#METABOLOMICS WORKBENCH michaelsa93_20170427_113316 DATATRACK_ID:898 STUDY_ID:ST000600 ANALYSIS_ID:AN000919 PROJECT_ID:PR000437
VERSION             	1
CREATED_ON             	May 8, 2017, 11:11 am
#PROJECT
PR:PROJECT_TITLE                 	NEFA Profile Response to Triphenyl Phosphate Exposure
PR:PROJECT_SUMMARY               	This study aims to identify changes in non-esterified fatty acid (NEFAs) in the
PR:PROJECT_SUMMARY               	plasma with triphenyl phosphate (TPP) exposure. UC Davis type 2 diabetes
PR:PROJECT_SUMMARY               	mellitus (UCD-T2DM) rats were treated with TPP or not treated. Each group was
PR:PROJECT_SUMMARY               	analyzed for non-esterified fatty acid (NEFA) changes to investigate alterations
PR:PROJECT_SUMMARY               	in NEFAs due to TPP exposure. Targeted analysis of NEFA in rat plasma samples
PR:PROJECT_SUMMARY               	was performed by the Newman lab.
PR:INSTITUTE                     	University of California, Davis
PR:DEPARTMENT                    	Department of Environmental Toxicology
PR:LAST_NAME                     	La Merrill
PR:FIRST_NAME                    	Michele
PR:ADDRESS                       	1 Shields Ave., Davis, CA 95616
PR:EMAIL                         	mlamerrill@ucdavis.edu
PR:PHONE                         	(530) 754-7254
#STUDY
ST:STUDY_TITLE                   	NEFA Profile Response to Triphenyl Phosphate Exposure
ST:STUDY_SUMMARY                 	This study aims to identify changes in non-esterified fatty acid (NEFAs) in the
ST:STUDY_SUMMARY                 	plasma with triphenyl phosphate (TPP) exposure. UC Davis type 2 diabetes
ST:STUDY_SUMMARY                 	mellitus (UCD-T2DM) rats were treated with TPP or not treated. Each group was
ST:STUDY_SUMMARY                 	analyzed for non-esterified fatty acid (NEFA) changes to investigate alterations
ST:STUDY_SUMMARY                 	in NEFAs due to TPP exposure. Targeted analysis of NEFA in rat plasma samples
ST:STUDY_SUMMARY                 	was performed by the Newman lab.
ST:INSTITUTE                     	U.S.D.A. Western Human Nutrition Research Center, University of California,
ST:INSTITUTE                     	Davis
ST:DEPARTMENT                    	Nutrition
ST:LAST_NAME                     	Newman
ST:FIRST_NAME                    	John
ST:ADDRESS                       	430 W. Health Sciences Dr., Davis, CA 95616
ST:EMAIL                         	john.newman@ars.usda.gov
ST:PHONE                         	+1-530-752-1009
ST:STUDY_COMMENTS                	The samples included a high degree of hemolysis exhibited in the plasma. One
ST:STUDY_COMMENTS                	sample was lost during processing (Group E- Subject 78). Two samples were
ST:STUDY_COMMENTS                	outliers for multiple analytes and were not included in the final data (E-117 &
ST:STUDY_COMMENTS                	T-28). Of the samples reported in this data set, there were no missing values.
#SUBJECT
SU:SUBJECT_TYPE                  	Animal
SU:SUBJECT_SPECIES               	Rattus norvegicus
SU:TAXONOMY_ID                   	10116
#SUBJECT_SAMPLE_FACTORS:         	SUBJECT(optional)[tab]SAMPLE[tab]FACTORS(NAME:VALUE pairs separated by |)[tab]Additional sample data
SUBJECT_SAMPLE_FACTORS           	5	LM-15	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	7	LM-12	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	39	LM-06	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	40	LM-31	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	46	LM-09	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	47	LM-08	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	54	LM-32	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	56	LM-13	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	80	LM-01	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	109	LM-22	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	111	LM-10	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	119	LM-24	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	135	LM-14	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	136	LM-16	Treatment:E (Vehicle control)	
SUBJECT_SAMPLE_FACTORS           	15	LM-20	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	16	LM-05	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	22	LM-27	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	23	LM-02	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	32	LM-28	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	61	LM-26	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	63	LM-17	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	71	LM-30	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	72	LM-21	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	94	LM-19	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	96	LM-03	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	101	LM-25	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	102	LM-11	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	127	LM-07	Treatment:T (Treated with TPhP)	
SUBJECT_SAMPLE_FACTORS           	128	LM-29	Treatment:T (Treated with TPhP)	
#COLLECTION
CO:COLLECTION_SUMMARY            	"Prior to sacrifice, rats were fasted between 8 and 12 h,their body weights
CO:COLLECTION_SUMMARY            	recorded, and blood was collected from the tail as above prior to euthanasia.
CO:COLLECTION_SUMMARY            	Rats were anesthetized with sodium pentobarbital and euthanized with a 1 mL/kg
CO:COLLECTION_SUMMARY            	intracardiac injection of saturated potassium chloride. Once cardiac movement
CO:COLLECTION_SUMMARY            	had stopped for 30 s the rat was decapitated and the hypothalamus, liver,
CO:COLLECTION_SUMMARY            	pancreas, heart, mesenteric adipose tissue, quadriceps, kidney, gonadal adipose
CO:COLLECTION_SUMMARY            	tissue, inguinal adipose tissue, and brown adipose tissue were collected. All
CO:COLLECTION_SUMMARY            	tissues were removed in the order listed above, wet weighed, and snap frozen in
CO:COLLECTION_SUMMARY            	liquid nitrogen"
CO:COLLECTION_PROTOCOL_FILENAME  	Green_et_al_2017-TPP_Exposure_Accelerat_T2DM_Rats.pdf
CO:SAMPLE_TYPE                   	Blood
CO:BLOOD_SERUM_OR_PLASMA         	Plasma
#TREATMENT
TR:TREATMENT_SUMMARY             	Adult non-pregnant female UCD-T2DM rats (n = 16; 3 months old) were paired with
TR:TREATMENT_SUMMARY             	males (n = 10; 3–4 months old) for a 24 h period at which point males were
TR:TREATMENT_SUMMARY             	removed. This was defined as gestational day zero (G0) if a sperm plug was
TR:TREATMENT_SUMMARY             	observed or if the female rats gained at least 30 g of body weight over the next
TR:TREATMENT_SUMMARY             	7 days. The day of birth was designated postnatal day zero (P0). Pregnant dams
TR:TREATMENT_SUMMARY             	were randomly assigned to an exposure group (n = 8 per group), and received
TR:TREATMENT_SUMMARY             	daily oral TPhP or ethanol vehicle exposure from G8 through weaning (P21) as
TR:TREATMENT_SUMMARY             	described in Section 2.2 below. Gestational length and litter size were recorded
TR:TREATMENT_SUMMARY             	on P0 and the sex of pups was determined and recorded on P4. Body weights of all
TR:TREATMENT_SUMMARY             	pups in each litter were obtained periodically from P4–21. On P4 the litters
TR:TREATMENT_SUMMARY             	were culled to 8 pups ensuring up to 4males and 2 females in each litter by
TR:TREATMENT_SUMMARY             	random selection (Fig. 1A & B). This was done to ensure consistent exposure of
TR:TREATMENT_SUMMARY             	pups between litters [13,23]. The time ittakes to develop T2DM is accelerated
TR:TREATMENT_SUMMARY             	among UCD-T2DM rats with higher body weights on P21. Hence at weaning the
TR:TREATMENT_SUMMARY             	largest pups were housed in same sex littermate groups of two females and up to
TR:TREATMENT_SUMMARY             	four males as available (Fig. 1A & B). Urine was collected from the dams using
TR:TREATMENT_SUMMARY             	an adapted plastic wrap method outlined by Kurien [24], 60 mins after final
TR:TREATMENT_SUMMARY             	dose. Dams were placed in clean cages without bedding for at least 20 min then
TR:TREATMENT_SUMMARY             	using a pipette up to 500 L of urine was collected in ethanol rinsed glass vials
TR:TREATMENT_SUMMARY             	and placed on ice. At weaning all dams and remaining weanlings were sacrificed
TR:TREATMENT_SUMMARY             	(90–330 min post-exposure) by CO2 asphyxiation and rapid decapitation. Two
TR:TREATMENT_SUMMARY             	male rats weighing between 350–400 g on P61, from the TPhP group and the
TR:TREATMENT_SUMMARY             	vehicle group were weight-matched across treatments for the diabetes study to
TR:TREATMENT_SUMMARY             	eliminate confounding effects of body mass on the association between TPhP and
TR:TREATMENT_SUMMARY             	T2DM onset (Fig. 1B). This weight range was selected because male UCD-T2DM rats
TR:TREATMENT_SUMMARY             	that are between 350 and 400 g at 8 weeks of age develop T2DM at approximately
TR:TREATMENT_SUMMARY             	23 weeks of age [18]. Weight-matched rats were followed until 26 weeks or until
TR:TREATMENT_SUMMARY             	they developed T2DM, which was defined as two consecutive weekly non-fasting
TR:TREATMENT_SUMMARY             	glucose measurements of ≥200 mg/dL [18] in accordance with the American
TR:TREATMENT_SUMMARY             	Diabetes Association (ADA) guideline of diagnosing diabetes with a random plasma
TR:TREATMENT_SUMMARY             	glucose of 200 mg/dL or higher [19]. The remaining rats were not weight-matched
TR:TREATMENT_SUMMARY             	and followed for the 3.5 month obesity study (Fig. 1A).
TR:TREATMENT_PROTOCOL_FILENAME   	Green_et_al_2017-TPP_Exposure_Accelerat_T2DM_Rats.pdf
#SAMPLEPREP
SP:SAMPLEPREP_SUMMARY            	Plasma non-esterified fatty acids (NEFAs) were isolated as previously described
SP:SAMPLEPREP_SUMMARY            	by Smedes (1). and Gladine et al. (2). Specifically, plasma aliquots (100 mL)
SP:SAMPLEPREP_SUMMARY            	were enriched with 5 mL 0.2 mg/ml butylated hydroxytoluene/EDTA in 1:1
SP:SAMPLEPREP_SUMMARY            	methanol:- water, and a suite of extraction surrogates, which included
SP:SAMPLEPREP_SUMMARY            	deuterated-tri-palmitoyl glycerol (d31-16:0-TG; CDN Isotopes, Pointe-Claire,
SP:SAMPLEPREP_SUMMARY            	Quebec, Canada), deuterated distearoylphosphotidylcholine (d35-18:0-PC; Avanti
SP:SAMPLEPREP_SUMMARY            	Polar Lipids, Alabaster, Alabama), dodeca-(9E)-enoyl cholesterylesters
SP:SAMPLEPREP_SUMMARY            	(22:1n9-CE; NuChek Prep, Elysian MN) and dodecatrienoic acid (22:3n3; NuChek
SP:SAMPLEPREP_SUMMARY            	Prep). Lipids were then extracted with 10:8:11 cylcohexane: 2- propanol:ammonium
SP:SAMPLEPREP_SUMMARY            	acetate. Briefly, enriched samples were mixed with cyclopropane/2-propanol,
SP:SAMPLEPREP_SUMMARY            	phases were split with ammonium acetate, the organic phase was isolated and the
SP:SAMPLEPREP_SUMMARY            	aqueous phase was re-extracted with cyclohexane. The combined organic total
SP:SAMPLEPREP_SUMMARY            	lipid extract was reduced to dryness and reconstituted in 200 µL of 1:1
SP:SAMPLEPREP_SUMMARY            	methanol/toluene and the total lipid extract was used to quantify plasma fatty
SP:SAMPLEPREP_SUMMARY            	acids as methyl esters by gas chromatography-mass spectrometry (GC-MS). It was
SP:SAMPLEPREP_SUMMARY            	derivitized by adding 45 μL 2M (trimethylsilyl) diazomethane in hexanes and
SP:SAMPLEPREP_SUMMARY            	spiked with 15:1n5 free acid to track methylation efficiency. Next, it was
SP:SAMPLEPREP_SUMMARY            	brought to a final volume of 200 mL with 90:10 methanol/toluene (v/v) and left
SP:SAMPLEPREP_SUMMARY            	at room temperature for 30 min, before being brought to dryness. The remaining
SP:SAMPLEPREP_SUMMARY            	fatty acid methyl esters (FAMEs) were re-constituted in 300 mL Hexane plus 10 uL
SP:SAMPLEPREP_SUMMARY            	of 44 mM tricosanoate methyl ester (23:0; NuChek Prep), vortexed, and 100 uL was
SP:SAMPLEPREP_SUMMARY            	transferred to a GC-MS Vial for analysis.
SP:SAMPLEPREP_PROTOCOL_FILENAME  	NEFA_Plasma_Newman_Data_Report.docx
#CHROMATOGRAPHY
CH:CHROMATOGRAPHY_TYPE           	GC
CH:INSTRUMENT_NAME               	Agilent 6890N
CH:COLUMN_NAME                   	Agilent DB-225 (30m x 0.25mm x 0.5um)
CH:SAMPLE_INJECTION              	1 µl
#ANALYSIS
AN:ANALYSIS_TYPE                 	MS
#MS
MS:MS_COMMENTS                   	-
MS:INSTRUMENT_NAME               	Agilent
MS:INSTRUMENT_TYPE               	GC-TOF
MS:MS_TYPE                       	EI
MS:ION_MODE                      	POSITIVE
#MS_METABOLITE_DATA
MS_METABOLITE_DATA:UNITS         	Concentration (µM)
MS_METABOLITE_DATA_START
Samples	LM-15	LM-12	LM-06	LM-31	LM-09	LM-08	LM-32	LM-13	LM-01	LM-22	LM-10	LM-24	LM-14	LM-16	LM-20	LM-05	LM-27	LM-02	LM-28	LM-26	LM-17	LM-30	LM-21	LM-19	LM-03	LM-25	LM-11	LM-07	LM-29
Factors	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:E (Vehicle control)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)	Treatment:T (Treated with TPhP)
C15:0	1.50	1.45	1.86	1.82	1.65	1.91	2.26	1.63	2.29	1.77	1.63	1.44	1.61	1.87	1.70	1.90	1.92	1.66	1.45	1.14	1.93	2.00	2.61	3.01	2.54	1.39	2.05	1.97	1.67
C16:0	190.35	148.95	181.04	234.79	157.23	173.86	223.34	175.37	233.52	180.43	143.62	109.36	186.66	226.29	168.11	251.50	285.25	208.24	223.51	150.40	204.02	191.91	275.19	219.41	297.42	146.55	284.11	187.27	179.40
C17:0	1.20	1.18	1.21	1.24	1.21	1.60	1.48	1.15	1.65	1.46	1.28	1.30	1.28	1.39	1.50	1.45	1.51	1.33	1.21	0.95	1.31	1.68	1.82	1.63	2.07	1.17	1.62	1.43	1.23
C18:0	37.08	32.91	31.84	41.70	38.06	48.41	42.61	34.60	39.49	41.81	34.79	30.31	35.08	41.76	36.63	43.31	45.29	34.70	35.10	29.73	35.58	46.70	48.84	40.81	53.60	37.61	47.44	35.88	36.28
C20:0	0.53	0.76	0.44	0.60	0.65	0.59	1.08	0.55	0.60	0.64	0.75	0.82	0.64	0.59	0.71	0.44	0.70	0.68	0.71	0.44	0.60	0.75	0.60	0.85	0.62	0.60	0.62	0.64	0.75
C16:1n7t	3.40	4.76	4.12	6.15	4.28	3.50	6.28	3.37	6.33	4.48	3.82	2.78	4.22	5.19	4.45	5.10	5.28	4.34	5.52	2.97	4.72	4.49	6.52	7.03	5.38	3.65	4.57	4.26	4.20
C16:1n7	47.61	37.51	45.02	40.35	46.98	30.40	42.40	24.16	63.45	41.54	28.57	16.45	57.38	61.54	43.71	57.32	52.51	55.39	109.35	48.93	49.42	42.25	73.04	36.57	85.25	41.17	89.02	36.54	32.97
C18:1n9	127.95	110.70	119.47	160.86	116.08	105.17	143.06	114.21	153.46	128.16	95.85	76.48	127.68	153.12	127.63	160.04	193.84	138.05	144.32	108.31	130.17	127.26	176.79	140.24	194.74	108.79	187.51	123.60	127.57
C18:1n7	22.75	20.05	21.48	22.01	21.56	18.99	27.62	20.15	23.13	22.27	17.72	11.66	23.35	28.87	24.69	33.07	35.85	23.84	22.78	20.07	23.70	24.00	34.01	26.20	35.14	21.30	31.08	22.31	25.99
C20:1n9	1.98	2.17	1.42	3.38	4.73	4.73	2.45	1.30	5.39	2.11	1.38	2.47	0.66	2.34	3.24	1.69	3.88	0.87	3.62	1.16	2.73	2.51	3.33	1.42	2.73	2.56	1.83	3.49	3.53
C18:2n6	175.93	179.02	177.13	129.24	186.20	200.85	165.25	156.95	240.84	240.32	178.53	160.90	208.57	228.93	211.89	208.64	241.62	192.29	189.82	172.17	185.32	205.74	254.08	186.98	268.81	166.33	267.41	206.10	196.70
C18:3n6	1.94	1.73	1.95	2.80	2.46	1.91	2.91	1.53	1.59	3.04	1.81	1.76	2.17	2.15	2.56	2.59	3.41	1.47	2.47	1.80	2.42	2.30	3.04	2.98	1.91	1.89	3.34	2.73	2.73
C20:2n6	3.19	0.97	3.68	2.71	3.40	4.43	2.88	2.67	5.53	4.93	3.50	2.74	2.60	4.50	4.59	4.26	4.68	4.01	3.38	1.96	2.75	4.14	4.55	2.56	3.72	3.30	4.68	5.32	4.46
C20:3n6	4.87	3.52	4.99	7.18	4.77	4.44	7.93	6.41	4.49	4.25	3.54	2.14	4.74	4.67	5.14	7.83	9.41	5.99	3.46	1.65	6.38	4.64	6.50	5.63	7.85	3.84	4.77	5.88	4.25
C20:4n6	61.35	61.37	64.68	61.33	73.10	94.01	58.33	61.86	70.91	74.25	63.09	54.09	62.87	72.92	64.43	75.08	67.07	70.74	57.99	39.63	63.13	73.02	79.43	58.33	92.76	70.21	84.45	66.08	61.67
C22:2n6	0.13	1.13	0.49	0.76	0.78	0.37	0.17	0.39	0.46	1.13	0.49	0.41	0.29	0.41	0.49	0.70	0.12	0.78	0.26	0.64	0.31	0.48	0.62	0.13	0.54	0.20	0.68	0.83	0.35
C22:4n6	5.47	4.68	5.58	6.89	5.74	5.97	6.54	6.40	5.50	5.73	6.14	4.26	4.29	6.84	6.60	8.22	9.14	7.01	3.87	3.49	6.20	6.18	25.43	5.50	12.36	6.15	7.36	5.86	6.28
C22:5n6	2.85	1.89	2.68	3.99	2.52	2.71	3.22	2.35	1.56	2.54	2.61	2.22	2.50	2.50	2.07	3.74	3.82	2.63	2.45	1.37	1.82	2.52	14.45	2.50	3.10	2.46	3.72	2.88	1.56
C18:3n3	14.94	13.03	15.38	9.44	15.94	16.05	14.46	11.39	22.41	20.09	14.85	12.20	20.25	21.57	16.66	19.66	20.06	17.59	20.17	13.55	18.30	16.83	25.14	15.51	25.57	13.54	27.84	16.71	13.98
C20:4n3	0.61	0.74	0.46	0.73	0.59	0.59	0.75	0.54	0.48	0.46	0.57	0.33	0.72	0.53	0.62	1.00	0.83	0.71	0.65	0.42	0.69	0.50	0.52	0.49	0.50	0.49	0.51	0.75	0.37
C20:5n3	1.76	1.95	1.48	1.62	1.52	1.58	1.75	1.40	1.88	2.27	1.50	1.47	1.13	2.08	2.23	2.38	2.45	1.96	1.46	1.21	1.33	1.65	2.19	1.37	2.04	1.48	3.03	3.59	1.51
C22:5n3	5.65	3.66	6.69	6.06	4.04	5.39	5.34	5.12	6.03	5.02	4.33	2.80	3.77	5.04	6.06	6.65	10.24	7.41	4.14	2.15	4.34	5.13	9.39	4.83	5.94	3.86	6.07	6.49	5.86
C22:6n3	39.46	36.38	46.05	43.24	44.32	60.94	43.42	45.55	20.30	45.13	43.54	29.39	41.29	46.53	42.45	56.92	54.35	21.85	32.98	35.70	47.66	45.44	54.69	37.93	26.53	42.84	54.34	45.13	38.13
MS_METABOLITE_DATA_END
#METABOLITES
METABOLITES_START
metabolite_name	retention index	quantified m/z	PubChem ID	KEGG ID
C15:0			985
C16:0			10465
C17:0			5281
C18:0			5282745
C20:0
C16:1n7t			5282761
C16:1n7			142770
C18:1n9			5280450
C18:1n7			5280644
C20:1n9			5280933
C18:2n6			6439848
C18:3n6			444899
C20:2n6			5497181
C20:3n6			6441454
C20:4n6			5280934
C22:2n6
C22:4n6			5312539
C22:5n6			446284
C18:3n3			5282850
C20:4n3			445580
C20:5n3			13849
C22:5n3			5312508
C22:6n3			5312513
METABOLITES_END
#END