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. 2021 Mar 29;16(3):e0245871. doi: 10.1371/journal.pone.0245871

Table 2. Extracellular metabolite profiling of CCA cells.

Metabolites Chemical shift (ppm) Control shRNA CD44shRNA#1 p-value CD44shRNA#2 p-value
Mean SD Mean SD Mean SD
Acetate 1.91(s); 1.92(s) 80621411 29581977 77793510 11296723 0.89 81684694 1908510 0.96
5-Hydroxytryptamine 3.12(t); 3.31(t); 7.1(s); 7.3(s); 7.42(d) 9453840 309635 9565075 230053 0.65 9643188 389248 0.55
Alanine 1.48(d); 3.79(q) 24838420 3043193 27763521 1430727 0.23 29358909 31434 0.12
Alpha-aminoisobutyrate 1.5(s) 7551400 2223 8064715 38533 0.00 7611648 190329 0.64
Choline 3.21(s); 3.52(m); 4.07(m) 19054547 711747 17442822 831861 0.06 15927649 539928 0.00
Carnitine 2.44(dd); 3.23(s); 3.43(m) 7928277 6230001 8862367 5926882 0.86 14657051 1378963 0.20
Cysteate 3.29(dd); 3.55(dd);4.1(dd) 14760560 1111762 10911037 1569558 0.03 16015323 2084060 0.42
Cysteine 3.03(dd);3.1(dd);3.97(t) 5168590 114695 5496504 59810 0.02 5173434 80343 0.96
Formate 8.46(s) 992562 200567 1131645 50819 0.35 1436960 27825 0.06
Glutamate 2.1(m); 2.36(d);3.77(t) 10139242 1235737 9646621 1021934 0.62 9076097 391355 0.27
Glutamine 2.14(m); 2.46(m); 3.77(t) 5055280 941146 5841647 686711 0.31 5238564 406770 0.78
Homoserine 2.03(m); 2.16(m); 3.79(m) 28531052 378523 26039497 656844 0.01 28854845 2250261 0.83
Isoleucine 0.94(t); 1.01(d); 1.26(m); 1.48(m); 1.98(m); 3.68(d) 31577921 2818006 30878412 1732803 0.74 27638507 354893 0.13
Kynurenine 3.72(d); 4.16(t); 6.82(t); 6.89(d);7.43(t); 7.89(d) 10828166 124376 11046765 75891 0.07 10822015 254377 0.97
Lactate 1.33(d); 4.11(q) 483437293 45780472 571290808 2378439 0.08 582492477 39725542 0.05
Methionine 2.14(s);2.16(m);2.65(t);3.86(t) 2918861 12539 3071895 63100 0.05 2944615 139671 0.78
N-Acetylhistamine 2.84(t);3.45(m);7.03(s);7.95(s) 3893415 166750 3940131 212722 0.78 4123136 156388 0.16
Lysine 1.48(m); 1.73(q); 1.91(m); 3.03(t); 3.76(t) 15716527 1132939 17103076 1293122 0.24 16508687 228739 0.35
Pyruvate 2.38(s) 14941174 4389969 13333639 5040858 0.70 9174226 566034 0.15
Alpha-hydroxybutyrate 0.9(t); 1.7 (m); 4.0(dd) 11290706 2058758 10534176 2090266 0.68 9589419 995065 0.29
p-Hydroxypheny-lacetate 3.45(s);6.87(d);7.17(d) 12081082 148156 12500655 112314 0.02 12403107 562972 0.43
Threonine 1.33(d);3.59(d);4.26(dq) 5472008 585886 4988499 1017401 0.52 3970536 349497 0.03
Tryptamine 3.18(t); 3.35(t); 7.21(t); 7.29(t); 7.34(s); 7.56(d); 7.71(d) 55098590 19499839 52738921 11129957 0.87 83057465 8047978 0.12
Glucose 3.69(m);3.82(m);8.78(s) 5459404 2440785 3754747 276885 0.35 1695742 487485 0.11
Valine 0.99(d); 1.04(d); 2.28(dd); 3.62(d) 38237289 338812 39865495 239507 0.00 38790628 1651787 0.62

(s) singlet; (d); doublet; (t) triplet; (q) quartet; (dd) doublet of doublet; (m) multiplet.

Data are expressed as mean ± S.D. from two-time independent experiments. p < 0.05 from t- test analysis.