

The BK virus is a member of the polyomavirus family. It has been suggested that this virus may be transmitted through respiratory fluids or urine, since infected individuals periodically excrete virus in the urine. BK viral infections are typically asymptomatic in healthy individuals, however very mild symptoms may appear including mild respiratory infections and fever. Infections with BK virus in immunocompromised or immunosupressed patients are much more severe and may involve renal dysfunction. In fact, in kidney transplant patients the immunosupressive drugs required for the transplant may allow the virus to replicate within the graft, resulting in a disease called BK virus nephropathy (BKVN). The JC virus is a type of human polyomavirus and is very common in the general population, infecting 70 to 90% of humans. Most people acquire JCV in childhood or adolescence. Typically the infection is subclinical and no of consequence in individuals with healthy immune systems. The initial site of infection may be the tonsils or the gastrointestinal tract, and the virus then remains latent in the gastrointestinal tract. JCV can also infect the tubular epithelial cells in the kidneys, where it continues to reproduce, shedding virus particles in the urine. Also, JCV can cross the blood-brain barrier into the central nervous system. JCV is known to cause the usually fatal progressive multifocal leukoencephalopathy (PML) by destroying oligodendrocytes in the brain in immunodeficient or immunosuppressed individuals. The JC and BK viruses are very similar, with their genomes sharing 75% homology. It is however important to differentiate between the viruses due to the differences in pathology and especially the invariably fatal outcome of PML which is only caused by the JC virus.
Figure 1 / 3
Click for expanded view
Storage Conditions and Product Stability
All kit components can be stored for 2 years after the date of production without showing any reduction in performance.
All kit components should be stored at -20°C upon arrival.
| Component | Cat. TM39350 (100 preps) | Cat. TM39310 (100 preps) |
|---|---|---|
| MDx TaqMan 2X PCR Master Mix | 2 x 700 μL | – |
| BKV/JCV Primer & Probe Mix | 280 μL | 280 μL |
| BKV/JCV Positive Control | 150 μL | 150 μL |
| Nuclease-Free Water (Negative Control) | 1.25 mL | 1.25 mL |
| Product Insert | 1 | 1 |
Product Description
Kit Storage and term of Validity
Storage term: stored at ≤-20℃,keep away from light, avoid heavy weight and repeated freezing and thawing.
Term of Validity: 14 months
Isothermal nucleic acid Principle Summary
This kit is based on a rapid nucleic acid amplification technology at room temperature and constant temperature:at room temperature and constant temperature(generally 39℃~42℃),reverse transcriptaseuses specific primers and template RNA tosynthesize cDNA strands,and binds the auxiliary protein and single strand with the help of the protein, the recombinase and the primer form a complex; perform a homology search and bind the target homology domain, at this time a D-loop region is formed at the homology positionand strand exchange begins; accompanied by the recombinase from the complex upon dissociation,the polymerase also bindsto the 3′ end of the primer,initiating chainextension.It is suitable for laboratory-level RNA amplification and RNA amplification for other detection purposes.
Isothermal nucleic acid Product Features
1/ High sensitivity and specificity, short reaction time.
2/ The reagent form is freeze-dried, stable and easy to operate.
3/ The reaction can be operated by metal bath and water bath pot without purchasing expensive PCR apparatus.
Technical Parameters:
| Parameters | Details |
|---|---|
| Product Name | RNA Isothermal Amplification Kit Basic |
| Manufacturer | Amp-future |
| Storage Temperature | -20°C |
| Kit Components | Enzymes, Buffers ,Reagents |
| Packaging | 48 Tests/box |
| Detection Limit | 500-1000copies/µL |
| Shipping | ICE |
| Test Time | 5-20mins |
Isothermal nucleic acid Applications
Suitable for RNA isothermal rapid amplification kit(Basic type)
Primer: Require pair of nucleotide primers with the length of 25-35 bp.
RNA basic kit reaction temperature is 39 to 42℃ and time is 5-20 minutes.
Notes
1/ Please avoid nucleic acid contamination and set blank control during reaction due to the high sensitivity of the kit.
2/ Please take out the required quantity of MIRA reaction units for the experiment, and put the rest under storage conditions when performing the experiment.
N-(Amine-PEG8)-N-bis(PEG8-Propargyl) is a trifunctional linker containing an amino group and two terminal alkynes. These alkynes are frequently used in copper (I) click reactions with azides to form stable triazole linkages, while the primary amine is reactive towards carboxylic acids and other carbonyl compounds such as NHS esters, aldehydes or ketones.
N-(Amine-PEG8)-N-bis(PEG8-Propargyl) is a trifunctional linker containing an amino group and two terminal alkynes. These alkynes are frequently used in copper (I) click reactions with azides to form stable triazole linkages, while the primary amine is reactive towards carboxylic acids and other carbonyl compounds such as NHS esters, aldehydes or ketones.