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1.
Indian J Hematol Blood Transfus ; 36(2): 271-276, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32425377

RESUMO

Increasing evidence of involvement of non-coding RNAs, especially long non-coding RNAs (lncRNAs), in the molecular biology of various malignancies have been recently reported. Their utilization as markers for diagnosis, prognosis and evaluation of treatment response was widely investigated. As the impact of lncRNA HOTAIR on multiple myeloma (MM) was not properly highlighted, we aimed to explore the expression levels of HOTAIR in three groups of MM patients and to analyze its relationship to different patients' characteristics. Plasma samples were withdrawn from 24 newly diagnosed MM patients, 23 post-therapy patients in complete response (CR) or very good partial response (VGPR) and 15 patients who had either progressive disease (PD) or relapse. The expression of lncRNA HOTAIR in MM patients and 20 healthy controls was analyzed by quantitative reverse transcription polymerase chain reactions. HOTAIR was significantly upregulated in newly diagnosed and PD/relapse categories in comparison with controls and MM patients who had achieved CR or VGPR (P < 0.001). Furthermore; HOTAIR expression levels correlated with the percentage of malignant plasma cells in bone marrow (P = 0.006) and disease stage (ISS stage) (P = 0.031). HOTAIR may be employed as  prognostic molecular marker and novel therapeutic tool for newly diagnosed MM patients.

2.
Hematology ; 24(1): 103-107, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-30198830

RESUMO

OBJECTIVES: Although many studies have assessed numerous molecular and immunohistochemical prognostic markers for diffuse large Bcell lymphoma (DLBCL), there is always a need for simple widely available markers. This study was planned to illustrate the clinical significance of baseline plasma fibrinogen levels in DLBCL patients. METHODS: We prospectively investigated 76 DLBCL patients treated with rituximab plus cyclophosphamide, vincristine, doxorubicin and hostacortine between August 2015 and February 2018. Baseline plasma fibrinogen level was measured and correlated with patients' clinical features, laboratory parameters, response to therapy, progression-free survival and overall survival. RESULTS: Significant association between fibrinogen level and clinical features such as the presence of B symptoms (P < .001) and clinical stage (P < .001) was observed while no association with age, gender, number of involved extranodal sites, performance status and international prognostic index (IPI) was found. Baseline fibrinogen level was significantly related to laboratory parameters including red cell distribution width (RDW) (P < .001), platelet count (P = .02), serum lactate dehydrogenase (LDH) (P = .009) and B2-microglobulin (P = .008). No statistically significant correlations were detected between baseline fibrinogen levels; and response to therapy, progression-free survival and overall survival. CONCLUSION: Baseline plasma fibrinogen level did not show prognostic significance for DLBCL patients, although it was associated with patients' clinical features and laboratory parameters. Being simple, cheap and widely available laboratory test, its use should be encouraged routinely in clinical practice to precisely clarify its predictive merit.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Biomarcadores Tumorais/sangue , Fibrinogênio/metabolismo , Linfoma Difuso de Grandes Células B , Adulto , Idoso , Ciclofosfamida/administração & dosagem , Intervalo Livre de Doença , Doxorrubicina/administração & dosagem , Feminino , Seguimentos , Humanos , Linfoma Difuso de Grandes Células B/sangue , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Linfoma Difuso de Grandes Células B/mortalidade , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Rituximab/administração & dosagem , Taxa de Sobrevida , Vincristina/administração & dosagem
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