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1.
Antioxidants (Basel) ; 13(2)2024 Jan 24.
Artigo em Inglês | MEDLINE | ID: mdl-38397742

RESUMO

Physical activity results in oxidative stress, as evidenced by the increased production of reactive oxygen, nitrogen species, and inflammatory mediators. The management of these components is instrumental for antioxidant adaptation to exercise and post-exercise recovery. Therefore, the present report aims to study the antioxidant response to two types of exercise (a 2000 m run and a burpee test) in healthy volunteers after a long period of inactivity (1-2 months). Antioxidant enzyme activities and oxidative stress markers (protein carbonyls and malondialdehyde content) were measured in neutrophils, peripheral blood mononuclear cells, and plasma. These parameters were determined under basal conditions and immediately post-exercise. Compared to those in basal state, neutrophil superoxide dismutase (28.3 vs. 22.9 pkat/109 cells), glutathione peroxidase (147.5 vs. 120.1 nkat/109 cells), and catalase (106.3 vs. 57.9 k/109 cells) were activated significantly (p < 0.05) after the burpee test. Peripheral blood mononuclear cells exhibited only significant (p < 0.05) catalase activation (113.6 vs. 89.4 k/109 cells) after the burpee test. Other enzymes, such as glutathione reductase and myeloperoxidase, tended to increase post-exercise, although the differences from baseline were not significant. Finally, compared to basal conditions, the protein carbonyl (24.5 vs. 14.5 mmol/L) and malondialdehyde (39.6 vs. 18.3 mmol/L) contents increased significantly (p < 0.05) in neutrophils and in plasma (115.1 vs. 97.8 and 130.2 vs. 123.4 µmol/L, respectively) after the burpee test. In conclusion, high-intensity exercise seems to induce immediate oxidative stress in inactive individuals, and the acute antioxidant response was slightly greater after the burpee test than after the 2000 m run. Glutathione-dependent antioxidant systems are activated immediately as protective mechanisms.

2.
J Anim Breed Genet ; 140(3): 316-329, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-36751887

RESUMO

The analysis of the genomic landscape of inbreeding using runs of homozygosity (ROH) patterns is becoming an interesting tool to partially understand phenotypic differences among individuals. In this study, we analysed genome-wide ROH patterns in two groups of Florida goats. We first determined the inbreeding levels of each individual by calculating ROH-based inbreeding coefficients (FROH ). Then, the individuals were divided into two groups based on FROH : high inbreeding (HI, FROH >0.1) and low inbreeding (LI, FROH <0.03). Finally, we performed an extensive in-depth analysis of ROH distribution in each group separately. We found a higher abundance of short ROH in LI, whereas long ROH was more frequent in HI. Furthermore, ROH abundance was not evenly distributed among chromosomes within groups, with some chromosomes showing larger numbers of ROH, like CHI6, CHI7 and CHI27. A different landscape was observed in recent inbreeding (ROH >8 Mb), with significant increases in CHI6, CHI11 and CHI28. Determination of genomic regions with significantly increased ROH (ROH islands-ROHi) showed 13 ROHi related to whole inbreeding and five ROHi associated with recent inbreeding analysis. Within these genomic regions, 123 and 101 genes were identified in HI and LI, respectively, including 10 and seven candidate genes previously related to production, fertility and heat resistance in goats and livestock species.


Assuntos
Cabras , Endogamia , Animais , Cabras/genética , Florida , Polimorfismo de Nucleotídeo Único , Genômica , Homozigoto , Genótipo
3.
Cleft Palate Craniofac J ; 60(3): 336-343, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-34859701

RESUMO

OBJECTIVE: The aim of this study was to describe coping strategies used by parents of children with cleft palate with or without a cleft (CP ± L) during the early development of their children in El Salvador. DESIGN: Qualitative interviews were completed with 16 parents of children born with CP ± L who were 6 months to 6 years old. Parents were questioned about their emotions and coping during eight time periods: prenatal, birth, social interaction before the first surgery, the beginning of surgeries, social interaction after the first surgery, early childhood education (ECE), speech-language therapy, and formal education. Thematic analysis (TA) was used to identify coping strategies as conceptualized by Lazarus and Folkman (1984). RESULTS: Four major themes emerged: (a) experienced emotions related to diagnosis, (b) interpretations related to the birth of a child with a cleft, (c) seeking and experiencing cleft treatment, and (d) social interaction of the children. During prenatal and birth stages, parents used emotion-focused strategies. A few hours to a week after birth, they used problem-focused strategies, which led them in search of treatment. Some parents used avoidance strategies during periods of social interaction before surgery, ECE, and formal education. Socioeconomic challenges impacted access to speech-language therapy. Sociocultural factors, such as discrimination, religion, and folk beliefs, appeared to influence some of the coping strategies used by parents. CONCLUSIONS: Problem-focused strategies appear to be helpful in seeking surgical treatments. The emotion-focused strategy of avoidance seemed to have adverse effects in minimizing opportunities for social interaction prior to surgery and early education.


Assuntos
Fenda Labial , Fissura Palatina , Criança , Pré-Escolar , Humanos , Fenda Labial/cirurgia , Fenda Labial/psicologia , Fissura Palatina/cirurgia , Fissura Palatina/psicologia , El Salvador , Adaptação Psicológica , Pais/psicologia
4.
Mol Reprod Dev ; 88(6): 416-426, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-34009693

RESUMO

The effect of inbreeding depression on sperm motility is well documented, but its influence on sperm morphometry has been scarcely examined to date. Here, we combined the use of computer-assisted sperm morphometry analysis (CASMA) with a SNP-based genomic approach to determine and characterize the effect of inbreeding on the sperm shape of a highly inbred cattle population. We determined seven morphometric parameters on frozen-thawed sperm samples of 57 Retinta bulls: length (L, µm), width (W, µm), area (A, µm2 ), perimeter (P, µm), ellipticity (ELI; L/W), elongation (L-W)/(L + W) and perimeter-to-area shape factor (p2a; P2 /4 × π × A). The comparison of highly inbred (HI) and lowly inbreed (LI) individuals based on runs of homozygosity (ROH) inbreeding values (F ROH ) showed no differences between groups. An additional two-step unsupervised sperm subpopulation analysis based on morphometric parameters showed significant differences in the abundance of different sperm subpopulations between groups (p < 0.05). This analysis revealed that HI bulls harbored a higher percentage of narrow-head sperm as opposed to the higher percentage of large- and round-headed sperm detected in LI. A further genomic characterization revealed 23 regions differentially affected by inbreeding in both groups, detecting six genes (SPAG6, ARMC3, PARK7, VAMP3, DYNLRB2, and PHF7) previously related to different spermatogenesis-associated processes.


Assuntos
Bovinos/genética , Depressão por Endogamia/genética , Endogamia , Espermatozoides/ultraestrutura , Animais , Animais Endogâmicos , Variação Biológica Individual , Forma Celular , DNA/genética , Estudos de Associação Genética , Genótipo , Haplótipos/genética , Masculino , Cabeça do Espermatozoide/ultraestrutura
5.
Cleft Palate Craniofac J ; 54(2): 227-230, 2017 03.
Artigo em Inglês | MEDLINE | ID: mdl-27018526

RESUMO

In 1976, Paul Tessier provided a numerical classification system for rare facial clefts, numbered from 0 to 14. The Tessier 3 cleft is a rare facial cleft extending from the philtrum of the upper lip through the wing of the nostril, and reaches the medial canthus of the eye. The aim of this document was to describe a pre-Hispanic anthropomorphic figurine dating from the classic period (200 A.D.-900 A.D.), which has a Tessier 3 cleft. We also discuss the documented pre-Hispanic beliefs about facial clefts.


Assuntos
Arte , Fenda Labial/história , Fissura Palatina/história , Arqueologia , El Salvador , História Antiga , Humanos
6.
Pediatr Dermatol ; 27(6): 671-2, 2010.
Artigo em Inglês | MEDLINE | ID: mdl-21510023

RESUMO

An eruption cyst is an epithelial cyst of the oral mucosa. We report a case of a congenital eruption cyst successfully managed by removal of fluid from the cyst followed by close monitoring of the lesion until its remission once the teeth had erupted.


Assuntos
Cistos/patologia , Doenças da Boca/patologia , Mucosa Bucal/patologia , Erupção Dentária , Cistos/congênito , Cistos/terapia , Drenagem , Epitélio/patologia , Humanos , Lactente , Masculino , Doenças da Boca/congênito , Doenças da Boca/terapia
7.
Braz Dent J ; 21(3): 259-62, 2010.
Artigo em Inglês | MEDLINE | ID: mdl-21203711

RESUMO

Congenital pathologies are those existing at or dating from birth. Occurrence of congenital cystic lesions in the oral cavity is uncommon in neonates. Eruption cyst (EC) is listed among these unusual lesions. It occurs within the mucosa overlying teeth that are about to erupt and, according to the current World Health Organization (WHO) classification of epithelial cysts of the jaws, EC is a separate entity. This paper presents a case of congenital EC successfully managed by close monitoring of the lesion, without any surgical procedure or tooth extraction. Eruption of the teeth involved, primary central incisors, occurred at the fourth month of age. During this time neither the child nor mother had any complication such as pain on sucking, refusal to feed, airway obstruction, or aspiration of fluids or teeth.


Assuntos
Doenças do Recém-Nascido/patologia , Doenças Mandibulares/patologia , Cistos Odontogênicos/patologia , Humanos , Lactente , Recém-Nascido , Masculino , Remissão Espontânea , Erupção Dentária
8.
Int J Dent ; 2010: 479306, 2010.
Artigo em Inglês | MEDLINE | ID: mdl-21253516

RESUMO

Dry socket is often treated in dentistry with intra-alveolar dressings; the use of them remains controversial and has been related to some side effects such as neuritis, foreign body reactions, and myospherulosis. We present a case of an intra-alveolar dressing (zinc-oxide eugenol paste) that mimicked a trigeminal neuralgia for 3 years and caused a right maxillary chronic osteomyelitis and foreign body reaction in a zone corresponding to the alveolus of the maxillary first molar. This long-term complication was successfully managed by complete removal of the foreign body and curettage of the affected area.

9.
Braz. dent. j ; Braz. dent. j;21(3): 259-262, 2010. ilus
Artigo em Inglês | LILACS | ID: lil-556828

RESUMO

Congenital pathologies are those existing at or dating from birth. Occurrence of congenital cystic lesions in the oral cavity is uncommon in neonates. Eruption cyst (EC) is listed among these unusual lesions. It occurs within the mucosa overlying teeth that are about to erupt and, according to the current World Health Organization (WHO) classification of epithelial cysts of the jaws, EC is a separate entity. This paper presents a case of congenital EC successfully managed by close monitoring of the lesion, without any surgical procedure or tooth extraction. Eruption of the teeth involved, primary central incisors, occurred at the fourth month of age. During this time neither the child nor mother had any complication such as pain on sucking, refusal to feed, airway obstruction, or aspiration of fluids or teeth.


Patologias congênitas são aquelas que aparecem ao nascimento. A ocorrência de lesões císticas congênitas na cavidade bucal é rara em recém-nascidos. O cisto de erupção (CE) pode ser considerado como lesão rara que se localiza na mucosa que recobre um dente que está próximo do momento de sua erupção. De acordo com a classificação de cistos epiteliais dos maxilares, descrita pela Organização Mundial da Saúde (OMS), os CE são considerados uma entidade distinta. O presente relato descreve um caso clínico de um cisto congênito de erupção tratado com sucesso somente pelo acompanhamento da lesão, sem a necessidade de nenhuma intervenção cirúrgica ou extração dentária. A erupção dos dentes envolvidos (incisivos centrais decíduos) ocorreu aos 4 meses de idade e durante este período não houve reclamações da mãe e/ou da criança em relação a dor para sucção, recusa para se alimentar, obstrução das vias aéreas e aspiração de fluidos ou de dentes.


Assuntos
Humanos , Lactente , Recém-Nascido , Masculino , Doenças do Recém-Nascido/patologia , Doenças Mandibulares/patologia , Cistos Odontogênicos/patologia , Remissão Espontânea , Erupção Dentária
10.
Braz Dent J ; 20(3): 249-53, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19784473

RESUMO

Hymenoptera order includes bees, which have a stinging apparatus at the tail capable of delivering venom to the affected tissues. Myocardial infarction, acute renal failure, Necrotizing fasciitis, fatal infection and hemifacial asymmetry, are some of the unusual reactions reported following hymenoptera stings. This paper reports a case of bee sting in the right floor of the nose that mimicked an odontogenic infection affecting the upper lip, canine space and nasal cavity such as in cases of infection secondary to pulpal or periodontal pathology of the anterior teeth. After a thorough clinical and radiographic examination, odontogenic infection was discarded and the diagnosis of floor of the nose mucosal lysis and lip abscess secondary to a bee sting was made. This case was successfully managed with adequate incision, drainage and antibiotics without any further complication. There are several reports of unusual reactions following hymenoptera stings. However, just a few of them referred to infections of local reactions and none of them related to the anatomic location affected in the patient of the present case. Early diagnosis and treatment prevented infection dissemination and the likelihood of tissue necrosis as in previously reported cases of Necrotizing fasciitis.


Assuntos
Abscesso/patologia , Fístula Dentária/patologia , Mordeduras e Picadas de Insetos/complicações , Doenças Labiais/patologia , Mucosa Nasal/patologia , Abscesso/etiologia , Abscesso/terapia , Adulto , Animais , Venenos de Abelha/efeitos adversos , Abelhas , Desbridamento , Fístula Dentária/etiologia , Fístula Dentária/terapia , Diagnóstico Diferencial , Drenagem , Humanos , Doenças Labiais/etiologia , Doenças Labiais/terapia , Masculino , Doenças Dentárias/patologia , Resultado do Tratamento
11.
Braz. dent. j ; Braz. dent. j;20(3): 249-253, 2009. ilus
Artigo em Inglês | LILACS | ID: lil-526419

RESUMO

Hymenoptera order includes bees, which have a stinging apparatus at the tail capable of delivering venom to the affected tissues. Myocardial infarction, acute renal failure, Necrotizing fasciitis, fatal infection and hemifacial asymmetry, are some of the unusual reactions reported following hymenoptera stings. This paper reports a case of bee sting in the right floor of the nose that mimicked an odontogenic infection affecting the upper lip, canine space and nasal cavity such as in cases of infection secondary to pulpal or periodontal pathology of the anterior teeth. After a thorough clinical and radiographic examination, odontogenic infection was discarded and the diagnosis of floor of the nose mucosal lysis and lip abscess secondary to a bee sting was made. This case was successfully managed with adequate incision, drainage and antibiotics without any further complication. There are several reports of unusual reactions following hymenoptera stings. However, just a few of them referred to infections of local reactions and none of them related to the anatomic location affected in the patient of the present case. Early diagnosis and treatment prevented infection dissemination and the likelihood of tissue necrosis as in previously reported cases of Necrotizing fasciitis.


A ordem das himenópteras inclui abelhas, que possuem um ferrão na cauda capaz de de injetar veneno nos tecidos afetados. Fasciite necrosante, infecção fatal e assimetria hemifacial são algumas das reações incomuns relatadas após picada de himenópteras. Este estudo relata um caso de picada de abelha no assoalho da narina direita que simulou uma infecção odontogênica atingindo o lábio superior, o espaço canino e a cavidade nasal, como observado nos casos de infecção secundária após patologia pulpar ou periodontal dos dentes anteriores. Após completo exame clínico e radiográfico, foi descartada a hipótese de infecção odontogênica e foi estabelecido o diagnóstico de lise da mucosa do assoalho da narina e abscesso do lábio, após picada de abelha. Este caso foi tratado com sucesso com adequada incisão, drenagem e administração de antibióticos, sem outras complicações. Há vários relatos de reações incomuns resultantes de picada de himenópteras, porém poucos são relativos a infecções locais e nenhum se refere à localização anatômica afetada no paciente do caso aqui relatado. Diagnóstico e tratamento precoces preveniram a disseminação da infecção e a possibilidade de necrose tecidual, como já relatado em casos de fasciite necrosante.


Assuntos
Adulto , Animais , Humanos , Masculino , Abscesso/patologia , Fístula Dentária/patologia , Mordeduras e Picadas de Insetos/complicações , Doenças Labiais/patologia , Mucosa Nasal/patologia , Abscesso/etiologia , Abscesso/terapia , Abelhas , Venenos de Abelha/efeitos adversos , Desbridamento , Diagnóstico Diferencial , Drenagem , Fístula Dentária/etiologia , Fístula Dentária/terapia , Doenças Labiais/etiologia , Doenças Labiais/terapia , Resultado do Tratamento , Doenças Dentárias/patologia
15.
Gac. méd. Méx ; Gac. méd. Méx;140(1): 93-95, ene.-feb. 2004. ilus
Artigo em Espanhol | LILACS | ID: lil-632149

RESUMO

La artritis séptica de la cadera, es una alteración relativamente común, que se presenta en cualquier gabinete de Radiología, en la consulta del internista o del médico general y familiar; es la infección de una articulación que suele deberse a gérmenes piógenos. En la mayoría de los pacientes puede identificarse el mecanismo de contaminación: la infección puede deberse a diseminación hematógena, a extensión desde una fuente contigua, a inoculación directa o a contaminación quirúrgica. Los hallazgos radiológicos incluyen aumento del espacio articular y erosiones óseas, centrales y marginales; las primeras alteraciones óseas aparecen 8 a 10 días después del comienzo de los síntomas. Presentamos el caso de una niña de 9 años de edad con artritis séptica de la cadera derecha, y una breve revisión de las características clínicas y los hallazgos por imagen en esta patología.


Acute septic arthritis is a common diagnosis usually seen by radiologists, internists, and family physicians; it is most commonly caused by pyogenic pathogens. In the majority of patients, it is possible to identify the infection mechanism: spread of infection can be due to hematogenous dissemination, a contiguous source of infection, direct inoculation, or surgical contamination. Radiologic findings include increase in articular space and central and marginal bone erosions; the first plain radiograph changes are seen 8-10 days after symptoms. We present the case of a 9-year-old girl with septic arthritis of right hip; in presenting this case we offer a brief summary of clinical features and main imaging findings of septic arthritis (plain radiographs, ultrasonography, and gammagraphy).


Assuntos
Criança , Humanos , Artrite Infecciosa/diagnóstico , Articulação do Quadril , Doença Aguda
16.
Arch. Inst. Cardiol. Méx ; 70(5): 456-7, sept.-oct. 2000.
Artigo em Espanhol | LILACS | ID: lil-280434

RESUMO

En el presente estudio evaluamos de manera prospectiva y ciega, la sensibilidad, la especificidad y la precisión diagnóstica de la tomografía helicoidal del tórax en el diagnóstico de obstrucción vascular pulmonar de tipo central, en la hipertensión arterial pulmonar secundaria a tromboembolia pulmonar no resuelta. Utilizamos, como el estándar de oro para comparación, los resultados de la angiografía pulmonar realizada de manera simultánea, en pacientes con hipertensión arterial pulmonar severa de diversa etiología. Estudiamos 40 pacientes (22 mujeres y 18 hombres) con una edad media de 40.7 + 12 años de edad. La presión arterial pulmonar sistólica del grupo fue de 91 ñ 33 mmHg. Treinta pacientes reunieron los criterios diagnósticos de tromboembolia no resuelta y los 10 restantes fueron utilizados como controles. Los diagnósticos de estos últimos incluyeron: hipertensión arterial pulmonar primaria (4), persistencia de conducto arterioso (2), comunicación interauricular (1), cardiopatía reumática inactiva (1), cardiopatía isquémica (1) y tromboembolia pulmonar aguda (1). En el diagnóstico de obstrucción vascular pulmonar de tipo central, la tomografía tuvo una sensibilidad de 100 por ciento (29/29) y una especificidad de 91 por ciento (10/11) con un valor predictivo positivo de 96.6 por ciento (29/30) y un valor predictivo negativo de 100 por ciento (10/10). La precisión diagnóstica global del método fue del 97.5 por ciento (39/40). Concluimos que la tomografía es una excelente alternativa a la angiografía pulmonar en el diagnóstico de las obstrucciones vasculares centrales en la tromboembolia no resuelta.


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto , Pessoa de Meia-Idade , Embolia Pulmonar/diagnóstico , Tomografia Computadorizada por Raios X/métodos , Hipertensão Pulmonar/diagnóstico , Pulmão/irrigação sanguínea
17.
Rev. Inst. Nac. Enfermedades Respir ; Rev. Inst. Nac. Enfermedades Respir;10(1): 32-7, ene.-mar. 1997. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-195872

RESUMO

El propósito de este estudio fue determinar si el grado de reforzamiento de los nódulos pulmonares está directamente relacionado con la posibilidad de malignidad. Estudiamos 11 pacientes con nódulos pulmonares indeterminados en su diagnóstico. El diagnóstico fue de malignidad en 7; granuloma en 3 y uno fue inflamatorio. Los estudios fueron realizados con un tomógrafo computarizado helicoaidal (pro Speed, GE) con cortes delgados (1mm, 1 seg) antes y después de la inyección de 100 mL de material de contraste, el material de contraste se administró con un inyector automático a 2.5 mL/seg con un retardo de 30 seg. Se registró el nivel máximo de reforzamiento en unidades Hounsfield (HU) comparadas con las imágenes tomadas antes de la aplicación del contraste. Las neoplasias malignas del pulmón aumentaron su reforzamiento significativamente comparadas con las lesiones benignas (más de 40 HU). Esta aplicación de la CT puede ser útil para evaluar los nódulos pulmonares indeterminados en su diagnóstico.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Meios de Contraste , Densitometria , Diagnóstico por Imagem , Sensibilidade e Especificidade , Nódulo Pulmonar Solitário/diagnóstico , Tomografia
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