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公司新聞NEWS

喜訊:恭賀南京農業大學王老師成功取獎學金

閱讀次數：1235 發布時間：2021/5/11 10:38:15

恒遠生物 業致力于打造流的民族品牌，提供全面的、創新的、優質的、便捷的科研產品和服務。目，我們自主研發的重組蛋白、抗體、ELISA檢測試劑盒得到廣大科研用戶的認可，并且多次發表于權威期刊，進步推動了民族品牌化的傳播。

服務熱線：13564766906

五月，大家的論文寫的怎么樣了？

先我們要恭賀下來自南京農業大學的王老師，2021年王老師在《International Journal of Nanomedicine》（納米醫學雜志）發表了SCI文獻，發表的文獻影響因子(IF)達到了5.15分！然后讓我們恭喜王老師到了恒遠生物的獎學金！

這篇論文寫的非常棒，其中的很多實驗方法和思路值得我們閱讀，小編想要分享給大家，希望能夠對做實驗的小伙伴們有點點幫助，也希望大家積的參與我們的“發論文贏獎學金”活動，小編等著你們的投稿哦，下個獎學金的說不定就是你！

、恒遠產品文獻分享：

【文獻標題】

Nanoparticles of Chitosan/Poly(D,L-Lactide-CoGlycolide) Enhanced the Immune Responses of Haemonchus contortus HCA59 Antigen in Model Mice

【作者單位】南京農業大學（Nanjing Agricultural University）

【文獻中引用產品】

小鼠免疫球蛋白G1(IgG1)elisa試劑盒

小鼠IgG2a抗體亞型ELISA試劑盒

小鼠免疫球蛋白M(IgM)ELISA試劑盒

小鼠白介素4(IL-4)ELISA試劑盒

小鼠白介素12(IL-12)ELISA試劑盒

小鼠白介素17A(IL-17A)ELISA試劑盒

小鼠γ干擾素(IFN-γ)ELISA試劑盒

小鼠轉化生長因子β（TGF-β） ELISA試劑盒

【關鍵詞】

【DOI】https://doi.org/10.2147/IJN.S301851

【影響因子(IF)】5.15

【出版期刊】《International Journal of Nanomedicine》

二、產品原文引用

Cytokine Assays

The levels of IL-4, IL-12, IL-17, IFN-γ, ａnd TGF-β in sera from the ten groups were investigated with commercial ELISA kits (HengYuan, Shanghai, China) according to the manufacturer’s guidelines.

Characterization of rHCA59-CS NPs ａnd rHCA59-PLGA NPs

After conjugation, PLGA ａnd Chitosan nanoparticles were precipitated ａnd the free amounts of rHCA59 protein were determined by a BCA protein assay kit. It was found that 89% ａnd 71% of rHCA59 were conjugated to PLGA ａnd Chitosan, respectively. In other words, a total of 1.78 mg of protein bound to PLGA, ａnd 1.42 mg of protein bound to Chitosan.A scanning electron microscopy was used to identify the size ａnd morphology of PLGA ａnd Chitosan nanoparticles. The SEM results showed that both PLGA ａnd Chitosan nanoparticles’ appearances were smooth. The size of rHCA59-PLGA NPs was from 180 nm to 402 nm (Figure 1A) ａnd the size of rHCA59-CS NPs was from 200 nm to 500 nm (Figure 1B).

Figure 3 Effects of different antigen delivery systems on the expressions of multiple cytokines. Sera were collected ａnd detected on day 14 by ELISA.

Notes: (1): PBS group (blank control). (2): pET-32a protein group. (3): PBS-PLGA group. (4): PBS-CS group. (5): PBS-CFA group. (6): rHCA59 group. (7): rHCA59-PLGA group. (8): rHCA59-CS group. (9): rHCA59-CFA group. (10): rHCA59-CS-PLGA group. (A) IL-12. (B) IL-17. (C) IFN-γ. (D) IL-4. (E) TGF-β. Data are representative of triplicate independent experiments (*p < 0.05, **p < 0.01, ａnd ***p < 0.001). Abbreviations: PLGA, poly-D,L-lactide-co-glycolide; CS, Chitosan; CFA, complete Freund’s adjuvant; IL, interleukin; ELISA, enzyme linked immunosorbent assay

Figure 5 Effects of different antigen delivery systems on T lymphocyte subsets.

Notes: rHCA59 loaded nanoparticles could affect the proportions of CD4+ T cells ａnd CD8+ T cells in immunized mice. The percentages of CD4+ T cells (A1–A10) ａnd CD8+ T cells (B1–B10) in ten groups were investigated by flow cytometry on day 14 after immunization. (C ａnd D) Different treatments affected the proportions of CD4+ T cells ａnd CD8+ T cells. (A1 ａnd B1) PBS group (blank control). (A2 ａnd B2) PBS-CFA group. (A3 ａnd B3) PBS-PLGA group. (A4 ａnd B4) PBS-CS group. (A5 ａnd B5) pET-32a protein group. (A6 ａnd B6) rHCA59 group. (A7 ａnd B7) rHCA59-CFA group. (A8 ａnd B8) rHCA59-CS group. (A9 ａnd B9) rHCA59-PLGA group. (A10 ａnd B10) rHCA59-CS-PLGA group. The results shown here are from three independent experiments (*p < 0.05, **p < 0.01, ａnd ***p < 0.001). Abbreviations: CD4, cluster of differentiation 4; CD8, cluster of differentiation 8; T cells, thymus cells; PLGA, poly-D,L-lactide-co-glycolide; CS, Chitosan; CFA, complete Freund’s adjuvant.