Publications by authors named "Guo-yun Wang"

Article Synopsis
  • Flooding and drought are major obstacles for maize production, with glycinebetaine (GB) being an osmotic agent that may help mitigate these stresses, though research on its effectiveness is limited.
  • This study examines the impact of various GB concentrations on maize hybrids Yindieyu 9 and Heyu 397, subjected to flooding and drought conditions at the three-leaf stage.
  • Results showed that 5.0 mM GB significantly improved antioxidant activities and overall growth in maize, with a greater effect observed under flooding conditions, particularly in the Heyu 397 variety.
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Drought and flooding are the two most important environmental factors limiting maize (Zea mays L.) production globally. This study aimed to investigate the physiological mechanisms and accurate evaluation indicators and methods of maize germplasm involved in drought and flooding stresses.

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Among the most prevalent cancers in the world, hepatocellular carcinoma (HCC) has a high mortality rate. The diagnosis and management of HCC are presently hindered by difficulties in early detection and suboptimal treatment outcomes. Exosomes have been shown to play an important role in hepatocarcinogenesis and can also be used for diagnosis and treatment.

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Abundant nitrogen (N) fertilization is needed for maize (Zea mays L.) production in China because of its huge residual biomass return. However, excessive N fertilization has a negative impact on the soil ecosystem and environment, which contributes to climate change.

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Article Synopsis
  • - Background studies show that the kappa opioid receptor (KOR) might be crucial in understanding and treating esophageal squamous cell carcinoma (ESCC), but its specific effects on tumor progression are not fully known.
  • - The research compared KOR gene expression in cancerous vs. normal tissues, revealing lower KOR levels linked to worse survival rates; experiments indicated that lowering KOR increased cancer cell growth, spread, and invasion abilities.
  • - Mechanistically, reduced KOR activates the PDK1-AKT signaling pathway, facilitating tumor invasion and changes in the cytoskeleton, evidenced by alterations in protein interactions and cellular structures during the tests conducted in both lab and animal models.
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Melatonin plays an important role in numerous vital life processes of animals and has recently captured the interests of plant biologists because of its potent role in plants. As well as its possible contribution to photoperiodic processes, melatonin is believed to act as a growth regulator and/or as a direct free radical scavenger/indirect antioxidant. However, identifying a precise concentration of melatonin with an optimum nitrogen level for a particular application method to improve plant growth requires identification and clarification.

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Waterlogging is one of the serious abiotic stresses that inhibits crop growth and reduces productivity. Therefore, investigating efficient waterlogging mitigation measures has both theoretical and practical significance. The objectives of the present research were to examine the efficiency of melatonin and KNO seed soaking and foliar application on alleviating the waterlogging inhibited growth performance of maize seedlings.

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Background: Melatonin is considered a potential plant growth regulator to enhance the growth of plants and increase tolerance to various abiotic stresses. Nevertheless, melatonin's role in mediating stress response in different plant species and growth cycles still needs to be explored. This study was conducted to understand the impact of different melatonin concentrations (0, 50, 100, and 150 μM) applied as a soil drench to maize seedling under drought stress conditions.

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Background: Creating a functional neovagina is a practical therapeutic intervention for women with congenital vaginal agenesis and sexual needs. Although the incidence of neovaginal prolapse (NP) is low, it is inconvenient for patients and is a challenging problem for gynecologists.

Case: A 32-year-old woman who had undergone transabdominal sigmoid vaginoplasty 10 years previously at another hospital visited our clinic for evaluation and treatment of NP.

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Red bayberry () is an evergreen fruit tree found in southern China whose whole-genome sequence has recently been published. We updated the linkage map of the species by adding 118 SSR markers and the female-specific marker MrFT2_BD-SEX. The integrated map included eight linkage groups and spanned 491 cM.

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The MADS-box gene family encodes transcription factors and plays an important role in plant growth and the development of flower and fruit. A perennial dioecious plant, the red bayberry genome has been published recently, providing the opportunity to analyze the MADS-box gene family and its role in fruit development and ripening. Here, we identified 54 MADS-box genes in the red bayberry genome, and classified them into two types based on phylogenetic analysis.

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Background: First flower node (FFN) is an important trait for evaluating fruit earliness in pepper (Capsicum annuum L.). The trait is controlled by quantitative trait loci (QTL); however, studies have been limited on QTL mapping and genes contributing to the trait.

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Morella rubra, red bayberry, is an economically important fruit tree in south China. Here, we assembled the first high-quality genome for both a female and a male individual of red bayberry. The genome size was 313-Mb, and 90% sequences were assembled into eight pseudo chromosome molecules, with 32 493 predicted genes.

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Background: Chinese bayberry (Myrica rubra Sieb. & Zucc.) is an important subtropical evergreen fruit tree in southern China.

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Background: Endometriosis is a common, benign, oestrogen-dependent, chronic gynaecological disorder associated with pelvic pain and infertility. Some researchers have identified nerve fibers in endometriotic lesions in women with endometriosis. Mesenchymal stem cells (MSCs) have attracted interest for their possible use for both cell and gene therapies because of their capacity for self-renewal and multipotentiality of differentiation.

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Chinese bayberry (Myrica rubra Sieb. et Zucc.) is one of the important subtropical fruit crops native to the South of China and Asian countries.

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Objective: This study examines whether silencing specific β-nerve growth factor small interfering RNA (β-NGF siRNA) can affect the growth of ectopic endometriotic implants, generalized hyperalgesia, and nerve fiber density in endometriosis.

Methods: Four specific β-NGF siRNAs were detected by Western blot analysis, and the most efficient specific siRNA was transferred into rats with surgically induced endometriosis through gene transfer. The length × width × height of each ectopic transplant that survived from 2 groups were measured at pre-and postbombardment after 2 weeks.

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The placenta is an attractive new source of mesenchymal stem cells (MSCs), but the biological characteristics of placenta-derived MSCs (P-MSCs) have not yet been characterized. We successfully isolated, cultured and expanded P-MSCs using routine methods. Under appropriate induction conditions, these cells can differentiate into bone, cartilage, fat and hepatocyte-like cells.

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To elucidate the process of fetal liver hematopoiesis, the relationships between stroma and hematopoietic cells involved in maturation were investigated. Cultured mouse fetal liver explants were established for morphological analysis of the interactions between fetal liver stroma and hematopoietic cells ex vivo. Fetal liver stroma comprised epithelial cells and macrophages, which occupied most of the culture surface.

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