Publications by authors named "Fei Dan"

An improved QuEChERS method combined with Multi-Plug Filtration Cleanup (m-PFC) clean-up procedure was developed for the simultaneous determination of 16 different sulfonamides in forage grasses using ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). The forage grass sample was extracted with 0.1 mol L NaEDTA-Mcllvaine buffer and acetonitrile solution, purified by the Navo U-QuE column tube, separated by Agilent ZORBAX Eclipse Plus C column, and analyzed by MRM (multiple reaction monitoring) mode and the internal standard method was utilized for quantification.

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The objective of this study was to investigate the regulatory effects of a high-fiber content feed on the productive performance, meat quality, and fat acid composition. A total of 18 120-day-old Yushan pigs with similar initial body weight were randomly allotted into high-concentrate diet (high energy, HE) and high-fiber diet (low energy, LE) treatments for the determination of regulatory effects on productive performance, meat quality, and fatty acid content. Further, blood metabolomic, gut microbiota, and liver energy-related gene expression measurements were used to investigate the underlying mechanisms.

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Background: Long-term heat stress (HS) severely restricts the growth performance of beef cattle and causes various health problems. The gut microbiota plays a crucial role in HS-associated inflammation and immune stress involving lymphocyte function. This study investigated the effects of dietary tea polysaccharide (TPS), a natural acidic glycoprotein, on HS-induced anorexia, inflammation, and gut microbiota dysbiosis in Simmental beef cattle.

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Article Synopsis
  • - The rapid adsorption of biosurfactants, like surfactin, onto oil-water interfaces is crucial for effective emulsification, outperforming traditional chemically synthesized surfactants in reducing interfacial tension quickly.
  • - In a study comparing surfactin (C-SFT) to sodium cetyl benzene sulfonate (8-SCBS), surfactin demonstrated superior stability in micro-droplet emulsions of hexadecane, significantly reducing coalescence and extending coalescence time at lower concentrations and short aging times.
  • - Results showed that micro-droplets stabilized with surfactin remained intact and less prone to coalescence even after 600 ms, whereas those with 8-SCBS frequently combined into larger droplets
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The label with a large Stokes shift and strong fluorescence properties could improve the sensitivity of the lateral flow immunoassay (LFIA). Herein, two aggregation-induced emission (AIE) luminogens with spectral overlap were encapsulated in polymers by using the microemulsion method as a label, and the construction of a fluorescence resonance energy transfer mode was further verified via theoretical calculation and spectral analysis. Satisfactorily, the doped AIE polymer microspheres (DAIEPMs) exhibited a large Stokes shift of 285 nm and a 10.

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Osteosarcoma is prevalent in children and adolescent. The oncogenic function of long-chain noncoding RNA (lncRNA) FGD5 antisense RNA 1 (FGD5-AS1) has been reported. However, the function of FGD5-AS1 in doxorubicin-resistance in osteosarcoma remains to be illucidated.

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Following the publication of this paper, the authors alerted the Editorial Office to the fact that a reader had informed them that miR‑152 overexpression did not affect cell apoptosis and cell cycle. The authors subsequently confirmed that they were unable to obtain consistent results from these experiments.Furthermore, an independent investigation of this paper revealed that the cell apoptotic data shown in Fig.

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  • The study aimed to explore how hemoglobin levels relate to the progression of IgA nephropathy (IgAN) using a cohort of 1,828 patients with confirmed cases.
  • Researchers found that lower hemoglobin levels were linked to a higher risk of both all-cause mortality and kidney failure over about 7 years of follow-up.
  • Anemia significantly increased the risk for adverse outcomes in both men and women compared to those with normal hemoglobin levels, suggesting a crucial association between hemoglobin and IgAN progression.
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Long non-coding RNA (lncRNA) actin filament-associated protein 1 antisense RNA 1 (AFAP1-AS1) has been reported to be involved in the progression of multiple cancers. However, exact function and regulatory mechanism of AFAP1-AS1 in osteosarcoma (OS) remain largely unclear. In this study, quantitative real time polymerase chain reaction (qRT-PCR) revealed that AFAP1-AS1 was upregulated in OS tissues and cell lines.

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Small nucleolar RNA host gene 3 (SNHG3) is a long noncoding RNA (lncRNA), which is known to promote oncogenesis in many cancers but its role in human papillary thyroid carcinoma (PTC) remains poorly understood. We therefore assessed SNHG3 expression in PTC tissues via quantitative reverse transcription polymerase chain reaction. We additionally knocked down SNHG3 in PTC cells using short-hairpin RNAs (shRNAs) to explore its functional roles in PTC.

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The long intergenic non-protein coding RNA regulator of reprogramming (lncRNA-ROR) has been reported to play crucial regulatory roles in the pathogenesis and progression of multiple cancers. However, whether ROR is associated with the initiation and development of osteosarcoma (OS) remains unclear. Here, we found that ROR expression level was significantly up-regulated in OS tissue samples compared to adjacent normal tissues, and the elevated ROR was closely correlated with advanced tumour-node-metastasis (TNM) stage and lymph node metastasis and poor overall survival rate.

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Background/aims: Novel long non-coding RNA Fer-1-like protein 4 (FER1L4) has been reported to play crucial regulatory roles in tumor progression. However, its clinical significance and biological role in osteosarcoma (OS) is completely unknown. The aim of the present study was to investigate the role of FER1L4 in OS progression and the underlying mechanism.

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Article Synopsis
  • The study investigates the relationship between serum uric acid (SUA) levels and the progression of Immunoglobulin A nephropathy (IgAN) in a group of 1,965 patients.
  • Elevated SUA levels were found to significantly increase the risk of all-cause mortality and kidney failure over a median follow-up of 7 years, with those in the highest quartile having more than double the risk compared to the lowest quartile.
  • Additional factors like mean arterial pressure and specific kidney cell characteristics were noted to influence this association, suggesting that certain patient subgroups may be more vulnerable to the effects of high SUA.
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miR‑152 has been reported to be downregulated in rheumatoid arthritis (RA). However, the functional significance and molecular mechanisms underlying the role of miR‑152 in RA remain largely unknown. The present study aimed to explore the functional role and the underlying mechanisms of miR‑152 in RA.

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Cherry tomato (Lycopersicon esculentum M.) is considered a healthy fruit worldwide due to its wide range of nutrients. Flavonol, one of the major nutrients in cherry tomato, has antioxidant and cell-modulating properties.

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Rheumatoid arthritis-fibroblast-like synoviocytes (RA-FLS) with aberrant expression of microRNA (miRNA) have been reported to be involved in the initiation, progression, and perpetuation of rheumatoid arthritis (RA). In this study, we explored the biological function and underlying mechanism of microRNA-29a (miR-29a) in cultured RA-FLS from RA patients. The expression of miR-29a in serum, synovial tissues, and FLS from RA patients and health donors was detected by real-time quantitative RT-PCR (qRT-PCR).

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Solanum nigrum fruits have been conventionally used in beverages due to their nutritional substances such as minerals, vitamins, amino acids, proteins, sugars, polyphenols, and anthocyanins. The characterization of components and regulatory mechanism of anthocyanins in fruits have rarely been reported. In this study, we determined that the peel and flesh of fruits shared similar HPLC profiles but different contents and total antioxidant activities for anthocyanins.

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microRNA-338-3p (miR-338-3p) has been implicated in tumor development and progression in many types of cancers. However, the function and mechanism underlying the action of miR-383-3p in thyroid cancer remain unclear and were therefore investigated in this study by and experiments. We found that miR-338-3p was downregulated in thyroid cancer tissues and cell lines.

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MicroRNA-187 (miR-187) has been reported to be involved in the occurrence and development of several types of cancers; however, a role for miR-187 in osteosarcoma (OS) has not yet been reported. Here, miR-187 was found to be significantly downregulated in OS cell lines and tissue samples, and decreased miR-187 expression was shown to be correlated closely with the TNM stage and lymph node metastasis. miR-187 overexpression suppressed OS cell proliferation, colony formation, migration, invasion, and epithelial-mesenchymal transition (EMT).

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A growing body of evidence suggests that microRNA-138 (miR-138) functions as a tumor suppressor, and is involved in tumor initiation, development and metastasis in certain types of human cancers. However, the function and underlying molecular mechanism of miR-138 in cervical cancer remains unclear. Therefore, the purpose of the present study was to investigate the clinical significance of miR-138 expression in cervical cancer, and to evaluate its role and underlying mechanisms in cervical cancer.

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Two Keggin-type polyoxometalates (POMs) containing glycine, (HGly) PW O and (HGly) SiW O , were synthesized and evaluated as mushroom tyrosinase inhibitors. The spectrophotometric method results showed that both (HGly) PW O and (HGly) SiW O could strongly inhibit the diphenolase activity of the tyrosinase and that their inhibition mechanisms were reversible. Their half-inhibition concentration values were estimated to be 1.

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Accumulating evidence suggested that microRNA-154 (miR-154) might play important roles in the development of various cancer types. However, the role of miR-154 in breast cancer progression remains largely unknown. Here, miR-154 expression level was measured via quantitative real-time RT-PCR (qRT-PCR) in 36 pairs of human breast cancer tissues and adjacent normal breast tissues and in a panel of human breast cancer cell lines.

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To explore how the sentence contexts affect self-positivity bias, we presented the participants with negation and affirmation sentences. Each sentence was ended with an adjective word describing human being's personality. The participants were asked to judge whether the sentences correctly described their own personalities.

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