Leptin decreases Th17/Treg ratio to facilitate neuroblastoma via inhibiting long-chain fatty acid catabolism in tumor cells by Meng Li, Di Li, Hai-Yun Wang, Weixin Zhang, Zhenjian Zhuo, Huiqin Guo, Jiabin Liu, Yue Zhuo, Jue Tang, Jing He, Lei Miao

“…Mechanically, leptin in NB cells blunted the activity of carnitine palmitoyltransferase 2 (CPT2), the key enzyme for LCAC catabolism, by inhibiting sirtuin 3-mediated CPT2 deacetylation, which depresses oxidative phosphorylation (OXPHOS) for energy supply and increases lactic acid (LA) production from glycolysis to modulate CD4+ T cell differentiation. …”
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Utilization of green algae Caulerpa racemosa as feed ingredient for tiger shrimp Penaeus monodon by Widya Puspitasari, Dedi Jusadi, Mia Setiawati, Julie Ekasari, Abidin Nur, Iwan Sumantri

“…However, the growth performance of the shrimp fed with diet containing more than 20% of C. racemosa decreased. The enzyme activitity of superoxide dismutase (SOD) increased with the higher level of dietary addition of C. racemosa. …”
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FDFT1 inhibits macrophage M1 polarization and promotes colorectal cancer progression by GAO Yuan, HUANG Yulan, ZHAO Kun

“…Objective‍　‍To screen the targets related to the metabolic enzymes involved in the cholesterol synthesis pathway that inhibits the polarization of macrophages towards M1 phenotype, and verify the intervention effects and underlying mechanisms in colorectal cancer cells. …”
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Brain function abnormalities and inflammation in HIV-positive men who have sex with men with depressive disorders by Yang Zhang, Yang Zhang, Yihui He, Yihui He, Yuan Fang, Yuan Fang, Miaotian Cai, Guangqiang Sun, Guangqiang Sun, Rui Wang, Rui Wang, Jiaxin Zhen, Jiaxin Zhen, Yulin Zhang, Zhen Li, Zhen Li, Yundong Ma, Yundong Ma, Tong Zhang, Tong Zhang

“…Peripheral blood cytokines, plasma concentrations of hormone and neurotrophic factors, and immune cell levels were determined using liquid chip, enzyme-linked immunosorbent assay, and flow cytometry, respectively. …”
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Effect of Electroacupuncture Preconditioning on Inflammatory Factors of Rabbits after Spinal Cord Ischemia-Reperfusion Injury by Mengli YAO, Xianghua CHEN, Zhaohui CHEN, Hai WANG

“…Objective:To observe the effects of electroacupuncture preconditioning on the pathological changes of spinal cord tissue and the expression of inflammatory cytokines such as interleukin-1β(IL-1β), interleukin-6(IL-6), tumor necrosis factor-α(TNF-α), interleukin-1 receptor antagonist(IL-1Rα)after spinal cord ischemia-reperfusion injury, and to explore the protective mechanism of electroacupuncture on spinal cord ischemia-reperfusion injury in rabbits.Methods:A total of twenty-four New Zealand white rabbits were randomly divided into the sham operation group, the model group and the electroacupuncture group according to the random number table method, with eight cases in each group.The model was made by Zivin method in the model group and the electroacupuncture group, the abdominal cavity was opened after intravenous anesthesia at ear margin, the abdominal aorta was exposed and temporarily clamped, and the rabbit model of spinal cord ischemia-reperfusion injury was established after ischemia for thirty minutes.The model preparation and experimental animal treatment of the sham operation group were the same as those of the model group, however, the dissection was fully exposed without clamping the abdominal aorta.At thirty minutes before the induction of rabbit spinal cord ischemia-reperfusion model, SDZ-II electroacupuncture instrument was used to acupuncture bilateral"Xuanzhong"and"Yanglingquan"acupoints in the electroacupuncture group, intervention for thirty minutes.All rabbits were killed after intervention for twelve hours, and the L2-5 segments of spinal cord tissue were captured.HE staining method was used to observe the pathological changes of spinal cord tissues in the three groups; Immunohistochemical method was used to observe the localization and content changes of IL-1β, IL-6 and TNF-α; Enzyme-linked immunosorbent assay(ELISA)was used to detect the contents of IL-1β, IL-6, TNF-α and IL-1Rα in serum before modeling and 4, 8, 12 hours after ischemia-reperfusion.Results:①HE staining results: compared with the sham operation group, the number of neurons in spinal cord tissue in the model group decreased, the color of nucleus and cytoplasm of cells became lighter, and the boundary of nuclear membrane was not clear.In severe cases, the nucleus dissolved or even nucleolus disappeared, there were transparent areas around cells, and axons showed different degrees of degeneration such as enlargement, swelling and disappearance; compared with the model group, the number of neurons in the electroacupuncture group increased, the structure of most neurons was clear, the atrophy degree of nucleolus and nucleus was light, only a small amount of cells became deformed and necrosis, the damage degree of cells were lighter, and the density of surviving neurons increased.②Immunohistochemistry results: compared with the sham operation group, the expressions of IL-1β, IL-6 and TNF-α of spinal cord tissue in the model group were significantly increased(<italic>P</italic>&lt;0.05);compared with the model group, the contents of IL-1β, IL-6 and TNF-α in the spinal cord of rabbits in the electroacupuncture group were significantly decreased(<italic>P</italic>&lt;0.05).③ELISA results: Before modeling, there was no significant difference in the three groups(<italic>P</italic>&gt;0.05);compared with before modeling, the expressions of IL-1β, IL-6, TNF-α, IL-1Rα in serum of the three groups increased in different degrees at 4, 8 and 12 h after ischemia-reperfusion, with significantly significance(<italic>P</italic>&lt;0.05);compared with the sham operation group at the same time, the expressions of IL-1β, IL-6, TNF-α and IL-1Rα in the model group increased significantly at 4, 8 and 12 h after reperfusion(<italic>P</italic>&lt;0.05);compared with the model group at the same time, the expression of IL-1β and TNF-α in the electroacupuncture group decreased significantly at 4, 8, 12 h after reperfusion(<italic>P</italic>&lt;0.05).Conclusion:Electroacupuncture pretreatment can effectively alleviate the pathological injury of spinal cord and has a good protective effect on spinal cord ischemia-reperfusion injury, which may be related to inhibit the expression of IL-1β, IL-6 and TNF-α and promote the expression of IL-1Rα.…”
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Genotypic difference in response to copper stress in upland cotton as revealed by physiological and molecular expression analyses by Jianfei Wu, Tao Wang, Yin Huang, Shuiping Xiao, Xiaoxia Luo, Yanfeng Deng, Xiu Yang, Qingquan Kong, Feiyu Tang

“…Compared to A1415, A2304 exhibited significantly higher antioxidant enzyme activities and non-enzymatic antioxidant levels, producing fewer amounts of reactive oxygen species and a lower level of malonyldialdehyde. …”
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Regulatory Role of rno-miR-30b-5p in IL-10 and Toll-like Receptor 4 Expressions of T Lymphocytes in Experimental Autoimmune Uveitis In Vitro by Yuanyuan Sun, Dadong Guo, Bin Liu, Xuewei Yin, Huixia Wei, Kai Tang, Hongsheng Bi

“…IL-10 and TLR4 in spleen and lymph nodes were further separately determined by using Q-PCR and Enzyme-Linked Immunosorbent Assay (ELISA). Moreover, rno-miR-30b-5p mimic and its inhibitor were separately transfected into purified T cells, and the levels of IL-10 and TLR4 were detected using PCR, flow cytometry, and ELISA techniques. …”
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Monitoring M-Protein, Therapeutic Antibodies, and Polyclonal Antibodies in a Multiparametric Mass Spectrometry Assay Provides Insight into Therapy Response Kinetics in Patients wit... by Charissa Wijnands, Peter G. A. Karel, Jolein Gloerich, Gad Armony, Anastasia Tzasta, Corrie M. de Kat Angelino, Luciano Di Stefano, Vincent Bonifay, Theo M. Luider, Martijn M. VanDuijn, Sandra J. Croockewit, Elizabeth A. de Kort, Daan A. R. Castelijn, Claudia A. M. Stege, Hans J. C. T. Wessels, Alain J. van Gool, Niels W. C. J. van de Donk, Joannes F. M. Jacobs

“…M-protein sequences were obtained with a multi-enzyme de novo protein sequencing approach. Unique peptides for M-proteins and t-Abs were selected based on linearity, sensitivity, and slope coefficient in serial dilutions. …”
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Role of BDNF-TrkB signaling in the improvement of motor function and neuroplasticity after ischemic stroke in rats by transcranial direct current stimulation by Yu Chen, Lin Mao, Qinxiang Zhou, Dingqun Bai, Yuhan Kong

“…Moreover, BDNF was analyzed in plasma using the enzyme-linked immunosorbent assay (ELISA) to investigate the tDCS effect on human BDNF expression levels. …”
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Global biogeography of N₂-fixing microbes: <i>nifH</i> amplicon database and analytics workflow by M. Morando, J. D. Magasin, S. Cheung, S. Cheung, M. M. Mills, J. P. Zehr, K. A. Turk-Kubo

“…One widely used approach for understanding diazotroph diversity and biogeography is polymerase chain reaction (PCR) amplification of a portion of the <i>nifH</i> gene, which encodes a structural component of the <span class="inline-formula">N₂</span>-fixing enzyme complex, nitrogenase. An array of bioinformatic tools exists to process <i>nifH</i> amplicon data; however, the lack of standardized practices has hindered cross-study comparisons. …”
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Gut-derived lactic acid enhances tryptophan to 5-hydroxytryptamine in regulation of anxiety via Akkermansia muciniphila by Miaomiao Pan, Chenglang Qian, Shaoye Huo, Yuchen Wu, Xinyi Zhao, Yueming Ying, Boyu Wang, Hao Yang, Anaguli Yeerken, Tongyao Wang, Mengwei Fu, Lihong Wang, Yuhuan Wei, Yunhua Zhao, Chunhai Shao, Huijing Wang, Chao Zhao

“…Co-supplementation with lactate and Akkermansia muciniphila (A. muciniphila) modulated tryptophan metabolism by increasing key enzyme TPH1 and reducing IDO1, thus shifting metabolism from kynurenine (Kyn) to 5-HT. …”
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Monitoring the Spread of Multidrug-Resistant <i>Escherichia coli</i> Throughout the Broiler Production Cycle by Victor Dellevedove Cruz, Danilo Henrique Rabaçal Alves, Jamile Kellen de Souza, Maísa Fabiana Menck-Costa, Bruno Henrique Dias de Oliva, Ana Angelita Sampaio Baptista, Alexandre Oba, Fabrizio Matté, Kácio Emílio Borges Baierle, Sérgio Paulo Dejato da Rocha, Kelly Cristina Tagliari de Brito, Benito Guimarães de Brito, Gerson Nakazato, Marcio Costa, Renata Katsuko Takayama Kobayashi

“…These were evaluated by testing their susceptibility to antimicrobials of animal and human interest; detecting whether the samples were extended-spectrum β-lactamase enzyme (ESBL) producers; and when positive, selected for genotypic tests to identify resistant genes (CTX-M, TEM, and SHV) and virulence. …”
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Aerobic exercise alleviates statin-induced PCSK9 upregulation by increasing epoxyeicosatrienoic acid levels through the FoxO3a–Sirt6 axis by Jiahui Hu, Hao Lei, Jingyuan Chen, Leiling Liu, Yajun Gui, Kaijun Sun, Danyan Xu

“…Mechanistically, our findings revealed that aerobic exercise induced elevated epoxyeicosatrienoic acids (EETs) plasma levels while concurrently reducing the activity of soluble epoxide hydrolase (sEH) (all p < 0.05), an enzyme responsible for EETs degradation. Further, EETs significantly suppressed PCSK9 expression, subsequently reducing the LDL-C levels (all p < 0.05); this effect was mediated via the activation of the forkhead box O3a–silent mating type information regulation 2 homolog 6 (FoxO3a–Sirt6) axis, with no impact on the sterol regulatory element binding protein 2 and 3-hydroxy-3-methylglutaryl-CoA reductase (SREBP2-HMGCR) pathway. …”
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液体脂肪酶催化制备甘油二酯油连续化工艺研究 Continuous preparation process of diacylglycerol oil catalyzed by liquid lipase by 王建芳1，李昕2，张蕊1 WANG Jianfang1，LI Xin2，ZHANG Rui1

“…In order to enhance the glycerolysis reaction of soybean oil catalyzed by enzyme, and provide technical support for the industrial production of diacylglycerol oil, diacylglycerol oil was prepared by microchannel reactor using soybean oil and glycerol as raw materials and liquid lipase as catalyst. …”
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Effect of different dietary oil sources on the performance, egg quality and antioxidant capacity during the late laying period by Mengmeng Xu, Le Liu, Zongze Fan, Lizhu Niu, Wenxi Ning, He Cheng, Mengyun Li, Wenying Huo, Pan Zhou, Hongyu Deng, Wen Chen, Long Che

“…Compared to the T4 group, the addition of linseed oil to the diet significantly reduced the blood malondialdehyde content and increased the blood glutathione peroxidase (GSH-PX) and superoxide dismutase enzyme activity. The GSH-PX activity and total antioxidant capacity in the oviducts of the T3 group were significantly higher than those of the T4 group (P < 0.05). …”
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Effects of flame retardant tributyl phosphate on early development of zebrafish by Yao LI, Jingying ZHU, Yao LI, Limei CHEN, Pengfei ZHU, Xinliang DING, Weijie ZHOU

“…The whole-body triiodothyronine (T3) and tetraiodothyronine (T4) levels of juvenile fish were measured by enzyme immunoassay at the end of the infection, and the expression levels of hypothalamic-pituitary-thyroid axis (HPT) and neurodevelopmental-related genes were detected by quantitative real-time PCR (q-PCR). …”
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Effect of soil-groundwater system on migration and transformation of organochlorine pesticides: A review by Haohao Li, Lin Huo, Rui Zhang, Xuefan Gu, Gang Chen, Ying Yuan, Wenbing Tan, Kunlong Hui, Yu Jiang

“…This paper focuses on two major sources of OCPs in soil and groundwater environments, compiles and summarizes the effects of environmental factors such as pH, microbial communities and enzyme activities on the transport and transformation of OCPs in soil and groundwater systems, discusses the synergistic effects of individual environmental factors and others, and comprehensively analyses the effects of synergistic effects of various environmental factors on the transport and transformation of OCPs. …”
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Production of Arthrospira platensis algae to increase production efficiency and enhance immune system of grass carp, Ctenopharyngodon idella against Aeromonas hydrophila by Hossein Adineh

“…At the end of the test period, growth and nutritional performance, digestive enzyme activities, blood serum antibacterial activity against Aeromonas hydrophila bacteria, immune and antioxidant factors, and blood indices were measured. …”
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Gegen Qinlian Decoction Attenuates Colitis-Associated Colorectal Cancer via Suppressing TLR4 Signaling Pathway Based on Network Pharmacology and In Vivo/In Vitro Experimental Valid... by Yaoyao Xu, Qiaoyan Cai, Chunyu Zhao, Weixiang Zhang, Xinting Xu, Haowei Lin, Yuxing Lin, Daxin Chen, Shan Lin, Peizhi Jia, Meiling Wang, Ling Zhang, Wei Lin

“…The protein levels of TLR4 signaling pathway were assessed by western blotting analysis. Enzyme-linked immunosorbent assay measured IL-1β, IL-6, and TNF-α levels. …”
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Optimization and characterization studies of poultry waste valorization for peptone production using a newly Egyptian Bacillus subtilis strain by Hajar Saeed, Anthony Ragaey, Ziad Samy, Viola Ashraf, Aly ElMostafa, Norhan Ahmad, Enjy Bebawy, Nour ElHoda M. Sorour, Salwa M. El-Sayed, Ashraf Bakry, Naglaa Ebeed, Hesham Elhariry, Thanaa El-Noby, Samah H. Abu-Hussien

“…The Michaelis–Menten and Lineweaver–Burk plots determined a Km of 0.5 mg/mL and Vmax of 174.08 U/mL suggesting cooperative substrate binding and providing insights into the enzyme’s maximum rate and affinity. The produced peptone exhibited minimal cytotoxicity at lower concentrations (≤ 1 mg/mL), with cell viability exceeding 94% against normal human skin fibroblast (HSF) cells. …”
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