Csfv shimen strain

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August undefined, 2024

WebNov 27, 2015 · The highly virulent CSFV Shimen strain (wt-Shimen) was used as a wild-type control in the experiment. EGFP-CSFV is an EGFP-tagged CSFV derived from pEGFP-CSFV [ 10 ]. vSM-HCLV3′UTR is a chimeric CSFV based on the wt-Shimen backbone with the 3′-UTR replacement by that of HCLV [ 8 ], which was generated in a way similar to … WebJul 1, 2015 · The Shimen strain infection resulted in a significant activation of IFN regulatory factor IRF7 and suppression of IRF3. ... two classical swine fever virus (CSFV) strains, namely the highly virulent CSFV Shimen strain and the avirulent C strain (a vaccine strain), were employed, and the expression of 19 immune effector genes was …

Efficacy evaluation of the C-strain-based vaccines against the ...

WebSep 13, 2013 · In present study, we investigated the roles of RIG-I and MDA-5 in eliciting antiviral and inflammatory responses to CSFV shimen strain in Porcine alveolar … WebJan 16, 2024 · SFV, better known as “SFV OG Kush” or “San Fernando Valley OG,” is a heavily indica dominant hybrid (90% indica/10% sativa) strain created through crossing … chinle junior high

Enhanced protective immunity to CSFV E2 subunit vaccine

WebMar 13, 2024 · As shown in Fig. 4A,B, our method could detect the CSFV Shimen strain or the HCLV strain, while negative results were obtained … WebMar 14, 2024 · The Shimen strain is the standard virulent strain of CSFV in China , and induces severe immunopathological symptoms associated with hemorrhagic fever, thrombocytopenia, and lymphoid organ atrophy and … WebJan 3, 2024 · The highly pathogenic CSFV Shimen strain does not infect rabbits irrespective of high genomic similarity with C-strain (97.3% similarity at amino acid … chinle is in what county

Generation and Efficacy Evaluation of Recombinant …

Generation and evaluation of a chimeric classical swine fever virus ...

WebJun 25, 2024 · The CSFV Shimen strain, a highly virulent strain isolated in China in 1945, were also used as a reference challenge virus in the present study. Primer design and RT-PCR. Six pairs of primers based on the published known sequence of CSFV Zj0801 (GenBank accession no. FJ529205) were designed for PCR analysis (Table ... WebJun 25, 2024 · The CSFV Shimen strain, a highly virulent strain isolated in China in 1945, were also used as a reference challenge virus in the present study. Primer design and … chinle lady wildcats basketballWebMar 1, 2024 · The CSFV Shimen strain is a highly virulent strain isolated in China in 1945, which has been used as a reference challenge virus to evaluate the efficacy of CSF vaccines in China. The HLJZZ2014 strain is a subgenotype 2.1d CSFV isolated in 2014 in China (Luo et al., 2016). The CSFV Shimen and HLJZZ2014 strains were propagated … chinle land administration

"WebMar 8, 2024 · The Shimen strain of classical swine fever virus (CSFV) causes an especially infectious disease in domestic pigs known as classical swine fever (CSF), which has been listed as a highly contagious disease by the World Organisation for Animal Health [].Acute CSF is typically accompanied by haemorrhagic lymphadenitis and diffuse haemorrhage … " - Csfv shimen strain

Csfv shimen strain

Genetic characterization of E2 gene of classical swine fever

WebMay 1, 2024 · The chimeric CSFV/BVDV fragment consisted of the E2 gene of BVDV and p7 gene and incomplete NS2–3 coding region of CSFV, which was obtained from overlap PCR amplification using the cDNAs of BVDV Hubei strain and CSFV Shimen strain as templates. The pCSFV/bE2 mutants were constructed using genetic approaches based … WebJul 22, 2024 · The CSFV Shimen strain (GenBank accession number AF092248.2) was generated from a cDNA clone (pSPT I /SM) and propagated in PK15 cells. The BVDV I Hubei strain (GenBank accession number MZ484396) is a passaged variant of BVDV I NDAL strain (GenBank accession number AJ133738.1) [ 19 ] and propagated in MDBK …

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WebAug 17, 2024 · In this study, we demonstrated that P108 and T109 on the E2 glycoprotein together with the E rns glycoprotein of the rabbit-adaptive C-strain confer adaptation to rabbits on the highly virulent CSFV Shimen strain by affecting viral entry during infection but do not attenuate the Shimen strain in pigs. Our results provide vital information on ... WebJul 1, 2015 · The Shimen strain infection resulted in a significant activation of IFN regulatory factor IRF7 and suppression of IRF3. These data provided clues for …

WebNov 29, 2012 · In the present study, CSFV Shimen strain full-length genomic cDNA carrying a genetic tag (AvaI site) was cloned downstream of the cytomegalovirus (CMV) promoter and T7 promoter to enable rescue by either of the methods described above. To ensure integral and precise transcription of the genome, the genomic cDNA was flanked … WebMar 8, 2024 · The Shimen strain of classical swine fever (CSF) virus (CSFV) causes CSF, which is mainly characterised by disseminated intravascular haemorrhage. Macrophages …

WebJul 21, 2024 · All the vaccinated piglets were challenged intramuscularly with 10 5 TCID 50 CSFV Shimen strain at 35 dpi. For single dose immunization schedule, twelve 4-week-old pigs were randomly divided into three groups (A, B and C, n = 4), and subject to an immunization and challenge trial. In brief, Groups A and B were respectively immunized … WebApr 11, 2016 · The full-length cDNA of the CSFV Shimen strain, Alfort/187 strain or vaccine C-strain was amplified using the forward primer CSFV-F and the reverse primer CSFV-R. The PCR-amplified fragment was digested with Bsm BI and cloned into the Bsm BI sites of the pSPT I , yielding plasmid pSPT I /SM, pSPT I /187 or pSPT I /C.

WebSep 13, 2013 · CSFV Shimen strain was used as challenge virus in this study and PAMs were cultured in vitro. Interferon regulatory factor (IRF)-3 and nuclear factor-kappa B (NF-κB) translocation was detected using immunofluorescent staining; RIG-I, MDA5, interferon promoter-stimulating factor 1 (IPS-1), IRF-3 and NF-κB expression was measured by …

WebNov 19, 2024 · Then, the cells were stimulated with ultraviolet-light-inactivated CSFV (Shimen strain; MOI = 1) l. After 24 h of incubation at 37 °C, the cell-free supernatant was removed and detected using a commercially available porcine IL-4 and IFN-γ ELISA kit according to the manufacturer’s protocol. OD values were measured at 450 nm using a ... granite countertops chatsworth granite countertops charlottesvilleWebDocument: In a combined vaccine approach, SFV DNA vectors and recombinant adenovirus expressing the classical swine fever virus (CSFV) E2 glycoprotein elicited higher titers of neutralizing antibodies in pigs [26] . After challenges with the virulent CSFV Shimen strain, no symptoms of viremia were observed, for the combined vaccine, whereas vaccination … chinle liheapWebThe classical swine fever virus (CSFV) C-strain has been used as a vaccine strain for over 60 years in China. A recent study has demonstrated that the E2 protein of C-strain plays a major role in... granite countertops chelsea alWebMay 31, 2024 · A full-length cDNA clone of attenuated strain HuN4-F112, obtained by serial cell passage from HP-PRRSV HuN4-F5 (GenBank accession no. EF635006), was used as the backbone for insertion of the E2 gene from the CSFV Shimen strain (GenBank accession no. AF092448) [24]. The resultant recombinant virus was compared to the … chinle mesa view elementary schoolWebDec 1, 2013 · The strains of CSFV (Shimen and C) used were obtained from the Control Institute of Veterinary Bioproducts and Pharmaceuticals (China). Virus strains were … granite countertops chattanooga tnWebTo investigate the effects of classical swine fever virus (CSFV) virulent strain Shimen (SM) infection on piglets peripheral blood leucocytes, the 60-days weanling piglets were … granite countertops chehalis wa