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cDNA Cloning and Stage-Dependant Expression of Arylphorin Gene from Chinese Oak Silkworm, Antheraea pernyi (작잠(Antheraea pernyi) 아릴포린(Arylphorin) 유전자의 cDNA 클로닝 및 아릴포린 유전자의 발육시기 의존성 발현양상)

  • Lee, Sang-Mong;Hwang, Jae-Sam;Park, Nam-Sook;Kim, Yong-Gyun;Kim, Keun-Ki;Son, Hong-Joo;Park, Hyun-Chul;Jin, Byung-Rae
    • Journal of Life Science
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    • v.20 no.8
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    • pp.1193-1200
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    • 2010

  • The cDNA cloning and developmental profiles of the mRNA for A. pernyi arylphorin was determined. The complete A. pernyi arylphorin cDNA sequence comprised 2,234 bp (without the poly $A^+$ tail), including an open reading frame of 2,112 bp beginning with a methionine ATG at bp34. The A. pernyi arylphorin contained 704 amino acids which are highly enriched in aromatic amino acids, phenylalanine and tyrosine. The calculated molecular mass of the A. pernyi arylphorin from the ORF was 83,439 Da. The deduced amino acid sequence of A. pernyi arylphorin showed 78, 71, 62 and 64% identity with those of H. cecropia, M. sexta $\alpha$ subunit, M. sexta $\beta$ subunit and B. mori storage protein. In Northern blot analysis, the A. pernyi arylphorin mRNA only in the fat body of the 5th instar larvae was responsible for gene expression of the protein, and the synthetic activity of the mRNA was detected strongly in the early larvae, but not in the middle or late-stage larvae. In addition, a very weak signal in mRNA activity was detected in pupal stages, but this was considered to be inactive mRNA after reviewing the results of the labeling experiment of this protein.

  • https://doi.org/10.5352/JLS.2010.20.8.1193 인용 PDF KSCI

A novel pattern recognition protein of the Chinese oak silkmoth, Antheraea pernyi, is involved in the pro-PO activating system

  • Wang, Xialu;Zhang, Jinghai;Chen, Ying;Ma, Youlei;Zou, Wenjun;Ding, Guoyuan;Li, Wei;Zhao, Mingyi;Wu, Chunfu;Zhang, Rong
    • BMB Reports
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    • v.46 no.7
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    • pp.358-363
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    • 2013

  • In this paper, we firstly reported a C-type lectin cDNA clone of 1029 bps from the larvae of A. Pernyi (Ap-CTL) using PCR and RACE techniques. The full-length cDNA contains an open reading frame encoding 308 amino acid residues which has two different carbohydrate-recognition domains (CRDs) arranged in tandem. To investigate the biological activities in the innate immunity, recombinant Ap-CTL was expressed in E. coli with a 6-histidine at the amino-terminus (Ap-rCTL). Besides acted as a broad-spectrum recognition protein binding to a wide range of PAMPs and microorganisms, Ap-rCTL also had the ability to recognize and trigger the agglutination of bacteria and fungi. In the proPO activation assay, Ap-rCTL specifically restored the PO activity of hemolymph blocked by anti-Ap-rCTL antibody in the presence of different PAMPs or microorganisms. In summary, Ap-rCTL plays an important role in insect innate immunity as an pattern recognition protein.

  • https://doi.org/10.5483/BMBRep.2013.46.7.009 인용 PDF KSCI KPUBS HTML

Powdered Wound Dressing Materials Made from wild Silkworm Antheraea pernyi Silk Fibroin on Full-skin Thickness Burn Wounds on Rats

  • Kim, Min-Keun;Yoo, Ki-Yeon;Kwon, Kwang-Jun;Kim, Seong-Gon;Park, Young-Wook;Lee, Kwang-Gill;Jo, You-Young;Kweon, Hae-Yong
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.36 no.3
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    • pp.111-115
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    • 2014

  • Purpose: This study evaluated powdered burn wound dressing materials from wild silkworm fibroin in an animal model. Methods: Fifteen rats were used in this experiment. Full-thickness $2{\times}2cm$ burn wounds were created on the back of rats under anesthesia. In the two experimental groups, the wounds were treated with two different dressing materials made from silkworm fibroin. In the Control Group, natural healing without any dressing material was set as control. The wound surface area was measured at five days, seven days and 14 days. Wound healing was evaluated by histologic analysis. Results: By gross observation, there were no infections or severe inflammations through 14 days post-injury. The differences among groups were statistically significant at seven days and 14 days, postoperatively (P<0.037 and 0.001, respectively). By post hoc test, the defect size was significantly smaller in experimental Group 1 compared with the Control Group and experimental Group 2 at seven days postoperatively (P=0.022 and 0.029, respectively). The difference between Group 1 and Group 2 was statistically significant at 14 days postoperatively (P<0.001). Group 1 and control also differed significantly (P=0.002). Group 1 showed a smaller residual scar than the Control Group and Group 2 at 14 days post-injury. Histologic analysis showed more re-epithelization in Groups 1 and 2 than in the Control Groups. Conclusion: Burn wound healing was accelerated with silk fibroin spun by wild silkworm Antheraea pernyi. There was no atypical inflammation with silk dressing materials. In conclusion, silk dressing materials can be used for treatment of burn wound.

  • https://doi.org/10.14402/jkamprs.2014.36.3.111 인용 PDF KSCI