Shenqiang Hu

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The transcription factors GATA-4 and GATA-6, members of the GATA family, play an important role in ovarian cell proliferation, differentiation and apoptosis. In this study, the full-length coding sequences of goose GATA-4 and GATA-6 were cloned and characterized. GATA-4 and GATA-6 consist of 1236 and 1104 nucleotides encoding proteins with 411 and 367 amino(More)
Prolactin (PRL) has both pro- and anti-gonadal roles in the regulation of avian ovarian functions through its interaction with the receptor (PRLR). However, neither the pattern of expression of PRLR nor its regulatory mechanisms during follicle development have been clearly defined. The objective of the present study was to investigate mechanisms of PRLR(More)
Very low density lipoprotein receptor (VLDLR)-mediated endocytosis of plasma lipoproteins into the ovary is essential for ovarian follicle development. Two splice variants of VLDLR have been identified in several species, yet little is known about their distinctive roles in ovarian developing follicles. In the present study, the full-length cDNAs of two(More)
Leptin was known as a pivotal regulator for the control of food intake and energy expenditure. However, leptin has also been found to be involved in the regulation of female reproductive system through interactions with pathways in the hypothalamic-hypophyseal axis and direct action at the ovarian level. In the present study, granulosa cells from goose(More)
Leptin is critical for reproductive endocrinology. The aim of this study is to assess the expression patterns of leptin receptor (Lepr) during ovarian follicle development and to reveal the mechanism by which leptin affects steroid hormone secretion in goose granulosa cells. Transcripts of Lepr were ubiquitous in all tested tissues, with pituitary and(More)
Low-density lipoprotein receptor-related protein 8 (LRP8) is a member of the low-density lipoprotein receptor gene family that functions in body lipoprotein homeostasis. In this study, reverse transcription-polymerase chain reaction, rapid amplification of cDNA ends, and real-time PCR were performed to characterize the duck LRP8 gene. The cDNA of duck LRP8(More)
Dicer plays a key role in the biogenesis of microRNAs and small interfering RNAs, which control the coordinated expression of multiple of genes during follicle development. In this study, the cDNAs encoding two Dicer isoforms (gDicer-a and gDicer-b, respectively) were isolated and cloned from goose ovary using RT-PCR. This is the first time a new Dicer(More)
Prolactin-like protein (PRL-L; LOC417800) is a homolog of PRL in non-mammalian vertebrates and can act as a functional ligand of PRL receptor (PRLR). Despite its widespread expression in extrapituitary tissues, mechanisms of regulation of PRL-L in the chicken ovary remain unknown. In this study, we first examined PRL-L expression in chicken ovarian(More)
In vivo de novo lipogenesis (DNL) in the liver and adipose tissues of ducks during early developmental stages after hatching has not previously been investigated. In this study, female Peking ducks (Anas platyrhynchos) at weeks 1 to 8 post-hatching were selected for experimentation. We measured the mRNA levels of 6 DNL-related genes in the duck liver,(More)
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