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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Leuk Lymphoma. 2017 Jun 13;59(3):542–561. doi: 10.1080/10428194.2017.1337115

Table 2:

Literature review of “omics” studies on “myeloma” “resistance” published between 2010 and 2016

CLINICAL STUDIES
Resistant to Primary (n) vs CL Type of Cell Assayed “Omic” Technology Used Gene/Protein Expression Database Pathways Involved in Resistance Specific Findings Country Year Reference (PMID)
Resistance to Proteasome Inhibitors
1 BTZ (544) Primary MM cells GEP GSE2658 Cell survival, proliferation, DNA repair JUN and EGR-1 are critical components in BTZ-induced apoptosis in primary MM cells; knockdown of JUN or EGR-1 resulted in BTZ resistance in MM cell lines USA 2010 (19837979)
2 BTZ, IMiD, CST (1) Drug-resistant extramedullary primary MM WGS, WES, GEP NA 4 somatic insertions/deletions, 38 intrachromosomal rearrangements, 35 translocations, 271 nonsynonymous point mutations in KRAS, PIK3CA, ATM, NF-κB2; Truncating mutation of CRBN, point mutations in proteasome subunit G2 and glucocorticoid receptor USA 2013 (23480694)
cGH NA Aneuploidy, deletions del1(p13.2–34.2), monosomy 13, monosomy X
3 BTZ, DEX (345) Primary MM cells GEP GSE2658 Redox homeostasis SCARA3 upregulation in MM cells results in BTZ and DEX resistance; SCARA3 protects against oxidative stress-induced cell killing USA 2013 (23537707)
4 BTZ (417) Primary NPC (n=22); MGUS (n=44); MM (n=351) GEP GSE2658 BTZ resistance is associated with tupregulation of antioxidant genes (CuZnSOD, GPx-1, GSH); the overexpression of SOD1 induced BTZ resistance while the inhibition of CuZnSOD increased BTZ sensitivity USA 2015 (25485927)
5 BTZ NA Primary MM cells GEP GSE4581
GSE6477
Hypoxia-induced and acquired BTZ resistance results in increased TrxR1 expression and NF-κB subunit p65 nuclear protein levels; inhibition of TrxR1 restored sensitivity of MM cells to BTZ and decreased hypoxia induced upregulation of p65 AUS 2016 (26743692)
36 CFZ NA Primary MM cells (MRD) GEP GSE70399 Redox homeostasis, protein handling, apoptosis, inflammation CFZ resistance is associated with the upregulated expression of Nrf2 target genes which include autophagy related genes GABARAPL1 and SQSTM1/p62. CFZ resistance is also associated with the induction of the unfolded protein response (UPR) and PERK-eIF2α signalling which in turn results in NrF2 overexpression. EIF4E3, a downstream target and positive upstream regulator of NrF2, is upregulated in CFZ-resistant cells. Inhibition of the Nrf2-EIF4E3 axis or the PERK-eIF2α pathway, disruption of redox homeostasis, or the inhibition of fatty acid oxidation conferred sensitivity to CFZ USA 2016 (27626179)
CL CFZ-resistant MM cell line: LP-1/CFZ GSE78069
7 PAD (77) Primary RR MM (to THAL-based regimen) LC-MS/MS NA Reduced response to PAD is associated with: (1) Upregulation of proteasome proteins and molecules related to protein folding; (2) Increased relative abundance of TXN, TXNDC5, thioredoxin-dependent peroxide reductase, and thioredoxin-like protein 1, upregulation of PRDX2/5/6, decreased levels of catalase, myeloperoxidase, and glutathione S-transferase P; (3) Annexin A1/A6 and vimentin downregulation; (4) upregulation of four programmed cell death proteins; (5) downregulation of proteins involved in inflammatory and defence response, apart from MHCII and macrophage migration inhibitory factor which were increased POL 2016 (27527861)
8 BTZ NA Primary MM cells GEP NA BTZ resistance is associated with del(8)(p21) which results in altered expression of genes such as TRAIL-R4, CCDC25, RHOBTB2, PTK2B, SCARA3, MYC, BCL2, and TP53 SWE 2015 (26378933)
9 BTZ (20) BTZ treated primary MM cells DNA Seq NA Protein handling BTZ resistance results from inactivating XBP1 mutations: XBP1-L167I mutation (mapped to Ire1 splice site on XBP1u); XBP1s-P326R (non-conservative missense mutation within trans-activation domain of Xbp1s) CAN 2015 (24029229)
10 VMP +/− RD (7) Primary MM cells: MRD subclone after Induction therapy GEP GSE70399 BTZ resistance associated with inhibition of pathways involved in protein export, protein processing in ER, N-glycan biosynthesis. Overexpression of cancer related genes: FERMT3, TSPO, ALOX5, NCF4, FLNA, PREX1, PYCARD, MY01G found to contribute to BTZ resistance. Downregulation of cancer related genes: SERPINI1, DUSP11, ALCAM, CCNC, COPZ1, FZD3, E2F5; ER related genes: PDIA5, EMC7; PI related genes: PSMD10, SMILE/TMTC3, PSME3, PSMB6, CAV1 also associated with resistant phenotype ESP 2016 (26755711)
11 CFZ CL MM cell line: NCI-H929/CFZ GEP NA Drug-efflux Upregulated ABCB1 expression confers resistance to CFZ; ABCB1-hi cells associated with upregulation of ASPM, KIF14, TMPO, ADM, EPAS1, HIF-2α, CXCL12/SDF1, HBEGF USA 2013 (23475625)
(6) Primary MM cells NA
(304) Primary MM cells MMRC reference collection dataset
12 BTZ, DOX (9) Primary MM cells GEP GSE19554 ALDH1A1 upregulates survival proteins (Akt and BCL2) and contributes to drug resistance; overexpression of ALDH1A1 also led to upregulation of ALDH1A1-RXRα-NEK2 pathway resulting in activation of drug-efflux pump ABCB1 USA 2014 (25230277)
13 VD or VAD (24) Matched diagnostic and relapse primary MM samples DNA Copy Number + LOH GSE37459 Cell cycle Relapse associated with increase in CNA (diagnosis: 15.8 vs relapse: 19.1); Relapse represented intraclonal evolution and diversification of myeloma; Upregulation of NF-κB genes at relapse; 1q21 gain, TP53 deletions FRA 2013 (22874878)
14 BTZ (264) Primary relapsed MM GEP NA CKS1B expression is increased in relapsed MM and confers drug resistance to BTZ USA 2015 (26156395)
15 BTZ (1) Primary MM cells DNA Seq NA Eight nonsynonymous somatic mutations and several copy number variants including CCND1 and RB1 JPN 2015 (26491355)
16 BTZ NA Primary MM cells (CR vs PD) GEP GSE9782 Plasma cell maturation Expression of XBP1 target genes lower in PD (BTZ-resistant) tumors; suppression of XBP1s induces BTZ resistance via de-commitment to plasma cell maturation and Ig production resulting in diminished ER front-loading and cytotoxic susceptibility to PI-induced inhibition of ER-associated degradation CAN 2015 (24029229)
17 VMP +/− RD (12) Primary MM cells: MRD subclone after Induction therapy DNA Copy Number + LOH GSE70399 Copy number abnormalities CNA: 66 CNA (56 losses and 10 gains) uniquely present in either dignostic or MRD clonal PC population
CNN-LOH: 3 patients’ MRD clonal PCs lacked CNN-LOH present at diagnosis, whereas 1 patient’s MRD clonal PCs had a CNN-LOH in chromosome 1 that was not detected at diagnosis
ESP 2016 (26755711)
18 BTZ (9) Primary drug-resistant pre-plasma cells GEP NA Epigenetic Drug-resistant pre-PCs (CD19- CD138-) are enriched in epigenetic regulators (e.g. histone methyltranferases and demethylases, histone acetyltransferases and deacetylases), suggesting drug resistance is associated with a reversible bidirectional phenotypic transition of myeloma-propagating cells GBR 2013 (23169779)
19 BTZ (6) Primary MM cells (BTZ-responders vs BTZ-resistant) miRNA array NA Resistance to BTZ associated with downregulation of exosomal miR-16–5p, miR-15a-5p, mir-17–5p, and miR-20a-5p CHN 2016 (27129167)
Resistance to Conventional Chemotherapy
20 MPH (357) CD138+ primary MM cells GEP NA Drug-efflux, protein handling Resistance associated genes: SLC31A2 (membrane pump), FBXW7, USP6, UBE2J1, Wnt-5a (UPS), CSGAL-NACT1 (component of CD138) DEN 2013 (24376673)
21 MPH (12) Primary MM cells GEP GSE2658 Cell-cycle Kruppel-like factor 4 (KLF4) expression increased resistance of MM cells to MPH resulting cell cycle blockade; KLF4 associated with induction of p21(Cip1) and p27(Kip1) in cell lines with intact p53 pathway and of p27(Kip1) only in those with impaired p53 pathway FRA 2013 (23585530)
22 MPH, DEX CL and Primary MM cell line: ARP-1 and primary human macrophage cells GEP NA Apoptosis, survival, proliferation PSGL-1 (P-selectin glycoprotein ligand-1)/selectins and ICAM-1/CD18 contribute to macrophage-mediated myeloma cell drug resistance; interaction of these molecules activated Src and Erk1/2 kinases and c-myc pathways and suppressed caspase activation induced by chemotherapy USA 2013 (22996336)
Resistance to Other Therapies
23 Multidrug (51) Primary MM cells GEP NA Survival, proliferation CKS1B overexpression activates downstream STAT3 and MEK/ERK pathways resulting in drug resistance USA 2010 (20930946)
24 Multidrug (19) Primary MM cells GEP GSE19554 NEK2, a chromosome instability gene, is highly associated with drug resistance; overexpression of NEK2 activates Akt and Wnt signalling USA 2012 (23328480)
25 NK cell lysis (12) Primary MM cells GEP NA Antigen presentation MHCI highly expressed in patient MM cells that were relatively resistant to NK-92 cell lysis CHN 2014 (24850305)
PRE-CLINICAL STUDIES
Resistant to Type of Cell Assayed “Omic” Technology Used Gene/Protein Expression Database Pathways Involved in Resistance Specific Findings Country Year Reference (PMID)
Resistance to Proteasome Inhibitors
26 BTZ MM cell line: KMS-11 siRNA screen NA Plasma cell maturation Suppression of XBP1s induces BTZ resistance by de-commitment to plasma cell maturation and immunoglobulin production thereby decreasing ER front-loading and cytotoxic susceptibility to PI-induced ERAD CAN 2015 (24029229)
IRE1/XBP1 knockdown MM cell line: OCI-MY5 GEP GSE44968 Protein handling IRE1 knockdown associated with BTZ resistance
27 BTZ BTZ-resistant MM cell line: U266/R6 GEP NA HSP88 overexpressed in BTZ-resistant cells; HSPB8 plays important role in elimination of aggregates FRA 2014 (25051369)
28 BTZ BTZ-resistant MM cell lines: KMS-11/BTZ, OPM-2/BTZ DNA Seq NA Ubiquitin-proteasome system Point mutation (G322A) in PSMB5 gene mediates BTZ resistance JPN 2010 (20555361)
29 BTZ Multidrug-resistant MM cell line: RPMI-R5 GEP NA USP24 overexpressed in BTZ-resistant MM cells ITA 2011 (20977926)
30 PI CML cell line: KBM7 WGS PRJNA281714 Resistance to MG132 and bortezomib associated with mutations in 19S proteasome subunit. Cells harbouring PSMC5 or PSMD2 mutations maintained a significant level of 20S proteasome activity in the presence of BTZ treatment USA 2015 PMC4551903
GEP PRJNA281613 Increased resistance to BTZ in cells with 19S subunit reduction associated with suppression of cell cycle (repressed genes involved in DNA replication and cell cycle control), which primes cells to enter a protected, quiescent state
31 CFZ MM cell line: U266 shRNA screen NA 19S proteasomal regulator knockdown induced resistance to CFZ USA 2015 (26327694)
LC-MS/MS NA PSMD12 knockdown resulted in selective upregulation of protein turnover pathways such as SQSTM1/p62, UFD1L, and VCP/p97
32 BTZ MM cell lines: XG1, MDN, SBN, U266, LP1, L363, JJN3, RPMI-8226, NCI-H929 GEP NA Survival, proliferation Resistance to BTZ associated with induction of REDD1, a negative regulator of mTORC1 activity FRA 2010 (20100206)
33 BTZ BTZ-resistant MM cell lines: ANBL-6/BTZ, OPM-2/BTZ, RPMI-8226/BTZ GEP NA IGF-1/IGF-1R signalling contributes to acquired BTZ resistance; OSI-906 (dual IGF-1R and insulin receptor inhibitor) overcame BTZ resistance in cell lines and primary samples in vitro and in vivo USA 2012 (22932796)
34 MPH, DOX, BTZ, ETP, STA, tm MM cell line GEP GSE38204 Drug resistance associated with higher cMET phosphorylation resulting in constitutive activation of cMET-dependent signalling pathways ITA 2013 (23804425)
Drug-resistant MM cell lines: RPMI-8226/R5, MM.1R Proteome profiler assay NA
35 PI PI-resistant MM cell lines: LP-1/cIAP2, ANBL-6/cIAP2 GEP GSE4589
GSE5900
cIAP2 overexpression confers MM cells with resistance to proteasome inhibitors; 12 target genes of the NF-κB pathway were downregulated; other genes downregulated were IL1RN, TNFAIP2, MBP, IL23A, RelB, FTH1, CTSB, S100A6, ASS1 SWE 2015 (26036313)
36 BTZ BTZ-resistant MM cell line: RPMI-8226/BTZ GEP GSE66910 Autophagy GRP78-encoding HSPA5 (and hence autophagy) significantly upregulated in BTZ-resistant cells; metformin suppressed GRP78 and enhanced anti-proliferative effect of BTZ USA 2014 (25605012)
37 BTZ BTZ-resistant MM cell line: PS-R (U266/BTZ) GEP NA BCL2L11 (Bim) downregulation in BTZ-resistant MM cells resulting in increased cytoprotective autophagy USA 2014 (25208888)
38 BTZ CAF from BTZ-resistant patients LC-MS/MS NA BTZ-resistance parallels activation of oxidative stress and pro-survival autophagy (increase LC3-II and inhibits p62 and p-mTOR) ITA 2016 (26487273)
39 CFZ CFZ-resistant MM cell lines: KMS-11/CFZ, KMS-34/CFZ GEP GSE13411 Cell-cycle CFZ-resistance associated with autophagy; Kruppel-like factor 4 (KLF4) expression and nuclear localisation were elevated in CFZ-resistant MM cells USA 2015 (26109433)
40 PI Multidrug-resistant MM cell line: RPMI-8226/R5 ITRAQ-MS NA Overexpression of myristoylated alanine-rich C-kinase substrate (MARCKS) in drug-resistant R5 cells; pMARCKS promotes cell-cycle progression by facilitating SKP2 expression, suppressing p27(Kip1), and promoting Cyclin E/CDK2 activity to counteract drug-induced cell-cycle arrest CAN 2015 (25179733)
41 BTZ BTZ-resistant Mouse MM cell lines GEP GSE41930 Redox homeostasis BTZ-sensitive (but not resistant) MM cells upregulate a cluster of NRF-2-mediated oxidative stress response genes: Hspb1, Dnajb1, Hspa1a, Hspa1b, and Ddit3 (CCATT/enhancer-binding protein homologous protein/CHOP); CMAP predicted response to HDACi USA 2013 (23536725)
42 BTZ, DEX, MPH MM cell line: MM1.S GEP GSE52315 Hypoxia-induced drug resistance results from upregulation of HIF1A and its target gene LDHA; knockdown of LDHA restores sensitivity to BTZ USA 2015 (25769724)
BTZ Metabolite Profiling NA
43 BTZ BTZ-resistant MM cell: ANBL-6/BTZ Metabolite Profiling NA DNA metabolism Significant alterations in anabolism/catabolism of purines, pyrimidines, and various CoAs between BTZ-resistant and sensitive MM cells USA 2014 (24611431)
44 BTZ Mouse MM cell line: 5T33MMvt GEP NA Cytochrome p450 Dll1/Notch activation contributes to BTZ resistance through downstream upregulation of CYP1A1 BEL 2012 (23111325)
Resistance to Immunomodulatory Drugs
45 LEN/POM OPM2 MM cell line after either CRBN KD or LEN treatment GEP GSE31421 Ubiquitin-proteasome system Presence of CRBN critical for activity of LEN: NT control, LEN-sensitive cells showed 2-fold expression changes in ~1200 genes while CRBN-depleted, LEN-resistant OPM2 cells showed changes in ~180 genes after LEN treatment USA 2011 (21860026)
LEN-resistant MM cell line: MM1.S/LEN CGH + FISH GSE31451 MM1.S: 44 chromosomes, CRBN: 1 copy,
MM1.S/LEN: 40-fold reduction of CRBN expression on MM1.S/LEN compared with MM1.S, under-expression of LAPTM4B, ASS1, DDIT4, C6orf190, MAG1, QKI, ANTXR2, COPZ2
46 LEN Cell Lines: 293FT, U937, MM1S, L363 (LUC)-ORF Library NA LEN binds to cereblon to selectively enhance ubiquitination and proteasomal degradation of IKZF1 and IKZF3 USA 2014 (24292623)
47 LEN MM cell line: MM1.S SILAC-MS NA LEN binds DDB1 and CRBN (forms CRL4 E3 ubiquitin ligase together with CUL4 and ROC1) resulting in increased ubiquitination and proteasomal degradation of IKZF1 and IKZF3 USA 2014 (24292625)
48 LEN LEN-resistant MM cell lines: (R10R) ANBL-6, KAS-6/1, U266, MM1.S GEP NA Survival, proliferation Activation of Wnt/β-catenin pathway mediates LEN-resistant MM cell lines and primary plasma cell samples while knockdown of β-catenin restores sensitivity to LEN USA 2011 (21189262)
49 LEN/POM + DEX In Vivo Murine Model (LEN + DEX or POM+ DEX-resistant MM.1S) GEP NA Resistance to LEN/POM + DEX accompanied by upregulation of MEK/ERK pathway and addition of selumetinib (MEK inhibitor) resensitizes resistant cells ESP 2015 (25102946)
50 LEN LEN-resistant MM cell lines: (R10R) ANBL-6, KAS-6/1, U266, MM1.S GEP NA CAM-DR Upregulation of CD44 confers CAM-DR in LEN resistant MM cells that could be overcome by Wnt/β-catenin suppression with FH535 and all-trans retinoic acid USA 2014 (23760401)
Resistance to Conventional Chemotherapy
51 PRD PRD-resistant: MM cell line: U266/PRD, RPMI-8226/PRD GEP NA Survival, proliferation, signaling Upregulation of Rho family of GTPases; downregulation of ETS, NF-κB2; downregulation of TGFβ, SOCS2, SOCS4, WSB2 TUR 2012 (22681910)
VICE VICE-resistant: MM cell line: U266/VICE, RPMI-8226/VICE Upregulation of TGFβ; Downregulation of Rho family of GTPases; downregulation of SOCS2, SOCS4, WSB2
52 MPH MPH-resistant MM cell lines: RPMI-8226/LR5, U266/LR6 LC-MRM NA Survival, proliferation, DNA repair, apoptosis NF-κB signaling, Bcl-2 family of apoptosis-regulating proteins, and Fanconi Anemia DNA repair components contribute to MPH resistance in MM cells USA 2011 (21846842)
53 ATO ATO-resistant cell line: RPMI-8226/ATOR05 GEP NA Redox homeostasis Upregulation of intracellular GSH associated with ATO resistance; cross resistance to MPH and DOX was observed as well USA 2012 (23285138)
54 MPH MPH-resistant MM cell line: RPMI-8226/MPH GEP GSE60970 Redox homeostasis, warburg effect MPH-resistance associated with metabolic switch conforming to Warburg effect (aerobic glycolysis), elevated oxidative stress response mediated by VEGF/IL8-signaling, upregulation of aldo-keto reductase levels of AKR1C family involved in prostaglandin synthesis NOR 2015 (25769101)
SILAC-MS PXD001276
55 DOX DOX-resistant MM cell line: U266/DOX, RPMI-8226/DOX miRNA array NA Epigenetic U266/DOX: 9 miRNAs overexpressed; 16 miRNAs underexpressed
RPMI-8226/DOX: 21 miRNAs overexpressed; 26 miRNAs underexpressed
USA 2010 (20357429)
MPH MPH-resistant MM cell line: U266/MPH, RPMI-8226/MPH U266/MPH: 8 miRNAs overexpressed; 10 miRNAs underexpressed
RPMI-8226/MPH: 12 miRNAs overexpressed; 21 miRNAs underexpressed
56 DEX DEX-resistant MM cell line: MM.1R miRNA array NA 10 and 12 miRNAs upregulated and downregulated respectively in MM.1R cells vs MM.1S. DEX resistance associated with increased miR-221–222 expression and downregulation of PUMA USA 2015 (26249174)
57 ADM +
4-OHCY
MM cell line: RPMI-8226 GEP GSE66466 Chemotherapy increases H3K27me3 that is abrogated by CAM-DR via inactivating phosphorylation of transcription regulator EZH2, resulting in sustained expression of antiapoptotic genes: IGF1, BCL2, HIF1A; inhibition of IGF-1R/PI3K/Akt pathway reversed CAM-DR through EZH2 dephosphorylation and H3K27 hypermethylation JPN 2015 (26517694)
Immunoblot NA
58 DEX DEX-resistant MM cell line: MM.1R GEP GSE59805 miR-150–5p, miR-26b, miR-125a-5p, miR146–5p, and miR-184 are DEX inducible in MM.1S but not in MM.1R BEL 2014 (25474406)
miRNA array NA Cell-cycle DEX-resistant MM cells did not upregulate genes involved in cell cycle control, cell organisation, cell death, and immunological disease when treated with DEX while DEX-sensitive MM cells upregulated the aforementioned genes
59 PRD PRD-resistant: MM cell line: U266/PRD GEP NA Cell-cycle, lipid metabolism Dowregulation of CDK6, cyclin D3, TNFR, BNIP1, BNIP3, PDCD11, PDCD4, UGCG, ASAH1; overexpression of CDKN2B, CDKN2A, BIRC group of genes, LASS6, SMPD3, DEGS1 TUR 2014 (25330516)
VICE VICE-resistant MM cell line: U266/VICE Overexpression of cyclin E2, E2F, E2F7, E2F8, TNFAIP6, TNFIP8, BIRC group of genes, BNIP1, BNIP3, PDCD11, PDCD4
MPH MPH-resistant MM cell line: U266/MPH Downregulation of TNFR, CDKN1A, CDKN1C, LASS6, SMPD1
Resistance to Other Therapies
60 HDACi Human myeloma cell lines (sensitive, intermediate, resistant) GEP NA Protein handling,
cytoskeleton
35-gene signature significantly enriched for 2 pathways in resistant MM cells: (1) regulation of actin cytoskeleton, (2) protein processing in ER AUS 2014 (24651437)
61 rmhTRAIL MM cell lines: RPMI-8226 (TRAIL-sensitive); U266 (TRAIL-resistant) LC-MS/MS NA Ubiquitin-proteasome system Upregulation of small ubiquitin-related modifier 1 and ubiquitin proteasome pathway-related proteins contributes to TRAIL resistance CHN 2016 (27284413)
62 Geftinib/ Afatinib MM cell lines: L-363 (NRASmut), LP-1 (NRASwt) Metabolite Profiling NA Pentose phosphate pathway Significant increased metabolites from Pentose Phosphate Pathway (PPP) associated with Gefitinib resistance CHN 2015 (25894462)

NA: not available; CL: cell line; HDACi: histone deacetylase inhibitors; CST: corticosteroid; PRD: prednisolone; VICE: vincristine; ATO: arsenic trioxide; ETP: etoposide; STA: staturosporin; tm: tunicamycin; DOX: doxorubicin; MPH: melphalan; DEX: dexamethasone; IMiD: immunomodulatory drugs; THAL: thalidomide; LEN: lenalidomide; POM: pomalidomide, BTZ: bortezomib; CFZ: carfilzomib; VAD: vincristine, adriamycin, dexamethasone; CNA: copy number abnormalities; PI: proteasome inhibitor; CR: complete response; PD: progressive disease; MRD: minimal residual disease; VMP: bortezomib, melphalan, prednisone; RD: lenalidomide, dexamethasone; PAD: bortezomib, doxorubicin, dexamethasone; TXN: thioredoxin; TXNDC5: thioredoxin domain-containing protein 5; rmhTRAIL: recombinant human tumor necrosis factor-related apoptosis-inducing ligand; GSH: Glutathione; GPx-1: Glutathione prooxidant production; TrxR1: Thioredoxin reductase 1; CAF: cancer associated fibroblasts