نتایج جستجو برای: tpo
تعداد نتایج: 2458 فیلتر نتایج به سال:
OBJECTIVES To evaluate the expression and significance of CK19, TPO, and HBME-1 in the differential diagnosis of papillary thyroid carcinoma (PTC) and nonmalignant nodules. METHODS Tissue samples were obtained from 257 patients with PTC and 149 patients with nonmalignant thyroid specimens, and immunohistochemical staining for CK-19, TPO, and HBME-1 was performed. RESULTS The expression of C...
Background. Postpartum thyroiditis (PPT) is a common triphasic autoimmune disease in women with thyroid peroxidase (TPO) autoantibodies. This study evaluated women's thyroid disease symptoms, physical findings, stress levels, and thyroid stimulating hormone (TSH) levels across six postpartum months in three groups, TPO negative, TPO positive, and PPT positive women. Methods. Women were recruite...
The regulation of megakaryocytopoiesis and thrombopoiesis appears to be under the control of an array of hematopoietic growth factors. To determine the relationship of endogenous thrombopoietic cytokine levels and circulating platelet (PLT) counts, we measured the levels of thrombo-poietin (TPO), interleukin-11 (IL-11), and interleukin-6 (IL-6) in patients with significant thrombocytopenia seco...
مقدمه: تغییر ساختار پروتئینهای بدن میتواند منجر به تولید آنتیبادی ضد پروتئینهای خودی شود. احتمالاً ایجاد پلیمورفیسم در ژن کدکنندهی آنزیم پراکسیداز تیروئید (TPO) و تغییر ساختار آن میتواند باعث تولید آنتیبادی ضد این پروتئین (Anti-TPO) شود. اختلال در آنزیمTPO میتواند یکی از دلایل اصلی بیماری کمکاری تیروئید باشد که شیوع و گسترش این بیماری ما را بر آن داشت تا در این مطالعه به بررسی ارتباط پ...
BACKGROUND Doxorubicin (DOX) is an important antineoplastic agent. However, the associated cardiotoxicity, possibly mediated by the production of reactive oxygen species, has remained a significant and dose-limiting clinical problem. Our hypothesis is that the hematopoietic/megakaryocytopoietic growth factor thrombopoietin (TPO) protects against DOX-induced cardiotoxicity and might involve anti...
Several lines of evidence indicate that the megakaryocyte/platelet lineage is crucial in myelofibrosis induction. The demonstration that NOD/SCID mice with functionally deficient monocytes do not develop fibrotic changes when exposed to thrombopoietin (TPO) also suggests an important role for monocyte/macrophages. However, in this animal model, the development of myelofibrosis is dependent on t...
BACKGROUND Thrombopoietin (TPO), the major hormone controlling platelet production, has been measured in thrombocytopenias with discordant results. The aim of our work was to assess the value of the TPO assay for differential diagnosis of thrombocytopenias in a large cohort of patients classified according to the results of their platelet isotopic study. METHODS We measured TPO (R&D Systems) ...
OBJECTIVE Thyroid dyshormonogenesis is a genetically heterogeneous group of inherited disorders in the enzymatic cascade of thyroid hormone synthesis that result in congenital hypothyroidism (CH). Thyroid peroxidase gene (TPO) mutations are one of the most common causes of thyroid dyshormonogenesis. The aim of this study was to identify TPO gene defects in a cohort of patients with thyroid dysh...
Thrombopoietin (TPO) is a recently characterized growth and differentiation factor for megakaryocytes and platelets that exerts its effects via the receptor, c-MpI. This receptor is a member of the hematopoietin receptor superfamily and is essential for megakaryocyte maturation; however, the molecular mechanisms of TPO and c-MpI action have not been elucidated. Recently, the Janus kinases have ...
We investigated the association of plasma thrombopoietin (TPO) and overall survival in 127 patients with previously treated and previously untreated chronic lymphocytic leukemia (CLL). Higher levels of TPO were associated with advanced Rai stage (P < .001), higher levels of beta(2)-microglobulin (beta2-M) (P < .001), and the absence of mutation in the immunoglobulin heavy chain variable region ...
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