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Cardona A, Arrieta O, Ruiz-Patiño A, Barron LZ, Corrales-Rodriguez L, Martín C, Barrón F, Sotelo C, Rodríguez J, Ricaurte L, Freitas H, De Lima VC, Mas L, Ávila J, Mayorga D, Archila P, Otero J, Carranza H, Vargas C, Rosell R. PD2.03 Exploration of Factors Relating to Immune Response in Patients Treated with Immune Checkpoint Inhibitors for Non-small Cell Lung Cancer (NSCLC). J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.09.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Cardona A, Arrieta O, Ruiz-Patiño A, Barron LZ, Corrales-Rodriguez L, Martín C, Barrón F, Sotelo C, Rodríguez J, Ricaurte L, Ávila J, Mayorga D, Archila P, Freitas H, De Lima VC, Mas L, Otero J, Carranza H, Vargas C, Rosell R. P2.22 Immunotherapy-related Thrombosis: Considerations and Associated Factors in Non-small Cell Lung Cancer (NSCLC) Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.09.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mas L, Patane A, Arrieta O, Soria T, Cardona A, Martín C, Ruiz-Patiño A, Ruiz R, Rioja P, Lozano S, Barron LZ, Barrón F, Corassa M, Freitas H, De Lima VC, Corrales-Rodriguez L, Sotelo C, Rodríguez J, Ricaurte L, Ávila J, Mayorga D, Bravo M, Archila P, Otero J, Carranza H, Vargas C, Rosell R, Remon J. P1.12 Real World Characterization and Treatment Patterns of Patients with Thymic Carcinoma: Lessons from a Latin American Collaborative Study (CLICaP-LATimus). J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.09.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Cardona A, Ruiz-Patiño A, Arrieta O, Martín C, Raez L, Barron LZ, Barrón F, Ricaurte L, Bravo-Garzón M, Mas L, Corrales-Rodriguez L, Rojas L, Lupinacci L, Perazzo F, Bas C, Carranza O, Pupareli C, Rizzo M, Mendoza RR, Rolfo C, Archila P, Rodríguez J, Sotelo C, Vargas C, Carranza H, Otero J, Pino L, Ortíz C, Laguado P, Rosell R. P2.25 Immunotherapy at Any Line of Treatment Improves Survival in Hispanic Patients with Advanced Metastatic Non-Small Cell Lung Cancer (NSCLC) Compared with Chemotherapy (Quijote-CLICaP). J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.09.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Capdevila N, Gabau E, Escoda M, Guitart M, Baena N, Martín C, Lleberia J, Mellado F. Trastornos relacionados con el gen IRF6: a propósito de un caso de síndrome de pterigium poplíteo. CLINICA E INVESTIGACION EN GINECOLOGIA Y OBSTETRICIA 2019. [DOI: 10.1016/j.gine.2019.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Blancas I, Martín C, Martín-Pérez F, Legerén M, Martos M, Sequero S, Carnenero S, Pérez-García M, Rodríguez-González C, Jurado J, Delgado M, González-Astorga B, González-Cebrián I, Garrido J, Prieto C, Bayo-Martin V, Fernández-Gutiérrez M, Ayala-Carbonero G, Reyes-Larzategui S, Rodríguez-Serrano F. Usefulness of NT-ProBNP as a biomarker of cardiotoxicity in breast cancer patients treated with trastuzumab. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz240.041] [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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Casado-Espada NM, Martín C, De La Iglesia-Larrad JI, De Alarcón R, Fombellida CI, Fernández-Martín LC, Roncero C. Psychotic symptoms following oxycodone withdrawal, case report and update. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2019; 23:6315-6320. [PMID: 31364138 DOI: 10.26355/eurrev_201907_18454] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Opiate withdrawal-induced psychosis is an uncommon clinical manifestation. We present a 36-year-old male patient, with no prior personal or familiar psychiatric history, in treatment with several analgesic drugs (including oxycodone) for non-inflammatory chronic rachialgia. The patient is hospitalized after exhibiting psychotic symptomatology (delusions of harm and contamination, olfactory hallucinations, and aberrant behavior). This psychotic symptomatology first manifested after abruptly interrupting his prescribed oxycodone intake. It had a fluctuating course over time (alternating between lucid states and delusional ones) and eventually subsided after the prescription of antipsychotic drugs. In this case report, we describe the follow-up of the patient and discuss the influence and relevance of oxycodone withdrawal on the psychotic symptomatology.
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Lamiquiz I, Hindy G, Mateo-Gallego R, Bea A, Pérez-Calahorra S, Baila-Rueda L, Marco-Benedí V, Martín C, Cenarro A, Kathiresan S, Civeira F. Whole-exome sequencing in patients with familial hypercholesterolemia without functional mutation in candidate genes. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.268] [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: 11/29/2022]
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Cenarro A, Lamiquiz-Moneo I, Bea A, Mateo-Gallego R, Laclaustra M, Osaba L, Martín C, Civeira F. Sensitivity Of The Clinical Criteria For Suspected Familial Hypercholesterolemia In The Detection Of Diagnostic Mutations Of The Disease. Atherosclerosis 2019. [DOI: 10.1016/j.atherosclerosis.2019.06.194] [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: 10/26/2022]
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Martín C, Escobedo S, Suárez J, Quirós L. Widespread use of Lactobacillus OppA, a surface located protein, as an adhesin that recognises epithelial cell surface glycosaminoglycans. Benef Microbes 2019; 10:463-472. [DOI: 10.3920/bm2018.0128] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Specific adherence is the first requisite that a microorganism has to fulfil to become established onto a mucosal surface. It was previously shown that the OppA surface protein of Lactobacillus salivarius Lv72 bound HeLa cell cultures through interaction with glycosaminoglycans (GAGs). To determine whether this is a peculiarity of that strain or whether it can be extended to other lactobacilli, 12 strains, belonging to six species, were confronted with HeLa-cell cultures in the presence of soluble GAGs. Interference was observed to six of them, heparan sulphate and chondroitin sulphate C being more interfering than chondroitin sulphate A or chondroitin sulphate B. Furthermore, inhibition of the biosynthesis of GAGs or their elimination from the cell surface with specific enzymes also resulted in reduced adherence. Analysis of the surface proteome of Lactobacillus crispatus Lv25 and of Lactobacillus reuteri RC14 revealed single proteins that immunoreacted with antibodies raised against OppA, the main adhesin of L. salivarius Lv72. Upon MALDI-TOF-TOF analysis, they were identified as OppA-like proteins, thus indicating that these proteins participate as adhesins in attachment of diverse lactobacilli to the surface of human epithelial cells.
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Sevillano D, Martín C, Vallejo C, Martín M, Colmenares R, Morís R, Capuz B, García J, Cámara M, Martínez A, Orozco F, Béjar M, Prieto D, Sancho S, García-Vicente F. EP-1899 Prediction of outcomes in lung SBRT with dosimetric variables and machine learning techniques. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)32319-9] [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]
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Martín C, Sevillano D, Vallejo C, Martín M, García J, Colmenares R, Morís R, Capuz B, Cámara M, Martínez A, Orozco F, Béjar M, Prieto D, Sancho S, García-Vicente F. EP-1912 Outcome prediction with CT radiomics and random forests in primary lung tumor treated with SBRT. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)32332-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Fajardo C, Costa G, Nande M, Martín C, Martín M, Sánchez-Fortún S. Heavy metals immobilization capability of two iron-based nanoparticles (nZVI and Fe 3O 4): Soil and freshwater bioassays to assess ecotoxicological impact. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 656:421-432. [PMID: 30513432 DOI: 10.1016/j.scitotenv.2018.11.323] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
The contamination by heavy metals constitutes an environmental problem of great importance in the last decades, and demands of society for clean environments are increasingly evident. To achieve this goal, several strategies have appeared for the in situ remediation of soil contamination caused by heavy metals. This study evaluated two types of iron-based nanoparticles, zero-valent iron nanoparticles (nZVI) and Fe3O4 nanoparticles, for the effective immobilization of Furthermore, we conducted a set of ecotoxicological bioassays: Microtox® Test, Caenorhabditis elegans Test, and Phytoplankton Toxicity Tests, on selected soil and aquatic test organisms to both, i) evaluate the potential ecotoxicological risks associated with nanoparticles treatment, and ii) to define sensitive organisms to be used as suitable bioindicators of heavy metals pollution. The application of 5% nZVI significantly reduced the amount of bioavailable heavy metals, which was effective from an ecotoxicity point of view as a reduction of the toxicity of was observed. Among the bioassays used, C. elegans seems the most effective reference organism in detecting changes in the toxicity of and therefore, C. elegans was found to be a sensitive heavy metals pollution bioindicator. When the Combination index (CI) was obtained to determine combined heavy metals interactions, the results indicated that toxicity would be higher than that expected for Pb, Cd and Zn individually considered, due to the proved antagonistic interactions of those toxicants. The obtained results suggested that nZVI nanoparticles are susceptible to be used as a soil remediation strategy for heavy metal pollution, although a short reactive lifespan must be considered, and therefore its effectiveness in long periods remains to be elucidated.
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Martín C, Escobedo S, Pérez-Martínez G, Coll-Marqués JM, Martín R, Suárez JE, Quirós LM. Two alkaline motifs in the Lactobacillus salivarius Lv72 OppA surface are important to its adhesin function. Benef Microbes 2019; 10:101-109. [PMID: 30406694 DOI: 10.3920/bm2018.0052] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Glycosaminoglycans are involved in the attachment of Lactobacillus salivarius Lv72, a strain of vaginal origin, to HeLa cell cultures, indicating that they play a fundamental role in the attachment of mutualistic bacteria to the epithelium lining cavities where the normal microbiota thrives. The bacterial OppA protein has been proposed as an adhesin involved in this adherence since, once purified, it significantly interferes with attachment of the lactobacilli to HeLa cell cultures. In this article, the role of OppA is confirmed through the determination of its location at the cell surface and its ability to promote Lactobacillus casei and Lactococcus lactis adherence to eukaryotic cell cultures upon cloning and expression of oppA in these bacteria. The OppA sequence showed five potential domains for glycosaminoglycan-binding, and structural modelling of the protein showed that two of them were located in the vicinity of an OppA superficial groove whose width approached the diameter of the helical form of heparin in solution. Their involvement in the binding was demonstrated through substitution of critical basic amino acids by acidic ones, which resulted in loss of affinity for heparan sulphate and chondroitin sulphate depending on the domain mutated, suggesting that there might be a certain degree of specialisation. In addition, circular dichroism analysis showed that the spectrum changes induced by OppA-heparan sulphate binding were attenuated by the variant proteins, indicating that these motifs are the OppA recognition domains for the eukaryotic cell surface.
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Ruiz-Patiño A, Castro C, Ricaurte L, Cardona A, Rojas L, Zatarain-Barrón Z, Wills B, Reguart N, Carranza H, Vargas C, Otero J, Corrales L, Martín C, Archila P, Rodríguez J, Avila J, Bravo M, Pino L, Rosell R, Arrieta O. P02 EGFR Amplification and Sensitizing Mutations Correlates with Survival from Erlotinib in Lung Adenocarcinoma Patients. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.07.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Biolchi M, Recondo G, Casalnuovo M, Tsou F, Diaz Perez I, Reinhold F, Martín C. P22 ASTRIS a RWT with Osimertinib in NSCLC EGFR T790M Mutated: Disease Characteristics from Patients Included in Argentina. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.07.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Cruz JJ, Abad M, Fonseca E, Gómez A, Sánchez P, Paz JI, Martín G, Martín C. Oat-Cell Carcinoma of Primary Location in the Pericardium. A Case Report. TUMORI JOURNAL 2018; 79:144-6. [PMID: 8394036 DOI: 10.1177/030089169307900214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A case of oat-cell carcinoma arising in the pericardium of a 51-year-old woman is described. The patient had multiple nodes; the largest was 2 × 1 cm. Two years later the patient presented with a tumor on her lower gum; this measured 2 mm and had similar characteristics to the previous one. The immunohistochemical study showed strong positivity for neuron-specific enolase. From review of the literature, it may be concluded that this is the first report of oat-cell carcinoma occurring in the pericardium.
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Martín C, Cardona A, Arrieta O, Castillo-Fernandez O, Oblitas G, Corrales L, Lupinacci L, Pérez M, Rojas L, González L, Chirinos L, Ortíz C, Lema M, Vargas C, Puparelli C, Carranza H, Otero J, Ramirez-Tirado L. P1.01-019 ALK+ Non-Small Cell Lung Cancer Treated with First Line Crizotinib: Patient Characteristics, Treatment Patterns, and Survival. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Vegas A, Martín C, López I, Moratalla E, Miró M, Salvaro A, Montero N, Cano M. Results of Hysteroscopic Treatment of Symptomatic Isthmoceles in Patients with Abnormal Uterine Bleeding and Abdominal Pain. J Minim Invasive Gynecol 2017. [DOI: 10.1016/j.jmig.2017.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Narváez I, Canabal A, Martín C, Sánchez M, Moron A, Alcalá J, Giacoman S, Magro M. Incidence and evolution of sepsis-induced cardiomyopathy in a cohort of patients with sepsis and septic shock. Med Intensiva 2017; 42:283-291. [PMID: 29100618 DOI: 10.1016/j.medin.2017.08.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/11/2017] [Accepted: 08/26/2017] [Indexed: 12/13/2022]
Abstract
OBJETIVE The aim of this study was to establish the incidence of septic cardiomyopathy (SM) in patients with sepsis and septic shock, to describe its characteristics and testing its evolution. DESIGN Prospective cohort study. PARTICIPANTS We included 57 consecutive patients admitted to Intensive Care Unit, who met criteria of sepsis and septic shock. PRINCIPAL VARIABLES OF INTEREST Clinical and biochemical variables were analyzed. An echocardiogram was performed in the first 24hours of admission, determining myocardial function parameters, and if the patients had left ventricular ejection fraction (LVEF)<50%) a second echocardiogram was performed. AMBIT Intensive medical and surgical Care Service for Adults in University Hospital. RESULTS The mean age of the patients was 62,1±16,3 years. 58% were males. 22.8% had left ventricular dysfunction. The mean LVEF in patients with MS was lower than those without SM (34.1±10.6 vs 60.7±6.94%, P<.001), with complete recovery, in survivors, after the acute event (LVEF at discharge 56.1±6.3%, P=.04). Patients with SM had higher levels of procalcitonin (47.1±35.4 vs 18.9±24.5; P=.02) and higher score on the Sequential Organ Failure Assessment (SOFA score) (9.91±3.82 vs 7.47±3.41; P=.037). Mortality was not significantly different between both groups [4 (30.8%) vs 4 (9.1%); P=.07]. CONCLUSIONS SM is not uncommon and is related to a higher scores on the severity scales. In the survivors, LVEF normalized after the recovery of the acute event.
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Martínez-Redondo M, Sánchez CP, García-Río F, Quintana-Gallego M, Castillo S, Posadas AS, Girón R, Martínez MM, Carro LM, Martín C, Costa J. 241 Atelectasis as a poor prognosis factor in cystic fibrosis. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30585-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Martínez-Redondo M, Sánchez CP, García-Río F, Quintana-Gallego M, Castillo S, Posadas AS, Girón R, Martínez MM, Máiz L, Martín C, Costa J. 240 Descriptive analysis of atelectasis as a pulmonary complication in cystic fibrosis. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30584-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Luna-Paredes C, Máiz L, Mondejar-Lopez P, Quintana-Gallego M, Girón-Moreno R, Delgado-Pecellín I, Cortell I, Olveira C, Álvarez-Rios A, Cols M, Martín C, Aguilar A, Gómez de Terreros F, Solé A. 41 Impact of treatment with ivacaftor on Spanish cystic fibrosis patients with gating mutations. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30406-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bezos J, Casal C, Álvarez J, Roy A, Romero B, Rodríguez-Bertos A, Bárcena C, Díez A, Juste R, Gortázar C, Puentes E, Aguiló N, Martín C, de Juan L, Domínguez L. Evaluation of the Mycobacterium tuberculosis SO 2 vaccine using a natural tuberculosis infection model in goats. Vet J 2017; 223:60-67. [PMID: 28671074 DOI: 10.1016/j.tvjl.2017.04.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 04/06/2017] [Accepted: 04/13/2017] [Indexed: 11/27/2022]
Abstract
The development of new vaccines against animal tuberculosis (TB) is a priority for improving the control and eradication of this disease, particularly in those species not subjected to compulsory eradication programmes. In this study, the protection conferred by the Mycobacterium tuberculosis SO2 experimental vaccine was evaluated using a natural infection model in goats. Twenty-six goats were distributed in three groups: (1) 10 goats served as a control group; (2) six goats were subcutaneously vaccinated with BCG; and (3) 10 goats were subcutaneously vaccinated with SO2. Four months after vaccination, all groups were merged with goats infected with Mycobacterium bovis or Mycobacterium caprae, and tested over a 40 week period using a tuberculin intradermal test and an interferon-γ assay for mycobacterial reactivity. The severity of lesions was determined at post-mortem examination and the bacterial load in tissues were evaluated by culture. The two vaccinated groups had significantly lower lesion and bacterial culture scores than the control group (P<0.05); at the end of the study, the SO2 vaccinated goats had the lowest lesion and culture scores. These results suggest that the SO2 vaccine provides some protection against TB infection acquired from natural exposure.
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Campillo B, Martín C, Palma JC, Fuentes AD, Alarcón JA. Electromyographic activity of the jaw muscles and mandibular kinematics in young adults with theoretically ideal dental occlusion: Reference values. Med Oral Patol Oral Cir Bucal 2017; 22:e383-e391. [PMID: 28390127 PMCID: PMC5432089 DOI: 10.4317/medoral.21631] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 01/08/2017] [Indexed: 11/05/2022] Open
Abstract
Background A necessary step to use neuromuscular analysis as diagnostic tool is to establish normal reference values for the physiological range in a healthy population. Surface electromyographic (sEMG) activity of the jaw muscles and mandibular kinematics were measured in young adults with theoretically ideal dental occlusion to determine normal reference values during different tasks. Differences between the sexes were evaluated. Material and Methods Forty young adults (20 men, 20 women; mean age 22.8 ± 3.9 years) with theoretically ideal dental occlusion were selected using very restrictive criteria. sEMG activity of the anterior temporalis (AT), posterior temporalis, masseter (MA), and suprahyoid muscles were evaluated in the rest position and during swallowing, mastication, and clenching. Mandibular kinematics in the rest position and during maximum excursions were assessed. Asymmetry, activity, and torque indices and MA/AT ratios were calculated. Results For all muscles, sEMG values were 1.01-3.57 µV at rest, 3.50-10.85 µV during swallowing, and 41.04-86.59 µV during mastication. During clenching, values were 230.08-243.55 µV for the AT and MA muscles. Mean total asymmetry, activity, and torque indices at rest were 20.34 %, -15.04 %, and 19.02 %, respectively; during clenching, these values were 6.14 %, -2.62 %, and 4.46 %. MA/AT ratios were near 1. Kinematic measurements during lateral excursion, protrusive and maximum opening were 7.54, 8.44, and 37.38 mm respectively; lateral mandibular shift was 1.41 mm; free way and lateral displacement at rest were 1.40 and 0.26 mm. Right MA activity during mastication and clenching was higher in men than women. Conclusions Reference values for sEMG activity and mandibular kinematics were determined. Some muscular asymmetry and torque were observed. Key words:Electromyography, masticatory muscles, kinesiography, jaw movements, normal dental occlusion, sexual dimorphism.
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