Table S1. Top 25 of genes expressed 1.5-fold or more (p<0.01) by WC-Co than by CoCl2 in PBMC (15 min). Gene Name Description Function HMOX1 Systematic Name NM_002133 Fold change 16,00 Heme oxygenase (decycling) 1 Essential enzyme in heme catabolism and strong anti-oxidant PHLDA3 NM_012396 Pleckstrin homology-like domain, family Involved in extrinsic death receptor pathway, induction of Fas A, member 3 pathway VASN NM_138440 Vasorin. Type I membrane protein that binds TGF-β and attenuates TGF-β signaling 4,03 NAP1L2 NM_021963 Nucleosome assembly protein 1-like 2 Participates in DNA replication and contributes to cell proliferation 3,86 NQO1 NM_000903 NAD(P)H dehydrogenase, quinone 1 Flavoprotein that catalyzes the two electron reduction and stabilizes p53 3,76 HSPA1A NM_005345 Heat shock 70kDa protein 1A Chaperone stabilizing existing proteins and mediating folding of new translated proteins 3,50 CALCB NM_000728 Calcitonin-related polypeptide, beta Reduces Ca2+ levels 3,48 HTRA3 NM_053044 HtrA serine peptidase 3 Serine protease that inhibits TGF-β signalling 3,35 PIR NM_003662 Pirin (iron-binding nuclear protein) Fe (II) containing nuclear protein which may act as transcriptional cofactor and may be involved in regulation of DNA transcription and replication 3,25 ZFAND2A NM_182491 Zinc finger, AN1-type domain 2A Unclear function 2,98 UCHL1 NM_004181 Ubiquitin carboxyl-terminal esterase L1 (ubiquitin thiolesterase) Protein with hydrolase activity and ligase activity. Involved in degradation of ubiquitinated proteins 2,92 PSAT1 NM_058179 Phosphoserine aminotransferase 1 Involved in synthesis of phosphoserine 2,85 RGS3 NM_017790 Regulator of G-protein signalling 3 GTPase activating protein which inhibits G-protein mediated signal transduction 2,81 DNAJB4 NM_007034 DnaJ (Hsp40) homolog, subfamily B, member 4 Co-chaperone 2,78 6,73 FDXR NM_024417 Ferredoxin reductase Flavoprotein that initiates electron transport for cytochrome P450 and sensitizes cells to oxidative stress induced apoptosis 2,66 GCLM NM_002061 Glutamate-cysteine ligase, modifier subunit First rate limiting enzyme for glutathione synthesis 2,65 TXNRD1 NM_003330 Thioredoxin reductase 1 Pyridine nucleotide oxidoreductase which reduces thioredoxins and protects against oxidative stress 2,64 SPG3A NM_015915 Spastic paraplegia 3A (autosomal dominant) Unclear function 2,59 RRM2 NM_001034 Ribonucleotide reductase M2 polypeptide Enzyme controlling the concentration of deoxynucleotides and which assembles deoxynucleotides into DNA 2,58 GPT2 NM_133443 Glutamic pyruvate transaminase (alanine aminotransferase) 2 Enzyme responsible for glutamate metabolism 2,55 CTH NM_001902 Cystathionase (cystathionine gammalyase) Enzyme involved in cystathionine breakdown 2,52 E2F8 NM_024680 E2F transcription factor 8 Transcription factor involved in cell cycle regulation and DNA synthesis 2,49 ORC6L NM_014321 Origin recognition complex, subunit 6 like (yeast) Member of the complex essential for initiation of DNA replication 2,49 BRF2 NM_018310 BRF2, subunit of RNA polymerase III transcription initiation factor, BRF1-like Subunit of RMA pol II transcription factor complex 2,47 FBXW10 NM_031456 F-box and WD-40 domain protein 10 Protein-ubiquitin ligase 2,42