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70  Articles
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Abstract. Approximately 3–10 % of all pregnancies are complicated by premature rupture of membranes (PRM). Pregnancy in the presence of preeclampsia, gestational iron deficiency anemia, and acute chorioamnionitis increases the risk of PRM development. The... see more

Epithelial-mesenchymal transformation in prostate gland cancer is a criterion of aggressive biological behavior of the tumor, but the clinical material is not sufficiently studied. The objective of the research was to study epithelial-mesenchymal transfor... see more

Background and Purpose: Colorectal cancer is the third leading cause of cancer death worldwide. MicroRNAs are a group of post-transcription regulators whose expression are altered in various cancers and affect the expression of different genes and contrib... see more

Background: Epithelial mesenchymal transition (EMT) plays a significant role in the development of cancer cell resistance to drugs. Vimentin, a type III intermediate filament protein, is a marker of EMT. Vimentin's over-expression in cancer correlates wel... see more

Metastasizing tumor cells show increased expression of the intermediate filament (IF) protein vimentin, which has been used to diagnose invasive tumors for decades. Recent observations indicate that vimentin is not only a passive marker for carcinoma, but... see more

Factor reumatoideo, anticuerpos antipéptidos citrulinados y actividad de la enfermedad en pacientes con artritis reumatoidea Factor reumatoideo, anticuerpos antipéptidos citrulinados y actividad de la enfermedad en pacientes con artritis reumatoideaIntroducción: la artritis reumatoidea es una enfermedad inflamatoria crónica y multisistémica de causa autoinmune.Los anticuerpos antipéptidos citrulinados constituyen una herramienta importante para el diagnóstico de esta enfermedad. Objetivo: determinar la relación de los anticuerpos factor reumatoideo y antipéptidos citrulinados de segunda y tercera  generación, con indicadores clínicos y serológicos de actividad de la enfermedad en pacientes con artritis reumatoidea establecida. Material y métodos: participaron 88 pacientes con artritis reumatoidea establecida y se determinaron la proteína C reactiva, la velocidad de sedimentación globular, el índice de actividad de la enfermedad basado en el conteo de 28 articulaciones (DAS 28). Los autoanticuerpos factor reumatoideo y antipéptidos citrulinados de segunda y tercera generación se cuantificaron mediante el ensayo de inmunoabsorción ligado a enzimas. Resultados: se observó asociación entre la positividad de proteína C reactiva y la presencia de todos los autoanticuerpos. El factor reumatoideo y los anticuerpos antipéptidos citrulinados mostraron correlación positiva con la velocidad de sedimentación globular y con el DAS 28. Solamente los anticuerpos antipéptidos citrulinados se asociaron con una actividad moderada o alta de la enfermedad. Conclusiones: los anticuerpos antipéptidos citrulinados de segunda y tercera generación tienen gran valor para la identificación de pacientes con un curso más severo de la enfermedad en la artritis reumatoidea establecida.Palabras clave: artritis reumatoidea, autoanticuerpos, factor reumatoideo, antipéptidos citrulinados, enfermedad autoinmune, indicadores clínicos, indicadores serológicos.ABSTRACTIntroduction: rheumatoid arthritis is a chronic inflammatory disease, multisystem and with autoimmune cause. Antibodies anti- citrullinated peptides are an important tool for the diagnosis of this disease. Objective: to determine the relationship of rheumatoid factor, anti-mutated citrullinated vimentin and anti-citrullinated peptides of second and third generation antibodies, with clinical and serological indicators of disease activity in patients with established rheumatoid arthritis. Material and methods: 88 patients with established rheumatoid arthritis participated in the study and C reactive protein, erythrocyte sedimentation rate, disease activity score based on the count of 28 joints (DAS 28) and autoantibodies were measured.  Rheumatoid factor and anti-citrullinated peptides of second and third generation autoantibodies were quantified by enzyme-linked immunosorbent assay. Results: association between C reactive protein and the presence of all autoantibodies was observed. Rheumatoid factor and anti-citrullinated peptides antibodies of second and third generation showed positive correlation with ESR and DAS 28. Only anti-citrullinated peptide antibodies were associated with a moderate or high disease activity. Conclusions: anti-citrullinated peptide antibodies of second and third generation are of great value for identifying patients with more severe disease course in established rheumatoid arthritis.Keys words: rheumatoid arthritis, autoantibodies, rheumatoid factor, anti- citrullinated peptides, autoimmune disease, clinical indicators, serological indicators.

Objetivo: determinar la relación de los anticuerpos factor reumatoideo y antipéptidos citrulinados de segunda y tercera  generación, con indicadores clínicos y serológicos de actividad de la enfermedad en pacientes con artritis reumatoidea establecid... see more

Objective Long-term movement could induce micro-damage of skeletal muscle, increase collagen significantly, and appear skeletal muscle fibrosis. Vimentin is one of the most important proteins in evaluating the fibrosis after muscle injury. TGF-ß1 could up... see more

In dogs, melanoma is a highly aggressive tumor, diagnosis and prognosis are still based onhistological signs of malignancy. The purposes of the present study were to evaluate the sensitivity andspecificity of several melanocytic markers, and, to investiga... see more

Background and Objectives: Owing to high proliferation rate, multipotency and self-renewal capability, dental pulp stem cells (DPSC) and stem cells from human exfoliated teeth (SHED) have become stem cell source of choice for cell based regenerative thera... see more

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