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https://www.readbyqxmd.com/read/28092309/microbiota-targeted-therapies-on-the-intensive-care-unit
#1
Bastiaan W Haak, Marcel Levi, W Joost Wiersinga
PURPOSE OF REVIEW: The composition and diversity of the microbiota of the human gut, skin, and several other sites is severely deranged in critically ill patients on the ICU, and it is likely that these disruptions can negatively affect outcome. We here review new and ongoing studies that investigate the use of microbiota-targeted therapeutics in the ICU, and provide recommendations for future research. RECENT FINDINGS: Practically every intervention in the ICU as well as the physiological effects of critical illness itself can have a profound impact on the gut microbiota...
January 13, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28071739/sox10-adult-stem-cells-contribute-to-biomaterial-encapsulation-and-microvascularization
#2
Dong Wang, Aijun Wang, Fan Wu, Xuefeng Qiu, Ye Li, Julia Chu, Wen-Chin Huang, Kang Xu, Xiaohua Gong, Song Li
Implanted biomaterials and biomedical devices generally induce foreign body reaction and end up with encapsulation by a dense avascular fibrous layer enriched in extracellular matrix. Fibroblasts/myofibroblasts are thought to be the major cell type involved in encapsulation, but it is unclear whether and how stem cells contribute to this process. Here we show, for the first time, that Sox10(+) adult stem cells contribute to both encapsulation and microvessel formation. Sox10(+) adult stem cells were found sparsely in the stroma of subcutaneous loose connective tissues...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28059091/identification-of-distinct-subgroups-of-ebv-positive-post-transplant-diffuse-large-b-cell-lymphoma
#3
Julie Morscio, Julio Finalet Ferreiro, Sara Vander Borght, Emilie Bittoun, Olivier Gheysens, Daan Dierickx, Gregor Verhoef, Iwona Wlodarska, Thomas Tousseyn
Post-transplantation lymphoproliferative disorder is an aggressive complication of transplantation, most frequently of diffuse large B-cell lymphoma morphology and associated with Epstein-Barr virus (EBV) infection/reactivation. In this study the microenvironment of EBV(+) (n=23) and EBV(-) (n=9) post-transplant non-germinal center B-cell diffuse large B-cell lymphoma was characterized. Of EBV(+) cases somatic hypermutation analysis, gene expression profiling, and extensive phenotyping were performed. Our results demonstrated variable cytotoxic T-cell infiltration and significantly increased CD163(+) M2 macrophage infiltration in EBV(+) compared with EBV(-) post-transplant diffuse large B-cell lymphoma...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28042926/the-potential-impact-of-gut-microbiota-on-your-health-current-status-and-future-challenges
#4
Stitaya Sirisinha
Our health and probably also our behaviors and mood depend not only on what we eat or what we do (lifestyle behaviors), but also on what we host. It is well established for decades that all vertebrates including humans are colonized by a wide array of bacteria, fungi, eukaryotic parasites and viruses, and that, at steady state (homeostasis), this community of microbes establishes a friendly mutual relationship with the host. The term microbiota was originally meant to represent an ecological community of commensals and potentially pathogenic microbes that live within our bodies, but it is now used interchangeably with the term microbiome which was initially meant to represent a collective genome of the microbiota...
December 2016: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28033231/anterior-lens-capsule-in-the-management-of-chronic-full-thickness-macular-hole
#5
Juan B Yepez, Felipe A Murati, Jazmin De Yepez, Michele Petitto, J Fernando Arevalo
PURPOSE: To report the use of anterior lens capsule flap transplantation in two cases with chronic full-thickness macular hole (MH). METHODS: Case series. RESULTS: Two cases of chronic MH with a new treatment approach were reported. In the first case, a 66-year-old man presented with a chronic idiopathic MH in the left eye for 2 years. Presenting visual acuity was hand motion. The patient underwent phacoemulsification and vitrectomy with anterior lens capsule flap transplantation in the MH...
December 28, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28018349/allorecognition-by-t-lymphocytes-and-allograft-rejection
#6
REVIEW
Jose Marino, Joshua Paster, Gilles Benichou
Recognition of donor antigens by recipient T cells in secondary lymphoid organs initiates the adaptive inflammatory immune response leading to the rejection of allogeneic transplants. Allospecific T cells become activated through interaction of their T cell receptors with intact allogeneic major histocompatibility complex (MHC) molecules on donor cells (direct pathway) and/or donor peptides presented by self-MHC molecules on recipient antigen-presenting cells (APCs) (indirect pathway). In addition, recent studies show that alloreactive T cells can also be stimulated through recognition of allogeneic MHC molecules displayed on recipient APCs (MHC cross-dressing) after their transfer via cell-cell contact or through extracellular vesicles (semi-direct pathway)...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28005630/association-between-scalp-laxity-elasticity-and-glidability-and-donor-strip-scar-width-in-hair-transplantation-and-a-new-elasticity-measuring-method
#7
Jae Hyun Park
BACKGROUND: Hair transplantation requires precise evaluation of donor site laxity, elasticity, and glidability. OBJECTIVE: The purpose of this study was to examine the relationship between donor strip scar width and preoperative laxity, elasticity, and glidability. MATERIALS AND METHODS: Preoperative measurements of scalp laxity, elasticity, and glidability and of donor site scar width 10 months postoperatively were evaluated in 88 patients who underwent hair transplantation with strip harvesting...
December 21, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28003109/bilateral-hand-transplantation-supporting-the-patient-s-choice
#8
M Dumont, L Sann, A Gazarian
Bilateral hand transplantation, as a fairly new reconstructive option for amputees, raises major ethical questions. This article, which is based on the reflections arising from the rich experience of Lyon's team in this field, addresses the topic of supporting the patient in his choice for or against this procedure. How should autonomy be understood in this particular setting? The developing field of composite tissue allotransplantation needs to establish a common thinking on this subject. The article emphasises that, even if it is their right to decide, patients have to be carefully supported to help them make the most consolidated choice possible in this challenging procedure...
November 24, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27998825/hematopoietic-arginase-1-deficiency-results-in-decreased-leukocytosis-and-increased-foam-cell-formation-but-does-not-affect-atherosclerosis
#9
Baoyan Ren, Erik Van Kampen, Theo J C Van Berkel, Sheena M Cruickshank, Miranda Van Eck
BACKGROUND AND AIMS: Arginase1 (Arg1), an M2 macrophage marker, plays a critical role in a number of immunological functions in macrophages, which are the main cell type facilitating atherosclerotic lesion development. Arg1 uses the substrate l-arginine to create l-ornithine, a precursor molecule required for collagen formation and vascular smooth muscle cell differentiation. By reducing l-arginine availability, Arg1 limits the production of nitric oxide (NO), a pro-atherogenic factor in macrophages...
November 16, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27997976/the-microbiome-what-will-the-future-hold
#10
Howard Paul Monsour, Eamonn M M Quigley
Current research on the human microbiome has opened our eyes to the intimate relationship that we have with the bacteria that populate our gastrointestinal tract and its potential relationship to health and disease. To date, clinical research on the microbiome has identified intriguing associations between an altered microbiome and disease states, but proven therapeutic applications have been very limited. The ingestion of prebiotics, probiotics, and/or synbiotics is appealing to the general public and has significant commercial value, but as yet, solid evidence for clinical efficacy in liver disease has been lacking due, in large part, to the paucity of high-quality clinical trials...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27990387/late-onset-acute-graft-versus-host-disease-mimicking-hand-foot-and-mouth-disease
#11
Gauri Mahabal, Leni George, Mandeep Bindra, Biju George
Acute skin graft-versus-host disease (GVHD) classically presents as a pruritic erythematous maculopapular rash. We describe a patient who underwent allogeneic hematopoietic stem cell transplantation and presented with a hand foot and mouth disease like clinical presentation. Histopathology was suggestive of acute GVHD. This case is being reported to make dermatologists aware of this unusual presentation of GVHD.
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27984215/psychosocial-evaluation-for-first-hand-allotransplantation-in-taiwan
#12
Nien-Mu Chiu, Yur-Ren Kuo, Yu Lee, Chien-Chang Chen
Hand transplantation has raised ethical and psychological concerns. Few studies have focused on reasons for not selecting candidates on waiting lists. To describe the psychosocial evaluation of referred prospective hand transplant candidates, we investigated candidate suitability by using 22-month follow-up data regarding the first hand transplant recipient in Taiwan. Pretransplant psychosocial assessments comprised an interview with 2 psychiatrists, a social worker, and a psychologist, followed by intelligence quotient scoring with the Wechsler Adult Intelligence Scale and Taiwanese Depression Questionnaire...
December 14, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27982677/pathophysiological-mechanisms-of-calcineurin-inhibitor-induced-nephrotoxicity-and-arterial-hypertension
#13
L Hošková, I Málek, L Kopkan, J Kautzner
Solid organ transplantation is an established treatment modality in patients with end-stage organ damage in cases where other therapeutic options fail. The long-term outcomes of solid organ transplant recipients have improved considerably since the introduction of the first calcineurin inhibitor (CNI) - cyclosporine. In 1984, the potent immunosuppressive properties of another CNI, tacrolimus, were discovered. The immunosuppressive effects of CNIs result from the inhibition of interleukin-2 synthesis and reduced proliferation of T-cells due to calcineurin blockade...
December 16, 2016: Physiological Research
https://www.readbyqxmd.com/read/27943153/phase-i-ii-randomized-trial-of-sorafenib-and-bevacizumab-as-first-line-therapy-in-patients-with-locally-advanced-or-metastatic-hepatocellular-carcinoma-north-central-cancer-treatment-group-trial-n0745-alliance
#14
Joleen M Hubbard, Michelle R Mahoney, William S Loui, Lewis R Roberts, Thomas C Smyrk, Zoran Gatalica, Mitesh Borad, Shaji Kumar, Steven R Alberts
BACKGROUND: Angiogenesis has been a major target of novel drug development in hepatocellular carcinoma (HCC). It is hypothesized that the combination of two antiangiogenic agents, sorafenib and bevacizumab, will provide greater blockade of angiogenesis. OBJECTIVE: To determine the optimal dose, safety, and effectiveness of dual anti-angiogenic therapy with sorafenib and bevacizumab in patients with advanced HCC. PATIENTS AND METHODS: Patients with locally advanced or metastatic HCC not amenable for surgery or liver transplant were eligible...
December 9, 2016: Targeted Oncology
https://www.readbyqxmd.com/read/27932159/fulminant-clostridium-perfringens-sepsis-in-kidney-transplant-a-case-report
#15
P Mihaylov, J A Powelson, W C Goggins
BACKGROUND: Infections, particularly urinary tract infections, and cardiovascular accidents are the main causes of morbidity and mortality during the 1st year after kidney transplantation (KT). Bacteria and viruses, such as Escherichia coli, Enteroccoci, and Polyoma BK virus are common in the 1st 6 months, so they are controlled routinely. On the other hand, Clostridium perfringens infection is a rare life-threatening condition, associated with a high mortality rate especially in the transplant population, that is not controlled routinely...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931580/changes-in-muscle-strength-and-six-minute-walk-distance-before-and-after-living-donor-liver-transplantation
#16
Y Mizuno, S Ito, K Hattori, M Nagaya, T Inoue, Y Nishida, Y Onishi, H Kamei, N Kurata, Y Hasegawa, Y Ogura
BACKGROUND: Impaired exercise capacity and muscle weakness are important characteristics of liver transplantation recipients. Perioperative rehabilitation has been introduced to promote early mobilization of patients and to prevent postoperative pulmonary complications. However, it is unknown how physical status recovers during the hospital stay after a liver transplant. The purpose of this study was to evaluate the changes in clinical indicators that represent the functional exercise capacity and muscle strength before and after living donor liver transplantation (LDLT)...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27930278/for-love-not-money-the-financial-implications-of-surgical-fellowship-training
#17
Paul M Inclan, Adam S Hyde, Michael Hulme, Jeffrey E Carter
Surgical residents cite increased income potential as a motivation for pursuing fellowship training, despite little evidence supporting this perception. Thus, our goal is to quantify the financial impact of surgical fellowship training on financial career value. By using Medical Group Management Association and Association of American Medical Colleges physician income data, and accounting for resident salary, student debt, a progressive tax structure, and forgone wages associated with prolonged training, we generated a net present value (NPV) for both generalist and subspecialist surgeons...
September 2016: American Surgeon
https://www.readbyqxmd.com/read/27924730/congenital-malformations-attributed-to-prenatal-exposure-to-cyclophosphamide
#18
Padmanabhan Rengasamy
Cyclophosphamide (CPA) remains one of the most widely prescribed anticancer drugs. It is also used in the treatment of rheumatoid arthritis, childhood nephrotic syndrome and systemic lupus erythematosus. It is a potent immunosuppressive agent. It is commonly used in blood and bone marrow transplantation. With the growing trend among women postponing childbearing, the number of women who are diagnosed with breast cancer is also increasing thus escalating the chances of exposure of the unborn child to antineoplastic drugs...
December 6, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27922918/real-time-fatigue-and-free-living-physical-activity-in-hematopoietic-stem-cell-transplantation-cancer-survivors-and-healthy-controls-a-preliminary-examination-of-the-temporal-dynamic-relationship
#19
Eileen Danaher Hacker, Inah Kim, Chang Park, Tara Peters
BACKGROUND: Fatigue and physical inactivity, critical problems facing cancer survivors, impact overall health and functioning. Our group designed a novel methodology to evaluate the temporal, dynamic patterns in real-world settings. OBJECTIVE: Using real-time technology, the temporal, dynamic relationship between real-time fatigue and free-living is described and compared in cancer survivors who were treated with hematopoietic stem cell transplantation (n = 25) and age- and gender-matched healthy controls (n = 25)...
December 5, 2016: Cancer Nursing
https://www.readbyqxmd.com/read/27916652/exploring-pericyte-and-cardiac-stem-cell-secretome-unveils-new-tactics-for-drug-discovery
#20
REVIEW
Georgina M Ellison-Hughes, Paolo Madeddu
Ischaemic diseases remain a major cause of morbidity and mortality despite continuous advancements in medical and interventional treatments. Moreover, available drugs reduce symptoms associated with tissue ischaemia, without providing a definitive repair. Cardiovascular regenerative medicine is an expanding field of research that aims to improve the treatment of ischaemic disorders through restorative methods, such as gene therapy, stem cell therapy, and tissue engineering. Stem cell transplantation has salutary effects through direct and indirect actions, the latter being attributable to growth factors and cytokines released by stem cells and influencing the endogenous mechanisms of repair...
December 2, 2016: Pharmacology & Therapeutics
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