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https://www.readbyqxmd.com/read/28821124/the-characterization-selenylation-and-antidiabetic-activity-of-mycelial-polysaccharides-from-catathelasma-ventricosum
#1
Yuntao Liu, Yuxian You, Yiwen Li, Lan Zhang, Leilei Yin, Yingbin Shen, Cheng Li, Hong Chen, Shujuan Chen, Bin Hu, Daiwen Chen
The mycelial polysaccharide from Catathelasma ventricosum (mCVP-1S) was found to be a heteropolysaccharide with an average size of 230kDa composed mainly of β-glucopyranosyl residues. The selenylation of mCVP-1S, performed using an HNO3-Na2SeO3 method, produced a series of selenized mCVP-1Ss (SemCVP-1Ss). Varying the reaction time, temperature and Na2SeO3 dosage altered the yield and selenium content of the SemCVP-1Ss. NMR spectra showed substitution mostly at C-6, and Congo red tests indicated excessive selenylation might destroy the triple-helical structure of SemCVP-1Ss...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820708/clinical-spectrum-etiology-and-outcome-of-neurological-disorders-in-the-rural-hospital-of-mosango-the-democratic-republic-of-congo
#2
Deby Mukendi, Jean-Roger Lilo Kalo, Alain Mpanya, Luigi Minikulu, Tharcisse Kayembe, Pascal Lutumba, Barbara Barbé, Philippe Gillet, Jan Jacobs, Harry Van Loen, Cedric P Yansouni, François Chappuis, Raffaella Ravinetto, Kristien Verdonck, Marleen Boelaert, Andrea S Winkler, Emmanuel Bottieau
There is little published information on the epidemiology of neurological disorders in rural Central Africa, although the burden is considered to be substantial. This study aimed to investigate the pattern, etiology, and outcome of neurological disorders in children > 5 years and adults admitted to the rural hospital of Mosango, province of Kwilu, Democratic Republic of Congo, with a focus on severe and treatable infections of the central nervous system (CNS). From September 2012 to January 2015, 351 consecutive patients hospitalized for recent and/or ongoing neurological disorder were prospectively evaluated by a neurologist, subjected to a set of reference diagnostic tests in blood or cerebrospinal fluid, and followed-up for 3-6 months after discharge...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28819493/-cesarean-section-in-lubumbashi-democratic-republic-of-the-congo-i-frequency-indications-and-maternal-and-perinatal-mortality
#3
Xavier Kinenkinda, Olivier Mukuku, Faustin Chenge, Prosper Kakudji, Peter Banzulu, Jean-Baptiste Kakoma, Justin Kizonde
No abstract text is available yet for this article.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819492/-labour-in-women-with-scarred-uterus-in-the-democratic-republic-of-the-congo-trial-of-scar-and-factors-influencing-the-outcome
#4
Félix Kitenge Wa Momat, Pierre Akilimali Zalagile, Faustin Chenge Mukalenge, Oscar Numbi Luboya, Cléophas Tshibangu Kalala, Désiré Mashinda, Gilles Grangé, Olivier Mukuku, Fanny Malonga Kaj, Chamy Cham Lubamba, Joseph Bagambe Bwama, Célestin Kayembe Mukoko, Jean Baptiste Kakoma, Justin Kizonde Kalungwe
OBJECTIVE: Our study aims to identify risks factors associated with failed trial of scar and to set a predictive score of labour in women with scarred uterus in the Democratic Republic of the Congo. METHODS: We conducted a multicenter cross-sectional analytic study of patients with scarred uterus in four maternity units in the Democratic Republic of the Congo (DRC) from 1 January to 31 December 2013. Logistic regression model was used to identify factors associated with failed trial of scar...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28818314/comparison-of-disaggregative-effect-of-a-type-egcg-dimer-and-egcg-monomer-on-the-preformed-bovine-insulin-amyloid-fibrils
#5
Rong-Zu Nie, Wei Zhu, Jin-Ming Peng, Zhen-Zhen Ge, Chun-Mei Li
In the present study, the disruptive effects of epigallocatechin-3-gallate (EGCG) and A-type dimeric epigallocatechin-3-gallate (A-type EGCG dimer) on the preformed bovine insulin amyloid fibrils were studied by several biophysical methods including thioflavin-T (ThT) fluorescence assay, 1-anilinonaphthalene-8-sulfonic (ANS) fluorescence assay, Congo red (CR) binding assay, dynamic light scattering (DLS), transmission electron microscopy (TEM), Gel electrophoresis (SDS-PAGE) and Bradford assay. Our results demonstrated that A-type EGCG dimer showed significantly more potential disaggregative effects on the bovine insulin amyloid fibrils than EGCG...
July 31, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28818049/post-treatment-haemolysis-in-african-children-with-hyperparasitaemic-falciparum-malaria-a-randomized-comparison-of-artesunate-and-quinine
#6
C Fanello, M Onyamboko, S J Lee, C Woodrow, S Setaphan, K Chotivanich, P Buffet, S Jauréguiberry, K Rockett, K Stepniewska, N P J Day, N J White, A M Dondorp
BACKGROUND: Parenteral artesunate is the treatment of choice for severe malaria. Recently, haemolytic anaemia occurring 1 to 3 weeks after artesunate treatment of falciparum malaria has been reported in returning travellers in temperate countries. METHODS: To assess these potential safety concerns in African children, in whom most deaths from malaria occur, an open-labelled, randomized controlled trial was conducted in Kinshasa, Democratic Republic of Congo. 217 children aged between 6 months and 14 years with acute uncomplicated falciparum malaria and parasite densities over 100,000/μL were randomly allocated to intravenous artesunate or quinine, hospitalized for 3 days and then followed for 42 days...
August 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28815023/antibiotic-resistance-ability-to-form-biofilm-and-susceptibility-to-copper-alloys-of-selected-staphylococcal-strains-isolated-from-touch-surfaces-in-polish-hospital-wards
#7
Anna Różańska, Agnieszka Chmielarczyk, Dorota Romaniszyn, Małgorzata Bulanda, Monika Walkowicz, Piotr Osuch, Tadeusz Knych
BACKGROUND: Despite the employment of sanitary regimes, contact transmission of the aetiological agents of hospital infections is still exceedingly common. The issue of microbe transmission becomes particularly important when facing multidrug-resistant microorganisms such as methicillin-resistant staphylococci. In the case of deficiencies in cleaning and disinfection procedures, hospital equipment made of copper alloys can play an important role, complementing traditional hospital hygiene procedures...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28813542/the-african-cholera-surveillance-network-africhol-consortium-meeting-10-11-june-2015-lom%C3%A3-togo
#8
Aline Munier, Berthe-Marie Njanpop-Lafourcade, Delphine Sauvageot, Raymond B Mhlanga, Léonard Heyerdahl, Johara Nadri, Richard Wood, Issaka Ouedraogo, Alexandre Blake, Laurent Akilimali Mukelenge, Jean-Claude B Anné, Abiba Banla Kere, Lucienne Dempouo, Sakoba Keita, José P M Langa, Issa Makumbi, Elibariki R Mwakapeje, Ian J Njeru, Olubunmi E Ojo, Isaac Phiri, Lorenzo Pezzoli, Bradford D Gessner, Martin Mengel
The fifth annual meeting of the African cholera surveillance network (Africhol) took place on 10-11 June 2015 in Lomé, Togo. Together with international partners, representatives from the 11 member countries -Cameroon, Côte d'Ivoire, Democratic Republic of Congo, Guinea, Kenya, Mozambique, Nigeria, Tanzania, Togo, Uganda, Zimbabwe- and an invited country (Malawi) shared their experience. The meeting featured three sessions: i) cholera surveillance, prevention and control in participating countries, ii) cholera surveillance methodology, such as cholera mapping, cost-effectiveness studies and the issue of overlapping epidemics from different diseases, iii) cholera laboratory diagnostics tools and capacity building...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/28807191/cognitive-and-motor-performance-in-congolese-children-with-konzo-during-4-years-of-follow-up-a-longitudinal-analysis
#9
Michael J Boivin, Daniel Okitundu, Bumoko Makila-Mabe, Marie-Therese Sombo, Dieudonne Mumba, Alla Sikorskii, Banea Mayambu, Desire Tshala-Katumbay
BACKGROUND: Konzo is an irreversible upper-motor neuron disorder affecting children dependent on bitter cassava for food. The neurocognitive ability of children with konzo over time has yet to be fully documented. METHODS: We did a longitudinal study in a konzo outbreak zone continuously affected by konzo since 1990, in the district of Kahemba, southern Bandundu Province, Congo. We enrolled children with a record of neurological diagnosis of konzo in Kahemba town...
September 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28807019/barriers-and-facilitators-to-the-implementation-of-antenatal-syphilis-screening-and-treatment-for-the-prevention-of-congenital-syphilis-in-the-democratic-republic-of-congo-and-zambia-results-of-qualitative-formative-research
#10
Dalau Nkamba, Musaku Mwenechanya, Arlette Mavila Kilonga, Maria Luisa Cafferata, Amanda Mabel Berrueta, Agustina Mazzoni, Fernando Althabe, Ezequiel Garcia-Elorrio, Antoniette K Tshefu, Elwyn Chomba, Pierre M Buekens, Maria Belizan
BACKGROUND: The impact of untreated syphilis during pregnancy on neonatal health remains a major public health threat worldwide. Given the high prevalence of syphilis during pregnancy in Zambia and Democratic Republic of Congo (DRC), the Preventive Congenital Syphilis Trial (PCS Trial), a cluster randomized trial, was proposed to increase same-day screening and treatment of syphilis during antenatal care visits. To design an accepted and feasible intervention, we conducted a qualitative  formative research...
August 14, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28803883/the-provision-of-emergency-contraception-in-kinshasa-s-private-sector-pharmacies-experiences-of-mystery-clients
#11
Julie H Hernandez, Mbadu Muanda Fidèle, Mélissa Garcia, Annie Glover
OBJECTIVES: Recent programmatic and research efforts on addressing gaps in health systems of low-income countries increasingly see task shifting, i.e. the provision of healthcare by non-medically trained personnel, as a possible solution to increase the availability of specific services and commodities. In Kinshasa, private-sector pharmacies are the primary and preferred provider of family planning (FP) methods, and thus constitute a potential resource for expanding access to specific contraceptives...
August 10, 2017: Contraception
https://www.readbyqxmd.com/read/28802308/vitreous-amyloidosis-with-autonomic-neuropathy-of-the-digestive-tract-associated-with-a-novel-transthyretin-p-gly87arg-variant-in-a-bangladeshi-patient-a-case-report
#12
Benjamin Terrier, Magali Colombat, Caroline Beugnet, Astrid Quéant, Jonathan London, Jean-Baptiste Daudin, Claire Le Jeunne, Luc Mouthon, Dominique Monnet, Cécile Cauquil, Catherine Lacroix, David Adams, Antoine Brézin, Sophie Valleix
BACKGROUND: Hereditary transthyretin amyloidosis is an autosomal dominant inherited disorder, first described in families with sensorimotor and autonomic neuropathy. Since its first description, more than 120 amyloidogenic transthyretin mutations have been reported with various geographic distributions and associated with a wide range of phenotypes involving the peripheral nerve, the heart, the gastrointestinal tract, the eyes, the central nervous system, or the kidneys. In some cases of transthyretin amyloidosis, the first clinical manifestation is vitreous opacity...
August 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28798736/escherichia-coli-o157-h7-acid-sensitivity-correlates-with-flocculation-phenotype-during-nutrient-limitation
#13
Kathryn L Kay, Frederick Breidt, Pina M Fratamico, Gian M Baranzoni, Gwang-Hee Kim, Amy M Grunden, Deog-Hwan Oh
Shiga toxin producing Escherichia coli (STEC) strains vary in acid resistance; however, little is known about the underlying mechanisms that result in strain specific differences. Among 25 STEC O157:H7 strains tested, 7 strains flocculated when grown statically for 18 h in minimal salts medium at 37°C, while 18 strains did not. Interestingly, the flocculation phenotype (cells came out of suspension) was found to correlate with degree of acid sensitivity in an assay with 400 mM acetic acid solution at pH 3...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28798722/autonomic-neuropathy-and-albuminocytologic-dissociation-in-cerebrospinal-fluid-as-the-presenting-features-of-primary-amyloidosis-a-case-report
#14
Jingjing Li, Yi Li, Hongbing Chen, Shihui Xing, Huiyu Feng, Dawei Liu, Dilong Wang, Jinsheng Zeng, Yuhua Fan
OBJECTIVE: Primary amyloidosis is a disease with a poor prognosis and multi-organ involvement. Here, we report the clinical and pathological features of a patient with primary amyloidosis featuring autonomic neuropathy as the initial symptom and albuminocytologic dissociation in the cerebrospinal fluid (CSF). METHODS: The patient was a 60-year-old Chinese male with numbness, orthostatic hypotension, and gastrointestinal symptoms. For diagnosis, we performed an electromyogram (EMG), lumbar puncture, Bence Jones protein urine test, serum electrophoresis blood test, sural nerve and rectal membrane biopsies, transthyretin (TTR) gene sequencing, and bone marrow puncture...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28796568/contribution-of-human-smooth-muscle-cells-to-amyloid-angiopathy-in-al-light-chain-amyloidosis
#15
Moiz Vora, Christopher G Kevil, Guillermo A Herrera
OBJECTIVE: Amyloid light-chain (AL) amyloidosis is a disease process that often compromises the peripheral vascular system and leads to systemic end-organ dysfunction. Although amyloid formation in vessel walls is a multifaceted process, the assembly of the native light chains (LCs) into amyloid fibrils is central to its pathogenesis. Recent evidence suggests that endocytosis and endolysosomal processing of immunoglobin LCs by host cells is essential to the formation of amyloid fibrils that are deposited in at least some tissues...
August 10, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28796539/carbonic-anhydrase-i-ii-autoantibodies-and-oxidative-status-in-long-term-follow-up-of-patients-with-crimean-congo-haemorrhagic-fever
#16
Hülya Yilmaz, Uğur Kostakoğlu, Selim Demir, Firdevs Aksoy, Ahmet Menteşe, Süleyman Caner Karahan, İftihar Köksal, Ahmet Alver, Gürdal Yilmaz
CONTEXT: Crimean-Congo haemorrhagic fever (CCHF) is a life-threatening acute febrile haemorrhagic disease. OBJECTIVE: This study was to measure levels of the oxidative stress biomarkers malondialdehyde (MDA), total oxidant status (TOS), total antioxidant status (TAS) and oxidative stress index (OSI) and of CA I-II autoantibodies as biomarkers for autoimmunity and course of disease in patients with CCHF. METHODS: Seventy CCHF patients and 39 healthy control volunteers were included in the study...
August 10, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28795815/monitoring-early-stage-protein-aggregation-by-an-aggregation-induced-emission-fluorogen
#17
Manjeet Kumar, Yuning Hong, David C Thorn, Heath Ecroyd, John A Carver
Highly ordered protein aggregates, termed amyloid fibrils, are associated with a broad range of diseases, many of which are neurodegenerative, for example Alzheimer's and Parkinson's. The transition from soluble, functional protein into insoluble amyloid fibril occurs via a complex process involving the initial generation of highly dynamic early-stage aggregates or prefibrillar species. Amyloid probes, for example thioflavin T and Congo red, have been used for decades as the gold standard for detecting amyloid fibrils in solution and tissue sections...
August 10, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28794012/surgeon-major-thomas-heazle-parke-1857-1893-irish-doctor-soldier-and-explorer
#18
EDITORIAL
Andrew Parke
Surgeon Major Thomas Heazle Parke (1857-1893) was a doctor from Drumsna, County Roscommon, who after completing his education at the Royal College of Surgeons in Ireland joined the British army as a medical officer. After several years of serving in Ireland and Egypt, he volunteered to be medical officer of the Emin Pasha Relief Expedition of 1887-1889. This was to become Henry Morton Stanley's largest, longest and most controversial African expedition. The epic journey saw Stanley, his eight European officers and 800 African porters take almost 3 years to cross the African continent from West to East via the Congo River, Southern Sudan and Uganda...
August 8, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28793850/glycation-oxidation-and-glycoxidation-of-igg-a-biophysical-biochemical-immunological-and-hematological-study
#19
Sidra Islam, Moinuddin, Abdul Rouf Mir, Alok Raghav, Safia Habib, Khursheed Alam, Asif Ali
Glycation and oxidation induce structural alterations in the proteins in an inter-dependent manner with consequent pathological implications. The published literature presents wide range of modifications in conformational characteristics of proteins by glycation and oxidation; however, there is little data that could elaborate the cumulative effect of both the processes. This study has analysed the modifications in IgG by methylglyoxal (MG) (glycative stress), hydroxyl radical (OH(•)) (oxidative stress) and by their combined action i...
August 9, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28792073/monitoring-and-reporting-attacks-on-education-in-the-democratic-republic-of-the-congo-and-somalia
#20
Cyril Bennouna, Elburg van Boetzelaer, Lina Rojas, Kinyera Richard, Gang Karume, Marius Nshombo, Leslie Roberts, Neil Boothby
The United Nations' Monitoring and Reporting Mechanism is charged with documenting six grave violations against children in a time of conflict, including attacks on schools. Many of these incidents, however, remain unreported across the globe. This study explores whether or not a local knowledge base of education and child protection actors in North and South Kivu Provinces, Democratic Republic of the Congo, and in Mogadishu, Somalia, could contribute to a more complete record of attacks on education in those areas...
August 9, 2017: Disasters
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