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https://www.readbyqxmd.com/read/27920569/does-calcium-channel-blockade-have-a-role-in-prevention-of-expression-of-sepsis-in-renal-transplant-recipients
#1
REVIEW
John A D'Elia, Ray E Gleason, Anthony P Monaco, Larry A Weinrauch
Many antihypertensive agents have been demonstrated to assist in preservation of kidney function, among them those that modulate calcium channels. Calcium channel blockers may also be of value in protecting hemodialysis patients from complications of sepsis. In diabetic recipients of kidney transplant allografts treated with cyclosporine, calcium channel blockade has been retrospectively linked to improved graft preservation and to fewer episodes of sepsis. This brief review outlines clinical and experimental publications on potential protection from sepsis by addition of calcium channel blockers to standard antibiotic therapy in individuals who may or may not have normal kidney function, or in the presence or absence of immunosuppression...
2016: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/27918238/genome-wide-mirnas-expression-profiles-of-schistosoma-japonicum-schistosomula-in-response-to-artesunate
#2
Qing-Ming Kong, Xiao Zhu, Qun-Bo Tong, Bin Zheng, Na-Yu Shi, Di Lou, Jian-Zu Ding, Jian-Ping Jia, Xiao-Heng Chen, Rui Chen, Shao-Hong Lu
AIM: miRNAs play a significant role in pharmacogenomics and are likely to be important in the molecular mechanism of atesunate (ART) effects on Schistosoma japonicum. METHODS: We sequenced the RNAs using an Illumina (Solexa) DNA sequencer and compared the relative expression levels of the miRNAs in 10-day-old schistosomula from ART and the parallel control group. RESULTS: We characterized 95 known miRNAs from S. japonicum schistosomula individuals, including 38 novel miRNA families...
December 5, 2016: Pharmacogenomics
https://www.readbyqxmd.com/read/27904959/differential-pulmonic-nk-and-nkt-cell-responses-in-schistosoma-japonicum-infected-mice
#3
Hefei Cha, Wenjuan Qin, Quan Yang, Hongyan Xie, Jiale Qu, Mei Wang, Daixiong Chen, Fang Wang, Nuo Dong, Longhua Chen, Jun Huang
Natural killer cells (NK cells) and natural killer T cells (NKT cells) play a role in anti-infection, anti-tumor, transplantation immunity, and autoimmune regulation. However, the role of NK and NKT cells during Schistosoma japonicum (S. japonicum) infection has not been widely reported, especially regarding lung infections. The aim of this study was to research the NK and NKT cell response to S. japonicum infection in the lungs of mice. Using immunofluorescent histological analysis, NK and NKT cells were found near pulmonary granulomas...
November 30, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27903301/high-prevalence-of-strongyloides-stercoralis-in-school-aged-children-in-a-rural-highland-of-north-western-ethiopia-the-role-of-intensive-diagnostic-work-up
#4
Aranzazu Amor, Esperanza Rodriguez, José M Saugar, Ana Arroyo, Beatriz López-Quintana, Bayeh Abera, Mulat Yimer, Endalew Yizengaw, Derejew Zewdie, Zimman Ayehubizu, Tadesse Hailu, Wondemagegn Mulu, Adriana Echazú, Alejandro J Krolewieki, Pilar Aparicio, Zaida Herrador, Melaku Anegagrie, Agustín Benito
BACKGROUND: Soil-transmitted helminthiases (hookworms, Ascaris lumbricoides and Trichuris trichiura) are extremely prevalent in school-aged children living in poor sanitary conditions. Recent epidemiological data suggest that Strongyloides stercoralis is highly unreported. However, accurate data are essential for conducting interventions aimed at introducing control and elimination programmes. METHODS: We conducted a cross-sectional survey of 396 randomly selected school-aged children in Amhara region in rural area in north-western Ethiopia, to assess the prevalence of S...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27903067/predicting-the-spatial-distribution-of-biomphalaria-straminea-a-potential-intermediate-host-for-schistosoma-mansoni-in-china
#5
Mohamed R Habib, Yun-Hai Guo, Shan Lv, Wen-Biao Gu, Xiao-Heng Li, Xiao-Nong Zhou
Schistosomiasis is one of the most prevalent parasitic diseases impacting human health in the tropics and sub-tropics. The geographic distribution of Schistosoma mansoni, the most widespread species, includes areas in Africa, the Middle East, South America and the Caribbean. Snails of the genus Biomphalaria act as intermediate host for S. mansoni. Biomphalaria straminea is not indigenous in China but was accidentally introduced to Hong Kong from South America and has spread to other habitats in the southern parts of the country...
November 29, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27903066/the-spatio-temporal-distribution-of-oncomelania-hupensis-along-yangtze-river-in-jiangsu-province-china-after-implementation-of-a-new-integrated-schistosomiasis-control-strategy
#6
Jian He, Wei Li, Robert Bergquist, Jian-Feng Zhang, Liang Shi, Song Zhao, Feng Wu, Kun Yang
This study concerns an integrated strategy of schistosomiasis control, focusing on the management and elimination of the main transmission cycles and reservoirs along Yangtze river, Jiangsu Province (China), instituted in 2004. Our analysis, including mapping, spatial autocorrelation and spatio-temporal scanning, was implemented between 2001 and 2013 to explore the changes in the distribution of Oncomelania hupensis, the intermediate host of Schistosoma japonicum. Two high-density snail locations in the upper and middle reaches of the river were observed along with one high-risk area due to infected snails in the upper reaches at the beginning of the study period...
November 29, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27884378/purinergic-signaling-in-schistosomal-infection
#7
REVIEW
Claudia Lucia Martins Silva
Human schistosomiasis is a chronic inflammatory disease caused by blood fluke worms belonging to the genus Schistosoma. Health metrics indicate that the disease is related to an elevated number of years lost-to-disability and years lost-to-life. Schistosomiasis is an intravascular disease that is related to a Th1 and Th2 immune response polarization, and the degree of polarization affects the outcome of the disease. The purinergic system is composed of adenosine and nucleotides acting as key messenger molecules...
October 2016: Biomedical Journal
https://www.readbyqxmd.com/read/27882738/schistosoma-haematobium-infection-is-associated-with-increased-urine-foam
#8
Johnathan M Sheele, Sarah Baddorf, Jimmy H Kihara
We compared urine microscopy and dipstick results for urine foam from 59 children in a Schistosoma haematobium-endemic area in a blinded manner. The sensitivity and specificity, respectively, for diagnosing S. haematobium compared with microscopy was: 74% and 72% for the shake test; 61% and 97% for microscopic hematuria; and 43% and 83% for proteinuria. When >17 eggs/10 mL urine was detected on microscopy, the sensitivity and specificity, respectively, were: 100% and 72% for the shake test; 90% and 97% for microscopic hematuria; and 80% and 83% for proteinuria...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27881115/intestinal-polyparasitism-with-special-emphasis-to-soil-transmitted-helminths-among-residents-around-gilgel-gibe-dam-southwest-ethiopia-a-community-based-survey
#9
Zeleke Mekonnen, Sultan Suleman, Abdissa Biruksew, Tamirat Tefera, Legese Chelkeba
BACKGROUND: One third of the world population is estimated to be infected with intestinal parasites. The most affected people are children and the poor people living in tropics and subtropics. Polyparasitism (the concurrent infection with multiple intestinal parasite species) is found to be the norm among the same population although accurate estimate of its magnitude is unknown. It was found that polyparasitism might have a greater impact on morbidity than single species infection which might also increase susceptibility to other infections...
November 23, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27880808/natural-schistosoma-mansoni-infection-in-the-wild-reservoir-nectomys-squamipes-leads-to-excessive-lipid-droplet-accumulation-in-hepatocytes-in-the-absence-of-liver-functional-impairment
#10
Kátia B Amaral, Thiago P Silva, Kássia K Malta, Lívia A S Carmo, Felipe F Dias, Mariana R Almeida, Gustavo F S Andrade, Jefferson S Martins, Roberto R Pinho, Sócrates F Costa-Neto, Rosana Gentile, Rossana C N Melo
Schistosomiasis is a neglected tropical disease of a significant public health impact. The water rat Nectomys squamipes is one of the most important non-human hosts in the schistosomiasis mansoni transmission in Brazil, being considered a wild reservoir. Cellular mechanisms that contribute to the physiological adaptation of this rodent to the Schistosoma mansoni parasite are poorly understood. Here we identified, for the first time, that a hepatic steatosis, a condition characterized by excessive lipid accumulation with formation of lipid droplets (LDs) within hepatocytes, occurs in response to the natural S...
2016: PloS One
https://www.readbyqxmd.com/read/27876966/evaluation-of-sodium-fluoride-toxicity-in-schistosoma-infected-snails-assessment-of-antioxidants-antiapoptotic-hypoprotein-and-hypocholesterol-activities
#11
Khaled M M Koriem, Radziyah B Shamsuri, Asliza M Ubaidillah
The snails' tissues represents an intermediate or secondary host for Schistosoma sporocysts where, germ cells within the secondary sporocyst begin to divide to produce thousands of cercariae capable of infecting humans. The aim of the study was to evaluate the toxicity of sodium fluoride in Schistosoma snails' tissue homogenates. A total number of 264 different Schistosoma snails were collected from eight drainage water resources and divided into control uninfected and infected snails; where infected snails divided into four group; the first group without any treatment while second, third and fourth groups immersed in 25, 50 and 100 mg sodium fluoride/L during the period of 4 weeks then the snails' hemolymph and tissue homogenates were prepared to evaluate the snail' tissue antioxidants, protein content, lipid profile and apoptosis...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876944/seasonal-incidence-of-parasitic-diseases-in-bovines-of-south-western-gujarat-junagadh-india
#12
Binod Kumar, B R Maharana, Amit Prasad, Joice P Joseph, Bhavika Patel, J S Patel
The current study was conducted to investigate the incidence of parasitic diseases in bovines which were sick and brought at veterinary hospital for treatment. A total of 366 samples were investigated from cattle (n = 175) and buffaloes (n = 191) presented at Teaching Veterinary Clinical Complex (TVCC), Veterinary College, Junagadh, Gujarat during January to December 2014. Examination of Giemsa-stained peripheral blood smears exhibited that 58.6 % of cattle and 41.2 % of buffaloes were infected with haemoparasites comprising Babesia bigemina, Theileria annulata, and Anaplasma marginale @ of 54...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876925/therapeutic-effect-of-arctium-lappa-in-schistosoma-haematobium-associated-kidney-disturbance-biochemical-and-molecular-effects
#13
Khaled M M Koriem, Zulzamri H Idris, Hasniza F Haron, Nurulhuda A Omar, Halita S Lazain
Schistosoma haematobium (S. haematobium) infection has been found to be strongly associated with bladder cancer, which necessitates for discover of a natural new therapeutic agent. The aim of this study was to evaluate the therapeutic effect of Arctium lappa seed extract in S. haematobium associated kidney disturbance. Forty male albino mice were used and divided into four equal groups; group 1 control includes non-infected healthy mice, groups 2, 3 and 4 subcutaneous infected with S. haematobium cercariae...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876913/circulating-cathodic-antigen-cassette-test-versus-haematuria-strip-test-in-diagnosis-of-urinary-schistosomiasis
#14
Azza S El-Ghareeb, Ghada S Abd El Motaleb, Nevien Maher Waked, Nancy Osman Hany Kamel, Nagwa Shaban Aly
Urinary schistosomiasis caused by Schistosoma haematobium constitutes a major public health problem in many tropical and sub-tropical countries. This study was conducted to evaluate circulating cathodic antigen cassette test and haematuria strip test for detection of S. haematobium in urine samples and to evaluate their screening performance among the study population. Microscopy was used as a gold standard. A total of 600 urine samples were examined by microscopy for detection of S. haematobium eggs, screened for microhaematuria using Self-Stik reagent strips and screened for circulating cathodic antigen (CCA) using the urine-CCA cassette test...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876076/bladder-outlet-obstruction-a-rare-complication-of-the-neglected-schistosome-schistosoma-haematobium-two-case-reports-and-public-health-challenges
#15
Valirie Ndip Agbor, Tsi Njim, Franklin Ngu Mbolingong
BACKGROUND: Schistosomiasis is a severe parasitic infestation with debilitating complications and is the third most devastating tropical disease in the world. It is one of the neglected tropical diseases (NTDs) with a high disease-burden. We present two rare cases of bladder outlet obstruction: one which led to a chronic kidney disease and ultimately death and a second which recovered after treatment with praziquantel. CASE PRESENTATIONS: A 72 year old male presented with lower urinary tract symptoms which culminated in an episode of acute urinary retention...
November 22, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27875592/curcumin-generates-oxidative-stress-and-induces-apoptosis-in-adult-schistosoma-mansoni-worms
#16
Daniela de Paula Aguiar, Mayara Brunetto Moreira Moscardini, Enyara Rezende Morais, Renato Graciano de Paula, Pedro Manuel Ferreira, Ana Afonso, Silvana Belo, Amanda Tomie Ouchida, Carlos Curti, Wilson Roberto Cunha, Vanderlei Rodrigues, Lizandra Guidi Magalhães
Inducing apoptosis is an interesting therapeutic approach to develop drugs that act against helminthic parasites. Researchers have investigated how curcumin (CUR), a biologically active compound extracted from rhizomes of Curcuma longa, affects Schistosoma mansoni and several cancer cell lines. This study evaluates how CUR influences the induction of apoptosis and oxidative stress in couples of adult S. mansoni worms. CUR decreased the viability of adult worms and killed them. The tegument of the parasite suffered morphological changes, the mitochondria underwent alterations, and chromatin condensed...
2016: PloS One
https://www.readbyqxmd.com/read/27875565/inhibition-of-notch-signaling-attenuates-schistosomiasis-hepatic-fibrosis-via-blocking-macrophage-m2-polarization
#17
Shaoping Zheng, Peige Zhang, Yixiong Chen, Shaojiang Zheng, Liping Zheng, Zhihong Weng
Macrophages play a key role in the pathogenesis of liver granuloma and fibrosis in schistosomiasis. However, the underlying mechanisms have not been fully characterized. This study revealed that the macrophages infiltrating the liver tissues in a murine model of Schistosoma japonica infection exhibited M2 functional polarization, and Notch1/Jagged1 signaling was significantly upregulated in the M2 polarized macrophages in vivo and in vitro. Furthermore, the blockade of Notch signaling pathway by a γ-secretase inhibitor could reverse macrophage M2 polarization in vitro and alleviate liver granuloma and fibrosis in the murine model of schistosomiasis...
2016: PloS One
https://www.readbyqxmd.com/read/27871882/schistosomal-derived-lysophosphatidylcholine-triggers-m2-polarization-of-macrophages-through-ppar%C3%AE-dependent-mechanisms
#18
Leonardo Santos Assunção, Kelly G Magalhães, Alan Brito Carneiro, Raphael Molinaro, Patrícia E Almeida, Georgia C Atella, Hugo C Castro-Faria-Neto, Patrícia T Bozza
Mansonic schistosomiasis is a disease caused by the trematode Schistosoma mansoni, endemic to tropical countries. S. mansoni infection induces the formation of granulomas and potent polarization of Th2-type immune response. There is great interest in understanding the mechanisms used by this parasite that causes a modulation of the immune system. Recent studies from our group demonstrated that lipids of S. mansoni, including lysophosphatidylcholine (LPC) have immunomodulatory activity. In the present study, our aim was to investigate the role of lipids derived from S...
November 15, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27861520/a-genome-wide-comparison-to-identify-markers-to-differentiate-the-sex-of-larval-stages-of-schistosoma-haematobium-schistosoma-bovis-and-their-respective-hybrids
#19
Julien Kincaid-Smith, Jérôme Boissier, Jean-François Allienne, Ana Oleaga, Félicité Djuikwo-Teukeng, Eve Toulza
For scientists working on gonochoric organisms, determining sex can be crucial for many biological questions and experimental studies, such as crossbreeding, but it can also be a challenging task, particularly when no sexual dimorphism is visible or cannot be directly observed. In metazoan parasites of the genus Schistosoma responsible for schistosomiasis, sex is genetically determined in the zygote with a female heterogametic ZW/ZZ system. Adult flukes have a pronounced sexual dimorphism, whereas the sexes of the larval stages are morphologically indistinguishable but can be distinguished uniquely by using molecular methods...
November 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27854250/association-of-urogenital-symptoms-with-history-of-water-contact-in-young-women-in-areas-endemic-for-s-haematobium-a-cross-sectional-study-in-rural-south-africa
#20
Hashini Nilushika Galappaththi-Arachchige, Ingrid Elise Amlie Hegertun, Sigve Holmen, Erik Qvigstad, Elisabeth Kleppa, Motshedisi Sebitloane, Patricia Doris Ndhlovu, Birgitte Jyding Vennervald, Svein Gunnar Gundersen, Myra Taylor, Eyrun Floerecke Kjetland
Female genital schistosomiasis is a neglected tropical disease caused by Schistosoma haematobium. Infected females may suffer from symptoms mimicking sexually transmitted infections. We explored if self-reported history of unsafe water contact could be used as a simple predictor of genital schistosomiasis. In a cross-sectional study in rural South Africa, 883 sexually active women aged 16-22 years were included. Questions were asked about urogenital symptoms and water contact history. Urine samples were tested for S...
November 14, 2016: International Journal of Environmental Research and Public Health
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