqing, China
| | - Haoyu Nie
- Faculty of Psychology, Southwest University, Chongqing, China
| | - Thomas Hummel
- Interdisciplinary Centre Smell and Taste, Department of Otorhinolaryngology, TU Dresden, Dresden, Germany
| | - Pengfei Han
- Faculty of Psychology, Southwest University, Chongqing, China; MOE Key Laboratory of Cognition and Personality, Southwest University, Chongqing, China.
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Tuluhong M, Han P. Chronic stress is associated with reward and emotion-related eating behaviors in college students. Front Nutr 2023; 9:1025953. [PMID: 36712544 PMCID: PMC9879612 DOI: 10.3389/fnut.2022.1025953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 12/28/2022] [Indexed: 01/15/2023] Open
Abstract
Introduction Stress is related to altered olfactory perception and eating behaviors. The current study investigated the association between chronic stress, food reward and perception of food and non-food odors among college students. Methods Sixty-one participants completed the Perceived Stress Scale (PSS) and the Brief Daily Stressors Screening Tool (BDSST). The detective threshold and suprathreshold perception (pleasantness, intensity, and familiarity) of two food (chocolate, strawberry) odors and a non-food (rose) odor were measured. Food reward and macronutrient preference were measured using the computerized Leeds Food Preference Questionnaire and the Macronutrient and Taste Preference Ranking task, respectively. Reward-related eating, emotional eating and eating-related inhibitory control were measured by the Dutch Eating Behavior Questionnaire (DEBQ) and the Reward-Based Eating Drive Scale (RED) scales. Results Neither the perceived stress or the severity of daily life stressor exposure was related to odor sensitivity, however, the PSS score was significantly correlated with pleasantness for strawberry odor (r = 0.329, p = 0.013). Chronic stress (PSS and BDSST scores) was significantly correlated with the DEBQ emotional eating and reward-related eating measured by RED (all ps < 0.01). Moreover, the BDSST score was negatively correlated with subjective liking for low-calorie sweet foods (r = -0.46, p < 0.001). Discussion Together, our preliminary results suggest disassociated effect of chronic stress on odor perception and eating behaviors.
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Affiliation(s)
| | - Pengfei Han
- Faulty of Psychology, Southwest University, Chongqing, China,MOE Key Laboratory of Cognition and Personality, Chongqing, China,*Correspondence: Pengfei Han,
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Mocci E, Goto T, Chen J, Ament S, Traub RJ, Dorsey SG. Early and Late Transcriptional Changes in Blood, Neural, and Colon Tissues in Rat Models of Stress-Induced and Comorbid Pain Hypersensitivity Reveal Regulatory Roles in Neurological Disease. FRONTIERS IN PAIN RESEARCH 2022; 3:886042. [PMID: 35655748 PMCID: PMC9152010 DOI: 10.3389/fpain.2022.886042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/07/2022] [Indexed: 11/18/2022] Open
Abstract
Background Irritable bowel syndrome (IBS) and temporomandibular disorder (TMD) are two chronic pain conditions that frequently overlap in the same individual, more commonly in women. Stress is a significant risk factor, exacerbating or triggering one or both conditions. However, the mechanisms underlying IBS–TMD co-morbidity are mostly unknown. Aim To detect both specific and common stress-induced visceral hypersensitivity (SIH) and comorbid TMD–IBS pain hypersensitivity (CPH) genetic signatures over time. Method Twenty-four female rats were randomly assigned to one of three experimental groups: naïve, SIH, and CPH (orofacial pain plus stress). RNA was extracted from blood, colon, spinal cord, and dorsal root ganglion 1 or 7 weeks after the stress paradigm. We combined differential gene expression and co-expression network analyses to define both SIH and CPH expression profiles across tissues and time. Results The transcriptomic profile in blood and colon showed increased expression of genes enriched in inflammatory and neurological biological processes in CPH compared to SIH rats, both at 1 and 7 weeks after stress. In lumbosacral spinal tissue, both SIH and CPH rats compared to naïve revealed decreased expression of genes related to synaptic activity and increased expression of genes enriched in “angiogenesis,” “Neurotrophin,” and “PI3K-Akt” pathways. Compared to SIH, CPH rats showed increased expression of angiogenesis-related genes 1 week after exposure to stress, while 7 weeks post-stress the expression of these genes was higher in SIH rats. In dorsal root ganglia (DRG), CPH rats showed decreased expression of immune response genes at week 1 and inhibition of nerve myelination genes at 7 weeks compared to naïve. For all tissues, we observed higher expression of genes involved in ATP production in SIH compared to CPH at 1 week and this was reversed 7 weeks after the induction of stress. Conclusion Our study highlights an increased inflammatory response in CPH compared to SIH rats in the blood and colon. DRG and spinal transcriptomic profiles of both CPH and SIH rats showed inhibition of synaptic activity along with activation of angiogenesis. Targeting these biological processes may lead to a more profound understanding of the mechanisms underlying IBS–TMD comorbidities and new diagnostic and therapeutic strategies.
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Affiliation(s)
- Evelina Mocci
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, University of Maryland Baltimore, Baltimore, MD, United States
- Institute for Genome Sciences, University of Maryland School of Medicine, University of Maryland Baltimore, Baltimore, MD, United States
| | - Taichi Goto
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, University of Maryland Baltimore, Baltimore, MD, United States
| | - Jie Chen
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, University of Maryland Baltimore, Baltimore, MD, United States
| | - Seth Ament
- Institute for Genome Sciences, University of Maryland School of Medicine, University of Maryland Baltimore, Baltimore, MD, United States
| | - Richard J. Traub
- Department of Neural and Pain Sciences, University of Maryland School of Dentistry, University of Maryland Baltimore, Baltimore, MD, United States
- Center to Advance Chronic Pain Research, University of Maryland Baltimore, Baltimore, MD, United States
| | - Susan G. Dorsey
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, University of Maryland Baltimore, Baltimore, MD, United States
- Center to Advance Chronic Pain Research, University of Maryland Baltimore, Baltimore, MD, United States
- *Correspondence: Susan G. Dorsey
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El Hajj A, Herzine A, Calcagno G, Désor F, Djelti F, Bombail V, Denis I, Oster T, Malaplate C, Vigier M, Kaminski S, Pauron L, Corbier C, Yen FT, Lanhers MC, Claudepierre T. Targeted Suppression of Lipoprotein Receptor LSR in Astrocytes Leads to Olfactory and Memory Deficits in Mice. Int J Mol Sci 2022; 23:ijms23042049. [PMID: 35216163 PMCID: PMC8878779 DOI: 10.3390/ijms23042049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/05/2022] [Accepted: 02/11/2022] [Indexed: 12/25/2022] Open
Abstract
Perturbations of cholesterol metabolism have been linked to neurodegenerative diseases. Glia–neuron crosstalk is essential to achieve a tight regulation of brain cholesterol trafficking. Adequate cholesterol supply from glia via apolipoprotein E-containing lipoproteins ensures neuronal development and function. The lipolysis-stimulated lipoprotein receptor (LSR), plays an important role in brain cholesterol homeostasis. Aged heterozygote Lsr+/− mice show altered brain cholesterol distribution and increased susceptibility to amyloid stress. Since LSR expression is higher in astroglia as compared to neurons, we sought to determine if astroglial LSR deficiency could lead to cognitive defects similar to those of Alzheimer’s disease (AD). Cre recombinase was activated in adult Glast-CreERT/lsrfl/fl mice by tamoxifen to induce astroglial Lsr deletion. Behavioral phenotyping of young and old astroglial Lsr KO animals revealed hyperactivity during the nocturnal period, deficits in olfactory function affecting social memory and causing possible apathy, as well as visual memory and short-term working memory problems, and deficits similar to those reported in neurodegenerative diseases, such as AD. Furthermore, GFAP staining revealed astroglial activation in the olfactory bulb. Therefore, astroglial LSR is important for working, spatial, and social memory related to sensory input, and represents a novel pathway for the study of brain aging and neurodegeneration.
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Affiliation(s)
- Aseel El Hajj
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
- Correspondence: (A.E.H.); (T.C.); Tel.: +33-(0)4-8110-6500 (A.E.H.); +33-(0)3-7274-4152 (T.C.)
| | - Ameziane Herzine
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Gaetano Calcagno
- UR 7300, Stress Immunity Pathogens Laboratory, Faculty of Medicine, University of Lorraine, 54500 Vandœuvre-lès-Nancy, France; (G.C.); (S.K.)
| | - Frédéric Désor
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Fathia Djelti
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Vincent Bombail
- UMR 914, Physiology of Nutrition and Feeding Behaviour, INRAE-Agroparistech-Université Paris-Saclay, 78352 Jouy-en-Josas, France; (V.B.); (I.D.)
| | - Isabelle Denis
- UMR 914, Physiology of Nutrition and Feeding Behaviour, INRAE-Agroparistech-Université Paris-Saclay, 78352 Jouy-en-Josas, France; (V.B.); (I.D.)
| | - Thierry Oster
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Catherine Malaplate
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Maxime Vigier
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Sandra Kaminski
- UR 7300, Stress Immunity Pathogens Laboratory, Faculty of Medicine, University of Lorraine, 54500 Vandœuvre-lès-Nancy, France; (G.C.); (S.K.)
| | - Lynn Pauron
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Catherine Corbier
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Frances T. Yen
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Marie-Claire Lanhers
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
| | - Thomas Claudepierre
- UR AFPA Laboratory, Qualivie Team, University of Lorraine, 54505 Vandoeuvre-lès-Nancy, France; (A.H.); (F.D.); (F.D.); (T.O.); (C.M.); (M.V.); (L.P.); (C.C.); (F.T.Y.); (M.-C.L.)
- Correspondence: (A.E.H.); (T.C.); Tel.: +33-(0)4-8110-6500 (A.E.H.); +33-(0)3-7274-4152 (T.C.)
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Cortese BM, Uhde TW, Schumann AY, McTeague LM, Sege CT, Calhoun CD, Danielson CK. Anxiety-related shifts in smell function in children and adolescents. Chem Senses 2021; 46:6484889. [PMID: 34958383 PMCID: PMC8711292 DOI: 10.1093/chemse/bjab051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Anxious adults show changes in smell function that are consistent with a durable shift in sensitivity toward particular odorants and away from others. Little is known regarding the development of these changes, including whether they exist in youth, are stable during the transition from childhood to adolescence, and whether odorant properties (e.g. trigeminal features, hedonic valence) affect anxiety-related differences in detection. To address this, we measured smell detection thresholds to phenyl ethyl alanine (PEA), a rose-like odorant with little trigeminal properties, and guaiacol (GUA), a smoke-like odorant with high trigeminal properties. These thresholds were measured at baseline and after an acute stress challenge, the Trier Social Stress Tests, in 131 healthy youth (in 4th, 7th, and 10th grades, age 9-16 years) that reported normal to elevated levels of anxiety. At baseline, high anxious youth exhibited heightened sensitivity to GUA coupled with reduced sensitivity to PEA, as well as a further exaggeration of this bias with acute stress. Importantly, sex, age, and hedonic valence moderated the relationship between trait anxiety and sensitivity to both odorants. Smell function and its aberrations are often overlooked in the literature on biomarkers of stress and anxiety. Taken together with the extant literature, these findings suggest that greater attention is warranted to characterize potential novel olfactory therapeutic targets-across the lifespan.
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Affiliation(s)
- Bernadette M Cortese
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA,Corresponding author: Bernadette M. Cortese, Department of Psychiatry and Behavioral Sciences, The Medical University of South Carolina, 67 President Street, BA 504F, Charleston, SC 29425, USA. e-mail:
| | - Thomas W Uhde
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Aicko Y Schumann
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Lisa M McTeague
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA,Ralph H. Johnson VA Medical Center, Charleston, SC, USA
| | - Christopher T Sege
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Casey D Calhoun
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Carla Kmett Danielson
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
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Bryche B, Baly C, Meunier N. Modulation of olfactory signal detection in the olfactory epithelium: focus on the internal and external environment, and the emerging role of the immune system. Cell Tissue Res 2021; 384:589-605. [PMID: 33961125 PMCID: PMC8102665 DOI: 10.1007/s00441-021-03467-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 04/26/2021] [Indexed: 12/18/2022]
Abstract
Detection and discrimination of odorants by the olfactory system plays a pivotal role in animal survival. Olfactory-based behaviors must be adapted to an ever-changing environment. Part of these adaptations includes changes of odorant detection by olfactory sensory neurons localized in the olfactory epithelium. It is now well established that internal signals such as hormones, neurotransmitters, or paracrine signals directly affect the electric activity of olfactory neurons. Furthermore, recent data have shown that activity-dependent survival of olfactory neurons is important in the olfactory epithelium. Finally, as olfactory neurons are directly exposed to environmental toxicants and pathogens, the olfactory epithelium also interacts closely with the immune system leading to neuroimmune modulations. Here, we review how detection of odorants can be modulated in the vertebrate olfactory epithelium. We choose to focus on three cellular types of the olfactory epithelium (the olfactory sensory neuron, the sustentacular and microvillar cells) to present the diversity of modulation of the detection of odorant in the olfactory epithelium. We also present some of the growing literature on the importance of immune cells in the functioning of the olfactory epithelium, although their impact on odorant detection is only just beginning to be unravelled.
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Affiliation(s)
- Bertrand Bryche
- Université Paris-Saclay, INRAE, UVSQ, 78350, Jouy-en-Josas, VIM, France
| | - Christine Baly
- Université Paris Saclay, INRAE, UVSQ, BREED, 78350, Jouy-en-Josas, France
| | - Nicolas Meunier
- Université Paris-Saclay, INRAE, UVSQ, 78350, Jouy-en-Josas, VIM, France.
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Dewaele A, Badonnel K, Persuy MA, Durieux D, Bombail V, Favreau-Peigné A, Baly C. Effect of environmental exposure to a maternally-learned odorant on anxiety-like behaviors at weaning in mice. Anim Cogn 2020; 23:881-891. [PMID: 32394146 DOI: 10.1007/s10071-020-01393-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/21/2020] [Accepted: 04/29/2020] [Indexed: 11/25/2022]
Abstract
Early sensory experience, such as exposure to maternal or other environmental factors, is considered to influence neurocognitive development and behaviors. In many species, exposure to odorants during pregnancy or lactation impacts the morpho-functional development of the olfactory circuitry with changes in olfactory sensitivity, feeding behavior and food preferences at birth or later. However, few studies have investigated the impact of a perinatal exposure to odorants on the anxiety-like behavior of animals to stressfull stimuli. Here, we exposed mice to heptaldehyde (HEP) during pregnancy and lactation and measured the anxiety-like behavior of their offspring to stress-inducing novel stimuli at weaning in presence or absence of odorants. We applied a combined social and maternal separation as a stressor and measured the anxiety-like behavior in an open field (OF) in presence of two odorants, HEP or α-pinene (AP) as a control odorant. Although the presence of the odorant during the social separation did not influence anxiety-like behavior, we found that, if mice born to non-odorized mothers exhibited a decreased exploratory behavior in the presence of both odorants, the effect was restricted to AP for the mice perinatally exposed to HEP. These results show that anxiety-like behaviors during a stress-inducing event could be reduced by the presence of a familiar odorant. We propose that the recall of an early olfactory experience could contribute to the improvement of animal welfare in various situations associated with husbandry practices.
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Affiliation(s)
- Aurélie Dewaele
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
| | - Karine Badonnel
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
| | - Marie-Annick Persuy
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
| | - Didier Durieux
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
| | - Vincent Bombail
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France
| | - Angélique Favreau-Peigné
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
| | - Christine Baly
- Université Paris-Saclay, INRAE, NBO, 78350, Jouy-en-Josas, France.
- Université Paris Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France.
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