tryptophan and Mood Disorders

tryptophan has been researched along with Mood Disorders in 48 studies

Research

Studies (48)

Timeframe	Studies, this research(%)	All Research%
pre-1990	6 (12.50)	18.7374
1990's	8 (16.67)	18.2507
2000's	13 (27.08)	29.6817
2010's	15 (31.25)	24.3611
2020's	6 (12.50)	2.80

Authors

Authors	Studies
Gordon, M; Liu, ZF; Sundram, S; Sylivris, A	1
Blasiak, J; Błońska, A; Chojnacki, C; Chojnacki, J; Gąsiorowska, A; Konrad, P; Popławski, T; Zajdler, R	1
Brummer, RJ; Hutchinson, AN; König, J; Rangel, I; Rode, J; Venizelos, N; Vumma, R; Wall, R; Yang, L	1
Blasiak, J; Chojnacki, C; Chojnacki, J; Fila, M; Konrad, P; Popławski, T	1
Ajioka, Y; Cho, T; Goto, S; Kaneko, Y; Narita, I; Ohashi, R; Sato, H; Uchiumi, T; Wakamatsu, A	1
Douglas, SD; Evans, DL; Kinder, A; Pappa, V; Rappaport, J; Spitsin, S	1
Arnone, D; Dantzer, R; Salem, H; Saraykar, S; Selvaraj, S; Teixeira, AL	1
Farzi, A; Hassan, AM; Holzer, P; Zenz, G	1
Butler, MI; Cryan, JF; Dinan, TG; Sandhu, K	1
da Silva, TL; Ravindran, AV	1
Fuchs, D; Mangge, H; Postolache, TT; Reininghaus, EZ; Stelzer, I; Weghuber, D	1
Berger, K; Fuchs, D; Strasser, B	1
Parazzini, F	1
Eggermann, T; Eisert, A; Eisner, P; Klasen, M; Mathiak, K; Mathiak, KA; Sarkheil, P; Wolf, D; Zepf, F; Zerres, K; Zvyagintsev, M	1
Markus, CR	1
Robinson, OJ; Sahakian, BJ	1
Blokland, A; Ferrington, L; Kelly, PA; Kenis, G; Lieben, CK; Prickaerts, J; Steinbusch, HW; van Donkelaar, EL	1
Bechter, K; Fuchs, D; Herzog, S; Maxeiner, HG; Reiber, H; Tumani, H	1
Amar, S; Benjamin, J; Bersudsky, Y; Klein, E; Toker, L	1
Kulikov, AV; Popova, NK	1
Brotchie, H; Parker, G	1
Budac, DP; Gulinello, M; Li, Y; Pehrson, AL; Sánchez, C	1
Coppola, A; Ilkayeva, O; Levin, ED; Maggioni, M; Newgard, CB; Slotkin, TA; Stevens, RD; Wenner, BR	1
Klaassen, T; Riedel, WJ; Schmitt, JA	1
Griez, E; Schruers, K	1
Benkelfat, C; Leyton, M; Pun, VK; Young, SN	1
Sanders-Bush, E; Sodhi, MS	1
Nordin, C; Sjödin, I	1
Croft, RJ; Harrison, BJ; Leung, S; Nathan, PJ; O'Neill, BV; Phan, KL; Pipingas, A; Scholes, KE	1
Landrø, NI; Lappalainen, J; Lunde, H; Magnusson, A; Neumeister, A; Refsum, H; Walderhaug, E	1
Akiskal, HS; Akiskal, KK; Gonda, X; Rihmer, Z	1
Bunney, WE	1
Crisp, AH	1
Baldwin, D; Rudge, S	1
Annable, L; Bélanger, MC; Steinberg, S; Young, SN	1
Benkelfat, C; Blier, P; Ellenbogen, MA; Ghadirian, AM; Leyton, M; Palmour, RM; Young, SN	1
Anderson, GM; Fensterheim, L; Kakuma, T; Khait, V; McBride, PA; Pfeffer, CR	1
Chen, YR; Cloninger, CR; Johnson, BA; Swann, AC	1
Deutz, NE; Honig, A; Klaassen, T; Riedel, WJ; van Praag, HM; van Someren, A	1
Allen, J; Delgado, PL; Gelenberg, AJ; Heninger, GR; McKnight, KM; Moreno, FA; Phillips, AP; Potter, RL	1
Van der Does, AJ	1
Aberg-Wistedt, A; El-Khoury, A; Johnson, L; Mathé, AA; Stain-Malmgren, R	1
Deutz, NE; Klaassen, T; Riedel, WJ; Van Praag, HM	1
Richter, R; Wirz-Justice, A	1
Brown, GM; Kennedy, SH; Levitt, AJ; Stern, K	1
von Lerber-Good, WF	1
Brewerton, TD; Heffernan, MM; Rosenthal, NE	1
Maurizi, CP	1

Reviews

17 review(s) available for tryptophan and Mood Disorders

Article	Year
The association between tryptophan levels and postpartum mood disorders: a systematic review and meta-analysis. BMC psychiatry, 2022, 08-08, Volume: 22, Issue:1 Topics: Depression, Postpartum; Female; Humans; Mood Disorders; Postpartum Period; Pregnancy; Puerperal Disorders; Tryptophan	2022
Role of Kynurenine pathway and its metabolites in mood disorders: A systematic review and meta-analysis of clinical studies. Neuroscience and biobehavioral reviews, 2018, Volume: 92 Topics: Humans; Kynurenic Acid; Kynurenine; Mood Disorders; Quinolinic Acid; Serotonin; Signal Transduction; Tryptophan	2018
Diabesity and mood disorders: Multiple links through the microbiota-gut-brain axis. Molecular aspects of medicine, 2019, Volume: 66 Topics: Brain; Diabetes Mellitus, Type 2; Dysbiosis; Endocannabinoids; Fatty Acids, Volatile; Gastrointestinal Microbiome; Humans; Mood Disorders; Obesity; Prevalence; Tryptophan	2019
Complementary and alternative therapies as add-on to pharmacotherapy for mood and anxiety disorders: a systematic review. Journal of affective disorders, 2013, Sep-25, Volume: 150, Issue:3 Topics: Anxiety Disorders; Combined Modality Therapy; Complementary Therapies; Fatty Acids, Omega-3; Female; Humans; Male; Meditation; Mood Disorders; Phototherapy; S-Adenosylmethionine; Tryptophan; Yoga	2013
Disturbed tryptophan metabolism in cardiovascular disease. Current medicinal chemistry, 2014, Volume: 21, Issue:17 Topics: Aging; Animals; Cardiovascular Diseases; Cardiovascular System; Humans; Inflammation; Mood Disorders; Sepsis; Tryptophan	2014
Resveratrol, tryptophanum, glycine and vitamin E: a nutraceutical approach to sleep disturbance and irritability in peri- and post-menopause. Minerva ginecologica, 2015, Volume: 67, Issue:1 Topics: Animals; Dietary Supplements; Female; Functional Food; Glycine; Humans; Mood Disorders; Perimenopause; Postmenopause; Resveratrol; Sleep Wake Disorders; Stilbenes; Tryptophan; Vitamin E	2015
Dietary amino acids and brain serotonin function; implications for stress-related affective changes. Neuromolecular medicine, 2008, Volume: 10, Issue:4 Topics: Animals; Brain Chemistry; Dietary Carbohydrates; Food, Formulated; Humans; Lactalbumin; Limbic System; Mood Disorders; Serotonin; Stress, Psychological; Tryptophan	2008
The biology of tryptophan depletion and mood disorders. The Israel journal of psychiatry and related sciences, 2010, Volume: 47, Issue:1 Topics: Animals; Antidepressive Agents; Brain; Depressive Disorder; Diet; Diet Therapy; Feedback, Psychological; Humans; Mood Disorders; Serotonin; Time Factors; Treatment Outcome; Tryptophan; Tryptophan Hydroxylase	2010
Targeting tryptophan hydroxylase 2 in affective disorder. Expert opinion on therapeutic targets, 2010, Volume: 14, Issue:11 Topics: Animals; Antidepressive Agents; Drug Design; Drug Resistance; Enzyme Inhibitors; Genetic Predisposition to Disease; Humans; Mood Disorders; Polymorphism, Genetic; Psychotropic Drugs; Serotonin; Tryptophan; Tryptophan Hydroxylase	2010
Mood effects of the amino acids tryptophan and tyrosine: 'Food for Thought' III. Acta psychiatrica Scandinavica, 2011, Volume: 124, Issue:6 Topics: Antidepressive Agents; Biological Availability; Catecholamines; Clinical Trials as Topic; Depression; Humans; Mood Disorders; Neurotransmitter Agents; Nutritional Requirements; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine	2011
Tryptophan, mood, and cognitive function. Brain, behavior, and immunity, 2002, Volume: 16, Issue:5 Topics: Affect; Attention; Cognition; Cognition Disorders; Depressive Disorder; Humans; Memory; Memory Disorders; Mood Disorders; Serotonin; Tryptophan	2002
Serotonin and brain development. International review of neurobiology, 2004, Volume: 59 Topics: Animals; Anxiety; Autistic Disorder; Brain; Brain Chemistry; Down Syndrome; Humans; Learning; Models, Animal; Mood Disorders; Neuronal Plasticity; Receptors, Serotonin; Schizophrenia; Serotonin; Stress, Physiological; Synapses; Tryptophan	2004
Sleep, activity, nutrition and mood. The British journal of psychiatry : the journal of mental science, 1980, Volume: 137 Topics: Adolescent; Anorexia Nervosa; Body Weight; Diet; Electroencephalography; Female; Humans; Mood Disorders; Neurotic Disorders; Sleep Wake Disorders; Tryptophan	1980
The role of serotonin in depression and anxiety. International clinical psychopharmacology, 1995, Volume: 9 Suppl 4 Topics: Anxiety Disorders; Depressive Disorder; Drug Design; Humans; Mood Disorders; Receptors, Serotonin; Serotonin; Tryptophan	1995
The effects of tryptophan depletion on mood and psychiatric symptoms. Journal of affective disorders, 2001, Volume: 64, Issue:2-3 Topics: Anorexia Nervosa; Bipolar Disorder; Brain; Bulimia; Cognition Disorders; Depressive Disorder, Major; Humans; Mood Disorders; Obsessive-Compulsive Disorder; Recurrence; Serotonin; Severity of Illness Index; Substance-Related Disorders; Tryptophan	2001
Neurotransmitter precursor therapies in affective disorders. International journal for vitamin and nutrition research. Supplement = Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Supplement, 1986, Volume: 29 Topics: Adolescent; Adult; Aged; Amines; Carboxy-Lyases; Child; Child, Preschool; Clinical Trials as Topic; Double-Blind Method; Emotions; Ethics, Medical; Female; Humans; Longitudinal Studies; Male; Middle Aged; Monoamine Oxidase Inhibitors; Mood Disorders; Neurotransmitter Agents; Norepinephrine; Protein Precursors; Serotonin; Synapses; Tryptophan; Tyrosine	1986
Psychiatric aspects of the relationship between eating and mood. Nutrition reviews, 1986, Volume: 44 Suppl Topics: Amino Acids; Appetite; Brain; Feeding and Eating Disorders; Feeding Behavior; Humans; Mood Disorders; Tryptophan	1986

Trials

13 trial(s) available for tryptophan and Mood Disorders

Article	Year
Effect of aprepitant on kynurenine to tryptophan ratio in cART treated and cART naïve adults living with HIV. Medicine, 2021, Jun-11, Volume: 100, Issue:23 Topics: Adult; Anti-HIV Agents; Aprepitant; CD4 Lymphocyte Count; Double-Blind Method; Drug Therapy, Combination; Female; HIV Infections; Humans; Kynurenine; Male; Mood Disorders; Neuroimmunomodulation; Neurokinin-1 Receptor Antagonists; Ritonavir; Treatment Outcome; Tryptophan	2021
Effects of a caloric restriction weight loss diet on tryptophan metabolism and inflammatory biomarkers in overweight adults. European journal of nutrition, 2015, Volume: 54, Issue:1 Topics: Austria; Biomarkers; Body Mass Index; Caloric Restriction; Diet, Reducing; Female; Humans; Inflammation Mediators; Kynurenine; Leptin; Male; Middle Aged; Mood Disorders; Neopterin; Overweight; Phenylalanine; Risk; Tryptophan; Tyrosine; Weight Loss	2015
Cortico-limbic connectivity in MAOA-L carriers is vulnerable to acute tryptophan depletion. Human brain mapping, 2017, Volume: 38, Issue:3 Topics: Adult; Cerebral Cortex; Cross-Over Studies; Double-Blind Method; Functional Laterality; Gene-Environment Interaction; Genotype; Humans; Image Processing, Computer-Assisted; Limbic System; Magnetic Resonance Imaging; Male; Monoamine Oxidase; Mood Disorders; Neural Pathways; Oxygen; Tryptophan; Young Adult	2017
A double dissociation in the roles of serotonin and mood in healthy subjects. Biological psychiatry, 2009, Jan-01, Volume: 65, Issue:1 Topics: Adult; Affect; Cognition; Cross-Over Studies; Double-Blind Method; Female; Humans; Male; Mood Disorders; Placebos; Psychomotor Performance; Serotonin; Tryptophan	2009
Acute serotonin and dopamine depletion improves attentional control: findings from the stroop task. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2007, Volume: 32, Issue:7 Topics: Adult; Attention; Biogenic Monoamines; Brain; Brain Chemistry; Dopamine; Double-Blind Method; Humans; Male; Mood Disorders; Neural Pathways; Neuropsychological Tests; Placebos; Schizophrenia; Serotonin; Synaptic Transmission; Tryptophan; Tyrosine	2007
Interactive effects of sex and 5-HTTLPR on mood and impulsivity during tryptophan depletion in healthy people. Biological psychiatry, 2007, Sep-15, Volume: 62, Issue:6 Topics: Adult; Affect; Depressive Disorder, Major; Double-Blind Method; Female; Genotype; Humans; Impulsive Behavior; Male; Mood Disorders; Norway; Polymorphism, Genetic; Prevalence; Promoter Regions, Genetic; Serotonin; Serotonin Plasma Membrane Transport Proteins; Tryptophan	2007
The effect of tryptophan depletion on mood in medication-free, former patients with major affective disorder. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 1997, Volume: 16, Issue:4 Topics: Adult; Affect; Diet; Double-Blind Method; Female; Humans; Male; Middle Aged; Mood Disorders; Psychiatric Status Rating Scales; Tryptophan	1997
Peripheral serotonin measures in prepubertal psychiatric inpatients and normal children: associations with suicidal behavior and its risk factors. Biological psychiatry, 1998, Oct-01, Volume: 44, Issue:7 Topics: Attention Deficit and Disruptive Behavior Disorders; Blood Platelets; Child; Female; Humans; Inpatients; Male; Mental Disorders; Mood Disorders; Platelet Aggregation; Psychiatric Status Rating Scales; Receptors, Serotonin; Risk Factors; Serotonin; Suicide; Suicide, Attempted; Tryptophan	1998
Mood effects of 24-hour tryptophan depletion in healthy first-degree relatives of patients with affective disorders. Biological psychiatry, 1999, Aug-15, Volume: 46, Issue:4 Topics: Adolescent; Cross-Over Studies; Depression; Double-Blind Method; Family; Female; Genetic Predisposition to Disease; Humans; Male; Middle Aged; Mood Disorders; Psychiatric Status Rating Scales; Reference Values; Sex Characteristics; Tryptophan	1999
Tryptophan depletion and depressive vulnerability. Biological psychiatry, 1999, Aug-15, Volume: 46, Issue:4 Topics: Adult; Aged; Biomarkers; Cross-Over Studies; Depression; Double-Blind Method; Female; Genetic Predisposition to Disease; Humans; Male; Mood Disorders; Psychiatric Status Rating Scales; Recurrence; Serotonin; Sex Characteristics; Tryptophan	1999
Tryptophan depletion in lithium-stabilized patients with affective disorder. The international journal of neuropsychopharmacology, 2001, Volume: 4, Issue:4 Topics: Adrenocorticotropic Hormone; Adult; Affect; Aged; Amino Acids; Antimanic Agents; Bipolar Disorder; Double-Blind Method; Female; Humans; Hydrocortisone; Lithium; Male; Middle Aged; Mood Disorders; Prolactin; Serotonin; Tryptophan	2001
Mood congruent memory bias induced by tryptophan depletion. Psychological medicine, 2002, Volume: 32, Issue:1 Topics: Adolescent; Adult; Depression; Female; Humans; Male; Memory; Middle Aged; Mood Disorders; Tryptophan	2002
Neurotransmitter precursor therapies in affective disorders. International journal for vitamin and nutrition research. Supplement = Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Supplement, 1986, Volume: 29 Topics: Adolescent; Adult; Aged; Amines; Carboxy-Lyases; Child; Child, Preschool; Clinical Trials as Topic; Double-Blind Method; Emotions; Ethics, Medical; Female; Humans; Longitudinal Studies; Male; Middle Aged; Monoamine Oxidase Inhibitors; Mood Disorders; Neurotransmitter Agents; Norepinephrine; Protein Precursors; Serotonin; Synapses; Tryptophan; Tyrosine	1986

Other Studies

19 other study(ies) available for tryptophan and Mood Disorders

Article	Year
Reduced Intake of Dietary Tryptophan Improves Beneficial Action of Budesonide in Patients with Lymphocytic Colitis and Mood Disorders. Nutrients, 2023, Mar-30, Volume: 15, Issue:7 Topics: Budesonide; Colitis, Lymphocytic; Diet; Humans; Hydroxyindoleacetic Acid; Kynurenine; Mood Disorders; Tryptophan	2023
Butyrate Rescues Oxidative Stress-Induced Transport Deficits of Tryptophan: Potential Implication in Affective or Gut-Brain Axis Disorders. Neuropsychobiology, 2021, Volume: 80, Issue:3 Topics: Amino Acid Transport Systems; Brain; Butyrates; Fibroblasts; Gastrointestinal Microbiome; Gene Expression; Humans; Mood Disorders; Oxidative Stress; Tryptophan	2021
Tryptophan Intake and Metabolism in Older Adults with Mood Disorders. Nutrients, 2020, Oct-18, Volume: 12, Issue:10 Topics: Adult; Age Factors; Aged; Aged, 80 and over; Depression; Dietary Supplements; Eating; Female; Humans; Kynurenine; Male; Middle Aged; Mood Disorders; Nutritional Physiological Phenomena; Serotonin; Severity of Illness Index; Signal Transduction; Tryptophan	2020
Mood Disorder in Systemic Lupus Erythematosus Induced by Antiribosomal P Protein Antibodies Associated with Decreased Serum and Brain Tryptophan. Journal of immunology (Baltimore, Md. : 1950), 2021, 04-15, Volume: 206, Issue:8 Topics: Animals; Antibodies, Monoclonal; Antigen-Antibody Complex; Autoantibodies; Brain; Dietary Supplements; Humans; Hybridomas; Lupus Erythematosus, Systemic; Macrophages; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mood Disorders; Phosphoproteins; Receptors, IgG; Ribosomal Proteins; Serum; Tryptophan; Tumor Necrosis Factor-alpha	2021
From isoniazid to psychobiotics: the gut microbiome as a new antidepressant target. British journal of hospital medicine (London, England : 2005), 2019, Mar-02, Volume: 80, Issue:3 Topics: Antidepressive Agents; Anxiety Disorders; Bifidobacterium; Brain; Depressive Disorder; Gastrointestinal Microbiome; Humans; Hypothalamo-Hypophyseal System; Immunomodulation; Isoniazid; Lactobacillus; Mood Disorders; Pituitary-Adrenal System; Probiotics; Tryptophan; Vagus Nerve	2019
Acute tryptophan depletion in C57BL/6 mice does not induce central serotonin reduction or affective behavioural changes. Neurochemistry international, 2010, Volume: 56, Issue:1 Topics: Acute Disease; Affect; Animals; Anxiety Disorders; Behavior, Animal; Brain; Brain Chemistry; Depressive Disorder; Disease Models, Animal; Food, Formulated; Hippocampus; Male; Maze Learning; Mice; Mice, Inbred C57BL; Mood Disorders; Serotonin; Synaptic Transmission; Tryptophan	2010
Cerebrospinal fluid analysis in affective and schizophrenic spectrum disorders: identification of subgroups with immune responses and blood-CSF barrier dysfunction. Journal of psychiatric research, 2010, Volume: 44, Issue:5 Topics: Adult; Cohort Studies; Female; Humans; Immunoglobulins; International Classification of Diseases; Kynurenine; Male; Middle Aged; Mood Disorders; Neopterin; Psychiatric Status Rating Scales; Schizophrenia; Statistics, Nonparametric; Tomography, X-Ray Computed; Tryptophan	2010
A rodent model of premenstrual dysphoria: progesterone withdrawal induces depression-like behavior that is differentially sensitive to classes of antidepressants. Behavioural brain research, 2012, Oct-01, Volume: 234, Issue:2 Topics: Analysis of Variance; Animals; Antidepressive Agents; Autoradiography; Chromatography, High Pressure Liquid; Disease Models, Animal; Enzyme-Linked Immunosorbent Assay; Estradiol; Female; Food Preferences; Hormones; Mood Disorders; Motor Activity; Nociception; Ovariectomy; Premenstrual Syndrome; Progesterone; Rats; Rats, Long-Evans; Serotonin; Serotonin Plasma Membrane Transport Proteins; Social Behavior; Substance Withdrawal Syndrome; Swimming; Tryptophan	2012
Branched-chain amino acids alter neurobehavioral function in rats. American journal of physiology. Endocrinology and metabolism, 2013, Feb-15, Volume: 304, Issue:4 Topics: Amino Acids, Branched-Chain; Animals; Anxiety; Behavior, Animal; Brain; Diet; Diet, High-Fat; Dietary Sucrose; Exploratory Behavior; Kynurenic Acid; Male; Mood Disorders; Neurons; Obesity; Rats; Rats, Wistar; Serotonin; Tryptophan; Weight Gain	2013
The effects of tryptophan depletion on mood and psychiatric symptoms. Journal of affective disorders, 2003, Volume: 74, Issue:2 Topics: Anxiety Disorders; Humans; Mood Disorders; Serotonin; Tryptophan	2003
A new method for rapidly and simultaneously decreasing serotonin and catecholamine synthesis in humans. Journal of psychiatry & neuroscience : JPN, 2003, Volume: 28, Issue:6 Topics: Adult; Amino Acids; Brain; Catecholamines; Chromatography, High Pressure Liquid; Diagnostic and Statistical Manual of Mental Disorders; Drug Combinations; Female; Fluorometry; Humans; Male; Mood Disorders; Phenylalanine; Pilot Projects; Serotonin; Time Factors; Tryptophan; Tyrosine	2003
CSF monoamine patterns in pathological gamblers and healthy controls. Journal of psychiatric research, 2006, Volume: 40, Issue:5 Topics: Adult; Alcoholism; Biogenic Monoamines; Disruptive, Impulse Control, and Conduct Disorders; Female; Gambling; Humans; Male; Mood Disorders; Reference Values; Serotonin; Smoking; Tryptophan	2006
Affective temperament: a mediating variable between environment and clinical depression? Archives of general psychiatry, 2007, Volume: 64, Issue:9 Topics: Depressive Disorder, Major; Female; Genotype; Humans; Irritable Mood; Male; Mood Disorders; Phenotype; Polymorphism, Genetic; Serotonin Plasma Membrane Transport Proteins; Temperament; Tryptophan	2007
Research strategies in the investigation of the indoleamine hypothesis of affective illness. Advances in biochemical psychopharmacology, 1982, Volume: 34 Topics: Blood Platelets; Fenclonine; Humans; Indoles; Mood Disorders; Research Design; Serotonin; Tryptophan	1982
Tryptophan in the treatment of late luteal phase dysphoric disorder: a pilot study. Journal of psychiatry & neuroscience : JPN, 1994, Volume: 19, Issue:2 Topics: Adult; Depressive Disorder; Female; Follow-Up Studies; Humans; Luteal Phase; Mood Disorders; Pilot Projects; Premenstrual Syndrome; Serotonin; Surveys and Questionnaires; Tryptophan	1994
Relationships of plasma tryptophan availability to course of illness and clinical features of alcoholism: a preliminary study. Psychopharmacology, 1999, Volume: 143, Issue:4 Topics: Age of Onset; Alcoholism; Amino Acids; Biological Availability; Depression; Disruptive, Impulse Control, and Conduct Disorders; Female; Hostility; Humans; Male; Mood Disorders; Serotonin; Tryptophan	1999
Seasonality in biochemical determinations: a source of variance and a clue to the temporal incidence of affective illness. Psychiatry research, 1979, Volume: 1, Issue:1 Topics: Adult; Biological Clocks; Dopamine beta-Hydroxylase; Female; Humans; Male; Melatonin; Mood Disorders; Seasons; Serotonin; Tryptophan	1979
Tryptophan treatment and melatonin response in a patient with seasonal affective disorder. Journal of clinical psychopharmacology, 1991, Volume: 11, Issue:1 Topics: Female; Humans; Melatonin; Middle Aged; Mood Disorders; Seasons; Tryptophan	1991
Why not treat melancholia with melatonin and tryptophan and treat seasonal affective disorders with bright light? Medical hypotheses, 1988, Volume: 27, Issue:4 Topics: Biomarkers; Depressive Disorder; Humans; Melatonin; Models, Biological; Mood Disorders; Phototherapy; Seasons; Tryptophan	1988