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- 저자 : Guohua Tang (검색결과 5 건)
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Effects of Maize Source and Complex Enzymes on Performance and Nutrient Utilization of Broilers
Tang, Defu,Hao, Shengyan,Liu, Guohua,Nian, Fang,Ru, Yingjun Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.12
The objective of this study was to investigate the effect of maize source and complex enzymes containing amylase, xylanase and protease on performance and nutrient utilization of broilers. The experiment was a $4{\times}3$ factorial design with diets containing four source maize samples (M1, M2, M3, and M4) and without or with two kinds of complex enzyme A (Axtra XAP) and B (Avizyme 1502). Nine hundred and sixty day old Arbor Acres broiler chicks were used in the trial (12 treatments with 8 replicate pens of 10 chicks). Birds fed M1 diet had better body weight gain (BWG) and lower feed/gain ratio compared with those fed M3 diet and M4 diet (p<0.05). Apparent ileal crude protein digestibility coefficient of M2 was higher than that of M3 (p<0.05). Apparent metabolisable energy (AME) and nitrogen corrected AME (AMEn) of M1 were significant higher than those of M4 (p<0.05). Supplementation of the basal diets with enzyme A or B improved the BWG by 8.6% (p<0.05) and 4.1% (p>0.05), respectively. The fresh feces output was significantly decreased by the addition of enzyme B (p<0.05). Maize source affects the nutrients digestibility and performance of broilers, and a combination of amylase, xylanase and protease is effective in improving the growth profiles of broilers fed maize-soybean-rapeseed-cotton mixed diets.
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Yueyue Guan,Guohua Tang,Lei Li,Jianzhong Shu,Yuhua Zhao,Li Huang,Jun Tang 대한약학회 2024 Archives of Pharmacal Research Vol.47 No.2
The gut microbiota that exists in the human gastrointestinal tract is incredibly important for the maintenance of general healthas it contributes to multiple aspects of host physiology. Recent research has revealed a dynamic connection between the gutmicrobiota and the central nervous system, that can infl uence neurodegenerative diseases (NDs). Indeed, imbalances in thegut microbiota, or dysbiosis, play a vital role in the pathogenesis and progression of human diseases, particularly NDs. Herbalmedicine has been used for centuries to treat human diseases, including NDs. These compounds help to relieve symptomsand delay the progression of NDs by improving intestinal barrier function, reducing neuroinfl ammation, and modulatingneurotransmitter production. Notably, herbal medicine can mitigate the progression of NDs by regulating the gut microbiota. Therefore, an in-depth understanding of the potential mechanisms by which herbal medicine regulates the gut microbiotain the treatment of NDs can help explain the pathogenesis of NDs from a novel perspective and propose novel therapeuticstrategies for NDs. In this review, we investigate the potential neuroprotective eff ects of herbal medicine, focusing on itsability to regulate the gut microbiota and restore homeostasis. We also highlight the challenges and future research prioritiesof the integration of herbal medicine and modern medicine. As the global population ages, access to this information isbecoming increasingly important for developing eff ective treatments for these diseases.
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Cao Zhengyan,Wu Peiyin,Gao Hongmei,Xia Ning,Jiang Ying,Tang Ning,Liu Guohua,Chen Zexiong 한국유전학회 2022 Genes & Genomics Vol.44 No.2
Background: Lonicera macranthoides is an important woody plant with high medicinal values widely cultivated in southern China. WRKY, one of the largest transcription factor families, participates in plant development, senescence, and stress responses. However, a comprehensive study of the WRKY family in L. macranthoides hasn't been reported previously. Objective: To establish an extensive overview of the WRKY family in L. macranthoides and identify senescence-responsive members of LmWRKYs. Methods: RNA-Seq and phylogenetic analysis were employed to identify the LmWRKYs and their evolutionary relationships. Quantitative real-time (qRT-PCR) and transgenic technology was utilized to investigate the roles of LmWRKYs in response to developmental-, cold-, and ethylene-induced senescence. Results: A total of 61 LmWRKY genes with a highly conserved motif WRKYGQK were identified. Phylogenetic analysis of LmWRKYs together with their orthologs from Arabidopsis classified them into three groups, with the number of 15, 39, and 7, respectively. 17 LmWRKYs were identified to be differentially expressed between young and aging leaves by RNA-Seq. Further qRT-PCR analysis showed 15 and 5 LmWRKY genes were significantly induced responding to tissue senescence in leaves and stems, respectively. What's more, five LmWRKYs, including LmWRKY4, LmWRKY5, LmWRKY6, LmWRKY11, and LmWRKY16 were dramatically upregulated under cold and ethylene treatment in both leaves and stems, indicating their involvements commonly in developmental- and stress-induced senescence. In addition, function analysis revealed LmWRKY16, a homolog of AtWRKY75, can accelerate plant senescence, as evidenced by leaf yellowing during reproductive growth in LmWRKY16-overexpressing tobaccos. Conclusion: The results lay the foundation for molecular characterization of LmWRKYs in plant senescence.
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Liu Na,Feng Yuchen,Liu Huicheng,Wu Wenliang,Liang Yuxia,Li Pingfei,Wei Zhengping,Wu Min,Tang Zhao-Hui,Han Junyan,Cheng Xiang,Liu Zheng,Laurence Arian,Li Huabin,Zhen Guohua,Yang Xiang-Ping 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.3
Purpose Macrophages are important regulators of environmental allergen-induced airway inflammation and asthma. ATP6V0d2 is a subunit of vacuolar ATPase highly expressed in macrophages. However, the functions of ATP6V0d2 in the regulation of pathogenesis of allergic asthma remain unclear. The aim of this study is to determine the function and related molecular mechanisms of macrophage protein ATP6V0d2 in allergic asthma. Methods We compared the disease severity between female C57BL/6 wild-type and ATP6V0d2−/− mice in an ovalbumin (OVA)-induced asthma model. We also investigated the association of expression of ATP6V0d2, PU.1 and CCL17 with disease severity among asthmatic patients. Results The expression of ATP6V0d2 in sputum cells of asthmatic patients and in the lungs of OVA-challenged mice was enhanced compared to healthy subjects and their counterparts, respectively. However, ATP6V0d2-deficient mice exaggerated inflammatory cell infiltration as well as enhanced alternative activated macrophage (AAM) polarization and mucus production in an OVA-induced asthma model. Furthermore, we found that Atp6v0d2 promoted lysosomal degradation of Pu.1, which induced AAM polarization and Ccl17 production. Among asthma patients, ATP6V0d2 expression was inversely associated with disease severity, whereas PU.1 and CCL17 expression was positively associated with disease severity. Conclusions Our results identify macrophage Atp6v0d2, as an induced feedback inhibitor of asthma disease severity by promoting Pu.1 lysosomal degradation, which may in turn leads to reduced AAM polarization and Ccl17 production.
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