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https://www.readbyqxmd.com/read/29351800/drug-resistance-genes-pvcrt-o-and-pvmdr-1-polymorphism-in-patients-from-malaria-endemic-south-western-coastal-region-of-india
#1
Shiny Joy, Benudhar Mukhi, Susanta K Ghosh, Rajeshwara N Achur, D Channe Gowda, Namita Surolia
BACKGROUND: Malaria is highly prevalent in many parts of India and is mostly caused by the parasite species Plasmodium vivax followed by Plasmodium falciparum. Chloroquine (CQ) is the first-line treatment for blood stage P. vivax parasites, but cases of drug resistance to CQ have been reported from India. One of the surveillance strategies which is used to monitor CQ drug resistance, is the analysis of single nucleotide polymorphisms (SNPs) of the associated gene markers. Susceptibility to CQ can also be determined by copy number assessment of multidrug resistant gene (mdr-1)...
January 19, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29351623/development-of-sugar-chain-binding-single-chain-variable-fragment-antibody-to-adult-t-cell-leukemia-cells-using-glyco-nanotechnology-and-phage-display-method
#2
Kaname Muchima, Taro Todaka, Hiroyuki Shinchi, Ayaka Sato, Arisa Tazoe, Rikiya Aramaki, Yuhei Kakitsubata, Risa Yokoyama, Naomichi Arima, Masanori Baba, Masahiro Wakao, Yuji Ito, Yasuo Suda
Adult T-cell leukemia (ATL) is an intractable blood cancer caused by the infection of human T-cell leukemia virus type-1, and effective medical treatment is required. It is known that the structure and expression levels of cell surface sugar chains vary depending on cell states such as inflammation and cancer. Thus, it is expected that the antibody specific for ATL cell surface sugar chain would be an effective diagnostic tool and a strong candidate for the development of an anti-ATL drug. Here, we developed a stable sugar chain binding single chain variable fragment antibody (scFv) that can bind to ATL cells using a fiber type Sugar Chip and phage display method...
January 17, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29349807/possible-role-of-plasmacytoid-dendritic-cells-in-pityriasis-lichenoides
#3
M Karouni, J Abou Rahal, M Kurban, A G Kibbi, O Abbas
BACKGROUND: Plasmacytoid dendritic cells (pDCs) and their product, type I interferons (IFNs), have been implicated in the pathogenesis of several skin disorders characterized by an interface dermatitis (ID) pattern, such as lichen planus (LP). A type I IFN signature has previously been documented in pityriasis lichenoides (PL). Although pDCs are known to be the main source and most potent producers of local type I IFNs, their role in PL has not been investigated. AIM: To investigate the role of pDCs in PL...
January 19, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29342321/contributions-of-material-properties-and-structure-to-increased-bone-fragility-for-a-given-bone-mass-in-the-ucd-t2dm-rat-model-of-type-2-diabetes
#4
Claire Acevedo, Meghan Sylvia, Eric Schaible, James L Graham, Kimber L Stanhope, Lionel N Metz, Bernd Gludovatz, Ann V Schwartz, Robert O Ritchie, Tamara N Alliston, Peter J Havel, Aaron J Fields
Adults with type 2 diabetes (T2D) have a higher fracture risk for a given bone quantity, but the mechanisms remain unclear. Using a rat model of polygenic obese T2D, we demonstrate that diabetes significantly reduces whole-bone strength for a given bone mass (micro-CT-derived BMC), and we quantify the roles of T2D-induced deficits in material properties versus bone structure, i.e., geometry and microarchitecture. Lumbar vertebrae and ulnae were harvested from 6-month-old lean Sprague-Dawley rats, obese Sprague-Dawley rats, and diabetic obese UCD-T2DM rats (diabetic for 69 ± 7 days; blood glucose >200 mg/dl)...
January 17, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29340222/direct-molecular-fishing-of-new-protein-partners-for-human-thromboxane-synthase
#5
A V Svirid, P V Ershov, E O Yablokov, L A Kaluzhskiy, Yu V Mezentsev, A V Florinskaya, T A Sushko, N V Strushkevich, A A Gilep, S A Usanov, A E Medvedev, A S Ivanov
Thromboxane synthase (TBXAS1) catalyzes the isomerization reaction of prostaglandin H2 producing thromboxane A2, the autocrine and paracrine factor in many cell types. A high activity and metastability by these arachidonic acid derivatives suggests the existence of supramolecular structures that are involved in the regulation of the biosynthesis and directed translocation of thromboxane to the receptor. The objective of this study was to identify TBXAS1 protein partners from human liver tissue lysate using a complex approach based on the direct molecular fishing technique, LC-MS/MS protein identification, and protein-protein interaction validation by surface plasmon resonance (SPR)...
October 2017: Acta Naturae
https://www.readbyqxmd.com/read/29335625/the-european-society-for-blood-and-marrow-transplantation-ebmt-consensus-guidelines-for-the-detection-and-treatment-of-donor-specific-anti-hla-antibodies-dsa-in-haploidentical-hematopoietic-cell-transplantation
#6
REVIEW
Stefan O Ciurea, Kai Cao, Marcelo Fernadez-Vina, Piyanuch Kongtim, Monzr Al Malki, Ephraim Fuchs, Leo Luznik, Xiao-Jun Huang, Fabio Ciceri, Franco Locatelli, Franco Aversa, Luca Castagna, Andrea Bacigalupo, Massimo Martelli, Didier Blaise, Rupert Handgretinger, Denis-Claude Roy, Paul O'Donnell, Asad Bashey, Hillard M Lazarus, Karen Ballen, Bipin N Savani, Mohamad Mohty, Arnon Nagler
Haploidentical donors are now increasingly considered for transplantation in the absence of HLA-matched donors or when an urgent transplant is needed. Donor-specific anti-HLA antibodies (DSA) have been recently recognized as an important barrier against successful engraftment of donor cells, which can affect transplant survival. DSA appear more prevalent in this type of transplant due to higher likelihood of alloimmunization of multiparous females against offspring's HLA antigens, and the degree of mismatch...
January 15, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29332920/aorto-cutaneous-fistula-after-surgical-treatment-of-stanford-type-a-aortic-dissection
#7
Chenyu Zhao, Zhicheng Zhu, Xiaomei Zheng, Kexiang Liu
An aorto-cutaneous fistula is a rare complication that occurs after aortic surgery. Due to its rarity, postoperative complications are not normally highlighted in most standard teaching. We report here a case of aorto-cutaneous fistula after surgical treatment of a Stanford type A aortic dissection (AD) in a 67-year-old Chinese male. The patient presented with severe right heart dysfunction and a mass was found in the upper-middle of his chest, which started bleeding in the next years. On admission, preoperative aortic computed tomography angiography (CTA) showed a huge hematoma located in the anterior superior mediastinum and a shunt between the embedding cavity of the aortic root and right atrium...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29331172/blood-phenylalanine-reduction-corrects-cns-dopamine-and-serotonin-deficiencies-and-partially-improves-behavioral-performance-in-adult-phenylketonuric-mice
#8
Shelley R Winn, Tanja Scherer, Beat Thöny, Ming Ying, Aurora Martinez, Sydney Weber, Jacob Raber, Cary O Harding
Central nervous system (CNS) deficiencies of the monoamine neurotransmitters dopamine and serotonin have been implicated in the pathophysiology of neuropsychiatric dysfunction in human phenylketonuria (PKU). In this study, we confirmed the occurrence of brain dopamine and serotonin deficiencies in association with severe behavioral alterations and cognitive impairments in hyperphenylalaninemic C57BL/6-Pahenu2/enu2 mice, a model of human PKU. Phenylalanine-reducing treatments, including either dietary phenylalanine restriction or liver-directed gene therapy, initiated during adulthood were associated with increased brain monoamine content along with improvements in nesting behavior but without a change in the severe cognitive deficits exhibited by these mice...
January 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29330687/evaluation-of-the-mitochondria-related-redox-and-bioenergetics-effects-of-gastrodin-in-sh-sy5y-cells-exposed-to-hydrogen-peroxide
#9
Marcos Roberto de Oliveira, Flávia Bittencourt Brasil, Cristina Ribas Fürstenau
Mitochondrion is the main site of ATP production in animal cells and also orchestrates signaling pathways associated with cell survival and death. Mitochondrial dysfunction has been linked to bioenergetics and redox impairment in human diseases, such as neurodegeneration and cardiovascular disease. Protective agents able to attenuate mitochondrial impairment are of pharmacological interest. Gastrodin (GAS; 4-hydroxybenzyl alcohol 4-O-beta-D-glucoside) is a phenolic glucoside obtained from the Chinese herbal medicine Gastrodia elata Blume and exhibits antioxidant, anti-inflammatory, and antiapoptotic effects in several cell types...
January 12, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29318343/short-term-progression-of-cardiometabolic-risk-factors-in-relation-to-age-at-type-2-diabetes-diagnosis-a-longitudinal-observational-study-of-100-606-individuals-from-the-swedish-national-diabetes-register
#10
Andri O Steinarsson, Araz Rawshani, Soffia Gudbjörnsdottir, Stefan Franzén, Ann-Marie Svensson, Naveed Sattar
AIMS/HYPOTHESIS: The reasons underlying a greater association of premature mortality with early-onset type 2 diabetes relative to late-onset disease are unclear. We evaluated the clinical characteristics at type 2 diabetes diagnosis and the broad trajectories in cardiometabolic risk factors over the initial years following diagnosis in relation to age at diagnosis. METHODS: Our cohort consisted of 100,606 individuals with newly diagnosed type 2 diabetes enrolled in the Swedish National Diabetes Register from 2002 to 2012...
January 9, 2018: Diabetologia
https://www.readbyqxmd.com/read/29315627/transfusion-support-for-transgender-men-of-childbearing-age
#11
James A Mays, Dina N Greene, Ryan A Metcalf, Monica B Pagano
BACKGROUND: To date, limited attention has been given to transgender recipients of blood components, particularly transgender men of childbearing age. Here, we highlight the essential information needed to provide transfusion support for this population. CASE REPORT: A 40-year-old transgender man, who retained his uterus and ovaries, presented with severe vaginal hemorrhage following biopsies for a cervical mass. He was admitted to the Gynecology unit and emergency blood was ordered...
January 7, 2018: Transfusion
https://www.readbyqxmd.com/read/29315622/patient-rescue-and-blood-utilization-in-the-ogasawara-blood-rotation-system
#12
Tomoko Igarashi, Hiroshi Fujita, Hiroyuki Asaka, Yuko Takada, Rieko Ametani, Itsuki Naya, Yasushi Tanaka, Makoto Kamesaki, Asuka Kasai
BACKGROUND: In the past, blood products were not transported to the Ogasawara Islands because of the distance; the islands are approximately 1000 km from the mainland and lack an airport. The Ogasawara Blood Rotation system involves the routine, long-distance transportation of Type O, RhD-positive, irradiated red blood cells to rescue patients with acute hemorrhage and severe anemia and to reduce wastage from the expiration of red blood cell solution. STUDY DESIGN AND METHODS: Blood transfusion and utilization in the Ogasawara blood rotation (BR) system were examined from December 2014 to March 2017...
January 7, 2018: Transfusion
https://www.readbyqxmd.com/read/29313508/evaluation-of-transfusion-practices-in-sickle-cell-disease-in-senegal-cohort-study-of-1078-patients-with-sickle-cell-disease
#13
M Seck, A Tall, B F Faye, D Sy Bah, Y Guéye, A Sall, A O Touré, S Diop
Blood transfusion is an essential therapeutic tool in the treatment of sickle cell disease. Its indications and modalities vary from one country to another as a function of the clinical severity of the disease and the availability of blood products. This study seeks to evaluate the frequency and modalities of blood transfusions as well as their indications in patients with sickle cell syndrome at the Dakar hematology department from 1995 through 2015. This retrospective study reviewed the records of a cohort of 1078 patients with SS, SC, Sβ0 and Sβ + thalassemia sickle cell syndromes and collected data about the type of blood products, indications, modalities, and acute transfusion complications...
November 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29302550/metabolic-control-targets-in-sudanese-adults-with-type-1-diabetes-a-population-based-study
#14
Ahmed O Almobarak, Sufian K Noor, Wadie M Elmadhoun, Sarra O Bushara, Reham S Salim, Sittana A Forawi, Heitham Awadalla, Einas S Elwali, Mohamed H Ahmed
Background: Type 1 diabetes is a challenging metabolic disorder for health authorities in Sudan. The objective of this study was to assess the level of glycemic control and to determine the prevalence of dyslipidemia and complications among individuals with type 1 diabetes in Sudan. Materials and Methods: Individuals with type 1 diabetes, who were having the disease for at least 1 year, were invited to participate in this study. Data were collected from two diabetes centers, in the Capital Khartoum and Atbara City, North of Sudan...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29302043/heme-oxygenase-1-genetic-variants-and-the-conundrum-of-hyperbilirubinemia-in-african-american-newborns
#15
David L Schutzman, Erica Gatien, Samuel Ajayi, Ronald J Wong
BACKGROUND: African-American (AA) infants are known to have, overall, lower bilirubin levels than infants of other ethnicities during their birth hospitalization. However, they are known to have a higher incidence of severe hyperbilirubinemia and are over represented in the US Kernicterus Registry. Heme oxygenase-1 (HO) is the rate limiting enzyme in heme metabolism leading to the equimolar production of bilirubin, carbon monoxide (CO) and free iron (Fe). Short (S) (GT)n repeats (<25) in the promoter region of the gene encoding the inducible HO-1 isozyme augment its expression, while long (L) repeats (>33) lead to an attenuation, modulating the production of bilirubin and CO...
January 4, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29301160/-pharmacotherapy-of-vestibular-disorders-nystagmus-and-cerebellar-disorders
#16
K Feil, N Böttcher, O Kremmyda, C Muth, J Teufel, A Zwergal, T Brandt, M Strupp
There are currently different groups of drugs for the pharmacotherapy of vertigo, nystagmus and cerebellar disorders: antiemetics; anti-inflammatories, antimenieres, and antimigraineous medications and antidepressants, anticonvulsants, aminopyridines as well as acetyl-DL-leucine. In acute unilateral vestibulopathy, corticosteroids improve the recovery of peripheral vestibular function, but currently there is not sufficient evidence for a general recommendation. There is insufficient evidence to support the view that 16 mg t...
January 2018: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/29299636/skeletal-muscle-insulin-resistance-is-induced-by-4-hydroxy-2-hexenal-a-by-product-of-n-3-fatty-acid-peroxidation
#17
Christophe O Soulage, Laura Sardón Puig, Laurent Soulère, Bader Zarrouki, Michel Guichardant, Michel Lagarde, Nicolas J Pillon
AIMS/HYPOTHESIS: Oxidative stress is involved in the pathophysiology of insulin resistance and its progression towards type 2 diabetes. The peroxidation of n-3 polyunsaturated fatty acids produces 4-hydroxy-2-hexenal (4-HHE), a lipid aldehyde with potent electrophilic properties able to interfere with many pathophysiological processes. The aim of the present study was to investigate the role of 4-HHE in the development of insulin resistance. METHODS: 4-HHE concentration was measured in plasma from humans and rats by GC-MS...
January 3, 2018: Diabetologia
https://www.readbyqxmd.com/read/29295870/effect-of-liraglutide-on-atrial-natriuretic-peptide-adrenomedullin-and-copeptin-in-pcos
#18
Signe Frøssing, Malin Nylander, Caroline Kistorp, Sven O Skouby, Jens Faber
CONTEXT: Women with polycystic ovary syndrome (PCOS) have an increased risk of cardiovascular disease (CVD), and biomarkers can be used to detect early subclinical CVD. Midregional-pro-adrenomedullin (MR-proADM), midregional-pro-atrial natriuretic peptide (MR-proANP) and copeptin are all associated with CVD and part of the delicate system controlling fluid and hemodynamic homeostasis through vascular tonus and diuresis. The GLP-1 receptor agonist liraglutide, developed for treatment of type 2 diabetes (T2D), improves cardiovascular outcomes in patients with T2D including a decrease in particular MR-proANP...
January 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29286515/cortisol-level-as-risk-factor-for-malignant-hematologic-pathology-in-children-exposed-to-ionizing-radiation-after-chornobyl-accident
#19
V G Bebeshko, K M Bruslova, T I Pushkareva, N M Tsvietkova, L O Lyashenko, A S Sergeeva, V F Kuzmenko, S M Iatsemyrskiy, Yu M Samson, V G Boyarsky, I V Tryhlіb
OBJECTIVE: Determination of serum cortisol level in the initial period of acute leukemia in children, who exposed to ion izing radiation and other factors of Chornobyl accident, depending on their age and prognosis of disease. MATERIALS AND METHODS: The study involved 283 children residents of Kyiv, Zhytomyr and Chernihiv regions. There were 90 acute leukemia patients(AL) (ALL - 56, AML - 34), and 193 people of comparison group with anemia, leukemoid reactions and lymphadenopathy...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
https://www.readbyqxmd.com/read/29286510/comparative-analysis-the-frequency-and-spectrum-of-chromosome-aberrations-in-irradiated-in-vitro-peripheral-blood-lymphocytes-of-the-elderly-and-centenarians-from-kyiv
#20
O O Talan, O V Shemetun, O M Demchenko, M S Papuga, M A Pilinska
OBJECTIVE: To establish and compare the frequency and spectrum of chromosome aberrations under X radiation exposure in vitro in dose 0.25 Gy peripheral blood lymphocytes of the elderly and centenarians. MATERIAL AND METHODS: Material of cytogenetic research were peripheral blood lymphocytes from 11 elderly and 10 centenarians, which were irradiated in vitro in dose 0.25 Gy and cultured by generally accepted semi micromethod; slides of metaphase chromosomes were GTG stained and analyzed under the microscope with magnification x 1000...
December 2017: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
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