Supplementary Information Figure S1 Individual mice clustering of video tracker data using a PhenoChipping approach(1). We used GeneSpring GX (Agilent Technologies, Palo Alto, CA) a microarray gene expression analysis software, for the novel use of analyzing and visualizing phenotypic data. Unsupervised two-way hierarchical clustering of normalized (Z-scored) behavioral data from locomotor pattern test was carried out, using methodology previously described(2) . (a) Male mice (b) Female mice. Center Time-time spent in the center zone; Center entry-number of time entering center zone; V.maxmaximal velocity; Red-increased; blue-decreased. A. B. 2 Figure S2. Effects of diet on food intake and weight changes. 3 Table S1. Female blood top gene expression changes in response to DHA. Redcandidate biomarkers for human studies, changed in expression by DHA in opposite direction to that seen in human blood in mood disorders and stress disorders. Gene Symbol /Name Blood Change Animal Brain Evidence Animal Blood Evidence Animal Genetic Evidence Human Brain Evidence Bipolar (6) (Transgenic) Decreased anxietyrelated response, abnormal frequency of paradoxical sleep, (I) BP Human Blood Evidence Human Genetic Evidence CFG Score (I) Alcohol (3) FOS FBJ osteosarcoma oncogene D (D) MDD Fluoxetine(4) (I) Anxiety Plaza-Zabala A 2010 (I) Stress (7) (I) PTSD(8) (I) Stress (9) 14q24.3 (Linkage) BP (10) Alcohol (11) 5.5 (5) DBP-STAMY (I) (2) CD44 CD44 antigen DUSP1 dual specificity phosphatase 1 D Bipolar CP (12) Bipolar (6) (I) Alcohol (3) D Bipolar (6) Alcohol AMY, CP,NAC,PFC (16) QTL Abnormal eating/drinking behavior;Abnormal circadian rhythm QTL Abnormal eating/drinking behavior;Abnormal circadian rhythm (I) BP (D) Alcohol (D) BP,MDD (I) Stress (9) (17) (21) D (14) (I) Anxiety (I) Alcohol Bipolar (6) (20) 11p13 (Linkage) Alcohol (15), 5.0 (13) (I) BP (19) MBP myelin basic protein (I) BP (I) MOOD BIOMARKER (6) 5q35.1 (Linkage) PD (18) 5.0 18q23 (Association) BP (23) 5.0 (22) DBP-NST PFC (D);DBPSTAMY (I);DBPSTPFC(D); DBPSTAMY(I) (2) (D) MDD (24) (D) BP (27) PSEN1 presenilin 1 D Alcohol NAC QTL Abnormal eating/drinking behavior; Abnormal circadian rhythm (16) (D) Alcohol (25) (D) Chronic stress (D) SuicideMDD (28) 14q24.2 (Association) Depression(29) 5.0 (26) (D) SPP1 secreted phosphoprotein 1 D Bipolar VT (12) Bipolar (6) (QTL) Abnormal emotion/affect behavior Addiction/drug abuse (D) SuicideMDD (D) Hallucinations(30) (26) 4q22.1 (Linkage) Anxiety (31) BP (10) (I) BP 5.0 (17) ATXN1 ataxin 1 (D) Alcohol D GLO1 glyoxalase 1 I PBRM1 polybromo 1 I Bipolar CP(12) DBP-ST PFC (D) (2) (QTL) Abnormal emotion/affect behavior; Addiction/drug abuse (D) Anxiety (34) Bipolar CP(12) QTL Abnormal eating/drinking behavior; Abnormal circadian rhythm (D) BP (QTL) Abnormal (I) BP (32) DBP-ST AMY (I) (2) (D) Alcohol (33) (D) Delusion ,Hallucinations (30) (I) MOOD BIOMARKER (6) (D) Chronic stress(28) (D) BP,MDD(36) 6p22.3 (Association) BP/substance abuse 4.5 (23) 6p21.2 (Association) PD(37), (38) 4.5 (35) (I) MOOD 3p21.1 (Association) 4.5 4 emotion/affect behavior, Addiction/drug abuse SLC6A4 solute carrier family 6 (neurotransmitter transporter, serotonin), member 4 (I) Avoidance learning (fear) (41) D WNK1 WNK lysine deficient protein kinase 1 (QTL) Abnormal emotion/affect behavior Addiction/drug abuse (12) I (Transgenic) Abnormal response to novel object/Abnormal anxiety-related response/Behavioal despair/Abnormal sleep pattern/ Cocaine preference Bipolar VT DBP-STPFC (D); DBPST AMY (I) (2) (39) BIOMARKER (6) BP/MDD(39) BP (40) (D) SuicideMDD (42) (D) PD (43) (I) MDD(45) (D) SuicideMDD 17q11.2 (Association) Alcohol(46),(47) Anxiety (48),(49) BP(50) MDD 4.5 (51, 52),(53) (44) (I) BP (D) Alcohol (14) (54) 12p13.33 (Association) Alcohol(55) 4.5 Table S2. Male blood top gene expression changes in response to DHA. Redcandidate biomarkers for human studies, changed in expression by DHA in opposite direction to that seen in human blood in mood disorders and stress disorders. Gene Symbol /Name APOE apolipoprotein E Blood Change Animal Brain Evidence D (I) Stress(56) (I) Alcohol (McBride, Kimpel et al. Animal Blood Evidence Animal Genetic Evidence (Transgenic) Increased anxiety-related response 2010 (I) Alcohol (McBride, Kimpel et al. 2010 D (Transgenic) Impaired passive avoidance behavior, depressionrelated behavior (I) Anxiety (59) Bipolar CP MBP myelin basic protein D PTGDS prostaglandin D2 synthase (brain) D (12) (I) BP(19) (I) Anxiety(20) (I) Anxiety;DBP-ST AMY (I);DBP-ST PFC(D); DBP-ST AMY(I) (2) (I) Anxiety Human Blood Evidence Human Genetic Evidence (D) Delusion(30) 19q13.32 (Association) MDD(51) PTSD(58) (D) Alcohol Alcohol HIP(16) GABBR1 gamma-aminobutyric acid (GABA) B receptor, 1 Human Brain Evidence (13) Alcohol (I) BP (60) (I) Alcohol (I) Alcohol (Transgenic) Decreased aggression Bipolar AMY (12) (D) PTSD (8) 5.0 OCD(61) (I) MOOD BIOMARKER (6) (22) (D) Alcohol 6p22.1 (Association) MDD (52) (54), (25) (21) (34) 5.0 (57) (I) BP Bipolar (6) CFG Score (D) BP (62) (13) 18q23 (Association) BP (23) 5.0 9q34.3 (Association) Anxiety(63) 5.0 4q22.1 (Association) Alcohol (67) 5.0 6p21.2 (Association) PD(37),(70) 4.5 (D) Alcohol Liang 2010 SNCA synuclein, alpha GLO1 glyoxalase 1 GPM6A glycoprotein m6a I I D (D) Response to antidepressant(64) (D)BP(65) DBP ST AMY (D) (2) Alcohol AMY,HIP(16) Bipolar (6) DBP-ST BLOOD (D) (2) (D) Anxiety(34) (D) Anxiety(68),(69) Bipolar CP (12) (I) Alcohol (3) (D) Alcohol Bipolar (6) (33), (66) QTL Abnormal eating/drinking behavior;Abnormal circadian rhythm (D) BP QTL Abnormal emotion/affect behavior Abnormal circadian rhythm (D) Alcohol (D) BP (36) (35) (13) (D) Delusion (30) 4q34.2 (Linkage) Alcohol MDD(71) Anxiety (31) BP (72) 4.5 5 1. 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