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https://www.readbyqxmd.com/read/28818080/standardized-systemic-phenotypic-analysis-reveals-kidney-dysfunction-as-main-alteration-of-kctd1-i27n-mutant-mice
#1
Sudhir Kumar, Birgit Rathkolb, Sibylle Sabrautzki, Stefan Krebs, Elisabeth Kemter, Lore Becker, Johannes Beckers, Raffi Bekeredjian, Robert Brommage, Julia Calzada-Wack, Lillian Garrett, Sabine M Hölter, Marion Horsch, Martin Klingenspor, Thomas Klopstock, Kristin Moreth, Frauke Neff, Jan Rozman, Helmut Fuchs, Valérie Gailus-Durner, Martin Hrabe de Angelis, Eckhard Wolf, Bernhard Aigner
BACKGROUND: Increased levels of blood plasma urea were used as phenotypic parameter for establishing novel mouse models for kidney diseases on the genetic background of C3H inbred mice in the phenotype-driven Munich ENU mouse mutagenesis project. The phenotypically dominant mutant line HST014 was established and further analyzed. METHODS: Analysis of the causative mutation as well as the standardized, systemic phenotypic analysis of the mutant line was carried out...
August 17, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28815647/wildlife-disease-ecology-from-the-individual-to-the-population-insights-from-a-long-term-study-of-a-naturally-infected-european-badger-population
#2
Jenni L McDonald, Andrew Robertson, Matthew J Silk
1. Long-term individual-based datasets on host-pathogen systems are a rare and valuable resource for understanding the infectious disease dynamics in wildlife. A study of European badgers (Meles meles) naturally infected with bovine tuberculosis (bTB) at Woodchester Park in Gloucestershire (UK) has produced a unique dataset, facilitating investigation of a diverse range of epidemiological and ecological questions with implications for disease management. 2. Since the 1970s this badger population has been monitored with a systematic mark-recapture regime yielding a dataset of >15,000 captures of >3000 individuals, providing detailed individual life-history, morphometric, genetic, reproductive and disease data...
August 16, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28810868/nontuberculosis-mycobacteria-are-the-major-causes-of-tuberculosis-like-lesions-in-cattle-slaughtered-at-bahir-dar-abattoir-northwestern-ethiopia
#3
Anwar Nuru, Aboma Zewude, Temesgen Mohammed, Biniam Wondale, Laikemariam Teshome, Muluwork Getahun, Gezahegne Mamo, Girmay Medhin, Rembert Pieper, Gobena Ameni
BACKGROUND: The main cause of bovine tuberculosis (bTB) is believed to be Mycobacterium bovis (M. bovis). Nontuberculosis mycobacteria (NTM) are neglected but opportunistic pathogens and obstacles for bTB diagnosis. This study aimed to isolate and characterize the mycobacteria organisms involved in causing TB-like lesions in cattle in northwestern Ethiopia. RESULTS: A total of 2846 carcasses of cattle were inspected for TB lesions. Ninety six tissues (including lymph nodes such as submandibular, retropharyngeal, tonsilar, mediatinal, bronchial and mesenteric, and organs such as lung, liver and kidney) with suspicious TB lesion(s) were collected and cultured on Lowenstein-Jensen medium...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28809627/-the-use-of-btb-allograft-in-revision-reconstruction-of-the-anterior-cruciate-ligament-and-its-success-rate-in-terms-of-subjective-patient-satisfaction
#4
J Sklenský, P Vališ, M Repko, M Rouchal, M Maršálek, D Hrůzová
PURPOSE OF THE STUDY A retrospective evaluation of the success rate of revision ACL reconstruction performed using BTB allograft in terms of the life expectancy of the procedure up to and over five years from surgery. MATERIAL AND METHODS Over a ten-year period, from 2003 to 2013, we performed 47 revision ACL reconstruction surgeries. The majority of the primary ACL reconstructions using BTB autografts were not performed at our site. The group observed included 16 women (34%) and 31 men (66%). The women were aged between 25 and 48 years, the median age being 32...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28807996/klhl6-deficiency-impairs-transitional-b-cell-survival-and-differentiation
#5
Barbara Bertocci, Damiana Lecoeuche, Delphine Sterlin, Julius Kühn, Baptiste Gaillard, Annie De Smet, Frederique Lembo, Christine Bole-Feysot, Nicolas Cagnard, Tatiana Fadeev, Auriel Dahan, Jean-Claude Weill, Claude-Agnès Reynaud
Klhl6 belongs to the KLHL gene family, which is composed of an N-terminal BTB-POZ domain and four to six Kelch motifs in tandem. Several of these proteins function as adaptors of the Cullin3 E3 ubiquitin ligase complex. In this article, we report that Klhl6 deficiency induces, as previously described, a 2-fold reduction in mature B cells. However, we find that this deficit is centered on the inability of transitional type 1 B cells to survive and to progress toward the transitional type 2 B cell stage, whereas cells that have passed this step generate normal germinal centers (GCs) upon a T-dependent immune challenge...
August 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28800784/upregulation-of-microrna-4262-targets-kaiso-zbtb33-to-inhibit-the-proliferation-and-emt-of-cervical-cancer-cells
#6
Jing Feng
More and more studies have reported that dysregulation of microRNAs (miRNAs) lead to the proliferation and EMT of multiple cancers. Recently, several reports have demonstrated that dysregulation of miR-4262 is in numerous cancers. However, its role and precise mechanism in human cervical cancer (CC) have not been well clarified. Hence, my study was aim to explore the biological roles and precise mechanisms of miR-4262 in CC cell lines. In my study, I found that the level of miR-4262 is significantly decreased in CC tissues and cell lines...
August 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28800642/cost-effectiveness-evaluation-of-bovine-tuberculosis-surveillance-in-wildlife-in-france-sylvatub-system-using-scenario-trees
#7
Julie Rivière, Yann Le Strat, Pascal Hendrikx, Barbara Dufour
Bovine tuberculosis (bTB) is a common disease in cattle and wildlife, with health, zoonotic and economic implications. Infected wild animals, and particularly reservoirs, could hinder eradication of bTB from cattle populations, which could have an important impact on international cattle trade. Therefore, surveillance of bTB in wildlife is of particular importance to better understand the epidemiological role of wild species and to adapt the control measures. In France, a bTB surveillance system for free-ranging wildlife, the Sylvatub system, has been implemented since 2011...
2017: PloS One
https://www.readbyqxmd.com/read/28778090/trastuzumab-distribution-in-an-in-vivo-and-in-vitro-model-of-brain-metastases-of-breast-cancer
#8
Tori B Terrell-Hall, Mohamed Ismail Nounou, Fatema El-Amrawy, Jessica I G Griffith, Paul R Lockman
BACKGROUND: Drug and antibody delivery to brain metastases has been highly debated in the literature. The blood-tumor barrier (BTB) is more permeable than the blood-brain barrier (BBB), and has shown to have highly functioning efflux transporters and barrier properties, which limits delivery of targeted therapies. METHODS: We characterized the permeability of 125I-trastuzumab in an in-vivo, and fluorescent trastuzumab-Rhodamine123 (t-Rho123) in a novel microfluidic in-vitro, BBB and BTB brain metastases of breast cancer model...
July 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28775337/femur-first-navigation-can-reduce-impingement-severity-compared-to-traditional-free-hand-total-hip-arthroplasty
#9
Arnab Palit, Mark A Williams, Glen A Turley, Tobias Renkawitz, Markus Weber
Impingement is a major source of dislocation and aseptic loosening in total hip arthroplasty (THA). We compared impingement free range of motion (ROM) using a novel computer navigated femur first approach to conventional THA. In addition, impingement between genders was also explored. In a retrospective analysis of 121 THA patients, subject-specific post-operative ROM was simulated using post-operative 3D-CT data, and compared with the benchmark ROM, essential for activities of daily living. Three parameters were defined to express both implant-to-implant (ITI) and bone-to-bone (BTB) impingement - coverage percentage, third angle, and impingement severity...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28769046/kaiso-protects-human-umbilical-vein-endothelial-cells-against-apoptosis-by-differentially-regulating-the-expression-of-b-cell-cll-lymphoma-2-family-members
#10
Xiaodong Xue, Jian Zhang, Huai Lan, Yinli Xu, Huishan Wang
Endothelial cell injury can promote the development of various cardiovascular diseases, thus, fully understanding the mechanisms underlying the maintenance of vascular endothelial cell homoeostasis may help prevent and treat cardiovascular disease. Kaiso, a zinc finger and BTB domain containing transcription factor, is key to embryonic development and cancer, but how Kaiso interacts with vascular endothelium is not fully understood. We report that Kaiso has an anti-apoptotic function in human umbilical vein endothelial cells (HUVECs) and human microvascular endothelial cells (HMEC-1s)...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743001/gcl-and-cul3-control-the-switch-between-cell-lineages-by-mediating-localized-degradation-of-an-rtk
#11
Juhee Pae, Ryan M Cinalli, Antonio Marzio, Michele Pagano, Ruth Lehmann
The separation of germline from somatic lineages is fundamental to reproduction and species preservation. Here, we show that Drosophila Germ cell-less (GCL) is a critical component in this process by acting as a switch that turns off a somatic lineage pathway. GCL, a conserved BTB (Broad-complex, Tramtrack, and Bric-a-brac) protein, is a substrate-specific adaptor for Cullin3-RING ubiquitin ligase complex (CRL3(GCL)). We show that CRL3(GCL) promotes PGC fate by mediating degradation of Torso, a receptor tyrosine kinase (RTK) and major determinant of somatic cell fate...
July 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28741679/comparing-social-group-identifications-and-socioeconomic-deprivation-as-predictors-of-psychological-distress-evidence-from-a-scottish-primary-care-sample
#12
Fabia Cientanni, Kevin Power, Fabio Sani, Christopher Wright, Frances Baty, Kerry Hustings, David Morgan, Gary Tanner
Social group identification and socioeconomic deprivation have both been linked to self-reported depressive symptoms in general population samples; however, no study to date has explored the strength of the joint predictive value of these factors within a mental health population. The current study explored the impact of social group identifications and socioeconomic deprivation, together with important clinical and demographic variables, on psychological distress in a Scottish mental health sample. Participants (N = 976) were recruited from referrals to a computerized cognitive behavioural therapy (cCBT) programme in Scotland, 'Beating the Blues' (BtB) over a 25-month period...
July 25, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28725322/recurrent-body-rash-warranted-second-desensitization-with-acyclovir-in-a-myeloma-patient-a-case-report
#13
Jack T Seki, Pamela Ng, Wallace Lam, Julie Cote, Anca Prica
A 75-year-old woman developed a moderately severe rash about a week and a half after the start of bortezomib (Btb)-based chemotherapy for IgG lambda multiple myeloma; at the time, she was also receiving acyclovir as antiviral prophylaxis in addition to herpes zoster (HZ) vaccination. HZ reactivation rate is high in Btb recipients; therefore, the timing of antiviral prevention is critical in relation to Btb. Attempts were made to identify the offending agent based on the timing of drugs administered and the appearance of skin lesions in relation to other drugs...
August 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28707438/long-term-impact-of-the-endocrine-disruptor-tributyltin-on-male-fertility-following-a-single-acute-exposure
#14
Sumonto Mitra, Ankit Srivastava, Shashi Khandelwal
Declining rate of human fertility is a growing concern, where lifestyle and environmental factors play an important role. We recently demonstrated that tributyltin (TBT), an omnipresent endocrine disruptor, affects testicular cells in vitro. In this study, male Wistar rats were gavaged a single dose of 10, 20, and 30 mg/kg TBT-chloride (TBTC) (to mimic accidental exposure in vivo) and sacrificed on day 3 and day 7, respectively. TBT bioavailability was evaluated by estimating total tin content, and essential metal levels were analyzed along with redox molecules (ROS and GSH/GSSG) to understand the effect on physiological conditions...
July 14, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28706839/suspensory-fixation-device-for-use-with-bone-patellar-tendon-bone-grafts
#15
Philippe Colombet, Nicolas Bouguennec
Good to excellent results at long-term follow-up have been published for bone-patellar tendon-bone (BTB) graft anterior cruciate ligament reconstruction. Fixation using screws historically has been the most common choice for femoral and tibial bone blocks, but screws present several disadvantages, which include the risk of blowout (for which prevention implies having to shift the position of the tunnel anteriorly), as well as lesions of the bone blocks and tendons. This article describes a technique using Pullup BTB adjustable-loop length suspensory fixation (SBM, Lourdes, France) on the femoral and tibial sides...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28704479/dynamic-changes-in-bach1-expression-in-the-kidney-of-rhabdomyolysis-associated-acute-kidney-injury
#16
Masakazu Yamaoka, Hiroko Shimizu, Toru Takahashi, Emiko Omori, Hiroshi Morimatsu
Free heme, a pro-oxidant released from myoglobin, is thought to contribute to the pathogenesis of rhabdomyolysis-associated acute kidney injury (RM-AKI), because renal overexpression of heme oxygenase-1 (HO-1), the rate-limiting enzyme in heme catabolism, confers protection against RM-AKI. BTB and CNC homology 1 (Bach1) is a heme-responsive transcription factor that represses HO-1. Here, we examined the changes with time in the gene expression of Bach1, HO-1, and δ-aminolevulinate synthase (ALAS1, a heme biosynthetic enzyme) in the rat kidney using an RM-AKI model induced by the injection of 50% glycerol (10 mL/kg body weight) into bilateral limbs...
2017: PloS One
https://www.readbyqxmd.com/read/28701916/the-role-of-hotair-mir-148b-3p-usf1-on-regulating-the-permeability-of-btb
#17
Libo Sa, Yan Li, Lini Zhao, Yunhui Liu, Ping Wang, Libo Liu, Zhen Li, Jun Ma, Heng Cai, Yixue Xue
Homeobox transcript antisense intergenic RNA (HOTAIR), as a long non-coding RNA (lncRNA), has been considered to play critical roles in the biological properties of various tumors. The purposes of this study were to investigate the role and possible molecular mechanisms of HOTAIR in regulating the permeability of blood tumor barrier (BTB) in vitro. Our present study elucidated that the expressions of HOTAIR and upstream stimulatory factor 1 (USF1) was up-regulated, but miR-148b-3p was down-regulated in glioma microvascular endothelial cells (GECs)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28701473/zbtb7a-induction-in-alveolar-macrophages-is-implicated-in-anti-hla-mediated-lung-allograft-rejection
#18
Deepak K Nayak, Fangyu Zhou, Min Xu, Jing Huang, Moriya Tsuji, Jinsheng Yu, Ramsey Hachem, Andrew E Gelman, Ross M Bremner, Michael A Smith, Thalachallour Mohanakumar
Chronic rejection significantly limits long-term success of solid organ transplantation. De novo donor-specific antibodies (DSAs) to mismatched donor human leukocyte antigen after human lung transplantation predispose lung grafts to chronic rejection. We sought to delineate mediators and mechanisms of DSA pathogenesis and to define early inflammatory events that trigger chronic rejection in lung transplant recipients and obliterative airway disease, a correlate of human chronic rejection, in mouse. Induction of transcription factor zinc finger and BTB domain containing protein 7a (Zbtb7a) was an early response critical in the DSA-induced chronic rejection...
July 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28690461/hospital-for-special-surgery-acl-registry-2-year-outcomes-suggest-low-revision-and-return-to-or-rates
#19
Moira McCarthy, Katherine Mallett, Matthew Abola, Sherrie Vassallo, Joseph Nguyen
BACKGROUND: Anterior cruciate ligament (ACL) injuries are among the most common knee injuries. Patient outcomes, rate of subsequent operations, and rate of subsequent ACL reconstruction following primary ACL reconstruction need to be evaluated. QUESTIONS/PURPOSES: This study was designed to answer the following questions: (1) What is the return to surgery (OR) rate following primary ACL reconstruction and (2) what is the revision ACL reconstruction rate? METHODS: Data was drawn from the Hospital for Special Surgery (HSS) ACL Registry...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28687044/dual-modified-liposome-codelivery-of-doxorubicin-and-vincristine-improve-targeting-and-therapeutic-efficacy-of-glioma
#20
Yue Zhang, Meifang Zhai, Zhijiang Chen, Xiaoyang Han, Fanglin Yu, Zhiping Li, Xiangyang Xie, Cuiyan Han, Lian Yu, Yang Yang, Xingguo Mei
Therapeutic outcome for the treatment of glioma was often limited due to drug resistance and low permeability of drug across the multiple physiological barriers, including the blood-brain barrier (BBB), and the blood-tumor barrier (BTB). In order to overcome these hurdles, we designed T7 and (D)A7R dual peptides-modified liposomes (abbreviated as T7/(D)A7R-LS) to efficiently co-delivery doxorubicin (DOX) and vincristine (VCR) to glioma in this study. T7 is a seven-peptide ligand of transferrin receptors (TfR) capable of circumventing the BBB and then targeting glioma...
November 2017: Drug Delivery
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