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Report for Clinical Trial NCT01713023

Developed by Shray Alag, 2020.
SNP Clinical Trial Gene

Effect of Fructose and Glucose and TAS1R2 in Glucose, Triglycerides, Uremia, Oxidative Stress, Feelings Related to Food Intake of Individuals With Type 1 Diabetes

- BACKGROUND: Individuals with diabetes report innate preference for sweet foods, possibly due to genetic variants. In addition, studies have shown that ingestion of fructose promotes lower postprandial blood glucose, compared to glucose. However, excessive intake may increase triglycerides, uric acid and oxidative stress, due to oxidative priority. - AIMS: To investigate the influence of fructose and glucose and taste receptor, type 1, member 2 (TAS1R2) in glucose, triglycerides, uremia, oxidative stress, feelings related to food intake and palatability of individuals with type 1 diabetes. - METHODS: The trial is a single-blind, two-way crossover (1-week washout) study in 30 subjects with type 1 diabetes. Blood samples were collected before and 2-hours after the participants receive 75g of fructose or 75g of glucose dissolved in 200 ml water. Capillary blood glucose were assessed at 30, 90, 120, and 180 minutes to determine glucose, and visual analogue scales for measurement of appetite sensation were assessed at 70, 120, and 190 minutes. - PURPOSE: The research proposal adds knowledge about the TAS1R2 (Ile191Val) polymorphism and around the most suitable monosaccharide for individuals with diabetes type 1.

NCT01713023 Type 1 Diabetes
MeSH: Diabetes Mellitus Diabetes Mellitus, Type 1
HPO: Diabetes mellitus Type I diabetes mellitus

2 Interventions

Name: Glucose

Description: The same described in Arm description

Type: Dietary Supplement

Fructose solution Glucose solution

Name: Fructose

Description: The same described in Arm description

Type: Dietary Supplement

Fructose solution Glucose solution


Primary Outcomes

Description: Determine the blood glucose, triglycerides, oxidation of substrates, uremia, oxidative stress, feelings related to food intake of individuals with type 1 diabetes, before and 3-hours after ingestion of 75g of fructose or 75g of glucose.

Measure: Compare the effects of fructose and glucose and TAS1R2 in postprandial metabolism of individuals with type 1 diabetes

Time: baseline up to 3 hours each day study. Total study: 2 years

Secondary Outcomes

Description: Determine the peak plasma blood glucose before and 3-hours after ingestion of 75g of fructose or 75g of glucose. We also test capillary blood glucose before and 30, 90, 120, and 180 minutes after solutions.

Measure: Effect of fructose or glucose on blood glucose

Time: Baseline, and up to 3-hours after solutions

Description: Determine the triglycerides levels before and 3-hours after ingestion of 75g of fructose or 75g of glucose.

Measure: Effect of fructose or glucose on triglycerides levels

Time: Baseline, and up to 3-hours after solutions

Description: Determine the uric acid, pyruvic acid, and lactate levels before and 3-hours after ingestion of 75g of fructose or 75g of glucose.

Measure: Effect of fructose or glucose on uric acid, pyruvic acid, and lactate

Time: Baseline, and up to 3-hours after solutions

Description: Determine the malondialdehyde level before and 3-hours after ingestion of 75g of fructose or 75g of glucose.

Measure: Effect of fructose or glucose on oxidative stress

Time: Baseline, and up to 3-hours after solutions

Description: TAS1R2 (taste receptor, type 1, member 2 T1R2) is the component specific to sweet taste perception, and does not change during the life. We will determine whether Ser9Cys (dbSNP: rs9701796) and Ile191Val (dbSNP: rs35874116)variations in TAS1R2 were associated with differences the sweet taste perceptions.

Measure: Effect of two polymorphisms in the gene TAS1R2 in the sweet taste perception

Time: only at baseline

Description: Determine the peak plasma blood glucose before and 3-hours after ingestion of 75g of fructose or 75g of glucose. We also test capillary blood glucose before and 30, 90, 120 and 180 minutes after solutions.

Measure: Effect of fructose or glucose on blood glucose

Time: Baseline, and up to 3-hours after solutions

Description: Two different visual analogue scales will be used to assess hunger, satiety, fullness, prospective food consumption, palatability, taste, aftertaste, smell, and visual appeal of the solutions. The scales will be performed at 7, 35, 95 and 120 minutes after solutions.

Measure: Effect of fructose or glucose on appetite and palatability

Time: Baseline, and up 120 minutes

Description: Determine the glucagon levels before and 3-hours after ingestion of 75g of fructose or 75g of glucose

Measure: Effect of fructose or glucose on glucagon levels

Time: Baseline, and up to 3-hours after solutions

Description: Determine the leptin levels before and 3-hours after ingestion of 75g of fructose or 75g of glucose

Measure: Effect of fructose or glucose on leptin levels

Time: Baseline, and up to 3-hours after solutions

Purpose: Health Services Research

Allocation: Randomized

Crossover Assignment


There are 2 SNPs

SNPs


1 I191V

- PURPOSE: The research proposal adds knowledge about the TAS1R2 (Ile191Val) polymorphism and around the most suitable monosaccharide for individuals with diabetes type 1. Compare the effects of fructose and glucose and TAS1R2 in postprandial metabolism of individuals with type 1 diabetes. --- Ile191Val ---

We will determine whether Ser9Cys (dbSNP: rs9701796) and Ile191Val (dbSNP: rs35874116)variations in TAS1R2 were associated with differences the sweet taste perceptions.. Effect of fructose or glucose on blood glucose. --- Ser9Cys --- --- Ile191Val ---

The Ile191Val (rs35874116) polymorphism in TAS1R2 gene will be detected by using a TaqMan allelic discrimination assay (ABI number C_55646_20; Applied Biosystems, Foster City, CA) with real-time polymerase chain reaction on an ABI 7000 Sequence Detection System (Applied Biosystems). --- Ile191Val ---


2 S9C

We will determine whether Ser9Cys (dbSNP: rs9701796) and Ile191Val (dbSNP: rs35874116)variations in TAS1R2 were associated with differences the sweet taste perceptions.. Effect of fructose or glucose on blood glucose. --- Ser9Cys ---



HPO Nodes


HPO:
Diabetes mellitus
Genes 523
PDE6A IDH3A UBR1 IER3IP1 SPINK1 HNF1B PCARE ND1 OPA1 RP1 AGPAT2 TRNS1 MMP2 TTC8 PDX1 TGIF1 TREX1 CDON CFTR MKRN3 GCK INS PPARG HYMAI COX2 XRCC4 SNRNP200 NUBPL PTRH2 CEP19 NDUFB10 PROKR2 EYS LMNA TRNQ MAPK8IP1 LEPR TCF7L2 NSMCE2 PRPF4 ARL6 RDH12 ARL3 FGF8 GCK KDSR CEL DISP1 NR2E3 NDUFAF5 ARL2BP ERGIC1 PLAGL1 PRPF31 PNPLA6 NDUFV2 COX3 PRCD RLBP1 WFS1 KLF11 TRNL1 PDX1 NDUFA11 BLK KCNJ11 GPD2 SLC19A2 DHDDS MLXIPL LEP CLIP2 BMP2 BRCA2 TRNF IFT140 LMNA RP2 REEP6 NDUFS2 PDX1 PDE4D LIG4 RETN CNGA1 GLI2 NDP PNPLA2 EDA CYTB LHX1 PRSS1 NPM1 IFIH1 TBL2 ALMS1 GCK PRPH2 HAMP DCAF17 ABCC8 SNORD115-1 PRPF8 ENPP1 GUCA1B MEN1 MST1 NEUROD1 POMGNT1 HNF4A PTPN1 PPP1R3A FXN AIP KIAA1549 IGF2BP2 NKX2-5 EIF2S3 COX1 SLC29A3 ND5 SUFU CDKN2A HERC2 FXN CYP19A1 STAT3 MKKS SOX2 LIPC INSR GTF2I TDGF1 GCGR HMGA2 TWNK HFE TRNH HLA-DRB1 CORIN PRPF6 ZNF408 FGFR1 PROM1 FOS ZMPSTE24 PEX1 CPA1 HNF4A NPAP1 NDUFAF3 DLL1 BEST1 TRNK TRNL1 POLG CAV1 XRCC4 ND2 TUB CP SLC2A2 KRAS EFL1 NDUFS1 HNF1A SIX3 POLR3A RP9 TRNE AKT2 NODAL PPARG XRCC4 ND1 NDUFS4 GATA6 WRN DCAF17 TTC7A AKT2 RBP3 POC1A PAX4 RTEL1 NDUFA6 TRNS1 KCNJ11 INSR GJB3 INS CASR USP8 MAK FOXC2 FOXP3 HNF1B GATA3 IMPDH1 APOA5 LIPE TRNL1 LEMD3 IL6 PRKAR1A FGFR1 NDN COX1 FAM161A HESX1 INSR NRL NDUFS6 ABCC8 TRNC CFTR GJA1 PRKACA NDUFB9 TRNW COX3 TTPA GPR101 PLAGL1 TIMMDC1 GJA1 WRAP53 RNASEH2A HNF4A COX2 PAX4 FOXRED1 PAX4 DKC1 RRM2B SMAD4 BLK TMEM126B ND5 NDUFAF1 FLT1 KCNJ11 MAFA GATA6 IL2RA CLCNKB NDUFAF2 CTRC PPARG OFD1 IFT172 SPINK1 PRKAR1A RPGR ATM SNORD116-1 OTX2 NDUFA1 ZFYVE26 NDUFB3 BAZ1B PRSS2 BSCL2 ABCC8 INS WFS1 IFT88 PDE6B GAS1 ABCC8 ABCC8 RGR PALLD ND4 STOX1 GNAS NEK2 RFC2 CA4 HYMAI CTRC LIPE RHO MMP14 SCAPER NOP10 ITPR3 GCK SLC19A2 NHP2 HNF1B CRB1 PEX6 TWNK TRNQ NEUROD1 GTF2IRD1 ABCC8 ND6 DNAJC3 POLD1 GJB4 SPINK1 PARN BSCL2 VANGL1 SLC29A3 PDE11A PTPN22 PTF1A BRAF AHR PWRN1 HYMAI TRNV GLRX5 USB1 HLA-DQB1 ITCH SBDS TRNK GPR35 PRSS2 PROK2 STAT1 NSMCE2 CTNS PIK3R1 NDUFAF4 CDHR1 ZFP57 ATP6 TRNW PTF1A CTNNB1 AIP EIF2AK3 POLA1 GCK TRNE ELN NEUROG3 CISD2 GLIS3 DNAJC21 CAVIN1 ELMO2 PTCH1 ROM1 ZFP57 BBS2 LEPR LRP6 KCNJ11 PRKACA PRPF3 SLC25A4 DNM1L GCK HJV LRAT WFS1 HNF1B TP53 PNPLA2 ELN IRS2 NDUFV1 ND6 PRSS1 CERKL CLRN1 PPARG BBS2 MOG TOPORS ARNT2 FOXH1 RAC1 HNF4A PLIN1 TP53 TRNF NDUFB11 EIF2AK3 CFTR SNRPN USH2A KCNJ11 HNF1A STAT3 C8ORF37 APOE FUZ LMNB2 IGF1R TRNS2 LMNA IPW POLG2 PDX1 TERC SLC16A2 INS CAV1 NDUFS7 AR LMNA HGSNAT KLF11 SEMA4A FOXP3 CIDEC CTC1 PLIN1 IDH3B PCNT PEX10 GCK SPINK1 APPL1 HNF1A ZIC2 ABCA4 FBN1 ZNF513 TRNS2 CRX STUB1 NEUROD1 KLHL7 CISD2 PSTPIP1 ALMS1 LMNA PDX1 LIMK1 HNF1A RPE65 BRCA1 RNASEH2B CCDC28B STAT1 AHI1 AIRE ARMC5 NDUFS3 AGBL5 PDE4D TULP1 SHH DHX38 IL2RA HMGA1 CEL NDUFS8 ATM DNAJC3 INS MAGEL2 HNF1A EDA2R HFE MKRN3-AS1 SLC12A3 SLC30A8 UBR1 ND1 IMPG2 KCNJ11 PWAR1 CNOT1 ADAR BLM PDE8B PDX1 HNF4A IRS1 RNASEH2C INSR PIK3R1 CDH23 BBS1 TCF4 ZMPSTE24 ZBTB20 KIZ TINF2 KCTD1 WFS1 SRP54 APPL1 ND3 WFS1 PRSS1 SPATA7 AGPAT2 HBB MERTK WRN KCNJ11 PALB2 HNF1A LMNA PAX4 SARS2 SLC7A14 SOX3 MC4R PDE6G LMNA ARHGEF18 SAG AMACR MTNR1B CP CNBP PLCD1 CTRC FSCN2 TERT SAMHD1 CNGB1
Type I diabetes mellitus
Genes 51
COX1 EDA2R TRNF SLC12A3 TRNH CFTR CORIN EIF2AK3 ND1 SLC16A2 MMP2 TRNE NEUROG3 DNAJC21 CNOT1 ND4 STOX1 TRNW COX3 FOXP3 TRNL1 EDA MMP14 PRSS1 TCF4 HNF1A EFL1 KCTD1 COX2 SRP54 TRNQ TRNS2 STUB1 DNAJC3 MST1 TTC7A ND6 PSTPIP1 FLT1 TRNS1 INS CLCNKB ND5 CTRC ITCH SBDS FOXP3 AIRE SPINK1 GPR35 STAT1