Abstract：
:The failure of complete remissions to reliably translate into cures in acute myeloid leukemia (AML) can be explained by the leukemia stem cell (LSC) paradigm, which hypothesizes that rare leukemia cells with stem cell features, including self-renewal capacity and drug resistance, are primarily responsible for both disease maintenance and relapses. Traditionally, the ability to generate AML in immunocompromised mice were how these so-called LSCs were identified. Only those rare AML cells characterized by a hematopoietic stem cell (HSC) CD34+CD38- phenotype were believed capable of generating leukemia in immunocompromised mice, but more recently, significant heterogeneity in the phenotypes of engrafting AML cells has been demonstrated. Moreover, AML cells that engraft immunocompromised mice do not necessarily represent either the founder clone or those cells responsible for relapse. A recent study found that the most immature phenotype present in an AML was heterogeneous, but correlated with genetically defined risk groups and outcomes. Patients with AML cells expressing a primitive HSC phenotype (CD34+CD38- with high aldehyde dehydrogenase activity) manifested significantly lower complete remission rates, as well as poorer event-free and overall survivals. AMLs in which the most primitive cells displayed more mature phenotypes were associated with better outcomes. The strong clinical correlations suggest that the most immature phenotype detectable within a patient's AML might serve as a biomarker for "clinically relevant" LSCs. The minimal residual disease state during first remission may be the optimal setting to study novel LSC-targeted therapies, since they may have limited activity against the bulk leukemia and will be utilized at lowest tumor burden as well as least tumor heterogeneity.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Karantanos T,Jones RJdoi
10.1007/978-3-030-14366-4_9subject
Has Abstractpub_date
2019-01-01 00:00:00pages
153-169eissn
0065-2598issn
2214-8019journal_volume
1139pub_type
杂志文章,评审abstract：:Sarcoidosis is a systemic granulomatous disease with unknown etiology. Lungs and lymph nodes are commonly affected. Also, cases of pulmonary hypertension (PH) and pulmonary arterial hypertension (PAH) are described. However, the exact prevalence of PAH in patients with sarcoidosis is unclear. A 111 patients with prove...
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更新日期：2018-01-01 00:00:00
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journal_title：Advances in experimental medicine and biology
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doi：
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更新日期：2013-01-01 00:00:00
abstract：:Complementary and alternative medicine (CAM) encompasses a wide range of different nonmainstream therapies that have been increasingly used for treatment or adjunctive treatment of various ailments with anxiety/anxiety disorders being one of the commonly CAM (self)-medicated conditions. Thousands of published papers r...
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更新日期：1983-01-01 00:00:00
abstract：:The diagnosis of temporomandibular joint (TMJ) disorders consists of clinical (Reaserch Diagnostic Criteria for Temporomandibular Disorders, RDC/TMD) and additional (computer tomography, CT or magnetic resonance imaging, and MRI) examinations. Due to the growing knowledge of pathologic changes within the TMJ, the rese...
journal_title：Advances in experimental medicine and biology
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doi：10.1007/978-94-007-6627-3_30
更新日期：2013-01-01 00:00:00
