Original Article
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 14, 2014; 20(22): 6844-6859
Published online Jun 14, 2014. doi: 10.3748/wjg.v20.i22.6844
Table 1 Correlations between clinicopathological parameters and Na+/K+/2Cl- cotransporter 1 expression
VariableNKCC1 expression
P value
Low gradeHigh grade
Age (yr)< 6012100.1874
≥ 601630
GenderMale25320.5049
Female38
Location of tumorCe/Ut430.4346
Mt/Lt/Ae2437
Tumor size (mm)< 5018300.4206
≥ 501010
Histological typeDifferentiated type SCC25210.0015a
Poorly differentiated type SCC319
pTpT110210.2191
pT2-31819
pNnegative13200.8095
positive1520
pStageI6160.1231
II-III2224
Ki-67 labeling index28.7 ± 2.329.9 ± 2.00.6834
Table 2 Twenty genes displaying the highest change in expression levels in Na+/K+/2Cl- cotransporter 1 depleted KYSE170 cells
Gene SymbolGene IDGene NameFold Change
Upregulated Genes
C18orf34NM_001105528Chromosome 18 open reading frame 34155.49
KCNA6NM_002235Potassium voltage-gated channel, shaker-related subfamily, member 6140.4
CCDC147NM_001008723Coiled-coil domain containing 147105.98
C20orf202NM_001009612Chromosome 20 open reading frame 20286.17
A1CFNM_138933APOBEC1 complementation factor70.98
SH3GL2NM_003026SH3-domain GRB2-like 270.93
PTGFRNM_001039585Prostaglandin F receptor (FP)66.99
NDNNM_002487Necdin homolog (mouse)66.45
INPP5DNM_001017915Inositol polyphosphate-5-phosphatase, 145 kDa52.83
CYP2E1NM_000773Cytochrome P450, family 2, subfamily E, polypeptide 152.44
AGBL3NM_178563ATP/GTP binding protein-like 350.88
UBTFL1NM_001143975Upstream binding transcription factor, RNA polymerase I-like 147.88
PADI2NM_007365Peptidyl arginine deiminase, type II46.83
CCR1NM_001295Chemokine (C-C motif) receptor 144.86
ARCNM_015193Activity-regulated cytoskeleton-associated protein44.41
COLEC10NM_006438Homo sapiens collectin sub-family member 10 (C-type lectin)44.28
DNAH6NM_001370Dynein, axonemal, heavy chain 641.96
BOLLNM_033030Bol, boule-like (Drosophila)41.31
CORO2BNM_006091Coronin, actin binding protein, 2B41.04
MUC7NM_152291Mucin 7, secreted36.97
Downregulated Genes
NPFFR1NM_022146Neuropeptide FF receptor 1-54.97
LRRFIP1NM_001137550Leucine rich repeat (in FLII) interacting protein 1-44.72
PPIL6NM_173672Peptidylprolyl isomerase (cyclophilin)-like 6-44.46
CRHR2NM_001883Corticotropin releasing hormone receptor 2-39.78
CMTM2NM_144673CKLF-like MARVEL transmembrane domain containing 2-39.62
C5NM_001735Complement component 5-39.13
KCNMA1NM_001014797Potassium large conductance calcium-activated channel, subfamily M, alpha member 1-38.59
HESX1NM_003865HESX homeobox 1-33.03
SLC22A2NM_003058Solute carrier family 22 (organic cation transporter), member 2-32.49
WNT8BNM_003393Wingless-type MMTV integration site family, member 8B-32.17
GRIA1NM_000827Glutamate receptor, ionotropic, AMPA 1-31.27
ZNF367NM_153695Zinc finger protein 367-30.04
GPR128NM_032787G protein-coupled receptor 128-29.88
SLC12A2NM_001046Solute carrier family 12 (sodium/potassium/chloride transporters), member 2-28.92
KCNG2NM_012283Potassium voltage-gated channel, subfamily G, member 2-28.3
ECT2LNM_001077706Epithelial cell transforming sequence 2 oncogene-like-27
ERMNNM_020711Ermin, ERM-like protein-26.61
DPP10NM_020868Dipeptidyl-peptidase 10 (non-functional)-26.58
TSPAN7NM_004615Tetraspanin 7-25.54
APOA1NM_000039Apolipoprotein A-I-25.21
Table 3 Top biological functions, canonical pathways, and networks of Na+/K+/2Cl- cotransporter 1 according to Ingenuity Pathway Analysis
Top Biological Functions
Diseases and disorders
NameP valueNumber of molecules
Cancer2.08E-12 - 1.59E-02277
Gastrointestinal disease8.03E-12 - 1.60E-02149
Reproductive system disease2.25E-09 - 1.57E-02138
Hematological disease1.72E-06 - 1.22E-0270
Hereditary disorder2.10E-06 - 1.57E-02120
Molecular and cellular functions
NameP valueNumber of molecules
Cell cycle1.06E-20 - 1.60E-02158
Cellular assembly and organization1.06E-20 - 1.36E-02111
DNA replication, recombination, and repair1.06E-20 - 1.16E-02133
Cellular movement8.36E-11 - 1.51E-0282
Cell death2.98E-06 - 1.56E-02216
Top canonical pathways
NameP valueRatio
Role of BRCA1 in the DNA damage response9.79E-612/65 (0.185)
Mitotic roles of Polo-Like kinase7.37E-511/69 (0.159)
Estrogen-mediated S-phase entry4.91E-46/28 (0.214)
Cell Cycle: G2/M DNA damage checkpoint regulation5.07E-48/49 (0.163)
Role of CHK proteins in cell cycle checkpoint control5.37E-49/56 (0.161)
Top networks
Associated network functionsScore
Cellular assembly and organization; DNA replication, recombination, and repair; Cell cycle47
Cellular assembly and organization, Cell cycle, DNA replication, recombination, and repair43
Cell cycle; DNA replication, recombination, and repair; Cancer37
Digestive system development and function, organismal injury and abnormalities, cellular function and maintenance37
Cellular assembly and organization; DNA replication, recombination, and repair; Cardiovascular disease35
Table 4 Cell growth-related genes with expression levels in KYSE170 cells that were changed by the depletion of Na+/K+/2Cl- cotransporter 1
Gene symbolGene IDBiological functions
Fold change
Cell growth and proliferationCell cycle
Upregulated genes
NDNNM_00248766.45
INPP5DNM_00101791552.83
CCR1NM_00129544.86
COL1A2NM_00008936.72
EDARNM_02233635.86
RBP4NM_00674430.40
DCLK1NM_00473428.95
RARRES1NM_00288822.92
FMODNM_00202322.85
BARX1NM_02157021.47
MAPK10NM_13898020.00
ADORA2ANM_00067518.78
CHRNA7NM_00119045518.47
SOX10NM_00694118.03
FGF20NM_01985116.73
FAM5CNM_19905114.35
MBD2NM_01583212.13
EGFNM_00196311.50
TLR5NM_00326811.35
TNNNM_02209310.98
SLC1A2NM_00417110.74
CD36NM_00100154710.43
CD52NM_00180310.34
NR2E3NM_01634610.31
PLCB1NM_18273410.26
MYCNNM_00537810.23
ZNF365NM_19945110.12
ERGNM_00444910.04
MSH4NM_00244010.03
DMRT1NM_0219519.61
RNF128NM_1944639.37
CD69NM_0017818.89
PDE3ANM_0009218.58
ACVR1CNM_1452598.57
SPI1NM_0010805478.55
SH2D3CNM_1706008.53
IFNGNM_0006198.22
MRASNM_0122198.20
MCF2LNM_0249797.43
RRADNM_0041657.42
E2F5NM_0019517.32
BGNNM_0017117.13
KIFC1NM_0022637.02
ABCC6NM_0011716.98
SERPINE1NM_0006026.74
CIITANM_0002466.74
GJB6NM_0067836.45
TP53INP1NM_0332856.38
GHRLNM_0163626.30
CCNG2NM_0043546.29
RORCNM_0050606.24
NCF1NM_0002656.24
NFATC4NM_0011360226.15
CHRM5NM_0121256.01
HMOX1NM_0021336.00
IL18RAPNM_0038535.98
C8orf4NM_0201305.95
L1CAMNM_0240035.87
TNFSF8NM_0012445.85
MSMBNM_0024435.77
ITPR1NM_0022225.77
ITGALNM_0022095.73
INHBANM_0021925.53
HEYLNM_0145715.38
JAK3NM_0002155.30
MMP13NM_0024275.23
NNMTNM_0061695.06
BNIPLNM_1382784.86
LTC4SNM_1458674.74
MMP24NM_0066904.72
MMP1NM_0024214.66
CD19NM_0017704.52
ADCNM_0529984.46
TGFBR1NM_0046124.33
RHOBNM_0040404.32
CDKN1CNM_0000764.30
HOXB13NM_0063614.20
IPMKNM_1522304.07
BMFNM_0010039404.06
VTCN1NM_0246264.05
CEACAM1NM_0017122.97
TSSK3NM_0528412.00
Downregulated genes
CRHR2NM_001883-39.78
C5NM_001735-39.13
KCNMA1NM_001014797-38.59
GRIA1NM_000827-31.27
SLC12A2NM_001046-28.92
APOA1NM_000039-25.21
PRKAR2BNM_002736-24.25
TFNM_001063-22.85
BRCA2NM_000059-22.04
AURKCNM_001015878-21.69
PLXNA4NM_181775-20.54
TYRNM_000372-20.39
BACH2NM_021813-20.01
KIF14NM_014875-18.06
HEY2NM_012259-18.01
TMPONM_003276-15.97
FCGR3ANM_000569-15.18
ARF6NM_001663-15.09
MYBL1NM_001080416-14.60
CCNA1NM_003914-14.29
ESCO2NM_001017420-14.05
TOP2ANM_001067-13.91
CENPINM_006733-13.87
ATAD2NM_014109-13.41
POSTNNM_006475-12.91
MKI67NM_002417-12.41
ABCB1NM_000927-12.15
KIF20BNM_016195-11.53
SPNNM_001030288-11.41
MAD2L1NM_002358-11.16
HLA-DPB1NM_002121-11.12
SGOL1NM_001012410-10.91
RRM2NM_001034-10.71
FANCD2NM_033084-10.55
FANCANM_001018112-10.31
HDAC2NM_001527-9.94
NUF2NM_145697-9.76
CLSPNNM_022111-9.57
RAD54LNM_003579-9.47
KLHL13NM_033495-9.32
CCNA2NM_001237-9.13
MCM10NM_182751-9.11
MCTS1NM_014060-9.02
ANLNNM_018685-9.00
HMGB2NM_002129-8.86
VPREB1NM_007128-8.81
KIF4ANM_012310-8.78
SPC25NM_020675-8.75
ALOX5NM_000698-8.55
PBKNM_018492-8.20
TNFRSF11BNM_002546-8.20
CITNM_001206999-8.17
HELLSNM_018063-8.1
CDC45NM_003504-8.07
DTLNM_016448-8.00
RGS3NM_017790-7.93
TYMSNM_001071-7.87
NDC80NM_006101-7.86
ERCC6LNM_017669-7.82
CENPENM_001813-7.75
TTKNM_003318-7.74
SIM2NM_009586-7.61
KRT4NM_002272-7.55
RAD51AP1NM_006479-7.55
LTANM_000595-7.51
PAK2NM_002577-7.50
SLC5A8NM_145913-7.41
BLMNM_000057-7.40
NUSAP1NM_016359-7.36
JDP2NM_130469-7.19
CASP3NM_004346-7.17
NEIL3NM_018248-7.17
POLHNM_006502-7.11
KIF20ANM_005733-7.08
MYO7ANM_000260-6.93
NRGNNM_006176-6.82
NCAPGNM_022346-6.78
CDCA8NM_018101-6.72
CEP55NM_018131-6.65
DLGAP5NM_014750-6.60
CDC25CNM_001790-6.59
ARL2BPNM_012106-6.58
IL12ANM_000882-6.53
MYH14NM_001077186-6.52
SKA1NM_001039535-6.46
CASC1NM_018272-6.44
HJURPNM_018410-6.42
TACC3NM_006342-6.33
ENPP3NM_005021-6.30
STILNM_001048166-6.27
KNTC1NM_014708-6.26
NR1I2NM_003889-6.24
AKR1B10NM_020299-6.22
E2F2NM_004091-6.20
USP47NM_017944-6.14
KIF11NM_004523-6.09
E2F8NM_024680-6.05
PLK1NM_005030-6.02
CCDC6NM_005436-6.00
ORC6NM_014321-6.00
EXO1NM_003686-5.95
GPC5NM_004466-5.94
GSG2NM_031965-5.93
PRC1NM_003981-5.89
RAD51NM_002875-5.78
KIF2CNM_006845-5.71
TNFRSF13CNM_052945-5.70
BLZF1NM_003666-5.63
FEN1NM_004111-5.51
PLK4NM_014264-5.49
HAS2NM_005328-5.44
PKMYT1NM_182687-5.40
BUB1NM_001211-5.34
BUB1BNM_001211-5.34
NEK2NM_002497-5.33
IQGAP3NM_178229-5.27
SKA3NM_145061-5.23
PNNNM_002687-5.20
NTRK3NM_001007156-5.17
IL25NM_022789-5.09
UBE2CNM_181803-5.09
AURKBNM_004217-5.08
CDC6NM_001254-5.08
CDKN2CNM_078626-5.06
EDN2NM_001956-5.06
CDC20NM_001255-5.05
RRM1NM_001033-5.05
APCNM_000038-5.04
KIF15NM_020242-5.03
LMNB1NM_005573-5.02
NCAPG2NM_017760-4.96
CCNE2NM_057749-4.94
HMMRNM_012484-4.93
BRIP1NM_032043-4.90
ECT2NM_018098-4.89
CDT1NM_030928-4.87
MCAMNM_006500-4.82
LAG3NM_002286-4.78
ZWINTNM_032997-4.73
DCLK2NM_001040260-4.72
TRAIPNM_005879-4.71
SSTR2NM_001050-4.69
TXKNM_003328-4.65
TBC1D9NM_015130-4.63
IL1RNNM_173843-4.61
CDCA7NM_031942-4.56
STK38NM_007271-4.56
CDCA5NM_080668-4.54
E2F7NM_203394-4.54
FIGNL1NM_001042762-4.51
SMC4NM_005496-4.50
CYCSNM_018947-4.48
FBN1NM_000138-4.48
NCAPD3NM_015261-4.46
IL16NM_172217-4.44
PCNANM_002592-4.42
FBXO5NM_001142522-4.37
CKAP2NM_018204-4.34
IL34NM_152456-4.34
PSRC1NM_032636-4.33
C11orf82NM_145018-4.32
CHRDL1NM_145234-4.31
RAD54BNM_012415-4.31
DIAPH3NM_001042517-4.29
AKR1C1NM_001353-4.26
INHBBNM_002193-4.25
MDM2NM_002392-4.25
PRKAA1NM_206907-4.25
MASTLNM_032844-4.23
MCM5NM_006739-4.21
CD2APNM_012120-4.20
BRCA1NM_007300-4.18
TPX2NM_012112-4.15
FGFBP1NM_005130-4.14
EIF4G2NM_001172705-4.12
AURKANM_198433-4.10
PTTG1NM_004219-4.08
ADRA1BNM_000679-4.07
RECQL4NM_004260-4.02
GJB2NM_004004-4.00
BIRC5NM_001012271-3.35
TERF1NM_017489-3.18
LRP1NM_032832-2.43
CDK1NM_012395-2.21
ARHGEF10NM_014629-2.08