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https://www.readbyqxmd.com/read/27931583/acute-graft-vs-host-disease-after-liver-transplantation-experience-at-a-high-volume-liver-transplantation-center-in-korea
#1
W H Kang, S Hwang, G W Song, D H Jung, G C Park, C S Ahn, D B Moon, K H Kim, T Y Ha, W J Kim, S H Kim, H D Cho, J H Kwon, E K Jwa, S G Lee
BACKGROUND: Acute graft-vs-host disease (GVHD) is a rare but life-threatening complication of orthotopic liver transplantation (OLT). We present 6 cases of GVHD after OLT. METHODS: Among our 4294 OLT recipients, we identified 6 patients (0.14%) who were diagnosed with GVHD. Their medical records were reviewed retrospectively. RESULTS: Liver graft types included deceased donor whole liver graft (n = 3) and right liver graft from son (n = 3)...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931264/centrifugal-gravity-induced-bmp4-induces-chondrogenic-differentiation-of-adipose-derived-stem-cells-via-sox9-upregulation
#2
Yeonsue Jang, Hyerin Jung, Yoojun Nam, Yeri Alice Rim, Juryun Kim, Sang Hoon Jeong, Ji Hyeon Ju
BACKGROUND: Cartilage does not have the capability to regenerate itself. Therefore, stem cell transplantation is a promising therapeutic approach for impaired cartilage. For stem cell transplantation, in vitro enrichment is required; however, stem cells not only become senescent but also lose their differentiation potency during this process. In addition, cytokines are normally used for chondrogenic differentiation induction of stem cells, which is highly expensive and needs an additional step to culture...
December 8, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27930655/effect-of-immunosuppressive-drugs-on-the-changes-of-serum-galactose-deficient-iga1-in-patients-with-iga-nephropathy
#3
Min Jeong Kim, Stefan Schaub, Karen Molyneux, Michael T Koller, Susanne Stampf, Jonathan Barratt
Galactose-deficient IgA1 (Gd-IgA1) and IgA-IgG complexes are known to play an important role in the pathogenesis of IgA nephropathy (IgAN). We aimed therefore to determine the impact of immunosuppression on the serum levels of Gd-IgA1, total IgA1 and IgA-IgG complexes in IgAN patients. In a retrospective study, serum samples from IgAN patients collected before transplantation (t0) and at 3- and 6-month posttransplant (t3 & t6) were used to measure the levels of Gd-IgA1, total IgA1 and IgA-IgG complexes. The area under the curves (AUC) of immunosuppressants was calculated by the plot of plasma trough level or dosage of each immunosuppressant versus time and was interpreted as the extent of drug exposure...
2016: PloS One
https://www.readbyqxmd.com/read/27930598/the-anhepatic-phase-extended-by-temporary-portocaval-shunt-does-not-affect-anesthetic-sensitivity-and-postoperative-cognitive-function-a-case-control-study
#4
Young Gon Son, Sung Hye Byun, Jong Hae Kim
Temporary portocaval shunt (TPCS) prolongs the duration of the anhepatic phase, during which anesthetic sensitivity is highest among the 3 phases of living donor liver transplantation (LDLT). Cognitive dysfunction has been associated with increased anesthetic sensitivity and poor hepatic function. Therefore, we assessed anesthetic sensitivity to desflurane and perioperative cognitive function in patients undergoing LDLT, in whom the duration of the anhepatic phase was extended by TPCS to test the hypothesis that the prolonged anhepatic phase increases anesthetic sensitivity and causes postoperative cognitive decline...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27923805/prognostic-impact-of-the-timing-of-recurrence-of-infarct-related-ventricular-tachycardia-after-catheter-ablation
#5
Konstantinos C Siontis, Hyungjin Myra Kim, William G Stevenson, Akira Fujii, Paolo Della Bella, Pasquale Vergara, Kalyanam Shivkumar, Roderick Tung, Duc H Do, Emile G Daoud, Toshimasa Okabe, Katja Zeppenfeld, Marta de Riva Silva, Gerhard Hindricks, Arash Arya, Alexander Weber, Karl-Heinz Kuck, Andreas Metzner, Shibu Mathew, Johannes Riedl, Miki Yokokawa, Krit Jongnarangsin, Rakesh Latchamsetty, Fred Morady, Frank M Bogun
BACKGROUND: Recurrence of ventricular tachycardia (VT) after ablation in patients with previous myocardial infarction is associated with adverse prognosis. However, the impact of the timing of VT recurrence on outcomes is unclear. METHODS AND RESULTS: We analyzed data from a multicenter collaborative database of patients who underwent catheter ablation for infarct-related VT. Multivariable Cox regression analyses investigated the effect of the timing of VT recurrence on the composite outcome of death or heart transplantation using VT recurrence as a time-varying covariate...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27922918/real-time-fatigue-and-free-living-physical-activity-in-hematopoietic-stem-cell-transplantation-cancer-survivors-and-healthy-controls-a-preliminary-examination-of-the-temporal-dynamic-relationship
#6
Eileen Danaher Hacker, Inah Kim, Chang Park, Tara Peters
BACKGROUND: Fatigue and physical inactivity, critical problems facing cancer survivors, impact overall health and functioning. Our group designed a novel methodology to evaluate the temporal, dynamic patterns in real-world settings. OBJECTIVE: Using real-time technology, the temporal, dynamic relationship between real-time fatigue and free-living is described and compared in cancer survivors who were treated with hematopoietic stem cell transplantation (n = 25) and age- and gender-matched healthy controls (n = 25)...
December 5, 2016: Cancer Nursing
https://www.readbyqxmd.com/read/27909629/stereotactic-body-radiotherapy-for-hepatocellular-carcinoma-resulting-in-a-durable-relapse-free-survival-a-case-report
#7
Samual Francis, Ned Williams, Christopher J Anker, Akram Shaaban, Robin Kim, Dennis Shrieve, Jonathan Tward
The standard of care for localized hepatocellular carcinoma (HCC) is surgical resection. For patients who decline or who are unfit for surgery, stereotactic body radiotherapy (SBRT) is emerging as a viable treatment approach. We present a case of a 77-year-old female in whom an early stage HCC was incidentally discovered. Given her religious edicts as a devout Jehovah's Witness and her subsequent desire to avoid a blood transfusion, she declined surgical resection or transplant due to the risk of hemorrhage...
October 24, 2016: Curēus
https://www.readbyqxmd.com/read/27900445/bridging-locoregional-therapy-prolongs-survival-in-patients-listed-for-liver-transplant-with-hepatocellular-carcinoma
#8
Minzhi Xing, Sonali Sakaria, Renumathy Dhanasekaran, Samir Parekh, James Spivey, Stuart J Knechtle, Di Zhang, Hyun S Kim
BACKGROUND AND AIMS: To evaluate the long-term survival benefit of bridging locoregional therapy (LRT) prior to orthotopic liver transplantation (OLT) in patients with hepatocellular carcinoma (HCC) within Milan criteria. METHODS: Our transplant center registry was studied for all HCC patients within the Milan criteria who were listed for OLT from 1998 to 2013. Baseline clinical characteristics and median overall survival (OS) were calculated and stratified by LRT, OLT status, and wait times...
November 29, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27900346/preclinical-development-and-qualification-of-zfn-mediated-ccr5-disruption-in-human-hematopoietic-stem-progenitor-cells
#9
David L DiGiusto, Paula M Cannon, Michael C Holmes, Lijing Li, Anitha Rao, Jianbin Wang, Gary Lee, Philip D Gregory, Kenneth A Kim, Samuel B Hayward, Kathleen Meyer, Colin Exline, Evan Lopez, Jill Henley, Nancy Gonzalez, Victoria Bedell, Rodica Stan, John A Zaia
Gene therapy for HIV-1 infection is a promising alternative to lifelong combination antiviral drug treatment. Chemokine receptor 5 (CCR5) is the coreceptor required for R5-tropic HIV-1 infection of human cells. Deletion of CCR5 renders cells resistant to R5-tropic HIV-1 infection, and the potential for cure has been shown through allogeneic stem cell transplantation with naturally occurring homozygous deletion of CCR5 in donor hematopoietic stem/progenitor cells (HSPC). The requirement for HLA-matched HSPC bearing homozygous CCR5 deletions prohibits widespread application of this approach...
2016: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/27893614/the-presence-of-pretransplant-hla-antibodies-does-not-impact-the-development-of-chronic-lung-allograft-dysfunction-or-clad-related-death
#10
Oscar E Zazueta, Sara E Preston, Anna Moniodis, Sabrina Fried, Miae Kim, Keri Townsend, Isabelle Wood, Steve Boukedes, Indira Guleria, Phillip Camp, Souheil El-Chemaly, Ivan O Rosas, Anil Chandraker, Edgar Milford, Hilary J Goldberg
BACKGROUND: Development of Donor-specific Antibodies (DSA) after lung transplantation is associated with antibody mediated rejection (AMR), acute cellular rejection, and bronchiolitis obliterans syndrome (BOS); however, the significance of circulating antibodies before transplant remains unclear. METHODS: We performed a retrospective cohort study including recipients of primary lung transplants between 2008 and 2012.We assessed the impact of circulating human leukocyte (HLA) and noncytotoxic Donor Specific antibodies (DSA) detected before transplant on development of Chronic Lung Allograft Dysfunction (CLAD) or CLAD related death...
November 23, 2016: Transplantation
https://www.readbyqxmd.com/read/27892952/dynamic-prognostic-value-of-the-revised-international-prognostic-scoring-system-following-pretransplant-hypomethylating-treatment-in-myelodysplastic-syndrome
#11
S-A Yahng, Y-W Jeon, J-H Yoon, S-H Shin, S-E Lee, Y-S Choi, D-Y Kim, J-H Lee, B-S Cho, K-S Eom, S Lee, C-K Min, H-J Kim, J-W Lee, K-H Lee, W-S Min, J-H Lee, Y-J Kim
This study aimed to analyze the use of the revised International Prognostic Scoring System (IPSS-R) assessed after hypomethylating treatment (HMT) for patients with myelodysplastic syndrome (MDS) undergoing an allogeneic stem cell transplantation (SCT). Among 115 patients who received pre-SCT HMT, comparison analysis of the prognostic values between the IPSS-R at the time of HMT (IPSS-R@HMT) and at the time of SCT after HMT (IPSS-R@SCT) showed a significantly higher predictive power for overall survival (OS) of the latter...
November 28, 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27892749/high-non-relapse-mortality-and-low-relapse-incidence-in-gender-mismatched-allogeneic-hematopoietic-stem-cell-transplantation-from-a-parous-female-donor-with-a-male-child
#12
Akihito Shinohara, Yoshihiro Inamoto, Saiko Kurosawa, Nobuhiro Hiramoto, Ryosuke Ueda, Takashi Tanaka, Kohei Tada, Yujin Kobayashi, Noriyuki Morikawa, Keiji Okinaka, Sung-Won Kim, Kinuko Tajima, Takahiro Fukuda
To clarify the influence of exposure to a male fetus during a female donor's (FD) pregnancy in allogeneic hematopoietic stem cell transplantation (HSCT), we retrospectively examined 292 HSCT patients. The 5-year non-relapse mortality (NRM) was 33.5% among 31 male recipients who had HSCT from FD with a male child (MC), 23.0% among 40 male recipients who had HSCT from FD without MC and 19.6% among 221 other recipients. The 5-year relapse incidence (RI) was 22.6%, 42.0%, and 43.1% for the respective group. In multivariate analysis, male recipients who had HSCT from FD with MC had an increased risk of NRM (hazard ratio [HR] 1...
November 28, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27890929/extended-time-lapse-in-vivo-imaging-of-tibia-bone-marrow-to-visualize-dynamic-hematopoietic-stem-cell-engraftment
#13
S Kim, L Lin, G A J Brown, K Hosaka, E W Scott
Homing, engraftment and proliferation of hematopoietic stem/progenitor cell (HSC/HPCs) are crucial steps required for success of a bone marrow transplant. Observation of these critical events is limited by the opaque nature of bone. Here we demonstrate how individual HSCs engraft in long bones by thinning one side of the tibia for direct and unbiased observation. Intravital imaging enabled detailed visualization of single Sca-1(+), c-Kit(+), Lineage(-) (SKL) cell migration to bone marrow niches and subsequent proliferation to reconstitute hematopoiesis...
November 28, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27881869/netrin-1-induced-stem-cell-bioactivity-contributes-to-the-regeneration-of-injured-tissues-via-the-lipid-raft-dependent-integrin-%C3%AE-6%C3%AE-4-signaling-pathway
#14
Soo Sang Lee, Sei-Jung Lee, Sang Hun Lee, Jung Min Ryu, Hyeon Su Lim, Jun Sung Kim, Eun Ju Song, Young Hyun Jung, Hyun Jik Lee, Chung Hun Kim, Ho Jae Han
Netrin-1 (Ntn-1) is a multifunctional neuronal signaling molecule; however, its physiological significance, which improves the tissue-regeneration capacity of stem cells, has not been characterized. In the present study, we investigate the mechanism by which Ntn-1 promotes the proliferation of hUCB-MSCs with regard to the regeneration of injured tissues. We found that Ntn-1 induces the proliferation of hUCB-MSCs mainly via Inα6β4 coupled with c-Src. Ntn-1 induced the recruitment of NADPH oxidases and Rac1 into membrane lipid rafts to facilitate ROS production...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27879222/an-integration-free-virus-free-rhesus-macaque-induced-pluripotent-stem-cell-line-ripsc89-from-embryonic-fibroblasts
#15
Enrique Sosa, Rachel Kim, Ernesto J Rojas, Linzi Hosohama, Jon D Hennebold, Kyle E Orwig, Amander T Clark
We generated a rhesus macaque induced pluripotent stem cell (riPSC) line, riPSC89, from rhesus embryonic fibroblasts (REFs). Fibroblasts were expanded from the skin of a rhesus macaque embryo at embryonic day 47. REFs and riPSCs had a normal male (42, XY) karyotype. The riPSC89 line was positive for markers of self-renewal including OCT4, NANOG, TRA-1-81 and SSEA4. Pluripotency was demonstrated through the generation of teratomas using transplantation into immunocompromised mice. The riPSC89 line may be a useful non-human primate resource to uncover developmental origins of disease, or used as a basic model to understand lineage specification in the primate embryo...
September 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27877076/cardiomyogenic-differentiation-of-human-dental-follicle-derived-stem-cells-by-suberoylanilide-hydroxamic-acid-and-their-in-vivo-homing-property
#16
Iel-Yong Sung, Han-Na Son, Imran Ullah, Dinesh Bharti, Ju-Mi Park, Yeong-Cheol Cho, June-Ho Byun, Young-Hoon Kang, Su-Jin Sung, Jong-Woo Kim, Gyu-Jin Rho, Bong-Wook Park
The purpose of the present study was to investigate the in vitro cardiomyogenic differentiation potential of human dental follicle-derived stem cells (DFCs) under the influence of suberoylanilide hydroxamic acid (SAHA), a member of the histone deacetylase inhibitor family, and analyze the in vivo homing capacity of induced cardiomyocytes (iCMs) when transplanted systemically. DFCs from extracted wisdom teeth showed mesenchymal stem cell (MSC) characteristics such as plate adherent growing, expression of MSC markers (CD44, CD90, and CD105), and mesenchymal lineage-specific differentiation potential...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27873516/cyclosporine-sparing-effect-of-enteric-coated-mycophenolate-sodium-in-de-novo-kidney-transplantation
#17
Su Hyung Lee, Jae Berm Park, Chang Kwon Oh, Myoung Soo Kim, Sung Joo Kim, Jongwon Ha
PURPOSE: The increased tolerability of enteric-coated mycophenolate sodium (EC-MPS), compared to mycophenolate mofetil, among kidney transplant recipients has the potential to facilitate cyclosporine (CsA) minimization. Therefore, a prospective trial to determine the optimum EC-MPS dose in CsA-based immunosuppression regimens is necessary. MATERIALS AND METHODS: A comparative, parallel, randomized, open-label study was performed for 140 patients from four centers to compare the efficacy and tolerability of low dose CsA with standard dose EC-MPS (the investigational group) versus standard dose CsA with low dose EC-MPS (the control group) for six months in de novo kidney transplant recipients...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27866205/disparities-in-kidney-transplantation-access-among-korean-patients-initiating-dialysis-a-population-based-cohort-study-using-national-health-insurance-data-2003-2013
#18
Young Choi, Jaeyong Shin, Jung Tak Park, Kyoung Hee Cho, Eun-Cheol Park, Tae Hyun Kim
BACKGROUND: The socioeconomic status of a person has an impact on his or her access to kidney transplantation as has been reported in western countries. This study examined the association between income level and kidney transplantation among chronic kidney disease patients undergoing dialysis in South Korea. METHODS: We analyzed data from 1,792 chronic kidney disease patients undergoing dialysis and listed in the Korean National Health Insurance Claim Database (2003-2013)...
November 19, 2016: American Journal of Nephrology
https://www.readbyqxmd.com/read/27861383/living-donor-renal-transplantation-in-patients-with-antiphospholipid-syndrome-a-case-report
#19
Ji Yoon Choi, Joo Hee Jung, Sung Shin, Young Hoon Kim, Duck Jong Han
INTRODUCTION: Antiphospholipid syndrome (APS), autoantibodies directed against phospholipid-binding proteins are associated with cause vascular thrombosis. Patients with APS requiring renal transplantation are at risk of early graft loss due to arterial or venous thrombosis, or thrombotic microangiopathy (TMA). Here, we report 3 cases of successful renal transplantation in patients with APS. CLINICAL FINDINGS: A 53-year-old man with end-stage renal disease (ESRD) had experienced bilateral deep venous thrombosis (DVT) in the lower extremities 16 years ago and was administered warfarin...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27861381/liver-graft-hyperperfusion-in-the-early-postoperative-period-promotes-hepatic-regeneration-2-weeks-after-living-donor-liver-transplantation-a-prospective-observational-cohort-study
#20
Sung Hye Byun, Hae Soo Yang, Jong Hae Kim
Hepatic regeneration is essential to meet the metabolic demands of partial liver grafts following living donor liver transplantation (LDLT). Hepatic regeneration is promoted by portal hyperperfusion of partial grafts, which produces shear stress on the sinusoidal endothelium. Hepatic regeneration is difficult to assess within the first 2 weeks after LDLT as the size of liver graft could be overestimated in the presence of postsurgical graft edema. In this study, we evaluated the effects of graft hyperperfusion on the rate of hepatic regeneration 2 weeks after LDLT by measuring hepatic hemodynamic parameters...
November 2016: Medicine (Baltimore)
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