Peroxinectin (PX) with cell adhesion and peroxidase activities is important in invertebrate immune responses. We identified a novel PX homolog from Scylla paramamosain (designated as Sp-PX) through transcriptome sequencing. The full-length of cDNA sequence was 3,165 bp. And there was a peroxidase domain in the deduced protein sequence. A cell-adhesive sequence (KGD motif) was also found in the N-terminus. The predicted molecular mass of the mature protein is 83.9 kDa, with an estimated pI of 6.21. At the amino acid level, Sp-PX shared much higher similarities with other crustaceans PX proteins. And Sp-PX also exhibited some similarities with other peroxidase family members. According to real-time polymerase chain reaction, Sp-PX was mainly distributed in the hemocytes. The gene expression levels in the hemocytes of the normal and white spot syndrome virus (WSSV)-challenged crabs were compared via high-throughput RNA sequencing technology, and the results showed that Sp-PX was upregulated at 48 h post-WSSV challenge. Subsequently, how Sp-PX responds to WSSV stimulus was explored through time-course experiments. The Sp-PX transcripts dramatically increased and reached the highest level at 12 h post-injection, whereas Sp-PX transcripts were recovered at 96 h post-challenge. Meanwhile, it was found that the WSSV copies proliferated significantly after a period of latent viral infection for 48 h. In addition,Sp-PX transcripts were also upregulated after Vibrio harveyi or Staphylococcus aureus challenge. Overall, Sp-PX not only participates in antibacterial immunity but also plays a crucial role in the antiviral immune responses of mud crab at the early stage of WSSV infection.
Objective: The curative effect of pneumatic pulsatile cupping on pain has been shown. This study was conducted to investigate effects of the pulsating frequency of pneumatic pulsatile cupping, compared with traditional cupping (TC), on body pain and quality of life (QoL) in people with suboptimal health status (SHS). Materials and Methods: Ninety-six participants with SHS were randomized to low-frequency (LF; n = 24) or high-frequency (HF; n = 24) pulsating cupping, traditional cupping (TC; n = 24), or wait-list (WL; n = 24) groups. The LF, HF, and TC groups received 4 sessions of cupping over 2 weeks. Visual analogue scale (VAS; 0-100 mm) pain level and Short-Form-36 (SF-36) QoL measurements were taken before and after the intervention.
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