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https://www.readbyqxmd.com/read/28330175/exploration-of-the-binding-modes-of-l-asparaginase-complexed-with-its-amino-acid-substrates-by-molecular-docking-dynamics-and-simulation
#1
Erva Rajeswara Reddy, Rajulapati Satish Babu, Potla Durthi Chandrasai, Pola Madhuri
Acute lymphocytic leukemia (ALL) is an outrageous disease worldwide. L-Asparagine (L-Asn) and L-glutamine (L-Gln) deamination plays crucial role in ALL treatment. Role of Erwinaze(®) (L-asparaginase from Erwinia chrysanthemi) in regulation of L-Asn and L-Gln has been confirmed by the experimental studies. Therapeutic research against ALL remained elusive with the lack of structural information on Erwinaze(®) enzyme. In this present study, homology model of the Erwinaze(®) was developed using MODELLER and the same was validated by various quality indexing tools...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330111/effect-of-stat3-inhibitor-in-chronic-myeloid-leukemia-associated-signaling-pathway-a-mathematical-modeling-simulation-and-systems-biology-study
#2
Himansu Kumar, Swapnil Tichkule, Utkarsh Raj, Saurabh Gupta, Swati Srivastava, Pritish Kumar Varadwaj
Chronic myeloid leukemia (CML) is a hematopoietic stem-cell disorder which proliferates due to abnormal growth of basophil cells. Several proangiogenic molecules have been reported to be associated in CML progression, including the hepatocyte growth factor (HGF). However, detail mechanism about the cellular distribution and function of HGF in CML is yet to be revealed. The proliferation of hematopoietic cells are regulated by some of the growth factors like interleukin 3 (IL-3), IL-6, erythropoietin, thrombopoietin, etc...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330072/molecular-dynamic-simulations-of-escherichia-coli-l-asparaginase-to-illuminate-its-role-in-deamination-of-asparagine-and-glutamine-residues
#3
Rajeswara Reddy Erva, Satish Babu Rajulapati, Chandrasai Potla Durthi, Mayuri Bhatia, Madhuri Pola
Acute lymphocytic leukemia (ALL) is an outrageous disease worldwide. L-Asparagine (L-Asn) and L-Glutamine (L-Gln) deamination play a crucial role in ALL treatment. Role of Elspar(®) (L-asparaginase from Escherichia coli) in regulation of L-Asn and L-Gln has been confirmed by the other researchers through experimental studies. Therapeutic research against ALL remained elusive with the lack of information on molecular interactions of Elspar(®) with amino acid substrates. In the present study, using different docking tools binding cavities, key residues in binding and ligand binding mechanisms were identified...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329668/stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-us-adults
#4
Derek Y Hsu
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening disorders. The incidences, mortality and cost of SJS and TEN in US adults are not well-characterized. We analyzed data from the 2009-2012 Nationwide Inpatient Sample, containing a representative 20% sample of all hospitalizations in the US. SJS, SJS/TEN and TEN were identified by a validated algorithm using ICD-9- CM codes. The mean incidences of SJS, SJS/TEN and TEN were 9.3, 1.6, and 1.9 per million people per year, respectively...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329633/comorbidities-of-hospitalized-pemphigus-patients-in-the-united-states
#5
Derek Y Hsu Y Hsu
We sought to determine the comorbid health conditions and inpatient mortality associated with pemphigus in a U.S. inpatient cohort. The 2002-2012 Nationwide Inpatient Sample, which contains a representative 20% stratified sample of all inpatient hospitalizations in the US, was analyzed. Comorbidities were determined through ICD-9-CM codes. Survey weighted multivariate logistic regression models controlling for demographic factors were constructed to determine the association of pemphigus with various comorbidities...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329554/eosinophilic-dermatosis-of-hematologic-malignancy
#6
Kathryn Martires, Shields Callahan, Vitaly Terushkin, Nooshin Brinster, Marie Leger, Nicholas A Soter
We report a 68-year-old woman with chroniclymphocytic leukemia, who developed numerous,pruritic, edematous, and vesicobullous skin lesionsof the face and extremities over the course of severalmonths. The diagnosis of eosinophilic dermatosis ofhematologic malignancy (EDHM) was made basedon the clinical history and histopathologic features.Owing to the possible link between EDHM and amore aggressive underlying CLL, she was startedagain on chemotherapy. This case serves as areminder that, although the precise pathogenesis ofEDHM remains unclear, the paraneoplastic disorderis the result of immune dysregulation...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329538/primary-cutaneous-smoldering-adult-t-cell-leukemia-lymphoma
#7
Julia Gittler, Kathryn Martires, Vitaly Terushkin, Nooshin Brinster, David Ramsay
HTLV-1 is a virus that is endemic in southwesternJapan and the Caribbean and has been implicatedin the development of ATLL. ATLL, which is anuncommon malignant condition of peripheralT-lymphocytes, is characterized by four clinicalsubtypes, which include acute, lymphomatous,chronic, and smoldering types, that are based onLDH levels, calcium levels, and extent of organinvolvement. We present a 52-year- old woman withpruritic patches with scale on the buttocks and withtender, hyperpigmented macules and papules oftwo-years duration...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329517/purple-patches-in-an-immunocompromised-patient-a-report-of-secondary-disseminated-cutaneous-mucormycosis-in-a-man-with-chronic-lymphocytic-leukemia
#8
Sanjana Iyengar, Cindy J Chambers, Jillian W Millsop, Maxwell A Fung, Victoria R Sharon
A 60-year-old man with chronic lymphocytic leukemiadeveloped a deeply violaceous annular patchwith a halo of erythema on the right thigh duringhospitalization for neutropenic fever. Associatedsymptoms included chronic cough and fatigue.Bilateral lung opacities with hilar lymphadenopathywere noted on chest computed tomographyscan. Punch biopsy and tissue culture confirmeda diagnosis of secondary disseminated cutaneousmucormycosis. Although rare, physicians shouldinclude mucormycosis in the differential diagnosisof purpuric patches in immunosuppressed patients...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329516/precursor-b-cell-all-leukemia-cutis-resembling-lipomas-an-atypical-presentation-of-a-rare-entity-and-a-review-of-the-literature
#9
Yuan Yu Michael Huang, Melinda Liu, Jennifer S Ruth, Silvia Potenziani, Sylvia Hsu
Leukemia cutis (LC) is an extramedullary manifestationof leukemia owing to cutaneous infiltration ofneoplastic cells resulting in characteristic firm,erythematous nodules. Most cases of LC occur inpatients with acute myelogenous leukemia andchronic myelogenous leukemia. However in rarecases, LC has presented in patients with acutelymphoblastic leukemia (ALL). In these rare ALLassociatedcases, only 10 cases of precursor-B-ALL(pre-B-ALL) have been described in the literature.We report a case of a 22-year-old man with relapsingpre-B-ALL who presented with a 4-day history ofmultiple asymptomatic, soft, dome-shaped, lipomalikemounds on his scalp and chin, which exhibitedcutaneous involvement by leukemic cells...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329468/cutaneous-t-cell-lymphoma-associated-leser-tr%C3%A3-lat-sign-report-and-world-literature-review
#10
Saisindhu Narala, Philip R Cohen
BACKGROUND: The sign of Leser-Trélat is characterizedby the sudden appearance of seborrheic keratosesassociated with an underlying malignancy. OBJECTIVES: An elderly man who developed multiple new-onsetseborrheic keratoses temporally associated witha diagnosis of mycosis fungoides is described andlymphoma-associated Leser-Trélat sign is reviewed. METHODS: Pubmed was used to search the followingterms: cutaneous T-cell lymphoma, Leser-Trélat,leukemia, lymphoma, mycosis fungoides, and Sézarysyndrome...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329410/long-term-outcome-after-a-treosulfan-based-conditioning-regimen-for-patients-with-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#11
Arnon Nagler, Myriam Labopin, Dietrich Beelen, Fabio Ciceri, Liisa Volin, Avichai Shimoni, Roberto Foá, Noel Milpied, Jacopo Peccatori, Emmanuelle Polge, Audrey Mailhol, Mohamad Mohty, Bipin N Savani
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) is a curative therapy for patients with acute myeloid leukemia (AML). However, post-HCT relapse and regimen-related toxicity remain significant barriers to long-term survival. In recent years, new conditioning regimens have been explored to improve transplantation outcomes in patients with AML. Treosulfan combines a potent immunosuppressive and antileukemic effect with a low toxicity profile. METHODS: To investigate the role of treosulfan-based conditioning, the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party performed a registry analysis of 520 adult patients with AML who received treosulfan-based conditioning and underwent HCT between 2000 and 2012, including 225 patients in first complete remission, 107 in second or later complete remission, and 188 with active/advanced disease 188 (88 with primary refractory disease)...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28328762/a-significant-influence-of-metronidazole-on-busulfan-pharmacokinetics-a-case-report-of-therapeutic-drug-monitoring
#12
Hyewon Chung, Kyung-Sang Yu, Kyung Taek Hong, Jung Yoon Choi, Che Ry Hong, Hyoung Jin Kang, Kyung Duk Park, Hee Young Shin, SeungHwan Lee
Busulfan is a cytotoxic agent used in preconditioning for hematopoietic stem cell transplantation (HSCT). Therapeutic drug monitoring of busulfan is necessary owing to its narrow therapeutic range. Patients undergoing preconditioning are susceptible to infection and might require co-administration of antibiotics. We present a case study of a three-year-old girl with precursor T-cell acute lymphoblastic leukemia who received intravenous busulfan before HSCT. Metronidazole was co-administered before the third dose of busulfan because of Clostridium difficile infection...
March 21, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28328317/antiproliferative-and-apoptotic-effects-of-novel-anti-ror1-single-chain-antibodies-in-hematological-malignancies
#13
Leili Aghebati-Maleki, Vahid Younesi, Behzad Baradaran, Jalal Abdolalizadeh, Morteza Motallebnezhad, Hamid Nickho, Dariush Shanehbandi, Jafar Majidi, Mehdi Yousefi
Receptor tyrosine kinase-like orphan receptor (ROR) proteins are a conserved family of tyrosine kinase receptors that function in developmental processes including cell survival, differentiation, cell migration, cell communication, cell polarity, proliferation, metabolism, and angiogenesis. ROR1 has recently been shown to be expressed in various types of cancer cells but not normal cells. Pharmacokinetics and pharmacodynamics of single-chain Fragment variable (scFv) antibodies provide potential therapeutic advantages over whole antibody molecules...
April 2017: SLAS Discov
https://www.readbyqxmd.com/read/28328172/acute-lymphoblastic-leukemia-in-adolescents-and-young-adults
#14
REVIEW
Michael E Rytting, Elias J Jabbour, Susan M O'Brien, Hagop M Kantarjian
Acute lymphoblastic leukemia (ALL) in the adolescent and young adult (AYA) population is a difficult clinical problem. The AYA population, generally regarded as patients aged 15 to 39 years, currently draws a good deal of attention, particularly in the area of therapy selection. The current trend is to treat this group of patients with leukemia regimens based on pediatric protocols, and results comparing pediatric approaches versus adult approaches to treatment are maturing. Results are pending from a large US trial in which pediatric-based treatment is given to AYA patients with ALL...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28328081/btk-inhibition-is-a-potent-approach-to-block-ige-mediated-histamine-release-in-human-basophils
#15
Dubravka Smiljkovic, Katharina Blatt, Gabriele Stefanzl, Yulia Dorofeeva, Cathrin Skrabs, Margarete Focke-Tejkl, Wolfgang R Sperr, Ulrich Jaeger, Rudolf Valenta, Peter Valent
BACKGROUND: Recent data suggest that Bruton's tyrosine kinase (BTK) is an emerging therapeutic target in IgE receptor (IgER) cross-linked basophils. METHODS: We examined the effects of four BTK inhibitors (ibrutinib, dasatinib, AVL-292, CNX-774) on IgE-dependent activation and histamine release in blood basophils obtained from allergic patients (n=11) and non-allergic donors (n=5). In addition, we examined the effects of these drugs on the growth of the human basophil cell line KU812 and the human mast cell line HMC-1...
March 22, 2017: Allergy
https://www.readbyqxmd.com/read/28327534/the-anti-allergic-rhinitis-effect-of-traditional-chinese-medicine-of-shenqi-by-regulating-mast-cell-degranulation-and-th1-th2-cytokine-balance
#16
Yang-Yang Shao, Yi-Ming Zhou, Min Hu, Jin-Ze Li, Cheng-Juan Chen, Yong-Jiang Wang, Xiao-Yun Shi, Wen-Jie Wang, Tian-Tai Zhang
Shenqi is a traditional Chinese polyherbal medicine has been widely used for the treatment of allergic rhinitis (AR). The aim of this study was to investigate the anti-allergic rhinitis activity of Shenqi and explore its underlying molecular mechanism. Ovalbumin (OVA)-induced allergic rhinitis rat model was used to evaluate the anti-allergic rhinitis effect of Shenqi. The effect of Shenqi on IgE-mediated degranulation was measured using rat basophilic leukemia (RBL-2H3) cells. Primary spleen lymphocytes were isolated to investigate the anti-allergic mechanism of Shenqi by detecting the expression of transcription factors via Western blot and the level of cytokines (IL-4 and IFN-γ) via ELISA...
March 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28327053/predictive-parameters-for-imatinib-failure-in-patients-with-chronic-myeloid-leukemia
#17
Danijela Lekovic, Mirjana Gotic, Natasa Milic, Biljana Zivojinovic, Jelica Jovanovic, Natasa Colovic, Violeta Milosevic, Andrija Bogdanovic
OBJECTIVE: Until recently, imatinib was the standard first-line treatment in chronic myeloid leukemia (CML). The inclusion of nilotinib and dasatinib as first-line options in CML raised a debate on treatment selection. The aim of our study was to analyze predictive parameters for imatinib response as the first-line treatment of CML patients. METHODS: The study included 168 consecutive patients with chronic phase Philadelphia-positive CML who were diagnosed and treated with Imatinib 400 mg once daily at a single university hospital...
March 22, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28326965/hematogones-detected-by-flow-cytometry-in-a-child-with-vitamin-b12-deficiency
#18
Lisa Sutton, Nkechi Mba
Vitamin B12 deficiency is a known cause of megaloblastic anemia and bone marrow failure. Bone marrow biopsies are not frequently performed as part of the diagnostic workup and can demonstrate morphologic features that overlap with myelodysplastic syndrome (MDS) and acute leukemia. We describe a case of a dysplastic bone marrow with increased bone marrow hematogones detected by flow cytometry in a child with vitamin B12 deficiency. Hematogones are normal B cell precursors, and hyperplasia has been described in a variety of often reactive conditions and also disease...
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28326824/osteopontin-its-potential-role-in-cancer-of-children-and-young-adults
#19
Gabrielle Karpinsky, Aleksandra Fatyga, Malgorzata Anna Krawczyk, Madeleine Chamera, Natalia Sande, Dagmara Szmyd, Ewa Izycka-Swieszewska, Ewa Bien
OBJECTIVE: Osteopontin (OPN) is aglyco-phosphoprotein, involved in tissue remodeling, inflammation and boneresorption. In various adult neoplasms OPN was shown to correlate with cancer progression, invasiveness and metastasis. AIM: to define the role of OPN in malignancies of children and young adults. MATERIAL AND METHODS: a structured PubMed and Google Scholar literature analysis based on reports published in English between I'1995 and XII'2015...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28326798/indwelling-pleural-catheters-for-patients-with-hematologic-malignancies-a-14-year-single-center-experience
#20
Saadia A Faiz, Priyanka Pathania, Juhee Song, Liang Li, Diwakar D Balachandran, David E Ost, Rodolfo C Morice, Vickie R Shannon, Lara Bashoura, George A Eapen, Carlos A Jimenez
RATIONALE: Placement of an indwelling pleural catheter is an established modality for symptom relief and pleurodesis in the treatment of malignant pleural effusion. Concerns remain regarding possible infectious complications, risk of hemorrhage, and the rate of pleurodesis with the use of pleural catheters in the treatment of hematologic malignancies. OBJECTIVES: The goals of our study were: (1) to evaluate the safety and cumulative incidence of pleurodesis with indwelling pleural catheters for patients with hematologic malignancies; and (2) to evaluate overall survival of this cohort of patients with pleural effusions...
March 22, 2017: Annals of the American Thoracic Society
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