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https://www.readbyqxmd.com/read/29443034/subretinal-transplantation-of-human-embryonic-stem-cell-derived-retinal-pigment-epithelial-cells-into-a-large-eyed-model-of-geographic-atrophy
#1
Sandra Petrus-Reurer, Hammurabi Bartuma, Monica Aronsson, Sofie Westman, Fredrik Lanner, Anders Kvanta
Geographic atrophy (GA), the late stage of dry age-related macular degeneration is characterized by loss of the retinal pigment epithelial (RPE) layer, which leads to subsequent degeneration of vital retinal structures (e.g., photoreceptors) causing severe vision impairment. Similarly, RPE-loss and decrease in visual acuity is seen in long-term follow up of patients with advanced wet age-related macular degeneration (AMD) receiving intravitreal anti-vascular endothelial growth factor (VEGF) treatment. Therefore, on the one hand, it is fundamental to efficiently derive RPE cells from an unlimited source that could serve as replacement therapy...
January 22, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29427562/liver-paired-exchange-can-the-liver-emulate-the-kidney
#2
Ashish Mishra, Alexis Lo, Grace S Lee, Benjamin Samstein, Peter S Yoo, Matthew H Levine, David S Goldberg, Abraham Shaked, Kim M Olthoff, Peter L Abt
Kidney paired exchange (KPE) constitutes 12 percent of all living donor kidney transplants in the United States. 1 The success of KPE programs has prompted many in the liver transplant community to consider the possibility of liver paired exchange (LPE). Though the idea seems promising, the application has been limited to a handful of centers in Asia. 2,3 In this manuscript we consider the indications, logistical issues, and ethics for establishing a LPE program in the United States with reference to the principles and advances developed from experience with KPE...
February 10, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29410372/addressing-ethical-and-procedural-principles-for-unrelated-allogeneic-haematopoietic-progenitor-cell-donation-in-a-changing-medical-environment
#3
S M van Walraven, T Egeland, V Borrill, G Nicoloso-de Faveri, G Rall, J Szer
Transplantation of allogeneic haematopoietic progenitor cells (HPC), as part of a potential life-saving treatment for haematological disorders, is a well-established medical procedure. Due to the efforts of the World Marrow Donor Association (WMDA) and other professional medical and scientific organisations, donation and collection of HPC from adult volunteer donors has become suitably regulated and standardized. Ongoing changes in the treatment of haematological disorders however, have led to a practice where organisations providing HPC from volunteer donors are confronted with requests for multiple or other than standard bone marrow or peripheral blood stem cell donations...
February 1, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29407335/late-steroid-withdrawal-following-ab0-incompatible-renal-transplantation
#4
F Bachmann, N Lachmann, K Budde, L Liefeldt, F Halleck, M Naik, F Friedersdorff, B Rudolph, K Wu, O Meyer, T Slowinski, J Waiser
BACKGROUND: Current evidence on steroid withdrawal following AB0-incompatible (AB0i) renal transplantation is low. We compared clinical outcomes of patients who agreed to late steroid withdrawal and patients who remained on steroid treatment. METHODS: Steroid withdrawal was carried out in 11 patients at ≥12 months after transplantation (group W). For comparison, we analyzed 19 patients who remained on triple immunosuppression including steroids (group M). Minimum follow-up was 24 months following transplantation and 12 months after steroid withdrawal...
January 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29398798/hematopoietic-stem-cell-transplantation-for-childhood-acute-lymphoblastic-leukemia-and-the-role-of-mrd-a-single-centre-experience-from-india
#5
Divya Subburaj, Lakshman Vaidyanathan, Ramya Uppuluri, Dhaarani Jayaraman, Revathi Raj
Hematopoietic stem cell transplantation (HSCT) is an effective curative option for children with relapsed and high risk acute lymphoblastic leukemia (ALL). The effect of minimal residual disease (MRD) prior to transplantation has a significant impact on the overall outcome. We performed a retrospective analysis of children with ALL who underwent HSCT at our centre from 2002 to 2016. From 2002 to 2008 disease status was determined by morphology and karyotyping and from 2008 onwards by flow cytometry. A total of 46 children were transplanted for ALL at our centre...
January 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29397859/-research-progress-on-effect-of-jak-inhibitors-on-myelofibrosis-review
#6
Jun-Xiu Liu, Wei Chen, Kai-Lin Xu
Myelofibrosis(MF) is a type of myeloprolifirative neoplasms which is difficult to be treated. With the discovery of V617F mutation site in Janus kinase 2 (JAK2), JAK inhibitor provides a new treatment strategy for patients with myelofibrosis. Since 2011 the FDA in USA approved the first generation of JAK inhibitor Ruxolitinib for marketing, a growing number of JAK inhibitors have been entering into the clinical trials and showed a certain clinical efficacy. On the one hand, some JAK inhibitors for single application can effectively relieve the clinical symptoms of patients with myelofibrosis, slow down disease progression, and prolong the survival; on the other hand, JAK inhibitor can also be applied in combination with traditional or other new targeted drugs for MF patients, even during the allogenetic hematopoietic stem cell transplantation, thus providing more choices for targeted therapy on the patients with myelofibrosis...
February 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29397391/gut-microbiome-and-depression-what-we-know-and-what-we-need-to-know
#7
Gal Winter, Robert A Hart, Richard P G Charlesworth, Christopher F Sharpley
Gut microbiome diversity has been strongly associated with mood-relating behaviours, including major depressive disorder (MDD). This association stems from the recently characterised bi-directional communication system between the gut and the brain, mediated by neuroimmune, neuroendocrine and sensory neural pathways. While the link between gut microbiome and depression is well supported by research, a major question needing to be addressed is the causality in the connection between the two, which will support the understanding of the role that the gut microbiota play in depression...
February 5, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29393581/response-of-biomass-development-essential-oil-and-composition-of-plectranthus-amboinicus-lour-spreng-to-irrigation-frequency-and-harvest-time
#8
Ali S Sabra, Tessema Astatkie, Abed Alataway, Abeer A Mahmoud, Ahmed S H Gendy, Hussein A H Said-Al Ahl, Kirill G Tkachenk
A greenhouse experiment was conducted to study the effects of four irrigation intervals (4, 8, 12 and 16 days) and six harvests (2, 4, 6, 8, 10 and 12 months after transplanting) on biomass, essential oil content and composition of Plectranthus amboinicus (Lour.) Spreng. Fresh weight and essential oil yield decreased with increasing irrigation interval; whereas, essential oil content was stimulated by water stress and increased as the irrigation interval increased. Fresh weight of Plectranthus amboinicus irrigated every 4 days peaked when harvested at 6 months, but essential oil content peaked when irrigated every 16 days and harvested at 2 months after transplantation...
February 2, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29391754/use-of-direct-acting-antiviral-agents-in-hepatitis-c-virus-infected-liver-transplant-candidates
#9
REVIEW
Chiranjeevi Gadiparthi, George Cholankeril, Brandon J Perumpail, Eric R Yoo, Sanjaya K Satapathy, Satheesh Nair, Aijaz Ahmed
Since the advent of direct acting antiviral (DAA) agents, chronic hepatitis C virus (HCV) treatment has evolved at a rapid pace. In contrast to prior regimen involving ribavirin and pegylated interferon, these newer agents are highly effective, well-tolerated, have shorter course of therapy and safer essentially in all HCV patients including those with advanced liver disease and following liver transplantation. Clinicians caring for HCV-infected patients on the liver transplant (LT) waitlist are often faced with a dilemma whether to treat HCV infection before or after liver transplantation...
January 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29390534/toe-keloid-after-nail-extraction-treated-with-surgical-excision-a-case-report
#10
Hao Liu, Kexin Song, Mingzi Zhang, Xinhang Dong, Shu Liu, Youbin Wang
RATIONALE: In this study, a case of toe keloid after nail extraction is presented, in which the keloids on both toes were resected by surgical excision. Keloids (from the Greek word meaning "crab's claw") are fibrous growths that extend beyond the original area of injury to involve the adjacent normal skin. In general, keloid tendencies appear to be regionally isolated to keloid-prone areas, such as the chest, ears, and deltoid regions, whereas the hands and feet are usually spared, which is why this case is meaningful...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29390243/-bardet-biedl-syndrome-and-kidney-failure-a-case-report
#11
Fabio Tattoli, Daniela Falconi, Chiara Bottaro, Maurizio Gherzi, Federico Marazzi, Marita Marengo, Ilaria Serra, Michela Tamagnone, Marco Formica
Bardet-Biedl Syndrome (BBS) is a rare multi-systemic disease with autosomal recessive transmission. BBS was at first considered to be homogeneous as for its genetics, but subsequent studies have shown an extensive gene variability. Currently, 21 genes (BBS1-21) present on different chromosomes have been mapped: these genes are responsible for BBS phenotypes and they show a great heterogeneity of mutations.The most common genes are BBS1 (locus 11q13) and BBS10.We show here the case of a 50 year old patient with BBS...
February 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29385802/nitric-oxide-delivering-high-density-lipoprotein-like-nanoparticles-as-a-biomimetic-nanotherapy-for-vascular-disease
#12
Jonathan S Rink, Wangqiang Sun, Sol Misener, Jiao-Jing Wang, Zheng Jenny Zhang, Melina R Kibbe, Vinayak P Dravid, Subbu S Venkatraman, C Shad Thaxton
Disorders of blood vessels cause a range of severe health problems. As a powerful vasodilator and cellular second messenger, nitric oxide (NO) is known to have beneficial vascular functions. But NO typically has a short half-life and is not specifically targeted. On the other hand, high-density lipoproteins (HDLs) are targeted natural nanoparticles that transport cholesterol in the systemic circulation, and whose protective effects in vascular homeostasis overlap with those of NO. Evolving the AuNP-templated HDL-like nanoparticles (HDL NPs), a platform of bio-inspired HDL, we set up a targeted biomimetic nanotherapy for vascular disease that combines the functions of NO and HDL...
February 1, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29382442/hilar-control-during-laparoscopic-donor-nephrectomy-practice-patterns-in-canada
#13
Thomas B Mcgregor, Premal Patel, Gabriel Chan, Alp Sener
INTRODUCTION: In recent years, the method of vascular control during laparoscopic donor nephrectomy (LDN) has come under scrutiny due to catastrophic consequences of a device failure. This study sought to examine the surgical preferences of Canadian donor surgeons with regards to vascular control and their perception on the safety of these modalities. We also surveyed the experience with device malfunction and their subsequent management during LDN. METHODS: An online survey was sent out to donor surgeons registered with the Canadian Society of Transplantation...
October 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29380550/distinct-predictive-impact-of-fish-abnormality-in-proteasome-inhibitors-and-immunomodulatory-agents-response-redefining-high-risk-multiple-myeloma-in-asian-patients
#14
Ja Min Byun, Dong-Yeop Shin, Junshik Hong, Inho Kim, Hyun Kyung Kim, Dong Soon Lee, Youngil Koh, Sung-Soo Yoon
For risk-adaptive therapeutic approaches in multiple myeloma (MM) treatment, we analyzed treatment outcome according to in situ hybridization (FISH) profiles to investigate the prognostic and predictive values of structural variations in a large series of Asian population. A total of 565 newly diagnosed patients with multiple myeloma between January 2005 and June 2015 were evaluated. FISH results showed del(17p13) in 8.8% (29/331), del(13q14) in 35.5% (184/519), t(14;16) in 2.5% (8/326), t(4;14) in 27.9% (109/390), IgH rearrangement in 47...
January 29, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29377903/cytomegalovirus-induces-hla-class-ii-restricted-alloreactivity-in-an-acute-myeloid-leukemia-cell-line
#15
Michael Koldehoff, Monika Lindemann, Stefan R Ross, Ahmet H Elmaagacli
Cytomegalovirus (HCMV) reactivation is found frequently after allogeneic hematopoietic stem cell transplantation (alloSCT) and is associated with an increased treatment-related mortality. Recent reports suggest a link between HCMV and a reduced risk of cancer progression in patients with acute leukemia or lymphoma after alloSCT. Here we show that HCMV can inhibit the proliferation of the acute myeloid leukemia cell line Kasumi-1 and the promyeloid leukemia cell line NB4. HCMV induced a significant up-regulation of HLA-class-II-molecules, especially HLA-DR expression and an increase of apoptosis, granzyme B, perforin and IFN-γ secretion in Kasumi-1 cells cocultured with peripheral blood mononuclear cells (PBMCs)...
2018: PloS One
https://www.readbyqxmd.com/read/29376095/massive-cortical-reorganization-is-reversible-following-bilateral-transplants-of-the-hands-evidence-from-the-first-successful-bilateral-pediatric-hand-transplant-patient
#16
William Gaetz, Sudha K Kessler, Tim P L Roberts, Jeffrey I Berman, Todd J Levy, Michelle Hsia, Deborah Humpl, Erin S Schwartz, Sandra Amaral, Ben Chang, Lawrence Scott Levin
In this repeated measures case study, we show that sensory deafferentation after limb amputation leads to changes in cortical somatotopic maps which are reversible after restoration of sensory input. Using magnetoencephalography (MEG), we observed in a child with bilateral hand transplants large-scale shifts in somatosensory lip cortical representation from anatomic hand area to anatomic face region. After recovery of tactile sensation in the digits, responses to finger stimulation were localized to orthotopic sensory cortex, but with atypical electrophysiologic features (amplitude and frequencies)...
January 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29374689/improved-in-vivo-subcutaneous-tumor-generation-by-cancer-cell-sheet-transplantation
#17
Jun Akimoto, Masamichi Nakayama, Soichi Takagi, Teruo Okano
BACKGROUND/AIM: In vivo subcutaneous tumor models are generally prepared by the injection of a cancer cell suspension to evaluate the pharmaceutical effects on tumor tissues. However, dispersed cells show low biological activities because of enzyme-induced cell harvest treatment, thus limiting the formation of tumor tissues. In this study, a biologically active cancer cell monolayer (cell sheet) was used to improve the efficiency of subcutaneous tumor formation. MATERIALS AND METHODS: Mouse lung squamous cancer cells (KLN-205) were transplanted on the subcutis of immunocompetent and immunodeficient mice in the form of a dispersed cell suspension or cell sheet, and the tumor formation abilities were independently investigated with considering immunological effects...
February 2018: Anticancer Research
https://www.readbyqxmd.com/read/29373983/safety-and-efficacy-of-hematopoietic-and-mesanchymal-stem-cell-therapy-for-treatment-of-t1dm-a-systematic-review-and-meta-analysis-protocol
#18
Sedigheh Madani, Bagher Larijani, Abbas Ali Keshtkar, Ali Tootee
INTRODUCTION: Insulin standard treatment of T1DM cannot cure the patients as different chronic complications occurred subsequently. Investigations on a curative treatment in T1DM propose cell replacement or maintenance instead of exogenous insulin therapy, but different dimensions of this novel treatment are not clarified. METHODS AND ANALYSIS: We will include all clinical trials which have evaluated the efficacy MSC or HSC transplantation in T1DM treatment; electronically search bibliographic databases, country registration data banks, and gray literatures; and hand-search two key journals, two experts' article, and references of the included articles with no language restriction...
January 26, 2018: Systematic Reviews
https://www.readbyqxmd.com/read/29359834/tuberculosis-tb-after-liver-transplantation-in-a-large-center-in-new-york-city-quantiferon%C3%A2-tb-gold-based-pre-transplant-screening-performance-and-active-tb-post-transplant
#19
Jonathan Hand, Keith Sigel, Shirish Huprikar, Camille Hamula, Meena Rana
INTRODUCTION: Pre-transplant screening for latent tuberculosis (TB) infection (LTBI) is a complex consideration that varies by institution. Inconsistent performance of interferon gamma release assay (IGRA) further complicates screening. Data regarding LTBI screening outcomes and test characteristics in large, foreign-born pre-transplant populations within the United States (US) is limited. METHODS: In this retrospective study, patients who received QuantiFERON® -TB Gold (QFT) prior to liver transplantation (LT) were included...
January 23, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29358198/transplantation-of-allogeneic-pericytes-improves-myocardial-vascularization-and-reduces-interstitial-fibrosis-in-a-swine-model-of-reperfused-acute-myocardial-infarction
#20
Valeria Vincenza Alvino, Rodrigo Fernández-Jiménez, Iker Rodriguez-Arabaolaza, Sadie Slater, Giuseppe Mangialardi, Elisa Avolio, Helen Spencer, Lucy Culliford, Sakinah Hassan, Lorena Sueiro Ballesteros, Andrew Herman, Ali Ayaon-Albarrán, Carlos Galán-Arriola, Javier Sánchez-González, Helena Hennessey, Catherine Delmege, Raimondo Ascione, Costanza Emanueli, Gianni Davide Angelini, Borja Ibanez, Paolo Madeddu
BACKGROUND: Transplantation of adventitial pericytes (APCs) promotes cardiac repair in murine models of myocardial infarction. The aim of present study was to confirm the benefit of APC therapy in a large animal model. METHODS AND RESULTS: We performed a blind, randomized, placebo-controlled APC therapy trial in a swine model of reperfused myocardial infarction. A first study used human APCs (hAPCs) from patients undergoing coronary artery bypass graft surgery. A second study used allogeneic swine APCs (sAPCs)...
January 22, 2018: Journal of the American Heart Association
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