Publications by authors named "NingXu Li"

Article Synopsis
  • Chronic kidney disease (CKD) is a serious health condition where the kidneys get damaged over time, and it's linked to a lack of zinc in the body.
  • Researchers are studying how low zinc levels can cause kidney problems by looking at how certain pathways in the body are affected and how they lead to kidney damage.
  • Their experiments on rats show that a zinc-deficient diet can worsen kidney function and lead to higher levels of substances in urine and blood that indicate kidney stress.
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Objectives: The systemic immune-inflammation index (SII), a novel and systematic inflammatory biomarker that is associated with chronic kidney disease (CKD), has not received much attention. This study aimed to investigate the relationship between SII and CKD in the United States (U.S.

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The characteristics of the tumour cells, as well as how tumour cells interact with their surroundings, affect the prognosis of cancer patients. The resident cells in the tumour microenvironment are mast cells (MCs), which are known for their functions in allergic responses, but their functions in the cancer milieu have been hotly contested. Several studies have revealed a link between MCs and the development of tumours.

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Article Synopsis
  • The electrocatalytic reduction of oxygen to produce hydrogen peroxide often struggles with low catalyst activity and poor selectivity due to inadequate strategies.
  • This study presents a new bimetallic catalyst, specifically Cu-Pb, designed to improve performance through synergistic effects for the two-electron oxygen reduction reaction (2e ORR).
  • In-depth analyses, including DFT calculations and various electrochemical tests, provide strong evidence supporting the enhanced catalytic performance of the Cu-Pb catalyst for the 2e ORR.
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Aims: To investigate the roles of salt inducible kinase (SIK1) in high glucose-induced triglyceride accumulation in human hepatoma HepG2 cells as well as in the molecular mechanism by which metformin, a drug to treat diabetes, suppresses high glucose-induced lipogenesis.

Main Methods: A cell model for high glucose-induced hepatic steatosis was prepared by exposing HepG2 cells to high glucose (25mmol) in the absence or presence of metformin (0.5mmol).

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We aimed at exploring the effect of calycosin (CA) on osteoporosis in ovariectomized (OVX) rats. Sprague-Dawley (SD) rats were divided into five groups: Sham group, OVX group, OVX group treated with estradiol valerate (EV), CAL group treated with 15 mg/kg/d of CA and CAH group treated with 30 mg/kg/d of CA for 12 weeks. Bone mineral density (BMD), histopathology, body weight, parameters in serum and urine were observed.

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Forkhead box O1 (FOXO1) plays an important role in glucose metabolism at the gene transcription level. Increased FOXO1 activity results in hyperglycemia by promoting the expression of gluconeogenic enzymes such as phosphoenolpyruvate carboxykinase (PEPCK) and glucose-6-phosphatase (G6Pase), and inhibiting glucokinase (GK). This study evaluates the effect of Zhenqing Recipe (ZQR), a Chinese herbal medicine, on hyperglycemia and its molecular mechanisms.

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Ethnopharmacological Relevance: Zhenqing Recipe (ZQR), a Chinese herbal prescription, is used to improve renal function of patients with diabetic nephropathy. In current research, the therapeutic effects of ZQR on type 2 diabetic nephropathy and the underlying molecular mechanisms were explored.

Materials And Methods: Animal model with diabetic nephropathy was developed by high fat/sucrose diet feeding plus streptozotocin injection for 4 weeks.

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Increasing evidence suggests that a restricted caloric intake extends the life span of mammals, and SIRT1 may play a key role in this process. To study the effects of caloric restriction on SIRT1 expression and apoptosis of islet beta cells in type 2 diabetic rats, we first induced a model of type 2 diabetes in rats with a low-dose of streptozotocin. Then, the rats were fed with a normal diet, high-fat diet or 60% caloric restriction, respectively.

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Unlabelled: Short-term administration of losartan reduced the aortic surface lesion area and mean intimal thickness. The mechanisms for reducing atherosclerotic progression by losartan may be related to decreased macrophage proliferation and accumulation in the arterial wall, decreased activation of nuclear factor-kappa B and expression of its target gene ICAM-I.

Objective: Recent studies suggest that angiotensin II (Ang II) may contribute to the vascular inflammatory response and atherosclerosis.

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Objective: To investigate the molecular mechanisms of calorie restriction (CR) in treatment of nonalcoholic fatty liver disease (NAFLD).

Methods: 25 male Wistar rats were randomly divided into 2 groups: normal control group (NC, n = 7) fed with regular diet and high fat diet-NAFLD model group (HFM, n = 18) fed with high-fat diet. Two months later, the rats in Group HFM were further divided into 2 subgroups: continuous high-fat feeding group (HF, n = 9) and normal diet feeding with 60% calorie restriction group (CR, n = 9).

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Objective: SIRT1 is an NAD(+)-dependent deacetylase and its enzymatic activity may be regulated by cellular energy. SIRT1 overexpression reduces the level of oxygen consumption, which is correlative with nonalcoholic fatty liver disease (NAFLD). To elucidate the role of SIRT1 on the development of NAFLD, we investigated the expression of SIRT1 in NAFLD induced by high-fat diet in rats and the effects of calorie restriction.

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