نتایج جستجو برای: cd123
تعداد نتایج: 459 فیلتر نتایج به سال:
We found previously that Id3, which inhibits transcriptional activities of many basic helixloop-helix transcription factors, blocked T and B cell development but stimulated natural killer (NK) cell development. Here we report that ectopic expression of Id3 and another Id protein, Id2, strongly inhibited the development of primitive CD34 1 CD38 2 progenitor cells into CD123 high dendritic cell (...
Initially considered to be of natural killer (NK)-cell origin, CD4+ CD56+ blastic tumors (BTs) of skin have recently been proposed to be of dendritic cell lineage. We have previously described BTs with transformation to myelomonocytic leukemia. Here we report expression of the lymphoid proto-oncogene TCL1 in 10 (83%) of 12 BTs and in lymph node plasmacytoid dendritic cells (DC2s). TCL1 was also...
The orally active microtubule-depolymerizing agent CYT997 is potently cytotoxic to a variety of tumors in vitro and in vivo. However, the effects of this agent on acute myeloid leukemia (AML) cells and its mechanisms are unknown. The present study demonstrated that CYT997 effectively inhibited the growth of AML cells in vitro. Treatment of AML cells with CYT997 resulted in G2/M phase cell cycle...
Blastic plasmacytoid dendritic cell neoplasm is a rare and aggressive hematodermic neoplasia with frequent cutaneous involvement and leukemic dissemination. We report the case of a 76-year-old man with a 2 month history of violaceous nodules and a tumor with stony consistency, located on the head, and mandibular, cervical and supraclavicular lymphadenopathies. Multiple thoracic and abdominal ad...
A 63-year-old man with a history of chronic myelomonocytic leukemia (CMML) presented 2 month widespread nonpainful skin lesions. Otherwise he felt well and reported no systemic symptoms. On examination, there were nontender violaceous, firm nodules on his face, torso, arms, legs; some lesions appeared ‘bruise-like’ (Fig 1, B). An urgent diagnostic biopsy showed dermis widely infiltrated by mono...
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