Human Piwi-like protein 1 (PIWIL1) ELISA Kit

PIWIL1 encodes a member of the PIWI subfamily of Argonaute proteins, evolutionarily conserved proteins containing both PAZ and Piwi motifs that play important roles in stem cell self-renewal, RNA silencing, and translational regulation in diverse organisms. The encoded protein may play a role as an intrinsic regulator of the self-renewal capacity of germline and hematopoietic stem cells. Miwi associated with both piRNAs and mRNAs in cytosolic ribonucleoprotein and polysome fractions of mouse testicular extract. As polysomes increased in early spermiogenesis, Miwi levels increased in polysome fractions. Moreover, Miwi associated with the mRNA cap-binding complex.

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Human Piwi-like protein 1 (PIWIL1) ELISA Kit has high sensitivity and excellent specificity for detection of Human PIWIL1. No significant cross-reactivity or interference between Human PIWIL1 and analogues was observed.

This Human Piwi-like protein 1 (PIWIL1) ELISA Kit employs a two-site sandwich ELISA to quantitate PIWIL1 in samples. An antibody specific for PIWIL1 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyPIWIL1 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for PIWIL1 is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of PIWIL1 bound in the initial step. The color development is stopped and the intensity of the color is measured.

• Do not mix components from different kit lots or use reagents beyond the kit expiration date.• Allow all reagents to warm to room temperature for at least 30 minutes before opening.• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.• It is recommended that all samples and standards be assayed in duplicate or triplicate.