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https://www.readbyqxmd.com/read/29028593/genetic-variations-in-the-p11-tpa-bdnf-pathway-are-associated-with-post-stroke-depression
#1
Jinfeng Liang, Yingying Yue, Haitang Jiang, Deqin Geng, Jun Wang, Jianxin Lu, Shenghua Li, Kezhong Zhang, Aiqin Wu, Yonggui Yuan
BACKGROUND: The effects of BDNF on post stroke depression (PSD) may be influenced by genetic variations in intracellular signal transduction pathways, such as the p11/tPA/BDNF pathway. In this study, we aimed to determine the association of polymorphisms in candidate genes of the gene transduction pathway with PSD, as well as the effects of the interactions between genes in our Chinese sample. METHODS: Two-hundred-fifty-four Chinese samples with acute ischaemic stroke included 122 PSD patients and 132 nonPSD patients...
September 29, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29017572/temporal-genetic-differentiation-in-glossina-pallidipes-tsetse-fly-populations-in-kenya
#2
Winnie A Okeyo, Norah P Saarman, Michael Mengual, Kirstin Dion, Rosemary Bateta, Paul O Mireji, Sylvance Okoth, Johnson O Ouma, Collins Ouma, Joel Ochieng, Grace Murilla, Serap Aksoy, Adalgisa Caccone
BACKGROUND: Glossina pallidipes is a major vector of both Human and Animal African Trypanosomiasis (HAT and AAT) in Kenya. The disease imposes economic burden on endemic regions in Kenya, including south-western Kenya, which has undergone intense but unsuccessful tsetse fly control measures. We genotyped 387 G. pallidipes flies at 13 microsatellite markers to evaluate levels of temporal genetic variation in two regions that have been subjected to intensive eradication campaigns from the 1960s to the 1980s...
October 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28990424/an-inducible-promoter-responsive-to-different-porphyrinogenic-stimuli-improves-gene-therapy-vectors-for-acute-intermittent-porphyria
#3
Irantzu Serrano, Ana Sampedro, Manuel Alegre, Rafael Enriquez de Salamanca, Pedro Berraondo, Antonio Fontanellas
Porphobilinogen deaminase (PBGD)-gene therapy represents a promising therapeutic option for acute intermittent porphyria (AIP) patients suffering recurrent acute attacks. The first-in-human phase 1 clinical trial confirmed the safety and tolerability of AAV-AAT-PBGD gene therapy but higher doses and/or more efficient vectors are needed to achieve therapeutic expression of the transgene. We assayed the insertion into the promoter of a short enhancer element able to induce transgene expression during the exposure to endogenous and exogenous stimuli related to the pathology of the disease...
October 7, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28983091/therapeutic-potential-of-human-minor-salivary-gland-epithelial-progenitor-cells-in-liver-regeneration
#4
Chen Zhang, Yan Li, Xiang-Yu Zhang, Lei Liu, Hai-Zhou Tong, Ting-Lu Han, Wan-di Li, Xiao-Lei Jin, Ning-Bei Yin, Tao Song, Hai-Dong Li, Juan Zhi, Zhen-Min Zhao, Lin Lu
Liver disease is a serious problem affecting millions of people with continually increasing prevalence. Stem cell therapy has become a promising treatment for liver dysfunction. We previously reported on human minor salivary gland mesenchymal stem cells (hMSGMSCs), which are highly self-renewable with multi-potent differentiation capability. In this study, keratinocyte-like cells with self-regeneration and hepatic differentiation potential were isolated and characterized, and named human minor salivary gland epithelial progenitor cells (hMSG-EpiPCs)...
October 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28980285/peri-interventional-combined-anticoagulation-and-antithrombotic-therapy-in-atrial-fibrillation-ablation-a-retrospective-safety-analysis
#5
Katharina Klee, Daniel Widulle, Martin Duckheim, Michael Gramlich, Christian Frische, Meinrad Gawaz, Peter Seizer, Christian Eick, Juergen Schreieck
BACKGROUND: Catheter ablation (CA) of atrial fibrillation (AF) requires an intensified peri-interventional anticoagulation scheme to avoid thromboembolic complications. In patients with cardiac or extracardiac artery disease, an additional antiplatelet treatment (AAT) is at least temporally necessary especially after a percutaneous intervention with stent implantation. This raises the question whether these patients have a higher peri-interventional bleeding risk during CA of AF. METHODS: The data of 1235 patients with CA of AF were retrospectively analyzed in terms of bleeding events, ablation type, antithrombotic medication and comorbidities such as coronary artery disease and components of the HAS- BLED Score...
October 5, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28969619/animal-assisted-therapy-at-a-university-centre-for-palliative-medicine-a-qualitative-content-analysis-of-patient-records
#6
Andrea Schmitz, Melanie Beermann, Colin R MacKenzie, Katharina Fetz, Christian Schulz-Quach
BACKGROUND: Animal-assisted therapy (AAT) is a therapeutic concept, which has only recently been explored in more detail within the palliative care setting. A programme of AAT was begun in June 2014 at the Interdisciplinary Centre for Palliative Medicine of the University Hospital Dusseldorf, Germany. The AAT sessions were performed by two trained and certified dog assistant therapy teams (DATT). To date only very limited scientific data are available with regard to feasibility, therapeutic indications and efficacy of AAT in palliative care...
October 2, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28963124/effect-of-light-load-resistance-exercise-on-postprandial-amino-acid-transporter-expression-in-elderly-men
#7
Jakob Agergaard, Jacob Bülow, Jacob K Jensen, Søren Reitelseder, Andreas Bornø, Micah J Drummond, Peter Schjerling, Lars Holm
An impaired amino acid sensing is associated with age-related loss of skeletal muscle mass. We tested whether light-load resistance exercise (LL-RE) affects postprandial amino acid transporter (AAT) expression in aging skeletal muscle. Untrained, healthy men (age: +65 years) were subjected to 13 h of supine rest. After 2 1/2 h of rest, unilateral LL-RE was conducted (leg extensions, 10 sets of 36 repetitions) at 16% 1RM Thereafter, the subjects were randomized into groups that orally ingested 40 g of whey protein either as hourly drinks (4 g per drink) (PULSE, N = 10) or two boluses (28 g at 0 h and 12 g at 7 h) (BOLUS, N = 10), or hourly isocaloric maltodextrin drinks (placebo, N = 10)...
September 2017: Physiological Reports
https://www.readbyqxmd.com/read/28953225/explicit-and-implicit-approach-vs-avoidance-tendencies-towards-high-vs-low-calorie-food-cues-in-patients-with-obesity-and-active-binge-eating-disorder
#8
Georgios Paslakis, Simone Kühn, Sebastian Grunert, Yesim Erim
Patients with binge eating disorder (BED) suffer from regular food binges with loss of control. This may be due to dysfunctional approach vs. avoidance tendencies towards food in BED. We applied an approach-avoidance task (AAT), in which n = 24 patients with obesity and active BED (OB-BED), n = 32 patients with obesity without current BED (OB), and n = 25 healthy controls (CO) either approached ("pulled") or avoided ("pushed") high (HC) vs. low calorie (LC) food pictures. We tested the hypothesis that OB-BED patients would show an approach bias (measured as different response times RT) towards HC food compared to the other groups...
September 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28949149/total-synthesis-of-repeating-unit-of-o-polysaccharide-of-providencia-alcalifaciens-o22-via-one-pot-glycosylation
#9
Ananda Rao Podilapu, Suvarn S Kulkarni
The first total synthesis of the phosphorylated trisaccharide repeating unit of Providencia alcalifaciens O22 is reported. The trisaccharide contains rare deoxyamino sugar AAT at the reducing end and d-glyceramide 2-phosphate at the other end. The efficient synthesis involves one-pot assembly of trisaccharide and late-stage phosphorylation as key steps.
October 6, 2017: Organic Letters
https://www.readbyqxmd.com/read/28947017/identification-of-a-new-defective-serpina1-allele-pi-zla-palma-encoding-an-alpha-1-antitrypsin-with-altered-glycosylation-pattern
#10
José M Hernández-Pérez, Ruth Ramos-Díaz, José A Pérez
BACKGROUND: Alpha-1-antitrypsin (AAT) deficiency is a genetic condition that arises from mutations in the SERPINA1 gene and predisposes to develop pulmonary emphysema and, less frequently, liver disease. Occasionally, new defective SERPINA1 alleles are detected as an outcome of targeted-screening programs or case-findings. METHODS: This study began with a female patient showing bronchial hyperreactivity. Serum level and phenotype for AAT was analysed by immunonephelometry and isoelectric focusing electrophoresis...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28935810/sulfur-dioxide%C3%A2-suppresses-inflammatory-response-by-sulfenylating-nf-%C3%AE%C2%BAb-p65-at-cysteine-38-in-a-rat-model-of-acute-lung-injury
#11
Siyao Chen, Yaqian Huang, Zhiwei Liu, Wen Yu, Heng Zhang, Kun Li, Xiaoqi Yu, Chaoshu Tang, Bin Zhao, Junbao Du, Hongfang Jin
This study was designed to investigate whether endogenous sulfur dioxide (SO2) controlled pulmonary inflammation in a rat model of oleic acid (OA)-induced acute lung injury (ALI). In this model, adenovirus expressing aspartate aminotransferase (AAT) 1 was delivered to the lungs, and the levels of SO2 and pro-inflammatory cytokines in rat lung tissues were measured. In the human alveolar epithelial cell line A549, the nuclear translocation and DNA binding activities of wild-type (wt) and C38S NF-κB p65 were detected...
September 21, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28929906/the-important-role-of-primary-care-providers-in-the-detection-of-alpha-1-antitrypsin-deficiency
#12
Jorge E Lascano, Michael A Campos
OBJECTIVE: Alpha-1 antitrypsin deficiency (AATD) is an underrecognized genetic disorder that can cause chronic obstructive pulmonary disease (COPD) and liver cirrhosis, two clinical conditions commonly seen by primary care physicians. AATD is estimated to affect 1/4000-1/5000 people in the United States and 1-2% of all COPD cases. METHODS: PubMed was searched for relevant articles using AAT/AATD-related terms. RESULTS: Unfortunately, <10% of symptomatic individuals have been properly diagnosed primarily due to the underdiagnosis of COPD and the lack of awareness of AATD as a possible underlying cause...
October 5, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28927525/alpha-1-antitrypsin-deficiency-genetic-variations-clinical-manifestations-and-therapeutic-interventions
#13
REVIEW
Younis Mohammad Hazari, Arif Bashir, Mudasir Habib, Samirul Bashir, Huma Habib, M Abul Qasim, Naveed Nazir Shah, Ehtishamul Haq, Jeffrey Teckman, Khalid Majid Fazili
Alpha-1-antitrypsin (AAT) is an acute phase secretory glycoprotein that inhibits neutrophil proteases like elastase and is considered as the archetype of a family of structurally related serine-protease inhibitors termed serpins. Serum AAT predominantly originates from liver and increases three to five fold during host response to tissue injury and inflammation. The AAT deficiency is unique among the protein-misfolding diseases in that it causes target organ injury by both loss-of-function and gain-of-toxic function mechanisms...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28918045/cationic-nanoliposomes-meet-mrna-efficient-delivery-of-modified-mrna-using-hemocompatible-and-stable-vectors-for-therapeutic-applications
#14
Tatjana Michel, Daniel Luft, Meike-Kristin Abraham, Sabrina Reinhardt, Martha L Salinas Medina, Julia Kurz, Martin Schaller, Meltem Avci-Adali, Christian Schlensak, Karlheinz Peter, Hans Peter Wendel, Xiaowei Wang, Stefanie Krajewski
Synthetically modified mRNA is a unique bioactive agent, ideal for use in therapeutic applications, such as cancer vaccination or treatment of single-gene disorders. In order to facilitate mRNA transfections for future therapeutic applications, there is a need for the delivery system to achieve optimal transfection efficacy, perform with durable stability, and provide drug safety. The objective of our study was to comprehensively analyze the use of 3β-[N-(N',N'-dimethylaminoethane) carbamoyl](DC-Cholesterol)/dioleoylphosphatidylethanolamine (DOPE) liposomes as a potential transfection agent for modified mRNAs...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917984/multi-objective-optimization-of-asymmetric-acoustic-transmission-with-periodical-structure
#15
Jiu-Jiu Chen, Jian-Cheng Zhang, Shao-Yong Huo
Asymmetric acoustic wave propagation is important for control and manipulation of the acoustic wave signals in various devices. However, previous approach to find optimal asymmetric acoustic transmission (AAT) is through repeatedly adjusting the geometrical parameters, thus causing time-consuming. Here we propose a study on the multi-objective optimization of the AAT, aiming to achieve the widest working frequency range (fr) and the highest transmittance peak (η) with regard to the design variables. For this purpose, the Radial Basis Function (RBF) neural work and finite element (FE) method are applied to obtain the valuable data in the procedure...
September 8, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28915239/structural-basis-for-the-high-specificity-of-a-trypanosoma-congolense-immunoassay-targeting-glycosomal-aldolase
#16
Joar Pinto, Steven Odongo, Felicity Lee, Vaiva Gaspariunaite, Serge Muyldermans, Stefan Magez, Yann G-J Sterckx
BACKGROUND: Animal African trypanosomosis (AAT) is a neglected tropical disease which imposes a heavy burden on the livestock industry in Sub-Saharan Africa. Its causative agents are Trypanosoma parasites, with T. congolense and T. vivax being responsible for the majority of the cases. Recently, we identified a Nanobody (Nb474) that was employed to develop a homologous sandwich ELISA targeting T. congolense fructose-1,6-bisphosphate aldolase (TcoALD). Despite the high sequence identity between trypanosomatid aldolases, the Nb474-based immunoassay is highly specific for T...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28889108/survival-in-individuals-with-severe-alpha-1-antitrypsin-deficiency-pizz-in-comparison-to-a-general-population-with-known-smoking-habits
#17
Hanan A Tanash, Magnus Ekström, Eva Rönmark, Anne Lindberg, Eeva Piitulainen
Knowledge about the natural history of severe alpha 1-antitrypsin (AAT) deficiency (PiZZ) is limited. Our aim was to compare the survival of PiZZ individuals with randomly selected controls from the Swedish general population.The PiZZ subjects (n=1585) were selected from the Swedish National AATD Register. The controls (n=5999) were randomly selected from the Swedish population register. Smoking habits were known for all subjects.Median follow-up times for the PiZZ subjects (731 never-smokers) and controls (3179 never-smokers) were 12 and 17 years, respectively (p<0...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28874723/inducing-fluorescence-of-uranyl-acetate-as-a-dual-purpose-contrast-agent-for-correlative-light-electron-microscopy-with-nanometre-precision
#18
Maarten W Tuijtel, Aat A Mulder, Clara C Posthuma, Barbara van der Hoeven, Abraham J Koster, Montserrat Bárcena, Frank G A Faas, Thomas H Sharp
Correlative light-electron microscopy (CLEM) combines the high spatial resolution of transmission electron microscopy (TEM) with the capability of fluorescence light microscopy (FLM) to locate rare or transient cellular events within a large field of view. CLEM is therefore a powerful technique to study cellular processes. Aligning images derived from both imaging modalities is a prerequisite to correlate the two microscopy data sets, and poor alignment can limit interpretability of the data. Here, we describe how uranyl acetate, a commonly-used contrast agent for TEM, can be induced to fluoresce brightly at cryogenic temperatures (-195 °C) and imaged by cryoFLM using standard filter sets...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28870679/acc-aats-aha-ase-asnc-hrs-scai-scct-scmr-sts-2017-appropriate-use-criteria-for-multimodality-imaging-in-valvular%C3%A2-heart-disease-a-report-of-the-american-college-of-cardiology-appropriate-use-criteria-task-force-american-association-for-thoracic-surgery-american
#19
https://www.readbyqxmd.com/read/28870536/animal-african-trypanosomiasis-in-nigeria-a-long-way-from-elimination-eradication
#20
REVIEW
C Isaac, J A Ohiolei, F Ebhodaghe, I B Igbinosa, A A Eze
Animal African Trypanosomiasis (AAT) is a disease of livestock that directly hinders livestock production and therefore impedes the socio-economic development of sub-Saharan Africa. The establishment of the Pan-African Tsetse and Trypanosomiasis Eradication Campaign (PATTEC) was to enhance the goal of elimination and eradication of tsetse flies and AAT from endemic countries in Africa. In order to achieve AAT eradication, a five-step progressive control pathway (PCP) model has been proposed. The data presented in this report demonstrates that Nigeria is highly endemic of AAT and that it is yet to comprehensively approach the process of eradication as it is at the infancy stage of data gathering and processing...
December 2017: Acta Tropica
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