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https://www.readbyqxmd.com/read/29334537/isolated-central-nervous-system-chloroma-as-a-presenting-sign-of-relapsed-pediatric-acute-lymphoblastic-leukemia
#1
Jessica L Heath, Waitman K Aumann, Charles M Maxfield, Daniel S Wechsler
Central nervous system (CNS) chloromas are an exceedingly rare presentation of CNS relapse in acute lymphoblastic leukemia (ALL). We report a relapsed ALL patient who presented with 2 separate chloromas and cerebrospinal fluid lymphoblastocytosis, and outline a treatment plan of systemic chemotherapy and CNS-directed radiation therapy. A review of the literature indicates that multiagent chemotherapy combined with CNS radiotherapy is effective, with hematopoietic stem cell transplantation used in half of reported cases...
January 12, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29334367/unmanipulated-haploidentical-transplantation-conditioning-with-busulfan-cyclophosphamide-and-anti-thymoglobulin-for-adult-severe-aplastic-anaemia
#2
L-P Xu, Z-L Xu, F-R Wang, X-D Mo, T-T Han, W Han, Y-H Chen, Y-Y Zhang, J-Z Wang, Y Wang, C-H Yan, Y-Q Sun, F-F Tang, X-H Zhang, X-J Huang
We conducted a retrospective analysis to evaluate outcomes of haploidentical transplantation in adult severe aplastic anaemia (SAA) patients. Fifty-one adults received haploidentical transplantation between May 2011 and December 2016. Patients were administered busulfan (Bu), cyclophosphamide (Cy) and anti-thymoglobulin (ATG) as conditioning regimens, followed by bone marrow and peripheral blood transplantation. The patients' median age was 25 years. Forty-nine patients survived for more than 28 days and all achieved donor myeloid engraftment...
January 15, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29333922/effect-of-resveratrol-treatment-on-graft-revascularization-after-islet-transplantation-in-streptozotocin-induced-diabetic-mice
#3
Eun-Mi Lee, Inwon Park, Ye-Jee Lee, Young-Hye You, Ji-Won Kim, Myung-Jun Kim, Yu-Bae Ahn, Pilhan Kim, Seung-Hyun Ko
We evaluated the effect of resveratrol (RSV) on graft survival after islet transplantation (ITx) in diabetic mice. Isolated islets from Balb/c mice (200 IEQ) were transplanted under the kidney capsule of diabetic Balb/c mice. Vehicle or RSV (200 mg/kg/day, orally) was given for 14 days after ITx. Two more control groups [STZ-treated (No-ITx-Control) and STZ+RSV-treated (No-ITx-RSV) mice without ITx] were added. Glucose tolerance tests (GTT) was performed at 14 days after ITx. In vitro, isolated islets pretreated with vehicle or RSV (1 μM) were incubated in a hypoxic chamber (O2 1%, 1hr)...
January 15, 2018: Islets
https://www.readbyqxmd.com/read/29333411/successful-treatment-of-a-patient-with-myelodysplastic-syndrome-accompanied-by-pyoderma-gangrenosum-and-beh%C3%A3-et-s-disease-using-allogeneic-stem-cell-transplantation
#4
Seung-Shin Lee, Jae-Sook Ahn, Sook Jung Yun, Dong-Jin Park
No abstract text is available yet for this article.
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333410/transplantation-of-human-umbilical-cord-blood-cd34-cells-into-the-liver-of-newborn-nod-scid-il-2r%C3%AE-null-nsg-mice-after-busulfan-conditioning
#5
Yunmi Ko, Yeon Ho Jeong, Jun Ah Lee
No abstract text is available yet for this article.
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333408/is-long-term-storage-of-cryopreserved-stem-cells-for-hematopoietic-stem-cell-transplantation-a-worthwhile-exercise-in-developing-countries
#6
Santhosh Kumar Devadas, Minal Khairnar, Sumathi S Hiregoudar, Shashank Ojha, Sachin Punatar, Alok Gupta, Anant Gokarn, Pallavi Bhole, Sadhana Kannan, Navin Khattry
Background: Stem cell units (SCUs) that are cryopreserved prior to both autologous and allogeneic hematopoietic stem cell transplants (for donor lymphocyte infusion) remain unused or partially used several times, and become an increased burden to blood banks/SCU repositories. Because of the scarcity of data regarding the duration for which the storage is useful, there is no general consensus regarding disposal of SCUs. Methods: We conducted a retrospective audit of SCU utilization in 435 patients who planned to undergo either autologous stem cell transplantation (auto-SCT) (N=239) or allogeneic stem cell transplantation (allo-SCT) (N=196) at a tertiary cancer care center between November 2007 to January 2015...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333407/the-limited-role-of-serum-galactomannan-assay-in-screening-for-invasive-pulmonary-aspergillosis-in-allogeneic-stem-cell-transplantation-recipients-on-micafungin-prophylaxis-a-retrospective-study
#7
Ryul Kim, Youngil Koh, Dong-Yeop Shin, Pyoeng Gyun Choe, Nam Joong Kim, Sung-Soo Yoon, Myoung-Don Oh, Wan Beom Park, Inho Kim
Background: We evaluated the outcomes of serum galactomannan (GM) assay for the screening of invasive pulmonary aspergillosis (IPA) in allogeneic hematopoietic stem cell transplantation (alloHSCT) recipients while on primary antifungal prophylaxis (PAP). Methods: This study included patients with hematologic disorders who underwent alloHSCT from January 2013 to November 2015. Patients received routine PAP with fluconazole before 2014 and micafungin after 2014; serum GM tests were performed and retrospectively analyzed...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333406/stat3-expression-is-associated-with-poor-survival-in-non-elderly-adult-patients-with-newly-diagnosed-multiple-myeloma
#8
Sung-Hoon Jung, Seo-Yeon Ahn, Hyun-Woo Choi, Myung-Geun Shin, Seung-Shin Lee, Deok-Hwan Yang, Jae-Sook Ahn, Yeo-Kyeoung Kim, Hyeoung-Joon Kim, Je-Jung Lee
Background: Signal transducer and activator of transcription 3 (STAT3) is not only a key signaling molecule in the regulation of growth but is also involved in malignant transformation. We investigated the prognostic significance of STAT3 expression in 94 non-elderly adult patients (aged 38 to 65 yr) with newly diagnosed multiple myeloma (MM). Methods: Tumor cell-specific phosphotyrosine-STAT3 (PY-STAT3) expression at the time of diagnosis was evaluated with dual immunohistochemical (IHC) staining for PY-STAT3 and CD138...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333263/vancomycin-resistant-enterococcus-infection-in-the-hematopoietic-stem-cell-transplant-recipient-an-overview-of-epidemiology-management-and-prevention
#9
REVIEW
Esther Benamu, Stanley Deresinski
Vancomycin-resistant enterococcus (VRE) is now one of the leading causes of nosocomial infections in the United States. Hematopoietic stem cell transplantation (HSCT) recipients are at increased risk of VRE colonization and infection. VRE has emerged as a major cause of bacteremia in this population, raising important clinical questions regarding the role and impact of VRE colonization and infection in HSCT outcomes as well as the optimal means of prevention and treatment. We review here the published literature and scientific advances addressing these thorny issues and provide a rational framework for their approach...
2018: F1000Research
https://www.readbyqxmd.com/read/29333086/ethical-and-safety-issues-of-stem-cell-based-therapy
#10
REVIEW
Vladislav Volarevic, Bojana Simovic Markovic, Marina Gazdic, Ana Volarevic, Nemanja Jovicic, Nebojsa Arsenijevic, Lyle Armstrong, Valentin Djonov, Majlinda Lako, Miodrag Stojkovic
Results obtained from completed and on-going clinical studies indicate huge therapeutic potential of stem cell-based therapy in the treatment of degenerative, autoimmune and genetic disorders. However, clinical application of stem cells raises numerous ethical and safety concerns. In this review, we provide an overview of the most important ethical issues in stem cell therapy, as a contribution to the controversial debate about their clinical usage in regenerative and transplantation medicine. We describe ethical challenges regarding human embryonic stem cell (hESC) research, emphasizing that ethical dilemma involving the destruction of a human embryo is a major factor that may have limited the development of hESC-based clinical therapies...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29333026/renal-lymphoma-primary-or-first-manifestation-of-aggressive-pediatric-b-cell-lymphoma
#11
Pragnya Coca, Vijay Gandhi Linga, Sadashivudu Gundeti, Ashwani Tandon
Renal lymphoma is an uncommon renal tumor in children. Unlike renal lymphomas presenting as bilateral disease and renal failure, we report a boy who presented with unilateral renal involvement. After initial nephrectomy, he achieved remission with multiagent chemotherapy but relapsed systemically within 3 months. He was initiated on salvage chemotherapy with autologous bone marrow transplant. Even though the initial manifestation was localized lymphoma eventually, it turned out to be a systemic disease. He succumbed to disease at 14 months from diagnosis...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29333021/efficacy-and-safety-of-ibrutinib-in-indian-patients-with-relapsed-or-refractory-chronic-lymphocytic-leukemia-and-mantle-cell-lymphoma-cases-from-a-named-patient-program
#12
Mohan B Agarwal, Dinesh Bhurani, Chirag Shah, Nitin Sood, Manish Singhal, Anil Kamat, Subash Chezhian, Suryaprakash Mishra, Dinesh Nagrale
Context: This named patient program evaluated the safety and efficacy of ibrutinib, a selective inhibitor of Bruton's tyrosine kinase in Indian patients with relapsed/refractory chronic lymphocytic leukemia (CLL, with/without chromosome 17 deletion [del17p]) and mantle cell lymphoma (MCL). Subjects and Methods: The eight enrolled patients (relapsed/refractory CLL: n = 6 [4/6 patients with del17p] and relapsed/refractory MCL: n = 2) had median age of 55 years (range, 52-60) and had received a median of 3 (CLL patients) and 4 (MCL patients) prior therapies...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29332705/cutaneous-squamous-cell-carcinoma-management-of-advanced-and-high-stage-tumors
#13
REVIEW
Syril Keena T Que, Fiona O Zwald, Chrysalyne D Schmults
While the majority of cutaneous squamous cell carcinomas (cSCCs) can be treated surgically, the additional work-up and treatments indicated for high-risk cSCC remain undefined. In recent years, improvements in tumor staging systems have allowed for the more accurate stratification of tumors into high- and low-risk categories. This insight, along with the publication of cSCC guidelines, brings us closer to the development of a consensus approach. The second article in this continuing medical education series addresses in question and answer format the most common questions related to advanced and high-stage cSCCs, with a simplified flowchart...
February 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29332607/the-role-of-t2-weighted-gradient-echo-in-the-diagnosis-of-tumefactive-intrahepatic-extramedullary-hematopoiesis-in-myelodysplastic-syndrome-and-diffuse-hepatic-iron-overload-a-case-report-and-review-of-the-literature
#14
Abel A Belay, Andrew M Bellizzi, Alan H Stolpen
BACKGROUND: Extramedullary hematopoiesis is the proliferation of hematopoietic cells outside bone marrow secondary to marrow hematopoiesis failure. Extramedullary hematopoiesis rarely presents as a mass-forming hepatic lesion; in this case, imaging-based differentiation from primary and metastatic hepatic neoplasms is difficult, often leading to biopsy for definitive diagnosis. We report a case of tumefactive hepatic extramedullary hematopoiesis in the setting of myelodysplastic syndrome with concurrent hepatic iron overload, and the role of T2*-weighted gradient-echo magnetic resonance imaging in differentiating extramedullary hematopoiesis from primary and metastatic hepatic lesions...
January 15, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29332347/genetically-engineered-bone-marrow-derived-mesenchymal-stem-cells-co-expressing-ifn-%C3%AE-and-il-10-inhibit-hepatocellular-carcinoma-by-modulating-mapk-pathway
#15
Hao Wang, Jun Wang, Xiaolei Shi, Yitao Ding
PURPOSE: One of the major challenges in delivering cytokines for the treatment of hepatocellular carcinoma (HCC) is the mode of delivery. This study hypothesized that genetically engineered bone marrow derived mesenchymal stem cells (BMSCs) co-expressing IFN-γ and IL-10 can serve as a potential therapeutic strategy in the treatment of HCC by inhibiting cell proliferation. METHODS: Male Sprague-Dawley rats (n=5, 200-250 g) for BMSCs isolation and Nude/SCID mice (n=35,12-20g) to develop liver cancer xenograft model were used...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332131/assessment-of-human-corneas-prior-to-transplantation-using-high-resolution-two-photon-imaging
#16
Ana Batista, Hans Georg Breunig, Aisada König, Andreas Schindele, Tobias Hager, Berthold Seitz, António Miguel Morgado, Karsten König
Purpose: The purpose of this study was to evaluate the feasibility of using two-photon imaging (TPI) to assess the condition of human corneas for transplantation. Methods: Human corneas were imaged after different storage times: short-term (STS), medium-term (MTS), and long-term (LTS) storage. A high-resolution, custom-built 5-dimensional multiphoton microscope with 12-fs pulsed laser excitation was used for image acquisition. Results: Optical discrimination between different corneal layers and sublayers based on their morphologic characteristics revealed by two-photon autofluorescence (AF) is possible...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29331939/volumetric-muscle-loss-injury-repair-using-in-situ-fibrin-gel-cast-seeded-with-muscle-derived-stem-cells-mdscs
#17
Nadine Matthias, Samuel D Hunt, Jianbo Wu, Jonathan Lo, Laura A Smith Callahan, Yong Li, Johnny Huard, Radbod Darabi
Volumetric muscle defect, caused by trauma or combat injuries, is a major health concern leading to severe morbidity. It is characterized by partial or full thickness loss of muscle and its bio-scaffold, resulting in extensive fibrosis and scar formation. Therefore, the ideal therapeutic option is to use stem cells combined with bio-scaffolds to restore muscle. For this purpose, muscle-derived stem cells (MDSCs) are a great candidate due to their unique multi-lineage differentiation potential. In this study, we evaluated the regeneration potential of MDSCs for muscle loss repair using a novel in situ fibrin gel casting...
January 9, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29331844/assessing-the-risk-of-cmv-reactivation-and-reconstitution-of-antiviral-immune-response-post-bone-marrow-transplantation-by-the-quantiferon-cmv-assay-and-real-time-pcr
#18
Adalbert Krawczyk, Jessica Ackermann, Birgit Goitowski, Rudolf Trenschel, Markus Ditschkowski, Jörg Timm, Hellmut Ottinger, Dietrich W Beelen, Nico Grüner, Melanie Fiedler
BACKGROUND: CMV reactivation is a major cause of severe complications in allogeneic hematopoietic stem cell transplant (HSCT) recipients. The risk of CMV reactivation depends on the serostatus (+/-) of the donor (D) and recipient (R). The reconstitution of CMV-specific T-cell responses after transplantation is crucial for the control of CMV reactivation. OBJECTIVES: The study aimed to determine the cellular immune status correlating with protection from high-level CMV viremia (>5000 copies/ml) and disease...
January 9, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29331341/effects-of-the-gut-liver-axis-on-ischemia-mediated-hepatocellular-carcinoma-recurrence-in-the-mouse-liver
#19
Lorenzo A Orci, Stéphanie Lacotte, Vaihere Delaune, Florence Slits, Graziano Oldani, Vladimir Lazarevic, Carlo Rossetti, Laura Rubbia-Brandt, Philippe Morel, Christian Toso
BACKGROUND & AIMS: There is growing evidence that liver graft ischemia-reperfusion (I/R) is a risk factor for hepatocellular carcinoma (HCC) recurrence, but the involved mechanisms are unclear. Here, we tested the hypothesis that mesenteric congestion due to portal blood flow interruption induces endotoxin-mediated Toll-Like Receptor 4 (Tlr4) engagement, resulting in elevated liver cancer burden. We also assessed the role of remote ischemic preconditioning (RIPC) in this context. METHODS: C57Bl/6j mice were exposed to standardized models of liver I/R injury and RIPC, by occluding hepatic and femoral blood vessels...
January 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29331269/clinical-benefits-of-autologous-haematopoietic-stem-cell-transplantation-in-type-1-diabetes-patients
#20
B Gu, H Miao, J Zhang, J Hu, W Zhou, W Gu, W Wang, G Ning
Type 1 diabetes (T1D) is characterized by severe damage to pancreas islet function through immunological attack; therefore, it is also called 'insulin-dependent diabetes'. The present study aimed to evaluate the safety and clinical efficacy of autologous haematopoietic stem cell transplantation (AHSCT) in adolescent patients with newly diagnosed T1D. A phase-II prospective, parallel-assignment, non-randomized trial was conducted from March 2008 to December 2011 with 40 T1D patients, of whom 20 received AHSCT therapy and 20 were treated only with insulin injections...
December 22, 2017: Diabetes & Metabolism
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