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Use of lacosamide for focal epilepsy in a child with kidney failure undergoing peritoneal dialysis. Brain Dev 2024; 46:114-117. [PMID: 37914622 DOI: 10.1016/j.braindev.2023.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 10/04/2023] [Accepted: 10/15/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Lacosamide (LCM) has become commonly used for focal onset seizures due to its high tolerability and low drug interactions. Unlike patients on hemodialysis (HD), pharmacokinetic data and dosing recommendations for patients undergoing peritoneal dialysis (PD) are scant. CASE REPORT A 2-year-old girl with end-stage kidney disease undergoing PD suffered prolonged focal onset seizures. The patient had congenital anomalies of the kidney and urinary tract associated with branchio-oto-renal syndrome due to an EYA1 gene mutation. She also had neurological sequelae from post-resuscitation encephalopathy at the age of one month. Antiseizure medication with few drug interactions, less impact on the neurodevelopmental state and possibility of intravenous administration was preferred. LCM met those criteria and was carefully administered. Although the patient had recurrent prolonged seizures during the titration periods, LCM could be continued without any apparent side effects. The blood levels of LCM increased linearly to the optimal level. We confirmed excretion of LCM in the PD fluid. Kidney transplantation was done three months after and her seizures were well controlled. CONCLUSIONS LCM might be a promising option for patients undergoing PD. Due to the lower removal efficacy in PD compared with in HD, close attention should be paid to possible drug excess.
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Changes in bone turnover markers after discontinuing long-term glucocorticoid administration in children with idiopathic nephrotic syndrome: a multicenter retrospective observational study. Pediatr Nephrol 2023; 38:3285-3296. [PMID: 37052692 DOI: 10.1007/s00467-023-05966-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 03/03/2023] [Accepted: 03/27/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND Glucocorticoids affect bone turnover. Little is known about how bone turnover changes when glucocorticoids are discontinued following long-term administration. METHODS This retrospective observational study was conducted on the relationship between discontinuation of long-term administration of glucocorticoid and bone turnover markers (BTMs) in patients with childhood-onset idiopathic nephrotic syndrome. Serum bone alkaline phosphatase (BAP), intact procollagen type 1 N-terminal propeptide (P1NP), and tartrate-resistant acid phosphatase-5b (TRACP-5b) were evaluated as BTMs. RESULTS Thirty-eight pairs of BTMs at glucocorticoid administration and after discontinuation were analyzed in 29 patients. The median age at baseline was 12.4 (interquartile range, 9.0-14.5) years, and the median time from the onset of nephrotic syndrome was 5.9 (3.3-9.7) years. The mean period from prednisolone discontinuation to the measurement of BTMs after glucocorticoid discontinuation was 3.5 ± 1.0 months. Changes in BTMs after glucocorticoid discontinuation were modest when the daily prednisolone dose was < 0.25 mg/kg/day (ln BAP standard deviation [SD] score, p = 0.19; log intact P1NP SD score, p = 0.70; TRACP-5b, p = 0.95). When the daily prednisolone dose was ≥ 0.25 mg/kg/day, all BTMs increased significantly after glucocorticoid discontinuation (ln BAP SD score, p < 0.01; log intact P1NP SD score, p < 0.01; TRACP-5b, p < 0.01). CONCLUSIONS Decreased BTMs can rise within a few months of discontinuing long-term glucocorticoid administration. When the administered glucocorticoid dose is low, changes in BTMs may be small. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Gastrointestinal: Small bowel hemangioma with unusual endoscopic findings and complicated with obscure gastrointestinal bleeding. J Gastroenterol Hepatol 2023; 38:1455. [PMID: 36751046 DOI: 10.1111/jgh.16109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/17/2022] [Accepted: 01/07/2023] [Indexed: 02/09/2023]
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Cooccurrence of Alport syndrome and poststreptococcal acute glomerulonephritis with improvement after steroid administration. CEN Case Rep 2022; 11:453-457. [PMID: 35397771 DOI: 10.1007/s13730-022-00699-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 03/25/2022] [Indexed: 11/26/2022] Open
Abstract
It is clinically possible for patients with Alport syndrome (AS) to suffer from poststreptococcal acute glomerulonephritis (PSAGN). However, there is only one report of such a patient, and he had end-stage kidney disease. Here, we describe an 8-year-old male with X-linked AS and chronic kidney disease (CKD) stage G2. He presented with diffuse edema, gross hematuria, proteinuria, and body weight gain after streptococcal pharyngitis. Blood examination showed kidney dysfunction, hypocomplementemia, and increased anti-streptolysin-O levels. His kidney function did not improve with symptomatic treatment. Therefore, we started steroid administration on the 12th day of hospitalization. Then, his kidney function improved before he was discharged. We confirmed that his complement function had recovered at a later date. Pathological evaluation showed findings of AS and PSAGN, including cellular crescents in 3/30 glomeruli on light microscopy. In addition, electron dense deposits (EDDs) were seen in not only the visceral subepithelium but also the glomerular basement intramembrane and subendothelium, some of which were hump-like. Although AS and CKD are indicated to have a poor prognosis in PSAGN, our patient recovered after administration of steroids. Our case suggests that we can consider the administration of steroids, including pulse therapy for PSAGN, when patients have, for example, crescents on pathology, severe renal dysfunction, nephrotic proteinuria, or AS with CKD, as in our case. Kidney pathology suggested that a typical hump is not seen in patients with cooccurring AS and PSAGN. After the patient's kidney function recovered, we continued to follow him.
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Kidney transplantation after peritoneal dialysis-associated peritonitis and abdominal abscesses caused by Mycobacterium massiliense: lesson for the clinical nephrologist. J Nephrol 2022; 35:1907-1910. [PMID: 34982412 DOI: 10.1007/s40620-021-01244-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 12/26/2021] [Indexed: 10/19/2022]
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The effect of rituximab on the quality of life of children with refractory nephrotic syndrome. Pediatr Int 2022; 64:e14725. [PMID: 33826766 DOI: 10.1111/ped.14725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 03/23/2021] [Accepted: 04/02/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Rituximab (RTX) is an effective treatment for maintaining remission in patients with nephrotic syndrome (NS), but there are few reports on the effect of RTX treatment on quality of life (QOL). The purpose of this study was to examine the effect of periodically repeated RTX treatment from the perspective of QOL. METHODS We systematically assessed the QOL of pediatric patients with refractory NS and parents' perceptions of their children's QOL through a 2 year RTX treatment protocol. Pediatric patients from Hokkaido University Hospital with refractory NS who met our specific criteria were enrolled between January 2015 and December 2015. The RTX infusion was performed 4 times at 6-month intervals, followed by mizoribine administration with early discontinuation of calcineurin inhibitors. Quality of life scores were measured by the Pediatric Quality of Life Inventory version 4.0 (PedsQL) at each RTX administration and evaluated 2 years later. RESULTS Twenty-two patients were analyzed. The patients' QOL and their parents' perceptions of their QOL improved over our 2 year treatment protocol. Nevertheless, the parents' scores were lower than the patients' scores on all scales, with slower improvement. CONCLUSIONS Our treatment protocol showed a significant improvement of QOL in patients with refractory NS. Although the risk of the RTX treatment should be considered, the treatment is useful for patients with refractory NS.
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Successful kidney transplantation in a patient with neonatal-onset ILNEB. Pediatr Transplant 2021; 25:e13971. [PMID: 33470490 DOI: 10.1111/petr.13971] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/18/2020] [Accepted: 12/29/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND ILNEB constitute an autosomal recessive disorder caused by homozygous or compound heterozygous mutation of the gene for the ITGA3. To date, 8 ILNEB patients have been reported, but all 6 neonatal-onset ILNEB patients suffered early death within 2 years. The most common cause of death among previously reported ILNEB patients was exacerbation of the respiratory condition. METHODS In this study, we describe a case of ILNEB with neonatal onset in a female patient and the genetic and histopathological testing performed. RESULTS Our patient had a compound heterozygous mutation in ITGA3. Compared to previously reported patients, this patient exhibited milder clinical and histopathological characteristics. After experiencing a life-threatening respiratory infection at 8 months old, the patient started periodic subcutaneous immunoglobulin treatment once every 1-2 weeks for nephrotic-range proteinuria-induced secondary hypogammaglobulinemia. At the age of 3 years, proteinuria gradually increased with severe edema despite strict internal management. Therefore, our patient underwent unilateral nephrectomy and insertion of a peritoneal dialysis catheter followed by another unilateral nephrectomy. One month later, she underwent an ABO-compatible living-donor kidney transplantation at the age of 4 years. CONCLUSIONS Our patient is a neonatal-onset ILNEB patient who survived for more than 2 years and underwent successful kidney transplantation.
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Long-term clinical characteristics and renal prognosis of children with tubulointerstitial nephritis and uveitis syndrome. Pediatr Nephrol 2021; 36:2319-2325. [PMID: 33534000 DOI: 10.1007/s00467-021-04956-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/15/2020] [Accepted: 01/19/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Tubulointerstitial nephritis and uveitis (TINU) syndrome is a rare disease, especially in children. Owing to the short-term observational period and the small number of patients analyzed in previous reports, the long-term clinical and laboratory characteristics and renal prognosis of children with TINU syndrome remain unclear. METHODS In this retrospective observational study, we enrolled 29 children with TINU syndrome from February 1990 to February 2019. RESULTS During the median follow-up duration of 38 months, the kidney function, urinary β2 microglobulin-creatinine ratio (U-β2MG/Cr), and uveitis in the patients had significantly improved at 24, 6, and 36 months after diagnosis. Higher U-β2MG/Cr was associated with longer duration of kidney function normalization. Half of the patients required uveitis treatment for 5 years after the diagnosis. CONCLUSIONS Patients with severe low-molecular weight proteinuria at diagnosis needed a longer duration to achieve improvements in kidney function. Uveitis has a much longer treatment period than tubulointerstitial nephritis. This study demonstrates the good prognosis of children with TINU syndrome in terms of their long-term clinical and laboratory characteristics.
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Coexistence of acute poststreptococcal glomerulonephritis and acute rheumatic fever in a Japanese girl with primary Sjögren's syndrome. Mod Rheumatol Case Rep 2020; 4:262-266. [PMID: 33087015 DOI: 10.1080/24725625.2020.1728060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Although acute poststreptococcal glomerulonephritis (APSGN) and acute rheumatic fever (ARF) are well-known complications of group A streptococcus infection, concomitant occurrence of both diseases is rare. We report an 11-year-old Japanese girl with primary Sjögren's syndrome complicated by acute renal failure about 2 weeks after the onset of pharyngitis. Although histopathological findings of the kidney were not confirmative, APSGN was suggested by the spontaneous recovery of her renal function, typical latent period with high levels of antistreptolysin O and low serum levels of C3 but not of C4. In addition, cardiac hypomotility and regurgitation of the 4 valves progressed in the convalescent phase of APSGN, which was accompanied by elevation of serum C-reactive protein and plasma brain natriuretic peptide (BNP) levels. Myocarditis was suggested by delayed gadolinium-enhancement of cardiac walls on cardiac magnetic resonance imaging. She was diagnosed with APSGN and ARF and was treated with a combination of short course prednisolone and prophylactic penicillin G. There is no relapse of renal or cardiac symptoms during 6 years follow-up. Unexpected elevation of plasma BNP in a convalescent stage of APSGN suggests the development of ARF. Underlying Sjögren's syndrome (SS) may modify the histopathological findings and make it difficult to differentiate APSGN from CTD-associated nephritis such as lupus nephritis (LN) even by renal biopsy.
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Effects of istradefylline for quality of life in Parkinson's disease with freezing of gait: A singlearm, open-label, prospective, multicenter study. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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A girl presenting with gradually elevated levels of serum creatinine: Answers. Pediatr Nephrol 2020; 35:1427-1428. [PMID: 31960139 DOI: 10.1007/s00467-020-04479-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/06/2020] [Accepted: 01/08/2020] [Indexed: 11/27/2022]
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598 Identification of a human skin commensal bacterium that selectively kills cutibacterium acnes. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Three cases of recalcitrant cutaneous warts treated with quadrivalent human papillomavirus (HPV) vaccine: the HPV type may not determine the outcome. Br J Dermatol 2020; 182:1285-1287. [DOI: 10.1111/bjd.18645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Glucose metabolism disorders in children with refractory nephrotic syndrome. Pediatr Nephrol 2020; 35:649-657. [PMID: 31950245 DOI: 10.1007/s00467-019-04360-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/13/2019] [Accepted: 09/06/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Patients with refractory nephrotic syndrome (NS) are at high risk of medication-induced glucose metabolism disorders, because of their long-term use of diabetogenic medications, particularly glucocorticoids and calcineurin inhibitors (CNIs). However, there have been no comprehensive evaluations of glucose metabolism disorders in pediatric patients with refractory NS. Moreover, glucocorticoids and CNIs could not be discontinued in these patients until the effectiveness of rituximab on refractory NS was shown, and therefore, there has been limited opportunity to evaluate glucose metabolism disorders after discontinuation of these medications. METHODS Consecutive pediatric patients who started rituximab treatment for refractory NS were enrolled. Their glucose metabolism conditions were evaluated using the oral glucose tolerance tests (OGTT) and HbA1c levels at the initiation of rituximab treatment. Patients with glucose metabolism disorders at the first evaluation were reevaluated after approximately 2 years. RESULTS Overall, 57% (20/35) of study patients had glucose metabolism disorders, and 40% (8/20) of these patients were detected only by their 2-h OGTT blood glucose levels and not by their fasting blood glucose or HbA1c levels. Non-obese/non-overweight patients had significantly more glucose metabolism disorders than obese/overweight patients (p = 0.019). In addition, glucose metabolism disorders in 71% (10/14) of patients persisted after the discontinuation of glucocorticoids and CNIs. CONCLUSIONS Whether the patient is obese/overweight or not, patients with refractory NS are at high risk of developing glucose metabolism disorders, even in childhood. Non-obese/non-overweight patients who are at high risk of diabetes need extra vigilance.
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Mesangial C4d deposition at diagnosis in childhood immunoglobulin A nephropathy. Pediatr Int 2019; 61:1133-1139. [PMID: 31237969 DOI: 10.1111/ped.13921] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 06/13/2019] [Accepted: 06/18/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) is a major cause of end-stage renal disease. Complement activation via the lectin pathway influences outcomes in IgAN. We examined the association of glomerular C4d deposition with clinicopathological severity at diagnosis and the disappearance of proteinuria in Japanese pediatric IgAN patients. METHODS We retrospectively analyzed 25 children newly diagnosed with IgAN at Hokkaido University Hospital. We evaluated glomerular C4d immunofluorescent staining at diagnosis. We compared clinical findings, pathological findings (based on Oxford classification), and the disappearance of proteinuria within 24 months after renal biopsy between C4d-positive and C4d-negative patients. RESULTS Glomerular C4d staining was observed in 14 patients (56.0%). C4d-positive patients had significantly higher proteinuria at diagnosis than C4d-negative patients (2.03 g/gCr vs 0.78 g/gCr; P = 0.005). The number of glomeruli with segmental glomerulosclerosis or adhesion (8.0% vs 0.0%; P = 0.046) and the extent of tubular atrophy/interstitial fibrosis (9.46% vs 2.86%; P = 0.031) were significantly increased in C4d-positive patients compared with C4d-negative patients. Further, the proportion of patients with modified T1 (>10%) was significantly higher in the C4d-positive group than the C4d-negative group. There was no significant difference, however, in the disappearance rate of proteinuria at 24 months after renal biopsy between groups (64% vs 82%; P = 0.149). CONCLUSIONS Glomerular C4d deposition was associated with clinicopathological severity at diagnosis in Japanese pediatric patients with IgAN. Glomerular C4d deposition, however, was not a predictor of the disappearance of proteinuria within 24 months after diagnosis in Japanese pediatric patients with IgAN.
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Music therapy on gait disturbance and gait analysis for Parkinson's disease using a portable gait rhythmogram. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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CD44-Positive Glomerular Parietal Epithelial Cells in a Mouse Model of Calcineurin Inhibitors-Induced Nephrotoxicity. Nephron Clin Pract 2019; 142:71-81. [DOI: 10.1159/000497325] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 01/28/2019] [Indexed: 11/19/2022] Open
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Periodically repeated rituximab administrations in children with refractory nephrotic syndrome: 2-year multicenter observational study. Pediatr Nephrol 2019; 34:87-96. [PMID: 30141179 DOI: 10.1007/s00467-018-4063-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 08/09/2018] [Accepted: 08/16/2018] [Indexed: 12/30/2022]
Abstract
BACKGROUND Rituximab (RTX) is effective in maintaining remission in patients with nephrotic syndrome (NS), but a standard protocol of RTX administration has not been established. METHODS This study was a 2-year multicenter observational study, in which consistent treatments and evaluations were performed. We enrolled pediatric patients with refractory NS between January 2015 and December 2015. RTX infusion was performed four times at 6-month intervals, followed by mizoribine pulse therapy with early discontinuation of calcineurin inhibitor (CNI). Primary endpoints were the relapse-free survival rate and the number of relapses after RTX administration. Secondary endpoints were changes in side effects associated with long-term steroid administration. RESULTS Twenty-two patients were analyzed. The relapse-free survival rate at 1 year and 2 years was 50 and 46%, respectively. Twenty-one patients accomplished our protocol and the frequency of relapse was reduced under the discontinuation of CNI. Although two patients were diagnosed with frequent relapse and/or steroid dependency during the observation period, the frequency of relapse decreased with each rituximab dose. Statistically significant improvements in all steroid complications were observed in the final examination, but no significant improvements were observed from 1 to 2 years after RTX administration. One patient had agranulocytosis, and three patients showed electrocardiographic abnormalities. CONCLUSIONS Our protocol was useful and safe for refractory NS. However, RTX administration four times might have been excessive in patients who had no relapse by 1 year after the initial RTX administration. Further investigation of the most appropriate method of RTX administration is required.
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LB1557 Lantibiotics from human skin commensal bacteria defend against multiple Gram-positive bacterial skin pathogens. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.06.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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FP106PERIODICAL REPEATED RITUXIMAB ADMINISTRATIONS IN CHILDREN WITH REFRACTORY NEPHROTIC SYNDROME; TWO YEARS PROSPECTIVE OBSERVATIONAL STUDY. Nephrol Dial Transplant 2018. [DOI: 10.1093/ndt/gfy104.fp106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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426 Clinical improvement in atopic dermatitis following autologous application of microbiome therapy targeting Staphylococcus aureus. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.433] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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CHIVA - A Prospective Study of a Vein Sparing Technique for the Management of Varicose Vein Disease. J Vasc Surg Venous Lymphat Disord 2018. [DOI: 10.1016/j.jvsv.2017.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Effect of rotigotine on 25 patients with Parkinson's disease for 156 weeks, a single-arm, prospective study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Efficacy of istradefylline for gait disorders in patients with Parkinson’s disease: A single-arm, prospective, multicenter, joint clinical study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Synergistic anti-AML effects of the LSD1 inhibitor T-3775440 and the NEDD8-activating enzyme inhibitor pevonedistat via transdifferentiation and DNA rereplication. Oncogenesis 2017; 6:e377. [PMID: 28892104 PMCID: PMC5623902 DOI: 10.1038/oncsis.2017.76] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 06/18/2017] [Accepted: 07/11/2017] [Indexed: 12/12/2022] Open
Abstract
Lysine-specific demethylase 1A (LSD1, KDM1A) specifically demethylates di- and monomethylated histones H3K4 and K9, resulting in context-dependent transcriptional repression or activation. We previously identified an irreversible LSD1 inhibitor T-3775440, which exerts antileukemic activities in a subset of acute myeloid leukemia (AML) cell lines by inducing cell transdifferentiation. The NEDD8-activating enzyme inhibitor pevonedistat (MLN4924, TAK-924) is an investigational drug with antiproliferative activities in AML, and is also reported to induce cell differentiation. We therefore tested the combination of these two agents in AML models. The combination treatment resulted in synergistic growth inhibition of AML cells, accompanied by enhanced transdifferentiation of an erythroid leukemia lineage into granulomonocytic-like lineage cells. In addition, pevonedistat-induced rereplication stress during the S phase was greatly augmented by concomitant treatment with T-3775440, as reflected by the increased induction of apoptosis. We further demonstrated that the combination treatment was markedly effective in subcutaneous tumor xenograft models as well as in a disseminated model of AML, leading to tumor eradication or prolonged survival in T-3775440/pevonedistat cotreated mice. Our findings indicate the therapeutic potential of the combination of LSD1 inhibitors and pevonedistat for the treatment of AML.
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Nephronophthisis with brown tumor: Old and new problems. Pediatr Int 2017; 59:1024-1025. [PMID: 28786156 DOI: 10.1111/ped.13341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 05/07/2017] [Accepted: 06/07/2017] [Indexed: 11/27/2022]
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Vomiting in infant with congenital nephrotic syndrome: Answers. Pediatr Nephrol 2017; 32:1521-1523. [PMID: 27757586 DOI: 10.1007/s00467-016-3532-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Revised: 09/23/2016] [Accepted: 09/24/2016] [Indexed: 02/07/2023]
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Growth hormone therapy for a patient with idiopathic Fanconi syndrome and growth hormone deficiency. CEN Case Rep 2017; 6:85-87. [PMID: 28509131 DOI: 10.1007/s13730-017-0249-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 01/23/2017] [Indexed: 11/29/2022] Open
Abstract
Idiopathic Fanconi syndrome (FS) is characterized by a generalized dysfunction of the renal proximal tubules. Patients with FS often exhibit growth retardation due to complex factors, such as hypophosphatemia, metabolic acidosis, disturbed vitamin D metabolism and hypokalemia. To date, one FS patient has been reported to exhibit growth failure due to growth hormone deficiency (GHD), but the long-term clinical course of recombinant human GH (rhGH) therapy has not been reported. At 10 months of age, the patient was admitted to our hospital due to growth failure. Blood and urinary biochemical abnormalities, such as hypophosphatemia, metabolic acidosis, glycosuria and low-molecular-weight proteinuria, indicated a generalized dysfunction of the renal proximal tubules. The presence of cystinosis, collagen diseases, toxic agents and metabolic diseases were excluded. These features are compatible with idiopathic FS. Treatment with high-dose alkali, potassium citrate, phosphate buffer, hydrochlorothiazide and vitamin D supplement was initiated. The biochemical abnormalities achieved nearly normal values, and the patient's height was within -2.5 SD at the age of 2 years. However, his height did not continue to increase at the same rate and gradually declined to -2.9 SD at 4 years of age. GH stimulation test demonstrated GHD. After initiation of rhGH therapy, his height improved to -2.0 SD at the age of 9 years with no adverse effects. In conclusion, we report the case of a patient with FS and GHD who continued rhGH therapy for 5 years. The differential diagnosis of GHD should also be considered for FS patients with short stature.
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P19.01 Kampo therapy(Japanese traditional herbal medicine)for peripheral neuropathy complicated with anti-cancer chemotherapy. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Inter-rater and intra-rater reliability outcomes of a rapid bacteria counting system with pressure ulcer samples. J Wound Care 2017; 26:S27-S31. [DOI: 10.12968/jowc.2017.26.sup2.s27] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Predictive Factors Associated with Oral Intake Ability in Gastrostomy Patients Under Long-Term Care. J Nutr Health Aging 2017; 21:715-720. [PMID: 28537338 DOI: 10.1007/s12603-016-0796-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To determine the physical indicators associated with oral intake status and swallowing function in gastrostomy patients under long-term care. DESIGN Cross-sectional study. SETTING Thirty-one hospitals that perform gastrostomy insertion, replacement and management. PARTICIPANTS A total of 117 respondents from 31 hospitals in Japan underwent gastrostomy tube replacement and management between September 2012 and January 2014. Each participant underwent a gastrostomy at least 6 months prior to the study, and received long-term care either at home, a care facility, or a hospital. MEASUREMENTS We conducted a questionnaire survey at Japanese hospitals and used the data obtained from 117 respondents for analysis. The survey was conducted using a questionnaire form that collected information about the following items: oral intake status, sex, age, disease history, number of days elapsed since gastrostomy, residence status, modified Rankin Scale score, consciousness, oral hygiene status, articulation and phonation, voluntary saliva swallow, Modified Water Swallow Test, and Food Test. RESULTS Results revealed significant differences in modified Rankin Scale scores, sputum production, articulation and phonation, and voluntary saliva swallowing between patients who were orally fed and those who were not. Moreover, sputum production and voluntary saliva swallowing were strongly associated with oral intake status. Finally, sputum production, articulation and phonation, and voluntary saliva swallowing were strongly associated with swallowing function test results. CONCLUSION Results from this study suggested that sputum production, articulation and phonation, and voluntary saliva swallowing could be used as indicators for estimating oral intake status and swallowing function in gastrostomy patients under long-term care.
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Publisher's Note: Search for Majorana Neutrinos Near the Inverted Mass Hierarchy Region with KamLAND-Zen [Phys. Rev. Lett. 117, 082503 (2016)]. PHYSICAL REVIEW LETTERS 2016; 117:109903. [PMID: 27636501 DOI: 10.1103/physrevlett.117.109903] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Indexed: 06/06/2023]
Abstract
This corrects the article DOI: 10.1103/PhysRevLett.117.082503.
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Search for Majorana Neutrinos Near the Inverted Mass Hierarchy Region with KamLAND-Zen. PHYSICAL REVIEW LETTERS 2016; 117:082503. [PMID: 27588852 DOI: 10.1103/physrevlett.117.082503] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Indexed: 06/06/2023]
Abstract
We present an improved search for neutrinoless double-beta (0νββ) decay of ^{136}Xe in the KamLAND-Zen experiment. Owing to purification of the xenon-loaded liquid scintillator, we achieved a significant reduction of the ^{110m}Ag contaminant identified in previous searches. Combining the results from the first and second phase, we obtain a lower limit for the 0νββ decay half-life of T_{1/2}^{0ν}>1.07×10^{26} yr at 90% C.L., an almost sixfold improvement over previous limits. Using commonly adopted nuclear matrix element calculations, the corresponding upper limits on the effective Majorana neutrino mass are in the range 61-165 meV. For the most optimistic nuclear matrix elements, this limit reaches the bottom of the quasidegenerate neutrino mass region.
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Use of smartphone attached mobile thermography assessing subclinical inflammation: a pilot study. J Wound Care 2016; 25:177-80, 182. [PMID: 27064366 DOI: 10.12968/jowc.2016.25.4.177] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To verify the reliability and validity of FLIR ONE, a device connected to a smartphone, for the assessment of inflammation based on relative temperature increase compared with the thermography routinely used in pressure ulcer (PU) and diabetic foot assessment. METHOD Participants in this pilot cross-sectional observational study were recruited from the patients in the PU team rounds and the diabetic foot outpatient clinic at the university hospital in January 2015. Cohen's kappa coefficient with its 95% confidence intervals was used to evaluate the criterion-related validity and inter- and intra-rater reliability for the thermal imaging assessment. For assessing criterion-related validity, a hand-held high-end infrared thermography device was used to provide reference data. Comparison of thermal images between the smartphone-connected device and the hand-held device was performed with both a 'predetermined range' and an 'automatically-set range.' For assessing inter-rater reliability, two assessors evaluated the thermal images taken by the mobile thermography. For assessing intra-rater reliability, one assessor evaluated the thermal images twice. The thermal images were shown to the assessors at random. RESULTS Among 16 thermal images obtained from eight patients, kappa coefficients for each value were as follows: for the predetermined range and automatically-set range, respectively, the criterion-related validity was 1.00 (95% confidence interval 1.00-1.00) and 1.00 (95% confidence interval 1.00-1.00); the inter-rater reliability was 1.00 (95% confidence interval 1.00-1.00) and 1.00 (95% confidence interval 1.00-1.00); and the intra-rater reliability was 1.00 (95% confidence interval 1.00-1.00) and 1.00 (95% confidence interval 1.00-1.00). CONCLUSION This pilot study suggests that FLIR ONE can work as an alternative device for assessing subclinical inflammation in PUs and the diabetic foot in clinical settings. Our results may facilitate clinicians in accepting the routine use of thermal imaging assessment at the patients' bedside.
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Up-Regulation of CD74 Expression in Parietal Epithelial Cells in a Mouse Model of Focal Segmental Glomerulosclerosis. Nephron Clin Pract 2016; 134:238-252. [PMID: 27463800 DOI: 10.1159/000448221] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 07/04/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS De novo expression of CD44 is considered as a marker of parietal epithelial cell (PEC) activation. The aim of our study was to explore CD74 expression, which can form a complex with CD44, in PECs during the progression of focal segmental glomerulosclerosis (FSGS). To clarify the role of CD74 expression and of its interaction with CD44, we generated a new mouse model with enhanced PEC activation through lipopolysaccharide (LPS) application to adriamycin (ADR)-induced nephropathy mice (LPS-treated ADR mice). METHODS As a new model, LPS was intraperitoneally injected into the mice 3 weeks after ADR injection. The mice were divided into 3 categories: control mice, ADR mice and LPS-treated ADR mice. Renal function parameters, histologic changes and immunohistochemical expression of CD74 and other PEC activation markers were analyzed after LPS application. RESULTS After LPS stimulation, the glomeruli were characterized by enlarged epithelial cells with strong CD74 expression, followed by pseudo-crescent formation. By double staining, CD74-positive enlarged cells showed co-expression of classical PEC markers, but not of Lotus tetragonolobus lectin (marker of proximal tubular cells), suggesting amplification of PEC activation. Time-course analysis displayed marked upregulation of CD74 expression during rapid PEC activation compared with CD44. Additionally, the time-dependent change in ERK phosphorylation showed a similar pattern to CD74. CONCLUSION Our results indicate that CD74 can be a marker for PEC activation in FSGS. By modifying the ADR mouse model through LPS treatment, we found that CD74 upregulation better reflects a rapid amplification of PEC activation than CD44 expression.
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EP-1258: Concurrent high-dose (60-70 Gy) radiation and chemotherapy for esophageal cancer: long-term results. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)32508-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cytological findings of an ectopic pancreas of the stomach obtained at endoscopic ultrasound-guided fine needle aspiration, differential diagnosis from acinar cell carcinoma: a case report. Cytopathology 2016; 27:379-81. [PMID: 26786071 DOI: 10.1111/cyt.12302] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2015] [Indexed: 12/12/2022]
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Clinical Results of Stereotactic Body Radiation Therapy (SBRT) for Stage IB (T2aN0M0) Non-Small Cell Lung Cancer (NSCLC). Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Definitive Concurrent Chemotherapy and High Dose (60-70Gy) Radiation Therapy for Esophageal Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.882] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Indocyanine Green Lymphography Findings in Primary Leg Lymphedema. Eur J Vasc Endovasc Surg 2015; 49:95-102. [PMID: 25488514 DOI: 10.1016/j.ejvs.2014.10.023] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 10/29/2014] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Indocyanine green (ICG) lymphography has been reported to be useful for the evaluation of secondary lymphedema, but no study has reported characteristic findings of ICG lymphography in primary lymphedema. This study aimed to classify characteristic ICG lymphography patterns in primary lymphedema. METHODS The study was a retrospective observational study. Thirty one primary lower extremity lymphedema (LEL) patients with a total of 62 legs were studied. ICG lymphography patterns were categorized according to the visibility of lymphatics and dermal backflow (DB) extension. Clinical demographics were compared with categorized ICG lymphography patterns. RESULTS All symptomatic legs showed abnormal patterns, and all asymptomatic legs showed normal patterns on ICG lymphography. Abnormal lymphographic patterns could be classified into proximal DB (PDB), distal DB (DDB), less enhancement (LE), and no enhancement (NE) patterns. There were significant differences between PDB (16 patients), DDB (6 patients), LE (4 patients), and NE patterns (5 patients) in age (37.3 ± 18.3 vs. 61.8 ± 19.2 vs. 50.8 ± 27.7 vs. 29.2 ± 18.0 years, p = .035), onset of edema (23.9 ± 19.4 vs. 46.8 ± 27.0 vs. 43.0 ± 31.3 vs. 6.6 ± 14.2 years, p = .020), laterality (bilateral; 18.8% vs. 66.7% vs. 75.0% vs. 0%, p ¼ .016), cellulitis history(56.3% vs. 100% vs. 25.0% vs. 0%, p ¼ .007), and LEL index (292.2 ± 32.8 vs. 254.2 ± 28.6 vs. 243.3 ± 9.4 vs. 295.2 ± 44.8, p = .016). CONCLUSIONS ICG lymphography findings in primary lymphedema could be classified into four patterns withdifferent patient characteristics.
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Calcium-dependent intracellular signal pathways in primary cultured adipocytes and ANK3 gene variation in patients with bipolar disorder and healthy controls. Mol Psychiatry 2015; 20:931-40. [PMID: 25311363 PMCID: PMC4759096 DOI: 10.1038/mp.2014.104] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 06/11/2014] [Accepted: 07/23/2014] [Indexed: 02/08/2023]
Abstract
Bipolar disorder (BD) is a chronic psychiatric disorder of public health importance affecting >1% of the Swedish population. Despite progress, patients still suffer from chronic mood switches with potential severe consequences. Thus, early detection, diagnosis and initiation of correct treatment are critical. Cultured adipocytes from 35 patients with BD and 38 healthy controls were analysed using signal pathway reporter assays, that is, protein kinase C (PKC), protein kinase A (PKA), mitogen-activated protein kinases (extracellular signal-regulated kinase (ERK) and c-Jun N-terminal kinase (JNK)), Myc, Wnt and p53. The levels of activated target transcriptional factors were measured in adipocytes before and after stimulation with lithium and escitalopram. Variations were analysed in the loci of 25 different single-nucleotide polymorphisms (SNPs). Activation of intracellular signals in several pathways analysed were significantly higher in patients than in healthy controls upon drug stimulation, especially with escitalopram stimulation of PKC, JNK and Myc, as well as lithium-stimulated PKC, whereas no meaningful difference was observed before stimulation. Univariate analyses of contingency tables for 80 categorical SNP results versus diagnoses showed a significant link with the ANK3 gene (rs10761482; likelihood ratio χ(2)=4.63; P=0.031). In a multivariate ordinal logistic fit for diagnosis, a backward stepwise procedure selected ANK3 as the remaining significant predictor. Comparison of the escitalopram-stimulated PKC activity and the ANK3 genotype showed them to add their share of the diagnostic variance, with no interaction (15% of variance explained, P<0.002). The study is cross-sectional with no longitudinal follow-up. Cohorts are relatively small with no medication-free patients, and there are no 'ill patient' controls. It takes 3 to 4 weeks of culture to expand adipocytes that may change epigenetic profiles but remove the possibility of medication effects. Abnormalities in the reactivity of intracellular signal pathways to stimulation and the ANK3 genotype may be associated with pathogenesis of BD. Algorithms using biological patterns such as pathway reactivity together with structural genetic SNP data may provide opportunities for earlier detection and effective treatment of BD.
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Poster session 3: Thursday 4 December 2014, 14:00-18:00 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2014. [DOI: 10.1093/ehjci/jeu253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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MODERATED POSTER SESSION: New imaging techniques in classical scenarios: Saturday 6 December 2014, 08:30-12:30 * Location: Moderated Poster area. Eur Heart J Cardiovasc Imaging 2014. [DOI: 10.1093/ehjci/jeu266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Li4Ti5O12 thin-film electrodes by in-situ synthesis of lithium alkoxide for Li-ion microbatteries. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.10.054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Proteinuria and glomerular hypertrophy in extremely low-birthweight children. Pediatr Int 2014; 56:860-864. [PMID: 25091266 DOI: 10.1111/ped.12466] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/09/2014] [Accepted: 05/01/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND Of late, there is an increased awareness of the frequent occurrence of hypertension or proteinuria in adults born at low birthweight. METHODS We retrospectively studied five children born with extremely low birthweight (ELBW) who were first diagnosed with proteinuria in a school urinary screening program. RESULTS These children were born at 23-25 weeks of gestation, and their birthweight was 532-732 g. Proteinuria was identified in all the subjects in a school urinary screening program when they were 6-15 years old. Renal biopsy showed diffuse increase in glomerular size, consistent with glomerular hypertrophy. There were no findings of mesangial proliferation or glomerular sclerosis. All the subjects had a marked decrease in proteinuria after angiotensin receptor blocker (ARB) treatment. CONCLUSION Reduced number of glomeruli associated with prematurity was speculated to have caused compensatory glomerular hyperfiltration, hypertrophy, and hypertension in children born with ELBW when they developed proteinuria. ARB could have been effective for proteinuria by reducing glomerular hypertension. Physicians should be aware of proteinuria in children born with ELBW because there is an increasing number of ELBW survivors as a result of advances in medical technology.
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TLX activates MMP-2, promotes self-renewal of tumor spheres in neuroblastoma and correlates with poor patient survival. Cell Death Dis 2014; 5:e1502. [PMID: 25356871 PMCID: PMC4237266 DOI: 10.1038/cddis.2014.449] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 08/07/2014] [Accepted: 08/14/2014] [Indexed: 12/23/2022]
Abstract
Nuclear orphan receptor TLX (Drosophilatailless homolog) is essential for the maintenance of neural stem/progenitor cell self-renewal, but its role in neuroblastoma (NB) is not well understood. Here, we show that TLX is essential for the formation of tumor spheres in three different NB cell lines, when grown in neural stem cell media. We demonstrate that the knock down of TLX in IMR-32 cells diminishes its tumor sphere-forming capacity. In tumor spheres, TLX is coexpressed with the neural progenitor markers Nestin, CD133 and Oct-4. In addition, TLX is coexpressed with the migratory neural progenitor markers CD15 and matrix metalloproteinase-2 (MMP-2) in xenografts of primary NB cells from patients. Subsequently, we show the effect of TLX on the proliferative, invasive and migratory properties of IMR-32 cells. We attribute this to the recruitment of TLX to both MMP-2 and Oct-4 gene promoters, which resulted in the respective gene activation. In support of our findings, we found that TLX expression was high in NB patient tissues when compared with normal peripheral nervous system tissues. Further, the Kaplan–Meier estimator indicated a negative correlation between TLX expression and survival in 88 NB patients. Therefore, our results point at TLX being a crucial player in progression of NB, by promoting self-renewal of NB tumor-initiating cells and altering their migratory and invasive properties.
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P13.14 * PROPHYLACTIC USE OF SHIUNKO IN THE PREVENTION OF RADIATION-INDUCED SCALP DERMATITIS: A PRELIMINARY REPORT. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Study on the Optimal Field Width in Helical Tomotherapy With the New Dynamic Jaws Technology for Small Metastatic Brain Tumors. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Efficacy of the Dynamic Jaw Mode in Helical Tomotherapy With Static Ports for Breast Cancer. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Awareness survey on clinical application of uterine transplantation among general public. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.1022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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