{
"METABOLOMICS WORKBENCH":{"STUDY_ID":"ST000615","ANALYSIS_ID":"AN000944","VERSION":"1","CREATED_ON":"June 1, 2017, 1:06 pm"},

"PROJECT":{"PROJECT_TITLE":"sacosine levels in prostate cancer disparity","PROJECT_SUMMARY":"GC/MS measurement of sarcosine levels in urine samples from prostate cancer and case control patients in a group of ancestry verified African American and European Americans.","INSTITUTE":"Baylor College of Medicine","LAST_NAME":"Sreekumar","FIRST_NAME":"Arun","ADDRESS":"One Baylor Plaza, Houston, TX, 77030, USA","EMAIL":"Arun.Sreekumar@bcm.edu","PHONE":"713-798-3305"},

"STUDY":{"STUDY_TITLE":"GC/MS measurement of sarcosine in urine samples","STUDY_SUMMARY":"GC/MS measurement of sarcosine in urine samples from prostate cancer and case control patients in a group of ancestry verified African American and European Americans.","INSTITUTE":"Baylor College of Medicine","LAST_NAME":"Sreekumar","FIRST_NAME":"Arun","ADDRESS":"One Baylor Plaza, Houston, TX, 77030, USA","EMAIL":"Arun.Sreekumar@bcm.edu","PHONE":"713-798-3305"},

"SUBJECT":{"SUBJECT_TYPE":"Humans","SUBJECT_SPECIES":"Homo sapiens"},
"SUBJECT_SAMPLE_FACTORS":[
{
"Subject ID":"-",
"Sample ID":"15298",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"15862",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"16710",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"17024",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"17122",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"17234",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"17585",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"17587",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"17721",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"17817",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17848",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17879",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17891",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"17893",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17897",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"17902",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17962",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"17985",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18004",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18010",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18013",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18014",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18018",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18020",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18030",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18035",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18054",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18056",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18061",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18062",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18063",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18064",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18072",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18073",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18077",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18083",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18091",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18097",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18098",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18102",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18106",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18112",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18137",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18140",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18154",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18156",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18162",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18174",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18175",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18225",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18240",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18250",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18261",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18262",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18265",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18277",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18317",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18331",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18415",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18469",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18489",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18542",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18613",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18661",
"Factors":{"Diagnosis":"Case control","RACE":"-"}
},
{
"Subject ID":"-",
"Sample ID":"18734",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18742",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18830",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18850",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18882",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18887",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18901",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"18918",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"18998",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"19034",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
},
{
"Subject ID":"-",
"Sample ID":"19049",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"African American"}
},
{
"Subject ID":"-",
"Sample ID":"19169",
"Factors":{"Diagnosis":"Prostate cancer","RACE":"Caucasian"}
}
],
"COLLECTION":{"COLLECTION_SUMMARY":"Urine from ancestry typed AA and EA prostate cancer patients were used for this analysis. Urine specimens were spun and the supernatant was stored at −70°C until analysis."},

"TREATMENT":{"TREATMENT_SUMMARY":"NA"},

"SAMPLEPREP":{"SAMPLEPREP_SUMMARY":"Urine supernatants were diluted with methanol containing spiked labeled internal standards (d3-sarcosine and d3-alanine), and extracted overnight at 4°C, using 1:1 molar ratio of water/chloroform at room temperature, with constant shaking. The aqueous methanolic layer was recovered, dried and azeotroped twice by adding 100 mL dimethylformamide (DMF), mixed and dried using a speedvac for 30 minutes. Following this, 100 mL of DMF and N-methyl-N-tert-butylmethylsilyltrifluoroacetamide (MtBSTFA) + 1% t-butyl-dimethylchlorosilane were added and incubated at 60°C for 1 hr. The samples were resuspended in ethyl acetate and injected into a GC-MS."},

"CHROMATOGRAPHY":{"CHROMATOGRAPHY_SUMMARY":"During the course of the run, temperature was ramped from 40° to 300° C in a 16 minute period.","CHROMATOGRAPHY_TYPE":"GC","INSTRUMENT_NAME":"Agilent","COLUMN_NAME":"Agilent DB5-MS (15m)"},

"ANALYSIS":{"ANALYSIS_TYPE":"MS"},

"MS":{"MS_COMMENTS":"-","INSTRUMENT_NAME":"Agilent","INSTRUMENT_TYPE":"Single quadrupole","MS_TYPE":"ESI","ION_MODE":"POSITIVE"},

"MS_METABOLITE_DATA":{
"Units":"Area",

"Data":[{"Metabolite":"sarcosine","15298":"0.306212115","15862":"0.036214891","16710":"0.060943198","17024":"0.030796403","17122":"0.064277287","17234":"0.06270096","17585":"0.041105007","17587":"0.02944244","17721":"0.089869029","17817":"0.053729839","17848":"0.02049075","17879":"0.023132966","17891":"0.060517067","17893":"0.009655103","17897":"0.081346568","17902":"0.030886748","17962":"0.046049832","17985":"0.508449705","18004":"0.012203617","18010":"0.084157926","18013":"0.034806747","18014":"0.105824243","18018":"0.05996695","18020":"0.074310646","18030":"0.015586707","18035":"0.017291889","18054":"0.068265503","18056":"0.038671311","18061":"0.028820713","18062":"0.026537115","18063":"0.061244109","18064":"0.049490365","18072":"0.04764676","18073":"0.057862921","18077":"0.02305363","18083":"0.015765054","18091":"0.151826452","18097":"0.062898989","18098":"0.064242775","18102":"0.027775762","18106":"0.09842025","18112":"0.007504824","18137":"0.026210109","18140":"0.034022345","18154":"0.03193908","18156":"0.031141167","18162":"0.032666679","18174":"0.044775507","18175":"0.078166175","18225":"0.077460995","18240":"0.060020378","18250":"0.013411893","18261":"0.018684339","18262":"0.038028623","18265":"0.010864089","18277":"0.047361123","18317":"0.012271321","18331":"0.081980337","18415":"0.092541526","18469":"0.016046688","18489":"0.060564506","18542":"0.01506612","18613":"0.02423258","18661":"0.005474469","18734":"0.038386821","18742":"0.047843915","18830":"0.047869209","18850":"0.036376335","18882":"0.037731801","18887":"0.12699958","18901":"0.060098705","18918":"0.11419193","18998":"0.048223421","19034":"0.040516974","19049":"0.016713836","19169":"0.262978185"}],

"Metabolites":[{"Metabolite":"sarcosine","Kegg ID":"C00213","PubChem":"3513","quantitated m/z":"161","Retention time":"4"}]
}

}