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https://www.readbyqxmd.com/read/28212527/a-multicenter-phase-ii-study-of-salvage-photodynamic-therapy-using-talaporfin-sodium-me2906-and-a-diode-laser-pnl6405epg-for-local-failure-after-chemoradiotherapy-or-radiotherapy-for-esophageal-cancer
#1
Tomonori Yano, Hiroi Kasai, Takahiro Horimatsu, Kenichi Yoshimura, Satoshi Teramukai, Satoshi Morita, Harue Tada, Yoshinobu Yamamoto, Hiromi Kataoka, Naomi Kakushima, Ryu Ishihara, Hajime Isomoto, Manabu Muto
Photodynamic therapy (PDT) showed promising efficacy for local failure after chemoradiotherapy (CRT) for esophageal cancer. However, PDT required long sun shade period. This study aimed to evaluate the safety and efficacy of PDT using second generation photosensitizer, talaporfin sodium for local failure after CRT. This was the multi-institutional non-randomized phase II study. Patients with histologically proven local failure limited within the muscularis propria after 50Gy or more radiotherapy (RT) for esophageal cancer were eligible...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/28212373/poly-adp-ribose-polymerase-1-mrna-levels-strongly-correlate-with-the-prognosis-of-myelodysplastic-syndromes
#2
P Diamantopoulos, K Zervakis, P Zervakis, M Sofotasiou, T Vassilakopoulos, I Kotsianidis, A Symeonidis, V Pappa, A Galanopoulos, E Solomou, E Kodandreopoulou, V Papadopoulou, P Korkolopoulou, M Mantzourani, G Kyriakakis, N-A Viniou
Poly (ADP-ribose) polymerase 1 (PARP-1) has a central role in the repair of DNA breaks and is a promising treatment target in malignancy. We measured PARP1 mRNA levels by a SYBR-green-based PCR in the bone marrow of 74 patients with myelodysplastic syndrome (MDS) and correlated them to their demographic, hematologic and prognostic characteristics. The median PARP1 mRNA levels were correlated to the type of MDS (2008/2016 WHO classification, P=0.005) and to the IPSS score (P=0.002). A correlation was also found with the IPSS-R score (P=0...
February 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28211887/germline-mutations-predisposing-to-diffuse-large-b-cell-lymphoma
#3
REVIEW
O C Leeksma, N F de Miranda, H Veelken
Genetic studies of diffuse large B-cell lymphomas (DLBCLs) in humans have revealed numerous targets of somatic mutations and an increasing number of potentially relevant germline alterations. The latter often affect genes involved in DNA repair and/or immune function. In general, defects in these genes also predispose to other conditions. Knowledge of these mutations can lead to disease-preventing measures in the patient and relatives thereof. Conceivably, these germline mutations will be taken into account in future therapy of the lymphoma...
February 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28211307/local-and-systemic-changes-associated-with-long-term-percutaneous-static-implantation-of-titanium-alloys-in-rhesus-macaques-macaca-mulatta
#4
Galit H Frydman Robert P Marini Vasudevan Bakthavatchalu Kathleen E Biddle Sureshkumar Muthupalani Charles R Vanderburg Barry Lai Pavan K Bendapudi Ronald G Tompkins And James G Fox
Metal alloys are frequently used as implant materials in veterinary medicine. Recent studies suggest that many alloys induce both local and systemic inflammatory responses. In this study, 37 rhesus macaques with long-term skull-anchored percutaneous titanium alloy implants (duration, 0 to 14 y) were evaluated for changes in their hematology, coagulation, and serum chemistry profiles. Negative controls (n = 28) did not have implants. Macaques with implants had higher plasma D-dimer and lower antithrombin III concentrations than nonimplanted animals...
February 16, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28211293/hfe-gene-mutation-and-iron-overload-in-egyptian-pediatric-acute-lymphoblastic-leukemia-survivors-a-single-center-study
#5
Farida H El-Rashedi, Mahmoud A El-Hawy, Sally M El-Hefnawy, Mona M Mohammed
BACKGROUND: Hereditary hemochromatosis gene (HFE) mutations have a role in iron overload in pediatric acute lymphoblastic leukemia (ALL) survivors. We aimed to evaluate the genotype frequency and allelic distribution of the two HFE gene mutations (C282Y and H63D) in a sample of Egyptian pediatric ALL survivors and to detect the impact of these two mutations on their iron profile. PATIENTS AND METHODS: This study was performed on 35 ALL survivors during their follow-up visits to the Hematology and Oncology Unit, Pediatric Department, Menoufia University Hospitals...
February 17, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28211162/efficacy-of-the-oral-mtorc1-inhibitor-everolimus-in-relapsed-or-refractory-indolent-lymphoma
#6
N Nora Bennani, Betsy R LaPlant, Stephen M Ansell, Thomas M Habermann, David J Inwards, Ivana N Micallef, Patrick B Johnston, Luis F Porrata, Joseph P Colgan, Svetomir N Markovic, Grzegorz S Nowakowski, William R Macon, Craig B Reeder, Joseph R Mikhael, Donald W Northfelt, Irene M Ghobrial, Thomas E Witzig
Relapsed indolent lymphoma often becomes refractory to standard chemoimmunotherapy and requires new therapeutic strategies. Targeting the PI3K/mTOR pathway in several types of lymphoma has shown preclinical and clinical efficacy providing the rationale to test this strategy in the treatment of relapsed/refractory indolent lymphomas. We investigated in a phase II open label clinical trial the efficacy and safety of single agent everolimus, an inhibitor of mTORC1, in patients with relapsed/refractory indolent lymphomas...
February 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28210842/uric-acid-as-a-novel-biomarker-for-bone-marrow-function-and-incipient-hematopoietic-reconstitution-after-aplasia-in-patients-with-hematologic-malignancies
#7
Sebastian P Haen, Vicky Eyb, Nora Mirza, Aline Naumann, Andreas Peter, Markus W Löffler, Christoph Faul, Wichard Vogel, Wolfgang A Bethge, Hans-Georg Rammensee, Lothar Kanz, Martin Heni
PURPOSE: Prolonged aplasia and graft failure (GF) represent life-threatening complications after hematopoietic cell transplantation (HCT) requiring suitable biomarkers for early detection and differentiation between GF and poor graft function (PGF). Uric acid (UA) is a strong immunological danger signal. METHODS: Laboratory results were analyzed from patients undergoing either allogeneic or autologous HCT or induction chemotherapy for acute leukemia (n = 50 per group, n = 150 total)...
February 16, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28210839/thrombotic-microangiopathy-caused-by-methionine-synthase-deficiency-diagnosis-and-treatment-pitfalls
#8
Maria Helena Vaisbich, Andressa Braga, Maria Gabrielle, Clarissa Bueno, Flávia Piazzon, Fernando Kok
BACKGROUND: Inborn errors of cobalamin (Cbl) metabolism form a large group of rare diseases. One of these, Cbl deficiency type C (CblC), is a well-known cause of thrombotic microangiopathy (TMA), especially in infants. However, there has only been a single published case of TMA associated to Cbl deficiency type G (CblG), also known as methionine synthase deficiency (MSD). CASE DIAGNOSIS/TREATMENT: A 21-month-old boy presented with pallor and oral ulcers during episodes of upper respiratory infection (URI)...
February 16, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28210518/epstein-barr-virus-induced-mononucleosis-as-an-imitator-of-severe-preeclampsia
#9
S Allison Staley, Marcela C Smid, Sarah K Dotters-Katz, Elizabeth M Stringer
Background In pregnancy, conditions presenting with hematologic abnormalities, transaminitis, and proteinuria pose diagnostic challenges in pregnancy. Case We present the case of an 18-year-old woman, G1P0, at 33 weeks' gestation with fever of unknown cause, who developed progressively elevated liver enzymes, proteinuria, and thrombocytopenia, due to Epstein-Barr virus (EBV) infection. Conclusion Acute infection with EBV should be included in the differential diagnosis of preeclampsia with severe features, particularly in the setting of fever...
January 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28209919/clinical-significance-of-csf3r-srsf2-and-setbp1-mutations-in-chronic-neutrophilic-leukemia-and-chronic-myelomonocytic-leukemia
#10
Yuan Ouyang, Chun Qiao, Yu Chen, Su-Jiang Zhang
Chronic neutrophilic leukemia (CNL) and chronic myelomonocytic leukemia (CMML) are rare hematologic neoplasms. We performed CSF3R, SRSF2 and SETBP1 mutational analyses in 10 CNL and 56 CMML patients. In this sample cohort, 80% of CNL patients harbored CSF3R mutations, of which the CSF3R T618I mutation was dominant. Mutations in CSF3R and SETBP1 were found in 7.1% and 5.3% CMML patients respectively, while 25% of CMML patients carried SRSF2 mutations. Strikingly, we identified that all of the CSF3R mutations detected in CMML patients were represented by a P733T mutation...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209720/acquired-expression-of-cbl-q367p-in-mice-induces-dysplastic-myelopoiesis-mimicking-chronic-myelomonocytic-leukemia
#11
Yuichiro Nakata, Takeshi Ueda, Akiko Nagamachi, Norimasa Yamasaki, Ken-Ichiro Ikeda, Yasuyuki Sera, Keiyo Takubo, Akinori Kanai, Hideaki Oda, Masashi Sanada, Seishi Ogawa, Kohichiro Tsuji, Yasuhiro Ebihara, Linda Wolff, Zen-Ichiro Honda, Toshio Suda, Toshiya Inaba, Hiroaki Honda
Chronic myelomonocytic leukemia (CMML) is a hematological malignancy characterized by uncontrolled proliferation of dysplastic myelomonocytes and frequent progression to acute myeloid leukemia (AML). We identified mutations in the Cbl gene, which encodes a negative regulator of cytokine signaling, in a subset of CMML patients. To investigate the contribution of mutant Cbl in CMML pathogenesis, we generated conditional knock-in mice for Cbl that express wild-type Cbl in a steady state and inducibly express Cbl(Q367P) , a CMML-associated Cbl mutant...
February 16, 2017: Blood
https://www.readbyqxmd.com/read/28209479/subacute-immunotoxicity-of-the-marine-phycotoxin-yessotoxin-in-rats
#12
Sara F Ferreiro, Natalia Vilariño, Cristina Carrera, M Carmen Louzao, Germán Santamarina, Antonio G Cantalapiedra, J Manuel Cifuentes, Andrés C Vieira, Luis M Botana
Yessotoxin (YTX) is a marine phycotoxin produced by dinoflagellates and accumulated in filter feeding shellfish. YTX content in shellfish is regulated by many food safety authorities to protect human health, although currently no human intoxication episodes have been unequivocally related to YTX presence in food. The immune system has been proposed as one of the target organs of YTX due to alterations of lymphoid tissues and cellular and humoral components. The aim of the present study was to explore subacute immunotoxicity of YTX in rats by evaluating the hematological response, inflammatory cytokine biomarkers and the presence of YTX-induced structural alterations in the spleen and thymus...
February 13, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28208868/female-genital-tract-involvement-in-acute-lymphoblastic-leukemia-a-rare-case-report
#13
Vikram Narang, Amit Dhiman, Bhavna Garg, Neena Sood
Female Genital Tract (FGT) involvement with hematologic neoplasms is uncommon and the hematologic malignancies which involve the female genital organs are usually non-Hodgkin's lymphoma. Involvement of the uterus and cervix with Acute Lymphoblastic Leukaemia (ALL) is extremely rare, and ovarian involvement is even rarer. We report the case of a young lady who presented with tubo-ovarian mass, excessive post-operative bleeding (post-total abdominal hystrerctomy and bilateral salpingo-oophorectomy) and was diagnosed to have ALL with blood and tissue involvement by histopathology and flow cytometry...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208828/ginkgolic-acid-c-17-1-derived-from-ginkgo-biloba-leaves-suppresses-constitutive-and-inducible-stat3-activation-through-induction-of-pten-and-shp-1-tyrosine-phosphatase
#14
Seung Ho Baek, Jong Hyun Lee, Chulwon Kim, Jeong-Hyeon Ko, Seung-Hee Ryu, Seok-Geun Lee, Woong Mo Yang, Jae-Young Um, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Gautam Sethi, Kwang Seok Ahn
Ginkgolic acid C 17:1 (GAC 17:1) extracted from Ginkgo biloba leaves, has been previously reported to exhibit diverse antitumor effect(s) through modulation of several molecular targets in tumor cells, however the detailed mechanism(s) of its actions still remains to be elucidated. Signal transducer and activator of transcription 3 (STAT3) is an oncogenic transcription factor that regulates various critical functions involved in progression of diverse hematological malignancies, including multiple myeloma, therefore attenuating STAT3 activation may have a potential in cancer therapy...
February 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28208215/nanoparticle-delivery-systems-general-approaches-and-their-implementation-in-multiple-myeloma
#15
REVIEW
Pilar de la Puente, Abdel Kareem Azab
Multiple myeloma (MM) is a hematological malignancy that remains incurable, with relapse rates greater than 90%. The main limiting factor for the effective use of chemotherapies in MM is the serious side effects caused by these drugs. The emphasis in cancer treatment has shifted from cytotoxic, non-specific chemotherapies to molecularly targeted and rationally designed therapies showing greater efficacy and fewer side effects. Traditional chemotherapy has shown several disadvantages such as lack of targeting capabilities, systemic toxicity and side effects; low therapeutic index, as well as, most anticancer drugs have poor water solubility...
February 16, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28208025/aeol-10150-mitigates-radiation-induced-lung-injury-in-the-nonhuman-primate-morbidity-and-mortality-are-administration-schedule-dependent
#16
Thomas J MacVittie, Allison Gibbs, Ann M Farese, Kory Barrow, Alexander Bennett, Cheryl Taylor-Howell, Abdul Kazi, Karl Prado, George Parker, William Jackson Iii
Pneumonitis and fibrosis are potentially lethal, delayed effects of acute radiation exposure. In this study, male rhesus macaques received whole-thorax lung irradiation (WTLI) with a target dose of 10.74 Gy prescribed to midplane at a dose rate of 0.80 ± 0.05 Gy/min using 6 MV linear accelerator-derived photons. The study design was comprised of four animal cohorts: one control and three treated with AEOL 10150 (n = 20 animals per cohort). AEOL 10150, a metalloporphyrin antioxidant, superoxide dismutase mimetic was administered by daily subcutaneous injection at 5 mg/kg in each of three schedules, beginning 24 ± 2 h postirradiation: from day 1 to day 28, day 1 to day 60 or a divided regimen from day 1 to day 28 plus day 60 to day 88...
February 16, 2017: Radiation Research
https://www.readbyqxmd.com/read/28207794/protected-graft-copolymer-formulated-fibroblast-growth-factors-mitigate-the-lethality-of-partial-body-irradiation-injury
#17
Gerardo M Castillo, Akiko Nishimoto-Ashfield, Cynthia C Jones, Kasim K Kabirov, Alexander Zakharov, Alexander V Lyubimov
We evaluated the mitigating effects of fibroblast growth factor 4 and 7 (FGF4 and FGF7, respectively) in comparison with long acting protected graft copolymer (PGC)-formulated FGF4 and 7 (PF4 and PF7, respectively) administered to C57BL/6J mice a day after exposure to LD50/30 (15.7 Gy) partial body irradiation (PBI) which targeted the gastrointestinal (GI) system. The PGC that we developed increased the bioavailability of FGF4 and FGF7 by 5- and 250-fold compared to without PGC, respectively, and also sustained a 24 hr presence in the blood after a single subcutaneous administration...
2017: PloS One
https://www.readbyqxmd.com/read/28207743/lipidomic-approach-for-stratification-of-acute-myeloid-leukemia-patients
#18
Adam Stefanko, Christian Thiede, Gerhard Ehninger, Kai Simons, Michal Grzybek
The pathogenesis and progression of many tumors, including hematologic malignancies is highly dependent on enhanced lipogenesis. De novo fatty-acid synthesis permits accelerated proliferation of tumor cells by providing membrane components but these may also alter physicochemical properties of lipid bilayers, which can impact signaling or even increase drug resistance in cancer cells. Cancer type-specific lipid profiles would permit us to monitor and interpret actual effects of lipid changes, potential fingerprints of individual tumors to be explored as diagnostic markers...
2017: PloS One
https://www.readbyqxmd.com/read/28207543/decreased-adamts-13-level-is-related-to-inflammation-factors-and-risk-stratification-of-acute-lymphoblastic-leukemia-patients
#19
Chen Liu, Lei Zhao, Jingzhong Zhao, Qinzhu Xu, Ying Song, Hui Wang
As a kind of metalloprotease of the ADAMTS family, ADAMTS-13 is crucial for maintaining the normal size of von Willebrand factor. Reduced ADAMTS-13 had been reported in patients with both localized and disseminated malignancies. However, the expression and potential role of ADAMTS-13 in hematological malignancies remain unclear. In this research, we measured and compared ADAMTS-13 levels in plasma of 35 acute lymphoblastic leukemia (ALL) patients and 30 healthy controls and found that ALL patients possessed lower level of ADAMTS-13 than controls...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206683/a-perspective-on-malignancy-in-the-marrow
#20
Michaela R Reagan, Jane Lian, Clifford J Rosen, Gary Stein
Malignancies that grow in the bone marrow cause a cascade of devastating consequences and are almost always fatal. For researchers to make significant headway in finding cures and treatments for these tumors and the subsequent devastation of cancer-induced bone disease, novel strategies and creative solutions will have to be considered. Great progress has been made in treating hematologic and sold tumor malignancies that ultimately affect the bone marrow, although it is also obvious that multi-disciplinary teams are required to ultimately win the war on cancers that affect the bone...
February 16, 2017: Journal of Cellular Physiology
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