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Leukamia

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https://www.readbyqxmd.com/read/27474172/clonal-evolution-of-acute-myeloid-leukemia-highlighted-by-latest-genome-sequencing-studies
#1
Xuehong Zhang, Dekang Lv, Yu Zhang, Quentin Liu, Zhiguang Li
Decades of years might be required for an initiated cell to become a fully-pledged, metastasized tumor. DNA mutations are accumulated during this process including background mutations that emerge scholastically, as well as driver mutations that selectively occur in a handful of cancer genes and confer the cell a growth advantage over its neighbors. A clone of tumor cells could be superseded by another clone that acquires new mutations and grows more aggressively. Tumor evolutional patterns have been studied for years using conventional approaches that focus on the investigation of a single or a couple of genes...
July 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/25338564/-expression-of-musashi-2-gene-in-leukemia-stem-cells-from-acute-myeloid-leukemia-patients
#2
Ai-Fang Ye, Yi-Xiang Han, Sheng-Hui Zhang, Hai-Ying Li, Chi-Qi Chen, Jian-Bo Wu
This study was aimed to detect the expression of Musashi-2 (Msi2) in acute myeloid leukemia (AML) and investigate the relationship between Msi2 and other clinical parameters, especially CD34. A total RNA was extracted from bone marrow of newly diagnosed AML patietns. The Msi2 mRNA expression in newly diagnosed AML patients was detected with real-time fluorescence quantitative RT-PCR. The expression level of CD34 in above-menthioned patients was detected by flow cytometry (FCM). The relationship between the expression of Msi2 mRNA and clinical outcome in AML patients was analysed...
October 2014: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/24800340/effect-of-doxorubicin-and-daunorubicin-on-the-activity-of-acetylcholinesterase-in-acute-lymphoblastic-leukamia
#3
Iftikhar-ud-Din Niazi, Shafiq Ahmed Tariq, Abid Ali
BACKGROUND: Our study was based on the alteration in the Michaelis Mentin parameters Apparent Michaelis Constant (aKm) and Apparent Maximum Velocity (aVm), which reflects activity of actylcholinesterase (AChE). This activity decreases in Acute Lymphoblastic Leukaemia (ALL). This decrease in aKm and aVm values shows bad prognosis. Similarly the anticancer drugs like Daunorubicin and Doxorubicin further decreases the aKm and aVm values which worsen the prognosis. The objective of this study was to determine and compare the extent of inhibition of Acetylecholine Esterase by Daunorubicin and Doxorubicin in ALL...
April 2011: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/24392527/childhood-acute-lymphoblastic-leukaemia-experience-from-a-single-tertiary-care-facility-of-pakistan
#4
Naureen Mushtaq, Zehra Fadoo, Ahmed Naqvi
OBJECTIVE: To evaluate the demographic features, outcome and prognostic factors seen in children with acute lymphoplastic leukaemia at a tertiary care hospital. METHODS: The retrospective descriptive study was conducted at Aga Khan University Hospital, Karachi, comprising data related to children below 15 years of age and treated between January 1997 and December 2006. Kaplan Meir survival curves were used to describe overall and event-free survival rates. Cox Proportional Hazards model was used to describe factors associated with death and relapse...
November 2013: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/16042078/g1-phase-arrest-of-the-cell-cycle-by-a-ginseng-metabolite-compound-k-in-u937-human-monocytic-leukamia-cells
#5
COMPARATIVE STUDY
Kyoung Ah Kang, Yeong Wan Kim, Seung Uk Kim, Sungwook Chae, Young Sang Koh, Hee Sun Kim, Min Kyung Choo, Dong Hyun Kim, Jin Won Hyun
We recently reported that the ginseng saponin metabolite, compound K (20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol, IH901), inhibits the growth of U937 cells through caspase-dependent apoptosis pathway. In this study, we further characterized the effects of compound K on U937 cells and found that, in addition to apoptosis, compound K induced the arrest of the G1 phase. The compound K treated U937 cells showed increased p21 expression; an inhibitory protein of cyclin-cdk complex. The up-regulation of p21 was followed by the inactivation of cyclin D and the cdk4 protein, which act at the early G1 phase, and cyclin E, which acts at the late G1 phase...
June 2005: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/15369395/resistance-modifying-agents-11-1-pyrimido-5-4-d-pyrimidine-modulators-of-antitumor-drug-activity-synthesis-and-structure-activity-relationships-for-nucleoside-transport-inhibition-and-binding-to-alpha1-acid-glycoprotein
#6
Nicola J Curtin, Hannah C Barlow, Karen J Bowman, A Hilary Calvert, Richard Davison, Bernard T Golding, Bing Huang, Peter J Loughlin, David R Newell, Peter G Smith, Roger J Griffin
The cardiovascular and antithrombotic agent dipyridamole (DP) has potential therapeutic utility as a modulator of the activity of antimetabolite antitumor agents by virtue of its inhibition of nucleoside transport. However, the activity of DP can be compromised by binding to the acute phase serum protein, alpha(1)-acid glycoprotein (AGP). Analogues of DP were synthesized and evaluated as inhibitors of (3)H-thymidine uptake into L1210 leukamia cells in the presence and absence of 5 mg/mL AGP. Compounds with potency similar to that of DP were identified where the piperidino substituents at the 4,8-positions were replaced by 4'-methoxybenzylamino, 3',4'-dimethoxybenzylamino, or piperonylamino groups...
September 23, 2004: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/15334066/silencing-of-androgen-regulated-genes-using-a-fusion-of-ar-with-the-plzf-transcriptional-repressor
#7
Joanna Pike, David Holmes, Tahereh Kamalati, Derek Davies, Robert Tolhurst, Danish Mazhar, Sam Fishpool, Rajai al-Jehani, Jonathan Waxman, Arthur Zelent, Nicholas R Lemoine, Simak Ali, Laki Buluwela
The androgen receptor (AR) is a member of the nuclear receptor superfamily of ligand-activated transcription factors and plays a key role in the development and progression of prostate cancer. Current therapies include the use of antiandrogens aimed at inhibiting the transcriptional activation of AR-regulated genes by AR. Here, we explore a strategy aimed at obtaining silencing of AR-regulated genes, based on the properties of the transcriptional repressor promyelocytic leukamia zinc-finger protein (PLZF). In order to do this, we have made a fusion protein between PLZF and AR, named PLZF-AR, and show that PLZF-AR is able to bring about silencing of genomically encoded AR-regulated genes and inhibit the androgen-regulated growth of LNCaP prostate cancer cells...
September 30, 2004: Oncogene
https://www.readbyqxmd.com/read/13857410/leukamia
#8
(no author information available yet)
No abstract text is available yet for this article.
July 9, 1960: Lancet
https://www.readbyqxmd.com/read/13751921/chronic-lymphocytic-leukamia-a-clinical-study-of-thirty-five-cases
#9
D T KAUNG, E BUCHMAN
No abstract text is available yet for this article.
June 1961: Journal
https://www.readbyqxmd.com/read/12984362/-radioactive-phosphorus-in-the-treatment-of-myeloid-leukamias
#10
G MARCHAL
No abstract text is available yet for this article.
1952: Thérapie
https://www.readbyqxmd.com/read/5602029/-on-the-possibility-of-the-development-of-leukamia-after-contamination-with-some-enteroviruses
#11
S Atzev, S Vassilenko
No abstract text is available yet for this article.
1967: Comptes Rendus de L'Académie Bulgare des Sciences: Sciences Mathématiques et Naturelles
https://www.readbyqxmd.com/read/1388880/seven-years-of-recurrent-severe-strongyloidiasis-in-an-htlv-i-infected-man-who-developed-adult-t-cell-leukaemia
#12
O Patey, A Gessain, J Breuil, A Courillon-Mallet, M T Daniel, J M Miclea, A M Roucayrol, F Sigaux, C Lafaix
OBJECTIVE: Human T-cell leukaemia/lymphoma virus type I (HTLV-I) is endemic in Japan, the Caribbean basin and Africa, where it has been aetiologically linked to certain chronic myelopathies and adult T-cell leukamia (ATL). We sought to investigate whether strongyloidiasis, a parasitic disease common in these areas, might be a cofactor in the pathogenesis of ATL, as some reports have suggested. PATIENTS, PARTICIPANTS: One 35-year-old HTLV-I-seropositive French West Indian man with a 7-year history of recurrent strongyloidiasis associated with episodic hyperinfestation presenting at the Centre Hospitalier Intercommunal, Villeneuve St Georges, France...
June 1992: AIDS
https://www.readbyqxmd.com/read/1084760/terminal-deoxynucleotidyl-transferase-in-a-case-of-ph-positive-infant-chronic-myelogenous-leukamia
#13
R Saffhill, T M Dexter, S Muldal, N G Testa, P M Jones, A Joseph
No abstract text is available yet for this article.
June 1976: British Journal of Cancer
https://www.readbyqxmd.com/read/1071449/monocytic-leukamia-a-case-with-unusual-manifestation
#14
P K Raha, M D Chaudhury, K Bhattacharya
No abstract text is available yet for this article.
May 1976: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/926707/-bone-marrow-diagnostic-in-hairy-cell-leukaemia-author-s-transl
#15
U Hahner, R Burkhardt
Evaluation of the histologic changes of the bone marrow and clinical data of twelve male and two female patients with hairy cell leukamia before treatment. Mean age of the patients was 46 years, time from the onset of symptoms 5.5 months. 13 of the patients were anaemic, showing splenomegaly, 12 suffered from thrombopenia, 9 from granulocytopenia, and 8 from hepatomegaly. In all of the cases, the relative numbers of lymphocytes in the blood had been increased together with various amounts of characteristic hairy cells...
October 1, 1977: Klinische Wochenschrift
https://www.readbyqxmd.com/read/519475/immunoreactive-calcitonin-in-leukaemia
#16
C J Hillyard, D G Oscier, R Foa, D Catovsky, J M Goldman
A radioimmunoassay was used to measure concentrations of immunoreactive human calcitonin (HCT) in plasma and leucocytes from patients with various leukaemic and myeloproliferative disorders. Plasma immunoreactive HCT concentrations were increased in 32 out of 33 patients with chronic granulocytic leukaemia (CGL) and in all eight patients with acute myeloid leukamia (AML) at presentation or in relapse. Out of 11 patients with other myeloproliferative disorders, eight had increased plasma immunoreactive HCT concentrations...
December 1, 1979: British Medical Journal (1857-1980)
https://www.readbyqxmd.com/read/413794/protective-isolation-and-antimicrobial-decontamination-in-patients-with-high-susceptibility-to-infection-a-prospective-cooperative-study-of-gnotobiotic-care-in-acute-leukemia-patients-ii-organizational-and-statistical-concept
#17
RANDOMIZED CONTROLLED TRIAL
W Gaus, F Wendt, G Wolf
The organizational and statistical concept of the cooperative randomized controlled clinical trial on gnotobiotic care and its effect in acute leukamia patients is described. The purpose is the clarification of the concept of the study and the comparison with other studies on the same subject. It is concluded that the value of the results and of the decisions based on them depend mainly on the statistical design, the protocol, and the performance of a study. The performance of a controlled study depends on its organizational details, its monitoring, documentation, and appropriate biometric evaluation...
1977: Infection
https://www.readbyqxmd.com/read/268023/cytochemical-demonstration-of-dihydrofolate-reductase-in-leukaemia-and-other-haematological-diseases
#18
F Tzortzatou
The dihydrofolate reductase activity has been studied cytochemically in various haematological diseases. The variation between normal controls, Hodgkin's disease, myeloma, polycythaemia vera, chronic lymphocytic leukaemia and chronic myeloid leukamia was not significant, comparing the same type of cells. In acute myeloid leukaemia and acute lymphoblastic leukaemia the blast cells were weakly positive or negative. This finding is very interesting as the blast cells are capable of division. Probably the dihydrofolate reductase appears in the blast cells in some stage of mitosis...
July 1977: Scandinavian Journal of Haematology
https://www.readbyqxmd.com/read/92310/a-case-of-acute-myelomonocytic-leukaemia-associated-with-therapy-feulgen-dna-microdensitometric-determinations
#19
C Pellicciari, G Rossi, P Verzura, G Marini
A cytochemical study of a case of acute myelomonocytic leukaemia, which arose after radiation therapy and polychemotherapy for Hodgkin's disease, is presented. The distribution of the DNA content of the circulating blood cells appears to be different from the unimodal diploid distribution reported in the literature for acute myelomonocytic leukamias not associated with therapy. This finding seems to strengthen the hypothesis, already put forward by Marinone et al. (1979), that a particular pattern of DNA content distribution could be characteristic of leukaemias linked to chemotherapy and radiotherapy...
1979: Basic and Applied Histochemistry
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