نتایج جستجو برای: gm c
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هدف: بیماری ایدز امروزه بهعنوان یک مشکل جهانی مطرح است و تلاش فراوانی برای ساخت واکسن مؤثر ضد بیماری ایدز صورت گرفته اما بینتیجه مانده است. dna واکسنها از جمله واکسنهای نسل جدید است که میتواند سیستم ایمنی را بهخوبی تحریک نمایند با وجود این، یافتههای اخیر نمایانگر ایمنزایی ضعیف این دسته از واکسنها است و اعتقاد بر اینست که این دسته از واکسنها نیاز به عواملی چون ادجوانتها دارد تا ایمنی...
An evaluation of the effects of a recombinant, soluble form of the c-kit ligand alone and in combination with either granulocyte-macrophage colony-stimulating factor (GM-CSF) or interleukin-3 (IL-3) on the regulation of human megakaryocytopoiesis was performed using a serum-depleted clonal assay system and a long-term bone marrow culture system. The effects of the c-kit ligand on the primitive ...
We studied the synergistic effects of stem cell factor (SCF) and other burst-promoting activities (BPAs) such as interleukin-3 (IL-3), granulocyte-macrophage colony-stimulating factor (GM-CSF), or IL-9 on proliferation of human peripheral blood-derived highly purified progenitors. SCF, IL-3, GM-CSF, and IL-9 showed significant BPA when CD34+HLA-DR+ cells were used as the target population. IL-3...
OBJECTIVE The authors assessed whether brain changes detected by diffusion tensor (DT) MRI can improve the understanding of structural damage in Alzheimer's disease (AD) and are associated with different risks of conversion to AD in amnestic mild cognitive impairment (aMCI). METHODS Twenty-one aMCI patients, 21 AD patients and 20 healthy subjects underwent conventional and DT MRI at baseline....
هدف از انجام این مطالعه بررسی چگونگی اثر tgf-b2 بر بیان ژن gm-csf انسانی می باشد. (gm-csf) granulocyte- macrophage colony stimulating factor قادر به تحریک پدیده تمایز در سلولهای مادری خونساز بوده و فعالیت سلولهای بالغ خونی را تحت تاثیر قرار می دهد. از این جهت همیشه بعنوان یک عامل مهم در پدیده خونسازی مورد توجه بوده است. سلولهای 5637 بدلیل افزایش نیمه عمر رونوشتهای (mrna) و بیان...
Background: &beta-thalassemia is the most common monogenic disorder in human. The (CT) polymorphism at -158 upstream region of the &gammaG-globin gene and pharmacological factors such as hydroxyurea have been reported to influence &gamma-globin gene expression and the severity of clinical symptoms of &beta-thalassemia. Methods: In the present study, 51 &beta-thalassemia intermediate patients w...
A complement (C)-dependent antiglobulin assay was utilized to determine the reactivity of non-C-fixing monoclonal antibodies (MoAb) with human granulocyte-macrophage progenitor cells (CFU-GM). The variables of the assay were analyzed with non-C-fixing MoAb against Ia antigens, including CR11-462, which recognizes the same (or spatially close) determinant identified by the C-fixing anti-Ia MoAb ...
We demonstrate autosomal-recessive Caspase Recruitment Domain-containing protein 9 (CARD9) deficiency in a patient with relapsing C. albicans meningoencephalitis. We identified a novel, hypomorphic mutation with intact Th17 responses, but impaired GM-CSF responses. We report complete clinical remission with adjunctive GM-CSF therapy, suggesting that a CARD9/GM-CSF axis contributes to susceptibi...
The HL-60 model of myeloid maturation was used to test whether changes in signaling from the granulocyte-macrophage colony-stimulating factor (GM-CSF) receptor accompany maturation-related changes in cellular responses to GM-CSF. Receptor expression, tyrosine phosphorylation, functional activity, and c-fos gene expression were measured. Functional GM-CSF receptors were present throughout differ...
An association has been established between human Ia-like (Ia) antigenic determinants, expression during DNA synthesis on granulocyte-macrophage colony forming cells (CFU-GM) and the regulatory action of acidic isoferritins in vitro. Treatment of human bone marrow cells with monoclonal-anti-Ia-like (Ia) plus complement inhibited colony and cluster formation by approximately 50% but did not affe...
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