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Cassinotti E, Al-Taher M, Antoniou SA, Arezzo A, Baldari L, Boni L, Bonino MA, Bouvy ND, Brodie R, Carus T, Chand M, Diana M, Eussen MMM, Francis N, Guida A, Gontero P, Haney CM, Jansen M, Mintz Y, Morales-Conde S, Muller-Stich BP, Nakajima K, Nickel F, Oderda M, Parise P, Rosati R, Schijven MP, Silecchia G, Soares AS, Urakawa S, Vettoretto N. European Association for Endoscopic Surgery (EAES) consensus on Indocyanine Green (ICG) fluorescence-guided surgery. Surg Endosc 2023; 37:1629-1648. [PMID: 36781468 PMCID: PMC10017637 DOI: 10.1007/s00464-023-09928-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [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: 12/30/2022] [Accepted: 01/28/2023] [Indexed: 02/15/2023]
Abstract
BACKGROUND In recent years, the use of Indocyanine Green (ICG) fluorescence-guided surgery during open and laparoscopic procedures has exponentially expanded across various clinical settings. The European Association of Endoscopic Surgery (EAES) initiated a consensus development conference on this topic with the aim of creating evidence-based statements and recommendations for the surgical community. METHODS An expert panel of surgeons has been selected and invited to participate to this project. Systematic reviews of the PubMed, Embase and Cochrane libraries were performed to identify evidence on potential benefits of ICG fluorescence-guided surgery on clinical practice and patient outcomes. Statements and recommendations were prepared and unanimously agreed by the panel; they were then submitted to all EAES members through a two-rounds online survey and results presented at the EAES annual congress, Barcelona, November 2021. RESULTS A total of 18,273 abstracts were screened with 117 articles included. 22 statements and 16 recommendations were generated and approved. In some areas, such as the use of ICG fluorescence-guided surgery during laparoscopic cholecystectomy, the perfusion assessment in colorectal surgery and the search for the sentinel lymph nodes in gynaecological malignancies, the large number of evidences in literature has allowed us to strongly recommend the use of ICG for a better anatomical definition and a reduction in post-operative complications. CONCLUSIONS Overall, from the systematic literature review performed by the experts panel and the survey extended to all EAES members, ICG fluorescence-guided surgery could be considered a safe and effective technology. Future robust clinical research is required to specifically validate multiple organ-specific applications and the potential benefits of this technique on clinical outcomes.
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Affiliation(s)
- E Cassinotti
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy.
| | - M Al-Taher
- Research Institute Against Digestive Cancer (IRCAD), Strasbourg, France
| | - S A Antoniou
- Department of Surgery, Papageorgiou General Hospital, Thessaloniki, Greece
| | - A Arezzo
- Department of Surgical Sciences, University of Torino, Turin, Italy
| | - L Baldari
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy
| | - L Boni
- Department of General and Minimally Invasive Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, University of Milan, Via Francesco Sforza 35, 20121, Milan, Italy
| | - M A Bonino
- Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
| | - N D Bouvy
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - R Brodie
- Department of General Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - T Carus
- Niels-Stensen-Kliniken, Elisabeth-Hospital, Thuine, Germany
| | - M Chand
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, UK
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - M Diana
- IHU Strasbourg, Institute of Image-Guided Surgery and IRCAD, Research Institute Against Cancer of the Digestive System, Strasbourg, France
| | - M M M Eussen
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - N Francis
- Department of General Surgery, Yeovil District Hospital NHS Foundation Trust, Yeovil, UK
| | - A Guida
- Department of Medico-Surgical Sciences and Translation Medicine, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
| | - P Gontero
- Division of Urology, Department of Surgical Science, AOU Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - C M Haney
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - M Jansen
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Y Mintz
- Department of General Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - S Morales-Conde
- Unit of Innovation in Minimally Invasive Surgery, Department of General Surgery, University Hospital Virgen del Rocío, University of Sevilla, Seville, Spain
| | - B P Muller-Stich
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - K Nakajima
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - F Nickel
- Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - M Oderda
- Division of Urology, Department of Surgical Science, AOU Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - P Parise
- U.O.C. Chirurgia Generale, Policlinico di Abano Terme, Abano Terme, PD, Italy
| | - R Rosati
- Department of Gastrointestinal Surgery, San Raffaele Hospital, Milan, Italy
| | - M P Schijven
- Department of Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, North Holland, The Netherlands
- Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, Amsterdam, North Holland, The Netherlands
- Amsterdam Public Health, Digital Health, Amsterdam UMC, Amsterdam, North Holland, The Netherlands
| | - G Silecchia
- Department of Medico-Surgical Sciences and Translation Medicine, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
| | - A S Soares
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, UK
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - S Urakawa
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - N Vettoretto
- U.O.C. Chirurgia Generale, ASST Spedali Civili di Brescia P.O. Montichiari, Ospedale di Montichiari, Montichiari, Italy
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Godoy RSM, Felix LDS, Orfanó ADS, Chaves BA, Nogueira PM, Costa BDA, Soares AS, Oliveira CCA, Nacif-Pimenta R, Silva BM, Duarte AP, de Lacerda MVG, Monteiro WM, Secundino NFC, Pimenta PFP. Dengue and Zika virus infection patterns vary among Aedes aegypti field populations from Belo Horizonte, a Brazilian endemic city. PLoS Negl Trop Dis 2021; 15:e0009839. [PMID: 34727099 PMCID: PMC8562804 DOI: 10.1371/journal.pntd.0009839] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 09/24/2021] [Indexed: 01/21/2023] Open
Abstract
Dengue virus (DENV) and Zika virus (ZIKV) belong to the same viral family, the Flaviviridae. They cause recurring threats to the public health systems of tropical countries such as Brazil. The primary Brazilian vector of both viruses is the mosquito Aedes aegypti. After the mosquito ingests a blood meal from an infected person, the viruses infect and replicate in the midgut, disseminate to secondary tissues and reach the salivary gland (SG), where they are ready to be transmitted to a vertebrate host. It is thought that the intrinsic discrepancies among mosquitoes could affect their ability to deal with viral infections. This study confirms that the DENV and ZIKV infection patterns of nine Ae. aegypti field populations found in geographically separate health districts of an endemic Brazilian city vary. We analyzed the infection rate, disseminated infection, vector competence, and viral load through quantitative PCR. Mosquitoes were challenged using the membrane-feeding assay technique and were tested seven and fourteen days post-infection (early and late infection phases, respectively). The infection responses varied among the Ae. aegypti populations for both flaviviruses in the two infection phases. There was no similarity between DENV and ZIKV vector competencies or viral loads. According to the results of our study, the risk of viral transmission overtime after infection either increases or remains unaltered in ZIKV infected vectors. However, the risk may increase, decrease, or remain unaltered in DENV-infected vectors depending on the mosquito population. For both flaviviruses, the viral load persisted in the body even until the late infection phase. In contrast to DENV, the ZIKV accumulated in the SG over time in all the mosquito populations. These findings are novel and may help direct the development of control strategies to fight dengue and Zika outbreaks in endemic regions, and provide a warning about the importance of understanding mosquito responses to arboviral infections. Dengue and Zika are neglected diseases caused by viruses transmitted to humans by mosquitoes (vector-borne diseases). The primary vector of both diseases is Aedes aegypti, a highly abundant mosquito in tropical countries and adapted to the urban habitat. The viral cycle in the vector starts when the mosquito bites an infected person and acquires the viruses through the blood meal. When the infected blood reaches the mosquito’s midgut, the viruses invade the epithelial cells and disseminate in several organs until they reach the salivary glands, enabling viral transmission to the next person. However, the mosquitoes have developed strategies to combat the viral invasion and dissemination in their body, making this journey a challenge to the viruses. Herein, we show that the mosquito responses against dengue and Zika viruses are distinct. In addition, mosquitoes from separate populations of the same city have different abilities to deal with the viruses in both cases, dengue and Zika infections. Our results show the diversity of responses that the mosquitoes may present to viral infections. These findings may better direct disease control strategies to combat dengue and Zika outbreaks in endemic regions.
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Affiliation(s)
| | - Luiza dos Santos Felix
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- Programa de Pós-Graduação em Biologia Celular, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Bárbara Aparecida Chaves
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | | | - Breno dos Anjos Costa
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | - Aline Silva Soares
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- Programa de Pós-Graduação em Biologia Celular, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Rafael Nacif-Pimenta
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | - Breno Mello Silva
- Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brazil
| | - Ana Paula Duarte
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Marcus Vinicius Guimarães de Lacerda
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Instituto Leônidas e Maria Deane, FIOCRUZ, Manaus, Amazonas, Brazil
| | - Wuelton Marcelo Monteiro
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Nágila Francinete Costa Secundino
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Paulo Filemon Paolucci Pimenta
- Instituto de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- Programa de Pós-Graduação em Biologia Celular, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- * E-mail:
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de Souza Silva FT, Luz JB, Oliveira LRS, Mezzomo R, Gomes DI, Caldas CS, Soares AS, Ferreira-Silva JC, Oliveira MAL, Alves KS. Cryopreservation of Bovine Semen Using Extract of Bertholletia excelsa (Brazil Nuts). Cryo Letters 2020; 41:365-370. [PMID: 33990814] [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] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND Semen cryopreservation is essential in animal breeding programs for improving the availability of genetic resources from animals with high breeding value. OBJECTIVE To evaluate the addition of Brazil nut extract as a replacement for egg yolk in bovine semen cryopreservation. MATERIALS AND METHODS Semen was collected from five Nelore bulls and cryopreserved with the addition (treatments) of 0, 25, 50, 75, or 100% Brazil nut extract in the cryoprotectant medium. After thawing, spermatic cells were evaluated for morphology, plasma membrane integrity, spermatic kinetics, and in vitro fertilization. The experimental design was in randomized blocks, and the data were submitted to regression analysis. RESULTS The minor-type and total defects, and plasma membrane integrity were affected (P < 0.05) as a function of egg yolk substitution with Brazil nut extract. There was a significant effect (P < 0.05) of Brazil nut extract addition on the spermatic kinetics and cleavage rate. CONCLUSION The addition of Brazil nut extract in the cryoprotective medium as a substitute of egg yolk for freezing bovine semen negatively affects sperm quality and fertility.
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Affiliation(s)
- F T de Souza Silva
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - J B Luz
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil .
| | - L R S Oliveira
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - R Mezzomo
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - D I Gomes
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - C S Caldas
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - A S Soares
- Laboratory of Biotechnology in Animal Reproduction of Carajas, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
| | - J C Ferreira-Silva
- Laboratory of Reproductive Biotechniques, Federal Rural University of Pernambuco, Recife-PE, Brazil
| | - M A L Oliveira
- Laboratory of Reproductive Biotechniques, Federal Rural University of Pernambuco, Recife-PE, Brazil
| | - K S Alves
- Laboratory of Biotechnology in Animal Reproduction of Carajás, Federal Rural University of Amazonia, Parauapebas-PA, Brazil
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4
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de Brito BB, da Silva FAF, Soares AS, Pereira VA, Santos MLC, Sampaio MM, Neves PHM, de Melo FF. Pathogenesis and clinical management of Helicobacter pylori gastric infection. World J Gastroenterol 2019; 25:5578-5589. [PMID: 31602159 PMCID: PMC6785516 DOI: 10.3748/wjg.v25.i37.5578] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/14/2019] [Accepted: 08/19/2019] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori (H. pylori) is a gram-negative bacterium that infects approximately 4.4 billion individuals worldwide. However, its prevalence varies among different geographic areas, and is influenced by several factors. The infection can be acquired by means of oral-oral or fecal-oral transmission, and the pathogen possesses various mechanisms that improve its capacity of mobility, adherence and manipulation of the gastric microenvironment, making possible the colonization of an organ with a highly acidic lumen. In addition, H. pylori presents a large variety of virulence factors that improve its pathogenicity, of which we highlight cytotoxin associated antigen A, vacuolating cytotoxin, duodenal ulcer promoting gene A protein, outer inflammatory protein and gamma-glutamyl transpeptidase. The host immune system, mainly by means of a Th1-polarized response, also plays a crucial role in the infection course. Although most H. pylori-positive individuals remain asymptomatic, the infection predisposes the development of various clinical conditions as peptic ulcers, gastric adenocarcinomas and mucosa-associated lymphoid tissue lymphomas. Invasive and non-invasive diagnostic methods, each of them with their related advantages and limitations, have been applied in H. pylori detection. Moreover, bacterial resistance to antimicrobial therapy is a major challenge in the treatment of this infection, and new therapy alternatives are being tested to improve H. pylori eradication. Last but not least, the development of effective vaccines against H. pylori infection have been the aim of several research studies.
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Affiliation(s)
- Breno Bittencourt de Brito
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | - Aline Silva Soares
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Vinícius Afonso Pereira
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Maria Luísa Cordeiro Santos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Mariana Miranda Sampaio
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Pedro Henrique Moreira Neves
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Fabrício Freire de Melo
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
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Ioannidis A, Blanco-Colino R, Chapman SJ, Soares AS, Pellino G, Frasson M. Making the most of scientific medical conferences: a practical guide for students and junior trainees. Colorectal Dis 2019; 21:487-489. [PMID: 30791168 DOI: 10.1111/codi.14590] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 02/10/2019] [Indexed: 02/08/2023]
Affiliation(s)
- A Ioannidis
- Department of General, Laparoscopic, Oncologic and Robotic Surgery, Athens Medical Center, Athens, Greece
| | - R Blanco-Colino
- Department of General Surgery, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - S J Chapman
- Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, UK
| | - A S Soares
- Division of Surgery and Interventional Sciences, University College London, London, UK
| | - G Pellino
- Unit of Colorectal Surgery, Department of Medical, Surgical, Neurological, Metabolic and Ageing Sciences, Universitá della Campania 'Luigi Vanvitelli', Naples, Italy.,Colorectal Unit, Hospital Universitario y Politecnico La Fe, University of Valencia, Valencia, Spain
| | - M Frasson
- Colorectal Unit, Hospital Universitario y Politecnico La Fe, University of Valencia, Valencia, Spain
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Ferreira JP, Leal AMO, Vasilceac FA, Sartor CD, Sacco ICN, Soares AS, Salvini TF. Decreased muscle strength is associated with proinflammatory cytokines but not testosterone levels in men with diabetes. ACTA ACUST UNITED AC 2018; 51:e7394. [PMID: 30043856 PMCID: PMC6065880 DOI: 10.1590/1414-431x20187394] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 02/03/2017] [Accepted: 05/11/2018] [Indexed: 01/06/2023]
Abstract
The aim of this study was to compare muscle strength in male subjects with type 2 diabetes mellitus (DM2) with and without low plasma testosterone levels and assess the relationship between muscle strength, testosterone levels, and proinflammatory cytokines. Males (75) aged between 18 and 65 years were divided into 3 groups: control group that did not have diabetes and had a normal testosterone plasma level (>250 ng/dL), DnormalTT group that had DM2 with normal testosterone levels, and the DlowTT group that had DM2 and low plasma testosterone levels (<250 ng/dL). The age (means±SD) of the groups was 48.4±10, 52.6±7, and 54.6±7 years, respectively. Isokinetic concentric and isometric torque of knee flexors and extensors were analyzed by an isokinetic dynamometer. Plasma testosterone and proinflammatory cytokine levels were determined by chemiluminescence and ELISA, respectively. Glycemic control was analyzed by glycated hemoglobin (HbA1C). In general, concentric and isometric torques were lower and tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-1β plasma levels were higher in the groups with diabetes than in controls. There was no correlation between testosterone level and knee torques or proinflammatory cytokines. Concentric and isometric knee flexion and extension torque were negatively correlated with TNF-α, IL-6, and HbA1C. IL-6 and TNF-α were positively correlated with HbA1C. The results of this study demonstrated that muscle strength was not associated with testosterone levels in men with DM2. Low muscle strength was associated with inflammatory markers and poor glycemic control.
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Affiliation(s)
- J P Ferreira
- Laboratório de Plasticidade Muscular, Departamento de Fisioterapia, Universidade Federal de São Carlos, São Carlos, SP, Brasil
| | - A M O Leal
- Departamento de Medicina, Universidade Federal de São Carlos, São Carlos, SP, Brasil
| | - F A Vasilceac
- Departamento de Gerontologia, Universidade Federal de São Carlos, São Carlos, SP, Brasil
| | - C D Sartor
- Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.,Departamento de Fisioterapia, Universidade Ibirapuera, São Paulo, SP, Brasil
| | - I C N Sacco
- Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - A S Soares
- Laboratório de Plasticidade Muscular, Departamento de Fisioterapia, Universidade Federal de São Carlos, São Carlos, SP, Brasil
| | - T F Salvini
- Laboratório de Plasticidade Muscular, Departamento de Fisioterapia, Universidade Federal de São Carlos, São Carlos, SP, Brasil
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7
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Berman LE, Allaire M, Chance MR, Hendrickson WA, Héroux A, Jakoncic J, Liu Q, Orville AM, Robinson HH, Schneider DK, Shi W, Soares AS, Stojanoff V, Stoner-Ma D, Sweet RM. Optics Concept for a Pair of Undulator Beamlines for MX. Nucl Instrum Methods Phys Res A 2011; 649:131-135. [PMID: 21822346 PMCID: PMC3150574 DOI: 10.1016/j.nima.2010.12.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We describe a concept for x-ray optics to feed a pair of macromolecular crystallography (MX) beamlines which view canted undulator radiation sources in the same storage ring straight section. It can be deployed at NSLS-II and at other low-emittance third-generation synchrotron radiation sources where canted undulators are permitted, and makes the most of these sources and beamline floor space, even when the horizontal angle between the two canted undulator emissions is as little as 1-2 mrad. The concept adopts the beam-separation principles employed at the 23-ID (GM/CA-CAT) beamlines at the Advanced Photon Source (APS), wherein tandem horizontally-deflecting mirrors separate one undulator beam from the other, following monochromatization by a double-crystal monochromator. The scheme described here would, in contrast, deliver the two tunable monochromatic undulator beams to separate endstations that address rather different and somewhat complementary purposes, with further beam conditioning imposed as required. A downstream microfocusing beamline would employ dual-stage focusing for work at the micron scale and, unique to this design, switch to single stage focusing for larger beams. On the other hand, the upstream, more highly automated beamline would only employ single stage focusing.
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Affiliation(s)
- L E Berman
- Brookhaven National Laboratory, Upton, NY 11973, USA
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