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Chang L, Liu F, Che GL, Yang QX, Lai SY, Teng J, Duan JX, Jian H, Jiang YM. [The non-bacterial pathogenic and clinical characteristics of acute respiratory tract infection in children in a hospital of pediatric in Sichuan Province from 2019 to 2021]. Zhonghua Yu Fang Yi Xue Za Zhi 2024; 58:219-226. [PMID: 38387954 DOI: 10.3760/cma.j.cn112150-20230928-00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Objective: To explore the non-bacterial pathogen distribution, epidemiological characteristics, and clinical features of acute respiratory infections in children in Sichuan Province. Methods: Using a retrospective cohort study method, this study selected hospitalized children diagnosed with acute respiratory infections at West China Second Hospital of Sichuan University from February 2019 to January 2021, and tested 13 pathogens using polymerase chain reaction (PCR)-fragment analysis. The children were divided into infant group (<1 year old), toddler group (1 year old ≤ age <3 years old), preschool group (3 years old ≤ age <6 years old) and school-age group (6 years old ≤ age <18 years old). The distribution of pathogen positive rates, seasonal epidemic characteristics, clinical characteristics, and some laboratory test indicators were analyzed in children. Statistical analysis was performed on the results using SPSS 22.0 software, with count data expressed as percentages and inter group comparisons using SPSS 22.0 software χ2 Inspection. Results: A total of 2 922 pediatric patients were included in this study, with 1 748 (59.8%) positive for pathogens detected. Among them, 1 391 (79.6%) were detected as a single pathogen, and 357 (20.4%) were detected as a mixture of two or more pathogens. The most commonly detected pathogens were rhinovirus (HRV) (39.7%), syncytial virus (RSV) (22.8%), and parainfluenza virus (PIV) (12.5%). Pathogen positivity is more common in children under 6 years old (χ2=146.59, P<0.001), with a slightly higher positivity rate in male children (61.3%, 1 047/1 707) than in female children (57.7%, 701/1 215) (χ2=3.91, P=0.048), and compared with pathogen negative children, positive children are more prone to symptoms such as cough, wheezing, and shortness of breath (χ2=259.15, 366.06, 12.48, P<0.001). The distribution of different pathogens varies among children of different age groups, and HRV is more common in children aged 1-3 and 3-6 years old (χ2=9.74, P<0.001), while RSV is more common in children under 1 year old (χ2=178.63, P<0.001), while mycoplasma pneumoniae (MP) and influenza virus (InfA/B) are less common in children under 1 year old (χ2=92.54, 12.90,22.21, P<0.01). The prevalence of multiple pathogens showed seasonal changes. HRV showed a high prevalence trend in spring and autumn, while the prevalence of RSV infection was mainly seen in autumn and winter festivals. The positive rate of different pathogens after the outbreak of novel coronavirus pneumonia was significantly lower than that before the outbreak (χ2=252.68, P<0.001). Conclusion: The detection rate of non-bacterial respiratory pathogens in children in Sichuan Province from 2019 to 2021 is high, which is prone to symptoms such as cough, wheezing, and shortness of breath, with HRV and RSV being the main types. The positive rate of respiratory pathogens varies among different age groups, genders, and seasons.
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Affiliation(s)
- L Chang
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - F Liu
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - G L Che
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - Q X Yang
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - S Y Lai
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - J Teng
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - J X Duan
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - H Jian
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
| | - Y M Jiang
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu 610041, China
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Duan JX, Liu F, Chang L, Che GL, Yang QX, Teng J, Jian H, Liu XJ, Lai SY. A primary pediatric acute myelomonocytic leukemia with t(3;21)(q26;q22): A case report. Medicine (Baltimore) 2023; 102:e35721. [PMID: 37904382 PMCID: PMC10615462 DOI: 10.1097/md.0000000000035721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/29/2023] [Indexed: 11/01/2023] Open
Abstract
RATIONALE The rare t(3;21)(q26;q22) translocation results in gene fusion and generates multiple fusion transcripts, which are typically associated with therapy-related myelodysplastic syndrome, acute myeloid leukemia, and chronic myelogenous leukemia. Here, we report a rare case of de novo acute myelomonocytic leukemia in a young child with t(3;21)(q26;q22). PATIENT CONCERNS A 2-and-a-half-year-old female patient presented with abdominal pain, cough, paleness, and fever for 3 weeks, without any history of malignant diseases. DIAGNOSES Chest computed tomography revealed pneumonia. Bone marrow smear confirmed acute myelomonocytic leukemia. Cytogenetic analysis and Sanger sequencing identified RUNX1-MECOM and RUNX1-RPL22 fusion genes as a result of t(3;21)(q26;q22). INTERVENTIONS The patient received 3 courses of chemotherapy, but bone marrow smear examination showed no remission. According to the wishes of the patient family, the allogeneic hematopoietic stem cell transplantation (Allo-HSCT) was chosen. OUTCOMES The patient did not experience any adverse reactions after Allo-HSCT. The red blood cells and platelets increased without transfusion. The pneumonia recovered after antibiotic treatment. LESSONS The patient recovered well after Allo-HSCT. Therefore, for patients with RUNX1-MECOM and RUNX1-RPL22 fusion genes, transplantation may be a good choice when chemotherapy is not effective.
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Affiliation(s)
- Jia-xin Duan
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Fang Liu
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Li Chang
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Guang-lu Che
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Qiu-xia Yang
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Jie Teng
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Hui Jian
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Xiao-juan Liu
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
| | - Shu-yu Lai
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, Chengdu, China
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Yang Q, Liu F, Chang L, Lai S, Teng J, Duan J, Jian H, Liu T, Che G. Molecular epidemiology and clinical characteristics of enteroviruses associated HFMD in Chengdu, China, 2013-2022. Virol J 2023; 20:202. [PMID: 37661256 PMCID: PMC10476316 DOI: 10.1186/s12985-023-02169-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023] Open
Abstract
OBJECTIVES This study aims to investigate molecular epidemiology and clinical characteristics of enterovirus associated hand-foot-mouth disease (HFMD) in Chengdu, China, 2013-2022. Monitoring the molecular epidemiology and clinical features of HFMD for up to 10 years may provide some ideas for future protection and control measures. METHODS We conducted a retrospective analysis of the medical records of all patients with laboratory-confirmed HFMD-related enterovirus infection at the West China Second University Hospital from January 2013 to December 2022. We described the characteristics in serotype, age, sex distribution and hospitalization of enterovirus infection cases using data analysis and graphic description. RESULTS A total of 29,861 laboratory-confirmed cases of HFMD-related enterovirus infection were reported from 2013 to 2022. There was a significant reduction in the number and proportion of EV-A71 cases after 2016, from 1713 cases (13.60%) in 2013-2015 to 150 cases (1.83%) in 2017-2019. During the COVID-19 pandemic, EV-A71 cases even disappeared. The proportion of CV-A16 cases decreased from 13.96% in 2013-2015 to 10.84% in 2017-2019 and then to 4.54% in 2020-2022. Other (non-EV-A71 and non-CV-A16) serotypes accounted for 95.45% during 2020-2022, with CV-A6 accounting for 50.39% and CV-A10 accounting for 10.81%. Thus, CV-A6 and CV-A10 became the main prevalent serotypes. Furthermore, There was no significant difference in the enterovirus prevalence rate between males and females. The hospitalization rate of EV-A71 patients was higher that of other serotypes. In general, the proportion of HFMD hospitalizations caused by other pathogens except for EV-A71, CV-A16, CV-A10 and CV-A16 was second only to that caused by EV-A71. The proportion of children over 4 years old infected with enterovirus increased. CONCLUSION The incidence of HFMD associated with enterovirus infection has decreased significantly and CV-A6 has been the main pathogen of HFMD in Chengdu area in recent years. The potential for additional hospitalizations for other untested enterovirus serotypes suggested that attention should also be paid to the harms of infections with unknown enterovirus serotypes. Children with HFMD were older. The development of new diagnostic reagents and vaccines may play an important role in the prevention and control of enterovirus infection.
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Affiliation(s)
- Qiuxia Yang
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Fang Liu
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Li Chang
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Shuyu Lai
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Jie Teng
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Jiaxin Duan
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Hui Jian
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Ting Liu
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China
| | - Guanglu Che
- Department of Laboratory Medicine, West China Second University Hospital, and Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, People's Republic of China.
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Chang L, Che G, Yang Q, Lai S, Teng J, Duan J, Liu T, Liu F. Leishmania donovani visceral leishmaniasis diagnosed by metagenomics next-generation sequencing in an infant with acute lymphoblastic leukemia: a case report. Front Public Health 2023; 11:1197149. [PMID: 37435524 PMCID: PMC10332309 DOI: 10.3389/fpubh.2023.1197149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/30/2023] [Indexed: 07/13/2023] Open
Abstract
Background Visceral leishmaniasis (VL) is a neglected vector-borne tropical disease caused by Leishmania donovani (L. donovani) and Leishmania infantum (L. infantum). Due to the very small dimensions of the protozoa impounded within blood cells and reticuloendothelial structure, diagnosing VL remains challenging. Case presentation Herein, we reported a case of VL in a 17-month-old boy with acute lymphoblastic leukemia (ALL). The patient was admitted to West China Second University Hospital, Sichuan University, due to repeated fever after chemotherapy. After admission, chemotherapy-related bone marrow suppression and infection were suspected based on clinical symptoms and laboratory test results. However, there was no growth in the conventional peripheral blood culture, and the patient was unresponsive to routine antibiotics. Metagenomics next-generation sequencing (mNGS) of peripheral blood identified 196123 L. donovani reads, followed by Leishmania spp amastigotes using cytomorphology examination of the bone marrow specimen. The patient was given pentavalent antimonials as parasite-resistant therapy for 10 days. After the initial treatment, 356 L. donovani reads were still found in peripheral blood by mNGS. Subsequently, the anti-leishmanial drug amphotericin B was administrated as rescue therapy, and the patient was discharged after a clinical cure. Conclusion Our results indicated that leishmaniasis still exists in China. Unbiased mNGS provided a clinically actionable diagnosis of a specific infectious disease from an uncommon pathogen that eluded conventional testing.
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Affiliation(s)
- Li Chang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Guanglu Che
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Qiuxia Yang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Shuyu Lai
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Jie Teng
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Jiaxin Duan
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Ting Liu
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
| | - Fang Liu
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, Sichuan, China
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Che G, Liu F, Chang L, Lai S, Teng J, Yang Q. Mycoplasma hominis Meningitis Diagnosed by Metagenomic Next-Generation Sequencing in a Preterm Newborn: a Case Report and Literature Review. Lab Med 2023; 54:e24-e28. [PMID: 35801947 DOI: 10.1093/labmed/lmac078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Mycoplasma hominis is mainly colonized in the genital tract and vertically transmitted to newborns; however, it rarely causes neonatal meningitis. We report a case of M. hominis meningitis in a premature infant. She was admitted to our hospital for treatment after 6 days of repeated fever. After admission, repeated cerebrospinal fluid (CSF) analysis showed that leukocytes and protein in CSF increased substantially and glucose decreased, but there was no growth in conventional CSF culture. The patient was diagnosed with M. hominis meningitis by metagenomic next-generation sequencing (mNGS). The antibiotic therapy used for the neonate was meropenem, vancomycin, and ampicillin against bacterial infection and azithromycin against mycoplasma infection. The child was subsequently considered cured and discharged from the hospital and followed up regularly in the neurology clinic. The mNGS may be a promising and effective diagnostic technique for identifying uncommon pathogens of meningitis in patients with meningitis symptoms and signs without microbial growth in routine CSF culture.
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Affiliation(s)
- Guanglu Che
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Fang Liu
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Li Chang
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Shuyu Lai
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Jie Teng
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Qiuxia Yang
- Department of Laboratory Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
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Che G, Liu F, Chang L, Jiang Y. Association of IL-10 -819C/T, -592A/C polymorphisms with the risk of preeclampsia: An updated meta-analysis. Medicine (Baltimore) 2021; 100:e27437. [PMID: 34731117 PMCID: PMC8519236 DOI: 10.1097/md.0000000000027437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 09/18/2021] [Indexed: 01/12/2023] Open
Abstract
OBJECTIVE The purpose of our study was to investigate whether IL-10 -819C/T, -592A/C polymorphisms were associated with preeclampsia (PE) susceptibility. METHODS A comprehensive and systematic literature search was performed through online databases, including Web of Science, PubMed, EMBASE, and Chinese databases. Then eligible literatures were included according to inclusion criteria and exclusion criteria. Statistical data analysis was performed using Stata 10.0 software. Odds ratios (OR) and 95% confidence interval were applied to evaluated the association between IL-10 -819C/T, -592A/C polymorphisms and PE susceptibility. RESULTS According to inclusion and exclusion criteria, 9 case-control studies, including 1423 cases and 2031 controls, were included in this meta-analysis. Our meta-analysis revealed that no association was found between IL-10 -819C/T, -592A/C polymorphisms and the risk of PE in our study. CONCLUSION Our meta-analysis suggested that IL-10 -819C/T and -592A/C polymorphisms had no association with PE susceptibility, but had a significant association with PE susceptibility in Asian and Caucasian.
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Yuan F, Xiao X, Che G, Wang Y, Wang T, Luo X, Liang W, Gao L, Zhang L. A functional variant in the flanking region of pri-let-7f contributes to colorectal cancer risk in a Chinese population. J Cell Physiol 2019; 234:15717-15725. [PMID: 30740676 DOI: 10.1002/jcp.28227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 01/10/2019] [Accepted: 01/16/2019] [Indexed: 01/24/2023]
Abstract
Let-7f was reported to be downregulated in patients with colorectal cancer (CRC). However, little is known about the role of let-7f in CRC carcinogenesis. The aim of this study was to investigate the correlation between genetic polymorphisms in the flanking region of pri-let-7f and CRC risk, as well as the potential role of let-7f in CRC cell migration and invasion. The pri-let-7f-1 rs10739971 and pri-let-7f-2 rs17276588 were genotyped using TaqMan (Applied Biosystems, Foster City, CA) assay. The luciferase activity was detected using Dual-Luciferase Reporter Assay. CRC cell migration and invasion were evaluated using transwell chamber assay. The rs17276588 AG and AG/AA genotypes had a significantly increased CRC risk (AG vs. GG: adjusted odds ratio [OR] = 1.48, 95% confidence interval [CI] = 1.19-1.83, p < 0.001; AG/AA vs. GG: adjusted OR = 1.43, 95% CI = 1.17-1.75, p < 0.001). Stratification analyses showed that the increased risk was observed in CRC patients with well-moderately differential status, patients with clinical Stages I-II, and patients without lymph node metastasis. The rs17276588A allele displayed a decreased transcriptional activity and low levels of let-7f. Moreover, let-7f inhibited migration and invasion in Caco-2 and Lovo cells. These findings indicate that the rs17276588 AG/AA genotypes increased CRC risk by reducing the expression of tumor suppressor let-7f.
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Affiliation(s)
- Fang Yuan
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.,Division of Reproductive Medical Center, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xiao Xiao
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.,Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Guanglu Che
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Yanyun Wang
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Tao Wang
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xiaolei Luo
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Weibo Liang
- Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Linbo Gao
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Lin Zhang
- Laboratory of Molecular Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Center for Translational Medicine, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
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Affiliation(s)
- Linbo Gao
- Laboratory of Molecular and Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
| | - Xiao Xiao
- Laboratory of Molecular and Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, P.R. China
| | - Guanglu Che
- Laboratory of Molecular and Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
| | - Lin Zhang
- Laboratory of Molecular and Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, P.R. China
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Gao L, Yuan F, Che G, Xiao X, Nie X, Wang Y, Jia J, Kong AN, Zhang L. Epigenetic modifications but not genetic polymorphisms regulate KEAP1 expression in colorectal cancer. J Cell Biochem 2019; 120:12311-12320. [PMID: 30825237 DOI: 10.1002/jcb.28495] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 12/19/2018] [Accepted: 01/02/2019] [Indexed: 12/11/2022]
Abstract
Kelch-like ECH-associated protein 1 (KEAP1), as a negative regulator of nuclear factor erythroid 2 like 2 ( NRF2), plays a pivotal role in NRF2 signaling pathway and involves in tumorigenesis. Polymorphisms and methylation in gene promoter region may influence its expression and be related to cancer susceptibility. In this study, we examined the effect of the KEAP1-NRF2 interaction on the risk of colorectal cancer (CRC). The polymorphisms of NRF2 and KEAP1 were genotyped using the improved multiplex ligase detection reaction assay. KEAP1 promoter methylation and histone modification were analyzed using bisulfite genome sequencing and chromatin immunoprecipitation (ChIP) assay, respectively. The KEAP1 rs1048290 CC genotype and C allele were associated with increased risks of CRC (CC vs GG: odds ratio [OR] = 1.39; 95% confidence interval [CI], 1.08-1.78; CC vs GG/GC: OR = 1.29; 95% CI, 1.05-1.58; C vs G: OR = 1.18; 95% CI, 1.04-1.34). The rs1048290-rs11545829 GT haplotype was associated with a reduced risk of CRC. KEAP1-NRF2 interaction analysis revealed that the rs6721961, rs35652124, rs1048290, and rs11545829 conferred the susceptibility to CRC. The hypermethylation of KEAP1 promoter resulted in lower levels of KEAP1 messenger RNA (mRNA). After treatment with 5-aza-2'-deoxycytidine/trichostatin A, KEAP1 promoter methylation was decreased and KEAP1 mRNA levels were increased. ChIP-quantitative polymerase chain reaction results showed an enhanced enrichment of H3K4Me3 and H3K27Ac to the promoter of KEAP1. In vitro methylation analysis showed that the methylated plasmid decreased the transcriptional activity by 70%-84%. These findings suggest that the KEAP1- NRF2 pathway could potentially impact CRC risk and the downregulation of KEAP1 could be explained in part by epigenetic modifications.
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Affiliation(s)
- Linbo Gao
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.,Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.,Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey
| | - Fang Yuan
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Guanglu Che
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xiao Xiao
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xinwen Nie
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Yanyun Wang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Jin Jia
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Ah-Ng Kong
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey
| | - Lin Zhang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.,Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
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Wang Y, Luo H, Che G, Li Y, Gao J, Yang Q, Zhou B, Gao L, Wang T, Liang Y, Zhang L. Placental protein 14 as a potential biomarker for diagnosis of preterm premature rupture of membranes. Mol Med Rep 2018; 18:113-122. [PMID: 29749501 PMCID: PMC6059659 DOI: 10.3892/mmr.2018.8967] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 04/03/2018] [Indexed: 12/14/2022] Open
Abstract
Premature rupture of membranes (PROM) is a common pregnancy complication that frequently results in maternal and perinatal morbidity. The present methods for diagnosing PROM do not satisfy clinical requirements. The present study aimed to examine the proteome profile of amniotic fluid (AF) and maternal plasma, screen unique proteins in AF, and evaluate their diagnostic value for diagnosing PROM. The proteome profiles of AF and maternal plasma were examined via liquid chromatography coupled with tandem mass spectrometry-based proteomic techniques. The protein expression levels of diagnostic candidates in AF, maternal plasma and vaginal fluid were determined by ELISA analysis and Magnetic Luminex® screening assays. The diagnostic value of potential biomarkers was evaluated using receiver operating characteristic curves. A lateral flow assay was developed based on colloidal gold immunochromatography technology. The present study identified 540 unique proteins in AF, 12 of which were chosen for further detection. The present results demonstrated that expression levels of pulmonary surfactant-associated protein B, BPI fold-containing family A member 1, zymogen granule protein 16 homolog B, EGF-containing fibulin-like extracellular matrix protein 1, keratin, type II cytoskeletal 4, keratin, type I cytoskeletal 19, placental protein 14 (PP14), insulin-like growth factor-binding protein 2, mesothelin and serpin family B member 3 were significantly higher in AF compared with in maternal plasma (P<0.01). Furthermore, PP14 was observed to have excellent diagnostic accuracy for preterm PROM (PPROM), with a respective sensitivity and specificity of 100 and 87.5% when the cutoff value was 0.008 µg/ml. The PP14-based lateral flow assay demonstrated a visual detection threshold of 0.008 µg/ml. The results from the present study suggested that PP14 may be a novel potential biomarker for PPROM, and may be developed into a lateral flow assay for bedside application to rapidly diagnose PPROM.
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Affiliation(s)
- Yanyun Wang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Haibo Luo
- Institute of Forensic Medicine, West China School of Basic Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Guanglu Che
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Yanqin Li
- Department of Perinatal Healthcare, Shuangliu District Maternal and Child Health Hospital, Chengdu, Sichuan 610200, P.R. China
| | - Jun Gao
- Department of Perinatal Healthcare, Shuangliu District Maternal and Child Health Hospital, Chengdu, Sichuan 610200, P.R. China
| | - Qiongli Yang
- Department of Perinatal Healthcare, Shuangliu District Maternal and Child Health Hospital, Chengdu, Sichuan 610200, P.R. China
| | - Bin Zhou
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Linbo Gao
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Tao Wang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
| | - Yujie Liang
- Department of Perinatal Healthcare, Shuangliu District Maternal and Child Health Hospital, Chengdu, Sichuan 610200, P.R. China
| | - Lin Zhang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Department of Obstetrics and Gynecology, West China Second University Hospital, Chengdu, Sichuan 610041, P.R. China
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Wang Y, Li J, Zhang L, Xiong X, Che G, Zhou B, Gou X, Hu H. Elevated Adiponectin in Expressed Prostatic Secretion is a Novel Indicator of Inflammatory Prostatitis. Clin Lab 2018; 64:735-741. [PMID: 29739043 DOI: 10.7754/clin.lab.2017.171108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Prostatitis is a common urologic disease with a high prevalence and a significant negative impact on the quality of life. There is a lack of clear understanding of the pathogenesis of prostatitis, there are no rapid diagnostic methods nor effective treatment methods. The present study explored the cytokine profiles in expressed prostatic secretions of prostatitis in the hope of obtaining specific diagnostic biomarkers for prostatitis. METHODS Cytokine antibody arrays, ELISA, and immunohistochemical staining were used to detect the levels and origin of cytokines in expressed prostatic secretions. The diagnostic value of adiponectin as an inflammatory indicator for sub-classification of prostatitis type III were evaluated. RESULTS The results showed that adiponectin levels in prostatitis type IIIa (577.72 ± 558.86 ng/mL) were higher than in prostatitis type IIIb (124.82 (75.81, 241.04) ng/mL) and healthy controls (76.08 (23.34, 204.81) ng/mL), and that the adiponectin levels in prostatitis type IV (207.10 (128.02, 454.31) ng/mL) had a significant correlation with the white blood cell count in expressed prostatic secretion. Our results indicate that adiponectin had a moderate diagnostic value as an inflammatory indicator for sub-classification of prostatitis type III. CONCLUSIONS It suggests that adiponectin plays an important role in the pathogenesis of inflammatory prostatitis and could be developed as a rapid laboratory test indicating inflammation in prostatitis.
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Nie X, Yuan F, Chen P, Pu Y, Zhu J, Wang Y, Xiao X, Che G, Gao L, Zhang L. Association between IL-27 gene polymorphisms and risk of papillary thyroid carcinoma. Biomark Med 2016; 11:141-149. [PMID: 27929666 DOI: 10.2217/bmm-2016-0283] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
AIM IL-27 has potent antitumor effects. We aimed to examine the contribution of single nucleotide polymorphisms in IL-27 to the risk of papillary thyroid carcinoma (PTC). MATERIALS & METHODS IL-27 rs153109 and rs17855750 were analyzed in 496 PTC patients and 629 controls, using a polymerase chain reaction-restriction fragment length polymorphism method. RESULTS The rs153109 AG and AG/GG genotypes were significantly associated with increased risks for PTC. Significantly increased PTC risk was also associated with rs17855750 GT and GT/GG genotypes. Combined genotypes of rs153109 AG/GG and rs17855750 GT/GG increased the risk of PTC (p < 0.05). CONCLUSION These findings showed that IL-27 rs153109 and rs17855750 might be related to the tumorigenesis of PTC.
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Affiliation(s)
- Xinwen Nie
- Department of Immunology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Fang Yuan
- Department of Immunology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Peng Chen
- Department of Forensic Biology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yan Pu
- Department of Forensic Biology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jingqiang Zhu
- Department of Thyroid & Breast Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yichao Wang
- Department of Thyroid & Breast Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Xue Xiao
- Department of Obstetrics & Gynaecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Guanglu Che
- Department of Immunology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Linbo Gao
- Laboratory of Molecular & Translational Medicine, West China Institute of Women & Children's Health, Key Laboratory of Birth Defects & Related Diseases of Women & Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Lin Zhang
- Department of Immunology, West China School of Preclinical & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China.,Laboratory of Molecular & Translational Medicine, West China Institute of Women & Children's Health, Key Laboratory of Birth Defects & Related Diseases of Women & Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
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13
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Yuan F, Sun R, Li L, Jin B, Wang Y, Liang Y, Che G, Gao L, Zhang L. A functional variant rs353292 in the flanking region of miR-143/145 contributes to the risk of colorectal cancer. Sci Rep 2016; 6:30195. [PMID: 27444415 PMCID: PMC4957080 DOI: 10.1038/srep30195] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 06/29/2016] [Indexed: 02/06/2023] Open
Abstract
MicroRNA (miR)-143 and miR-145 have been identified as molecular regulators in cell proliferation, cell growth, clone formation, apoptosis, cell cycle, invasion, and migration. We previously found that rs353292 in the flanking region of miR-143/145 showed a high frequency in patients with colorectal cancer (CRC). To identify whether the rs353292 polymorphism is a risk factor for CRC, we conducted this study with larger samples. A total of 809 patients with CRC and 1005 gender matched controls were collected. The rs353292 polymorphism was genotyped by using TaqMan allelic discrimination. Dual luciferase reporter assay was carried out to measure the transcriptional activity. We found that the rs353292 polymorphism was associated with an increased risk for developing CRC in heterozygous comparison (adjusted OR = 1.70, 95% CI, 1.32–2.20, P < 0.001), dominant genetic model (adjusted OR = 1.62, 95% CI, 1.26–2.09, P < 0.001), and allele comparison (adjusted OR = 1.46, 95% CI, 1.16–1.84, P = 0.001). The rs353292 CT/TT carriers exhibited a lower expression of miR-143 compared to the CC carriers (P = 0.04). Moreover, the pGL3-rs353292T displayed a significantly lower luciferase activity than pGL3-rs353292C (P < 0.01). These findings indicate that the rs353292 polymorphism is functional and may be a risk factor for the development of CRC.
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Affiliation(s)
- Fang Yuan
- Department of Immunology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ruifen Sun
- Department of Immunology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.,Central Laboratory, Yunnan University of Chinese Traditional Medicine, Kunming 650500, Yunnan, P.R. China
| | - Lijuan Li
- Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Bo Jin
- Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yanyun Wang
- Laboratory of Molecular and Translational Medicine, West China Institute of Women and Children's Health; Key Laboratory of Obstetric &Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education; West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yundan Liang
- Laboratory of Molecular and Translational Medicine, West China Institute of Women and Children's Health; Key Laboratory of Obstetric &Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education; West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Guanglu Che
- Department of Immunology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Linbo Gao
- Laboratory of Molecular and Translational Medicine, West China Institute of Women and Children's Health; Key Laboratory of Obstetric &Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education; West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Lin Zhang
- Department of Immunology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.,Department of Forensic Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.,Laboratory of Molecular and Translational Medicine, West China Institute of Women and Children's Health; Key Laboratory of Obstetric &Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education; West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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