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Low-temperature caproate production, microbial diversity, and metabolic pathway in xylose anaerobic fermentation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1637-9

Abstract:

● Converting xylose to caproate under a low temperature of 20 °C by MCF was verified.

Keywords: Xylose fermentation     Caproate     Low temperature     Bifidobacterium     FAB pathway     RBO pathway    

denitrification system with short-term pyridine exposure: Process capability, inhibition kinetics and metabolic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1433-3

Abstract:

• Short-term effect of the pyridine exposure on the SAD process was investigated.

Keywords: Anammox     Inhibition     Metabolic pathway     Microbial community     Pyridine     SAD    

biodegradation with four kinds of electron acceptors enriched from the same mixed inoculum and exploration of metabolic

Zuotao Zhang, Chongyang Wang, Jianzhong He, Hui Wang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1164-x

Abstract: Anaerobic phenanthrene biodegradation enriched process was described in detail. The enriched bacterial communities were characterized under four redox conditions. The enriched archaeal communities were stated under high percentage conditions. Relatively intact pathways of anaerobic phenanthrene biodegradation were proposed. Polycyclic aromatic hydrocarbons (PAHs) are widespread and persistent contaminants worldwide, especially in environments devoid of molecular oxygen. For lack of molecular oxygen, researchers enhanced anaerobic zones PAHs biodegradation by adding sulfate, bicarbonate, nitrate, and iron. However, microbial community reports of them were limited, and information of metabolites was poor except two-ring PAH, naphthalene. Here, we reported on four phenanthrene-degrading enrichment cultures with sulfate, bicarbonate, nitrate, and iron as electron acceptors from the same initial inoculum. The high-to-low order of the anaerobic phenanthrene biodegradation rate was the nitrate-reducing conditions>sulfate-reducing conditions>methanogenic conditions>iron-reducing conditions. The dominant bacteria populations were Desulfobacteraceae, Anaerolinaceae, and Thermodesulfobiaceae under sulfate-reducing conditions; Moraxellaceae, Clostridiaceae, and Comamonadaceae under methanogenic conditions; Rhodobacteraceae, Planococcaceae, and Xanthomonadaceae under nitrate-reducing conditions; and Geobacteraceae, Carnobacteriaceae, and Anaerolinaceae under iron-reducing conditions, respectively. Principal component analysis (PCA) indicated that bacteria populations of longtime enriched cultures with four electron acceptors all obtained significant changes from original inoculum, and bacterial communities were similar under nitrate-reducing and iron-reducing conditions. Archaea accounted for a high percentage under iron-reducing and methanogenic conditions, and Methanosarcinaceae and Methanobacteriaceae, as well as Methanobacteriaceae, were the dominant archaea populations under iron-reducing and methanogenic conditions. The key steps of phenanthrene biodegradation under four reducing conditions were carboxylation, further ring system reduction, and ring cleavage.

Keywords: Phenanthrene     Anaerobic biodegradation     Bacterial populations     Archaea populations     Metabolic pathway    

Metabolomics in human type 2 diabetes research

Jingyi Lu, Guoxiang Xie, Weiping Jia, Wei Jia

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 4-13 doi: 10.1007/s11684-013-0248-4

Abstract: There is still a lack of reliable biomarkers indicative of metabolic alterations associated with diabetes

Keywords: metabolomics     type 2 diabetes     metabolic pathway     mass spectrometry     nuclear magnetic resonance (NMR)    

New insights into different surfactants’ impacts on sludge fermentation: Focusing on the particular metabolic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1527-6

Abstract:

• The promoting effects for VFA generation follow the order of APG>SDBS>HTAB.

Keywords: Waste activated sludge (WAS)     Volatile fatty acids (VFA)     Surfactant types     Functional microorganisms     Metabolic    

Metabolic hypertension: concept and practice

Zhiming Zhu, Peijian Wang, Shuangtao Ma

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 201-206 doi: 10.1007/s11684-013-0264-4

Abstract: More than 60% of the risk factors for hypertension are associated with metabolic disturbances.Metabolic abnormalities increase the risk for hypertension and cause high blood pressure.Improving metabolic disturbances is beneficial for hypertension treatment.Due to the importance of metabolic abnormalities in the pathogenesis of hypertension, we propose a conceptof metabolic hypertension.

Keywords: hypertension     cardiometabolic risk factors     metabolic abnormalities    

Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

Jianping Ye

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 139-145 doi: 10.1007/s11684-015-0377-z

Abstract:

In obesity, chronic inflammation is believed to induce insulin resistance and impairs adipose tissue function. Although this view is supported by a large body of literature, it has been challenged by growing evidence that pro-inflammatory cytokines may favor insulin sensitivity through induction of energy expenditure. In this review article, interleukin 15 (IL-15) is used as a new example to explain the beneficial effects of the pro-inflammatory cytokines. IL-15 is secreted by multiple types of cells including macrophages, neutrophils and skeletal muscle cells. IL-15 expression is induced in immune cells by endotoxin and in muscle cells by physical exercise. Its transcription is induced by transcription factor NF-κB. IL-15 binds to its receptor that contains three different subunits (α, β and γ) to activate JAK/STAT, PI3K/Akt, IKK/NF-κB and JNK/AP1 pathways in cells. In the regulation of metabolism, IL-15 reduces weight gain without inhibiting food intake in rodents. IL-15 suppresses lipogenesis, stimulates brown fat function, improves insulin sensitivity through weight loss and energy expenditure. In human, circulating IL-15 is negatively associated with body weight. In the immune system, IL-15 stimulates proliferation and differentiation of T cells, NK cells, monocytes and neutrophils. In the anti-obesity effects of IL-15, T cells and NK cells are not required, but leptin receptor is required. In summary, evidence from human and rodents supports that the pro-inflammatory cytokine IL-15 may enhance energy expenditure to protect the body from obesity and type 2 diabetes. The mechanism of IL-15 action remains to be fully uncovered in the regulation of energy expenditure.

Keywords: inflammation     obesity     cytokine     energy expenditure     insulin resistance    

electron transfer and its application in dictating routes of biochemical processes associated with metabolic

Frontiers of Medicine 2021, Volume 15, Issue 5,   Pages 679-692 doi: 10.1007/s11684-021-0866-1

Abstract: Metabolic reprogramming, such as abnormal utilization of glucose, addiction to glutamine, and increasedelectron transfer (PET), which is used to characterize the degree of electron redistribution coupled with metabolicEnabling electron transfer could drive metabolic reprogramming in cancer metabolism.

Keywords: metabolic reprogramming     potential of electron transfer     cell proliferation     aerobic glycolysis     cancer    

Fibroblast growth factor 21: a novel metabolic regulator from pharmacology to physiology

Huating Li, Jing Zhang, Weiping Jia

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 25-30 doi: 10.1007/s11684-013-0244-8

Abstract: relevance of FGF21 in humans is still unclear, and the basis and consequences of increased FGF21 in metabolicpharmacological actions and physiological roles make FGF21 attractive drug candidates for treating metabolic

Keywords: FGF21     metabolism     pharmacology     physiology     clinical relevance    

FERM domain-containing protein FRMD6 activates the mTOR signaling pathway and promotes lung cancer progression

Frontiers of Medicine 2023, Volume 17, Issue 4,   Pages 714-728 doi: 10.1007/s11684-022-0959-5

Abstract: FRMD6 interacts and colocalizes with mTOR and S6K, which are the key molecules of the mTOR signaling pathwayFurthermore, knocking out FRMD6 inhibits the activation of the mTOR signaling pathway in Frmd6our results show that FRMD6 contributes to lung cancer progression by activating the mTOR signaling pathway

Keywords: FRMD6     lung cancer     mTOR pathway    

Exploring the methodology and application of clinical pathway in evidence-based Chinese medicine

Sicheng Wang, He Yu, Jianping Liu, Baoyan Liu

Frontiers of Medicine 2011, Volume 5, Issue 2,   Pages 157-162 doi: 10.1007/s11684-011-0128-8

Abstract: At present, clinical pathway has become one of the most important health care reform measures in manyIn this study, the authors introduced basic concepts and explored the application of the clinical pathwaySuch concepts provide examples and experiences, on which the application of clinical pathway in Chinese

Keywords: evidence-based medicine     clinical pathway     methodology     concept     technical difficulty    

Metformin and metabolic diseases: a focus on hepatic aspects

Juan Zheng,Shih-Lung Woo,Xiang Hu,Rachel Botchlett,Lulu Chen,Yuqing Huo,Chaodong Wu

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 173-186 doi: 10.1007/s11684-015-0384-0

Abstract: Metformin also inhibits glycogenolysis, which is a pathway that critically contributes to elevated HGP

Keywords: metformin     diabetes     hepatic steatosis     inflammatory response     insulin resistance    

Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 403-409 doi: 10.1007/s11684-017-0522-y

Abstract:

Tissue factor pathway inhibitor (TFPI) is the main inhibitor of tissue factor-mediated coagulation

Keywords: arterial thrombosis     conditional knockout mice     tissue factor pathway inhibitor     vascular smooth muscle    

Water-dispersible nano-pollutions reshape microbial metabolism in type-specific manners: A metabolic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1548-1

Abstract:

• Water-dispersible nano-pollutions exhibit type-specific toxic effects on E. coli.

Keywords: Nano-toxicity     Nano-plastics     Quantum dots     Microbial metabolite     Metabolic dysregulation    

The FGF metabolic axis

Xiaokun Li

Frontiers of Medicine 2019, Volume 13, Issue 5,   Pages 511-530 doi: 10.1007/s11684-019-0711-y

Abstract: Members of the fibroblast growth factor (FGF) family play pleiotropic roles in cellular and metabolicFGF19 metabolic axis from the ileum to liver negatively controls diurnal bile acid biosynthesis.FGF21 metabolic axes play multifaceted roles in controlling the homeostasis of lipid, glucose, and energyFGF23 axes from the bone to kidney and parathyroid regulate metabolic homeostasis of phosphate, calciumThus, the term “FGF Metabolic Axis,” which distinguishes the unique pathways and functions of endocrine

Keywords: FGF19     FGF21     FGF23     FGFR     metabolism     endocrine     Klotho    

Title Author Date Type Operation

Low-temperature caproate production, microbial diversity, and metabolic pathway in xylose anaerobic fermentation

Journal Article

denitrification system with short-term pyridine exposure: Process capability, inhibition kinetics and metabolic

Journal Article

biodegradation with four kinds of electron acceptors enriched from the same mixed inoculum and exploration of metabolic

Zuotao Zhang, Chongyang Wang, Jianzhong He, Hui Wang

Journal Article

Metabolomics in human type 2 diabetes research

Jingyi Lu, Guoxiang Xie, Weiping Jia, Wei Jia

Journal Article

New insights into different surfactants’ impacts on sludge fermentation: Focusing on the particular metabolic

Journal Article

Metabolic hypertension: concept and practice

Zhiming Zhu, Peijian Wang, Shuangtao Ma

Journal Article

Beneficial metabolic activities of inflammatory cytokine interleukin 15 in obesity and type 2 diabetes

Jianping Ye

Journal Article

electron transfer and its application in dictating routes of biochemical processes associated with metabolic

Journal Article

Fibroblast growth factor 21: a novel metabolic regulator from pharmacology to physiology

Huating Li, Jing Zhang, Weiping Jia

Journal Article

FERM domain-containing protein FRMD6 activates the mTOR signaling pathway and promotes lung cancer progression

Journal Article

Exploring the methodology and application of clinical pathway in evidence-based Chinese medicine

Sicheng Wang, He Yu, Jianping Liu, Baoyan Liu

Journal Article

Metformin and metabolic diseases: a focus on hepatic aspects

Juan Zheng,Shih-Lung Woo,Xiang Hu,Rachel Botchlett,Lulu Chen,Yuqing Huo,Chaodong Wu

Journal Article

Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Journal Article

Water-dispersible nano-pollutions reshape microbial metabolism in type-specific manners: A metabolic

Journal Article

The FGF metabolic axis

Xiaokun Li

Journal Article