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https://www.readbyqxmd.com/read/28526730/a-targeted-capture-linkage-map-anchors-the-genome-of-the-schistosomiasis-vector-snail-biomphalaria-glabrata
#1
Jacob A Tennessen, Stephanie R Bollmann, Michael S Blouin
The aquatic planorbid snail Biomphalaria glabrate is one of the most intensively-studied mollusks due to its role in the transmission of schistosomiasis. Its 916 Mb genome has recently been sequenced and annotated, but it remains poorly assembled. Here we used targeted capture markers to map over 10,000 B. glabrate scaffolds in a linkage cross of 94 F1 offspring, generating 24 linkage groups. We added additional scaffolds to these linkage groups based on linkage disequilibrium analysis of targeted capture and whole-genome sequences of 96 unrelated snails...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28523621/ecotoxicological-assessment-of-the-impact-of-fluoride-f-and-turbidity-on-the-freshwater-snail-physella-acuta-in-a-polluted-river-receiving-an-industrial-effluent
#2
Julio A Camargo, Álvaro Alonso
We carried out field studies and laboratory experiments to assess the impact of fluoride (F(-)) and turbidity on the freshwater snail Physella acuta in a polluted river receiving an industrial effluent (the middle Duraton River, Central Spain). Fluoride concentrations and turbidity levels significantly increased downstream from the industrial effluent (with the highest values being 0.6 mg F(-)/L and 55.2 nephelometric turbidity unit). In addition, higher deposition of fine inorganic matter was evident at polluted sampling sites...
May 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28523581/human-adenovirus-in-tissues-of-freshwater-snails-living-in-contaminated-waters
#3
J S Gularte, R Staggemeier, M Demoliner, T M S Heck, F H Heldt, R G F Ritzel, C Rigotto, A Henzel, F R Spilki
Human adenovirus (HAdV) is resistant to environment and can be used as a marker to detect fecal contamination. Considering the importance of freshwater snails in the aquatic environment, their use as concentrators for HAdV is a complementary tool for viral analysis of water. The goal of the study was to detect HAdV in snails and surface water collected from wetlands of the Sinos River (Rio Grande do Sul, Brazil) basin and to compare rates and viral loads found in both samples. HAdV was detected through real-time PCR...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28522946/parthenolide-promotes-apoptotic-cell-death-and-inhibits-the-migration-and-invasion-of-sw620-cells
#4
Yu Chuan Liu, Se Lim Kim, Young Ran Park, Soo-Teik Lee, Sang Wook Kim
BACKGROUND/AIMS: Parthenolide (PT), a principle component derived from feverfew (Tanacetum parthenium), is a promising anticancer agent and has been shown to promote apoptotic cell death in various cancer cells. In this study, we focused on its functional role in apoptosis, migration, and invasion of human colorectal cancer (CRC) cells. METHODS: SW620 cells were employed as representative human CRC cells. We performed the MTT assay and cell cycle analysis to measure apoptotic cell death...
April 2017: Intestinal Research
https://www.readbyqxmd.com/read/28520808/proteomic-analysis-of-biomphalaria-glabrata-plasma-proteins-with-binding-affinity-to-those-expressed-by-early-developing-larval-schistosoma-mansoni
#5
Xiao-Jun Wu, Nathalie Dinguirard, Grzegorz Sabat, Hong-di Lui, Laura Gonzalez, Michael Gehring, Utibe Bickham-Wright, Timothy P Yoshino
Interactions between early developing Schistosoma mansoni larval stages and the hemolymph of its snail intermediate host represent the first molecular encounter with the snail's immune system. To gain a more comprehensive understanding of this early parasite-host interaction, biotinylated sporocyst tegumental membrane (Mem) proteins and larval transformation proteins (LTP) were affixed to streptavidin-agarose beads and used as affinity matrices to enrich for larval-reactive plasma proteins from susceptible (NMRI) and resistant (BS-90) strains of the snail Biomphalaria glabrata...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28518406/host-density-increases-parasite-recruitment-but-decreases-host-risk-in-a-snail-trematode-system
#6
J C Buck, R F Hechinger, A C Wood, T E Stewart, A M Kuris, K D Lafferty
Most species aggregate in local patches. High host density in patches increases contact rate between hosts and parasites, increasing parasite transmission success. At the same time, for environmentally-transmitted parasites, high host density can decrease infection risk to individual hosts, because infective stages are divided among all hosts in a patch, leading to safety in numbers. We tested these predictions using the California horn snail, Cerithideopsis californica (=Cerithidea californica), which is the first intermediate host for at least 19 digenean trematode species in California estuaries...
May 18, 2017: Ecology
https://www.readbyqxmd.com/read/28510608/the-biomphalaria-glabrata-dna-methylation-machinery-displays-spatial-tissue-expression-is-differentially-active-in-distinct-snail-populations-and-is-modulated-by-interactions-with-schistosoma-mansoni
#7
Kathrin K Geyer, Umar H Niazi, David Duval, Céline Cosseau, Chad Tomlinson, Iain W Chalmers, Martin T Swain, David J Cutress, Utibe Bickham-Wright, Sabrina E Munshi, Christoph Grunau, Timothy P Yoshino, Karl F Hoffmann
BACKGROUND: The debilitating human disease schistosomiasis is caused by infection with schistosome parasites that maintain a complex lifecycle alternating between definitive (human) and intermediate (snail) hosts. While much is known about how the definitive host responds to schistosome infection, there is comparably less information available describing the snail's response to infection. METHODOLOGY/PRINCIPLE FINDINGS: Here, using information recently revealed by sequencing of the Biomphalaria glabrata intermediate host genome, we provide evidence that the predicted core snail DNA methylation machinery components are associated with both intra-species reproduction processes and inter-species interactions...
May 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28508897/whole-genome-analysis-of-a-schistosomiasis-transmitting-freshwater-snail
#8
Coen M Adema, LaDeana W Hillier, Catherine S Jones, Eric S Loker, Matty Knight, Patrick Minx, Guilherme Oliveira, Nithya Raghavan, Andrew Shedlock, Laurence Rodrigues do Amaral, Halime D Arican-Goktas, Juliana G Assis, Elio Hideo Baba, Olga L Baron, Christopher J Bayne, Utibe Bickham-Wright, Kyle K Biggar, Michael Blouin, Bryony C Bonning, Chris Botka, Joanna M Bridger, Katherine M Buckley, Sarah K Buddenborg, Roberta Lima Caldeira, Julia Carleton, Omar S Carvalho, Maria G Castillo, Iain W Chalmers, Mikkel Christensens, Sandra Clifton, Celine Cosseau, Christine Coustau, Richard M Cripps, Yesid Cuesta-Astroz, Scott F Cummins, Leon di Stephano, Nathalie Dinguirard, David Duval, Scott Emrich, Cédric Feschotte, Rene Feyereisen, Peter FitzGerald, Catrina Fronick, Lucinda Fulton, Richard Galinier, Sandra G Gava, Michael Geusz, Kathrin K Geyer, Gloria I Giraldo-Calderón, Matheus de Souza Gomes, Michelle A Gordy, Benjamin Gourbal, Christoph Grunau, Patrick C Hanington, Karl F Hoffmann, Daniel Hughes, Judith Humphries, Daniel J Jackson, Liana K Jannotti-Passos, Wander de Jesus Jeremias, Susan Jobling, Bishoy Kamel, Aurélie Kapusta, Satwant Kaur, Joris M Koene, Andrea B Kohn, Dan Lawson, Scott P Lawton, Di Liang, Yanin Limpanont, Sijun Liu, Anne E Lockyer, TyAnna L Lovato, Fernanda Ludolf, Vince Magrini, Donald P McManus, Monica Medina, Milind Misra, Guillaume Mitta, Gerald M Mkoji, Michael J Montague, Cesar Montelongo, Leonid L Moroz, Monica C Munoz-Torres, Umar Niazi, Leslie R Noble, Francislon S Oliveira, Fabiano S Pais, Anthony T Papenfuss, Rob Peace, Janeth J Pena, Emmanuel A Pila, Titouan Quelais, Brian J Raney, Jonathan P Rast, David Rollinson, Izinara C Rosse, Bronwyn Rotgans, Edwin J Routledge, Kathryn M Ryan, Larissa L S Scholte, Kenneth B Storey, Martin Swain, Jacob A Tennessen, Chad Tomlinson, Damian L Trujillo, Emanuela V Volpi, Anthony J Walker, Tianfang Wang, Ittiprasert Wannaporn, Wesley C Warren, Xiao-Jun Wu, Timothy P Yoshino, Mohammed Yusuf, Si-Ming Zhang, Min Zhao, Richard K Wilson
Biomphalaria snails are instrumental in transmission of the human blood fluke Schistosoma mansoni. With the World Health Organization's goal to eliminate schistosomiasis as a global health problem by 2025, there is now renewed emphasis on snail control. Here, we characterize the genome of Biomphalaria glabrata, a lophotrochozoan protostome, and provide timely and important information on snail biology. We describe aspects of phero-perception, stress responses, immune function and regulation of gene expression that support the persistence of B...
May 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28508744/overexpression-of-human-papillomavirus-type-16-oncoproteins-enhances-epithelial-mesenchymal-transition-via-stat3-signaling-pathway-in-non-small-cell-lung-cancer-cells
#9
Wenzhang Zhang, Xin Wu, Liang Hu, Yuefan Ma, Zihan Xiu, Bingyu Huang, Yun Feng, Xudong Tang
Human papillomavirus (HPV) infection may be associated with the development and progression of non-small cell lung cancer (NSCLC). However, the role of HPV-16 oncoproteins in the development and progression of NSCLC is not completely clear. Epithelial-mesenchymal transition (EMT), a crucial step for invasion and metastasis, plays a key role in the development and progression of NSCLC. Here, we explored the effect of HPV-16 oncoproteins on EMT and the underlying mechanisms. NSCLC cell lines, A549 and NCI-H460, were transiently transfected with EGFP-N1-HPV-16 E6 or E7 plasmid...
December 15, 2016: Oncology Research
https://www.readbyqxmd.com/read/28508167/lessons-from-a-15-year-old-boy-with-advanced-schistosomiasis-japonica-in-china-a-case-report
#10
REVIEW
Langui Song, Xiaoying Wu, An Ning, Zhongdao Wu
Schistosomiasis is a chronic, parasitic disease caused by flukes (trematodes) of the genus Schistosoma, which presents the most important global burden of the 17 neglected tropical diseases listed by the World Health Organization. China has made great achievements in schistosomiasis control, and now China is planning to move forward, to eliminate schistosomiasis within 2020, but the fact cannot be denied that the possibility of schistosome infection is still there in some endemic due to its zoonotic nature as well as wide distribution of its intermediate hosts (snails)...
May 16, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28502594/early-evidence-for-a-virus-like-agent-infecting-the-pest-snail-theba-pisana-gastropoda-pulmonata-in-southern-italy
#11
Gionata De Vico, Rosarita Tatè, Nicola Maio, Andrea Costantino, Vincenzo Guida, Grazia Villari, Francesca Carella
The Mediterranean land snail Theba pisana (Mollusca: Helicidae) is an introduced agricultural pest in many countries around the world, including Australia, Israel, USA and South Africa. In addition, this snail is an intermediate host of parasites of importance in both human and veterinary medicine. In this study, a natural population of T. pisana snails on the Domitian coast of Italy was surveyed following a mass mortality event. By light microscopy, 30% of the collected individuals showed in the calcium cells of the digestive gland the presence of hypertrophied nuclei containing eosinophilic to weakly basophilic inclusion bodies...
May 11, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28499884/inhibition-of-ubiquitin-specific-protease-34-usp34-induces-epithelial-mesenchymal-transition-and-promotes-stemness-in-mammary-epithelial-cells
#12
Eunhye Oh, Ji Young Kim, Daeil Sung, Youngkwan Cho, Nahyun Lee, Hyunsook An, Yoon-Jae Kim, Tae-Min Cho, Jae Hong Seo
Ubiquitin-specific protease 34 (USP34) is a deubiquitinating enzyme that regulates Axin stability and plays a critical role in Wnt/β-catenin signaling. We sought to investigate the role of USP34 on epithelial-mesenchymal (EMT) induction and its effects on mammary epithelial stem cells. USP34 expression levels were relatively lower in MDA-MB-231 and 4T1 mesenchymal-like cells when compared to epithelial-like cells. Inhibition of USP34 in NMuMG cells induced EMT, as evidenced by the upregulation of EMT markers including N-cadherin, phospho-Smad3, Snail and active-β-catenin, as well as the downregulation of Axin 1 and E-cadherin...
May 10, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28498415/downregulated-connexin32-promotes-emt-through-the-wnt-%C3%AE-catenin-pathway-by-targeting-snail-expression-in-hepatocellular-carcinoma
#13
Yan Yang, Na Zhang, Jian Zhu, Xiao-Ting Hong, Hao Liu, Yu-Rong Ou, Fang Su, Rui Wang, Yu-Mei Li, Qiong Wu
Hepatocellular carcinoma (HCC) is one of the common malignances in the world and is associated with high mortality and poor prognosis, partly due to early invasion and metastasis. Cx32 has been indicated to be involved in the progression of many cancers including HCC, but its relationship with tumor invasion and metastasis is still controversial. In the present study, the downregulated Cx32 in HCC tissue was found negatively correlated with histological grade and lymph node metastasis. Cx32 regulated HCC migration and invasion in vitro and inhibited tumor metastasis in xenograft models in vivo...
May 8, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28497479/proximate-composition-amino-acid-and-fatty-acid-profiles-of-marine-snail-rapana-venosa-meat-visceral-mass-and-operculum
#14
Fenglei Luo, Ronge Xing, Xueqin Wang, Quancai Peng, Pengcheng Li
BACKGROUND: Rapana venosa (Rv), an important marine snail, presents increasing nutritional, and economic importance. However, there still has been limited information on their nutritional composition. This study highlighted and provided new information on the proximate composition, amino acids and fatty acids profiles of Rv different body parts in order to its better application and research. RESULTS: The operculum contained high amount of protein and flavor amino acids...
May 12, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28497421/decreased-mir-128-and-increased-mir-21-synergistically-cause-podocyte-injury-in-sepsis
#15
Shanshan Wang, Jun Wang, Zengdi Zhang, Hongjun Miao
OBJECTIVE: Glomerular podocytes are injured in sepsis. We studied, in a sepsis patient, whether microRNAs (miRNAs) play a role in the podocyte injury. METHODS: Podocytes were cultured and treated with lipopolysaccharide (LPS). Filtration barrier function of podocyte was analyzed with albumin influx assay. Nephrin level was analyzed with reverse transcription polymerase chain reaction (RT-PCR) and western blot. MiRNAs were detected using miRNAs PCR Array and in situ hybridization...
May 11, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28497329/effect-of-cadmium-on-cytosine-hydroxymethylation-in-gastropod-hepatopancreas
#16
Dragos Nica, Cristina Popescu, George Draghici, Ionela Privistirescu, Maria Suciu, Reinhard Stöger
5-Hydroxymethylcytosine (5hmC) is an important, yet poorly understood epigenetic DNA modification, especially in invertebrates. Aberrant genome-wide 5hmC levels have been associated with cadmium (Cd) exposure in humans, but such information is lacking for invertebrate bioindicators. Here, we aimed to determine whether this epigenetic mark is present in DNA of the hepatopancreas of the land snail Cantareus aspersus and is responsive to Cd exposure. Adult snails were reared under laboratory conditions and exposed to graded amounts of dietary cadmium for 14 days...
May 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28495384/medicinal-chemistry-of-antischistosomal-drugs-praziquantel-and-oxamniquine
#17
REVIEW
Vinícius Barros Ribeiro da Silva, Bruna Rafaella Koresch Leiva Campos, Jamerson Ferreira de Oliveira, Jean-Luc Decout, Maria do Carmo Alves de Lima
Neglected tropical diseases (NTDs) are a group of diseases that, besides prevailing in poverty conditions, contribute to the maintenance of social inequality, being a strong barrier to a country development. Schistosomiasis, a NTD, is a tropical and subtropical disease caused by the trematode Schistosoma mansoni (Africa, Middle East, Caribbean, Brazil, Venezuela, Suriname), japonicum (China, Indonesia, the Philippines), mekongi (several districts of Cambodia and the Lao People's Democratic Republic), intercalatum and guianensis (areas of tropical rainforests in Central Africa) and hematobium (Middle East Africa, Corsica, France) whose adult forms inhabit the mesenteric vessels of the host, while the intermediate forms are found in the aquatic gastropod snails of the genus Biomphalaria...
April 27, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28493830/ing5-knockdown-enhances-migration-and-invasion-of-lung-cancer-cells-by-inducing-emt-via-egfr-pi3k-akt-and-il-6-stat3-signaling-pathways
#18
Xin-Li Liu, Xu-Tao Zhang, Jin Meng, Hong-Fei Zhang, Yong Zhao, Chen Li, Yang Sun, Qi-Bing Mei, Feng Zhang, Tao Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family, whose functions have been involved in the regulation of chromatin remodeling, cell cycle progression, proliferation and apoptosis. Our previous study has shown that ING5 overexpression inhibits lung cancer aggressiveness via suppressing epithelial to mesenchymal transition (EMT). However, the mechanisms remain largely unknown. In the current study, by Phospho-Kinase array and western blot, we have defined significantly upregulated EGFR/PI3K/Akt and IL-6/STAT3 oncogenic signaling pathways in ING5 knockdown A549 cells, which could be downregulated by ING5 overexpression...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28487991/blood-glycemia-modulating-effects-of-melanian-snail-protein-hydrolysates-in-mice-with-type%C3%A2-ii-diabetes
#19
Jae-Suk Choi, Joo-Wan Kim, Jeong Been Park, Sang Eun Pyo, Yong-Ki Hong, Sae Kwang Ku, Mi-Ryung Kim
Freshwater animal proteins have long been used as nutrient supplements. In this study, melanian snail (Semisulcospira libertina) protein hydrolysates (MPh) were found to exert anti-diabetic and protective effects against liver and kidney damage in mice with type II diabetes adapted to a 45% kcal high-fat diet (HFD). The hypoglycemic, hepatoprotective and nephroprotective effects of MPh were analyzed after 12 weeks of the continuous oral administration of MPh at 125, 250 and 500 mg/kg. Diabetic control mice exhibited an increase in body weight, and blood glucose and insulin levels, with a decrease in serum high-density lipoprotein (HDL) levels...
June 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28487179/establishment-of-first-engineering-specifications-for-environmental-modification-to-eliminate-schistosomiasis-epidemic-foci-in-urban-areas
#20
Shibo Kong, Xiaodong Tan, Zhiqing Deng, Yaofei Xie, Fen Yang, Zengwang Zheng
Snail control is a key link in schistosomiasis control, but no unified methods for eliminating snails have been produced to date. This study was conducted to explore an engineering method for eliminating Oncomelania hupensis applicable to urban areas. The engineering specifications were established using the Delphi method. An engineering project based on these specifications was conducted in Hankou marshland to eliminate snails, including the transformation of the beach surface and ditches. Molluscicide was used as a supplement...
May 6, 2017: Acta Tropica
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