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Table 3 DEGs identified in KEGG pathway: Neuroactive ligand-receptor interaction. Differential expression indicates the average log2-fold change in RNA-Seq transcript levels from three independent experiments at each sampling period: D7 vs D0, D13 vs D7, D18 v D13, and D28 v D18. The p-values were ≤ 0.001. Negative log2-fold change corresponds to gene downregulation and the positive values indicate gene activation

From: Global transcriptome profile of the developmental principles of in vitro iPSC-to-motor neuron differentiation

Neuroactive ligand-receptor interaction

Gene ID

Description

Differential expression

Time

APLNR

apelin receptor

4.656030708

D0-D7

NMUR2

neuromedin U receptor 2

8.490690944

D0-D7

F2

coagulation factor II (thrombin)

2.589060962

D0-D7

CNR1

cannabinoid receptor 1

2.81817017

D0-D7

S1PR1

sphingosine 1-phosphate receptor 1

5.38497247

D0-D7

GRM4

metabotropic glutamate receptor 4

−3.861684955

D0-D7

GRIN2B

glutamate receptor ionotropic, NMDA 2B

−2.895136106

D0-D7

CHRNA3

nicotinic acetylcholine receptor alpha-3

2.7938378

D0-D7

HTR7

5-hydroxytryptamine receptor 7

−5.492892685

D0-D7

CHRNB4

nicotinic acetylcholine receptor beta-4

4.925250798

D0-D7

GRIA1

glutamate receptor 1

3.01762919

D0-D7

GRIA4

glutamate receptor 4

−2.647220311

D0-D7

GRIK1

glutamate receptor, ionotropic 42ainite 1

2.276415318

D0-D7

GRIK4

glutamate receptor, ionotropic 42ainite 4

−3.020412525

D0-D7

GRID2

glutamate receptor delta-2 subunit

−5.40793957

D0-D7

GLRA2

glycine receptor alpha-2

1.792820308

D0-D7

GLRB

glycine receptor beta

3.452103236

D0-D7

NR3C1

glucocorticoid receptor

−2.452514385

D0-D7

GHR

growth hormone receptor

2.976564346

D0-D7

CNR1

cannabinoid receptor 1

2.626395057

D7-D13

NR3C1

glucocorticoid receptor

3.341402421

D7-D13

GRIN2A

glutamate receptor ionotropic, NMDA 2A

2.854753149

D13-D18

CHRNA4

nicotinic acetylcholine receptor alpha-4

2.830329136

D13-D18

P2RX3

P2X purinoceptor 3

2.552456853

D13-D18

GRIA2

glutamate receptor 2

3.273675604

D13-D18

GRIA4

glutamate receptor 4

2.416455621

D13-D18

ADCYAP1R1

pituitary adenylate cyclase-activating polypeptide type I receptor

2.615605165

D13-D18

CHRM2

muscarinic acetylcholine receptor M2

3.383752478

D18-D28

CHRM3

muscarinic acetylcholine receptor M3

3.978819163

D18-D28

ADRA1A

adrenergic receptor alpha-1A

4.207285974

D18-D28

DRD2

dopamine receptor D2

−2.728065758

D18-D28

HTR7

5-hydroxytryptamine receptor 7

3.808433488

D18-D28

NMU

neuromedin U

−2.62455439

D18-D28

NPY5R

neuropeptide Y receptor type 5

3.804748523

D18-D28

HCRTR2

hypocretin (orexin) receptor 2

3.98239527

D18-D28

SSTR1

somatostatin receptor 1

6.807432954

D18-D28

TAC1

tachykinin 1

3.869735499

D18-D28

TACR3

tachykinin receptor 3

2.111829478

D18-D28

PTGER4

prostaglandin E receptor 4

2.824782168

D18-D28

GPR50

G protein-coupled receptor 50

4.747091061

D18-D28

LPAR1

lysophosphatidic acid receptor 1

1.500777066

D18-D28

S1PR1

sphingosine 1-phosphate receptor 1

2.506524278

D18-D28

ADCYAP1R1

pituitary adenylate cyclase-activating polypeptide type I receptor

−2.231972171

D18-D28

GRM1

metabotropic glutamate receptor 1

3.134222868

D18-D28

GRIN1

glutamate receptor ionotropic, NMDA 1

3.726336735

D18-D28

GRIN2D

glutamate receptor ionotropic, NMDA 2D

2.087932817

D18-D28

GRIN3A

glutamate receptor ionotropic, NMDA 3A

2.914543821

D18-D28

CHRNA3

nicotinic acetylcholine receptor alpha-3

−2.670435709

D18-D28

GRIA2

glutamate receptor 2

2.698334339

D18-D28

GRIA4

glutamate receptor 4

1.923861676

D18-D28

GRID2

glutamate receptor delta-2 subunit

4.217720694

D18-D28

GRIN2B

glutamate receptor ionotropic, NMDA 2B

4.109294839

D18-D28

GLRA3

glycine receptor alpha-3

5.577349539

D18-D28

GLRB

glycine receptor beta

1.392250382

D18-D28