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Rift Valley Fever Virus Nucleoprotein[产品打印页面]

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产品名称: Rift Valley Fever Virus Nucleoprotein
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美元($)价格: 287.83 元
欧元(€)价格: 0.00 元
人民币(¥)价格: 0.00 元
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发布时间:2019-10-21

简单介绍

Recombinant Rift Valley Fever Virus Nucleoprotein, comprising amino acids 2-245 and incorporating an N-terminal His-tag, expressed in mammalian HEK293 cells. Greater than 95% purity.


Rift Valley Fever Virus Nucleoprotein  的详细介绍

Rift Valley Fever Virus nucleoprotein

Rift Valley Fever Virus Nucleoprotein has been manufactured in response to the unmet need for highly purified, concentrated protein for use in serological based diagnostic assays. Rift Valley Fever Virus nucleoprotein is engineered in human cells using state-of-the-art expression and purification techniques. The protein comprises amino acids 2-245, linked to an N-terminal His tag via a 10 amino acid glycine-serine linker

Rift Valley fever (RVF), is an emerging zoonotic, mosquito-borne viral disease that primarily affects livestock but can also affect humans. The disease causes significant loss to livestock and severe illness and death in humans, having a significant economic impact in countries where RVF is prevalent.

RVF is caused by the Rift Valley fever virus (RVFV), which was first recognised in the 1930s in the Rift Valley region of Kenya. Rift Valley fever virus is an enveloped RNA virus that belongs to the genus Phlebovirus, which is a member of the Bunyaviridae family of viruses. It is an arthropod-borne virus that is transmitted to domesticated livestock by mosquitoes. Several species of mosquito transmit RVFV, and the vector varies according to the geographical region. Cattle, sheep, goats, and camels are particularly susceptible to RVF and serve as amplifying hosts for the virus. Reports of RVFV outbreaks outside sub-Saharan Africa have raised concerns that RVFV may spread to temperate climates through emerging competent vectors.

Humans may become infected through contact, via open wounds, with blood products, organs and bodily fluids from animals infected with RVFV. In some cases, humans may be infected through the bite of infected mosquitoes, but this is uncommon. Human to human transmission of RVFV as not been reported to date (Pepin M, et al).

In humans, the incubation period of RVFV is 2-6 days and infection may present in different ways. In many cases, individuals remain asymptomatic or may present with mild fever, arthralgia, myalgia and headaches. In some cases, patients have clinical symptoms that can be confused with meningitis. A small percentage of patients develop severe forms of RVF disease, which may present as ocular disease, meningoencephalitis or haemorrhagic fever. The haemorrhagic form of RVF carries the highest mortality risk (CDC).

Currently, there is no antiviral therapy for the treatment of symptomatic cases of RVFV, and no licensed prophylactic vaccine to prevent RVFV infection. Diagnosis of RVFV in humans is achieved using serological methods, reverse transcriptase polymerase chain reaction (RT-PCR) or cell culture to isolate the virus. In 2015, the World Health Organization identified RVFV as an emerging disease that is likely to cause a severe epidemic and a significant risk to public health (WHO). Recent outbreaks of RVFV in Gambia and Kenya have renewed concerns about this emerging virus.

References

Pepin M et al (2010). Rift Valley fever virus (Bunyaviridae: Phlebovirus): an update on pathogenesis, molecular epidemiology, vectors, diagnostics and prevention. Vet Res.41(6):61.

Centers for Disease Control and Prevention: Rift Valley fever (RFV)

The World Health Organization: Factsheet, Rift Valley fever


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