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Hebei University

2 ARTICLES PUBLISHED IN JoVE

Biology

Optimizing the Rearing Procedure of Germ-Free Wasps

Zhengyu Zhu^*1,2, Dandan Wang^*1, Yanjun Liu¹, Ting Tang², Guan-Hong Wang¹

¹State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, ²College of Life Sciences, Hebei University

Nasonia wasp embryos were dissected from Lucillia sericata pupae after parasitization for 12-24 h and washed with alcohol and 10% sodium hypochlorite solution to obtain germ-free embryos. After rearing the germ-free embryos and supplying them with Nasonia rearing medium to grow and develop in vitro, germ-free Nasonia adults were obtained.

Biochemistry

Identification of Peptides of Small Extracellular Vesicles from Bone Marrow-Derived Macrophages

Jiale Cheng^1,2, Jiong Zhu^1,2, Yujiao Liu^2,3, Chen Yang^2,3, Yuehui Zhang², Yuchen Liu², Chaozhi Jin², Jian Wang^1,2

¹School of Basic Medical Sciences, Anhui Medical University, ²State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, ³School of Life Sciences, Hebei University

This protocol describes a procedure to isolate small extracellular vesicles from macrophages by differential ultracentrifugation and extract the peptidome for identification by mass spectrometry.