Methods for subtyping of lung squamous cell carcinoma

A method of assaying a lung sample obtained from a human patient, the method comprising measuring in a lung sample obtained from a human patient a nucleic acid expression level of a subset of biomarkers selected from the group of biomarkers consisting of serpin family B member 4 (SERPINB4), C—X—C motif chemokine ligand 1 (CXCL1), S100 calcium binding protein A9 (S100A9), S100 calcium binding protein A8 (S100A8), serpin family B member 3 (SERPINB3), EPH receptor A2 (EPHA2), S100 calcium binding protein A2 (S100A2), matrix metallopeptidase 10 (MMP10), interleukin 4 receptor (IL4R), PDZK1-interacting protein 1 (PDZK1IP1), CDK5 regulatory subunit associated protein 2 (CDK5RAP2), family with sequence similarity 125, member B (FAM125B), chaperone activity of bc1 complex-like (CABC1), ornithine decarboxylase 1 (ODC1), lipin 1 (LPIN1), WAS protein family member 1 (WASF1), ubiquitin specific peptidase 13 (isopeptidase T-3) (USP13), nucleoporin 210 (NUP210), GLI Family Zinc Finger 2 (GLI2), sperm associated antigen 5 (SPAG5), malic enzyme 1 (ME1), transaldolase 1 (TALDO1), aldo-keto reductase family 1, member C3 (AKR1C3), thioredoxin (TXN), aldehyde dehydrogenase 3 family member A1 (ALDH3A1), carbohydrate sulfotransferase 7 (CHST7), ADAM metallopeptidase domain 23 (ADAM23), tuftelin 1 (TUFT1), forkhead box E1 (FOXE1), aldehyde dehydrogenase 3 family member A2 (ALDH3A2), polyhomeotic homolog 2 (PHC2), solute carrier family 43 member 3 (SLC43A3), capping actin protein of muscle Z-line beta subunit (CAPZB), family with sequence similarity 46 member A (FAM46A), protein tyrosine phosphatase type IVA, member 2 (PTP4A2), dihydropyrimidine dehydrogenase (DPYD), tripartite motif containing 8 (TRIMS), CD47 molecule (CD47), cysteine rich protein 2 (CRIP2), ST3 beta-galactoside alpha-2,3-sialyltransferase 5 (ST3GAL5), heat shock transcription factor 2 (HSF2), MARCKS like 1 (MARCKSL1), EF-hand domain family member D1 (EFHD1), choline kinase alpha (CHKA), pleckstrin homology domain containing B1 (PLEKHB1), formin binding protein 1 like (FNBP1L), zinc finger protein 239 (ZNF239), Abelson interactor 2 (ABI2), Myosin light chain 6B (MYL6B), Tubulin Tyrosine Ligase Like 4 (TTLL4), Chloride Channel Accessory 2 (CLCA2), Gap Junction Protein Beta 3 (GJB3), G Protein-Coupled Receptor 87 (GPR87), Stratifin (SFN), Cystatin A (CSTA), Desmoglein 3 (DSG3), ST6 N-Acetylgalactosaminide Alpha-2,6-Sialyltransferase 2 (ST6GALNAC2), Gap Junction Protein Beta 5 (GJB5), Transmembrane Protease, Serine 4 (TMPRSS4), Syndecan 1 (SDC1), Formin Like 1 (FMNL1), Baculoviral IAP Repeat Containing 3 (BIRC3), Rho GDP Dissociation Inhibitor Beta (ARHGDIB), SH2B Adaptor Protein 3 (SH2B3), Major Histocompatibility Complex, Class II, DP Alpha 1 (HLA-DPA1), Neutrophil Cytosolic Factor 4 (NCF4), Acyl-CoA Synthetase Long-Chain Family Member 5 (ACSL5), Colony Stimulating Factor 2 Receptor Alpha Subunit (CSF2RA), Lysosomal Protein Transmembrane 5 (LAPTM5), ADP-ribosylation-like factor 6 interacting protein 5 (ARL6IP5), Alcohol Dehydrogenase 7 (Class IV), Mu Or Sigma (ADH7), ATP Binding Cassette Subfamily C Member 5 (ABCC5), SRY-Box 2 (50×2), Solute Carrier Family 9, Subfamily A (NHE3, Cation Proton Antiporter 3), Member 3 Regulator 1 (SLC9A3R1), Kruppel-Like Factor 5 (Intestinal) (KLF5), Glutathione Peroxidase 2 (GPX2), Pirin (PIR), Tumor Protein D52-Like 1 (TPD52L1), Solute Carrier Family 6 Member 8 (SLC6A8), and Siah E3 Ubiquitin Protein Ligase 2 (SIAH2).

A method of treating lung cancer in a subject, the method comprising:

• (a) determining the subtype of a lung sample obtained from the subject, wherein the lung sample is a squamous cell carcinoma lung cancer sample, wherein the determining the subtype comprises:
• (i) measuring a nucleic acid expression level of each biomarker of a plurality of the biomarkers consisting of only SERPINB4, CXCL1, S100A9, S100A8, SERPINB3, EPHA2, S100A2, MMP10, IL4R, PDZK1IP1, CDK5RAP2, FAM125B, CABC1, ODC1, LPIN1, WASF1, USP13, NUP210, GLI2, SPAG5, ME1, TALDO1, AKR1C3, TXN, ALDH3A1, CHST7, ADAM23, TUFT1, FOXE1, ALDH3A2, PHC2, SLC43A3, CAPZB, FAM46A, PTP4A2, DPYD, TRIMS, CD47, CRIP2, ST3GAL5, HSF2, MARCKSL1, EFHD1, CHKA, PLEKHB1, FNBP1L, ZNF239, ABI2, MYL6B, TTLL4, CLCA2, GJB3, GPR87, SFN, CSTA, DSG3, ST6GALNAC2, GJB5, TMPRSS4, SDC1, FMNL1, BIRC3, ARHGDIB, SH2B3, HLA-DPA1, NCF4, ACSL5, CSF2RA, LAPTM5, ARL6IP5, ADH7, ABCC5, SOX2, SLC9A3R1, KLF5, GPX2, PIR, TPD52L1, SLC6A8, and SIAH2;
• (ii) comparing the measured nucleic acid expression levels of each biomarker of the plurality of the biomarkers of (a)(i) in at least one sample training set(s), wherein the at least one sample training set is a reference lung squamous cell carcinoma primitive sample, a reference lung squamous cell carcinoma classical sample, a reference lung squamous cell carcinoma secretory sample, a reference lung squamous cell carcinoma basal sample or a combination thereof;
• and
• (iii) classifying the subtype of lung squamous cell carcinoma as primitive, classical, secretory or basal based on the results of the comparing step;
• and
• (b) administering a therapeutic agent based on the subtype of the lung squamous cell carcinoma, wherein a primitive subtype is administered an immunotherapeutic agent, while a classical, secretory or basal subtype is administered a chemotherapeutic agent or an angiogenesis inhibitor.