General Information:

Id: 8,176
Diseases: Cancer
Metabolic
Homo sapiens
Lung adenocarcinoma A549 cells
article
Reference: Fan TW et al.(2006) Integrating metabolomics and transcriptomics for probing SE anticancer mechanisms Drug Metab. Rev. 38: 707-732 [PMID: 17145697]

Interaction Information:

Comment Incubation of lung adenocarcinoma cells with selenite or selenomethionine results in growth inhibition, accompanied by alterations in cell morphology and cytoskeleton structures, as well as inhibition of mitochondrial redox activity.
Formal Description
Interaction-ID: 82233

drug/chemical compound

Selenite

decreases_activity of

process

cell growth

in cancer cells
Comment Selenite exposure enhances apoptosis in lung adenocarcinoma cells, as evidenced by an increase in DNA fragmentation and caspase activity.
Formal Description
Interaction-ID: 82234

drug/chemical compound

Selenite

increases_activity of

in cancer cells
Comment Incubation of lung adenocarcinoma cells with selenite or selenomethionine results in growth inhibition, accompanied by alterations in cell morphology and cytoskeleton structures, as well as inhibition of mitochondrial redox activity.
Formal Description
Interaction-ID: 82235

drug/chemical compound

Selenomethionine

decreases_activity of

process

cell growth

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82237

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Isoleucine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82238

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Leucine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82239

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Valine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82240

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Arginine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82241

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Tyrosine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82242

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Glutamine

in cancer cells
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82243

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Spermine

in cancer cells
Drugbank entries Show/Hide entries for
Comment The concentration of essential amino acids Ile, Leu, Val, Arg, Tyr and nonessential amino acid Gln as well as spermine, and phosphorylcholine increases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82244

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

Choline phosphate

in cancer cells
Comment The concentration of Glu, Asp, glutathione (GSH), lactate, and taurine decreases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82245

drug/chemical compound

Selenite

decreases_quantity of

drug/chemical compound

Glutamate

in cancer cells; This might indicate a lower activity of the TCA cycle.
Comment The concentration of Glu, Asp, glutathione (GSH), and taurine decreases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82246

drug/chemical compound

Selenite

decreases_quantity of

drug/chemical compound

Aspartate

in cancer cells
Comment The concentration of Glu, Asp, glutathione (GSH), and taurine decreases after 24-h treatment with selenite. The large depletion of GSH in selenite-treated cells results from oxidative stress.
Formal Description
Interaction-ID: 82247

drug/chemical compound

Selenite

decreases_quantity of

drug/chemical compound

Glutathione

in cancer cells
Drugbank entries Show/Hide entries for
Comment The concentration of Glu, Asp, glutathione (GSH), and taurine decreases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82248

drug/chemical compound

Selenite

decreases_quantity of

drug/chemical compound

Taurine

in cancer cells
Comment Addition of selenomethionine (SeM) induces depletion of phosphorylcholine, in contrast to its accumulation in response to selenite. These differences in metabolic responses between selenite- and SeM-treated cells suggest distinct mechanisms of toxicity for the two selenium forms.
Formal Description
Interaction-ID: 82256

drug/chemical compound

Selenomethionine

decreases_quantity of

drug/chemical compound

Choline phosphate

in cancer cells
Comment Addition of selenite induces a time-dependent increase in H2O2 production. This is consistent with the GSH depletion in selenite-treated cells.
Formal Description
Interaction-ID: 82257

drug/chemical compound

Selenite

increases_quantity of

drug/chemical compound

H2O2

in cancer cells
Comment Addition of selenite induces a time-dependent increase in H2O2 production. This is consistent with the GSH depletion in selenite-treated cells.
Formal Description
Interaction-ID: 82258

drug/chemical compound

Selenite

increases_activity of

in cancer cells
Comment The concentration of Glu, Asp, glutathione (GSH), lactate, and taurine decreases after 24-h treatment with selenite.
Formal Description
Interaction-ID: 82259

drug/chemical compound

Selenite

decreases_quantity of

drug/chemical compound

Lactate

in cancer cells; This might indicate a lower glycolytic activity.
Comment Selenite treatment results in down-regulation of 5 glycolytic enzymes, glucose-6-phosphate isomerase (GPI), phosphofructokinase 2 (PFK2, PFKFB), aldolase A (ALDOA), triosephosphate isomerase (TPI1) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH). This explains the reduced synthesis of lactate or glycolytic flux in response to selenite.
Formal Description
Interaction-ID: 82276

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

GPI

in cancer cells
Drugbank entries Show/Hide entries for GPI
Comment Selenite treatment results in down-regulation of 5 glycolytic enzymes, glucose-6-phosphate isomerase (GPI), phosphofructokinase 2 (PFK2, PFKFB) , aldolase A (ALDOA), triosephosphate isomerase (TPI1) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH). This explains the reduced synthesis of lactate or glycolytic flux in response to selenite.
Formal Description
Interaction-ID: 82277

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

PFKFB

in cancer cells
Comment Selenite treatment results in down-regulation of 5 glycolytic enzymes, glucose-6-phosphate isomerase (GPI), phosphofructokinase 2 (PFK2, PFKFB) , aldolase A (ALDOA), triosephosphate isomerase (TPI1) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH). This explains the reduced synthesis of lactate or glycolytic flux in response to selenite.
Formal Description
Interaction-ID: 82278

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

ALDOA

in cancer cells
Drugbank entries Show/Hide entries for ALDOA
Comment Selenite treatment results in down-regulation of 5 glycolytic enzymes, glucose-6-phosphate isomerase (GPI), phosphofructokinase 2 (PFK2, PFKFB) , aldolase A (ALDOA), triosephosphate isomerase (TPI1) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH). This explains the reduced synthesis of lactate or glycolytic flux in response to selenite.
Formal Description
Interaction-ID: 82279

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

TPI1

in cancer cells
Drugbank entries Show/Hide entries for TPI1
Comment Selenite treatment results in down-regulation of 5 glycolytic enzymes, glucose-6-phosphate isomerase (GPI), phosphofructokinase 2 (PFK2, PFKFB) , aldolase A (ALDOA), triosephosphate isomerase (TPI1) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH). This explains the reduced synthesis of lactate or glycolytic flux in response to selenite.
Formal Description
Interaction-ID: 82280

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

GAPDH

in cancer cells
Drugbank entries Show/Hide entries for GAPDH
Comment Selenite treatment results in down-regulation of mitochondrial pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase, isocitrate dehydrogenase, and malate dehydrogenase. This may account for the attenuated TCA cycle activity, which, together with the reduced glycolytic activity, leads to the reduced synthesis of glutamate from glucose.
Formal Description
Interaction-ID: 82281

drug/chemical compound

Selenite

decreases_activity of

complex/PPI

Pyruvate dehydrogenase complex

in cancer cells
Comment Selenite treatment results in lower expression of acetyl-CoA carboxylase, which catalyzes the rate-limiting step in the biogenesis of long-chain fatty acids.
Formal Description
Interaction-ID: 82296

drug/chemical compound

Selenite

decreases_quantity of

gene/protein

ACAC

in cancer cells; This might indicate perturbations in the fatty acid synthesis.