نتایج جستجو برای: gene rearrangement
تعداد نتایج: 1158210 فیلتر نتایج به سال:
uterine leiomyomas/fibroids are the most common pelvic tumors of the female genital tract. the initiators remaining unknown, estrogens and progesterone are considered as promoters of fibroid growth. fibroids are monoclonal tumors showing 40-50% karyo-typically detectable chromosomal abnormalities. cytogenetic aberrations involving chromosomes 6, 7, 12 and 14 constitute the major chromosome abno...
Immunoglobulin genes are generated during differentiation of B lymphocytes by joining gene segments. A mouse pre-B cell contains a functional immunoglobulin heavy-chain gene, but no light-chain gene. Although there is only one heavy-chain locus, there are two light-chain loci: kappa and lambda. It has been reported that kappa loci in the germ-line configuration are never (in man) or very rarely...
OBJECTIVE To evaluate the usefulness of morphologic diagnosis, immunophenotyping and immunoglobulin (Ig) and T-cell receptor (TcR) gene rearrangement studies in the diagnosis of lymphoproliferative disorder. DESIGN A retrospective cohort study with clinical follow-up of controversial cases. SETTING Single institution, tertiary care centre. PATIENTS All 273 patients whose lymphoid tissue s...
Mycosis fungoides (MF), the most common type of cutaneous T-cell lymphoma, has various unspecific clinical and histological characteristics. Its early diagnosis is challenging. The application of T-cell receptor (TCR) gene clonal rearrangement to the diagnosis of MF has been widely studied. In this study, we used polymerase chain reaction (PCR) to investigate the diagnostic significance of dete...
INTRODUCTION ALK gene rearrangement is observed in a small subset (3-7%) of non-small cell lung cancer (NSCLC) patients. The efficacy of crizotinib was shown in lung cancer patients harbouring ALK rearrangement. Nowadays, the analysis of ALK gene rearrangement is added to molecular examination of predictive factors. AIM OF THE STUDY The frequency of ALK gene rearrangement as well as the type ...
Developmentally regulated V(D)J recombination profoundly influences immune repertoires, but the underlying mechanisms are poorly understood. In the endogenous T cell receptor Cgamma1 cluster, the 3' Vgamma3 gene (closest to Jgamma1) rearranges preferentially in the fetal period whereas rearrangement of the 5' Vgamma2 gene predominates in the adult. Reversing the positions of the Vgamma2 and Vga...
A correlation study between IgH gene rearrangement and orbital lymphoma removal operation prognosis.
OBJECTIVE To explore the relationship between IgH gene rearrangement and orbital MALT (mucose-associated lymphoid tissue) lymphoma removal operation prognosis, and to quantify the effect of IgH gene rearrangement on primary orbital MALT lymphoma prognosis. PATIENTS AND METHODS Fifty-eight patient cases with primary orbital MALT lymphoma were included in this study. Orbital lymphoma specimens ...
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