Publications by authors named "Da Fang Chen"

Article Synopsis
  • Numerous guidelines emphasize the need for personalized interventions to combat childhood obesity, focusing on the influence of the FTO gene.
  • A systematic review of 12,255 records evaluated 13 lifestyle-based obesity interventions involving nearly 4,000 children, analyzing changes in various obesity-related metrics.
  • The findings indicated that the FTO risk allele had little impact on children's responses to these interventions, suggesting that genetic factors may have a minor role, and future research should explore the cumulative effects of multiple genes.
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In recent years, the real-world studies (RWS) have attracted extensive attention, and the real-world evidence (RWE) has been accepted to support the drug development in China and abroad. However, there is still a lack of standards for the evaluation of the quality of RWE. It is necessary to formulate a quality evaluation and reporting specification for RWE especially in traditional Chinese medicine (TCM).

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Background And Aim: Short sleep duration is a risk factor of cardiovascular disorder; however, the association between short sleep duration and carotid atherosclerosis has not been completely characterised. The aim of this study is to investigate the association between short sleep duration and carotid atherosclerosis.

Methods: We used the cross-sectional data collected between May 2014 and July 2014, which were based on a cardiovascular disease cohort study including 3798 participants aged 40 years and older who are residents of Beijing, China.

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Aims/introduction: To investigate the relationship between various glucose metabolic status and arterial stiffness, and further explore the threshold of blood glucose indices for the risk of arterial stiffness.

Materials And Methods: The present cross-sectional study included 4,851 individuals from a Chinese community. Overnight fasting blood glucose and 2-h post-load glucose were sampled.

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Objective: To understand the relationships between CDH13 (T-cadherin) genetic polymorphisms, adiponectin levels and ischemic stroke, and possible interactions between CDH13 polymorphisms and other risk factors.

Methods: We recruited 342 Chinese ischemic stroke sib pairs. We genotyped rs4783244 and rs7193788 on CDH13 using time-of-flight mass spectrometry genotyping technology and measured total and high-molecular weight (HMW) adiponectin levels.

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Article Synopsis
  • This study investigated the prevalence and characteristics of comorbid dysthymia in Chinese patients with major depressive disorder (MDD), finding that 8.7% of MDD patients also met the criteria for dysthymia.
  • It revealed that patients with both MDD and dysthymia exhibited distinct clinical features, such as more depressive episodes with atypical symptoms and fewer psychiatric family histories.
  • The research concluded that the differences observed in this demographic could influence treatment strategies, even though the prescription patterns for psychotropic medications were similar between the two patient groups.
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Aim: To investigate the associiations between the polymorphisms of cell cycle pathway genes and the risk of hepatocellular carcinoma (HCC).

Methods: We enrolled 1127 cases newly diagnosed with HCC from the Tumor Hospital of Guangxi Medical University and 1200 non-tumor patients from the First Affiliated Hospital of Guangxi Medical University. General demographic characteristics, behavioral information, and hematological indices were collected by unified questionnaires.

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Objective: To analyze the sociodemographic and clinical factors related to anxiety in patients with major depressive disorder (MDD).

Methods: This study involved a secondary analysis of data obtained from the Diagnostic Assessment Service for People with Bipolar Disorders in China (DASP), which was initiated by the Chinese Society of Psychiatry (CSP) and conducted from September 1, 2010 to February 28, 2011. Based on the presence or absence of anxiety-related characteristics, 1,178 MDD patients were classified as suffering from anxious depression (n=915) or non-anxious depression (n=263), respectively.

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Background: Although coronary heart disease (CHD) is one of the major cardiovascular diseases, risk factors associated with the health-related quality of life (HRQoL) of CHD patients remain unclear. The present study was designed to determine the profile and significant factors of the HRQoL in CHD patients.

Methods: A cross-sectional study was conducted in rural communities of Fangshan District, Beijing, China.

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Objective: To explore the correlation between glycemic control of type 2 diabetes mellitus (T2DM) patients and brachial-ankle pulse velocity (baPWV).

Methods: A community-based cross-sectional study was conducted in Beijing, China. Every subject underwent physical examinations, glycated hemoglobin (HbA1c), blood lipid and baPWV measurements and completed a standardized questionnaire.

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Several lines of evidence suggest that MUC5AC genetic polymorphisms might confer susceptibility to H. pylori infection and therefore gastric cancer risk. We here assessed the association of common polymorphisms in the MUC5AC gene with H.

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Background: Myocardial infarction (MI) is a serious complication of Coronary Artery Disease (CAD). Previous studies have identified genetic variants on chromosome 9p21 and 6p24 that are associated with CAD, but further studies need to be conducted to investigate whether these genetic variants are associated with the pathogenesis of MI. We therefore performed this study to assess the association between the risk of MI and SNP rs10757274 on chromosome 9p21 and SNP rs6903956 on chromosome 6p24, and to explore the gene-environment interactions in a Chinese population.

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Background: Numerous genetic risk factors of ischemic stroke (IS) have been reported from both candidate gene and genome-wide strategies with inconsistent results. The objective of this study was to confirm the relationship between 10 previously identified single-nucleotide polymorphisms (SNPs) and IS in the Chinese population.

Methods: A family-based study was conducted in a rural area of Beijing, with a total of 227 IS families with 622 participants recruited.

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Background: Mandibuloacral dysplasia type A (MADA) is a rare autosomal recessive disorder, characterized by growth retardation, skeletal abnormality with progressive osteolysis of the distal phalanges and clavicles, craniofacial anomalies with mandibular hypoplasia, lipodystrophy and mottled cutaneous pigmentation. Some patients may show progeroid features. MADA with partial lipodystrophy, more marked acral, can be caused by homozygous or compound heterozygous mutation in the gene encoding lamin A and lamin C (LMNA).

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Objective: To examine the potential influence factors of abdominal aortic aneurysm (AAA).

Methods: A 1:2 pair-matched, case-control study was conducted from July 2011 to December 2012. A pair was composed of one AAA patient recruited from the Vascular Surgery Department, Chinese PLA General Hospital and two gender- and age-matched non-AAA subjects, one from the same hospital and the other from the community in Fangshan District in Beijing.

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Several lines of evidence suggest that genetic variation in MUC5AC gene might contribute to the risk of gastric cancer. We conducted a case-control study to evaluate the relationship between common genetic variations in MUC5AC gene and non-cardia gastric cancer using an LD-based tagSNP approach in Baotou, north-western China. We genotyped 12 tagSNPs by TaqMan method among 288 cases with non-cardia gastric cancer and 281 normal controls.

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Objective: To evaluate the association of known polymorphisms in the lipid metabolic pathway with body mass index (BMI), and estimate their interactions with soybean food intake.

Methods: A community-based cross-sectional survey was conducted in a Chinese Han population. BMI, soybean food intake, and single nucleotide polymorphisms of rs599839, rs3846662, rs3846663, rs12916, rs174547, rs174570, rs4938303, and rs1558861 were measured in 944 subjects.

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Article Synopsis
  • The study investigates gender differences in major depressive disorder (MDD) among Chinese patients, focusing on demographics, clinical characteristics, and psychotropic treatment.
  • Among the 1,178 patients analyzed, key findings indicate that male patients are generally younger and have fewer lifetime depressive episodes, while females are more affected by stressful life events.
  • Results suggest that gender-related differences in MDD may vary significantly between Chinese patients and those in Western studies, hinting at the influence of cultural and biological factors on depression.
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Objective: To investigate the linkage and association between rs966221 (SNP 83) in PDE4D gene with stroke and related traits in ischemic stroke families.

Methods: Ischemic stroke families including ischemic stroke patients and their siblings and/or parents were recruited. Generalized estimating equation (GEE) was used to adjust for with-in family correlations and other potential confounding factors.

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Objectives: This study was designed to obtain the knowledge about TEG indexes distribution in Chinese aged people, as well as to test the hypothesis that previous TEG indexes are associated with the subsequent thromboembolic and bleeding events in the aged population.

Methods: We conducted a two-year follow-up study in Chinese PLA General Hospital, Beijing, China. 403 aged people were enrolled in our study.

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Article Synopsis
  • The study investigates the potential genetic factors contributing to antituberculosis drug-induced liver injury (ATLI) by focusing on single nucleotide polymorphisms (tSNPs) in drug-metabolizing enzymes such as CYP3A4, CYP2C9, and CYP2C19.
  • The research involved a case-control design with 89 ATLI cases matched to 356 controls based on specific criteria like age and treatment history, using advanced genotyping methods to analyze selected tSNPs.
  • Results showed no significant differences in the genetic polymorphisms between the ATLI patients and controls, indicating that the studied tSNPs do not play a significant role in the risk of developing ATLI in this Chinese population.
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Objective: Bipolar disorder (BD) is frequently misdiagnosed as major depressive disorder (MDD), which may lead to inappropriate treatment and poor outcomes. This study aimed to examine prescribing patterns of antidepressants, antipsychotics and mood stabilizers in BD patients misdiagnosed with MDD in China.

Methods: A total of 1487 patients originally diagnosed with MDD were consecutively screened for diagnostic revision in 13 psychiatric hospitals or psychiatric units of general hospitals in China nationwide.

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Inappropriate complementary feeding practices have led to, in part, significant disparities in growth and nutritional status between rural and urban children in China. A cluster-randomised, controlled trial was implemented in Laishui, China to assess the effectiveness of an educational intervention on caregivers' feeding practices and children's growth. Eight townships were randomly assigned to the intervention or control.

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