Yes, it is possible to use multiple stem-loop primers in the same RT-qPCR reaction using SYBR Green as the fluorescent dye. Stem-loop primers, also known as reverse transcription primers (RT primers), are used in RT-qPCR to amplify specific RNA targets and are designed to bind to the target RNA in a specific orientation, forming a hairpin structure. The use of multiple stem-loop primers in the same RT-qPCR reaction can allow for the simultaneous detection and quantification of multiple RNA targets in a sample.
To use multiple stem-loop primers in the same RT-qPCR reaction, you will need to design the primers to be specific for your target RNA and optimize their concentrations and reaction conditions. It's also important to consider the potential for cross-reactivity between the different primers and to ensure that they do not interfere with one another. In general, it is recommended to start with lower concentrations of each primer and gradually increase the concentration to optimize the reaction.
It's worth noting that using multiple stem-loop primers in the same RT-qPCR reaction can potentially increase the complexity of the experiment and may require more optimization and troubleshooting. It may be helpful to consult with a laboratory specialist or someone with experience in RT-qPCR if you are not familiar with this type of experiment.