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Caruso P, Dunmore BJ, Schlosser K, Schoors S, Santos CD, Perez-Iratxeta C, Lavoie JR, Long L, Hurst L, Ormiston ML, Hata A, Carmeliet P, Stewart DJ, Morrell NW. S84 Identification of MIR-124a as a major regulator of enhanced endothelial cell glycolysis in pulmonary arterial hypertension. Thorax 2016. [DOI: 10.1136/thoraxjnl-2016-209333.90] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Weigle H, Trigonis R, Bunn D, Krakauer D, Long L, Perkins J. 345 Severe Sepsis: What Gets it Right? A Comparison of the Quick Sequential Organ Failure Assessment Versus Systemic Inflammatory Response Syndrome Criteria. Ann Emerg Med 2016. [DOI: 10.1016/j.annemergmed.2016.08.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Long L, Abraham C, Paquette R, Shahmanesh M, Llewellyn C, Townsend A, Gilson R. Brief interventions to prevent sexually transmitted infections suitable for in-service use: A systematic review. Prev Med 2016; 91:364-382. [PMID: 27373209 DOI: 10.1016/j.ypmed.2016.06.038] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Revised: 05/26/2016] [Accepted: 06/27/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND Sexually transmitted infections (STIs) are more common in young people and men who have sex with men (MSM) and effective in-service interventions are needed. METHODS A systematic review of randomized controlled trials (RCTs) of waiting-room-delivered, self-delivered and brief healthcare-provider-delivered interventions designed to reduce STIs, increase use of home-based STI testing, or reduce STI-risk behavior was conducted. Six databases were searched between January 2000 and October 2014. RESULTS 17,916 articles were screened. 23 RCTs of interventions for young people met our inclusion criteria. Significant STI reductions were found in four RCTs of interventions using brief one-to-one counselling (2 RCTs), video (1 RCT) and a STI home-testing kit (1 RCT). Increase in STI test uptake was found in five studies using video (1 RCT), one-to-one counselling (1 RCT), home test kit (2 RCTs) and a web-based intervention (1 RCT). Reduction in STI-risk behavior was found in seven RCTs of interventions using digital online (web-based) and offline (computer software) (3 RCTs), printed materials (1 RCT) and video (3 RCTs). Ten RCTs of interventions for MSM met our inclusion criteria. Three tested for STI reductions but none found significant differences between intervention and control groups. Increased STI test uptake was found in two studies using brief one-to-one counselling (1 RCT) and an online web-based intervention (1 RCT). Reduction in STI-risk behavior was found in six studies using digital online (web-based) interventions (4 RCTs) and brief one-to-one counselling (2 RCTs). CONCLUSION A small number of interventions which could be used, or adapted for use, in sexual health clinics were found to be effective in reducing STIs among young people and in promoting self-reported STI-risk behavior change in MSM.
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Hyde C, Fortnum H, Ukoumunne O, Ozlin M, Zhelev Z, Long L. P107 Evaluation of school entry hearing screening: findings of an NIHR funded project. Br J Soc Med 2016. [DOI: 10.1136/jech-2016-208064.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Long L, Abraham C. P27 Routine Piloting in Systematic Reviews to Improve Usability: A Case Study. Br J Soc Med 2016. [DOI: 10.1136/jech-2016-208064.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Long L, Wu SG, Yuan F, Wang J, Zhang HJ, Qi GH. Effects of Dietary Octacosanol on Growth Performance, Carcass Characteristics and Meat Quality of Broiler Chicks. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2016; 29:1470-6. [PMID: 27189644 PMCID: PMC5003973 DOI: 10.5713/ajas.15.0879] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 03/19/2016] [Accepted: 04/22/2016] [Indexed: 11/27/2022]
Abstract
Octacosanol, which has prominent physiological activities and functions, has been recognized as a potential growth promoter in animals. A total of 392 1-d-old male Arbor Acres broiler chicks with similar body weight were randomly distributed into four dietary groups of seven replicates with 14 birds each supplemented with 0, 12, 24, or 36 mg octacosanol (extracted from rice bran, purity >92%)/kg feed. The feeding trial lasted for six weeks and was divided into the starter (day 1 to 21) and the grower (day 22 to 42) phases. The results showed that the feed conversion ratio (FCR) was significantly improved in broilers fed a diet containing 24 mg/kg octacosanol compared with those fed the control diet in the overall phase (day 1 to 42, p = 0.042). The average daily gain and FCR both showed linear effects in response to dietary supplementation of octacosanol during the overall phase (p = 0.031 and 0.018, respectively). Broilers fed with 24 or 36 mg/kg octacosanol diet showed a higher eviscerated yield, which increased by 5.88% and 4.26% respectively, than those fed the control diet (p = 0.030). The breast muscle yield of broilers fed with 24 mg/kg octacosanol diet increased significantly by 12.15% compared with those fed the control diet (p = 0.047). Eviscerated and breast muscle yield increased linearly with the increase in dietary octacosanol supplementation (p = 0.013 and 0.021, respectively). Broilers fed with 24 or 36 mg/kg octacosanol diet had a greater (p = 0.021) pH45min value in the breast muscle, which was maintained linearly in response to dietary octacosanol supplementation (p = 0.003). There was a significant decrease (p = 0.007) in drip loss value between the octacosanol-added and the control groups. The drip loss showed linear (p = 0.004) and quadratic (p = 0.041) responses with dietary supplementation of octacosanol. These studies indicate that octacosanol is a potentially effective and safe feed additive which may improve feed efficiency and meat quality, and increase eviscerated and breast muscle yield, in broiler chicks. Dietary supplementation of octacosanol at 24 mg/kg diet is regarded as the recommended dosage in the broilers’ diet.
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Chen Z, Long L, Zheng K, Zhang X, chen H, huang W, Huang W, han D, bai Y, Meng J. Sero-epidemiological investigation on enterovirus 71 among population in Chengdu, China. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Long L, gao L, Hu S, Luo K, Chen Z, Lan Y, Zhou D. The effect of hospital visit behavior on the outcome of severe hand, foot and mouth disease in middle China. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Elenga N, Sicard S, Cuadro-Alvarez E, Long L, Njuieyon F, Martin E, Kom-Tchameni R, Balcaen J, Moreau B, Boukhari R. Pediatric bacterial meningitis in French Guiana. Med Mal Infect 2015; 45:441-5. [PMID: 26607229 DOI: 10.1016/j.medmal.2015.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 06/29/2015] [Accepted: 10/05/2015] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Controlling vaccine-preventable infectious diseases is a public health priority in French Guiana but there is currently no epidemiological data on pediatric bacterial meningitis in this overseas department. Our aim was to describe data related to pediatric bacterial meningitis in French Guiana and compare it with that of metropolitan France. METHODS We conducted a multicenter retrospective study from 2000 to 2010 to describe the clinical picture, biological data, epidemiology, and outcome of pediatric bacterial meningitis case patients in French Guiana. RESULTS The median age of bacterial meningitis patients was 6months [0-15] and the sex ratio 1.06. We observed a total of 60 bacterial meningitis case patients. Most presented with pneumococcal meningitis (24 patients; 40%); 11 with Haemophilus influenzae type b meningitis (23%), five with group B streptococcal meningitis (8.5%), and five others (8.5%) with staphylococcal meningitis (three patients presented with coagulase-negative staphylococci and two with Staphylococcus aureus). Only one patient presented with group B meningococcal meningitis, an 18-month-old infant. We recorded 14 deaths (overall case fatality: 23%); eight were due to Streptococcus pneumoniae (case fatality: 33%). The overall sequelae rate was 28%. It was 32% for patients presenting with pneumococcal meningitis. We observed that 38% of children who had never been vaccinated were infected by a vaccine-preventable bacterium. We observed many differences in the distribution of the bacteria and in the patients' prognosis when comparing the French Guiana data with that of metropolitan France. CONCLUSION Improving vaccination coverage would decrease the incidence of H. influenzae meningitis.
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Li W, Long L, Hoenderdos K, Upton PD, Yang X, Condliffe AM, Chilvers ER, Morrell NW. S2 Vascular Quiescence Factor BMP9 is Regulated by Inflammation and Neutrophil Activation. Thorax 2015. [DOI: 10.1136/thoraxjnl-2015-207770.8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ghannoum M, Isham N, Long L. In vitro antifungal activity of ME1111, a new topical agent for onychomycosis, against clinical isolates of dermatophytes. Antimicrob Agents Chemother 2015; 59:5154-8. [PMID: 26055386 PMCID: PMC4538469 DOI: 10.1128/aac.00992-15] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 06/04/2015] [Indexed: 11/20/2022] Open
Abstract
The treatment of onychomycosis has improved considerably over the past several decades following the introduction of the oral antifungals terbinafine and itraconazole. However, these oral agents suffer from certain disadvantages, including drug interactions and potential liver toxicity. Thus, there is a need for new topical agents that are effective against onychomycosis. ME1111 is a novel selective inhibitor of succinate dehydrogenase (complex II) of dermatophyte species, whose small molecular weight enhances its ability to penetrate the nail plate. In this study, we determined the antifungal activity of ME1111 against dermatophyte strains, most of which are known to cause nail infections, as measured by the MIC (n = 400) and the minimum fungicidal concentration (MFC) (n = 300). Additionally, we examined the potential for resistance development in dermatophytes (n = 4) following repeated exposure to ME1111. Our data show that the MIC90 of ME1111 against dermatophyte strains was 0.25 μg/ml, which was equivalent to that of the comparators amorolfine and ciclopirox (0.25 and 0.5 μg/ml, respectively). ME1111 was fungicidal at clinically achievable concentrations against dermatophytes, and its MFC90s against Trichophyton rubrum and Trichophyton mentagrophytes were 8 μg/ml, comparable to those of ciclopirox. Furthermore, ME1111, as well as ciclopirox, did not induce resistance in 4 dermatophytes tested. Our studies show that ME1111 possesses potent antifungal activity and suggest that it has low potential for the development of resistance in dermatophytes.
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Long L, Song Y, Xu L, Xiao B. Levamisole-induced leukoencephalopathy mimicking Balo disease. Neurology 2015; 84:328. [DOI: 10.1212/wnl.0000000000001150] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Liu Y, Shen T, Zhang C, Long L, Duan Z, Lu F. HIV co-infection accelerates decay of humoral responses in spontaneous resolvers of HCV infection. J Viral Hepat 2014; 21:690-5. [PMID: 24861885 PMCID: PMC4263235 DOI: 10.1111/jvh.12238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 12/17/2013] [Indexed: 01/07/2023]
Abstract
Acute hepatitis C virus (HCV) infection is primarily followed by chronic infection, while spontaneous recovery of HCV infection (SR-HCV) occurs in a minority of those infected. Identification of SR-HCV clinically depends on two combined indicators, persistently undetectable peripheral HCV RNA and positivity for anti-HCV. However, the characteristics of dynamic variation in anti-HCV antibodies in SR-HCV, especially in those patients co-infected with HIV, are still undefined. In this study, a cohort of patients infected with HCV through commercial blood collection practices was studied. We found that the annual decreasing rate of anti-HCV presented a gradually accelerated process in HCV resolvers. However, the variation in the decline of anti-HCV presented a slowly accelerated process within the early decrease stage and a gradually decelerated process within the latter decrease stage. In addition, we deduced that it expended approximately 16 years from natural HCV recovery to undetectable peripheral anti-HCV in HCV resolvers co-infected with HIV, while this time was estimated to be 20 years in SR-HCV without HIV co-infection. Our data indicated that the decay of anti-HCV was accelerated by HIV-related impairment of immune function. The prevalence of HCV infection may be severely underestimated in this large-scale retrospective epidemiologic investigation in an HIV-infected population.
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Crathorne L, Huxley N, Haasova M, Snowsill T, Jones-Hughes T, Hoyle M, Briscoe S, Coelho H, Long L, Medina-Lara A, Mujica-Mota R, Napier M, Hyde C. What is the Clinical Effectiveness of Erythropoiesis Stimulating Agents for the Treatment of Cancer Treatment-Induced Anaemia? Ann Oncol 2014. [DOI: 10.1093/annonc/mdu356.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Tan L, Cheng L, Yan W, Zhang J, Xu B, Diwan V, Dong H, Palm L, Wu Y, Long L, Tian Y, Nie S. Using daily syndrome-specific absence data for early detection of school outbreaks: a pilot study in rural China. Public Health 2014; 128:792-8. [DOI: 10.1016/j.puhe.2014.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2012] [Revised: 01/30/2013] [Accepted: 06/03/2014] [Indexed: 11/25/2022]
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Villemain O, Bretonneau A, Gueneret M, Long L, Rosenthal J, Bonnet D, Lucron H. Coding 299 fetal hearts scans using one single item from ACC-CHD and IPCCC lists: Limits, results, and comparison of discordances related to professional experience. Arch Cardiovasc Dis 2014. [DOI: 10.1016/j.acvd.2014.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Guan J, Long L, Chen YQ, Yin Y, Li L, Zhang CX, Deng L, Tian LH. Effects of beraprost sodium on renal function and inflammatory factors of rats with diabetic nephropathy. GENETICS AND MOLECULAR RESEARCH 2014; 13:4154-8. [PMID: 25036159 DOI: 10.4238/2014.june.9.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Beraprost sodium (BPS) is a prostaglandin analogue. We investigated its effects on rats with diabetic nephropathy. There were 20 rats each in the normal control group (NC), the diabetic nephropathy group (DN), and the BPS treatment group. The rats in DN and BPS groups were given a high-fat diet combined with low-dose streptozotocin intraperitoneal injections. The rats in the BPS group were given daily 0.6 mg/kg intraperitoneal injections of this drug. After 8 weeks, blood glucose, 24-h UAlb, Cr, BUN, hs-CRP, and IL-6 levels increased significantly in the DN group compared with the NC group; however, the body mass was significantly reduced in the DN group compared with the NC group. Blood glucose, urine output, 24-h UAlb, Cr, hs-CRP, and IL-6 levels were significantly lower in the BPS group than in the DN group; the body mass was significantly greater in the DN group. Therefore, we concluded that BPS can improve renal function and protect the kidneys of DN rats by reducing oxidative stress and generation of inflammatory cytokines; it also decreases urinary protein excretion of rats with diabetic nephropathy.
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Rout ED, WEBB TL, Laurence HM, Long L, Olver CS. Transferrin receptor expression in serum exosomes as a marker of regenerative anaemia in the horse. Equine Vet J 2014; 47:101-6. [DOI: 10.1111/evj.12235] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Accepted: 01/26/2014] [Indexed: 12/29/2022]
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Fang Y, Shen H, Cao Y, Li H, Qin R, Chen Q, Long L, Zhu XL, Xie CJ, Xu WL. Involvement of miR-30c in resistance to doxorubicin by regulating YWHAZ in breast cancer cells. Braz J Med Biol Res 2014; 47:60-9. [PMID: 24519092 PMCID: PMC3932974 DOI: 10.1590/1414-431x20133324] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Accepted: 10/15/2013] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) are small RNA molecules that modulate gene expression implicated in cancer, which play crucial roles in diverse biological processes, such as development, differentiation, apoptosis, and proliferation. The aim of this study was to investigate whether miR-30c mediated the resistance of breast cancer cells to the chemotherapeutic agent doxorubicin (ADR) by targeting tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein zeta (YWHAZ). miR-30c was downregulated in the doxorubicin-resistant human breast cancer cell lines MCF-7/ADR and MDA-MB-231/ADR compared with their parental MCF-7 and MDA-MB-231 cell lines, respectively. Furthermore, we observed that transfection of an miR-30c mimic significantly suppressed the ability of MCF-7/ADR to resist doxorubicin. Moreover, the anti-apoptotic gene YWHAZ was confirmed as a target of miR-30c by luciferase reporter assay, and further studies indicated that the mechanism for miR-30c on the sensitivity of breast cancer cells involved YWHAZ and its downstream p38 mitogen-activated protein kinase (p38MAPK) pathway. Together, our findings provided evidence that miR-30c was one of the important miRNAs in doxorubicin resistance by regulating YWHAZ in the breast cancer cell line MCF-7/ADR.
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Ghannoum MA, Hossain MA, Long L, Mohamed S, Reyes G, Mukherjee PK. Evaluation of Antifungal Efficacy in an Optimized Animal Model ofTrichophytonmentagrophytes-Dermatophytosis. J Chemother 2013; 16:139-44. [PMID: 15216947 DOI: 10.1179/joc.2004.16.2.139] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Dermatophytoses are known to cause considerable discomfort, cosmetic problems and financial loss that have been recognized as a significant health concern worldwide. Since currently available antifungal agents have limitations in their efficacy, new agents are being developed. This study was undertaken to optimize an in vivo model of experimental dermatophytosis for evaluation of the efficacy of antifungal compounds. Guinea pigs were infected with different inocula of T. mentagrophytes to establish dermatophytosis. The optimal conditions for dermatophytosis in guinea pigs were found to be an inoculum size of 1 x 10(7) fungal cells applied on abraded skin. After optimization, animals were treated with oral or topical formulations of terbinafine. The optimized guinea pig model was found to be highly reproducible, and useful in the primary screening and evaluation of the anti-dermatophytic efficacy of topical and oral formulations of antifungal agents.
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Garcia S, Hartkamp LM, Tang MW, van Es I, Lin H, Long L, Masteller EL, Wong BR, Tak PP, Reedquist KA. THU0042 Colony-Stimulating Factor (CSF) Receptor 1 Blockade Overcomes Overlapping Effects of M-CSF and Interleukin-34 on Myeloid Differentiation and Gene Expression to Reduce Inflammation in Human and Murine Models of Rheumatoid Arthritis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Zhu S, Zhang H, Dong Y, Xu Z, Chen D, Wang L, Gan Y, Wang F, Wang Y, Xing X, Hu S, Li Z, Long L, Liu L, Zhong Y. The correlation between T helper type 17 cells and clinical characters in Chinese paediatric patients with chronic hepatitis B. Clin Exp Immunol 2013; 171:307-12. [PMID: 23379437 DOI: 10.1111/cei.12028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2012] [Indexed: 12/15/2022] Open
Abstract
Interleukin (IL)-17-mediated immune response has been shown to play a critical role in inflammation-associated disease. However, its role in the pathogenesis of chronic hepatitis B virus (HBV) in paediatric patients remains unknown. We investigated the frequency of T helper type 17 (Th17) cells and evaluated the association between the Th17 and clinical characters in paediatric patients with chronic hepatitis B (CHB). The frequency of Th17 cells was detected by flow cytometry analyses from 65 paediatric patients with CHB and nine healthy controls. The degree of hepatic inflammation was graded using the histological activity index (HAI). Compared with healthy controls, the frequency of Th17 cells in peripheral blood was significantly higher in paediatric patients with CHB. The proportion of Th17 cells was higher in the patients with higher HAI score (G2-G3) compared to those subjects with lower HAI score (G0-G1), but the frequency of Th17 cells had no correlation with serum HBV DNA loads or alanine aminotransferase levels. Compared with the younger age group (age 1-6 years), Th17 cell frequency was higher in the older age group (age 7-18 years). Peripheral Th17 cell frequency is associated closely with inflammation activity of liver tissues in paediatric patients with CHB.
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Upton PD, Davies RJ, Tajsic T, Long L, Crosby A, Morrell NW. S38 TGF-Beta1 Negatively Regulates BMP4 Signalling in Human Pulmonary Artery Smooth Muscle Cells Via A Smad3-Dependent Mechanism. Thorax 2012. [DOI: 10.1136/thoraxjnl-2012-202678.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Long L, Nie S, Jin Y, Yan W, Wei S, Tan L, Cheng L, Wu Y. Dengue in Hainan: can we relax now? Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Wu FX, Luo XY, Wu LJ, Yang MH, Long L, Liu NT, Zhou B, Zeng XF, Yang CD, Yuan GH. Association of chemokine CXCL12-3'G801A polymorphism with systemic lupus erythematosus in a Han Chinese population. Lupus 2012; 21:604-10. [PMID: 22311941 DOI: 10.1177/0961203311435266] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
CXCL12, also known as stromal cell-derived factor (SDF-1), is a CXC chemokine. Recent reports have shown that CXCL12 might play key roles in a murine model of lupus and in patients with systemic lupus erythematosus (SLE). A common variant at position 801 in 3'-untranslated region in CXCL12 gene (designated CXCL12-3'G801A) has been reported in association with autoimmune diseases, such as type 1 diabetes and systemic sclerosis. We investigated the influence of CXCL12-3'G801A polymorphism on susceptibility to SLE by genotyping this single nucleotide polymorphism in 422 SLE patients and 374 healthy controls. The frequency of G/G homozygote was observed in 60.0% of SLE patients and in 52.7% of healthy individuals (χ(2 )= 4.275, p = 0.039). Compared with patients with G/A and A/A genotype, SLE patients with G/G genotype were also more prone to developing photosensitivity (χ(2 )= 6.778, p = 0.034), renal damage (χ(2 )= 6.388, p = 0.041) and to producing antibodies against nucleosomes (χ(2 )= 8.341, p = 0.015). Moreover, the plasma level of CXCL12α was also significantly increased in patients with G/G homozygote than in healthy controls carrying the same genotype [(4067.0 ± 1092.3) pg/ml vs. (3278.5 ± 547.4) pg/ml, p = 0.002]. Our results suggest that polymorphism in CXCL12-3'G801A might be a genetic risk factor for developing SLE. The association of G/G homozygote with nephritis and skin damage developed in SLE patients might be due to its effects upon the production of auto-antibodies and CXCL12 protein.
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