Publications by authors named "Shi-mei Qi"

Scope: Little is known about the effect of blood vitamin D status on the gut mycobiota (i.e., fungi), a crucial component of the gut microbial ecosystem.

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Article Synopsis
  • Continuous glucose monitoring (CGM) could improve outcomes for pregnant women with gestational diabetes mellitus (GDM), but research on this is still limited.
  • In a study of 1,302 women with GDM, metrics from CGM like time above range (TAR) and mean blood glucose (MBG) were linked to a higher risk of adverse pregnancy outcomes, including preterm birth and NICU admissions.
  • Identifying thresholds for TAR and daily MBG may help recognize those at greater risk for these complications during pregnancy.
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Objective: To examine whether the association of prepregnancy body mass index (BMI) with fetal macrosomia is mediated through maternal circulating lipid concentrations during pregnancy.

Study Design: In this prospective cohort, 3011 eligible pregnant women were enrolled. Information on demographic characteristics were collected using questionnaires, and anthropometrics and laboratory tests were performed at 24 weeks of gestation and before delivery.

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Reduced inflammation is one of the potential mechanisms underlying the cardioprotective efficacy of fish oil enriched with eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Supplementation with fish oil has favorable effects on cardiometabolic profiles in Inner Mongolia patients with hypertension, but whether the cardiovascular benefits can be ascribed to reduced subclinical inflammation is unclear among this population. Seventy-seven middle-aged/elderly hypertensive volunteers were randomly assigned to receive either fish oil (FO, n = 38, 2 g day-1 EPA + DHA) or control corn oil (CO, n = 39) for 90 days.

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Daily supplementation with n-3 fatty acid (FA) has been believed to be an adjunct or alternative to drug treatments to reduce blood pressure (BP) and triglyceride (TG) levels in western patients with high risk of cardiovascular disease. The BP-lowering effect of n-3 FA supplements among Chinese hypertensive patients has been reported in our previous 12-week, double-blind, randomized controlled trial (RCT), but the benefits on cardiometabolic profiles among obese Chinese populations are not well known. We therefore used the data from the previous RCT to investigate the effects of marine- and plant-derived n-3 FA supplements on cardiometabolic profiles in middle-aged and elderly Chinese hypertensive patients with abdominal obesity.

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Whether n-3 fatty acid (FA) has hypotensive actions among Chinese adults remains inconclusive. Hypertensive patients from Inner Mongolia, China ( n = 126) were recruited to a double-blind, randomized controlled trial. We investigated the effects of n-3 FA supplements on blood pressure (BP, mm Hg), plasma concentrations of angiotensin II (Ang II, pg/mL), and nitric oxygen (NO, μmol/L), using fish oil ( n = 41, 4 capsules/day, equivalent to 2 g of eicosapentaenoic acid plus docosahexaenoic acid) and flaxseed oil ( n = 42, 4 capsules/day, equivalent to 2.

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Objective: To investigate the mechanism of chrysin in regulating lipopolysaccharide (LPS)-induced inflammation in RAW264.7 cells.

Methods: RAW264.

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Background: Jiangsu Province, China, is highly developed economically and culturally, and has a high prevalence of lung cancer. We aimed to evaluate the diagnostic procedures, genetic aberration analysis status, and first-line treatment models of lung cancer in Jiangsu Province.

Methods: Lung cancer patients diagnosed in 2016 at 22 tertiary care hospitals were evaluated.

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Objective: To investigate the molecular mechanism by which salidroside protects PC12 cells from HO-induced apoptosis.

Methods: PC12 cells cultured in DMEM supplemented with 10% horse serum and 5% fetal bovine serum were pretreated with different doses of salidroside for 2 h and then stimulated with HO for different lengths of time. The expression levels of PARP and caspase 3 and the phosphorylation of p38, ERK and JNK were determined with Western blotting.

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Objective: To investigate the effect of Nogo-66 receptor (NgR) silencing with specific small interfering RNA (siRNA) on brain injury repair in preterm rats with brain injury caused by intrauterine infection and related mechanism of action.

Methods: The pregnant Sprague-Dawley rats (with a gestational age of 15 days) were selected, and premature delivery was induced by RU486 or lipopolysaccharide (LPS). The preterm rats delivered by those treated with RU486 were selected as the control group.

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Results from prospective cohort studies on fish or long-chain (LC) n-3 polyunsaturated fatty acid (PUFA) intake and elevated blood pressure (EBP) are inconsistent. We aimed to investigate the summary effects. Pertinent studies were identified from PubMed and EMBASE database through October 2015.

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To study the effect of sodium aescinate in inducing human breast cancer MCF-7 cells apoptosis and its possible mechanism. MTT assay was used to detect the inhibitory effect of sodium aescinate on the proliferation of MCF-7 cells. The morphological changes were observed under inverted microscope.

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The diagnostic value of membrane glycolipid biochemistry index, the lipid-bound sialic acid (LSA) and total sialic acid (TSA) in cerebrospinal fluid (CSF) was evaluated in 30 intracranial and 65 gastrointestinal tumors. The plasma LSA, TSA and red cell membrane sialic acid (R-SA) in were determined according to the method of Sevenmerhulm. Our results showed that the levels of LSA and TSA in CSF of intracranial tumor patients was higher than that of normal group(p<0.

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Article Synopsis
  • Patients with non-small cell lung cancer (NSCLC) who have EGFR mutations show better responses to EGFR tyrosine kinase inhibitors (EGFR-TKIs), but they eventually develop resistance, complicating treatment.
  • The study analyzed data from 27 NSCLC patients who failed initial EGFR-TKI treatment but were retreated with EGFR-TKIs after chemotherapy, assessing their tumor response and side effects.
  • Results showed a disease control rate of 85.2% with a median progression-free survival of 6 months; retreatment with the same EGFR-TKI had slightly lower outcomes compared to using a different EGFR-TKI.
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Preclinical studies have shown synergism between epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors and antifolates in solid tumors. This study is to investigate the efficacy and tolerability of erlotinib plus capecitabine as first-line treatment in older Chinese patients (≥ 65 years) with lung adenocarcinoma. This is an open-label, single arm, multicenter phase II clinical trial.

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Objective: To observe the efficacy and toxicity of nanoparticle albumin bound paclitaxel (nab-paclitaxel) plus platinum agent (cisplatin or carboplatin) as first line treatment for stage III/IV squamous non-small-cell lung cancer (NSCLC).

Methods: Forty chemotherapy naive patients with stage III/IV squamous NSCLC received nab-paclitaxel 125 mg/m2 on day 1 and day 8, cisplatin 75 mg/m2 on day 1, carboplatin area under the concentration-time curve of 5 (AUC=5) on day 1. One cycle of treatment was 3 weeks, and at least two were completed in each case.

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Polymorphisms in the nicotinic acetylcholine receptor subunit CHRNA5 gene have been associated with lung cancer positive susceptibility in European and American populations. In the present hospital-based, case-control study, we determined whether polymorphism in rs503464 of CHRNA5 is associated with lung cancer risk in Chinese individuals. A single nucleotide polymorphism in CHRNA5 rs503464, c.

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Background:   Abraxane is a novel Cremophor-free nanoparticle paclitaxel that has been demonstrated to improve efficacy in the treatment of solid tumors. We undertook this retrospective study to evaluate the efficacy and safety of Abraxane in the progressive or recurrent non-small cell lung cancer (NSCLC) patients.

Methods:   From August 2009 to April 2011, 33 patients who were diagnosed with progressive or recurrent NSCLC and treated with one or more prior platinum-based chemotherapies, were enrolled.

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Both environmental and genetic factors participate in the pathogenesis of lung cancer. The aim of this study was to explore the association between CHRNA3 polymorphisms of the nicotinic acetylcholine receptor gene and lung cancer risk in a hospital-based, case-controlled study. Single nucleotide polymorphisms (SNPs) in CHRNA3 rs3743073 (A>G) were determined using the TaqMan-MGB probe technique in 600 lung cancer cases and 600 normal controls.

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Background: The safety of using a cutting needle when performing a core-needle biopsy is of major concern, in particular for small lung tumors or tumors near the hilum.

Purpose: To investigate the usefulness of CT-guided fine needle aspiration biopsy (FNAB) of the lung in obtaining tumor tissue for epidermal growth factor receptor (EGFR) mutation analysis in advanced lung cancer patients.

Material And Methods: Forty-three patients with stage IIIB-IV lung cancer were enrolled.

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The published data on the predictive value of polymorphism of ERCC1 and XPD in patients with advanced non-small cell lung cancer receiving platinum-based chemotherapy are inconclusive. To derive a more precise estimation of the relationship, a meta-analysis was performed. Relevant studies were identified by searching the Medline, Embase, CNKI and American Society of Clinical Oncology abstract databases.

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Purpose: Genetic polymorphisms of DNA repair genes are associated with differential enzyme activity and may help explain interindividual differences in response rates after platinum-based chemotherapy for non small cell lung cancers (NSCLCs). This study was conducted to assess relationships between X-ray repair cross complementing group1 (XRCC1) and xeroderma pigmentosum group D (XPD) genetic polymorphisms and outcome in NSCLC patients.

Methods: From March 1, 2005 to December 31, 2008, the polymerase chain reaction-restriction fragment length polymorphism method was applied to evaluate genetic polymorphisms of the XRCC1 codon399 (Arg/Gln) and XPD codon751 (Lys/Gln) DNA repair genes in 108 patients with stage IIIB and IV NSCLCs treated with platinum-based chemotherapy in the Department of Chemotherapy of Jiangsu Cancer Hospital and Research Institute.

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Objective: To investigate the correlation of the mRNA expression level of excision repair cross-complementing group 1 (ERCC1) gene with clinicopathological parameters and clinical outcome in patients with non-small cell lung cancer (NSCLC) receiving platinum-based chemotherapy.

Methods: The mRNA expression of ERCC1 in formalin-fixed paraffin-embedded primary tumor specimens was measured by real-time quantitative reverse transcriptase polymerase chain reaction. The association between ERCC1 expression levels and clinicopathological parameters in NSCLC patients was analyzed.

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Ribonucleotide reductase catalyzes the rate limiting step of deoxyribonucleotide formation, a crucially important step in DNA synthesis and repair. The regulatory subunit M1 of ribonucleotide reductase (RRM1) is the necessary part of the RR function and controls substrate specificity and global on/off enzyme activity. Despite recent research progress, the role of RRM1 in lung cancer sensitivity to chemotherapeutics remains to be elucidated.

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Objectives: To evaluate the efficacy and safety of a weekly taxane schedule in the treatment of advanced non small cell lung cancers (NSCLCs) and to generate an optimal pre-medication protocol for weekly taxane.

Methods: From December 2001 to June 2006, 78 patients with advanced NSCLCs were recruited from the Department of Chemotherapy, Jiangsu Cancer Hospital and Research Institute. Paclitaxel was delivered at 80-100mg/m2 on days 1 and 8 (11 cases), or 50-80 mg/m2 on days 1, 8 and 15 (23 cases), while docetaxel was given with the same schedules at 35-45 mg/m2 (30cases), or 25-35 mg/m2 (14 cases).

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