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BACKGROUND: Tuberculosis (TB) is a common infection in chronic kidney disease. The prolonged therapy of TB can delay kidney transplantation in patients on antitubercular therapy (ATT). METHODS: This was a retrospective single-center study to analyze the safety of kidney transplantation and its outcomes in patients undergoing transplantation while on the continuation phase of ATT. RESULTS: Between 2013 and 2022, 30 patients underwent kidney transplantation while on ATT. Median age was 38 years and 70% were males. Majority of the patients (86.7%) had extrapulmonary tuberculosis, most common site of involvement being tubercular lymphadenitis. 14/30 patients had microbiological/histopathological diagnosis of TB and the rest were diagnosed by ancillary tests. Patients were treated with 4 drug ATT (isoniazid, rifampicin, pyrazinamide, ethambutol) before transplantation for aminimum of 2 months. Post-transplantation fluoroquinolone-based non-rifamycin ATT was used (median duration 11 months). All patients completed therapy. At 2 years, there was 100% patient survival and 96.7% graft survival. Median eGFR at 6, 12, and 24 months post-transplantation was 71.9, 64.7, and 67 mL/min/1.73m2, respectively. The percentage of patients suffering a biopsy proven acute rejection at 6, 12, and 24 months was 3.3%, 6.7%, and 6.7%. CONCLUSION: Kidney transplantation can be done in patients with TB who have a satisfactory response to the intensive phase of the ATT. The decision for transplantation while on the continuation phase of ATT should be individualized. In our experience, there is excellent patient and graft survival in these patients with a low risk of failure of ATT or relapse of TB.
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Antituberculosos , Rechazo de Injerto , Trasplante de Riñón , Tuberculosis , Humanos , Trasplante de Riñón/efectos adversos , Masculino , Femenino , Adulto , Estudios Retrospectivos , Antituberculosos/uso terapéutico , Persona de Mediana Edad , Tuberculosis/tratamiento farmacológico , Rechazo de Injerto/prevención & control , Supervivencia de Injerto/efectos de los fármacos , Resultado del Tratamiento , Pirazinamida/uso terapéutico , Etambutol/uso terapéutico , Adulto Joven , Fallo Renal Crónico/cirugía , Fallo Renal Crónico/complicaciones , Rifampin/uso terapéuticoRESUMEN
Water plays a vital role as a natural resource since life is unsustainable without it. If water is polluted or contaminated, it results in several health issues among people. Millions of people are infected with waterborne diseases globally, and India is no exception. In the present review, we have analyzed the outbreaks of waterborne diseases that occurred in several Indian states between 2014 and 2020, identified the key infections, and provided insights into the performance of sanitation improvement programs. We noted that acute diarrheal disease (ADD), typhoid, cholera, hepatitis, and shigellosis are common waterborne diseases in India. These diseases have caused about 11,728 deaths between 2014 and 2018 out of which 10,738 deaths occurred only after 2017. The outbreaks of these diseases have been rising because of a lack of adequate sanitation, poor hygiene, and the absence of proper disposal systems. Despite various efforts by the government such as awareness campaigns, guidance on diet for infected individuals, and sanitation improvement programs, the situation is still grim. Disease hotspots and risk factors must be identified, water, sanitation, and hygiene (WASH) services must be improved, and ongoing policies must be effectively implemented to improve the situation. The efforts must be customized to the local environment. In addition, the possible effects of climate change must be projected, and strategies must be accordingly optimized.
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Enfermedades Transmitidas por el Agua , Humanos , Enfermedades Transmitidas por el Agua/epidemiología , India/epidemiología , Brotes de Enfermedades , Factores de Riesgo , AguaRESUMEN
Microtubules gliding on motor-functionalized surfaces have been explored for various nanotechnological applications. However, when moving over large distances (several millimeters) and long times (tens of minutes), microtubules are lost due to surface detachment. Here, we demonstrate the multiplication of kinesin-1-driven microtubules that comprises two concurrent processes: (i) severing of microtubules by the enzyme spastin and (ii) elongation of microtubules by self-assembly of tubulin dimers at the microtubule ends. We managed to balance the individual processes such that the average length of the microtubules stayed roughly constant over time while their number increased. Moreover, we show microtubule multiplication in physical networks with topographical channel structures. Our method is expected to broaden the toolbox for microtubule-based in vitro applications by counteracting the microtubule loss from substrate surfaces. Among others, this will enable upscaling of network-based biocomputation, where it is vital to increase the number of microtubules during operation.
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Microtúbulos , Nanotecnología , Cinesinas/metabolismo , Microtúbulos/metabolismo , Espastina/metabolismo , Tubulina (Proteína)/metabolismoRESUMEN
Iron deficiency (ID) with or without anemia is frequently observed in patients with heart failure (HF). Uncorrected ID is associated with higher hospitalization and mortality in patients with acute HF (AHF) and chronic HF (CHF). Hence, in addition to chronic renal insufficiency, anemia, and diabetes, ID appears as a novel comorbidity and a treatment target of CHF. Intravenous (IV) ferric carboxymaltose (FCM) reduces the hospitalization risk due to HF worsening and improves functional capacity and quality of life (QOL) in HF patients. The current consensus document provides criteria, an expert opinion on the diagnosis of ID in HF, patient profiles for IV FCM, and correct administration and monitoring of such patients.
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Anemia Ferropénica , Insuficiencia Cardíaca , Deficiencias de Hierro , Humanos , Anemia Ferropénica/etiología , Anemia Ferropénica/complicaciones , Calidad de Vida , Hierro/uso terapéutico , Insuficiencia Cardíaca/complicaciones , Insuficiencia Cardíaca/tratamiento farmacológicoRESUMEN
Adverse cardiac remodeling refers to progressive structural and functional modifications in the heart because of increased wall stress in the myocardium, loss of viable myocardium, and neurohormonal stimulation. The guideline-directed medical therapy for Heart failure (HF) includes Angiotensin receptor-neprilysin inhibitor (ARNI) (sacubitril/valsartan), ß-blockers, sodium-glucose co-transporter 2 (SGLT2) inhibitors, and mineralocorticoid receptor antagonists (MRA). ARNI is under-prescribed in India despite its attractive safety and efficacy profile. Therefore, the consensus discusses objectives and topics related to ARNI in the management of cardiac remodeling, and experts shared their views on the early timely intervention of effective dosage of ARNI to improve the diagnosis and enhance mortality and morbidity benefits in cardiac reverse remodeling (CRR).
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Insuficiencia Cardíaca , Neprilisina , Humanos , Neprilisina/farmacología , Remodelación Ventricular , Tetrazoles/farmacología , Resultado del Tratamiento , Antagonistas de Receptores de Angiotensina/uso terapéutico , Volumen Sistólico , Insuficiencia Cardíaca/tratamiento farmacológico , Insuficiencia Cardíaca/diagnóstico , AntihipertensivosRESUMEN
In eukaryotic cells, membranous vesicles and organelles are transported by ensembles of motor proteins. These motors, such as kinesin-1, have been well characterized in vitro as single molecules or as ensembles rigidly attached to nonbiological substrates. However, the collective transport by membrane-anchored motors, that is, motors attached to a fluid lipid bilayer, is poorly understood. Here, we investigate the influence of motors' anchorage to a lipid bilayer on the collective transport characteristics. We reconstituted "membrane-anchored" gliding motility assays using truncated kinesin-1 motors with a streptavidin-binding peptide tag that can attach to streptavidin-loaded, supported lipid bilayers. We found that the diffusing kinesin-1 motors propelled the microtubules in the presence of ATP. Notably, we found the gliding velocity of the microtubules to be strongly dependent on the number of motors and their diffusivity in the lipid bilayer. The microtubule gliding velocity increased with increasing motor density and membrane viscosity, reaching up to the stepping velocity of single motors. This finding is in contrast to conventional gliding motility assays where the density of surface-immobilized kinesin-1 motors does not influence the microtubule velocity over a wide range. We reason that the transport efficiency of membrane-anchored motors is reduced because of their slippage in the lipid bilayer, an effect that we directly observed using single-molecule fluorescence microscopy. Our results illustrate the importance of motor-cargo coupling, which potentially provides cells with an additional means of regulating the efficiency of cargo transport.
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Cinesinas/metabolismo , Membrana Dobles de Lípidos/metabolismo , Animales , Transporte Biológico , Proteínas Portadoras/química , Cinesinas/química , Microtúbulos/metabolismo , RatasRESUMEN
Stargardt disease is the most common form of early onset macular degeneration. Mutations in ABCA4, a member of the ATP-binding cassette (ABC) family, are associated with Stargardt disease. Here, we have examined two disease-causing mutations in the NBD1 region of ABCA4, R1108C, and R1129C, which occur within regions of high similarity with CFTR, another ABC transporter gene, which is associated with cystic fibrosis. We show that R1108C and R1129C are both temperature-sensitive processing mutants that engage the cellular quality control mechanism and show a strong interaction with the chaperone Hsp 27. Both mutant proteins also interact with HDCAC6 and are degraded in the aggresome. We also demonstrate that novel corrector compounds that are being tested as treatment for cystic fibrosis, such as VX-809, can rescue the processing of the ABCA4 mutants, particularly their expression at the cell surface, and can reduce their binding to HDAC6. Thus, our data suggest that VX-809 can potentially be developed as a new therapy for Stargardt disease, for which there is currently no treatment.
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Transportadoras de Casetes de Unión a ATP/metabolismo , Aminopiridinas/farmacología , Benzodioxoles/farmacología , Proteínas de Choque Térmico HSP27/metabolismo , Histona Desacetilasas/metabolismo , Sustancias Protectoras/farmacología , Transportadoras de Casetes de Unión a ATP/química , Transportadoras de Casetes de Unión a ATP/genética , Secuencia de Aminoácidos , Anilidas/farmacología , Regulador de Conductancia de Transmembrana de Fibrosis Quística/química , Regulador de Conductancia de Transmembrana de Fibrosis Quística/genética , Regulador de Conductancia de Transmembrana de Fibrosis Quística/metabolismo , Inhibidores Enzimáticos/farmacología , Expresión Génica , Células HEK293 , Proteínas de Choque Térmico HSP27/genética , Histona Desacetilasa 6 , Histona Desacetilasas/genética , Humanos , Ácidos Hidroxámicos/farmacología , Macrólidos/farmacología , Degeneración Macular/congénito , Degeneración Macular/tratamiento farmacológico , Degeneración Macular/genética , Degeneración Macular/metabolismo , Datos de Secuencia Molecular , Mutación , Transporte de Proteínas , Proteolisis , Homología de Secuencia de Aminoácido , Transducción de Señal , Enfermedad de Stargardt , TransgenesRESUMEN
AIM: To investigate systemic regulators of the cancer-associated cachexia syndrome (CACS) in a pre-clinical model for lung cancer with the goal to identify therapeutic targets for tissue wasting. METHODS: Using the Kras/Lkb1 (KL) mouse model, we found that CACS is associated with white adipose tissue (WAT) dysfunction that directly affects skeletal muscle homeostasis. WAT transcriptomes showed evidence of reduced adipogenesis, and, in agreement, we found low levels of circulating adiponectin. To preserve adipogenesis and restore adiponectin levels, we treated mice with the PPAR-γ agonist, rosiglitazone. RESULTS: Rosiglitazone treatment increased serum adiponectin levels, delayed weight loss, and preserved skeletal muscle and adipose tissue mass, as compared to vehicle-treated mice. The preservation of muscle mass with rosiglitazone was associated with increases in AMPK and AKT activity. Similarly, activation of the adiponectin receptors in muscle cells increased AMPK activity, anabolic signaling, and protein synthesis. CONCLUSION: Our data suggest that PPAR-γ agonists may be a useful adjuvant therapy to preserve tissue mass in lung cancer.
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Adiponectina , Caquexia , Neoplasias Pulmonares , Rosiglitazona , Animales , Rosiglitazona/farmacología , Rosiglitazona/uso terapéutico , Neoplasias Pulmonares/metabolismo , Neoplasias Pulmonares/tratamiento farmacológico , Neoplasias Pulmonares/patología , Caquexia/metabolismo , Caquexia/tratamiento farmacológico , Adiponectina/metabolismo , Ratones , Músculo Esquelético/metabolismo , Músculo Esquelético/efectos de los fármacos , PPAR gamma/metabolismo , PPAR gamma/agonistas , Masculino , Tejido Adiposo Blanco/metabolismo , Tejido Adiposo Blanco/efectos de los fármacos , Ratones Endogámicos C57BL , Tiazolidinedionas/farmacología , Tiazolidinedionas/uso terapéuticoRESUMEN
Intracellular vesicular transport along cytoskeletal filaments ensures targeted cargo delivery. Such transport is rarely unidirectional but rather bidirectional, with frequent directional reversals owing to the simultaneous presence of opposite-polarity motors. So far, it has been unclear whether such complex motility pattern results from the sole mechanical interplay between opposite-polarity motors or requires regulators. Here, we demonstrate that a minimal system, comprising purified Dynein-Dynactin-BICD2 (DDB) and kinesin-3 (KIF16B) attached to large unilamellar vesicles, faithfully reproduces in vivo cargo motility, including runs, pauses, and reversals. Remarkably, opposing motors do not affect vesicle velocity during runs. Our computational model reveals that the engagement of a small number of motors is pivotal for transitioning between runs and pauses. Taken together, our results suggest that motors bound to vesicular cargo transiently engage in a tug-of-war during pauses. Subsequently, stochastic motor attachment and detachment events can lead to directional reversals without the need for regulators.
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Dineínas , Cinesinas , Dineínas/metabolismo , Cinesinas/metabolismo , Transporte Biológico , Citoesqueleto/metabolismo , Complejo Dinactina/metabolismo , Microtúbulos/metabolismoRESUMEN
Background: Androgen deprivation therapy (ADT) is a common treatment modality for men with prostate cancer. Increases in adipose tissue mass and decreases in skeletal muscle mass are known on-target adverse effects of standard ADT. The effects of newer agents such as abiraterone acetate (ABI) and enzalutamide (ENZA) on body composition and how these compare with standard luteinizing hormone-releasing hormone agonists (aLHRHs) are unclear. Objective: To assess the effects of different forms of androgen deprivation therapy on body composition in men with prostate cancer. Design setting and participants: Using a retrospective design, 229 patients receiving aLHRHs alone (n = 120) or in combination with ABI (n = 53) or ENZA (n = 56) were studied. Outcome measurements and statistical analysis: Muscle, visceral adipose tissue (VAT), and subcutaneous adipose tissue (SAT) were assessed at baseline, 6 mo, and 18 mo after initiating therapy using a cross-sectional densitometry analysis performed on standard of care computed tomography images. Response trajectories for all treatment groups were calculated via a two-way analysis of variance post hoc test, for both within-group and between-group differences. Results and limitations: Treatment with aLHRHs, ABI, and ENZA was associated with a median muscle volume loss of -1.4%, -4.8%, and -5.5% at 6 mo, and -7.1%, -8.1%, and -8.3% at 18 mo, respectively. Therapy with aLHRHs was associated with minimal changes in VAT (0.3% at 6 mo and -0.1% at 18 mo). ABI therapy was associated with significant increases in VAT at 6 mo (4.9%) but not at 18 mo (0.5%), and ENZA therapy was associated with significant decreases in VAT (-4.6% at 6 mo and -5.4% at 18 mo). With respect to SAT, treatment with aLHRHs was associated with increases over time (8.6% at 6 mo and 4.7% at 18 mo), ABI was associated with decreases over time (-3.6% at 6 mo and -6.8% at 18 mo), and ENZA had no clear effects (1.7% at 6 mo and 3.3% at 18 mo). Conclusions: ADT regimens cause significant short-term losses in muscle mass, with the most rapid effects occurring with ABI and ENZA. The three regimens have disparate effects on SAT and VAT, suggesting distinct roles of androgens in these tissues. Patient summary: Androgen deprivation therapy alters body composition in men with prostate cancer. Abiraterone and enzalutamide are associated with losses in muscle mass compared with luteinizing hormone-releasing hormone agonists. These treatments impact subcutaneous and visceral fat mass, suggesting distinct roles of androgens in these tissues.
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The cancer associated cachexia syndrome (CACS) is a systemic metabolic disorder resulting in loss of body weight due to skeletal muscle and adipose tissues atrophy. CACS is particularly prominent in lung cancer patients, where it contributes to poor quality of life and excess mortality. Using the Kras/Lkb1 (KL) mouse model, we found that CACS is associated with white adipose tissue (WAT) dysfunction that directly affects skeletal muscle homeostasis. WAT transcriptomes showed evidence of reduced adipogenesis, and, in agreement, we found low levels of circulating adiponectin. To preserve adipogenesis and restore adiponectin levels, we treated mice with the PPAR-γ agonist, rosiglitazone. Rosiglitazone treatment increased serum adiponectin levels, delayed weight loss, and preserved skeletal muscle and adipose tissue mass, as compared to vehicle-treated mice. The preservation of muscle mass with rosiglitazone was associated with increases in AMPK and AKT activity. Similarly, activation of the adiponectin receptors in muscle cells increased AMPK activity, anabolic signaling, and protein synthesis. Our data suggest that PPAR-γ agonists may be a useful adjuvant therapy to preserve tissue mass in lung cancer.
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Cachexia is a debilitating comorbidity affecting many lung cancer patients. We have previously found that cachectic mice with lung cancer have reduced serum ketone body levels due to low PPARα activity in the liver. Restoring hepatic PPARα activity with fenofibrate increased circulating ketones and delayed muscle and white adipose tissue wasting. We hypothesized that the loss of circulating ketones plays a pathophysiologic role in cachexia and performed two dietary intervention studies to test this hypothesis. In the first study, male and female mice were randomized to consume either a very low carbohydrate, ketogenic diet (KD) or normal chow (NC) after undergoing tumor induction. The KD successfully restored serum ketone levels and decreased blood glucose in cachectic mice but did not improve body weight maintenance or survival. In fact, there was a trend for the KD to worsen survival in male but not in female mice. In the second study, we compounded a ketone ester supplement into the NC diet (KE) and randomized tumor-bearing mice to KE or NC after tumor induction. We confirmed that KE was able to acutely and chronically increase ketone body abundance in the serum compared to NC. However, the restoration of ketones in the circulation was not able to improve body weight maintenance or survival in male or female mice with lung cancer. Finally, we investigated PPARα activity in the liver of mice fed KE and NC and found that animals fed a ketone ester supplement showed a significant increase in mRNA expression of several PPARα targets. These data negate our initial hypothesis and suggest that restoring ketone body availability in the circulation of mice with lung cancer does not alter cachexia development or improve survival, despite increasing hepatic PPARα activity.
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BACKGROUND: Fructose is an abundant source of carbon and energy for cells to use for metabolism, but only certain cell types use fructose to proliferate. Tumor cells that acquire the ability to metabolize fructose have a fitness advantage over their neighboring cells, but the proteins that mediate fructose metabolism in this context are unknown. Here, we investigated the determinants of fructose-mediated cell proliferation. METHODS: Live cell imaging and crystal violet assays were used to characterize the ability of several cell lines (RKO, H508, HepG2, Huh7, HEK293T (293T), A172, U118-MG, U87, MCF-7, MDA-MB-468, PC3, DLD1 HCT116, and 22RV1) to proliferate in fructose (i.e., the fructolytic ability). Fructose metabolism gene expression was determined by RT-qPCR and western blot for each cell line. A positive selection approach was used to "train" non-fructolytic PC3 cells to utilize fructose for proliferation. RNA-seq was performed on parental and trained PC3 cells to find key transcripts associated with fructolytic ability. A CRISPR-cas9 plasmid containing KHK-specific sgRNA was transfected in 293T cells to generate KHK-/- cells. Lentiviral transduction was used to overexpress empty vector, KHK, or GLUT5 in cells. Metabolic profiling was done with seahorse metabolic flux analysis as well as LC/MS metabolomics. Cell Titer Glo was used to determine cell sensitivity to 2-deoxyglucose in media containing either fructose or glucose. RESULTS: We found that neither the tissue of origin nor expression level of any single gene related to fructose catabolism determine the fructolytic ability. However, cells cultured chronically in fructose can develop fructolytic ability. SLC2A5, encoding the fructose transporter, GLUT5, was specifically upregulated in these cells. Overexpression of GLUT5 in non-fructolytic cells enabled growth in fructose-containing media across cells of different origins. GLUT5 permitted fructose to flux through glycolysis using hexokinase (HK) and not ketohexokinase (KHK). CONCLUSIONS: We show that GLUT5 is a robust and generalizable driver of fructose-dependent cell proliferation. This indicates that fructose uptake is the limiting factor for fructose-mediated cell proliferation. We further demonstrate that cellular proliferation with fructose is independent of KHK.
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Membrane formation by amphipathic mixtures in aqueous environments is central to eukaryotic biology. Formation of aqueous compartments enclosed by membranes is of immense importance in designing liposomal systems for pharmaceutical applications. It is also continuously controlled within the dynamic environment of a living cell and, during cell division. In spite of over four decades of research on protein-free lipid bilayers, membrane compartment formation is still an art rather than science. This is because the experimental efforts to date have been aimed at making aqueous compartments from different lipid mixtures in different buffers and solutions of different ionic strengths. Thus, even similar methodologies produce varying results in different laboratories. In this work, we provide for the first time, experimental parameters of minimum hydration volume and maximum possible volumes for aqueous entrapments formed by DOPE:DOPC:Chol stoichiometries similar to intracellular environments and those used in pharmaceutical research for liposomal systems. We define a new experimental parameter of "Critical Compartmentalization Concentration" for formation of membrane-bound 200-400 nm aqueous compartments by these amphipathic mixtures in the simplest possible controlled environment of pure water. We report the first experimental insights into "equations" governing self-assembly leading to formation of membrane compartments encapsulating aqueous volumes. Our work opens a completely new avenue for engineering of aqueous compartment and liposomal preparations using known biological lipids in different aqueous environments.
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Biomimética/métodos , Cristalización/métodos , Membrana Dobles de Lípidos/química , Membranas Artificiales , Nanoestructuras/química , Nanoestructuras/ultraestructura , Agua/química , Liposomas/química , Sustancias Macromoleculares/química , Ensayo de Materiales , Conformación Molecular , Nanotecnología/métodos , Tamaño de la Partícula , Propiedades de SuperficieRESUMEN
In the original publication of the article, while submitting the case report.
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The effect of bariatric surgery on renal functions of patients with chronic kidney disease (CKD) is not well characterized. This prospective study included 13 adult patients having chronic kidney disease who underwent bariatric surgery. The primary objective was to examine the change in glomerular filtration rate (GFR) at 6 months post-bariatric surgery. Median GFR (measured by creatinine clearance) did not change significantly (55 ml/min vs 59 ml/min, p = 0.345) although there was a significant decrease in the protein excretion rate (1700 mg/day vs 900 mg/day, p = 0.001) at 6 months. An improvement in the KDIGO CKD risk category was seen in 30.7% patients. In CKD patients undergoing bariatric surgery, renal function improves over the first 6 months with a decrease in proteinuria and a stable GFR.
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Cirugía Bariátrica , Obesidad Mórbida , Insuficiencia Renal Crónica , Adulto , Creatinina , Tasa de Filtración Glomerular , Humanos , Obesidad Mórbida/cirugía , Estudios ProspectivosRESUMEN
Post transplant lymphoproliferative disorder (PTLD) is a rare complication after kidney transplantation. Graft dysfunction is often encountered during the course of the treatment of PTLD, at times leading to need for retransplantation. We describe here the case of a young boy who underwent retransplantation after treatment of early Epstein Barr virus (EBV) related post transplant lymphoproliferative disorder. Our case highlights the various factors needing deliberation before retransplantation including time from remission of PTLD, EBV serostatus and choice of induction and maintenance immunosuppression agents.
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Infecciones por Virus de Epstein-Barr/complicaciones , Trasplante de Riñón/efectos adversos , Trastornos Linfoproliferativos/etiología , Disfunción Primaria del Injerto/etiología , Retratamiento/métodos , Antivirales/administración & dosificación , Antivirales/uso terapéutico , Niño , Quimioterapia Combinada , Infecciones por Virus de Epstein-Barr/tratamiento farmacológico , Infecciones por Virus de Epstein-Barr/virología , Herpesvirus Humano 4/inmunología , Herpesvirus Humano 4/aislamiento & purificación , Humanos , Inmunosupresores/administración & dosificación , Inmunosupresores/uso terapéutico , Trastornos Linfoproliferativos/diagnóstico , Trastornos Linfoproliferativos/virología , Masculino , Complicaciones Posoperatorias , Inducción de Remisión , Resultado del Tratamiento , Valaciclovir/administración & dosificación , Valaciclovir/uso terapéuticoRESUMEN
Membranous nephropathy is known to be associated with number of autoimmune diseases. Occurrence of PLA2R positive membranous nephropathy with sjogren's syndrome and chronic inflammatory demyelinating neuropathy (CIDP) is quite rare. Role of PLA2R antigen in autoimmune diseases like sjogren's syndrome and CIDP is largely unknown. Choice and initiation of immunosuppression if required may also be governed by the presence of other autoimmune diseases along with PLA2R positive membranous nephropathy.