High Throughput Genetic Characterisation of Caucasian Patients Affected by Multi-Drug Resistant Rheumatoid or Psoriatic Arthritis.
Paola TesolinFrancesca Eleonora BertinettoArianna SonagliaStefania CappellaniMaria Pina ConcasAnna MorganNorma Maria FerreroAlen ZabottiPaolo GaspariniAntonio AmorosoLuca QuartuccioGiorgia GirottoPublished in: Journal of personalized medicine (2022)
Rheumatoid and psoriatic arthritis (RA and PsA) are inflammatory rheumatic disorders characterised by a multifactorial etiology. To date, the genetic contributions to the disease onset, severity and drug response are not clearly defined, and despite the development of novel targeted therapies, ~10% of patients still display poor treatment responses. We characterised a selected cohort of eleven non-responder patients aiming to define the genetic contribution to drug resistance. An accurate clinical examination of the patients was coupled with several high-throughput genetic testing, including HLA typing, SNPs-array and Whole Exome Sequencing (WES). The analyses revealed that all the subjects carry very rare HLA phenotypes which contain HLA alleles associated with RA development (e.g., HLA-DRB1*04, DRB1*10:01 and DRB1*01). Additionally, six patients also carry PsA risk alleles (e.g., HLA-B*27:02 and B*38:01). WES analysis and SNPs-array revealed 23 damaging variants with 18 novel "drug-resistance" RA/PsA candidate genes. Eight patients carry likely pathogenic variants within common genes ( CYP21A2, DVL1 , PRKDC , ORAI1 , UGT2B17 , MSR1 ). Furthermore, "private" damaging variants were identified within 12 additional genes ( WNT10A , ABCB7 , SERPING1 , GNRHR , NCAPD3 , CLCF1 , HACE1 , NCAPD2 , ESR1 , SAMHD1 , CYP27A1 , CCDC88C ). This multistep approach highlighted novel RA/PsA candidate genes and genotype-phenotype correlations potentially useful for clinicians in selecting the best therapeutic strategy.
Keyphrases
- end stage renal disease
- high throughput
- newly diagnosed
- prostate cancer
- drug resistant
- chronic kidney disease
- rheumatoid arthritis
- prognostic factors
- peritoneal dialysis
- healthcare
- single cell
- copy number
- stem cells
- cell proliferation
- pseudomonas aeruginosa
- mass spectrometry
- dna methylation
- gene expression
- cystic fibrosis
- systemic lupus erythematosus
- radical prostatectomy
- transcription factor
- replacement therapy
- patient reported