The formation of DNA from an RNA template using reverse transcription leads to the formation of double-stranded complementary DNA or cDNA. The challenges with this process include 1. Maintaining the integrity of RNA, 2. Hairpin loops or other secondary structures formed by single-stranded RNA can also affect cDNA synthesis, and 3. DNA-RNA hybrids, which may result when the first strand of cDNA is formed. For the first challenge, using workflows that involve proper isolation and storage of RNA, and maintaining a nuclease-free environment helps obtain RNA with ideal 260/230 ratios. Using a reverse transcriptase that can tolerate high temperatures (50-55oC), overcomes obstacles imposed by secondary RNA structures. Finally, RNase H has the ability to hydrolyze RNA before the formation of a second cDNA strand. It is important to ensure that RNase H activity is optimal because higher RNase H activity leads to premature degradation of the RNA template. Many reverse transcriptases offer built-in RNase H activity.
Wound healing assay can be challenging due to inconsistencies and variations while making a wound on the confluent cell monolayer, consequently leads to wounds of varying sizes and widths. Moreover, this assay causes damage to the cells that are at the edge of the wound, which can prevent cell migration into the wound site and healing. The best solution is to use the standard wound healing assay kits using either combs or inserts to make a defined wound field or gap and prevent the well-to-well variation in these assays.
Get tips on using Radius™ 96-Well Cell Migration Assay to perform Cell migration / Invasion cell type - FaDu
Get tips on using Radius™ 24-Well Cell Migration Assay to perform Cell migration / Invasion cell type - SH-SY5Y
RNA-Seq is a method to sequence RNA by applying Next Generation Sequencing (NGS). The quality of RNA is critical for the success of RNA-Seq. The integrity of RNA is measured by the RNA integrity number (RIN). RIN is computed from RNA electrophoresis and electropherogram profiles (the peak area of the 28S rRNA should be approximately twice the peak area of the 18S rRNA). If you get the RIN value lower than 7, the possibility of getting the low quality of RNA-seq data is high. To get a high quality RNA, it is better to work with fresh samples or snap-freeze the tissues in liquid nitrogen as quickly as possible and store them at -80°C until further use. Make sure designated areas and all your filter tips, microfuge tubes, plastic, and glassware are RNase-free.
Get tips on using Beclin-1 (D40C5) Rabbit mAb to perform Cell cytotoxicity / Proliferation assay cell type - K562
Get tips on using Atg12 (D88H11) Rabbit mAb to perform Autophagy assay cell type - MT-2 (human T cell leukaemia)
Get tips on using Atg7 (D12B11) Rabbit mAb to perform Autophagy assay cell type - MT-2 (human T cell leukaemia)
Get tips on using Atg5 (D5F5U) Rabbit mAb to perform Autophagy assay cell type - MT-2 (human T cell leukaemia)
Get tips on using LC3A/B (D3U4C) XP® Rabbit mAb to perform Cell cytotoxicity / Proliferation assay cell type - K562
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