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https://www.readbyqxmd.com/read/28642591/donor-and-recipient-age-gender-and-abo-incompatibility-regardless-of-donor-source-validated-criteria-for-donor-selection-for-hematopoietic-transplants
#1
Y Wang, D-P Wu, Q-F Liu, L-P Xu, K-Y Liu, X-H Zhang, Y Xu, F Huang, X-J Huang
Prior data indicate similar outcomes after transplants from HLA-haplotype-matched relatives, HLA-identical siblings and HLA-matched unrelated donors. We used our prospective dataset to answer a clinically important question: who is the best donor for a person with acute leukemia transplanted in 1st complete remission. Patients were randomly divided into training (n=611) and validation (n=588) sets. 1199 consecutive subjects received a transplant from an HLA-haplotype-matched relative using granulocyte colony-stimulating factor (G-CSF) and anti-thymocyte globulin (ATG) (n=685) or an HLA-identical sibling (n=514); 3-year leukaemia-free survivals (LFSs) were 75 and 74% (P=0...
June 23, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28641653/-risk-factors-and-therapeutic-outcome-of-intestinal-acute-graft-versus-host-disease-in-acute-leukemia-patients-after-haploidentical-peripheral-hematopoietic-stem-cell-transplantation
#2
Xiao-Ning Wang, Chun-Hong Sun, Cai-Li Guo, Jian-Na Yao, Shi-Huan Qi, Xin Liu, Jie-Ying Xi, Meng-Chang Wang, Peng-Cheng He, Mei Zhang
OBJECTIVE: To investigate the risk factors and therapeutic outcome of acute graft versus host disease (aGVHD) in patients with acute leukemia after haploidentical peripheral hematopoietic stem cell transplantation. METHODS: The clinical data of 19 cases of acute leukemia underwent haploidentical hematopoietic stem cell transplanttion during January 2010 and December 2010 were retrospectively analyzed. The effects of patients sex, donor-recipient sex difference, donor age, conditioning regimen, dosage of anti-thymocyte globulin(ATG), mononuclear cell and CD34(+) cell counts on the intestinal aGVHD were analyzed by Logistic regression...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638438/real-time-monitoring-of-ptahmgb-activity-in-poplar-transactivation-assays
#3
José M Ramos-Sánchez, Paolo M Triozzi, Alicia Moreno-Cortés, Daniel Conde, Mariano Perales, Isabel Allona
BACKGROUND: Precise control of gene expression is essential to synchronize plant development with the environment. In perennial plants, transcriptional regulation remains poorly understood, mainly due to the long time required to perform functional studies. Transcriptional reporters based on luciferase have been useful to study circadian and diurnal regulation of gene expression, both by transcription factors and chromatin remodelers. The high mobility group proteins are considered transcriptional chaperones that also modify the chromatin architecture...
2017: Plant Methods
https://www.readbyqxmd.com/read/28633612/clinical-features-and-treatment-outcomes-in-large-granular-lymphocytic-leukemia-lgll
#4
Srinivasa R Sanikommu, Michael J Clemente, Peter Chomczynski, Manuel G Afable, Andres Jerez, Swapna Thota, Bhumika Patel, Cassandra Hirsch, Aziz Nazha, John Desamito, Alan Lichtin, Brad Pohlman, Mikkael A Sekeres, Tomas Radivoyevitch, Jaroslaw P Maciejewski
Large granular lymphocytic leukemia (LGLL) represents a clonal/oligoclonal lymphoproliferation of cytotoxic T and natural killer cells often associated with STAT3 mutations. When symptomatic, due to mostly anemia and neutropenia, therapy choices are often empirically-based, because only few clinical trials and systematic studies have been performed. Incorporating new molecular and flow cytometry parameters, we identified 204 patients fulfilling uniform criteria for LGLL diagnoses and analyzed clinical course with median follow-up of 36 months, including responses to treatments...
June 20, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28631643/multidrug-resistant-tuberculosis-detection-and-characterization-of-mutations-in-mycobacterium-tuberculosis-by-genotype-mtbdrplus
#5
Rajneesh Tripathi, Shampa Anupurba
Detection of drug resistance in Mycobacterium tuberculosis by conventional phenotypic drug susceptibility testing methods requires several weeks. Therefore, molecular diagnostic tests for rapid detection of multidrug resistance tuberculosis (MDR-TB) are urgently needed. Early diagnosis helps in initiating optimal treatment which would not only enable cure of an individual patient but also will curb the transmission of drug resistance in the community. Line probe assay (LPA) has shown great promises in the diagnosis of MDR-TB...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631420/expression-of-pten-long-mediated-by-crispr-cas9-can-repress-u87-cell-proliferation
#6
Na Fang, Tingxuan Gu, Yahui Wang, Shuzhen Wang, Fengling Wang, Yang An, Wenqiang Wei, Weijuan Zhang, Xiangqian Guo, Adil J Nazarali, Shaoping Ji
PTEN is a tumour suppressor that is frequently mutated in a variety of cancers. Hence, PTEN has significant potential as a therapeutic molecule. PTEN-long is an alternative translation variant, with an additional 173 amino acids added to the N-terminal of the canonical PTEN when CUG of the mRNA is utilized as the start codon. PTEN-long is secreted into serum and can re-enter cells throughout the body. One of the major barriers for gene therapy is to efficiently and specifically deliver DNA or RNA material to target cells...
June 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28627343/-study-on-the-role-of-autophagy-in-heme-oxygenase-1-preventing-hepatic-ischemia-reperfusion-injury-in-rats
#7
Sheng Lan, Jintai Li, Yi Liu
OBJECTIVE: To identify the role of autopahgy in the protective mechanism of heme oxygenase 1 (HO-1) against hepatic ischemia/reperfusion (I/R) injury. METHODS: Forty healthy male Sprague-Dawley (SD) rats were randomly (random number table) divided into five groups (n = 8 in each group), namely sham group, model group, cobalt protoporphyrin (CoPP) group, zinc protoporphyrin (ZnPP) group and 6-amino-3-methylpurine (3-MA) group. Partial hepatic I/R model was established by clamping the pedicles of left and median lobes for 1 hour and reopening for 6 hours in rats, and the rats in sham group were only received celiotomp without hepatic I/R...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28620953/molecular-characterisation-of-%C3%AE-and-%C3%AE-thalassaemia-among-indigenous-senoi-orang-asli-communities-in-peninsular-malaysia
#8
Danny Xuan Rong Koh, Raja Zahratul Azma Raja Sabudin, Malisa Mohd Yusoff, Noor Hamidah Hussin, Rahimah Ahmad, Ainoon Othman, Endom Ismail
Thalassaemia is a public health problem in Malaysia, with each ethnic group having their own common mutations. However, there is a lack on data on the prevalence and common mutations among the indigenous people. This cross-sectional study was performed to determine the common mutations of α- and β-thalassaemia among the subethnic groups of Senoi, the largest Orang Asli group in Peninsular Malaysia. Blood samples collected from six Senoi subethnic groups were analysed for full blood count and haemoglobin analysis (HbAn)...
June 16, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28615536/antagonistic-effects-of-lycopene-on-cadmium-induced-hippocampal-dysfunctions-in-autophagy-calcium-homeostatis-and-redox
#9
Fenghua Zhang, Suping Xing, Zongpeng Li
Cadmium (Cd), a widely existed environmental contaminant, was shown to trigger neurotoxicity by regulating autophagy, ion homeostasis and redox. Lycopene (LYC) is a natural substance with potent antioxidant capacity. Nevertheless, little is known about i) the relationship of Cd-induced neurotoxicity and autophagy, ion homeostasis as well as redox in the hippocampus; ii) the role of LYC in the regulation of hippocampal autophagy, ionic balance and antioxidant capacity during Cd exposure. Therefore, this study sought to investigate the Cd exposure-induced hippocampal dysfunctions for neurotoxicity, and the preventive potential of LYC on the hippocampus impairment by reversing the dysfunctions during the exposure...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28612279/prevalence-and-clinical-outcomes-of-hepatitis-b-virus-infection-in-patients-with-aplastic-anemia
#10
Pan Zhao, Qing Gao, Qiulian He, Jing Tan
The association of HBV infection with other hematopoietic diseases has been discussed previously. However, the clinical significance and clinical outcomes of HBV infection in AA patients have not been clarified. In this study, we sought to investigate the prevalence and related events of HBV in patients with AA who received immunosuppressive therapy. We retrospectively analyzed 245 patients with acquired AA. The HBsAg positivity rate was 14.69% in this group of AA patients. No significant difference was observed in the severity of AA patients with HBV infection and in those without (P = 0...
June 13, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28611250/translational-control-of-the-sigr-directed-oxidative-stress-response-in-streptomyces-via-if3-mediated-repression-of-a-noncanonical-gtc-start-codon
#11
Morgan A Feeney, Govind Chandra, Kim C Findlay, Mark S B Paget, Mark J Buttner
The major oxidative stress response in Streptomyces is controlled by the sigma factor SigR and its cognate antisigma factor RsrA, and SigR activity is tightly controlled through multiple mechanisms at both the transcriptional and posttranslational levels. Here we show that sigR has a highly unusual GTC start codon and that this leads to another level of SigR regulation, in which SigR translation is repressed by translation initiation factor 3 (IF3). Changing the GTC to a canonical start codon causes SigR to be overproduced relative to RsrA, resulting in unregulated and constitutive expression of the SigR regulon...
June 13, 2017: MBio
https://www.readbyqxmd.com/read/28608641/risk-factors-for-pneumocystis-pneumonia-after-the-first-6-months-following-renal-transplantation
#12
Emmanuel Faure, Arnaud Lionet, Eric Kipnis, Christian Noël, Marc Hazzan
Pneumocystis pneumonia (PCP) incidence was decreased in renal transplant thanks to prophylaxis, recommended during the first months after transplantation. However, many late PCP cases are observed after the first 6 months and recommendations to maintain or reintroduce prophylaxis are lacking. The objective of the study was to identify risk factors to guide the individual prescription of prophylaxis, 6 months after transplantation. Thirty-three late PCP cases were identified between 1995 and 2012 in Lille Hospital, France, and were compared to 72 randomized controls transplant recipients...
June 13, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28608264/the-small-heat-shock-protein-b8-hspb8-efficiently-removes-aggregating-species-of-dipeptides-produced-in-c9orf72-related-neurodegenerative-diseases
#13
Riccardo Cristofani, Valeria Crippa, Giulia Vezzoli, Paola Rusmini, Mariarita Galbiati, Maria Elena Cicardi, Marco Meroni, Veronica Ferrari, Barbara Tedesco, Margherita Piccolella, Elio Messi, Serena Carra, Angelo Poletti
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are two neurodegenerative diseases in which similar pathogenic mechanisms are involved. Both diseases associate to the high propensity of specific misfolded proteins, like TDP-43 or FUS, to mislocalize and aggregate. This is partly due to their intrinsic biophysical properties and partly as a consequence of failure of the neuronal protein quality control (PQC) system. Several familial ALS/FTD cases are linked to an expansion of a repeated G4C2 hexanucleotide sequence present in the C9ORF72 gene...
June 12, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28607912/immune-reconstitution-and-outcomes-after-conditioning-with-anti-thymocyte-globulin-in-unrelated-cord-blood-transplantation-the-good-the-bad-and-the-ugly
#14
REVIEW
Coco de Koning, Rick Admiraal, Stefan Nierkens, Jaap Jan Boelens
Unrelated umbilical cord blood transplantation (UCBT) exhibits a low risk of graft-versus-host-disease (GvHD) and has unique potent anti-virus and anti-leukemia effects. Anti-thymocyte globulin (ATG) in the conditioning regimen for UCBT is successful in reducing graft rejection and GvHD. Nevertheless, this beneficial effect of ATG coincides with its detrimental effect on immune reconstitution. The latter directly relates to a high incidence of viral infections and leukemia relapses. ATG has been used in transplant patients for over 30 years...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28607160/a-pria-mutant-expressed-in-two-pieces-has-almost-full-activity-in-e-coli-k-12
#15
Maxime Leroux, Niketa Jani, Steven J Sandler
The ability to restart broken DNA replication forks is essential across all domains of life. In Escherichia coli, the priA, priB, priC and dnaT genes encode the Replication Restart Proteins (RRPs) to accomplish this task. PriA plays a critical role in Replication Restart such that its absence reveals a dramatic phenotype: poor growth, high basal levels of SOS expression, poorly partitioned nucleoids (Par(-)), UV sensitivity and recombination deficiency. PriA has 733 amino acids and its structure is composed of six domains that enable it to bind to DNA replication fork-like structures, re-model the strands of DNA, interact with SSB (single-stranded DNA binding protein), PriB and DnaT, and display ATPase, helicase and translocase activities...
June 12, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28605878/an-oasis-in-the-desert-of-cancer-chemotherapeutic-resistance-the-enlightenment-from-reciprocal-crosstalk-between-signaling-pathways-of-upr-and-autophagy-in-cancers
#16
REVIEW
Yuhang Zhang, Xianjun Qu, Lingfan Jiang
Endoplasmic reticulum (ER), principal but complex, functions as the pleiotropic organelle for proper protein folding, Ca(2+) storage as well as lipid and carbohydrate metabolisms. Diverse microenviromental insults including, but not limited to, inflammatory reaction, glucose imbalance and hypoxia, elicit the accumulation of potentially toxic unfolded proteins in the ER lumen. Under the condition of these cellular threats, the autophagy with the well-orchestrated program containing over 30 autophagy-related genes (ATGs) might be initiated for degrading and recycling of the cumulative misfolded proteins and other related abnormal cytoplasmic components...
June 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28603045/arctigenin-improves-vascular-tone-and-decreases-inflammation-in-human-saphenous-vein
#17
Armond Daci, Burim Neziri, Shaip Krasniqi, Raif Cavolli, Rame Alaj, Giuseppe Danilo Norata, Giangiacomo Beretta
The goal of this study was to test the effects of bioactive phenylpropanoid dibenzylbutyrolactone lignan arctigenin (ATG) in vascular tone. Human bypass graft vessel, from a saphenous vein (SV), were set up in organ bath system and contracted with potassium chloride (KCl, 40mM). Two concentration-response curves of noradrenaline (NE) (10nM-100μM) separated with an incubation period of 30min without (Control) or with ATG (3-100μM) were established. Inhibitors of nitric oxide, prostaglandins, K(+) related channels or calcium influx were used to delineate the molecular mechanisms beyond ATG effects...
June 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28600122/oxidative-stress-plays-a-key-role-in-butyrate-mediated-autophagy-via-akt-mtor-pathway-in-hepatoma-cells
#18
Kishor Pant, Anoop Saraya, Senthil K Venugopal
Hepatocellular Carcinoma (HCC) is one of the most aggressive forms of cancer, responsible for a number of deaths in humans. Butyrate, one of the short chain fatty acids produced by the gut microbiota during anaerobic fermentation, was shown to be beneficial for inhibiting cancer growth. In this study, we showed that sodium butyrate induced autophagy via reactive oxygen species (ROS) in hepatoma cells. Butyrate (0-6 mM) incubation significantly increased intracellular ROS levels (45.2% compared to control), which in turn inhibited phosphorylation of akt and mTOR, leading to the upregulation of autophagic proteins, such as beclin 1, ATG 5, LC3-II, followed by the increased autophagosome formation (34...
June 11, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28598230/protective-mechanism-of-fsh-against-oxidative-damage-in-mouse-ovarian-granulosa-cells-by-repressing-autophagy
#19
Ming Shen, Yi Jiang, Zhiqiang Guan, Yan Cao, Liechuan Li, Honglin Liu, Shao-Chen Sun
Oxidative stress-induced granulosa cell (GCs) death represents a common reason for follicular atresia. Follicle-stimulating hormone (FSH) has been shown to prevent GCs from oxidative injury, although the underlying mechanism remains to be elucidated. Here we first report that the suppression of autophagic cell death via some novel signaling effectors is engaged in FSH-mediated GCs protection against oxidative damage. The decline in GCs viability caused by oxidant injury was remarkably reduced following FSH treatment, along with impaired macroautophagic/autophagic flux under conditions of oxidative stress both in vivo and in vitro...
June 9, 2017: Autophagy
https://www.readbyqxmd.com/read/28591717/peretinoin-an-acyclic-retinoid-suppresses-steatohepatitis-and-tumorigenesis-by-activating-autophagy-in-mice-fed-an-atherogenic-high-fat-diet
#20
Hikari Okada, Riuta Takabatake, Masao Honda, Kai Takegoshi, Taro Yamashita, Mikiko Nakamura, Takayoshi Shirasaki, Yoshio Sakai, Tetsuro Shimakami, Naoto Nagata, Toshinari Takamura, Takuji Tanaka, Shuichi Kaneko
The pathogenesis of non-alcoholic steatohepatitis (NASH) is still unclear and the prevention of the development of hepatocellular carcinoma (HCC) has not been established. We established an atherogenic and high-fat diet mouse model that develops hepatic steatosis, inflammation, fibrosis, and liver tumors at a high frequency. Using two NASH-HCC mouse models, we showed that peretinoin, an acyclic retinoid, significantly improved liver histology and reduced the incidence of liver tumors. Interestingly, we found that peretinoin induced autophagy in the liver of mice, which was characterized by the increased co-localized expression of microtubule-associated protein light chain 3B-II and lysosome-associated membrane protein 2, and increased autophagosome formation and autophagy flux in the liver...
June 20, 2017: Oncotarget
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