نتایج جستجو برای: chromosomal sensitivity
تعداد نتایج: 380653 فیلتر نتایج به سال:
background: acute lymphoblastic leukemia (all) constitutes a heterogeneous group of diseases characterized by abnormal proliferation and accumulation of immature lymphoblasts arrested at various differentiation stages. increasing evidence suggests that chromosomal defects are present in these patients. the aim of this study is to investigate the chromosomal radiosensitivity in a group of all pa...
Background and Objective: Hybrid cells are made from fusion of two or more somatic cells. After formation chromosomes are located in one membrane . . So nucleic condition of each fused cell has changes and two genomes and chromosomes interact with each other. Locating the genes in new nucleic and cytoplasmic condition and great chromosomal rearrangement in these new formed cells can affect th...
background: the major aneuploidies that are diagnosed prenatally involve the autosomal chromosomes 13, 18, and 21, as well as sex chromosomes, x and y. because multiplex ligation-dependent probe amplification (mlpa) is rapid and non-invasive, it has replaced traditional culture methods for the screening and diagnosis of common aneuploidies in some countries. objective: to evaluate the sensitiv...
monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...
Background: Acute lymphoblastic leukemia (ALL) is the most common malignancy in childhood, characterized by excess lymphoblasts, and immature white blood cells that are continuously multiplying and overproducing in the bone marrow. The aim of this investigation was to measure the sensitivity of lymphocytes against gamma irradiation in patients with acute lymphoblastic leukemia, and also find ou...
purpose: the aim of this study was to test the in vitro sensitivity of lymphocytes of patients with head and neck cancer against gamma irradiation and also to find out if the frequencies of chromosomal aberrations correlate with side effects of radiotherapy. patients and methods : peripheral blood of 101 patients with head and neck cancer was collected before the onset of radiotherapy, cultured...
introduction: fluorscence in situ hybridization (fish) enables specific detection of unique sequences of varying length, chromosomal regions or entire chromosomes within metaphase or interphase cells. recent developments in this technology permit the rapid mapping and ordering of dna fragments on single metaphase chromosome bands. the technique of fish incorporates several stages including: pro...
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