112,082 research outputs found

    Ceremony - Jun Chen, Qi Chen, Shaoping Chen

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    Graduates Jun Chen, Qi Chen, and Shaoping Chen receive their hoods.https://scholarship.kentlaw.iit.edu/commencement_2013/1097/thumbnail.jp

    Stegana (Steganina) angulata Chen & Chen

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    Stegana (Steganina) angulata Chen & Chen Stegana (Steganina) angulata Chen & Chen, 2009 b: 230. Diagnosis. Lateral hook-lake projections of gonopods with serrate processes along margins; ventral part of aedeagus sclerotized and slick; dorsal part flat on apical margin (Chen & Chen 2009 b, Figs 4, 5). Specimen examined. Holotype 3: MALAYSIA (KPSP): Poring, Sabah, 16.iii. 1999, on tree trunk, MJ Toda. Distribution. Malaysia (Sabah).Published as part of Wu, Liang, Gao, Jian-Jun & Chen, Hong-Wei, 2010, The Stegana (Steganina) biprotrusa species group from the Oriental Region (Diptera: Drosophilidae), pp. 47-54 in Zootaxa 2721 on pages 48-49, DOI: 10.5281/zenodo.19989

    C-Jun N-terminal kinases/c-Jun and p38 pathways cooperate in ceramide-induced neuronal apoptosis

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    Understanding the regulation of the apoptotic program in neurons by intracellular pathways is currently a subject of great interest. Recent results suggest that c-Jun N-terminal kinases (JNK), mitogen-activated protein kinases and the transcription factor c-Jun are important regulators of this cell death program in post-mitotic neurons following survival-factor withdrawal. Our study demonstrates that ceramide levels increase upon survival-factor withdrawal in primary cultured cortical neurons. Furthermore, survival-factor withdrawal or addition of exogenous c2-ceramide induces JNK pathway activation in these cells. Western blot analyses of JNK and c-Jun using phospho-specific antibodies reveal that JNK and subsequent c-Jun phosphorylation occur hours before the initiation of apoptosis, reflected morphologically by neurite retraction and fragmentation, cell-body shrinkage and chromatin fragmentation. Immunocytochemistry using the same antibodies shows that phospho-JNK are localized in the neurites of control neurons and translocate to the nucleus where phospho-c-Jun concurrently appears upon ceramide-induced apoptosis. To determine if ceramide-induced c-Jun activation is responsible for the induction of the apoptotic program, we performed transient transfections of a dominant negative form of c-Jun, truncated in its transactivation region. Our results show that DNc-Jun partially protects cortical neurons from ceramide-induced apoptosis. Treatment of dominant negative c-Jun-expressing neurons with the pharmacological inhibitor of p38 kinase, SB203580, completely blocked neuronal death. Thus our data show that p38 and JNK/c-Jun pathways cooperate to induce neuronal apoptosis

    Stegana (Steganina) biprotrusa Chen & Aotsuka

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    Stegana (Steganina) biprotrusa Chen & Aotsuka (Figs 1–3) Stegana (Steganina) biprotrusa Chen & Aotsuka, 2004: 2783. Diagnosis. This species is very similar to S. angulata in the lateral hook-lake projections of gonopods with serrate processes along margins, but can be differentiated from it by having the ventral part of aedeagus unsclerotized, with several serrate processes, and the dorsal part convex on the apical margin (Chen & Aotsuka 2004, Fig. 7). Specimen examined. Holotype 3 (SCAU, No. 120879), JAPAN: Tomochi, Kumamoto, 17.viii. 2002, HW Chen. Distribution. Japan (Kyushu).Published as part of Wu, Liang, Gao, Jian-Jun & Chen, Hong-Wei, 2010, The Stegana (Steganina) biprotrusa species group from the Oriental Region (Diptera: Drosophilidae), pp. 47-54 in Zootaxa 2721 on page 49, DOI: 10.5281/zenodo.19989

    Eodendrus petiolatus Belokobylskij & Chen 2005

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    Eodendrus petiolatus Belokobylskij & Chen, 2005 Eodendrus petiolatus Belokobylskij et al., 2005: 2740. Type material. Holotype female (ZJUH): China, Guangxi, Tianlin, 24°17'38"N, 106°13'44"E, 278m elev., 31.V.1982, He Jun-hua, No. 822073. Distribution. China (Guangxi).Published as part of Wang, Man-man, Tan, Jiang-li, He, Jun-Hua & Chen, Xue-xin, 2009, The genus Eodendrus Belokobylskij (Hymenoptera, Braconidae, Doryctinae) from China, with description of a new species, pp. 43-50 in ZooKeys 27 (27) on page 46, DOI: 10.3897/zookeys.27.252, http://zenodo.org/record/57656

    Yong yu you hua zhi bei chao leng yuan zi hun he wu de guang xue ou ji jing

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    Chen, Jun = 用於優化製備超冷原子混合物的光學偶極阱 / 陳軍.Thesis M.Phil. Chinese University of Hong Kong 2014.Includes bibliographical references (leaves 109-117).Abstracts also in Chinese.Title from PDF title page (viewed on 29, November, 2016).Chen, Jun = Yong yu you hua zhi bei chao leng yuan zi hun he wu de guang xue ou ji jing / Chen Jun

    Elasmosoma (Sinoneoneurus) pallidipennis Li & Achterberg & Zheng & Chen 2020, comb. nov.

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    Elasmosoma (Sinoneoneurus) pallidipennis (He, Chen & van Achterberg, 1997), comb. nov. Sinoneoneurus pallidipennis He, Chen & van Achterberg, 1997: 73; He et al., 2000: 329. Biology. Unknown. Distribution. East Palaearctic Region: China.Published as part of Li, Jun, Achterberg, Cornelis van, Zheng, Minlin & Chen, Jiahua, 2020, Review of Neoneurini Bengtsson (Hymenoptera: Braconidae: Euphorinae) from China, pp. 281-289 in Zoological Systematics 45 (4) on page 288, DOI: 10.11865/zs.202034, http://zenodo.org/record/461796

    Elasmosoma (Sinoneoneurus) obscuripennis Li & Achterberg & Zheng & Chen 2020, comb. nov.

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    Elasmosoma (Sinoneoneurus) obscuripennis (He, Chen & van Achterberg, 1997), comb. nov. Sinoneoneurus obscuripennis He, Chen & van Achterberg, 1997: 71; He et al., 2000: 328. Biology. Unknown. Distribution. East Palaearctic Region: China.Published as part of Li, Jun, Achterberg, Cornelis van, Zheng, Minlin & Chen, Jiahua, 2020, Review of Neoneurini Bengtsson (Hymenoptera: Braconidae: Euphorinae) from China, pp. 281-289 in Zoological Systematics 45 (4) on pages 286-288, DOI: 10.11865/zs.202034, http://zenodo.org/record/461796

    Corrigendum: The taeniaticornis-group of genus Apanteles Foerster (Hymenoptera, Braconidae, Microgastrinae) from China with one new species. Journal of Hymenoptera Research 96: 21–31. doi: 10.3897/jhr.96.99649

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    In a paper about a new species of Apanteles (Microgastrinae)(Liu & Chen, 2023), we regret the omission of one author Jun-hua Chen in the second place of the author list who did great job in construction of the ZJUH collection for this study and the mistake in institution order and corresponding author. We provide the correct information below.Zhen Liu1, 2, Jun-hua He1, Xue-xin Chen11 Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. 2 Zoology Key Laboratory of Hunan Higher Education, College of Life and Environmental Sciences, Hunan University of Arts and Science, Changde 415000, China

    Amiota (Amiota) pengi Chen and Toda

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    Amiota (Amiota) pengi Chen and Toda Amiota (Amiota) pengi Chen and Toda, 1998b: 413; 2001: 1527. Specimens examined. China: paratypes, 6 ", Jianfeng, Hainan Is, 21 Sepember 1993, M. J. Toda leg. (SEHU). Distribution. China (Hainan Is).Published as part of Chen, Hong-Wei, Watabe, Hide-Aki, Gao, Jian-Jun, Takamori, Hisaki, Zhang, Ya-Ping & Aotsuka, Tadashi, 2005, Species diversity of the subgenus Amiota (s. str.) Loew, 1862 (Diptera, Drosophilidae) in southern China, pp. 265-310 in Journal of Natural History 39 (3) on page 270, DOI: 10.1080/00222930310001657883, http://zenodo.org/record/465789
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