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Neural plate progenitors give rise to both anterior and posterior pituitary cells

ABSTRACT: The pituitary is the master neuroendocrine tissue, which regulates body homeostasis. It consists of the adenohypophysis (AH), which harbors hormones producing cells and the neurohypophysis (NH), which relays the direct passage of hormones from the brain to the periphery. We previously characterized the mouse NH cell identities (Chen Q et al., 2020). However, the zebrafish NH cell types remained unknown owning to surgical inaccessible and limited amount of the tissue. Using Mars-Seq single-cell sequencing (Jaitin et al., 2014), we characterized the cell types of the neurohypophyseal enriched population from the juvenile and adult zebrafish pituitaries, which laid the foundation for further lineage and functional research in this study.

ORGANISM(S): Danio rerio

PROVIDER: GSE203075 | GEO | 2023/08/06

REPOSITORIES: GEO

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Project description:Male factors account for approximately 40% of all infertility. Conventional semen analysis focus on seminal physicochemical property and spermatozoa morphology. They yield no information concerning the functional competence of the spermatozoa(Petrunkina et al., 2007). Owning to the essential role of proteins in the reproductive process, comprehensive and systematic identification of proteome is critical to gain new insights into spermatogenesis and infertility. Recent advances in mass spectrometry have allowed the identification of hundreds to thousands of protein in spermatozoa(Oliva et al., 2008; Amaral et al., 2014; Codina et al., 2015). In major domestic mammalian species, global spermatozoa proteomic profiles have been described in rodents(Baker et al., 2008a; Baker et al., 2008b) and bovine(Peddinti et al., 2008). Meanwhile, lacking of new protein synthesis in spermatozoa supports the current view that the regulation of sperm maturation is controlled by exogenous proteins(O'Rand et al., 2011) (e.g., during epididymal transit). Among the seminal plasma proteins, The human seminal plasma has been comprehensively described (Pilch and Mann, 2006; Batruch et al., 2011; Milardi et al., 2012; Milardi et al., 2013; Sharma et al., 2013). In domestic animal species, some studies performing a systematic analysis on using high throughput proteomics have been performed(Kelly et al., 2006; Moura et al., 2007; Souza et al., 2012; Druart et al., 2013; Soleilhavoup et al., 2014). Buffalos (Bubalus bubalis) are adapted to hot–humid tropical climatic conditions, but have low reproductive efficiency. The low sperm motility maybe contributed to protein components variation of spermatozoa and seminal plasma. The composition of buffalo spermatozoa and buffalo seminal plasma (BSP) remains unknown. Proteomic study would be beneficial to the elucidation of the roles of sperm and BSP proteins in regulation of maturation, motility and fertilization. As such, the aim of the current study was to extensively characterize the differentially expressed protein of buffalo spermatozoa and seminal plasma using a comparative proteomics.

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Neural plate progenitors give rise to both anterior and posterior pituitary cells

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