Publications by authors named "Meichun Zheng"

African swine fever (ASF) is an infectious disease with high mortality caused by African swine fever virus (ASFV), which poses a great threat to the global swine industry. ASFV has evolved multiple strategies to evade host antiviral innate immunity by perturbing inflammatory responses and interferon production. However, the molecular mechanisms underlying manipulation of inflammatory responses by ASFV proteins are not fully understood.

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Objective: This study investigated the biomedical, psychological, and social behavior factors for supportive care needs in colorectal cancer patients with a stoma, aiming to provide a theoretical basis for the development of targeted interventions.

Methods: This cross-sectional study included 175 colorectal cancer patients with a stoma. A questionnaire was used to collect demographic and disease-related data on patients.

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This study identifies interleukin-6 (IL-6)-independent phosphorylation of STAT3 Y705 at the early stage of infection with several viruses, including influenza A virus (IAV). Such activation of STAT3 is dependent on the retinoic acid-induced gene I/mitochondrial antiviral-signaling protein/spleen tyrosine kinase (RIG-I/MAVS/Syk) axis and critical for antiviral immunity. We generate STAT3 knockin mice that display a remarkably suppressed antiviral response to IAV infection, as evidenced by impaired expression of several antiviral genes, severe lung tissue injury, and poor survival compared with wild-type animals.

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Objectives: A large proportion of mid-low rectal cancer patients develop low anterior resection syndrome (LARS) after Sphincter-sparing surgery. This study aimed to investigate the effect of low anterior resection syndrome (LARS) on quality of life (QoL) in Chinese rectal cancer patients following sphincter-sparing surgery.

Methods: This was a comparative cross-sectional study.

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Purpose: The prognosis for colorectal cancer is closely related to the time of diagnosis. However, patient delay is common and become a major contributor to delays in cancer diagnosis. We aimed to investigate patient delay and its predictors based on the Theory of Planned Behavior among colorectal cancer patients.

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Malignant fungating wounds are associated with heavy exudate and malodor, and can thus have a devastating impact on the physical, psychological, and functional health of patients at the end of life. Management is typically limited to the use of more absorbent dressings and frequent changing of dressings. However, this method is associated with a large amount of time needed for wound care, and does not always resolve the problem of malodor.

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Objectives: To investigate public awareness of colorectal cancer (three components: total knowledge, confidence and anticipated delay) in the Chinese population, to explore factors associated with total knowledge and to elucidate relationships among three components of public awareness of colorectal cancer.

Methods: We recruited 562 adult Chinese participants with no history of colorectal cancer between March and May 2020 by convenience sampling method. Data were collected online using a self-designed demographic questionnaire and a simplified Chinese version of the Bowel Cancer Awareness Measure.

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Aim: The purpose of this study was to translate the Stoma-quality of life into Chinese and evaluate its psychometric properties in Chinese patients.

Background: Quality of life is an important issue for patients with colostomy, and its appropriate and precise measurement is beneficial to promoting better care. The Stoma-quality of life questionnaire has been widely used; however, the validity and reliability of its Chinese version has not been determined.

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Background: This study aimed to examine the effects of applying the negative pressure wound therapy (NPWT) combined with intermittent instillation (NPWTi) in patients with cervical anastomotic leakage (AL) after esophageal cancer surgery.

Methods: From July 2019 to June 2021, 64 patients undergoing AL after esophageal cancer surgery were selected from our Hospital's Thoracic Department, and randomly allocated to the conventional nursing group (20 patients), the hospital central NPWTi group (23 patients), and the portable NPWTi group (21 patients). The hospital central NPWTi group was treated with central negative pressure combined with intermittent instillation, and the portable NPWTi group was treated with portable negative pressure combined with intermittent instillation.

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Purpose: Patients with mid-to low-rectal cancer can have various dysfunctions of defecation after sphincter-saving resection. Defecation dysfunction can manifest as incontinence, urgency, or frequent bowel movements, and is called low anterior resection syndrome (LARS). This study aimed to examine LARS score and objective anorectal function indices in Chinese patients receiving sphincter-saving surgery for mid-to low-rectal cancer.

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Background: Colorectal cancer is one of the most common cancers worldwide. Although colostomies are necessary for disease treatment, they unavoidably affect patient quality of life (QOL), especially in the early postoperative stage.

Objective: The aim of this study was to investigate the dynamic changes and factors influencing QOL among Chinese patients with permanent colostomy.

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Background: To evaluate the effect of biofeedback on intestinal function among patients with middle and low rectal cancer.

Methods: Using a randomized controlled trial design, 109 patients with middle and low rectal cancer indicated to have preoperative radiochemotherapy, anterior resection of the rectum, and preventive stoma were randomly divided into three groups: the blank control group, the pelvic floor muscle exercise group, and the biofeedback training group. A 16-month intervention and longitudinal follow-up study was conducted, and a questionnaire on intestinal function by the Memorial Sloan-Kettering Cancer Center (MSKCC) was adopted into a Chinese version to evaluate patients' intestinal function situation.

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Background: We launched a screening program for colorectal cancer (CRC) in Yuexiu District, Guangzhou, China, in 2014. Here we aimed to report the early results of the program and evaluate the benefits of a screening questionnaire.

Methods: Residents aged between 50 and 74 were eligible for the screening.

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Aims And Objectives: To compare the differences in psychosocial behaviour reactions, psychosocial needs, anxiety and depression before and after colostomy surgery and to explore the predictors of psychosocial behaviour reactions.

Background: Colorectal cancer is increasing worldwide. Abdominoperineal resection accompanied by permanent colostomy can cause complicated psychosocial reactions and needs.

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Purpose: Patients with rectal cancer have issues in adjusting to their permanent colostomy after surgery, and support is required to help them resume normal life. However, few studies have explored the experience and factors that affect a patient's decision-making and maladjustment prior to colostomy surgery. The aim of this study was to explore the experience of rectal cancer patients who have to undergo colostomy surgery.

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Background: Few studies have examined the association of choline and betaine intake with colorectal cancer risk, although they might play an important role in colorectal cancer development because of their role as methyl donors. The aim of this study was to examine the relationship between consumption of choline and betaine and colorectal cancer risk in a Chinese population.

Methodology/principal Findings: A case-control study was conducted between July 2010 and December 2013 in Guangzhou, China.

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Purpose: The current study was designed to describe the symptom distress and quality of life (QoL) in Chinese oesophageal cancer patients undergoing chemotherapy after radical oesophagectomy and to identify the factors that influenced symptom distress and the relationship between symptom distress and QoL.

Methods: The sample consisted of 102 oesophageal cancer patients undergoing chemotherapy after radical oesophagectomy. The patients completed the Chinese versions of the M.

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Background: The Ostomy Adjustment Scale (OAS) has been widely used to measure the adjustment to an ostomy. Although the instrument had been used among subjects from various backgrounds, psychometric properties had never been evaluated.

Objectives: The primary aim of this study was to test the psychometric properties of the OAS among Chinese colostomy patients, and the secondary aim was to examine the predictors of colostomy adjustment.

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Purpose: To explore the influence of self-efficacy and demographic, disease-related, and psychological factors on symptom distress among Chinese colorectal cancer patients receiving postoperative adjuvant chemotherapy.

Methods: Two-hundred and fifty-two colorectal cancer patients who had undergone postoperative adjuvant chemotherapy completed Chinese versions of M. D.

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Purpose: We evaluated persons living with a colostomy in order to characterize and describe relationships among adjustment, self-care ability, and social support.

Subjects And Setting: One hundred twenty-nine colostomy patients from 5 hospitals in Guangzhou, capital city of the Guangdong province, were recruited by convenience sampling.

Instruments: Cross-sectional data were collected from a survey that included demographic and pertinent clinical data related to their ostomy.

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Background: Maintaining quality of life (QOL) during chemotherapy is a critical aspect of cancer treatment. Instruments have been developed to assess symptom distress, self-efficacy, anxiety, depression, and other factors impacting QOL during cancer treatment, but Chinese versions have become available only recently.

Objective: The aim of this study was to identify factors predictive of QOL during chemotherapy in Chinese colorectal cancer (CRC) patients.

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Few studies have been conducted in Chinese adults to investigate the effect of fiber intake on colorectal cancer risk. The present study aimed to examine the associations of dietary fiber and fiber fraction intakes with colorectal cancer risk in Chinese adults. A total of 613 cases with colorectal cancer were consecutively recruited between July 2010 and October 2012 and frequency matched to 613 controls by age (5-yr interval) and gender.

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Background: Colorectal cancer is a major public health problem. There is growing support for colorectal cancer survivors who are experiencing problems after cancer treatment to engage in self-management programs to reduce symptom distress. However, there is inconclusive evidence as to the effectiveness of such program especially in Asian region.

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Background: The aim of this research was to explore quality of life (QOL) and acceptance of disability and social support of colostomy patients as well as the relationship between these factors.

Methods: A descriptive, correlational study was conducted using four scales: the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) and European Organization for Research and Treatment of Cancer Colorectal Cancer-Specific Quality of Life Questionnaire (EORTC QLQ-CR38) scales, the Acceptance of Disability Scale (ADS), and the Social Relational Quality Scale (SRQS). A convenience sample of 111 colostomy patients from four hospitals in Guangzhou who underwent colostomy operation at least one month prior to the study and who visited the stoma clinic or association from August 2011 to February 2012 was evaluated for inclusion in the study.

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The associations between dietary fat intakes and the risk of colorectal cancer have been examined in many epidemiological studies, but the results have remained inconsistent. This study aimed to examine the associations of total fat and fatty acid intakes with the risk of colorectal cancer in Guangzhou, China. A case-control study was carried out between July 2010 and May 2012 in Guangzhou, China.

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