Pigeon Circovirus (PiCV) Nucleic Acid Test Kit

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Description

Item NoAP2308003         Specifiation24T/48T            Storage:-20℃

Product introduction:

Pigeon Circovirus (PiCV) is an immunosuppressive pathogen and is one of the important pathogens causing pigeon squab disease syndrome. It can accelerate replication in proliferating cells and immune system cells, leading to a low lymphocyte ratio, decreased immunity, and damage to the pigeon immune system. This can result in secondary infections by other pathogens. Therefore, early, rapid, and convenient detection of PiCV is crucial for diagnosis, slowing the spread of the disease, and preventing complications. This test kit is designed based on the conserved sequences in the PiCV gene, with optimized conditions, enabling accurate fluorescent quantitative PCR testing of oral, cloacal swabs, blood, and other tissue samples from birds. This allows for a quick determination of whether the host is infected with PiCV.

Product contents:

Reagent componentsAP2308003-01(24T)AP2308003-02(48T)
PiCV Premix Solution11.5µL/well× 8wells/strip× 3strips11.5µL/well× 8wells/strip× 6strips
PiCV Reaction Solution290μL575μL
PiCV Positive control100μL100μL
Negative control100μL100μL

Storage conditions:

Store at -20℃, the shelf life is at least 12 months.

 Experimental operation:

  1. Sample Preparation (Sample Preparation Area)

1.1 Sample Requirements:

– Oral and cloacal swabs: Take a sterile cotton swab, insert it into the bird’s throat or cloaca, rotate three times, place it in a centrifuge tube, cut the exposed part, tightly close the cap, and label it. Samples that can be tested promptly should be stored at 2-8°C within 24 hours, and samples that cannot be tested promptly should be stored at -20°C.

– Whole blood: Use EDTA as an anticoagulant, avoid heparin anticoagulant, use fresh whole blood, or store at 2-8°C for no more than 7 days, or store at -20°C for no more than 3 months, avoiding repeated freeze-thaw cycles.

– Tissue: Take fresh muscle or organ tissue not exceeding 100mg, use 200-500μL sterile water to prepare tissue homogenate, and proceed with subsequent sample preparation.

1.2 Sample Preparation:

Refer to the SanshiBio “Animal Genomic DNA Rapid Extraction Kit (for PCR analysis)” manual (Catalog: DP202), or other nucleic acid extraction kits/methods that meet relevant requirements, for nucleic acid extraction of processed samples. Place the extracted sample nucleic acid in a cooler and test as soon as possible. Store at 4°C for no more than 7 days or at -20°C for no more than 6 months.

  1. Reaction System Preparation (Reaction Area)

2.1 Take out each component of the kit, completely thaw at room temperature, centrifuge for 10 seconds, and centrifuge the liquid inside the tube wall and tube cap to the bottom of the tube. Prepare the reaction solution according to the sample quantity (n+2, where n is the number of samples, it is recommended to set up 1 positive control and 1 negative control for each experiment). Specific preparation method: Take (n+2) reaction tubes containing PiCV premix solution, add 11.5µL of PiHV reaction solution to each tube, use a pipette to thoroughly mix, 23µL per well, and store in a cooler.

2.2 Then sequentially add 2μL of negative control, extracted sample nucleic acid, and PiCV positive control to the reaction solution. Close the tube cap, make a record, and the total volume of each reaction is 25μL. Mix thoroughly, centrifuge for 10 seconds, and perform amplification experiments on the PCR instrument.

  1. PCR Amplification (Amplification and Product Analysis Area)

Pre-denaturation at 95°C for 2 minutes; Denaturation at 95°C for 10 seconds, annealing and extension at 60°C for 35 seconds, 40 cycles. Collect fluorescence signals at 60°C. Choose the FAM fluorescence channel (use real-time fluorescence quantitative PCR instruments such as ABI series, if necessary, contact the manufacturer or add ROX correction dye; otherwise, follow normal procedures).

  1. Result Interpretation

4.1 Conditions for Experiment Validity:

Positive control FAM channel Ct value < 28 and a “S”-shaped amplification curve is observed; negative control has no Ct value or Ct value ≥ 38 and no “S”-shaped amplification curve, the experiment is valid. Otherwise, repeat the experiment; if the repeat experiment is still invalid, contact the manufacturer’s technical personnel.

4.2 Interpretation of Sample Results:

Ct value ≤ 33 and an “S”-shaped amplification curve indicate PiCV positive;

Ct value between 33 < Ct < 38 is considered suspicious, and a retest is recommended. If the FAM channel retest Ct value is < 33 after excluding aerosol contamination and there is a clear amplification curve, it is considered PiCV positive, otherwise considered negative;

No Ct value or Ct value ≥ 38 and no “S”-shaped amplification curve indicate PiCV negative.

Precautions:

  • To prevent contamination, the experiment should be strictly partitioned, and physical isolation between partitions is preferred to avoid cross-contamination due to human factors. Wear lab coats and latex gloves during the experiment, use tools independently in different areas, change gloves and lab coats when needed. After PCR, do not open the lid immediately; open it after sufficient cooling to minimize aerosol contamination.
  • Thaw the reagents completely before use, but avoid repeated freeze-thaw cycles. The PCR reaction tubes provided in the kit are 0.2mL; if replacement is needed, transfer after complete thawing. Strictly follow the instructions for reagent preparation and sample addition. Workstations, centrifuges, pipettes, and other instruments should be disinfected regularly with chlorine-containing disinfectants, alcohol, nucleic acid decontamination agents, or UV light.
  • A negative result does not necessarily mean the host is not infected with the virus. Poor sample quality, low virus load, or the presence of strong inhibitory substances (such as alcohol, disinfectants, anticoagulants, etc.) may result in unsuccessful nucleic acid extraction (detection) and a “negative” result. Follow the result interpretation criteria, and when there are suspicious results, first exclude aerosol contamination. If there are other questions, contact the manufacturer’s technical personnel.
  • This product is for one-time use only. The components in the reagent are sensitive to natural light; avoid light exposure during packaging and storage. After packaging, do not repeatedly freeze-thaw. For scientific research use only; not for clinical diagnosis or other purposes.

Additional information

Weight0.65 kg
SIZE

24T, 48T

brand name

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