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https://www.readbyqxmd.com/read/28543448/successful-treatment-of-pure-red-cell-aplasia-because-of-abo-major-mismatched-stem-cell-transplant
#1
Katie Sackett, Claudia S Cohn, Kayla Fahey-Ahrndt, Angela R Smith, Andrew D Johnson
BACKGROUND: Pure red cell aplasia (PRCA) is a well-documented potential side effect of ABO major mismatched allogeneic hematopoietic stem cell transplants. This side effect may be self-limiting, but is sometimes treated using modalities such as steroids, antithymocyte globulin, donor lymphocyte infusions, rituximab, or plasma exchanges. Another well-documented cause of pure red cell aplasia is a chronic parvovirus B19 infection, which may be seen in immunocompromised hosts. The treatment of this cause of PRCA includes removal of immunosuppression, intravenous immunoglobulin (IVIg), or rituximab; however, this condition may also be self-limiting...
May 24, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28542329/novel-agoshrna-molecules-for-silencing-of-the-ccr5-co-receptor-for-hiv-1-infection
#2
Elena Herrera-Carrillo, Ben Berkhout
Allogeneic transplantation of blood stem cells from a CCR5-Δ32 homozygous donor to an HIV-infected individual, the "Berlin patient", led to a cure. Since then there has been a search for approaches that mimic this intervention in a gene therapy setting. RNA interference (RNAi) has evolved as a powerful tool to regulate gene expression in a sequence-specific manner and can be used to inactivate the CCR5 mRNA. Short hairpin RNA (shRNA) molecules can impair CCR5 expression, but these molecules may cause unintended side effects and they will not be processed in cells that lack Dicer, such as monocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28540637/importance-of-human-peritoneal-mesothelial-cells-in-the-progression-fibrosis-and-control-of-gastric-cancer-inhibition-of-growth-and-fibrosis-by-tranilast
#3
Hiroto Saito, Sachio Fushida, Shinichi Harada, Tomoharu Miyashita, Katsunobu Oyama, Takahisa Yamaguchi, Tomoya Tsukada, Jun Kinoshita, Hidehiro Tajima, Itasu Ninomiya, Tetsuo Ohta
BACKGROUND: Scirrhous gastric cancer is an intractable disease with a high incidence of peritoneal dissemination and obstructive symptoms (e.g., ileus, jaundice, and hydronephrosis) arising from accompanying marked fibrosis. Microenvironmental interactions between cancer cells and cancer-associated fibroblasts are the suggested cause of the disease. We elucidated the mechanisms of tumor growth and fibrosis using human peritoneal mesothelial cells (HPMCs) and investigated the effects of tranilast treatment on cells and a xenograft mouse model of fibrosis...
May 24, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28540602/late-conversion-from-tacrolimus-to-a-belatacept-based-immuno-suppression-regime-in-kidney-transplant-recipients-improves-renal-function-acid-base-derangement-and-mineral-bone-metabolism
#4
Kevin Schulte, Clara Vollmer, Vera Klasen, Jan Hinrich Bräsen, Jodok Püchel, Christoph Borzikowsky, Ulrich Kunzendorf, Thorsten Feldkamp
BACKGROUND: Calcineurin inhibitor (CNI)-induced nephrotoxicity and chronic graft dysfunction with deteriorating glomerular filtration rate (GFR) are common problems of kidney transplant recipients. The aim of this study was to analyze the role of belatacept as a rescue therapy in these patients. METHODS: In this retrospective, observational study we investigated 20 patients (10 females, 10 males) who were switched from a CNI (tacrolimus) to a belatacept-based immunosuppression because of CNI intolerance or marginal transplant function...
May 24, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28538090/late-effects-in-pediatric-high-risk-neuroblastoma-survivors-after-intensive-induction-chemotherapy-followed-by-myeloablative-consolidation-chemotherapy-and-triple-autologous-stem-cell-transplants
#5
Amy E Armstrong, Karina Danner-Koptik, Shannon Golden, Jennifer Schneiderman, Morris Kletzel, Jennifer Reichek, Yasmin Gosiengfiao
Multimodal treatment in high-risk neuroblastoma has modestly improved survival; limited data exist on the late effects from these regimens. We report the sequelae of treatment incorporating 3 consecutive cycles of high-dose therapy and autologous stem cell transplants (ASCTs) without the use of total body irradiation (TBI). We reviewed the medical records of 61 patients treated on or following the Chicago Pilot 2 protocol between 1991 and 2008. Of the 25 patients who are alive (41%), 19 had near complete data to report...
May 23, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28537866/eruptive-sebaceous-hyperplasia-as-a-side-effect-of-oral-tacrolimus-in-a-renal-transplant-recipient
#6
Katherine A Levandoski, Nicholas A Girardi, Manisha J Loss
Sebaceous hyperplasia, a benign proliferation ofsebaceous glands, has been well documented in organ transplant recipients treated with cyclosporine. Sebaceous hyperplasia has not been strongly associated with any other immunosuppressive medications. We report a case of eruptive sebaceous hyperplasia in a renal transplant recipient with no previous exposure to cyclosporine that was recently started on tacrolimus, mycophenolate mofetil, and prednisone. To our knowledge, this is the first report of eruptive sebaceous hyperplasia in a renal transplant recipient who was immunosuppressed with tacrolimus and had no prior exposure to cyclosporine...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28536906/current-status-of-bruton-s-tyrosine-kinase-inhibitor-development-and-use-in-b-cell-malignancies
#7
REVIEW
Andrew Aw, Jennifer R Brown
The B-cell receptor (BCR) pathway plays an important role in the survival, proliferation and trafficking of cancer cells in a variety of B-cell malignancies. Recently, a number of agents have been developed to target various components of the BCR pathway. One such target is Bruton's tyrosine kinase (BTK), a Tec family kinase member found near the cell membrane that is involved in upstream BCR signaling. The biological function of BTK in several B-cell lymphoid malignancies has led to the development of the oral BTK inhibitor ibrutinib...
May 23, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28535579/review-of-heterotopic-thyroid-autotransplantation
#8
Mahmoud Sakr, Ahmed Mahmoud
Total thyroidectomy is increasingly accepted for the management of bilateral benign thyroid disorders. Postoperatively, patients require lifelong levothyroxine replacement therapy to avoid postoperative hypothyroidism, which besides the burden of compliance, has been proven to be associated with several long-term side effects. Heterotopic thyroid autotransplantation was proposed several decades ago to avoid the need for life-long postoperative replacement therapy with maintaining the autoregulatory mechanism of thyroxin production inside the body according to its needs...
May 24, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28532691/bio-synthetic-materials-for-immunomodulation-of-islet-transplants
#9
Greg A Foster, Andrés J García
Clinical islet transplantation is an effective therapy in restoring physiological glycemic control in type 1 diabetics. However, allogeneic islets derived from cadaveric sources elicit immune responses that result in acute and chronic islet destruction. To prevent immune destruction of islets, transplant recipients require lifelong delivery of immunosuppressive drugs, which are associated with debilitating side effects. Biomaterial-based strategies to eliminate the need for immunosuppressive drugs are an emerging therapy for improving islet transplantation...
May 19, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28532425/combined-pulmonary-and-left-ventricular-support-with-veno-pulmonary-ecmo-and-impella-5-0-for-cardiogenic-shock-after-coronary-surgery
#10
Sameh Sayed, Christoph Schimmer, Ina Shade, Rainer Leyh, Ivan Aleksic
BACKGROUND: Mechanical circulatory support is a common practice nowadays in the management of patients after cardiogenic shock due to myocardial infarction. The single or combined use of one or more devices for mechanical support depends not only on the advantage or disadvantage of these devices but also on the timing of use of these devices before the development of multi organ failure. In our case we used more than one tool for mechanical circulatory support during the prolonged and complicated course of our patient with postcardiotomy cardiogenic shock after coronary artery bypass surgery...
May 22, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28532177/targeting-non-hodgkin-lymphoma-with-blinatumomab
#11
Sheilagh Sanders, Douglas A Stewart
Management of patients with relapsed or refractory non-Hodgkin lymphoma (NHL) remains challenging, and novel effective agents are eagerly awaited. Blinatumomab is a bispecific T-cell engager, targeting CD19. While blinatumomab's primary clinical use has been in B-cell acute lymphoblastic leukemia (B-ALL), there are increasing data for its use in B-lineage lymphomas. Areas covered: The aim of this review is to highlight the clinical data for blinatumomab use in NHL. Herein, the authors provide an overview of blinatumomab, its mechanism of action, its proven efficacy against B-ALL, and its phase I-II data assessing its use in NHL Expert opinion: Blinatumomab has modest activity in phase I-II trials in NHL, and may represent a means of bridging patients with relapsed disease to hematopoietic stem cell transplant...
May 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28526088/assessment-of-parasitological-findings-in-heartworm-infected-beagles-treated-with-advantage-multi%C3%A2-for-dogs-10-imidacloprid%C3%A2-%C3%A2-2-5-moxidectin-and-doxycycline
#12
Molly D Savadelis, Cameon M Ohmes, Joe A Hostetler, Terry L Settje, Robert Zolynas, Michael T Dzimianski, Andrew R Moorhead
BACKGROUND: Anecdotal reports support the position that the adulticidal heartworm treatment utilizing doxycycline and Advantage Multi®/Advocate® for Dogs (10% imidacloprid + 2.5% moxidectin) has successfully converted antigen-positive dogs to antigen-negative. To date, no controlled experimental studies have demonstrated the adulticidal efficacy of this treatment regimen. The aim of this study was to evaluate the parasitological and clinical efficacy of Advantage Multi® for Dogs (IMD + MOX) and doxycycline in heartworm-infected beagles...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28523792/the-impact-of-calcineurin-inhibitors-on-neutrophil-gelatinase-associated-lipocalin-and-fibroblast-growth-factor-23-in-long-term-kidney-transplant-patients
#13
Inger Hjørdis Bleskestad, Inga Strand Thorsen, Grete Jonsson, Øyvind Skadberg, Lasse Gunnar Gøransson
BACKGROUND: Neutrophil gelatinase-associated lipocalin (NGAL), a protein with bacteriostatic functions rapidly excreted from stimulated or damaged epithelial cells, is elevated in acute and chronic kidney disease. A calcineurin dependent signaling pathway for fibroblast growth factor 23 (FGF23) has been revealed, but the effect of calcineurin inhibitors (CNIs) on the levels of NGAL and markers of mineral metabolism in long-term kidney transplant patients has not been explored. METHODS: In a cross-sectional study, 39 patients who received a first kidney transplant more than 10 years ago were split into two groups based on whether (n=28) or not (n=11) they used CNIs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28518414/systematic-review-of-surgical-and-medical-treatment-for-tertiary-hyperparathyroidism
#14
REVIEW
R R Dulfer, G J H Franssen, D A Hesselink, E J Hoorn, C H J van Eijck, T M van Ginhoven
BACKGROUND: A significant proportion of patients with chronic kidney disease and secondary hyperparathyroidism (HPT) remain hyperparathyroid after kidney transplantation, a state known as tertiary HPT. Without treatment, tertiary HPT can lead to diminished kidney allograft and patient survival. Parathyroidectomy was commonly performed to treat tertiary HPT until the introduction of the calcimimetic drug, cinacalcet. It is not known whether surgery or medical treatment is superior for tertiary HPT...
June 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28518214/immune-monitoring-as-prerequisite-for-transplantation-tolerance-trials
#15
REVIEW
Katayoun Behnam Sani, Birgit Sawitzki
Ever since its first application in clinical medicine, scientists have urged to induce tolerance towards foreign allogeneic transplants and thus avoid rejection by the recipient's immune system. This would circumvent chronic use of immunosuppressive drugs (IS) and thus avoid development of IS-induced side effects, which are contributing to the still unsatisfactory long-term graft and patient survival after solid organ transplantation. Although manifold strategies of tolerance induction have been described in preclinical models, only three therapeutic approaches have been successfully utilized in a still small number of patients...
May 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28503959/emerging-drugs-for-prevention-of-t-cell-mediated-rejection-in-liver-and-kidney-transplantation
#16
Tiffany Cl Wong, Chung-Mau Lo, James Yy Fung
Acute and chronic graft rejection continues to be an important problem after solid organ transplantation. With the introduction of potent immunosuppressive agents such as calcineurin inhibitors, the risk of rejection has been significantly reduced. However, the adverse effects of life-long immunosuppression remain a concern, and there exist a fine balance between over-immunosuppression and risk of rejection. Areas covered. In this review, the current standard of care in immunosuppressive therapy, including the use of steroids, calcineurin inhibitors, mycophenolate prodrugs and mammalian target of rapamycin inhibitors, will be discussed...
May 15, 2017: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/28501036/tuberculosis-in-liver-transplant-recipients-a-report-of-eight-cases-during-a-five-year-period
#17
Diana Póvoas, João Machado, Rui Perdigoto, Ana Morbey, Júlio Veloso, Helena Glória, Élia Mateus, Américo Martins, Fernando Maltez, Eduardo Barroso
INTRODUCTION: Tuberculosis incidence in Portugal ranged from 20 to 22 cases per 100 000 inhabitants between 2010 and 2014. Tuberculosis incidence in liver transplant recipients is not precisely known, but it is estimated to be higher than among the general population. Tuberculosis in liver transplant recipients is particularly challenging because of the atypical clinical presentation and side effects of the antibacillary drugs and their potential interactions with immunosuppressive therapies...
January 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28491314/major-depressive-disorder-with-religious-struggle-and-completed-suicide-after-hair-transplantation
#18
Mehmet Emin Ceylan, Barış Önen Ünsalver, Alper Evrensel
OBJECTIVES: Psychological outcomes of aesthetic surgical procedures like hair transplantation are mostly positive including decreased anxiety, depression and social phobia and increased general well-being, self-efficacy and self-esteem. However, some patients may suffer from post-surgical depression and post-surgical increased suicide rates have been reported for breast augmentation patients. Difficulty adapting to the new image, unfulfilled psychological needs expected to be met by the surgery, side effects of the surgery like tissue swelling or bruising, uncontrolled pain, presence of body dysmorphic disorder and previous history of mood disorder may be some of the risk factors for post-surgical depression...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28490482/conditional-ablation-of-raptor-in-the-male-germ-line-causes-infertility-due-to-meiotic-arrest-and-impaired-inactivation-of-sex-chromosomes
#19
Mengneng Xiong, Zhiping Zhu, Suwen Tian, Ruping Zhu, Shun Bai, Kaiqiang Fu, James G Davis, Zheng Sun, Joseph A Baur, Ke Zheng, Lan Ye
Rapamycin is a clinically important drug that is used in transplantation and cancer therapy but which causes a number of side effects, including male infertility. Its canonical target, mammalian target of rapamycin complex 1 (mTORC1), plays a key role in metabolism and binds chromatin; however, its precise role in the male germ line has not been elucidated. Here, we inactivate the core component, Raptor, to show that mTORC1 function is critical for male meiosis and the inactivation of sex chromosomes. Disruption of the Raptor gene impairs chromosomal synapsis and prevents the efficient spreading of silencing factors into the XY chromatin...
May 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28482908/curative-or-pre-emptive-adenovirus-specific-t-cell-transfer-from-matched-unrelated-or-third-party-haploidentical-donors-after-hsct-including-ucb-transplantations-a-successful-phase-i-ii-multicenter-clinical-trial
#20
Chongsheng Qian, Arnaud Campidelli, Yingying Wang, Huili Cai, Véronique Venard, Hélène Jeulin, Jean Hugues Dalle, Cécile Pochon, Maud D'aveni, Benedicte Bruno, Catherine Paillard, Stéphane Vigouroux, Charlotte Jubert, Patrice Ceballos, Aude Marie-Cardine, Claire Galambrun, Clément Cholle, Isabelle Clerc Urmes, Nadine Petitpain, Marcelo De Carvalho Bittencourt, Véronique Decot, Loïc Reppel, Alexandra Salmon, Laurence Clement, Danièle Bensoussan
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (HSCT), the most widely used potentially curable cellular immunotherapeutic approach in the treatment of hematological malignancies, is limited by life-threatening complications: graft versus host disease (GVHD) and infections especially viral infections refractory to antiviral drugs. Adoptive transfer of virus-specific T cells is becoming an alternative treatment for infections following HSCT. We report here the results of a phase I/II multicenter study which includes a series of adenovirus-specific T cell (ADV-VST) infusion either from the HSCT donor or from a third party haploidentical donor for patients transplanted with umbilical cord blood (UCB)...
May 8, 2017: Journal of Hematology & Oncology
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