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Yu'e Ma et al.
Transgenic research, 30(3), 275-281 (2021-04-13)
Careful selection of the host embryo is critical to the efficient production of knockout (KO) mice when injecting mouse embryonic stem (mES) cells into blastocysts. B6(Cg)-Tyrc-2j/J (B6 albino) and C57BL/6NTac (B6NTac) strains of mice are widely used to produce host
Jane C Fenelon et al.
Biology of reproduction, 97(1), 119-132 (2017-06-24)
Embryonic diapause is a common reproductive strategy amongst mammals, requiring an intimate cross-talk between the endometrium and the blastocyst. To date, the precise molecular signals responsible are unknown in the mouse or any other mammal. Previous studies in the mink
Yuting Xiang et al.
Frontiers in cell and developmental biology, 9, 704341-704341 (2021-08-17)
N4-acetylcytidine (ac4C), a newly identified epigenetic modification within mRNA, has been characterized as a crucial regulator of mRNA stability and translation efficiency. However, the role of ac4C during oocyte maturation, the process mainly controlled via post-transcriptional mechanisms, has not been
Christina Gougoula et al.
PloS one, 14(7), e0219604-e0219604 (2019-07-13)
Energy balance is essential for all species. Ligand-receptor interactions mediate processes that regulate body activities like reproduction and metabolism based on the energy status. Such receptors are the heparan sulfate proteoglycans and specifically the family of syndecans. Therefore we investigated
Lanping Hao et al.
Biology of reproduction, 80(5), 944-953 (2009-01-09)
DDK syndrome is the polar-lethal embryonic death that occurs at the morula-blastocyst transition when female mice of the DDK strain are mated with males from many other inbred strains (so-called alien males). Embryonic death is caused by incompatibility between a
Qian-Qian Sha et al.
Nature communications, 11(1), 4917-4917 (2020-10-03)
Maternal mRNA clearance is an essential process that occurs during maternal-to-zygotic transition (MZT). However, the dynamics, functional importance, and pathological relevance of maternal mRNA decay in human preimplantation embryos have not yet been analyzed. Here we report the zygotic genome
Xiaoxiao Wang et al.
Cell research, 31(5), 526-541 (2021-02-21)
The pluripotency of mammalian early and late epiblast could be recapitulated by naïve embryonic stem cells (ESCs) and primed epiblast stem cells (EpiSCs), respectively. However, these two states of pluripotency may not be sufficient to reflect the full complexity and developmental
Luping Yu et al.
Development (Cambridge, England), 148(2) (2020-12-16)
Alternative splicing (AS) contributes to gene diversification, but the AS program during germline development remains largely undefined. Here, we interrupted pre-mRNA splicing events controlled by epithelial splicing regulatory protein 1 (ESRP1) and found that it induced female infertility in mice.
Hao Qin et al.
Frontiers in cell and developmental biology, 9, 635728-635728 (2021-02-20)
RBM14 is an RNA-binding protein that regulates spindle integrity in mitosis; however, its functions during meiosis are still unclear. In this study, we discovered that RBM14 expression was down-regulated in oocytes from old mice. The RBM14 distribution at different stages
Huanyu Qiao et al.
Molecular cell, 72(2), 211-221 (2018-10-03)
Oocyte quality control culls eggs with defects in meiosis. In mouse, oocyte death can be triggered by defects in chromosome synapsis and recombination, which involve repair of DNA double-strand breaks (DSBs) between homologous chromosomes. We show that RNF212, a SUMO
Jian Yang et al.
Nature, 550(7676), 393-397 (2017-10-12)
Mouse embryonic stem cells derived from the epiblast contribute to the somatic lineages and the germline but are excluded from the extra-embryonic tissues that are derived from the trophectoderm and the primitive endoderm upon reintroduction to the blastocyst. Here we
Ludwig Stenz et al.
PloS one, 14(6), e0208371-e0208371 (2019-06-11)
Di(2-ethylhexyl)phthalate (DEHP) interferes with sex hormones signaling pathways (SHP). C57BL/6J mice prenatally exposed to 300 mg/kg/day DEHP develop a testicular dysgenesis syndrome (TDS) at adulthood, but similarly-exposed FVB/N mice are not affected. Here we aim to understand the reasons behind
Qianhua Xu et al.
Nature genetics, 51(5), 844-856 (2019-05-02)
The oocyte epigenome plays critical roles in mammalian gametogenesis and embryogenesis. Yet, how it is established remains elusive. Here, we report that histone-lysine N-methyltransferase SETD2, an H3K36me3 methyltransferase, is a crucial regulator of the mouse oocyte epigenome. Deficiency in Setd2
Owen R Vaughan et al.
Clinical science (London, England : 1979), 135(17), 2049-2066 (2021-08-19)
Fetal growth restriction (FGR) is a complication of pregnancy that reduces birth weight, markedly increases infant mortality and morbidity and is associated with later-life cardiometabolic disease. No specific treatment is available for FGR. Placentas of human FGR infants have low
Qiaochu Wang et al.
Scientific reports, 9(1), 19941-19941 (2019-12-29)
Standard cytotoxic cancer treatments, such as radiation, can damage and deplete the supply of oocytes stored within the ovary, which predisposes females to infertility and premature menopause later in life. The mechanisms by which radiation induces oocyte damage have not
Shu-Yan Ji et al.
Molecular human reproduction, 23(10), 698-707 (2017-09-30)
What is the physiological function of Yes-associated protein-1 (Yap1), a susceptibility gene for polycystic ovary syndrome (PCOS), in ovarian granulosa cells (GCs)? Physiologically, steroid sex hormones stimulate follicle growth by activating YAP1; however, the preovulatory inhibition of YAP1 activity in
Huan Ou-Yang et al.
International journal of molecular sciences, 22(1) (2021-01-21)
The maternal-to-zygotic transition (MZT), which controls maternal signaling to synthesize zygotic gene products, promotes the preimplantation development of mouse zygotes to the two-cell stage. Our previous study reported that mouse granzyme g (Gzmg), a serine-type protease, is required for the
Ravindra Singh Prajapati et al.
Biology open, 9(2) (2020-01-29)
During vertebrate embryonic development, the formation of axial structures is driven by a population of stem-like cells that reside in a region of the tailbud called the chordoneural hinge (CNH). We have compared the mouse CNH transcriptome with those of
Feng-Lian Yang et al.
Frontiers in pharmacology, 11, 742-742 (2020-06-13)
The incidence of obesity-associated decline in male fertility has increased over the years. Lycium barbarum polysaccharide (LBP), a natural plant polysaccharide extracted from the Chinese herb L. barbarum has shown promising therapeutic effects in overcoming the same. This study aimed
Ekin Ucuncu et al.
Nature communications, 11(1), 6087-6087 (2020-12-02)
Inositol polyphosphates are vital metabolic and secondary messengers, involved in diverse cellular functions. Therefore, tight regulation of inositol polyphosphate metabolism is essential for proper cell physiology. Here, we describe an early-onset neurodegenerative syndrome caused by loss-of-function mutations in the multiple
Andrew C Payne et al.
Science (New York, N.Y.), 371(6532) (2021-01-02)
Understanding genome organization requires integration of DNA sequence and three-dimensional spatial context; however, existing genome-wide methods lack either base pair sequence resolution or direct spatial localization. Here, we describe in situ genome sequencing (IGS), a method for simultaneously sequencing and
Michaela Frolikova et al.
International journal of molecular sciences, 20(5) (2019-03-01)
Integrins are transmembrane cell receptors involved in two crucial mechanisms for successful fertilization, namely, mammalian intracellular signaling and cell adhesion. Integrins α6β4, α3β1 and α6β1 are three major laminin receptors expressed on the surface of mammalian cells including gametes, and
Takaya Totsuka et al.
Scientific reports, 10(1), 6556-6556 (2020-04-18)
To study the functional differences between maternal and paternal genomes in mammalian development, embryos with only one parental genome are often used. Androgenetic embryos are produced by the removal of maternal chromosomes before or after fertilization by techniques that require
Jian Li et al.
Journal of cellular physiology, 235(10), 7136-7145 (2020-02-08)
Mammalian cyclin A1 is prominently expressed in testis and essential for meiosis in the male mouse, however, it shows weak expression in ovary, especially during oocyte maturation. To understand why cyclin A1 behaves in this way in the oocyte, we
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Ting Wang et al.
Frontiers in cell and developmental biology, 9, 648331-648331 (2021-05-04)
The nucleolus undergoes significant functional changes and plays important roles during mammalian oocyte meiotic maturation. Fibrillarin (FBL) is the component of nucleolar small nuclear ribonucleoprotein (snRNP) particle and localizes to the dense fibrillar component (DFC) of the nucleolus. We found
J Aaron Crapster et al.
eLife, 9 (2020-03-13)
Mammalian spermiogenesis is a remarkable cellular transformation, during which round spermatids elongate into chromatin-condensed spermatozoa. The signaling pathways that coordinate this process are not well understood, and we demonstrate here that homeodomain-interacting protein kinase 4 (HIPK4) is essential for spermiogenesis
Jarrod McKenna et al.
PloS one, 15(12), e0244411-e0244411 (2020-12-29)
The Egyptian or Common spiny mouse (A. cahirinus) is the first rodent species to show human-like menstruation and spontaneous decidualisation. We consider from these, and its other, human-like characteristics that this species will be a more useful and appropriate small
Hai Zhou et al.
Genesis (New York, N.Y. : 2000), 57(6), e23295-e23295 (2019-04-20)
Spermatogonial stem cells (SSCs) are adult stem cells that are slowly cycling and self-renewing. The pool of SSCs generates very large numbers of male gametes throughout the life of the individual. SSCs can be cultured in vitro for long periods
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