1 H NMR metabolic profiling of human serum associated with benign and malignant gallstone diseases Authors: Kanchan Sonkar1, Anu Behari2, V. K. Kapoor2, Neeraj Sinha1* Authors affiliations: 1. Centre of Biomedical Magnetic Resonance, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS) - Campus, Lucknow-226014, Uttar Pradesh, India 2. Department of Surgical Gastroenterology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow-226014, Uttar Pradesh, India *Correspondence to: Dr. Neeraj Sinha Centre of Biomedical Magnetic Resonance, Sanjay Gandhi Postgraduate Institute of Medical Sciences Campus, Raibarely Road, Lucknow-226014 (INDIA) E-mail: neerajcbmr@gmail.com, neeraj.sinha@cbmr.res.in Contact: +91-0522-2495031 Fax: +91-522 – 2668215 Supporting Information Figure 1: Expansion of 1H COSY spectrum (From 0.5 to 6.1 ppm) of human serum from healthy control along with the assignment of the metabolites (Ile; Isoleucine, Leu; Leucine, Val; Valine, Lys; Lysine, Glu; Glutamate, Gln; Glutamine, Ala; Alanine, Lac; Lactate, Thr; Threonine, Asp; Aspartic acid, Asn; Asparagine, Glc; Glucose) Table 1: Chemical shift assignments of metabolites observed in the 1H NMR CPMG spectrum of human serum in different pathologies of gallbladder using one dimensional (1D) chemical shift reported in literature (LIT), two dimensional COSY, HSQC and comparing standard NMR spectrum (STD) of individual metabolites taken from Biological Magnetic Resonance Bank (BMRB). SN Name of Metabolites Chem. Shift Resonances Methods 1 Acetate 1.92 (s) CH3 1D, HSQC 2 Alanine 1.48 (d) β-CH3 1D, COSY 3.78 (q) α-CH 3 Arginine 1.68 (m) γ-CH2 1.90 (m) β-CH2 3.25(m) δ-CH2 3.77(m) α-CH 2.87 (dd) β-CH 2.95 (dd) β'-CH 4.01 (dd) α-CH 2.69 (dd) β-CH 2.82 (dd) β'-CH 3.90 (dd) α-CH 3.21 (s) N(CH3)3 3.53(m) N-CH2 4.07(m) O-CH2 2.53 (d) CH2 2.67 (d) CH2 3.03( ) N-CH3 3.94( ) N-CH2 0.90/0.96 CH3 1.3( ) .-(CH2)n- 1.59( ) CH2-CH2-CO 2.04/2.07 CH=CH-CH2 2.26( ) CH2-CO 2.81( ) CH=CH-CH2-CH=CH 5.33( ) CH=CH 8.45 (s) CH 5.24 (d) C1H 3.24 (dd) C2H 3.41 ( ) C4H 3.47 ( ) C5H 3.49 (t) C3H 3.74 ( ) C6H 4 5 6 7 8 9 10 11 Asparagine Aspartic Acid Choline Citric Acid Creatine Fatty acids Formic Acid β-Glucose 1D, COSY 1D, COSY 1D, COSY 1D, COSY 1D, STD 1D, HSQC 1D, COSY, LIT 1D, STD 1D, COSY 12 13 14 15 Glutamic Acid Glutamine Histidine Isoleucine 16 Lactate 17 LDL/VLDL/HDL 18 Leucine 19 20 21 22 Lysine Phenylalanine Threonine Tyrosine 3.91 ( ) C6'H 4.65 (d) C1H 2.09 ( ) β-CH2 2.35 (m) γ-CH2 3.77 ( ) α-CH 2.13 (m) β-CH2 2.44 (m) γ-CH2 3.77 ( ) α-CH 3.15 (dd) β-CH 3.24 (dd) β'-CH 4.00 (dd) α-CH 7.13 (s) C4H-ring 7.98 (s) C2H-ring 0.94 (t) δ-CH3 1.01 (d) γ-CH3 1.26 (m) γ-CH 1.47 (m) γ'-CH 1.98 (m) β-CH 3.68 (d) α-CH 1.33 (d) β-CH3 4.12 (q) α-CH 0.96 (d) δ-CH3 0.97 (d) δ'-CH3 1.71 (m) γ-CH/β-CH2 3.75 ( ) α-CH 1.47 (m) γ-CH2 1.72 (m) β-CH2 1.9 (m) δ-CH2 3.02 ( ) N-CH2 3.74 ( ) α-CH 3.12 ( ) β-CH 3.28 ( ) β'-CH 3.98 ( ) α-CH 7.32 (d) C2H, C6H-ring 7.37 (m) C4H-ring 7.41 (m) C3H, C5H-ring 1.34 (d) γ-CH3 3.6 (d) α-CH 4.25 (m) β-CH 3.06 (dd) β-CH 3.19 (dd) β'-CH 3.95 (dd) α-CH 1D, COSY 1D, COSY 1D, COSY, STD 1D, COSY, STD 1D, STD, COSY 1D, STD, COSY 1D, STD, COSY 1D, STD, COSY 1D, COSY, STD 1D, COSY, STD 23 24 Uracil Valine 6.89 (d) C3H, C5H-ring 7.18 (d) C2H, C6H-ring 5.8 (s) C5H-ring 7.54 (d) C6H-ring 0.99 (d) γ-CH3 1.04 (d) γ'-CH3 3.62 (d) β-CH 2.28 ( ) α-CH 1D, COSY, STD 1D, COSY, STD Table 2: Structure of metabolites identified and assigned by one and two dimensional NMR experiments: O NH2 O H3C H3C H N H2N OH OH H2N Acetic Acid Alanine O HO OH NH2 O Asparagine Arginine NH O OH H2N OH N CH3 NH2 Aspartic Acid O Creatine COOH HO COOH N+ HOOC HO OH OH OH 10 O 6 OH 6 1 4 4 HO OH O 5 1 5 3 2 OH O Formic Acid Choline Citric Acid COOH NH O H2N HO 2 OH 3 OH OH Beta glucose Alpha glucose H2N COOH HOOC 1 NH2 NH2 N 2 COOH HN O Glutamic Acid ' CH3 COOH CH3 H3C NH2 4 3 Glutamine Histidine COOH H 2N CH3 NH2 Isoleucine COOH 5 NH2 COOH NH2 Lysine Leucine 6 COOH 5 COOH NH2 2 4 HO NH2 3 HO Lactic Acid Phenylalanine OH 4 3 5 2 6 5 COOH Tyrosine 6 Threonine H3C O 4 NH 3 1 H2N CH3 1 H3C COOH 2 N H 1 Uracil NH2 COOH H3C ' O Valine