title: GSM5574621: ALS patient 1; Homo sapiens; RNA-Seq
library_construction_protocol: RNA was extracted with miRVana Total RNA kit RNA quality was assayed on Agilent Tape Station 2200 using RNA HS screen tape assay. RNA (25 ng) was used to prepare a small RNA library using Clean Tag Small RNA library kit (TriLink biotech). For each individual library, RNA was ligated to chemically modified adapters to suppress adaptor dimer formation. Modified adapters were added to both 3â€² and 5â€² ends following manufacturer recommended conditions. Adapter ligated RNA was reverse transcribed using Ion Torrent specific primer. cDNA was then amplified using Ion convert barcode primers containing a unique index to allow libraries to be pooled during Ion Torrent sequencing (Life Technologies). Library QC was assayed on Agilent Tape Station using D1000 screen tape. Equally-pooled libraries (pmol) were clonally amplified onto Ion Sphereâ„¢ Particles (ISPs) supplied by Ion Pi HiQ OT2 kit. ISPs were then loaded onto Ion PI chip and sequenced using Ion Torrent Proton Sequencer.