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https://www.readbyqxmd.com/read/29332219/desensitisation-strategies-in-high-risk-children-before-kidney-transplantation
#1
Ankit Sharma, Anne M Durkan
BACKGROUND: Transplantation is the preferred modality for renal replacement therapy in children. With increasing rates of re-transplantation within the paediatric population, there are more sensitised children on waiting lists. One issue with developing strategies to treat these children is the number of different definitions of sensitisation. and we would therefore recommend an immunological risk stratification approach. METHODS: We discuss methods of sensitisation prevention, assessment and management, including paired exchange programmes and desensitisation protocols...
January 13, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29331367/molecular-characterization-and-differential-expression-analysis-of-interleukin-1%C3%AE-from-ovis-aries
#2
Yi-Ming Shui, Shi-Ying Lu, Xing Guo, Xi-Lin Liu, Bao-Quan Fu, Pan Hu, Lin-Lin Qu, Nan-Nan Liu, Yan-Song Li, Lu-Lu Wang, Fei-Fei Zhai, Dan-Di Ju, Zeng-Shan Liu, Yu Zhou, Hong-Lin Ren
The interleukin-1 family is an important component of the innate immune system and plays an important role in regulating immune responses on the invasion of intracellular parasites in the acquired immune system. Interleukin 1β (IL-1β) is one of the members of the IL-1 family that predominantly activates downstream signaling pathways to play immunological functions of stimulating T and B lymphocyte activation and promoting the various syntheses of inflammatory substances in conjunction with other cytokines...
January 10, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29323725/serum-igg-antibodies-from-healthy-subjects-up-to-100-years-old-react-to-jc-polyomavirus
#3
Ilaria Bononi, Elisa Mazzoni, Silvia Pietrobon, Marco Manfredini, Elena Trregiani, Marika Rossini, Francesca Lotito, Giovanni Guerra, Paola Rizzo, Fernanda Martini, Mauro Tognon
JC polyomavirus (JCPyV) was identified in 1971 in the brain tissue of a patient (J.C.) affected by the progressive multifocal leukoencephalopathy (PML). JCPyV encodes for the oncoproteins large T antigen (Tag) and small t-antigen (tag). These oncoproteins are responsible of the cell transformation and tumorigenesis in experimental animals. JCPyV is ubiquitous in human populations. After the primary infection, which is usually asymptomatic, JCPyV remains lifelong in the host in a latent phase. Its reactivation may occur in heathy subjects and immunocompromised patients...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29322327/combined-and-sequential-liver-kidney-transplantation-in-children
#4
Ryszard Grenda, Piotr Kaliciński
Combined and sequential liver-kidney transplantation (CLKT and SLKT) is a definitive treatment in children with end-stage organ failure. There are two major indications: - terminal insufficiency of both organs, or - need for transplanting new liver as a source of lacking enzyme or specific regulator of the immune system in a patient with renal failure. A third (uncommon) option is secondary end-stage renal failure in liver transplant recipients. These three clinical settings use distinct qualification algorithms...
January 10, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29320806/experiences-of-living-kidney-donors-during-the-donation-process
#5
Hanne Agerskov, Claus Bistrup, Mette S Ludvigsen, Birthe D Pedersen
BACKGROUND: The shortage of organs from deceased donors has led to more living donation. Furthermore, immunological developments have made it possible to perform kidney transplantation despite preformed antibodies against the donor organ. This has led to a broader recruitment base of living donors. OBJECTIVE: The objective was to investigate experiences and considerations on becoming, and during the process of being, a living kidney donor. MATERIALS AND METHODS: Interviews and participant observation were conducted before, during and after the donation...
January 10, 2018: Journal of Renal Care
https://www.readbyqxmd.com/read/29314251/clinical-and-hematological-data-to-group-different-chronic-kidney-disease-patients-a-practical-approach-to-establish-different-groups-of-patients
#6
Vinícius B Péterle, Jéssica de O Souza, Fernanda de O Busato, Frederico J Eutrópio, Gisele de A P da Costa, David N Olivieri, Carlos E Tadokoro
BACKGROUND: Chronic kidney disease (CKD) is the convergent point of several pathological processes, and its evolution is insidious and characterized by a progressive and irreversible loss of kidney function. This impaired function induces the accumulation of uremic toxins and individuals with terminal CKD often have altered physiological responses, including a persistent state of immuno-suppression and development of diseases. A better characterization and stratification of these patients with CKD in different immuno-compromised groups would contribute to more effective and personalized treatments...
January 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29312863/human-leukocyte-antigen-typing-and-crossmatch-a-comprehensive-review
#7
REVIEW
Mohammed Mahdi Althaf, Mohsen El Kossi, Jon Kim Jin, Ajay Sharma, Ahmed Mostafa Halawa
Renal transplantation remains the best option for patients suffering from end stage renal disease (ESRD). Given the worldwide shortage of organs and growing population of patients with ESRD, those waitlisted for a transplant is ever expanding. Contemporary crossmatch methods and human leukocyte antigen (HLA) typing play a pivotal role in improving organ allocation and afford better matches to recipients. Understanding crossmatch as well as HLA typing for renal transplantation and applying it in clinical practice is the key step to achieve a successful outcome...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29312858/de-novo-glomerular-diseases-after-renal-transplantation-how-is-it-different-from-recurrent-glomerular-diseases
#8
REVIEW
Fedaey Abbas, Mohsen El Kossi, Jon Kim Jin, Ajay Sharma, Ahmed Halawa
The glomerular diseases after renal transplantation can occur de novo, i.e., with no relation to the native kidney disease, or more frequently occur as a recurrence of the original disease in the native kidney. There may not be any difference in clinical features and histological pattern between de novo glomerular disease and recurrence of original glomerular disease. However, structural alterations in transplanted kidney add to dilemma in diagnosis. These changes in architecture of histopathology can happen due to: (1) exposure to the immunosuppression specifically the calcineurin inhibitors (CNI); (2) in vascular and tubulointerstitial alterations as a result of antibody mediated or cell-mediated immunological onslaught; (3) post-transplant viral infections; (4) ischemia-reperfusion injury; and (5) hyperfiltration injury...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29310419/proliferative-lupus-nephritis-in-the-absence-of-overt-systemic-lupus-erythematosus-a-historical-study-of-12-adult-patients
#9
Maxime Touzot, Cécile Saint-Pastou Terrier, Stanislas Faguer, Ingrid Masson, Hélène François, Lionel Couzi, Aurélie Hummel, Nathalie Quellard, Guy Touchard, Noémie Jourde-Chiche, Jean-Michel Goujon, Eric Daugas
Severe lupus nephritis in the absence of systemic lupus erythematosus (SLE) is a rare condition with an unclear clinical presentation and outcome.We conducted a historical observational study of 12 adult (age >18 years) patients with biopsy-proven severe lupus nephritis or lupus-like nephritis without SLE immunological markers at diagnosis or during follow-up. Excluded were patients with chronic infections with HIV or hepatitis B or C; patients with a bacterial infectious disease; and patients with pure membranous nephropathy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29302904/acute-kidney-injury-in-pregnancy-with-special-reference-to-pregnancy-specific-disorders-a-hospital-based-study-2014-2016
#10
Jai Prakash, Vivek C Ganiger, Suraj Prakash, Mohammad Iqbal, Deba Prasad Kar, Usha Singh, Ashish Verma
INTRODUCTION: There are numerous reports in the literature describing acute kidney injury in pregnancy (P-AKI) due to various obstetric complications. However, there is a dearth of studies on AKI related to pregnancy-specific disorders from India. We aimed to analyze clinical features and outcome of P-AKI related to pregnancy-specific disorders compared to total pregnancy, in India. METHOD: All pregnant women attending the department of Obstetrics and Gynecology from November 2014 to July 2016 were screened for AKI based on: (1) sudden elevation of serum creatinine ≥ 1 mg/dl; (2) oligoanuria for > 12 h; and (3) need for dialysis...
January 4, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29296858/successful-desensitization-with-proteasome-inhibition-and-costimulation-blockade-in-sensitized-nonhuman-primates
#11
Jean Kwun, Christopher Burghuber, Miriam Manook, Brian Ezekian, Jaeberm Park, Janghoon Yoon, John S Yi, Neal Iwakoshi, Adriana Gibby, Jung Joo Hong, Alton B Farris, Allan D Kirk, Stuart J Knechtle
The detrimental effects of donor-directed antibodies in sensitized transplant patients remain a difficult immunologic barrier to successful organ transplantation. Antibody removal is often followed by rebound. Proteasome inhibitors (PIs) deplete antibody-producing plasma cells (PCs) but have shown marginal benefit for desensitization. In an allosensitized nonhuman primate (NHP) model, we observed increased germinal center (GC) formation after PI monotherapy, suggesting a compensatory PC repopulation mediated via GC activation...
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29288684/the-octapetide-nap-alleviates-intestinal-and-extra-intestinal-anti-inflammatory-sequelae-of-acute-experimental-colitis
#12
Markus M Heimesaat, Eliezer Giladi, Anja A Kühl, Stefan Bereswill, Illana Gozes
The octapeptide NAP has been shown to exert neuroprotective properties and reduce neuro-inflammatory responses. The aim of the present study was to investigate if NAP provides anti-inflammatory effects in acute murine colitis. To address this, C57BL/6 j mice were challenged with 3.5% dextran sulfate sodium from day 0 until day 6 to induce colitis, either treated intraperitoneally with NAP or placebo (NaCl 0.9%) from day 1 until day 6 post-induction (p.i.) and subjected to in depth macroscopic, microscopic and immunological evaluations...
December 27, 2017: Peptides
https://www.readbyqxmd.com/read/29276608/lithium-one-drug-five-complications
#13
Jeremy Zaworski, Pierre-Yves Delannoy, Nicolas Boussekey, Damien Thellier, Hugues Georges, Olivier Leroy
Background: Lithium poisoning could trigger multiple complications. We report the case of a lithium poisoning with five complications that are described for the first time together. Case report: A 60-year-old woman was admitted in our intensive care unit for altered consciousness. Severe lithium intoxication was diagnosed (lithium plasmatic level 8.21 mmol/l) associated with acute oliguric kidney failure. Continuous renal replacement therapy was started immediately...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/29274331/pharmacokinetics-disease-modifying-activity-and-safety-of-an-experimental-therapeutic-targeting-an-immunological-isoform-of-macrophage-migration-inhibitory-factor-in-rat-glomerulonephritis
#14
Werner Höllriegl, Alexander Bauer, Bernhard Baumgartner, Barbara Dietrich, Patrice Douillard, Randolf J Kerschbaumer, Gerald Höbarth, Jeffrey S McKee, Alexander Schinagl, Frederick W K Tam, Michael Thiele, Alfred Weber, Martin Wolfsegger, Marietta Turecek, Eva-Maria Muchitsch, Friedrich Scheiflinger, Helmut Glantschnig
New therapeutic agents are needed to overcome the toxicity and suboptimal efficacy observed in current treatment of glomerulonephritis (GN). BaxB01 is a fully human monoclonal antibody targeting a disease-related immunologically distinct isoform of Macrophage migration Inhibitory Factor (MIF), designated oxidized MIF (oxMIF) and locally expressed in inflammatory conditions. We report the pharmacokinetic profile of BaxB01, and its dose and exposure-related disease-modifying activity in experimentally induced rat GN...
December 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29273917/recent-advances-in-the-pathogenetic-mechanisms-of-sepsis-associated-acute-kidney-injury
#15
REVIEW
Filippo Fani, Giuseppe Regolisti, Marco Delsante, Vincenzo Cantaluppi, Giuseppe Castellano, Loreto Gesualdo, Gianluca Villa, Enrico Fiaccadori
Sepsis is a serious medical condition that can lead to multi-organ failure and shock, and it is associated with increased mortality. Acute kidney injury (AKI) is a frequent complication of sepsis in critically ill patients, and often requires renal replacement therapy. The pathophysiology of AKI in sepsis has not yet been fully defined. In the past, classic theories were mainly focused on systemic hemodynamic derangements, underscoring the key role of whole kidney hypoperfusion due to reduced renal blood flow...
December 23, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/29250687/lymphoproliferative-disorder-in-a-twin-female-teenager-post-kidney-transplantation
#16
Raluca Isac, Rodica Costa, Dorela CodruŢa Lăzureanu, Cristina Ioana Olariu, Adriana Milena Muntean, Cornel Olimpiu Aldea, Gabriela Simona Doroş, Mihai Gafencu
Post-transplant lymphoproliferative disorder (PTLD) is defined as a heterogeneous group of lymphoid and plasmocytic proliferations with variable malignant potential. They often arise in immunocompromised post solid organ transplant (SOT) patients linked with Epstein-Barr virus (EBV) infection. Clinical manifestations include fever, lymphadenopathy and organ involvement. Diagnosis of PTLD requires morphopathological tissue examination. Treatment of EBV-related PTLD in SOT patients includes immunosuppressive (IS) agents' reduction, use of antiviral medication, anti-B-lymphocyte antibodies and chemotherapy for high-risk patients...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29247045/the-immunology-of-hypertension
#17
REVIEW
Allison E Norlander, Meena S Madhur, David G Harrison
Although systemic hypertension affects a large proportion of the population, its etiology remains poorly defined. Emerging evidence supports the concept that immune cells become activated and enter target organs, including the vasculature and the kidney, in this disease. Mediators released by these cells, including reactive oxygen species, metalloproteinases, cytokines, and antibodies promote dysfunction of the target organs and cause damage. In vessels, these factors enhance constriction, remodeling, and rarefaction...
December 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29238731/porcine-to-human-heart-transplantation-is-clinical-application-now-appropriate
#18
REVIEW
Christopher G A McGregor, Guerard W Byrne
Cardiac xenotransplantation (CXTx) is a promising solution to the chronic shortage of donor hearts. Recent advancements in immune suppression have greatly improved the survival of heterotopic CXTx, now extended beyond 2 years, and life-supporting kidney XTx. Advances in donor genetic modification (B4GALNT2 and CMAH mutations) with proven Gal-deficient donors expressing human complement regulatory protein(s) have also accelerated, reducing donor pig organ antigenicity. These advances can now be combined and tested in life-supporting orthotopic preclinical studies in nonhuman primates and immunologically appropriate models confirming their efficacy and safety for a clinical CXTx program...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29229442/quantitative-analysis-of-tnf-%C3%AE-il-4-and-il-10-expression-nitric-oxide-response-and-apoptosis-in-encephalitozoon-cuniculi-infected-rabbits
#19
Alicia M Nevárez-Garza, Uziel Castillo-Velázquez, Adolfo Soto-Domínguez, R Montes-de-Oca-Luna, Diana E Zamora-Ávila, Alfredo Wong-González, Luis E Rodríguez-Tovar
The expression of tumor necrosis factor (TNF) -α, interleukin (IL) -4 and IL-10, as well as apoptosis and nitric oxide (NO) levels were measured in the brain and kidneys of immunocompetent and immunosuppressed New Zealand White rabbits infected with Encephalitozoon cuniculi. All of the animals had clinical signs histopathological lesions compatible with encephalitozoonosis and were E. cuniculi-positive by using a carbon immunoassay test. Encephalitozoon cuniculi infection promoted the expression of TNF-α and NO production in the kidneys of infected rabbits, and a synergic effect was observed in animal treated with dexamethasone...
December 8, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29229171/special-considerations-in-pediatric-kidney-transplantation
#20
REVIEW
Sean A Hebert, Rita D Swinford, David R Hall, Jason K Au, John S Bynon
Universally accepted as the treatment of choice for children needing renal replacement therapy, kidney transplantation affords children the opportunity for an improved quality of life over dialysis therapy. Immunologic and surgical advances over the last 15 years have improved the pediatric patient and kidney graft survival. Unique to pediatrics, congenital genitourinary anomalies are the most common primary diseases leading to kidney failure, many with urological issues. Early urological evaluation for post-transplant bladder dysfunction and emphasis on immunization adherence are the mainstays of pediatric pretransplant and post-transplant evaluations...
November 2017: Advances in Chronic Kidney Disease
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