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Advanced glycation end product:A potential biomarker for risk stratification of non-alcoholic fatty liver disease in ELSA-Brasil study

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World Journal of Gastroenterology 2021年第29期27卷 4913-4928页

作者： evelyn nunes goulart da silva pereira daniela Polessa Paula Beatriz Peres de Araujo Maria de Jesus Mendes da Fonseca Maria de Fátima Haueisen Sander Diniz Anissa daliry Rosane Harter Griep Laboratory of Cardiovascular Investigation Oswaldo Cruz FoundationRio de Janeiro 21040-360Brazil National School of Statistical Sciences Brazilian Institute of Geography and StatisticsRio de Janeiro 20231-050Brazil Department of Epidemiology and Quantitative Methods in Health Oswaldo Cruz FoundationRio de Janeiro 21040-360Brazil Faculty of Medicine Universidade Federal de Minas GeraisMinas Gerais 31270-901Brazil Laboratory of Health and Environment Education Oswaldo Cruz FoundationRio de Janeiro 21040-360Brazil

BACKGROUND Liver diseases are associated with the excess formation of advanced glycation end products(AGEs),which induce tissue inflammation and oxidative ***,the trend of oxidative marker levels according to the steatosis grade in non-alcoholic fatty liver disease(NAFLD)is *** To compare serum AGE levels between participants with NAFLD accordingly to steatosis severity in the baseline ELSA-Brasil *** In 305 individuals at baseline ELSA-Brasil,NAFLD-associated steatosis was classified by ultrasound hepatic *** participants were grouped according to the severity of steatosis:mild and moderate/severe *** measurement of serum fluorescent AGE concentrations was based on spectrofluorimetric *** AGE content and clinical and laboratory characteristics of the participants were compared between *** correlation between serum AGE levels and the grade of steatosis was *** regression analysis was used to investigate the relationship between serum AGE levels and steatosis severity.A P value<0.05 was considered statistically *** According to the steatosis severity spectrum in NAFLD,from mild to moderate/severe,individuals with the most severe steatosis grade had a higher incidence of metabolic syndrome(63%vs 34%,P≤0.001),diabetes mellitus(37%vs 14%,P≤0.001),and high cholesterol levels(51%vs 33%,P<0.001).Moreover,individuals with increasing severity of steatosis presented increasing waist circumference,body mass index,systolic and diastolic blood pressure,fasting blood glucose,glycated hemoglobin,insulin,triglycerides,alanine aminotransferase,gamma-glutamyl transferase,C-reactive protein,and uric acid levels and lower high-density *** serum AGE content was present in the moderate/severe group of individuals than in the mild group(P=0.008).In addition,the serum AGE levels were correlated with the steatosis grade in the overall sample(rho=0.146,P=0.010).Logistic regres

关键词： Advanced glycation end products Non-alcoholic fatty liver disease Steatosis ELSA-Brasil study Spectroscopy

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Sarcopenia and Anemia Are Predictors of Poor Prognostic in Cervical Cancer Patients

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Open Journal of Obstetrics and Gynecology 2024年第5期14卷 693-704页

作者： Leandro Santos de Araujo Resende Francine Vilela de Amorim Miguel Soares Conceição Rodrigo Menezes Jales Patrick nunes pereira Luis Otávio Sarian Glauco Baiocchi Sophie Derchain Agnaldo Lopes da silva Filho Department of Gynecology and Obstetrics Botucatu Medical School S&#227o Paulo State University UNESP S&#227o Paulo Brazil Department of Health Sciences University of Sao Francisco S&#227o Paulo Brazil Department of Obstetrics and Gynecology School of Medical Science State University of Campinas (UNICAMP) Campinas Brazil Department of Gynecologic Oncology AC Camargo Cancer Center Sao Paulo Brazil Department of Gynecology and Obstetrics School of Medicine of the Federal University of Minas Gerais Belo Horizonte Brazil

Objective: Evaluate pretreatment sarcopenia and anemia as prognostic factors in women undergoing treatment for cervical cancer (CC) with concurrent chemoradiotherapy (CCRT). Methods: 151 women with CC were analysed in this cohort study. Pretreatment computed tomography (CT) images were analysed to assess skeletal muscle index (SMI). Hazard ratios (HR) and multivariate Cox proportional HR were used to analyse association between low SMI, age, body mass index (BMI), haemoglobin levels, histological type, and International Federation of Gynaecology and Obstetrics (FIGO) stage with PFS and OS. Results: A total of 151 patients were included, 53 (35.1%) presented pretreatment sarcopenia;51 (34%) stage I/II and 100 (66%) stage III/IV. Among those patients in advanced stage (III/IV) 37 (70%) (p = 0.28) were sarcopenic at the beginning of treatment. Sarcopenia was associated with worse progression-free survival (PFS) and overall survival (OS) in our cohort [HR 0.97 (p = 0.01)] [HR 0.73 (p = 0.001)], as well as anemia [HR 0.73 (p = 0.001)] [HR 0.78 (p = 0.001)]. Linear regression models indicated that despite showing no association with age, neutrophil or platelet counts, sarcopenia was associated with pretreatment anemia levels (p = 0.01). After a multivariate analysis, only haemoglobin (anemia) and complete CCRT remained associated with PFS and OS. Sarcopenia and anemia were associated with worse PFS and OS in FIGO stage I/II. Conclusion: Pretreatment sarcopenia was significantly associated with low haemoglobin levels. Anemia and incomplete CCRT were independently associated with poor prognosis in women with CC. Pretreatment sarcopenia, as low SMI, was a predictor of poor prognostic in early stages of CC.

关键词： Cervical Cancer Sarcopenia Anemia Chemoradiotherapy

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Engineering Improved Photosynthesis in the Era of Synthetic Biology

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Plant Communications 2020年第2期1卷 1-17页

作者： Willian Batista-silva Paula da Fonseca-pereira Auxiliadora Oliveira Martins Agustin Zsogon Adriano nunes-Nesi Wagner L.Araujo Departamento de Biologia Vegetal Universidade Federal de Vic¸osaVic¸osaMinas Gerais 36570-900Brazil

Much attention has been given to the enhancement of photosynthesis as a strategy for the optimization of crop *** traditional plant breeding is most likely reaching a plateau,there is a timely need to accelerate improvements in photosynthetic efficiency by means of novel tools and biotechnological *** emerging field of synthetic biology offers the potential for building completely novel pathways in predictable directions and,thus,addresses the global requirements for higher yields expected to occur in the 21st ***,we discuss recent advances and current challenges of engineering improved photosynthesis in the era of synthetic biology toward optimized utilization of solar energy and carbon sources to optimize the production of food,fiber,and fuel.

关键词： photosynthesis synthetic biology genetic engineering yield improvement targeted manipulation

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Microcephaly prevalence after the 2015 to 2016 Zika outbreak in Tangará da Serra, Brazil: a population-based study

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Reproductive and Developmental Medicine 2022年第2期6卷 98-103页

作者： Juliana Herrero da silva Ana Claudia pereira Tercas-Trettel Juliano Andre Boquett Giovanny Vinicius Araujo Franca Augusto Cesar Cardoso-dos-Santos Marina Atanaka Marcelo Zagonel Oliveira Anna Pires Terra Viviane Karoline Vivi Lucia Andreia nunes de Oliveira Lucia Schaedler Ronaldo Fernandes Santos Alves Lavinia Schuler-Faccini Prefeitura Municipal de Tangara da Serra Secretaria de SaudeVigilancia EpidemiologicaTangara da SerraBrazil Programa de Pos-Graduacao em Genetica e Biologia Molecular Universidade Federal do Rio Grande do SulPorto AlegreBrazil Universidade do Estado de Mato Grosso Tangara da SerraBrazil Programa de Pos-Graduagcao em Saude Coletiva Universidade Federal de Mato GrossoCuiabaBrazil Instituto Nacional de Genetica Medica Populacional-INaGeMP Servico de Genetica MedicaHospital de Clinicas de Porto Alegre(HCPA)Porto AlegreBrazil Programa de Pos-Graduacao em Saude da Crianga e do Adolescente Universidade Federal do Rio Grande do SulPorto AlegreBrazil Secretaria de Vigilancia em Saude Ministerio da SaudeBrasiliaBrazil Laboratorio de Visualizacao Avangada e Geoinformatica(VIZLab) Programa de Pos-Graduacao em Computacao AplicadaUniversidade do Vale do Rio dos SinosSao LeopoldoBrazil Programa de Pos-Graduacao em Ciencia da Informacao Universidade Federal do Rio Grande do SulPorto AlegreBrazil Clinica Santa Luzia Tangara da SerraBrazil

Objective::Prenatal infection with the Zika virus (ZIKV) can lead to congenital Zika syndrome (CZS), characterized by microcephaly and brain injury. However, there are questions regarding the prevalence of microcephaly/CZS after the ZIKV outbreak in defined geographic areas. This study aimed to identify adverse outcomes in live births of fetuses exposed in utero to the ZIKV, compared to unexposed births, as well as maternal sociodemographic, delivery, and birth ***::Here, we conducted a cross-sectional observational study to investigate the characteristics of all live births in the city of Tangará da Serra, Mato Grosso, Brazil, in 2016, after the outbreak of ZIKV infection in late 2015. All live births of children to women residing in the municipality of Tangará da Serra between January 1 and December 31, 2016, were evaluated, and head circumference was measured at birth and after 24 hours. Children born with microcephaly or a maternal history of confirmed or suspected prenatal ZIKV infection were evaluated by a multidisciplinary team. The outcomes of the exposed and non-exposed children were compared. Prevalence ratios and their respective 95% confidence intervals were calculated for sociodemographic, delivery, and live birth ***::Of 1,441 live births, 106 (7.3%) were from mothers with confirmed or highly probable exposure to ZIKV. The prevalence of severe congenital microcephaly (41.7/10,000) in Tangará da Serra in 2016 was ten-fold higher than that in Latin America before ***::This study may serve as a model to investigate possible outbreaks of infections in a defined geographical space in the future.

关键词： Epidemiology Live births Microcephaly Zika virus

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Effects of the use of bioceramic wraps in patients with lower limb venous ulcers:A randomized double-blind placebo-controlled trial

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Journal of Integrative Medicine 2020年第1期18卷 26-34页

作者： Gerli E.G.Herr Fábio goulart da silva Francisco Jose Cidral-Filho Fabricia Petronilho Lucinéia Gainski danielski Mariana pereira de Souza Goldim Afonso Shiguemi Inoue Salgado Franciane Bobinski daniel Fernandes Martins Eliane R.Winkelmann Integral Health Care Regional University of the Northwest of the State of Rio Grande do Sul(UNIJUí)and University of Cruz Alta(UNICRUZ)Ijuí98700-000RSBrazil Experimental Neuroscience Laboratory(LaNEx) University of Southern Santa CatarinaPalhoca 88137-270SCBrazil Laboratory of Neurobiology of Inflammatory and Metabolic Processes University of Southern Santa CatarinaTubarao 88704-900SCBrazil Integrative Physical Therapy Residency Philadelphia University CenterLondrina 86020-000PRBrazil Laboratory of Exercise Physiopathology Department of Life Sciences(DCVida)Regional University of the Northwest of the State of Rio Grande do Sul(UNIJUí)Ijuí98700-000RSBrazil

Background:Venous ulcer represents the most advanced stage of chronic venous *** is an important public health problem and has a significant impact on patients’quality of life due to chronic pain,inability to work,need for hospitalization and frequent outpatient ***:We investigated the treatment benefits of far-infrared ceramic(cFIR),in a 90-day study of lower limb venous ulcers and looked at ulcer healing scores,quality of life,serum bio-markers of oxidative stress and antioxidant defense ***,setting,participants and interventions:This is a randomized double-blind placebo-controlled study conducted in the Vascular Surgery Service of a hospital located in the northwest region of the State of Rio Grande do Sul,*** included patients with lower limb venous ulcers who were randomized to use either a bioceramics wrap or a placebo wrap for 90 *** outcome measures:The following evaluations were conducted at baseline and after 15,30,60 and90 days:ulcer healing score,quality of life,and serum markers of oxidative stress and antioxidant enzyme ***:Patients(n=24)with lower limb venous ulcers were randomized into two treatment *** decreased the ulcer size on day 30(P=0.042)and 90(P=0.034)and the total ulcer healing scale scores on day 30(P=0.049)and 90(P=0.02)of the treatment,when compared to ***,cFIR improved tissue type(epithelial tissue)on day 60(P=0.022)when compared to baseline ***:cFIR clinically improved ulcer healing in patients with lower limb venous *** registration:RBR-8c7xzn on ReBEC.

关键词： Far-infrared radiation Quality of life Oxidative stress Wound healing Randomized controlled trial Bioceramic wrap

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Clusia nemorosa的叶提取物通过肾上腺素系统依赖机制对大鼠的镇痛作用(英文)

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中国天然药物 2013年第4期11卷 385-390页

作者： Jamylle nunes de Souza Ferro Juliane pereira da silva Lucia Maria Conserva Emiliano Barreto Laboratório de Biologia Celular Universidade Federal de AlagoasMaceió 57072-970ALBrazil Laboratório de Pesquisa em Química dos Produtos Naturais Universidade Federal de AlagoasMaceió 57072-970ALBrazil

Previous studies on the genus Clusia have shown anti-inflammatory and antiproliferative effects of the leaf extracts,but its antinociceptive activity has never been *** the present study,the antinociceptive activity of the hexane extract of the leaves of Clusia nemorosa ***,called HECn,was *** activity was evaluated using acetic acid-induced writhing,formalin,and hot-plate *** experiments were carried out on male Swiss *** extract(1 400 mg kg 1),given by intraperitoneal route(i.p.) 1 h prior to testing,produced a dose-dependent inhibition on the number of abdominal writhings,with an ID50 of 62 mg kg *** addition,HECn was able to prevent the visceral pain induced by acetic acid in mice for at least 2 *** the formalin test,HECn had no effect in the first phase,but produced an analgesic effect on the second phase with the inhibition of licking *** HECn did not show a significant analgesic effect in the hot plate *** with yohimbine attenuated the antinociceptive effect induced by HECn in the writhing ***,naloxone,atropine,or haloperidol did not affect antinociception induced by HECn in the writhing ***,these results indicate that the extract from the leaves of Clusia nemorosa produces antinociception in models of chemical pain through mechanisms that suggest participation of the adrenergic systems pathway.

关键词：实验药理学药理病理作用天然药物

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Carcass image segmentation using CNN-based methods

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Information Processing in Agriculture 2021年第4期8卷 560-572页

作者： Diogo nunes Goncalves Vanessa Aparecida de Moares Weber Julia Gindri Bragato Pistori Rodrigo da Costa Gomes Anderson Vicoso de Araujo Marcelo Fontes pereira Wesley nunes Goncalves Hemerson Pistori Federal University of Mato Grosso do Sul Av.Costa e Silvas/nBairro UniversitarioCampo GrandeMS 79070-900Brazil INOVISAO Dom Bosco Catholic UniversityAvenida Tamandare6000CP 100Jardim SeminarioCampo GrandeMS 79117-900Brazil EMBRAPA Gado de Corte Av.Radio Maia830Vila PopularCampo GrandeMS 79106-550Brazil State University of Mato Grosso do Sul Av.Dom Antonio Barbosa4155Vila Santo AmaroCampo GrandeMS 79115-898Brazil

Carcass grading can be used as an important metric to determine meat ***,carcass grading is usually performed by a specialist,making it a subjective and errorprone *** increase the accuracy of such task,image-based systems have been proposed in the *** of the most important parts of an image-based system is the image segmentation,which aims to identify the regions of the carcass in the *** this paper,we propose the use of two recent image segmentation methods called Superpixel+CNN(Convolutional Neural Network)and *** evaluate both methods,we have also built a dataset of carcass images and their *** of approximately 96%of pixel accuracy show the robustness of the methods in carcass image *** novelty of this work is the proposal and comparison of recent deep learning methods that use CNN and superpixels in carcass *** this way,the methods can be used in carcass grading systems to increase the accuracy of the grading task.

关键词： Carcass grading Image segmentation Convolutional neural networks Superpixels

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Comparison of morphological and functional outcomes of mouse sciatic nerve repair with three biodegradable polymer conduits containing poly (lactic acid)

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Neural Regeneration Research 2018年第10期13卷 1811-1819页

作者： Fernanda Marques Pestana Rui C.C.Domingues Júlia Teixeira Oliveira daniela F.P.A.Durco Camila Oliveira goulart Henrique Rocha Mendonca Anne Caroline Rodrigues dos Santos Natália Tavares de Campos Beatriz Theodoro da silva Cristina Cardoso pereira Cristiano Piacsek Borges Ana Maria Blanco Martinez Pós Graduacao em Ciências Morfológicas Instituto de Ciências Biomédicas-UFRJRio de Janeiro RJ Brazil Anatomia Patológica-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Laboratório de Neurodegeneracao e Reparo-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Programa de Eng. Química COPPE-UFRJRio de Janeiro Brazil Polo Universitário de Macaé Laboratório Integrado de Produtos Bioativos e BiociênciasMacaê UFRJ Brazil

Poly（lactic acid）（PLA）-containing nerve guidance conduits（NGCs） are currently being investigated for nerve repair as an alternative to autograft, which leads to permanent functional impairment in the territory innervated by the removed nerve. Combination of polymers modifies the physical properties of the conduits, altering their nerve-guidance properties. Conduits made from PLA-only or combined with other polymers have been used successfully for nerve repair, but their efficiency has not been compared. We compared the morphological and functional outcomes of peripheral nerve repair by using NGCs made of poly（lactic acid） and combined or not with polycaprolactone（PLA/PCL） or polyvinylpyrrolidone（PLA/PVP）. To assess the functional recovery, we employed a mechanical hyperalgesia analysis, sciatic functional index（SFI）, and electroneuromyography. The mechanical hyperalgesia analysis showed that the PLA group improved more rapidly than the PLA/PVP and PLA/PCL groups; similarly, in the electroneuromyography assay, the PLA group exhibited higher amplitude than the PLA/PCL and PLA/PVP groups. However, the SFI improvement rates did not differ among the groups. Morphologically, the PLA group showed more vascularization, while the nerve fiber regeneration did not differ among the groups. In conclusion, the PLA-only conduits were superior to the other NGCs tested for nerve repair.

关键词： sciatic nerve tubulization biodegradable conduit poly(lactic acid) regeneration

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Risk Factors Associated with Acinetobacter baumannii Infections in Patients in an Intensive Care Unit of a Public Hospital in Paraná

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Advances in Infectious Diseases 2022年第1期12卷 90-105页

作者： Mirian Carla Bortolamedi da silva Maria Helena Brandeleiro Werlang Valdir Spada Júnior Guilherme Welter Wendt Ana Paula Vieira Franciele Ani Caovilla Follador Léia Carolina Lucio Cleide Viviane Busanello Martins Kérley Braga pereira Bento Casaril Paulo Cezar nunes Fortes Lirane Elize Defante Ferreto Post-Graduante Program Health Sciences University of Wester Paraná (UNIOESTE) Francisco Beltr&#227 o Brazil State of the Health of Paraná (SESA-PR) Francisco Beltr&#227 o Brazil

To identify risk factors for A. baumannii infection in patients hospitalized in an Intensive Care Unit (ICU) of a tertiary public hospital in Paraná, Brazil, a retrospective paired case-control study (ratio 1:2) was conducted from January 2018 to December 2020. Patients in the case group were hospitalized in the ICU with A. baumanni (n = 68 cases) and were compared with patients in the control group, without infection by A. baumannii (n = 136). Both were matched by age (±10 years), sex, and ICU stay (±5 days). Conditional multiple logistic regression was used to determine statistically significant risk factors based on the results of bivariate analyses. Mortality was higher in infected (cases) than in non-infected patients (51.5% vs. 39.7%). The incidence and bacterial resistance increased annually. At bivariate analysis, cases had longer hospital stays (median 35 vs. 22 days, p A. baumannii and antimicrobial resistance. There is need for surveillance, and constant evaluation of control actions. Risk factors were colonization, previous hospitalization, and hospitalization time. This is essential for the decision-making of professionals and optimization of prevention, control, and therapeutic management actions.

关键词： Acinetobacter baumannii Risk-Factors Infection Intensive Care

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Functional biomarker signatures of circulating T-cells and its association with distinct clinical status of leprosy patients and their respective household contacts

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Infectious Diseases of Poverty 2020年第6期9卷 5-15页

作者： Pedro Henrique Ferreira Marçal Rafael silva Gama Lorena Bruna pereira de Oliveira Olindo Assis Martins-Filho Roberta Olmo Pinheiro Euzenir nunes Sarno Milton Ozório Moraes Lucia Alves de Oliveira Fraga Universidade Vale do Rio Doce–Univale Governador ValadaresMGBrazil Grupo Integrado de Pesquisas em Biomarcadores Institute Rene RachouFIOCRUZ-MinasBelo HorizonteMGBrazil Laboratorio de Hanseniase Instituto Oswaldo CruzFundagao Oswaldo Cruz-FIOCRUZ-RJRio de JaneiroRJBrazil Nucleo de Pesquisa em Hansenologia Universidade Federal de Juiz de ForaInstituto de Ciencias da VidaCam pus Governador ValadaresRua Sao Paulo582-CentroGovernador ValadaresMG 30190-002Brazil

Background: Leprosy is a chronic infectious disease classified into two subgroups for therapeutic purposes:paucibacillary(PB)and multibacillary(MB),closely related to the host immune *** this context it is noteworthy looking for immunological biomarkers applicable as complementary diagnostic tools as well as a laboratorial strategy to follow-up leprosy household ***:: The cross-sectional study enrolled 49 participants,including 19 patients and 30 healthy *** blood mononuclear cells(PBMC)were isolated and incubated in the presence of Mycobacterium leprae *** cells were prepared for surface(CD4+and CD8+)and intracytoplasmic cytokine staining(IFN-γ,IL-4 and IL-10).Multiple comparisons amongst groups were carried out by ANOVA,Kruskal–Wallis,Student T or Mann–Whitney *** analysis of categorical variables was performed by *** biomarker signature analysis was conducted using the global median values for each biomarker index as the cut-off edge to identify the proportion of subjects with high biomarker ***: The cytokine signature analysis demonstrated that leprosy patients presented a polyfunctional profile of T-cells subsets,with increased frequency of IFN-γ+T-cell subsets along with IL-10+and IL-4+from CD4+T-cells,as compared to health Controls(Venn diagram report).Moreover,statistical analysis was carried out using parametric or non-parametric variance analysis followed by pairwise multiple comparisons,according to the data normality distribution.L(PB)displayed a polyfunctional profile characterized by enhanced percentage of IFN-γ+,IL-10+and IL-4+produced by most T-cell subsets,as compared to L(MB)that presented a more restricted cytokine functional profile mediated by IL-10+and IL-4+T-cells with minor contribution of IFN-γproduced by CD4+*** was that HHC(MB)exhibited enhanced frequency of IFN-γ+T-cells,contrasting with HHC(PB)that presented a cytokine profile limited t

关键词： Leprosy Mycobacterium leprae Cytokines Household contacts

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