Publications by authors named "Ling-xia Pang"

Obesity has become a worldwide epidemic, and obesity-related problems are becoming more severe in public health. Increasing brown adipose tissue (BAT) mass or/and activity in mice and humans has been demonstrated to help lose weight and improve whole-body metabolism. Studies on the conversion of white adipose tissue (WAT) to BAT under certain conditions have provided new possibilities for treating obesity and the related disorders.

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As an effective way to improve energy expenditure, increasing the mass and activity of brown adipose tissue (BAT) has become a promising treatment for obesity and its associated disorders. Many efforts have been made to promote brown adipogenesis and increase the thermogenic capacity of brown adipose cells (BACs). The present culture schemes for human BAC differentiation are mostly derived from white adipocyte differentiation schemes.

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The novel obesity-associated protein Phosphotyrosine Interaction Domain containing 1 (PID1) inhibits insulin-PI3K/Akt signaling pathway and insulin-stimulated glucose uptake in vitro. In this study, we generated fat tissue-specific aP2-PID1 transgenic (aP2-PID1) mice and PID1 knockout (PID1) mice to explore how PID1 affects glucose metabolism in vivo. We observed insulin resistance and impaired insulin-PI3K/Akt signaling in aP2-PID1 mice.

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Brown adipose tissue (BAT) functions to dissipate energy in response to cold exposure or overfeeding. Counteracting obesity has been extensively considered as a promising target. Long noncoding RNAs (lncRNAs) are an important class of pervasive genes involved in a variety of biological functions.

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MicroRNAs (miRNAs) are small non-coding RNAs involved in the regulation of gene expression. MiR-1908 is a recently identified miRNA that is highly expressed in human adipocytes. However, it is not known what role of miR-1908 is involved in the regulation of human adipocytes.

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Visceral obesity is an independent risk factor for metabolic syndrome, and abnormal fat accumulation is linked to increases in the number and size of adipocytes. MiR-146b was a miRNA highly expressed in mature adipocytes while very lowly expressed in human mesenchymal stem cells (hMSCs) and human visceral preadipocytes (vHPA). In this paper, we mainly focused on the roles of miR-146b in adipogenesis.

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Objective: To observe the change of apelin and its receptor (APJ) in the lung tissue of rats with pulmonary hypertension induced by monocrotaline and to explore its significance.

Methods: Twenty-five male SD rats were randomly divided into control group (n = 10) and monocrotaline group (n = 15). On the twenty-first day after the rats were intraperitoneally injected 60 mg/kg monocrotaline for monocrotaline group or equal volume vehicle for control group, the mean pulmonary artery pressure was measured by right heart catheterization.

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Objective: To observe the effect of electroacupuncture (EA) of local plus distal acupoints on spinal substance P expression in chronic radicular pain (CRP) rats so as to investigate its underlying mechanism in the treatment of chronic radical pain.

Methods: Twenty-five Wistar rats were randomized into control, model, local acupoints [LA, bilateral "Jiaji" (EX-B 2)], distal acupoints [DA, bilateral "Yanglingquan" (GB 34)], and LA+ DA groups, with 5 cases in each. CRP model was duplicated by implanting a gel-silicon wrapping the nerve root of L4 under anesthesia.

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