Telomerase Detection Kit
Telomerase Detection Kit - Related Videos
02:41
Telomeres and Telomerase
0 Views •
2020
In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.
02:41
Telomeres and Telomerase
0 Views •
2023
In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
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Cited by 29 •
2013
An accurate, short, sophisticated and cheap method is described that assesses telomere length in multiple tissues and species using qRT-PCR. In addition, we will describe a simple assay to assess telomerase activity as a complementary backbone test for telomere length.
09:25
In vitro Reconstitution of the Active T. castaneum Telomerase
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Cited by 5 •
2011
Efforts to isolate the catalytic subunit of telomerase, TERT, in sufficient quantities for structural studies, have been met with limited success for more than a decade. Here, we present methods for the isolation of the recombinant Tribolium castaneum TERT (TcTERT) and the reconstitution of the active T. castaneum telomerase ribonucleoprotein (RNP) complex in vitro.
09:00
Use of the Protease Fluorescent Detection Kit to Determine Protease Activity
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Cited by 15 •
2009
The Protease Fluorescent Detection Kit is designed for the measurement of protease activity using fluorometry. It is also suitable for detection of trace amounts of protease contamination. The method is based on the proteolytic hydroysis of a proprietary formulation of a FITC-labeled casein substrate.
FAQs
The assay targets the enzyme’s two defining activities: an internal RNA template guides sequence addition, while telomerase reverse-transcriptase activity builds repeated DNA onto chromosome ends. Detecting products generated through these steps connects the measured signal to telomere maintenance rather than to a general cellular measurement. This mechanism is central to studies of proliferative capacity.
The readout is based on newly extended telomeric products, and assay-specific signal generation makes those products detectable. In many kit formats, amplification occurs after the extension reaction, increasing the measurable signal from those products. Consequently, the result represents detected telomerase-generated products under the assay design, not a simple visual inspection of chromosome ends.
Telomerase activity serves as an indicator of how cells maintain chromosome ends and acquire extended proliferative capacity. Its meaning therefore depends on the cell state under investigation, such as stem cells, cancer cells, or senescent cells. Measuring the activity across these contexts helps researchers compare cellular states and examine how telomere maintenance relates to proliferation.
At a high level, the workflow centers on allowing telomerase, if present in the tested material, to extend telomeric products using its RNA template. The assay then generates a detectable signal from those products, often using amplification. Researchers can compare the resulting activity measurements across samples or experimental conditions while following the kit’s assay-specific format.
Researchers can apply the assay to questions in stem-cell biology, cancer biology, cellular senescence, aging, and tumor biology. It supports comparisons between cell states and can be used to evaluate experimental treatments by measuring differences in telomerase activity. These uses make the assay relevant when telomere maintenance or proliferative behavior is part of the biological question.
By tracking activity linked to the maintenance of chromosome ends, the measurement gives researchers a way to investigate mechanisms associated with genome stability and cellular immortality. It can also reveal whether experimental conditions alter telomerase activity, helping connect a treatment or cell-state change with a measurable telomere-maintenance response.